Patents by Inventor Weiguo Zhang
Weiguo Zhang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11980844Abstract: The present invention relates to a method for carbon dioxide capture and concentration by partitioned multistage circulation based on mass transfer-reaction regulation. In the present invention, multiple means such as multistage circulating absorption, intelligent multi-factor regulation, pre-washing and cooling, inter-stage cooling, post-stage washing, slurry cleaning, cooling water waste heat utilization, small-particle-size and high-density spraying, external strengthening field such as a thermal field/ultrasonic field/electric field, and catalysis by composite catalyst are adopted, so that the target for low cost, low energy consumption, stability and high efficiency is realized. The secondary pollutants are effectively inhibited while carbon dioxide is efficiently captured; meanwhile, high-efficiency capture, low-energy desorption, and high-purity concentration of carbon dioxide are implemented.Type: GrantFiled: December 30, 2021Date of Patent: May 14, 2024Assignee: ZHEJIANG UNIVERSITYInventors: Xiang Gao, Chenghang Zheng, Chang Liu, Can Zhou, You Zhang, Zhongyang Zhao, Yongxin Zhang, Yang Zhang, Qinwu Li, Weiguo Weng, Weihong Wu, Qingyi Li, Xiao Zhang, Tao Wang
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Publication number: 20240135069Abstract: The present disclosure provides a risk assessment method of water inrush in tunnels constructed in water-rich grounds. The method includes the following steps: simulating a tunnel excavation process by finite element software MIDAS GTS NX and fluid-structure interaction; according to a research method of control variables, analyzing effects of a groundwater level, an elastic modulus and advanced pipe shed grouting on the stability of surrounding rock, and improving an algorithm of a radial basis function (RBF) neural network using a Grey Relation Analysis (GRA)-based Partitioning Around Medoid (PAM) clustering algorithm to assess risks of water inrush occurring in Qingdao area.Type: ApplicationFiled: February 21, 2023Publication date: April 25, 2024Inventors: Yongjun ZHANG, Fei LIU, Huangshuai XIA, Bin GONG, Sijia LIU, Yingming WU, Qingsong WANG, Hongzhi LIU, Ruiquan LU, Mingdong YAN, Lijun ZHANG, Xiaoming GUAN, Pingan WANG, Shuguang LI, Dengfeng YANG, Weiguo ZHANG
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Publication number: 20240095241Abstract: Embodiments of this disclosure provide a data search method and apparatus, and an electronic device. The method includes obtaining a search request, where the search request includes a query graph formed by a plurality of nodes and a plurality of edges between the plurality of nodes, each node represents an object, and each edge represents an association relationship between objects; determining a plurality of query subgraphs based on the query graph, where each query subgraph includes a group of nodes in the plurality of nodes and edges between the group of nodes, and the plurality of query subgraphs have at least one same node in the plurality of nodes; searching a target data graph in parallel for data subgraphs that respectively match the plurality of query subgraphs; and merging the data subgraphs that respectively match the plurality of query subgraphs, to determine a search result that matches the query graph.Type: ApplicationFiled: November 27, 2023Publication date: March 21, 2024Inventors: Weiguo Zheng, Yuejia Zhang, Junhua Zhu
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Patent number: 11926538Abstract: The present disclosure relates to the technical field of wastewater treatment, and provides a wastewater treatment method and apparatus based on hydrate-based water vapor adsorption. The apparatus includes a wastewater evaporation zone, a hydrate formation zone, a hydrate decomposition zone, and a data acquisition and control system. Rising water vapor and condensed water formed during evaporation of wastewater at normal temperature react with a hydrate former on a cooling wall surface to form a hydrate, continuous evaporation of the wastewater is promoted, the hydrate is scraped off to a collecting zone below by a scraper after being formed, and the hydrate is decomposed into fresh water, thereby realizing wastewater treatment. The present disclosure provides a method for treating complex wastewater containing a plurality of pollutants, where water vapor is consumed to form the hydrate to promote wastewater evaporation, and water obtained from the decomposition does not contain pollutants theoretically.Type: GrantFiled: May 10, 2023Date of Patent: March 12, 2024Assignee: DALIAN UNIVERSITY OF TECHNOLOGYInventors: Yongchen Song, Lunxiang Zhang, Huilian Sun, Zheng Ling, Jiafei Zhao, Lingjie Sun, Lei Yang, Mingjun Yang, Yu Liu, Weiguo Liu, Yanghui Li, Xiang Sun, Lanlan Jiang
