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Sichuan University patents


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

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


Low pressure anion exchange chromatography-turbidimetric method for simultaneous online analysis of trace sulfide and chloride in water samples

The present invention provides a low pressure anion exchange chromatography—turbidimetric method for simultaneous online analysis of trace s2− and cl− in water samples using an apparatus comprising a low pressure pump, a sample valve, a sample loop, a low pressure anion chromatographic column, a reactor, an optical flow cell, an optical detector, a computer system, a mixer, a sample flow path, a propelling solution flow path, and a color developer solution flow path, the method comprising: (a) mapping a baseline; (b) mapping spectrogram of s2− and cl− in test samples; (c) mapping standard working curves; and (d) calculating the concentrations of s2− and cl− in the test samples based on the peak heights of s2− and cl− in the spectrogram and the regression equations of standard working curves. In this method, a chromatography method is combined with a turbidimetric method for the first time to realize simultaneous online analysis of trace s2− and cl− in water samples, and the method is endowed with the advantages of fast analysis speed, high analysis efficiency and low analysis costs.. ... Sichuan University

Kind of android malicious code detection method on the base of community structure analysis

This invention comes up with a kind of android malicious code detection method on the base of community structure analysis. During the reverse analysis process of target program, firstly, it obtains critical static feature information automatically, such as permission, function, class, system api, etc,; secondly, it uses the call relation between functions to create function call graph, and undertakes pretreatment on function call graph; make cycle division and analysis for the weighted function call graph so as to get the correction division of community structure; finally, it extract features from community structures for machine learning and get the final maliciousness determination result. ... Sichuan University

Kind of dr radiography lung contour extraction method based on fully convolutional network

A dr radiography lung contour extraction method based on fully convolutional network, which includes the steps: establish the fully convolutional network structure of lung contour segmentation; conduct off-line training on the weighting parameters of the fully convolutional network; read dr image and weighting parameters of the fully convolutional network; input dr image into fully convolutional network and output segmentation results of image through network terminal with network layer-by-layer feedforward. Establish lung contour in accordance with segmentation results.. ... Sichuan University

Kind of malicious software clustering method expressed based on tlsh feature

A kind of malicious software clustering method expressed based on tlsh feature, which belongs to analysis and test area of malicious software. The cuckoo sandbox is used to analyze malicious software to acquire three kinds of character string features, which are static feature of software, resource assess record during operation and api; then character strings are disassembled, filtered and sorted and tlsh algorithm is used to compress them into three groups of feature values with size of 70 characters; finally, optics algorithm is utilized to realize automatic classification on malicious software family. ... Sichuan University

Kind of lung lobe contour extraction method aiming at dr radiography

A lung lobe contour extraction method aiming at dr radiography, which includes the steps: obtain the representative lung lobe contour template through offline training; initialize the extraction system of contour lobe area in the chest dr radiography; according to dimension of dicom image, conduct three-layer pyramid decomposition on the images; use gabor filter bank to rebuild pending images; convert residual error of the rebuilt image by the gabor filter into black and white image; use zhan-suen refinement algorithm to refine the black and white image; call every template of the offline training and use them as the convolution kernel operator, conduct convolution on the contour imagep; filter the local optimum convolution value with optimum possibility from the convolution results and combine the evaluations; generate the lung lobe contour shape in accordance with the upper and lower templates of optimum matching and its position.. . ... Sichuan University

Apparatus for making underground reservoir

A device for constructing an underground reservoir by dissolving limestone using carbon dioxide. The device includes a co2 storage tank; an absorption tower; a decompression valve; a gas-liquid separator; a crystallizer; a vacuum pump; a buffer tank; a first booster pump; a second booster pump; and a third booster pump. ... Sichuan University

A mouse for magnetic resonance and its manufacturing method as well as a signal transmission apparatus

A mouse for magnetic resonance, comprising an upper shell (1), a lower shell (2), a trackball (3), a circuit board (4) and a cable (5), wherein the inner surfaces of the upper shell (1) and the lower shell (2) are coated with a silver and copper conductive paint layer, the concentration of a silver and copper conductive paint being 13% to 17%; and a manufacturing method for the mouse for magnetic resonance, and a signal transmission apparatus are further comprised. The clinical usage of functional magnetic resonance can be satisfied, a signal interference is avoided, and it is ensured that a remote computer accurately receives a response of a subject.. ... Sichuan University

Kind of transmission method based on the network learnable power model

A kind of transmission method based on the learnable power model, which conducts periodic record for the historical change trend of the network. This method conducts weighting smooth processing on the round trip time and judges the changing trend of congestion control window. ... Sichuan University

