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King Fahd University Of Petroleum And Minerals patents


Recent patent applications related to King Fahd University Of Petroleum And Minerals. King Fahd University Of Petroleum And Minerals is listed as an Agent/Assignee. Note: King Fahd University Of Petroleum And Minerals may have other listings under different names/spellings. We're not affiliated with King Fahd University Of Petroleum And Minerals, we're just tracking patents.

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Wireless sensor network having autonomous and inter-connected sensor nodes

A system and method of determining a data collection routing protocol include the steps of perceiving a broadcast beacon message from an i-th sensor node located at an i-th sensor level by one or mow sensor nodes at one or more other sensor levels of a divided wsn, wherein the i-th sensor level does not include a first sensor level of a sink sensor node; resetting the respective sensor level of the one or more sensor nodes to an (i+1)th sensor level; attempting to connect the i-th sensor node at the i-th sensor level to another sensor node located at an (i−1)th sensor level; and connecting the i-th sensor node to a parent sensor node at the 1-th sensor level when certain conditions are met. These conditions are determined and analyzed locally at each sensor node.. ... King Fahd University Of Petroleum And Minerals

Photovoltaic device with transparent glass substrate and dye sensitized solar cell

An oxadiazole dye for use as an organic photosensitizer. The oxadiazole dye comprising donor-π-spacer-acceptor type portions in which at least one of an oxadiazole isomer acts as a π-conjugated bridge (spacer), a biphenyl unit acts as an electron-donating unit, a carboxyl group act as an electron acceptor group, and a cyano group acts as an anchor group. ... King Fahd University Of Petroleum And Minerals

Photovoltaic device having an electrically conductive transparent substrate and light absorbing compound

An oxadiazole dye for use as an organic photosensitizer. The oxadiazole dye comprising donor-π-spacer-acceptor type portions in which at least one of an oxadiazole isomer acts as a π-conjugated bridge (spacer), a biphenyl unit acts as an electron-donating unit, a carboxyl group act as an electron acceptor group, and a cyano group acts as an anchor group. ... King Fahd University Of Petroleum And Minerals

Power transformer copper sulfide monitoring system

An apparatus for measuring the rate of cu2s formation in power transformers comprising a sealable transformer vessel and a sealable lid with at least four sealable ports, and an internal apparatus configuration involving a copper metal sheet, a power transformer, a temperature sensor, and a weighing device providing real-time feedback data, whereby these components are submerged in an effective amount of a reactive sulfur-containing transformer oil and sealed. An inert gas atmosphere is provided within the transformer vessel by a gas bubbler. ... King Fahd University Of Petroleum And Minerals

Method for forming a reduced thiophene/dibenzothiophene diesel fuel

The present disclosure provides a method for removing sulfur compounds from a fuel containing sulfur compounds. The method includes contacting the fuel with an adsorbent that comprises a carbonaceous material doped with nanoparticles of aluminum oxide to reduce the concentrations of the sulfur compounds. ... King Fahd University Of Petroleum And Minerals

Double-hashing operation mode for encryption

A method and computer-readable storage medium for a computer system to perform an encryption scheme is disclosed that is capable of encrypting big data that includes complex data, including image data, sensor data, and text data, and supporting both symmetric and asymmetric-key handling. The encryption scheme uses double hashing using two different consecutively-applied hash functions. ... King Fahd University Of Petroleum And Minerals

Method for detecting methimazole by surface-enhanced raman scattering

A method for analyzing or detecting methimazole (“mtz”) comprising contacting a sample suspected of containing mtz with the dendrimer-stabilized silver nanoparticles and performing surface-enhanced raman scattering (sers). Graphene-dendrimer-stabilized silver nanoparticles (g-d-ag).. ... King Fahd University Of Petroleum And Minerals

Subgrade irrigation for site preparation having clayey expansive soil

A method of reducing the swell potential of an expansive clayey soil comprising expansive clay mineral(s) at a proportion of the total weight of the expansive clayey soil (pecm). The method includes (a) calculating a first amount of a swelling reduction agent to be incorporated into the expansive clayey soil to form a first swelling reduction agent incorporated expansive clayey soil with a reduced swell potential no greater than a pre-set level t with a nano-level constitutive modeling based on the water content and the cec of the expansive clayey soil and pecm. ... King Fahd University Of Petroleum And Minerals

Method for making a friction stir welding tool

A friction stir welding tool comprising a composite of a tungsten-rhenium alloy and hafnium carbide particles, wherein a crystallite size of the tungsten-rhenium alloy is no more than 100 nm, wherein the hafnium carbide particles are dispersed within the tungsten-rhenium alloy, a method of fabricating the friction stir welding tool, and a method of friction stir welding a metal joint using the tool. Various embodiments of the friction stir welding tool, the method of fabricating the tool, and the method of friction stir welding using the tool are provided.. ... King Fahd University Of Petroleum And Minerals

Energy efficiency measurement system for four-wall structures

A system to determine thermal properties of wall assemblies under dynamic weather conditions is presented. The system comprises a house-like structure with a suite of measurement devices to measure temperatures, heat fluxes, and weather conditions. ... King Fahd University Of Petroleum And Minerals

Method for inducing cytotoxicity in cancer cells

A method for treating a proliferative disease, disorder, or condition comprising administering a gold(iii) complex such as [au(npen)cl2]cl.2h2o (1) or [au(npen)2]cl3 (2); the complexes, and methods for making them.. . ... King Fahd University Of Petroleum And Minerals

Masonry blocks

Crumb rubber augmented masonry blocks including cement, aggregate, water, and crumb rubber. Crumb rubber is extracted from scrape tires after being processed and then mixed in specified percentages with aggregate, cement and water. ... King Fahd University Of Petroleum And Minerals

Multi-port, multi-band, single connected multiple-input, multiple-output antenna

A compact mimo antenna system having connected arrays supporting multi-bands with multiple configurations. Two low band microwave mimo antenna arrays operate at frequency bands below 6 ghz, and two high band microwave mimo antenna arrays operate at frequencies above 10 ghz. ... King Fahd University Of Petroleum And Minerals

Method for making ferrocene-embedded multi-wall carbon nanotubes

A method for preparing multi-wall carbon nanotubes comprising atomizing a precursor solution comprising an aromatic hydrocarbon and a carrier gas. The mixture is then injected through an ultrasonic atomization system to form atomized precursor droplets. ... King Fahd University Of Petroleum And Minerals

08/09/18 / #20180222798

Lightweight concrete

A lightweight structural concrete formulation comprises a wet mix of about 460 kg/m3 of cementitious material such as ordinary portland cement of which about 50 percent has been replaced by ground granulated basic furnace slag (ggbfs) and 7 percent by silica fume (sf) in other words the mix introduces between about 178 and 228 kg/m3 therefore the combination is good to produce secondary reaction products when the cement hydrates which produces secondary calcium silicate hydrate (c-s-h) which makes the structure dense and thereby increases its mechanical durability characteristics of the concrete product. Possible ratios of ggbfs and sf are 30-70 percent and 5-10 percent, respectively. ... King Fahd University Of Petroleum And Minerals

08/02/18 / #20180217152

Ferric ion detection method

Gold nanoparticles functionalized with thiolated, bidentate schiff base ligands. The schiff base ligands form a ligand monolayer surrounding and binding to the surface of a gold nanoparticle core through au—s linkages. ... King Fahd University Of Petroleum And Minerals

07/26/18 / #20180209751

Online heat exchanger cleaning system with connected cleaning elements

An online cleaning system for tube and shell heat exchangers is presented. The system includes a positioner, a plunger, an umbilical cleaner, and a motor. ... King Fahd University Of Petroleum And Minerals

07/26/18 / #20180209112

Method for modifying clay soils with gypsum

A method of reducing the swell potential of an expansive clay mineral. The method includes (a) carrying out a forcefield-modified molecular level simulation to determine an amount of a swelling reduction agent to be incorporated into the expansive clay mineral to form a swelling reduction agent incorporated expansive clay mineral with a reduced swell potential si(ecm) that is no greater than a pre-set level t, wherein the swelling reduction agent comprises at least one cementation material of calcite, gypsum, and potassium chloride and/or at least one exchangeable cation of k+, ca2+, and mg2+, and wherein the forcefield-modified molecular level simulation comprises molecular mechanics, molecular dynamics, and monte carlo simulation techniques configured to simulate the reduced swell potential si(ecm), and (b) incorporating the amount of the swelling reduction agent into the expansive clay mineral to form the swelling reduction agent incorporated expansive clay mineral.. ... King Fahd University Of Petroleum And Minerals

07/26/18 / #20180208546

Method for making a prenyl group-substituted tyrosine compound

A method for producing a compound of formula (i) or a pharmaceutically acceptable salt, solvate, tautomer or stereoisomer, such as compound 1 and compound 2 is disclosed. The method proceeds through an o-allylated tyrosine-based compound, such as compound 3 and preferably comprises [3,3] sigmatropic claisen rearrangement and olefin cross metathesis reactions. ... King Fahd University Of Petroleum And Minerals

07/19/18 / #20180204685

Dye sensitized photoelectric conversion device

An oxadiazole dye for use as an organic photosensitizer. The oxadiazole dye comprising donor-π-spacer-acceptor type molecules in which at least one of an oxadiazole group acts as a π-conjugated bridge (spacer), a naphthyl unit acts as an electron-donating unit, a carboxyl group act as an electron acceptor group, and a cyano group acts as an anchor group. ... King Fahd University Of Petroleum And Minerals