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Patent number: 11911786Abstract: The present invention discloses a hydrate energy-storage temperature-control material and a preparation method therefor. The material includes a refrigerant hydrate and a cross-linked polymer. The preparation method comprises the following steps: first, preparing a refrigerant hydrate by using a high-pressure reactor, and conducting grinding, crushing and sieving to obtain hydrate particles; then, uniformly spraying polytetrafluoroethylene suspended ultrafine powder onto the surface of the hydrate particles by using an electrostatic spraying device, and putting the hydrate particles into a plasma instrument to modify polytetrafluoroethylene so as to allow free radicals to be formed on the polytetrafluoroethylene powder surface; finally, subjecting monomers to graft polymerization with the free radicals on the polytetrafluoroethylene surface under the irradiation of a high-pressure mercury lamp of UV lighting system to stabilize the structure of the material, preparing a final product.Type: GrantFiled: June 30, 2021Date of Patent: February 27, 2024Assignee: DALIAN UNIVERSITY OF TECHNOLOGYInventors: Jiafei Zhao, Yongchen Song, Mingzhao Yang, Hongsheng Dong, Lunxiang Zhang, Quan Shi, Lei Yang, Zheng Ling, Xiang Sun, Yanghui Li, Weiguo Liu
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Patent number: 11852707Abstract: The present disclosure provides a system for SMS MRI. During each of a plurality of frames, the system may cause an MRI scanner to apply a plurality of PE steps to each of a plurality of slice locations of a subject to acquire echo signals. A phase modulation magnetic field gradient may be applied during each of at least some of the PE steps in the frame. For each frame, the system may reconstruct an aliasing image representative of the slice locations in the frame based on the corresponding echo signals. The system may also generate a plurality of reference slice images based on the aliasing images. The system may further reconstruct at least one slice image based on the aliasing images and the reference slice images. Each of the slice image may be representative of one of the slice locations in one of the frames.Type: GrantFiled: October 21, 2019Date of Patent: December 26, 2023Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.Inventors: Yuan Zheng, Lele Zhao, Jian Xu, Weiguo Zhang
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Patent number: 11434535Abstract: The invention described in the application relates to a panel of gene expression markers for patient with a tumor. The invention thus provides methods and compositions, e.g., kits, for evaluating gene expression levels of the markers and methods of using such gene expression levels to evaluate the likelihood of disease progression or response to chemotherapy or radiation therapy. Such information can be used in determining prognosis and treatment options for cancer patients.Type: GrantFiled: May 18, 2015Date of Patent: September 6, 2022Assignee: The Regents of the University of CaliforniaInventors: Weiguo Zhang, Gary Karpen, Jian-Hua Mao
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Patent number: 11292819Abstract: Provided herein are compounds and methods for increasing disease resistance and/or root length in plants.Type: GrantFiled: August 12, 2019Date of Patent: April 5, 2022Assignee: The Regents of the University of CaliforniaInventors: Pamela Ronald, Benjamin Schwessinger, Rory Pruitt, Anna Joe, Weiguo Zhang
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Patent number: 11262640Abstract: A device comprising a nonlinear optical (NLO) material according to the formula XLi2Al4B6O20F. A device comprising a nonlinear optical material (NLO) according to the formula KSrCO3F, wherein the NLO comprises at least one single crystal. A nonlinear optical material selected from the group consisting of KSrCO3F Rb3Ba3Li2Al4B6O20F and K3Sr3Li2Al4B6O20F.Type: GrantFiled: March 9, 2018Date of Patent: March 1, 2022Assignee: UNIVERSITY OF HOUSTON SYSTEMInventors: P. Shiv Halasyamani, Hongwei Yu, Hongping Wu, Weiguo Zhang
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Publication number: 20210263119Abstract: Systems and methods for generating an image of a subject using a magnetic resonance imaging (MRI) device may be provided. The method may include obtaining a radial sampling scheme including a plurality of radial lines that each pass through a center of k-space. The method may include selecting the plurality of radial lines of the radial sampling scheme. Each of the plurality of radial lines may be selected in a random and unrepeatable manner. The method may include acquiring k-space data along the selected radial lines. The method may include reconstructing at least one image of the subject based on the acquired k-space data.Type: ApplicationFiled: February 24, 2020Publication date: August 26, 2021Inventors: Jingyuan LYU, Yu DING, Xiaomao GONG, Qi LIU, Jian XU, Weiguo ZHANG
