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Hohai University patents

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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "H" | Hohai University-related inventors

Test system and test detecting cement content of cement mixing pile body in real time

The present invention discloses a test system and a test method for detecting the cement content of cement stirring pile body in real time at a construction site. The test system specifically includes a cement slurry density measuring apparatus and a cement admixing amount calculating apparatus. The method includes measuring... Hohai University

Municipal solid waste landfill barrier system capable of prolonging breakthrough time of leachate and manufacturing method thereof

The invention relates to a MSW landfill barrier system capable of prolonging breakthrough time of leachate and a manufacturing method thereof. The system comprises a leachate collection and removal layer, a first HDPE (high-density polyethylene) geomembrane infiltration proof layer (2), a clay liner (5) and a groundwater collection and removal... Hohai University

Damage detection lock gate sill

The present invention discloses a damage detection apparatus for a lock gate sill, including a support, a water storage tank, a water inlet barrel, a filter device, a water pump, and a control device, wherein a barrier is vertically disposed at the bottom of the water storage tank, multiple water... Hohai University

Ship draught detection apparatus and its detection method

The present invention discloses a ship draught detection apparatus and its detection method. The ship draught detection apparatus includes two servo motors, a guide rail, a sonar detection device, a traction device, a locating device, and a control device. Compared with the provision of a series of sonar detection devices... Hohai University

Assembled type pier column member with steel-concrete composite structure

A segment-assembled type pier column member with a steel-concrete composite structure includes a reinforcement tube embedded in a pile cap, wherein the reinforcement tube is connected with a bottom of a lower segment of a hollow steel tube pier and is poured with concrete, and pier columns in upper and... Hohai University

Electromagnetic multiaxial fatigue testing machine

An electromagnetic multiaxial fatigue testing machine includes a test piece fixing platform and an electromagnet loading mechanism arranged on a frame, wherein the electromagnet loading mechanism includes a first loading device for bend loading, and a second loading device for axial and torsional loading. The first loading device includes a... Hohai University

A transformer noise suppression method

The noise suppression method of individual active noise reduction system comprises the steps that: (1) initial noise digital signals are received and converted to serve as input signals of a BP neural network; (2) the input signals are processed to generate secondary digital signals; (3) the secondary digital signals are... Hohai University

Method for coating metal nanoparticles on oxide ceramic powder surface

The present invention discloses a method for uniformly coating metal nanoparticles without a carbon impurity on an oxide ceramic powder surface, which includes the steps of putting grinded and mixed a metal organic material and oxide ceramic powder into a rotational reaction chamber, then bubbling oxidizing gas under a rotational... Hohai University

Traffic data stream aggregate query method and system

A traffic data stream aggregate query method and system includes the steps of acquiring spatial-temporal information of a mobile object to generate a traffic data stream, dividing data space into cells, grouping adjacent cells with similar frequency into few buckets, calculating Kalman gains of the buckets based on frequencies of... Hohai University

Device for purifying cropland effluents

A device for purifying first-stage drainage effluents from dry croplands, the device including: a) a plastic corrugated pipe including an upright segment and a horizontal segment, the upright segment comprising plastic mesh openings; b) a steel wire mesh box filled with stuffing pellets including biological carriers; and an inspection cover.... Hohai University

Tungsten carbide-cubic boron nitride composite material and preparation method thereof

A tungsten carbide-cubic boron nitride composite material and preparation method thereof mainly includes WC and cBN, wherein the WC powder is coated with Co nano-layer and the cBN powder is coated with SiO2 nano-layer, and hardness and toughness of the composition material can be improved by coating. The method for... Hohai University

Facility secondary no3- salinized soil modifier, preparation method and modification method

A facility secondary NO3− salinized soil modifier and a modification method are disclosed. The present invention involves the preparation processes of two biological soil modifiers A and B and application methods thereof, which are specifically described as follows: (1) soil modifier A.: solid, obtained by microbial fermentation with straw powder... Hohai University

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009


This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. is not affiliated or associated with Hohai University in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Hohai University with additional patents listed. Browse our Agent directory for other possible listings. Page by