07/19/18 / #20180200706

Palladium(ii)-silica supported catalyst

A solid-supported palladium(ii) complex which catalyzes the mizoroki-heck coupling reaction efficiently and a method of employing the solid-supported palladium(ii) complex to synthesize cinnamic acid and derivatives thereof. The solid-supported palladium(ii) complex is also stable and can be recycled without significantly losing catalytic activity.. ... King Fahd University Of Petroleum And Minerals

07/19/18 / #20180200705

Method for palladium-catalyzed cinammic acid formation

A solid-supported palladium(ii) complex which catalyzes the mizoroki-heck coupling reaction efficiently and a method of employing the solid-supported palladium(ii) complex to synthesize cinnamic acid and derivatives thereof. The solid-supported palladium(ii) complex is also stable and can be recycled without significantly losing catalytic activity.. ... King Fahd University Of Petroleum And Minerals

07/12/18 / #20180195376

Guided drill system for oil reservoir drilling

A drill guidance device, a method to control a trajectory of a drill, and a non-transitory computer readable medium that determine the corrected drill angle and send an output signal to a drill controller configured to control an angle of a drill. The corrected drill angle is determined by at least one of a slant angle data and a formation property data received from a sensor device. ... King Fahd University Of Petroleum And Minerals

07/12/18 / #20180194944

Method for making schiff base

Fluorescent schiff base compounds comprising a xanthene dye based moiety and an alkyl imidazole moiety. Methods of assessing these fluorescent schiff base compounds as fluorescent probes for metal ions in cu2+ chemosensing applications, methods of preparing the fluorescent schiff base compounds and methods of detecting cu2+ ions with the same are also provided.. ... King Fahd University Of Petroleum And Minerals

07/12/18 / #20180194687

Method for forming sintered ceramic material

A ca—sialon ceramic with enhanced mechanical properties and a method employing micron-sized and submicron precursors to form the ca—sialon ceramic. The ca—sialon ceramic comprises not more than 42 wt % silicon, relative to the total weight of the ca—sialon ceramic. ... King Fahd University Of Petroleum And Minerals

07/12/18 / #20180193826

Method of producing propylene and ethylene with a core-shell zsm catalyst

A method of producing propylene and ethylene from a butene-containing hydrocarbon stream by cracking olefin compounds in the butene-containing hydrocarbon stream in the presence of a core-shell zsm catalyst, wherein the core-shell zsm catalyst comprises a zsm-5 core and a silica shell disposed thereon. Various embodiments of the method of producing propylene and ethylene, and the method of making the core-shell zsm catalyst are also provided.. ... King Fahd University Of Petroleum And Minerals

06/28/18 / #20180183632

Wireless device communications system

A device includes circuitry configured to determine feedforward and feedback coefficients for an adaptive frequency-domain decision feedback equalizer (afd-dfe) based on previously received signals. The equalizer output is determined by applying the feedforward and feedback coefficients of the afd-dfe to a received signal, and the feedforward and feedback coefficients of the afd-dfe are updated based on the equalizer output.. ... King Fahd University Of Petroleum And Minerals

06/28/18 / #20180179345

Microwave irradiated poly(vinyl alcohol) and graphene nanocomposite

A process for making microwave-irradiated nanocomposites comprising graphene nanoplatelets dispersed in a polymer matrix, showing improved structural and electrical properties, is provided. The nanocomposites may be made using a solution casting technique, and may have a bilayer structure comprising a graphene-enriched layer in contact with a polymer-enriched layer. ... King Fahd University Of Petroleum And Minerals

06/28/18 / #20180179085

Method for removing benzene from contaminated aqueous solutions

Methods and nanocomposites for the adsorptive removal of aromatic hydrocarbons such as benzene, toluene, ethyl benzene and xylene from contaminated water sources and systems are provided. The nanocomposites contain carbon nanotubes and metal oxide nanoparticles such as al2o3, fe2o3 and zno impregnated on a surface and/or in pore spaces of the carbon nanotubes. ... King Fahd University Of Petroleum And Minerals

06/14/18 / #20180165390

Method for estimating inflow performance in a solution gas driven reservoir

Described herein is an empirical model to estimate inflow performance relationship (ipr) of fishbone wells. A reservoir simulation model is formulated and initial values for a plurality of reservoir and fishbone well parameters are assigned. ... King Fahd University Of Petroleum And Minerals

06/14/18 / #20180163110

Water-based nanofluid heat transfer medium

A nanofluid composed of a base fluid and a solid nanocomposite particle, where the solid nanocomposite particle consists of a carbon nanotube and a metal oxide nanoparticle selected from the group consisting of fe2o3, al2o3, and cuo. The metal oxide nanoparticle is affixed inside of or to the outer surface of the carbon nanotube, and the solid nanocomposite particle is homogeneously dispersed in the base fluid. ... King Fahd University Of Petroleum And Minerals

06/14/18 / #20180162750

Method for removing p-xylene from aqueous compositions

A method of removing at least one single ring aromatic hydrocarbon from a hydrocarbon contaminated fluid. The method includes contacting the hydrocarbon contaminated fluid with carbon nanotubes to adsorb the at least one single ring aromatic hydrocarbon while exposing the hydrocarbon contaminated fluid and the carbon nanotubes to uv irradiation from at least one uv light source, preferably a uv light emitting diode (led), with a wavelength of about 315-415 nm, preferably about 365 nm, to form a treated fluid having a reduced concentration of the at least one single ring aromatic hydrocarbon relative to the hydrocarbon contaminated fluid.. ... King Fahd University Of Petroleum And Minerals

06/14/18 / #20180161917

Method for hydrophobicizing a copper-tin alloy

A method of treating a metallic surface comprising a copper alloy, such as phosphor bronze, whereby the metallic surface is ablated by directing a laser beam with a diameter of 200-400 μm produced by a co2 laser with a pulse frequency of 1200-1800 hz onto the metallic surface, and a n2 assist gas is concurrently applied with a pressure of 550-650 kpa co-axially with the laser beam to form an ablated metallic surface comprising microgrooves with cu3n present on a surface of the microgrooves, wherein the ablated metallic surface has a higher surface hydrophobicity than the metallic surface prior to the ablating.. . ... King Fahd University Of Petroleum And Minerals

06/14/18 / #20180161734

Membrane reactor with a tubular permeable membrane

A semi-porous composite membrane and a method of manufacturing the semi-porous composite membrane. The semi-porous composite membrane includes a base supporting substrate comprising α-al2o3, an outer layer comprising silica, and an intermediate layer comprising crystalline fibers of boehmite, and at least one of a secondary metal oxide and a synthetic polymer, wherein the intermediate layer is disposed between the base supporting substrate and the outer layer. ... King Fahd University Of Petroleum And Minerals

06/07/18 / #20180156856

Fault diagnosis in a fluid tank sensor network

Discussed herein are a sensor-network system and a method thereof for detecting and isolating faults occurring in sub-systems and sensors included in the network. The sub-systems and the sensor measurements are subject to noise and disturbances. ... King Fahd University Of Petroleum And Minerals

06/07/18 / #20180155600

Hydro-fracking method using an aloe vera fracturing fluid

A drilling mud composition including aloe vera particles with a largest dimension of 75-600 μm, an aqueous base fluid, and a viscosifier, where the aloe vera particles are present in the drilling mud composition at a concentration of less than 150 ppm, relative to the total weight of the drilling mud composition. A process for fracking a geological formation, whereby the drilling mud composition is injected into the geological formation through a well bore at a pressure of at least 5,000 psi to fracture the geological formation.. ... King Fahd University Of Petroleum And Minerals

06/07/18 / #20180155553

Corrosion-resistant metal substrate

A corrosion resistant coating composition for a metal substrate is disclosed. The metal substrate, such as carbon steel, is coated with a first layer comprising a phosphate corrosion inhibitor, such as sodium phosphate monobasic (nah2po4) and a second layer comprising nickel nanoparticles. ... King Fahd University Of Petroleum And Minerals

06/07/18 / #20180155250

Method of making an alumina-silicate oxynitride and cubic boron nitride ceramic composite

A method for producing a composite of cubic boron nitride dispersed in a sialon ceramic. This method involves mixing silicon nitride nanoparticles, aluminum nitride nanoparticles, silica nanoparticles, calcium oxide nanoparticles, and cubic boron nitride microparticles to produce a mixture. ... King Fahd University Of Petroleum And Minerals

06/07/18 / #20180155200

Ferrocene catalyzed method for preparing carbon nanotubes

A method for preparing multi-wall carbon nanotubes comprising atomizing a precursor solution comprising an aromatic hydrocarbon and a carrier gas. The mixture is then injected through an ultrasonic atomization system to form atomized precursor droplets. ... King Fahd University Of Petroleum And Minerals

06/07/18 / #20180154338

Alumina-supported vanadium oxide dehydrogenation catalyst

Fluidizable catalysts for the gas phase oxygen-free oxidative dehydrogenation of alkanes, such as propane, to corresponding olefins, such as propylene. The catalysts comprise 5-20% by weight per total catalyst weight of one or more vanadium oxides (vox), such as v2o5. ... King Fahd University Of Petroleum And Minerals