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Patent number: 11099252Abstract: The method for magnetic resonance imaging described in the present disclosure may include generating an inversion recovery image by scanning an object using an inversion recovery sequence. The method may also include generating a real part image corresponding to the inversion recovery image by processing the inversion recovery image. The method may also include obtaining a signal line of a reference image without inversion recovery, the reference image corresponding to the real part image. The method may also include determining a phase-corrected signal line of the reference image by performing a phase correction on the signal line of the reference image. The method may also include determining a polarity of the real part image based on the phase-corrected signal line of the reference image.Type: GrantFiled: October 9, 2015Date of Patent: August 24, 2021Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.Inventors: Baozhong Shen, Weiguo Zhang
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Patent number: 11085979Abstract: Systems and methods for generating an image of a subject using a magnetic resonance imaging (MRI) device may be provided. The method may include obtaining a radial sampling scheme including a plurality of radial lines that each pass through a center of k-space. The method may include selecting the plurality of radial lines of the radial sampling scheme. Each of the plurality of radial lines may be selected in a random and unrepeatable manner. The method may include acquiring k-space data along the selected radial lines. The method may include reconstructing at least one image of the subject based on the acquired k-space data.Type: GrantFiled: February 24, 2020Date of Patent: August 10, 2021Assignee: UIH AMERICA, INC.Inventors: Jingyuan Lyu, Yu Ding, Xiaomao Gong, Qi Liu, Jian Xu, Weiguo Zhang
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Publication number: 20210200058Abstract: A device comprising a nonlinear optical (NLO) material according to the formula XLi2Al4B6O20F. A device comprising a nonlinear optical material (NLO) according to the formula KSrCO3F, wherein the NLO comprises at least one single crystal. A nonlinear optical material selected from the group consisting of KSrCO3F Rb3Ba3Li2Al4B6O20F and K3Sr3Li2Al4B6O20F.Type: ApplicationFiled: March 9, 2018Publication date: July 1, 2021Applicant: University of Houston SystemInventors: P. Shiv Halasyamani, Hongwei Yu, Hongping Wu, Weiguo Zhang
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Publication number: 20210116527Abstract: The present disclosure provides a system for SMS MRI. During each of a plurality of frames, the system may cause an MRI scanner to apply a plurality of PE steps to each of a plurality of slice locations of a subject to acquire echo signals. A phase modulation magnetic field gradient may be applied during each of at least some of the PE steps in the frame. For each frame, the system may reconstruct an aliasing image representative of the slice locations in the frame based on the corresponding echo signals. The system may also generate a plurality of reference slice images based on the aliasing images. The system may further reconstruct at least one slice image based on the aliasing images and the reference slice images. Each of the slice image may be representative of one of the slice locations in one of the frames.Type: ApplicationFiled: October 21, 2019Publication date: April 22, 2021Applicant: UIH AMERICA, INC.Inventors: Yuan ZHENG, Lele ZHAO, Jian XU, Weiguo ZHANG
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Patent number: 10845443Abstract: A system and method for magnetic resonance imaging reconstruction using novel k-space sampling sequences is provided. The method includes dividing k-space into a plurality of regions along a dividing direction; scanning an object using a plurality of sampling sequences; acquiring a plurality of groups of data lines; filling the plurality of groups of data lines into the plurality of regions of the k-space; and reconstructing an image based on the filled k-space.Type: GrantFiled: July 11, 2019Date of Patent: November 24, 2020Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.Inventors: Renkuan Zhai, Guobin Li, Chaohong Wang, Zhaopeng Li, Weiguo Zhang
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Patent number: 10805031Abstract: The present invention relates to a method for constructing orthogonal sequence sets in a CDMA system, including: step a: selecting natural numbers m and k, m and k satisfying m=2k+4: step b: constructing a 5-spectral value vector Boolean function; step c: constructing 24 orthogonal sequence sets by using the 5-spectral value vector Boolean function; and step d: allocating the orthogonal sequence sets to cells, and causing that sequences in each of the cells are orthogonal with one another, and sequences in each of the cells and sequences in neighboring one of the cells are orthogonal with one another. The constructing method provided by the present invention can increase the number of users in cells, reduce the signal interferences of neighboring cells, and improves the communication quality consequently.Type: GrantFiled: December 27, 2018Date of Patent: October 13, 2020Assignee: XI'AN CREATION KEJI CO., LTD.Inventors: Weiguo Zhang, Yu Zuo