Kind of congestion improvement method based on the quic protocol

A kind of congestion improvement method based on the quic protocol adds the information of round trip delay in the congestion algorithm, self-adaptive changes the value of α to judge the situation of current network through comparison between the rtt of last time and the current rtt and then adjusts the current target window value in accordance with the current network situation, changing the congestion window based on the cubic growth curve of the cubic algorithm. This improvement method can make the quic protocol judge the current network situation more timely and accurately and can make the congestion window change quickly to fully utilize the bandwidth. ... Sichuan University

Kind of self-adaptive network congestion control method based on scps-tp

A kind of self-adaptive network congestion control method based on scps-tp, which includes the following steps: the scps-tp's gateway source-end receives and transmits the packets to destination end; judge if there is new packet received in accordance with the analyzed ack; if there is no new packet received, when the duplicate ack counter increase to a certain value, change the window size's growth pattern to linear self-adaptive pattern; if there is new packet received, the congestion control is in the exponential growth pattern. After window is enlarged, diff is bigger than the set threshold value and the congestion control method is changed to linear self-adaptive pattern; if congestion control is in the linear self-adaptive pattern, adjust window size in accordance with diff; the scps-tp's gateway source-end sends the packets in the packet loss buffer to destination end and sends new packets in accordance with the size of congestion window.. ... Sichuan University

Kind of x-ray chest image rib suppression method based on poisson model

A x-ray chest image rib suppression method based on poisson model. It conducts contourlet transformation on the image and utilizes transformation coefficient correlation between different scales to conduct texture enhancement on the image; it designs strip-type detection filter in accordance with the hessian matrix eigenvalue to the image and detects the area where the rib locates in; it combines enhanced texture and rib area information, establishes and solves rib suppression poisson model, realizing the rib suppression in the image. ... Sichuan University

A tumor necrosis factor-related apoptosis-inducing ligand variant, as well as a preparation method and use thereof

The present invention discloses a tumor necrosis factor-related apoptosis-inducing ligand variant, which is a fusion protein of a tumor necrosis factor-related apoptosis-inducing ligand and an f3 peptide. The f3 peptide is fused to the n-terminus or c-terminus of the tumor necrosis factor-related apoptosis-inducing ligand by a linker. ... Sichuan University

Hepatitis c virus inhibitors and uses thereof in preparation of drugs

A series of hepatitis c virus (hcv) inhibitors and compositions and applications thereof in the preparation of drugs for treating chronic hcv infection. Especially, a series of compounds that are used as ns5a inhibitors, and compositions and uses thereof in the preparations of drugs.. ... Sichuan University

Benzofuran analogue as ns4b inhibitor

Provided is a benzofuran analogue having a structure represented by formula (i) and used as an ns4b inhibitor, or a pharmaceutically acceptable salt of the benzofuran analogue. The benzofuran analogue has anti-hepatitis c virus activity.. ... Sichuan University

07/20/17 / #20170204053

Long-chain dimethylaniline derivative compounds, their preparation methods, self-assembled textures, and uses thereof

The present invention relates to long-chain dimethylaniline derivative compounds, their preparation methods, self-assembled texture, and uses thereof. Said compounds show ultralong acting anaesthetic effect, and belong to n-diethylaminoacetyl-2,6-dimethylaniline compounds, having a structure according to formula (i). ... Sichuan University

05/18/17 / #20170137951

Method and device for using co2 mineralization to produce sodium bicarbonate or sodium carbonate and output electric energy

Disclosed are a method and device for using co2 mineralization to produce sodium bicarbonate or sodium carbonate and output electric energy. The device comprises an anode area, an intermediate area, and a cathode area. ... Sichuan University

03/02/17 / #20170064779

Microwave frequency-selective heating device and method thereof

The present invention relates to a technical field of microwave heating, and more particularly to a microwave frequency-selective heating device and a method thereof. The microwave frequency-selective heating device includes: a heating chamber with a microwave feed-in device, and a frequency controller; wherein the frequency controller is connected to the microwave feed-in device. ... Sichuan University

02/16/17 / #20170044110

Pyrimidine compounds and use as anti-cervical cancer thereof

Provided is use of a pyrimidine compound or a pharmaceutically acceptable salt thereof in preparation of an anti-cervical cancer medicament. Research of the present invention has found that the above-mentioned pyrimidine compound can be effective against cervical cancer, and has a good inhibition effect on e6 and e7 of hpv16, and indicates that the above-mentioned pyrimidine compound also has a good anti-human papilloma virus effect, providing a new choice for clinical medication.. ... Sichuan University

01/05/17 / #20170001963

N-substituted imidazole carboxylic ester chiral compound containing an ether side chain, its preparation and application

The present invention relates to an n-substituted imidazole carboxylic ester chiral compound containing an ether side chain and to its preparation and application. The structure of this compound is represented by formula (i). ... Sichuan University








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