05/31/18 / #20180152233

Method for relay selection in cognitive radio networks

Decode and forward buffer aided relay selection and transmission power allocation systems and method are provided for cognitive radio network that is equipped with multiple-input-multiple-output (mimo). A low complexity mimo-based relay selection scheme that maximizes the single-hop normalized sum rate of the primary network (pn) and secondary network (sn) is proposed including a sub-optimal antenna transmission power allocation scheme that maximizes the single-hop normalized sum rate of the pn and the sn is proposed. ... King Fahd University Of Petroleum And Minerals

05/03/18 / #20180119990

Water mixing system for thermoregulating water

A water mixing system attached to an existing plumbing system supplying ambient temperature water and providing temperature regulated water to a user. The water mixing system includes an insulated water tank, a heat pump connected to the insulated water tank with a heat rejecting radiator inside the insulated water tank and a heat absorbing radiator outside the insulated water tank, a temperature detector in the insulated water tank, and one outlet of the insulated water tank connected to a first inlet of a first dispensing water tank. ... King Fahd University Of Petroleum And Minerals

05/03/18 / #20180119296

Method for electrochemical reduction of carbon dioxide

A method of electrochemically reducing co2 to form at least one alcohol, preferably ethanol. The method includes (a) contacting an electrode system with an aqueous solution comprising at least one electrolyte and co2, wherein the electrode system comprises a working electrode, a counter electrode, and a reference electrode, wherein the working electrode comprises a base electrode and a coating of a composite comprising graphene nanosheets and cu2o nanoparticles disposed on a surface of the base electrode, and (b) applying a negative potential to the working electrode to reduce the co2 and form the at least one alcohol.. ... King Fahd University Of Petroleum And Minerals

04/12/18 / #20180100107

Hydrodesulfurization catalyst and a method of producing thereof

A single-pot method of producing a hydrodesulfurization catalyst by hydrothermally treating a hydrothermal precursor that includes a silica source, a structural directing surfactant, an aqueous acid solution, and metal precursors that contain active catalyst materials is provided. The hydrodesulfurization catalyst includes a catalyst support having sba-15 and preferably titanium, wherein the active catalyst materials are homogenously deposited on the catalyst support. ... King Fahd University Of Petroleum And Minerals

04/12/18 / #20180099987

Functionalized magnetic nanoparticle, a catalyst, a method for forming c-c bonds

A functionalized magnetic nanoparticle including an organometallic sandwich compound and a magnetic metal oxide. The functionalized magnetic nanoparticle may be reacted with a metal precursor to form a catalyst for various c—c bond forming reactions. ... King Fahd University Of Petroleum And Minerals

04/05/18 / #20180094999

Systems and methods of energy aware gas leak detection

An energy aware gas detection system can include relay nodes and gas sensor nodes operating based on an adaptive sleep cycle, each of the gas sensor nodes can include gas sensors configured to detect methane, carbon monoxide, and hydrogen sulfide. Additionally, the system can also include actuator nodes to operate gas valves and a gateway node to be a bridge between the relay nodes and a remote device communicably coupled to a network.. ... King Fahd University Of Petroleum And Minerals

03/29/18 / #20180091989

Energy efficient data collection routing protocol for wireless rechargeable sensor networks

. . A system and method of determining a data collection routing protocol include the steps of perceiving a broadcast beacon message from an i-th sensor node located at an i-th sensor level by one or more sensor nodes at one or more other sensor levels of a divided wsn, wherein the i-th sensor level does not include a first sensor level of a sink sensor node; resetting the respective sensor level of the one or more sensor nodes to an (i+1)th sensor level; attempting to connect the i-th sensor node at the i-th sensor level to another sensor node located at an (i−1)th sensor level; and connecting the i-th sensor node to a parent sensor node at the i-th sensor level when certain conditions are met. These conditions are determined and analyzed locally at each sensor node.. ... King Fahd University Of Petroleum And Minerals

03/22/18 / #20180083903

Spam filtering in multimodal mobile communication

A method for filtering multimodal messages includes receiving an electronic message; enriching the electronic message; extracting one or more features from the electronic message; generating, one or more dendritic cell signals based on the one or more features extracted from the electronic message; subjecting the one or more dendritic cell signals and the electronic message to a dendritic cell algorithm including one or more dendritic cells; determining a maturity of the one or more dendritic cells; and classifying the electronic message as spam based upon the maturity of the one or more dendritic cells.. . ... King Fahd University Of Petroleum And Minerals

03/22/18 / #20180082113

Apparatus and method for gait recognition

Described herein is an apparatus and method for gait recognition. The apparatus includes circuitry that is configured to receive a gait sequence including a predetermined number of image frames of a subject. ... King Fahd University Of Petroleum And Minerals

03/22/18 / #20180081944

Method and system for querying an xml database

A method is provided for selecting a query execution plan, including: receiving an xml document including a plurality of root nodes and a plurality of leaf nodes; determining root-to-leaf paths based on the plurality of root nodes and the plurality of leaf nodes; generating a prime number for each unique root-to-leaf path; calculating a number of instances in which each prime number appears; generating an xml synopsis based on the prime numbers and the number of instances; determining a comparison between a query tree pattern and the xml synopsis; determining a type of the query tree pattern; calculating for each query tree pattern plan, a selectivity estimate based on the comparison and the type of the query tree pattern; determining an optimal query execution plan based on the selectivity estimate; and selecting the optimal query execution plan for performing a query of the xml document based on the determination.. . ... King Fahd University Of Petroleum And Minerals

03/22/18 / #20180078929

Process for producing xylene using a metal-doped zeolite catalyst

A method of preparing a metal-doped zeolite catalyst with a modified topology (e.g. A pillared zeolite or a delaminated zeolite), and a method of using thereof in a process for converting an alkyl-aromatic hydrocarbon stream to btx (benzene/toluene/xylene), wherein an enhanced pore topology in the metal-doped zeolite catalyst determines a selectivity to transalkylation of trimethylbenzene to xylene, which in turn leads to a higher xylene yield. ... King Fahd University Of Petroleum And Minerals

03/08/18 / #20180067378

Systems and methods for an optical logic device

In one example, an optical logic device includes a distributed feedback laser configured to generate a first signal corresponding to distributed feedback laser output signal, the first signal being at a first wavelength. The device further includes a bandpass filter having a center frequency corresponding to the first wavelength. ... King Fahd University Of Petroleum And Minerals

03/08/18 / #20180065117

Solid-supported palladium(ii) complex for catalyzing mizoroki-heck coupling reactions and a method thereof

A solid-supported palladium(ii) complex which catalyzes the mizoroki-heck coupling reaction efficiently and a method of employing the solid-supported palladium(ii) complex to synthesize cinnamic acid and derivatives thereof. The solid-supported palladium(ii) complex is also stable and can be recycled without significantly losing catalytic activity.. ... King Fahd University Of Petroleum And Minerals

03/01/18 / #20180059685

Gps-free robots

A two-hop cooperative virtual force robot deployment (two-hop cover) technique is described. An improved virtual force vf approach considers the mission requirements such as the number of required robots in each locality. ... King Fahd University Of Petroleum And Minerals

02/22/18 / #20180054301

Method and device for data encryption

Aspects of the disclosure provide a method for encrypting data. The method includes generating a sequence of states of a pseudo-random number generator (prng), generating a key stream including a sequence of key sections based on the sequence of states, and encrypting or decrypting data with the key stream. ... King Fahd University Of Petroleum And Minerals

02/22/18 / #20180052134

Graphite electrode comprising electrochemically reduced graphene oxide and methods thereof

A modified graphite electrode comprising a coating of electrochemically reduced graphene oxide. The modified graphite electrode may be employed in detecting of uric acid. ... King Fahd University Of Petroleum And Minerals

02/15/18 / #20180044262

Fluidizable vanadium catalyst for oxidative cracking of hydrocarbons to olefins in a gas phase oxygen free environment

Fluidizable catalysts for the gas phase oxygen-free oxidative cracking of alkanes, such as hexane, to one or more olefins, such as ethylene, propylene, and/or butylene. The catalysts comprise 1-15% by weight per total catalyst weight of one or more vanadium oxides (vox), such as v2o5. ... King Fahd University Of Petroleum And Minerals

02/08/18 / #20180038277

Closed-loop gas turbine generator

The closed-loop gas turbine generator is a combustion-based gas reactor for producing usable power to drive external loads. A combustion chamber produces combustion products for driving a first gas turbine, which may be connected to an external load. ... King Fahd University Of Petroleum And Minerals

02/08/18 / #20180036690

Method for preparing a polygraphene membrane

A method for preparing a polygraphene membrane includes adding graphite and sodium nitrate into sulfuric acid to form a first mixture; adding potassium permanganate solution into the first mixture to form a second mixture; adding hydrogen peroxide solution to the second mixture to form a mixture including soluble manganese ions; filtering the mixture including soluble manganese ions to form an aqueous suspension; centrifuging the aqueous suspension; performing ultrasonication of the suspension to obtain graphene oxide sheets; acylating the graphene oxide sheets to prepare an acylated graphene oxide sheet; and polymerizing the acylated graphene oxide sheets to prepare polygraphene.. . ... King Fahd University Of Petroleum And Minerals