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Patent number: 10789049Abstract: The invention relates to the technical field of cooking, in particular to a recipe program code generation method and a recipe compiling cloud platform system. The recipe program code generation method comprises the following steps: firstly, establishing equipment attribute and control description terms which are associated with corresponding attributes or cooking motions of equipment and also associated with a description keyword term bank; then, selecting corresponding cooking equipment and inputting a literal description recipe; finally, analyzing description keywords in the literal recipe by compiling software and associating the description keywords with the equipment attribute and control description terms of the cooking equipment of the corresponding type, so that recipe program codes are generated.Type: GrantFiled: March 2, 2017Date of Patent: September 29, 2020Assignee: SHENZHEN YIJUYUN TECHNOLOGY CO., LTDInventors: Jingsheng Zhou, Weiguo Zhang
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Publication number: 20200241847Abstract: The invention relates to the technical field of cooking, in particular to a recipe program code generation method and a recipe compiling cloud platform system. The recipe program code generation method comprises the following steps: firstly, establishing equipment attribute and control description terms which are associated with corresponding attributes or cooking motions of equipment and also associated with a description keyword term bank; then, selecting corresponding cooking equipment and inputting a literal description recipe; finally, analyzing description keywords in the literal recipe by compiling software and associating the description keywords with the equipment attribute and control description terms of the cooking equipment of the corresponding type, so that recipe program codes are generated.Type: ApplicationFiled: March 2, 2017Publication date: July 30, 2020Applicant: SHENZHEN YIJUYUN TECHNOLOGY CO.,LTDInventors: Jingsheng ZHOU, Weiguo ZHANG
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Patent number: 10718846Abstract: A method and a system for measuring and calibrating an imaging magnetic field in a magnetic resonance apparatus are provided. The method includes: providing the imaging magnetic field, where the imaging magnetic field is adapted for scanning an object; sampling a signal corresponding to the imaging magnetic field; processing the signal to obtain an actual magnetic field intensity; and calibrating based on a difference between the actual magnetic field intensity and a target magnetic field intensity. The system includes: a magnetic component, adapted for scanning an object to be imaged; a sampling unit, adapted for sampling a signal corresponding to the imaging magnetic field; a processing unit, adapted for processing the signal to obtain an actual magnetic field intensity; a calibration unit, adapted for calibrating based on a difference between the actual magnetic field intensity and a target magnetic field intensity; and a control unit, adapted for controlling the system.Type: GrantFiled: May 20, 2019Date of Patent: July 21, 2020Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.Inventors: Kunyu Tsai, Weiguo Zhang, Qiang Zhang
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Patent number: 10715269Abstract: The present invention discloses a channel frequency spreading device for a CDMA system, including: an orthogonal sequence generating module, configured to generate orthogonal sequence sets; a storage module, connected to the orthogonal sequence generating module, and configured to store the orthogonal sequence sets; a control module, connected to the storage module, and configured to read available orthogonal sequences in the orthogonal sequence sets when receiving a user request control signal; and a channel machine, connected to the control module, and configured to receive user request data, and perform frequency spreading on the user request data according to the available orthogonal sequences and then output. The channel frequency spreading device for a CDMA system can improve the number of the sequences allocated by the cell, and solve the problem that the excessive users cannot communicate normally.Type: GrantFiled: December 26, 2018Date of Patent: July 14, 2020Assignee: XI'AN CREATION KEJI CO., LTD.Inventors: Weiguo Zhang, Jiawei Yan