02/01/18 / #20180031286

Closed loop solar refrigeration system

A solar-thermal refrigerant compression system employing refrigerants, such as r410a and r500, and a method of employing the system in refrigeration and air-conditioning units. The system includes a refrigerant storage tank, an evaporator, a mixing chamber, a condenser and an isochoric thermal compressor comprising a condensate heat exchanger and a heating coil connected to a solar collector field.. ... King Fahd University Of Petroleum And Minerals

01/25/18 / #20180026146

Thin film plasmonic solar cell

A plasmonic scattering nanomaterial comprising a substrate layer, a metal oxide layer in continuous contact with the substrate layer and silver nanoparticles with a diameter of 25-300 nm deposited on the metal oxide layer is disclosed. The silver nanoparticles have a broad size distribution and interparticle distances such that the silver nanoparticles plasmonically scatter light throughout the metal oxide layer with a near electric field strength of 1-30 v/m when excited by a light source having a wavelength in the range of 300-500 nm and/or 1000-1200 nm. ... King Fahd University Of Petroleum And Minerals

01/25/18 / #20180025101

Systems and method for optimizing state encoding

A method and system for optimizing state assignments for a finite state machine. The method generates a random initial state assignment for each of a plurality of states of the finite state machine, determines an initial cost associated with the random initial state assignments, identifies a code swap to explore as a function of a code swap probability. ... King Fahd University Of Petroleum And Minerals

01/25/18 / #20180022840

Quaternary ammonium solvated tetrapolymers and methods of removing cr(iii) from solution using the tetrapolymer

Cross-linked tetrapolymers made up of different diallyl zwitterionic diallyl quaternary ammonium salt monomers, with one of them functioning as a cross-linking monomer. The cross-linked terpolymers include a repeating unit with multiple ligand centers that different metal ions can bind to. ... King Fahd University Of Petroleum And Minerals

01/18/18 / #20180018561

Apparatuses, systems, and methodologies for permeability prediction

Systems, methods, and apparatuses are provided for permeability prediction. The method acquires data associated with one or more geological formations, calculates, using processing circuitry and a trained hidden markov model, log-likelihood values to group the data into a plurality of clusters, and trains an artificial neural network for each of the plurality of clusters when the mode of operation is training mode. ... King Fahd University Of Petroleum And Minerals

01/18/18 / #20180017566

Gluthatione / gold(iii) pharmaceutical composition

A method for treating cancer and gold(iii) complexes with diaminocyclohexane ligand as anticancer agents. Also described are a pharmaceutical composition incorporating the gold(iii) complexes and a method of synthesizing the gold(iii) complexes.. ... King Fahd University Of Petroleum And Minerals

01/11/18 / #20180010055

Method for removing thiophene from diesel fuel with a graphene oxide adsorbent

The present disclosure provides a method for removing sulfur compounds from a fuel containing sulfur compounds. The method includes contacting the fuel with an adsorbent that comprises a carbonaceous material doped with nanoparticles of aluminum oxide to reduce the concentrations of the sulfur compounds. ... King Fahd University Of Petroleum And Minerals

01/11/18 / #20180009973

Carbon rich polypropylene-ashpaltene composites

A composite comprising polypropylene and a filler, which comprises asphaltenes extracted from arabian heavy crude oil. The composite comprises 90-98 wt % of the polypropylene polymer and 2 wt % to less than 10 wt % of the filler, where the weight percentages are based on a total weight of the composite. ... King Fahd University Of Petroleum And Minerals

01/11/18 / #20180009679

Adsorbent comprising bisphenol, formaldehyde and hexadiamine terpolymer with adsorbed pb

A cross-linked terpolymer (bsdf) obtained by polycondensation of bisphenol-s, formaldehyde and 1,6-diammohexane. The terpolymer is highly efficient in eliminating lead ions from aqueous solutions. ... King Fahd University Of Petroleum And Minerals

01/04/18 / #20180005765

Photovoltaic device containing a dye-sensitized solar cell

An oxadiazole dye for use as an organic photosensitizer. The oxadiazole dye comprising donor-π-spacer-acceptor type portions in which at least one of an oxadiazole isomer acts as a π-conjugated bridge (spacer), a biphenyl unit acts as an electron-donating unit, a carboxyl group act as an electron acceptor group, and a cyano group acts as an anchor group. ... King Fahd University Of Petroleum And Minerals

01/04/18 / #20180005519

Method for electrical energy meter correction in customer-distribution grid

A device, method, and computer-readable medium for correcting at least one error in readings of electricity meters, the method including receiving first readings of regular meters measuring electric energy delivered in each of a group of cables fed from a same distribution node in an electric grid during a period of time, receiving second readings of check meters measuring electric energy delivered in each of combinations of cables in the group of cables during the period of time, the combinations of cables being formed based on a redundant matrix in a generator matrix of a linear systematic block code, and correcting, in response to determining that at least one error been detected, the at least one error in the first readings of the regular meters and the second readings of the check meters.. . ... King Fahd University Of Petroleum And Minerals

01/04/18 / #20180003415

Absorption cooling system with falling film and/or agitated thin film evaporator

A solar powered absorption cooling system employing refrigerant-absorbent solutions such as water and lithium bromide and hybrid storage capabilities, and a method of employing the system in refrigeration and air conditioning units. The system includes a first temperature control valve and second temperature control valve that together regulate the flow of solar heating fluid into the generator and substantially reduce absorbent crystal formation.. ... King Fahd University Of Petroleum And Minerals

01/04/18 / #20180002202

Hydromagnetic desalination cell with rare earth magnets

A hydromagnetic desalination cell including at least one hollow rectangular flow conduit, a first rectangular magnet and a second rectangular magnet each having a north pole face and a south pole face opposite of each other, wherein the first and second rectangular magnets are disposed along a longitudinal axis and on opposite sides of the rectangular flow conduit, a first opening and a second opening on opposite walls of the rectangular flow conduit extending between the first and second rectangular magnets, and a first and second chamber fluidly connected to the first and second openings. A hydromagnetic desalination system and methods of desalinating brine water with the hydromagnetic desalination system are also disclosed.. ... King Fahd University Of Petroleum And Minerals

12/28/17 / #20170370753

Outer wall-heated two-phase flow detector

. . A temperature sensing device comprising a plurality of thermocouples in a hollow tube, where the thermocouples sensing tips contact the outer wall of the tube, and a heat flux source that heats the hollow tube. The hollow tube is inserted through a cross section of a pipe perpendicular to the longitudinal axis of the pipe. ... King Fahd University Of Petroleum And Minerals

12/28/17 / #20170369687

Low density polyethylene (ldpe) - asphaltene composition and method of preparation

A low density polyethylene-asphaltene composition and a method of preparation of the low density polyethylene-asphaltene composition, the composition comprising an asphaltene, wherein the asphaltene is extracted from at least one of a heavy atmospheric residue, oil sands, bitumen, and biodegraded oils, and a weight percent of the asphaltene is 0.1%-25% relative to a total weight of the composition; and a low density polyethylene polymer with a density of 0.9 g/cm3-0.95 g/cm3. The asphaltene and the low density polyethylene polymer are uniformly dispersed throughout the low density polyethylene-asphaltene composition, the low density polyethylene-asphaltene composition has a weight loss onset 4° c.-20° c. ... King Fahd University Of Petroleum And Minerals

12/28/17 / #20170369375

Cementitious blend and concrete mix compositions resistant to high temperatures and alkaline conditions

A cementitious blend composition and a concrete mix composition preferable for making concrete resistant to high temperatures and alkaline conditions, particularly for making durable concrete for constructing an alumina digester tank in an aluminum smelter. The cementitious blend composition includes at least one hydraulic cement, silica fume (sf), and natural pozzolan (np), wherein a weight percent ratio of at least one hydraulic cement: sf:np in the cementitious blend composition lies in the range of (24-63): (5-44): (32-40) with the sum of the weight percentages of the at least one hydraulic cement, the sf, and the np not exceeding 100%. ... King Fahd University Of Petroleum And Minerals

12/21/17 / #20170364081

Seismic sensor deployment with a stereographically configured robot

Described herein a robot assisted method of deploying sensors in a geographic region. The method of deploying sensors is posed as a markovian decision process. ... King Fahd University Of Petroleum And Minerals

12/21/17 / #20170362492

Method for removing iron sulfide scale from oil well equipment

A method of removing an iron sulfide scale from a surface in fluid communication with a wellbore and/or subterranean formation comprising contacting the iron sulfide scale on the surface with a composition to dissolve the iron sulfide scale in the composition. The composition comprises (a) at least one chelating agent selected from the group consisting of dtpa, edta hedta, glda, cdta, and mgda, and salts thereof, and (b) at least one converting agent selected from the group consisting of potassium carbonate (k2co3), potassium formate (hcook), potassium hydroxide (koh), potassium chloride (kcl), cesium formate (hcoocs), and cesium chloride (cscl). ... King Fahd University Of Petroleum And Minerals

12/14/17 / #20170356647

System for combusting a methane stream and a method of combustion

A system for combusting a methane stream in an itm combustion reactor and a method of combusting the methane stream, wherein an optimized volumetric flow rate of the methane stream provides an off-stoichiometric molar ratio of methane to oxygen, which is provided by an itm in the itm combustion reactor, and the method further offers a relatively constant oxygen flux via the itm as well as a prolonged membrane stability. Various embodiments of the system and the method are also provided.. ... King Fahd University Of Petroleum And Minerals

12/14/17 / #20170355020

Reinforced magnesium composite and a method of producing thereof

A reinforced magnesium composite, and a method of producing thereof, wherein the reinforced magnesium composite comprises elemental magnesium particles, elemental nickel particles, and one or more ceramic particles with elemental nickel particles being dispersed within elemental magnesium particles without having intermetallic compounds therebetween. Various embodiments of the method of producing the reinforced magnesium composite are also provided.. ... King Fahd University Of Petroleum And Minerals

12/14/17 / #20170354955

Fluidizable vanadium catalyst for oxidative dehydrogenation of alkanes to olefins in a gas phase oxygen free environment

Fluidizable catalysts for the gas phase oxygen-free oxidative dehydrogenation of alkanes, such as propane, to corresponding olefins, such as propylene. The catalysts comprise 5-20% by weight per total catalyst weight of one or more vanadium oxides (vox), such as v2o5. ... King Fahd University Of Petroleum And Minerals

12/14/17 / #20170354948

Metal adsorbent and a method of making thereof

A metal adsorbent that includes silver-decorated graphene nano-platelets and a polymer matrix that comprises polyamide, wherein the metal adsorbent is a highly porous material with a specific surface area of 200 to 300 m2/g and an average pore size of 50 to 100 Å, which effective removes heavy metals and cations from a liquid. Various embodiments of the metal adsorbent and a method of making thereof are also provided.. ... King Fahd University Of Petroleum And Minerals

12/07/17 / #20170350819

Apparatus for detecting an analyte with surface enhanced raman scattering

A surface enhanced raman scattering (sers) active nanoassembly comprising anisotropically assembled gold nanoparticles in a monolayer double row immobilized on a glass layer is disclosed. The discrete gold nanoparticles are separated by interparticle gaps of 0.5-10 nm that provide hotsites where appropriate excitation creates surface plasmon resonaces and regions of strong and localized electromagnetic fields that enhance raman signal substantially, 104-1015 fold. ... King Fahd University Of Petroleum And Minerals

12/07/17 / #20170350732

System with branched optical fibers

The system with branched optical fibers provides diagnostics and measurement of static and/or dynamic parameters in structures and structural elements. The system includes a structural material or element having a branched optical fiber embedded therein. ... King Fahd University Of Petroleum And Minerals

12/07/17 / #20170348633

Gas separation device with nanocomposite membrane

A nanocomposite membrane including an α-al2o3 membrane support, a γ-al2o3 intermediate layer that is 300-1200 nm thick and coats a surface of the membrane support, and a nanocomposite layer including sio2 and y2o3 that is 25-150 nm thick and coats a surface of the intermediate layer, wherein the nanocomposite layer is porous with an average largest radius micropore of 0.2-0.6 nm. A method of manufacturing the nanocomposite membrane, whereby the membrane support is coated with the γ-al2o3, a silica source is hydrolyzed with a mixture of water, an alcohol solvent, and a y source with a sol-gel technique to yield a si/y sol-gel, the membrane support is dip coated with the si/y sol-gel, and the nanocomposite membrane is calcined. ... King Fahd University Of Petroleum And Minerals

11/30/17 / #20170344008

Method for deploying a mobile robot using radio frequency communications

A method and cooperative system for deploying a mobile robot of a plurality of mobile robots with a plurality of fixed sensors. The method includes broadcasting a position-request message including a request for a position and a demand for mobile robots, receiving the position-request message, and transmitting a position-demand message. ... King Fahd University Of Petroleum And Minerals

11/30/17 / #20170341955

Cross-linked polymeric resin and methods for wastewater treatment

Cross-linked polymeric resins from anilines linked together with dithiocarbamate alkyl chains. A process for producing the cross-linked polymeric resins by mannich-type polycondensation of anilines and diaminoalkanes linked together by an aldehyde and subsequent conversion of one or more amine functionalities to dithiocarbamate moieties. ... King Fahd University Of Petroleum And Minerals

11/23/17 / #20170335483

Nickel-based electrochemical cell cathode with an alumina-coated co-deposit

An al2o3-coated co-deposit including an ni-based alloy substrate, an exterior layer present on a surface of the substrate, wherein the exterior layer comprises nicraly or nicocraly particles with a diameter of 0.5-50 μm, ni nanoparticles with a diameter of 0.1-10 nm in the form of a matrix, and al2o3 particles that are present on the exterior surface of the exterior layer. A method for manufacturing the al2o3-coated co-deposit whereby a substrate is immersed into a solution comprising at least one dissolved nickel salt, nicraly or nicocraly particles, and al particles in an electrochemical cell, dc current is pulsed into the electrochemical cell to electrodeposit al, ni, and nicraly or nicocraly particles onto the substrate to form a deposited layer, and the substrate comprising the deposited layer is calcined to oxidize the al particles and form the al2o3-coated co-deposit.. ... King Fahd University Of Petroleum And Minerals

11/23/17 / #20170335434

Silver nanoparticle method on zinc oxide films

A method of preparing silver nanoparticles, including silver nanorings. A zinc oxide thin film is formed initially by direct-current sputtering of a zinc target onto a substrate. ... King Fahd University Of Petroleum And Minerals

11/23/17 / #20170335089

Graphene/polystyrene nanocomposite composition

A method for enhancing an interaction between graphene nanoparticles and a poly(styrene-co-methylmethacrylate), including modifying graphene with nitric acid to form graphene nanoparticles surface modified with one or more oxygen functionalities, melt blending the poly(styrene-co-methylmethacrylate) and the modified graphene nanoparticles to obtain a nanocomposite, and exposing the nanocomposite to microwave irradiation to form defects in the graphene nanoparticles. A blend composition, including graphene nanoparticles and a poly(styrene-co-methylmethacrylate), where the graphene nanoparticles are dispersed in the poly(styrene-co-methylmethacrylate), and the graphene nanoparticles are surface modified with oxygen functionalities.. ... King Fahd University Of Petroleum And Minerals

11/23/17 / #20170335073

Method of forming a surface-modified nanocomposite

A method for forming a blend including graphene nanoparticles and a poly(styrene-co-methylmethacrylate), where the method includes melt mixing the poly(styrene-co-methylmethacrylate) and the graphene nanoparticles to obtain a nanocomposite and exposing the nanocomposite to microwave irradiation to bond the methyl methacrylate copolymer to the graphene nanoparticles, in which a content of the graphene nanoparticles is from 0.05 to 2 wt % based on the nanocomposites. A blend composition, including graphene nanoparticles and a poly(styrene-co-methylmethacrylate), where the graphene nanoparticles are dispersed in the poly(styrene-co-methylmethacrylate), the graphene nanoparticles are modified with microwave induced defects, and the free radicals of poly(styrene-co-methylmethacrylate) is bonded to the graphene nanoparticles at the defects.. ... King Fahd University Of Petroleum And Minerals

11/16/17 / #20170329344

Method for robotic localization

The method for robotic localization is a color-based method for determining the coordinates of a mobile robot. The mobile robot is initially positioned in one colored block of a colored grid imprinted on a surface, which is divided into a plurality of colored blocks extending along rows in a first direction and columns in a second direction. ... King Fahd University Of Petroleum And Minerals

11/16/17 / #20170328613

Continuous adsorption cooling system with air-cooled heat rejection unit

An intermittent operation based continuous absorption system (iobcas) which supports cooling effect during the daytime without the use of a solution pump is provided. The iobcas may utilize an isochoric process for pressurization of the system and the system may include a plurality of generator-absorber units that intermittently operate in succession to provide a continuous refrigeration cooling effect during the daytime. ... King Fahd University Of Petroleum And Minerals

11/16/17 / #20170327664

Sulfur extended asphalt modified with crumb rubber for paving and roofing

The present invention relates to asphalt compositions. The present invention provides for a sulfur rubber asphalt binder composition that includes a base asphalt having a softening point, elemental sulfur, and a recycled crumb rubber material. ... King Fahd University Of Petroleum And Minerals

11/16/17 / #20170326536

Metal organic frameworks as catalysts and hydrocarbon oxidation methods thereof

A metal organic framework comprising zinc (ii) ions and second metal ions, such as iron (ii) ions, cobalt (ii) ions, and copper (ii) ions as nodes or clusters and coordinated 1,3,5-benzenetricarboxylic acid struts or linkers between them forming a porous coordination network in the form of polyhedral crystals that are isostructural to hkust-1. Transmetallation processes for producing the metal organic frameworks, as well as methods for applications of the metal organic frameworks as catalysts, specifically catalysts for the oxidation of cyclic hydrocarbons, such as toluene, cyclohexane, and methylcyclohexane.. ... King Fahd University Of Petroleum And Minerals

11/09/17 / #20170323561

Method for correcting electricity meter readings

. . A device, method, and computer-readable medium for correcting at least one error in readings of electricity meters, the method including receiving first readings of regular meters measuring electric energy delivered in each of a group of cables fed from a same distribution node in an electric grid during a period of time, receiving second readings of check meters measuring electric energy delivered in each of combinations of cables in the group of cables during the period of time, the combinations of cables being formed based on a redundant matrix in a generator matrix of a linear systematic block code, and correcting, in response to determining that at least one error been detected, the at least one error in the first readings of the regular meters and the second readings of the check meters.. . ... King Fahd University Of Petroleum And Minerals

11/09/17 / #20170321129

Method for reducing thiophene in diesel fuel

The present disclosure provides a method, for removing sulfur compounds from a fuel containing sulfur compounds. The method includes contacting the fuel with an adsorbent that comprises a carbonaceous material doped with nanoparticles of aluminum oxide to reduce the concentrations of the sulfur compounds, the carbonaceous material is at least one selected from the group consisting of activated carbon, carbon nanotubes, and graphene oxide, and the adsorbent has a weight ratio of c to al in the range from 3:1 to 30:1, and a weight ratio of c to o in the range from 1:1 to 10:1.. ... King Fahd University Of Petroleum And Minerals

11/09/17 / #20170320791

Method for forming light olefins from methanol

A catalyst system and a process for methanol to light olefin conversion with enhanced selectivity towards propylene. The catalyst system comprises a honeycomb monolith catalyst support coated with aluminosilicate nanozeolite catalysts on the edges and inside the channels of the support structure. ... King Fahd University Of Petroleum And Minerals

10/12/17 / #20170292939

N-nitrosamine determination in aqueous samples with sonication and microextraction

An automated dispersive liquid-liquid microextraction method of detecting and quantifying n-nitrosamines in an aqueous sample. The method includes (a) extracting an aqueous solution comprising the n-nitrosamines by mixing an extraction solvent and a dispersive solvent with the aqueous solution, such that the n-nitrosamines, or a portion thereof, re-distribute from the aqueous solution to the extraction solvent, (b) permitting the resulting mixture in (a) to form a two-phase mixture comprising an aqueous phase comprising the aqueous solution with reduced amounts of the n-nitrosamines and an organic phase comprising the extraction solvent with the n-nitrosamines extracted from the aqueous solution, (c) injecting the organic phase, or a portion thereof, into an injection port of a gas chromatograph coupled with at least one mass spectrometer, and (d) analyzing the n-nitrosamines by gas chromatography and mass spectrometry to detect and quantify the concentration of the n-nitrosamines in the aqueous solution.. ... King Fahd University Of Petroleum And Minerals

10/12/17 / #20170292738

Solar driven refrigeration system

Aspects of the disclosure provide a system and method for thermal-compression refrigeration. The refrigeration system includes a storage tank that stores a refrigerant condensate from a condenser, a mixing chamber that receives a refrigerant vapor from an evaporator and a portion of the refrigerant condensate from the storage tank, and produces a refrigerant mixture of the refrigerant vapor and the portion of the refrigerant condensate, and a first and second refrigerant compressors between the mixing chamber and condenser. ... King Fahd University Of Petroleum And Minerals

10/12/17 / #20170292078

Method for sulfur removal with a uranyl-containing carbonaceous adsorbent

A method of removing sulfur compounds from a hydrocarbon fluid. The method includes contacting the hydrocarbon fluid with an adsorbent comprising a carbonaceous material doped with nanoparticles of uranyl oxide (uo3) to reduce the concentrations of the sulfur compounds. ... King Fahd University Of Petroleum And Minerals

10/12/17 / #20170291165

Process for making a nio-doped aluminogallate nanocomposite

The present disclosure relates to a process for producing a finely divided metal-doped aluminogallate nanocomposite comprising mixing a carrier solvent with a bulk metal-doped aluminogallate nanocomposite to form a bulk metal-doped aluminogallate slurry and atomizing the bulk metal-doped aluminogallate slurry using a low temperature collision to produce a finely divided metal-doped aluminogallate nanocomposite, the composition of a nickel-doped aluminogallate nanocomposite (gan), and a method of no decomposition using the nickel-doped aluminogallate nanocomposite.. . ... King Fahd University Of Petroleum And Minerals

10/05/17 / #20170284853

Multiphase meter calibration system and methods thereof

A closed loop system for the calibration of a multiphase meter, such as a multiphase flow meter or water cut meter, and a method of employing the system in calibration of multiphase meters in crude oil production processes. The system includes an oil and water separation vessel, oil and water flow meters, valves, pumps, and a single phase calibration unit. ... King Fahd University Of Petroleum And Minerals

10/05/17 / #20170284661

Gas-assisted liquid fuel oxygen reactor

The present disclosure is directed to systems and methods for low-co2 emission combustion of liquid fuel with a gas-assisted liquid fuel oxygen reactor. The system comprises an atomizer that sprays fuel and co2 into an evaporation zone, where the fuel and co2 is heated into a vaporized form. ... King Fahd University Of Petroleum And Minerals

10/05/17 / #20170284299

Power turbine system

The power turbine system includes two power turbines communicating with an ion transport membrane (itm) reactor. Heavy liquid fuel is atomized and burned within the reactor to drive the first turbine, with the first turbine producing useful power. ... King Fahd University Of Petroleum And Minerals

10/05/17 / #20170284294

Oxy-fuel combustion system having monolith membrane

Experimental and numerical investigations on an atmospheric diffusion oxy-combustion flame in a gas turbine model combustor are conducted. The combustor is fuelled with ch4ch4 and a mixture of co2 and o2 as oxidizer. ... King Fahd University Of Petroleum And Minerals

10/05/17 / #20170283595

Olefin polymerization method using barium ferrite-containing catalyst nanoparticles

A method involving polymerizing ethylene in the presence of a catalyst composition containing bafe12o19 nanoparticles, a zirconocene catalyst, and an alkylaluminoxane co-catalyst. A nanocomposite is formed by the polymerization, whereby the bafe12o19 nanoparticles are dispersed in a matrix of polyethylene (pe), and the % crystallinity is lowered. ... King Fahd University Of Petroleum And Minerals

10/05/17 / #20170283319

Structural lightweight concrete with superior thermal insulation

A structural lightweight concrete composition comprising cement, a fine aggregate such as sand, a natural coarse aggregates, such as limestone, scoria or perlite or mixtures thereof, a synthetic coarse aggregate comprising a polymeric material, such as polypropylene beads, an industrial waste byproduct in the form of fine particles, such as silica fume or heavy oil ash, a superplasticizer, such as a polycarboxylate ether and water demonstrating lower thermal conductivity and sufficient compressive strength. Concrete products made therefrom and methods for producing such products are also provided.. ... King Fahd University Of Petroleum And Minerals

09/28/17 / #20170279197

Switched beam antenna system and hand held electronic device

A mm-wave antenna apparatus with beam steering function that includes: a butler matrix feeding network; a plurality of power combiners, each power combiner having one input and n outputs, configured to apply equal phase and power to a phase distributed output signal generated by the butler matrix feeding network and to generate n processed signals; and a plurality of millimeter wave switched beam planar antenna arrays having at least 1.5 ghz of bandwidth and located on a top low loss dielectric substrate, each antenna array of n elements, configured to obtain direct and narrow width beams from the n processed signals combined by each power combiner.. . ... King Fahd University Of Petroleum And Minerals

09/28/17 / #20170276756

Flow cell for batch and continuous simultaneous electrochemical and epr measurements and a method thereof

A flow cell and a method for batch and continuous simultaneous electrochemical (ec) and electron paramagnetic resonance (epr) measurements. The flow cell includes first and second tubes with hollow interiors and the first tube is removably connected to first and second tube assemblies. ... King Fahd University Of Petroleum And Minerals

09/28/17 / #20170276607

Fluorescent schiff base conjugate cu(ii) chemosensors and methods thereof

Fluorescent schiff base compounds comprising a xanthene dye based moiety and an alkyl imidazole moiety. Methods of assessing these fluorescent schiff base compounds as fluorescent probes for metal ions in cu2+ chemosensing applications, methods of preparing the fluorescent schiff base compounds and methods of detecting cu2+ ions with the same are also provided.. ... King Fahd University Of Petroleum And Minerals

09/28/17 / #20170276382

Evaporative condenser cooling system

The evaporative condenser cooling system is an air cooling system combining an evaporative condenser and a sensible heat exchanger. The evaporative condenser cools environmental air in a conventional manner, and includes a condenser immersed in water contained within a water reservoir. ... King Fahd University Of Petroleum And Minerals

09/28/17 / #20170275987

Method for downhole leak detection

An integrated and rigless method of determining the location and the type of damage in casing or tubing of a wellbore that involves recording a thickness profile of the casing or tubing, a temperature log, and a noise log along the depth of the wellbore, followed by locating the damage from the thickness profile, and determining the type of damage from the temperature log and the noise log.. . ... King Fahd University Of Petroleum And Minerals

09/28/17 / #20170275760

Chemical vapor deposition reactor with preheating, reaction, and cooling zones

A vertical chemical vapor deposition (cvd) reactor and a method for synthesizing metal oxide impregnated carbon nanotubes. The cvd reactor includes a preheating zone portion and a reaction zone portion, and preferably an additional cooling zone portion and a product collector. ... King Fahd University Of Petroleum And Minerals

09/28/17 / #20170275318

Solid-supported palladium (ii) complex as a heterogeneous catalyst for cross coupling reactions and methods thereof

A solid-supported catalyst ligand which chelates palladium (ii) species to form a complex that functions as a heterogeneous catalyst that is stable and can be recycled without significantly losing any catalytic activity in a variety of chemical transformations, a method for producing the solid-supported catalyst ligand and a method for catalyzing a palladium cross-coupling reaction, such as the suzuki-miyaura, mizoroki-heck, and sonagashira reactions.. . ... King Fahd University Of Petroleum And Minerals

09/28/17 / #20170275168

Method for forming aluminum oxide/carbon nanotubes by ultrasonic atomization and chemical vapor deposition

A vertical chemical vapor deposition (cvd) reactor and a method for synthesizing metal oxide impregnated carbon nanotubes. The cvd reactor includes a preheating zone portion and a reaction zone portion, and preferably an additional cooling zone portion and a product collector. ... King Fahd University Of Petroleum And Minerals

09/21/17 / #20170273000

Id-based routing protocol for wireless network with a grid topology

Aspects of the disclosure provide a wireless node in a wireless network with a grid topology for routing a message. The wireless node includes circuitry configured to receive a message including a destination node identification number, calculate a destination column and a destination row based on the destination node identification number, determine a next hop address based on the destination column and the destination row, and transmit the message including the next hop address to a next hop node.. ... King Fahd University Of Petroleum And Minerals

09/21/17 / #20170271751

Cognitive radio antenna assembly

The cognitive radio antenna assembly includes two boards, a main board that has an ultra-wideband antenna (uwb) and also serves as a ground plane for the reconfigurable antenna, and an elevated mimo board having two planar inverted-f antennas (pifas) that are reconfigurable to selectively operate on different frequency bands. Each pifa has a radiating patch having a slot bridged by pin diodes and dc blocking capacitors on opposite sides of the slot. ... King Fahd University Of Petroleum And Minerals

09/21/17 / #20170267590

Method of forming ceramic material containing aluminum particles

A ca—sialon ceramic with enhanced mechanical properties and a method employing micron-sized and submicron precursors to form the ca—sialon ceramic. The ca—sialon ceramic comprises not more than 42 wt % silicon, relative to the total weight of the ca—sialon ceramic. ... King Fahd University Of Petroleum And Minerals

09/21/17 / #20170267589

Sialon ceramics and a method of preparation thereof

A ca—sialon ceramic with enhanced mechanical properties and a method employing micron-sized and submicron precursors to form the ca—sialon ceramic. The ca—sialon ceramic comprises not more than 42 wt % silicon, relative to the total weight of the ca—sialon ceramic. ... King Fahd University Of Petroleum And Minerals

09/14/17 / #20170261482

Automated dispersive liquid-liquid microextraction technique for the analysis of n-nitrosamines in water

An automated dispersive liquid-liquid microextraction method of detecting and quanta n-nitrosamines in an aqueous sample. The method includes (a) extracting an aqueous solution containing the n-nitrosamines by mixing an extraction solvent and a dispersive solvent with the aqueous solution, such that the n-nitrosamines, or a portion thereof, re-distribute from the aqueous solution to the extraction solvent, (b) permitting the resulting mixture in (a) to form a two-phase mixture containing an aqueous phase containing the aqueous solution with reduced amounts of the n-nitrosamines and an organic phase containing the extraction solvent with the n-nitrosamines extracted from the aqueous solution, (c) injecting the organic phase, or a portion thereof, into an injection port of a gas chromatograph coupled with at least one mass spectrometer, and (d) analyzing the n-nitrosamines by gas chromatography and mass spectrometry to detect and quantify the concentration of the n-nitrosamines in the aqueous solution.. ... King Fahd University Of Petroleum And Minerals

09/14/17 / #20170261467

Method for determining phenol concentration by using graphite pencil electrode system

A method of determining a concentration of phenol and/or a phenol derivative in a first solution. The method includes (a) subjecting a graphite pencil electrode system comprising a graphite pencil working electrode, a counter electrode, and a reference electrode to cyclic voltammetry in a second solution such that a surface of the graphite pencil working electrode is charged by the cyclic voltammetry to form a charged surface, (b) contacting the charged surface of the graphite pencil working electrode with the first solution for sufficient time to electropolymerize the phenol and/or the phenol derivative on the charged surface in open circuit fashion, and (c) determining the concentration of the phenol and/or the phenol derivative in the first solution, wherein the amount of the electropolymerized phenol and/or the electropolymerized phenol derivative formed on the charged surface correlates with the concentration of the phenol and/or the phenol derivative in the first solution.. ... King Fahd University Of Petroleum And Minerals

09/14/17 / #20170261270

Compact tube and plate condenser with cooling fins

The compact tube and plate condenser with cooling fins is similar to a conventional compact tube and plate condenser, but with the addition of thermally conductive cooling fins for enhancing heat transfer with the external environment. The compact tube and plate condenser with cooling fins includes a serpentine tube mounted on a thermally conductive plate. ... King Fahd University Of Petroleum And Minerals

09/14/17 / #20170261243

Absorption cooling system with solar collector

A solar powered absorption cooling system employing refrigerant-absorbent solutions such as water and lithium bromide and hybrid storage capabilities, and a method of employing the system in refrigeration and air conditioning units. The system includes a first temperature control valve and second temperature control valve that together regulate the flow of solar heating fluid into the generator and substantially reduce absorbent crystal formation.. ... King Fahd University Of Petroleum And Minerals

09/14/17 / #20170260450

Clay soil site preparation for building structures

A method of reducing the swell potential of an expansive clayey soil comprising expansive clay mineral(s) at a proportion of the total weight of the expansive clayey soil (pecm). The method includes (a) calculating a first amount of a swelling reduction agent to be incorporated into the expansive clayey soil to form a first swelling reduction agent incorporated expansive clayey soil with a reduced swell potential no greater than a pre-set level t with a nano-level constitutive modeling based on the water content and the cec of the expansive clayey soil and pecm. ... King Fahd University Of Petroleum And Minerals

09/14/17 / #20170260376

Method for polymerizing ethylene to form a high density polyethylene nanocomposite

Methods of preparing high-density polyethylene (hdpe) nanocomposites by in situ polymerization with a zirconocene catalyst, a methylaluminoxane cocatalyst, a calcium zirconate nanofiller in a solvent. The calcium zirconate nanofiller, which is dispersed across the polyethylene matrix, is found to enhance catalyst activity, and other properties of the hdpe nanocomposites produced, including but not limited to flame retardency, crystallinity and surface morphology.. ... King Fahd University Of Petroleum And Minerals

09/14/17 / #20170260107

Method for hydrophobicizing a zirconia surface

A method of treating a ceramic surface containing zirconia, whereby the ceramic surface is ablated by directing a laser beam with a diameter of 200-400 μm produced by a co2 laser with a pulse frequency of 1200-1800 hz onto the ceramic surface, and a n2 assist gas is concurrently applied with a pressure of 550-650 kpa co-axially with the laser beam to form an ablated ceramic surface comprising microgrooves with zrn present on a surface of the microgrooves, wherein the ablated ceramic surface has a higher surface hydrophobicity than the ceramic surface prior to the ablating.. . ... King Fahd University Of Petroleum And Minerals

09/14/17 / #20170260098

Process for converting calcium bentonite to sodium bentonite

Method of converting calcium bentonite to sodium bentonite that is suitable for use as drilling mud or a cement additive. After the addition of a calcium bentonite sample to a prepared soda ash solution at predetermined soda ash/bentonite weight ratios, the bentonite suspension is continuously heated and stirred for up to 24 h. ... King Fahd University Of Petroleum And Minerals

09/14/17 / #20170260069

Stacked hydromagnetic desalination cell

A hydromagnetic desalination cell including at least one hollow rectangular flow conduit, a first rectangular magnet and a second rectangular magnet each having a north pole face and a south pole face opposite of each other, wherein the first and second rectangular magnets are disposed along a longitudinal axis and on opposite sides of the rectangular flow conduit, a first opening and a second opening on opposite walls of the rectangular flow conduit extending between the first and second rectangular magnets, and a first and second chamber fluidly connected to the first and second openings. A hydromagnetic desalination system and methods of desalinating brine water with the hydromagnetic desalination system are also disclosed.. ... King Fahd University Of Petroleum And Minerals

09/14/17 / #20170260047

Method of steam methane reforming

A convectively heated steam/methane reformer having a shell and tube reforming reactor for hydrogen production. A reactor core containing the reactants is convectively heated by hot air flowing through the shell or annulus of the reactor. ... King Fahd University Of Petroleum And Minerals

08/31/17 / #20170250741

Low complexity relay selection and power allocation scheme for cognitive mimo buffer-aided decode-and-forward relay networks

Decode and forward buffer aided relay selection and transmission power allocation systems and method are provided for cognitive radio network that is equipped with multiple-input-multiple-output (mimo). A low complexity mimo-based relay selection scheme that maximizes the single-hop normalized sum rate of the primary network (pn) and secondary network (sn) is proposed including a sub-optimal antenna transmission power allocation scheme that maximizes the single-hop normalized sum rate of the pn and the sn is proposed. ... King Fahd University Of Petroleum And Minerals

08/31/17 / #20170246742

Apparatus and method of sensor deployment

Described herein is a method of deploying sensors by a robot in a geographical region. The robot receives a first instruction including information corresponding to the geographical region and a second instruction indicating one of a first manner and a second manner of deploying sensors. ... King Fahd University Of Petroleum And Minerals

08/24/17 / #20170245096

Efficient routing for energy harvest and quality of service in wireless sensor networks

A wsn has multiple sensor nodes, a bi-directional gateway sensor node, and a server. The wsn also includes circuitry configured to process a route request message from an origination sensor node to a destination sensor node. ... King Fahd University Of Petroleum And Minerals

08/24/17 / #20170244365

Single-input single-output two-box polar behavioral model for envelope tracking power amplifiers

The single-input single-output two-box polar behavioral model for envelope tracking power amplifiers estimates magnitude and phase of the output signal in separate paths. More specifically, the model is a two-box polar behavioral model using a complex magnitude and phase splitter that feeds a parallel combination of a generalized memory polynomial function and a memoryless polynomial function applied to the input signal's magnitude and phase, respectively. ... King Fahd University Of Petroleum And Minerals

08/24/17 / #20170244126

Method for forming a nanoporous grain boundary structure

Gadolinium-doped cerium oxide slurries used to form a patchwork type surface structure with nanoporous grain boundary prepared by mixing gadolinium-doped cerium oxide and a polymer binder to form a first mixture; wet-atomizing the first mixture under a pressure of at least 100 mpa to obtain a second mixture; coating the second mixture to a substrate to form in a coated substrate; and sintering the coated substrate. The patchwork type structure is a polygonal or honeycomb structure having a size of from 0.1 μm to 3 μm.. ... King Fahd University Of Petroleum And Minerals

08/24/17 / #20170242691

Apparatus and methodologies for code refactoring

Methods and apparatuses are provided for code refactoring. The method includes acquiring a code and identifying, using processing circuitry and based on a markov decision process model, a refactoring sequence. ... King Fahd University Of Petroleum And Minerals

08/24/17 / #20170242663

Software model stability metrics

Methods and computing devices are described for computing a structural model stability metric, a functional model stability metric, and a behavioral model stability metric. A first state of a diagram having a first plurality of actors or participants and a second state of the diagram having a second plurality of actors or participants are obtained. ... King Fahd University Of Petroleum And Minerals

08/24/17 / #20170241337

Combustor with adjustable swirler and a combustion system

A combustor having an ion transport membrane therein and an adjustable swirler, which is mechanically connected at an inlet of a combustion zone of the combustor; a combustion system comprising the combustor, a feedback control system adapted to adjust swirler blades of the combustor based on a compositional variation of a fuel stream, and a plurality of feedback control systems to control operational variables within the combustor for an efficient oxy-combustion; and a process for combusting a fuel stream via the combustion system. Various embodiments of the combustor, the combustion system, and the process for combusting the fuel stream are disclosed.. ... King Fahd University Of Petroleum And Minerals

08/24/17 / #20170241027

Method for preparing a gallium-doped zinc oxide electrode decorated with densely gathered palladium nanoparticles

A method for manufacturing a palladium coated doped metal oxide conducting electrode including immersing a metal oxide conducting electrode into an aqueous solution having a palladium precursor salt to form the metal oxide conducting electrode having at least one surface coated with palladium precursor. To form a layer of palladium nanoparticles on the metal oxide conducting electrode the palladium precursor on the metal oxide conducting is reduced with a borohydride compound. ... King Fahd University Of Petroleum And Minerals

08/24/17 / #20170240469

Nanoclay-enhanced cement composition for deep well treatment

A cement slurry composition, containing hydraulic cement, water, and from 1 to less than 4% of an organically modified nanoclay. A method for cementing a high pressure high temperature well by pumping the cement composition of claim 1 between a casing and a formation of a well bore to fill a gap between the casing and the formation, and allowing the cement to harden.. ... King Fahd University Of Petroleum And Minerals

08/24/17 / #20170240436

Treatment of water with uv/chlorine advanced oxidation

A process for decontaminating a contaminated aqueous liquid comprising methyl-tert-butyl ether (mtbe) involving pretreating the contaminated aqueous liquid with chlorine and/or a hypochlorous acid salt and irradiating the aqueous liquid with an ultraviolet wavelength to produce a radical molecular species that degrades the mtbe. Mtbe is degraded into at least one degradation byproduct including tert-butyl formate (tbf), tert-butyl alcohol (tba), acetone, carbon dioxide, and water.. ... King Fahd University Of Petroleum And Minerals

08/24/17 / #20170239648

Process for synthesizing a metal-doped aluminogallate nanocomposite and methods of use thereof

The present disclosure relates to a process for producing a finely divided metal-doped aluminogallate nanocomposite comprising mixing a carrier solvent with a bulk metal-doped aluminogallate nanocomposite to form a bulk metal-doped aluminogallate slurry and atomizing the bulk metal-doped aluminogallate slurry using a low temperature collision to produce a finely divided metal-doped aluminogallate nanocomposite, the composition of a nickel-doped aluminogallate nanocomposite (gan), and a method of no decomposition using the nickel-doped aluminogallate nanocomposite.. . ... King Fahd University Of Petroleum And Minerals

08/24/17 / #20170239643

Composite adsorbent for adsorption chiller

The composite adsorbent for an adsorption chiller is a composite material formed from multi-walled carbon nanotubes incorporated into a metal organic framework, where the metal organic framework is mil-101(cr). The mil-101 family of metal organic frameworks include terephthalate (benzene 1,4-dicarboxylate) linkers and m3o-carboxylate trimers (m=cr or fe) with octrahedrally coordinated metal ions binding terminal water molecules. ... King Fahd University Of Petroleum And Minerals

08/24/17 / #20170239624

Aluminum oxide supported gas permeable membranes

A semi-porous composite membrane and a method of manufacturing the semi-porous composite membrane. The semi-porous composite membrane includes a base supporting substrate comprising α-al2o3, an outer layer comprising silica, and an intermediate layer comprising crystalline fibers of boehmite, and at least one of a secondary metal oxide and a synthetic polymer, wherein the intermediate layer is disposed between the base supporting substrate and the outer layer. ... King Fahd University Of Petroleum And Minerals

08/17/17 / #20170238197

Route repair of ad hoc on-demand distance vector routing protocol in a wireless sensor network

Systems and methods include a wsn having sensor nodes that are configured with electronic circuitry for interfacing with one or more associated sensors. The wsn also includes a gateway sensor node configured to receive sensor data from and forward instructions to the one or more sensor nodes, and a server configured to control the wsn in combination with the gateway sensor node. ... King Fahd University Of Petroleum And Minerals

08/17/17 / #20170236410

Method, device, and computer-readable medium for correcting at least one error in readings of electricity meters

A device, method, and computer-readable medium for correcting at least one error in readings of electricity meters, the method including receiving first readings of regular meters measuring electric energy delivered in each of a group of cables fed from a same distribution node in an electric grid during a period of time, receiving second readings of check meters measuring electric energy delivered in each of combinations of cables in the group of cables during the period of time, the combinations of cables being formed based on a redundant matrix in a generator matrix of a linear systematic block code, and correcting, in response to determining that at least one error been detected, the at least one error in the first readings of the regular meters and the second readings of the check meters.. . ... King Fahd University Of Petroleum And Minerals

08/17/17 / #20170234280

Combustion system with an ion transport membrane assembly and a method of using thereof

A combustion system including an ion transport membrane assembly coupled to an internal combustion engine to generate power via oxy-combusting a fuel stream in a combustion chamber of the internal combustion engine, and a method of combusting the fuel stream via the combustion system, wherein a portion of an exhaust stream is recycled to the ion transport membrane assembly. Various embodiments of the combustion system and the method of combusting the fuel stream are disclosed.. ... King Fahd University Of Petroleum And Minerals

08/17/17 / #20170234067

System, device, and method for controlling smart windows

A smart window controller includes circuitry configured to establish a representative model of one or more building zones based on occupancy, construction, lighting, or cooling properties of a building. A lighting control strategy is implemented for the one or more building zones based on the representative model or one or more user preferences input at a first user interface screen of an external device. ... King Fahd University Of Petroleum And Minerals

08/17/17 / #20170233663

Method for desulfurizing diesel fuel

The present disclosure provides a method for removing sulfur compounds from a fuel containing sulfur compounds. The method includes contacting the fuel with an adsorbent that comprises a carbonaceous material doped with nanoparticles of aluminum oxide to reduce the concentrations of the sulfur compounds. ... King Fahd University Of Petroleum And Minerals

08/17/17 / #20170233629

Drilling mud composition with aloe vera particles and a fracking process using the same

A drilling mud composition including aloe vera particles with a largest dimension of 75-600 μm, an aqueous base fluid, and a viscosifier, where the aloe vera particles are present in the drilling mud composition at a concentration of less than 150 ppm, relative to the total weight of the drilling mud composition. A process for fracking a geological formation, whereby the drilling mud composition is injected into the geological formation through a well bore at a pressure of at least 5,000 psi to fracture the geological formation.. ... King Fahd University Of Petroleum And Minerals

08/17/17 / #20170233312

Fluidizable catalyst for oxidative dehydrogenation of alkanes to olefins in an oxygen free environment

Fluidizable catalysts for the oxygen-free oxidative dehydrogenation of alkanes to corresponding olefins. The catalysts comprise 10-20% by weight per total catalyst weight of one or more vanadium oxides (vox) such as v2o5 as well as 1-5% by weight per total catalyst weight of niobium as a promoter. ... King Fahd University Of Petroleum And Minerals








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