Patents Assigned to UNIVERSITY OF SCIENCE AND TECHNOLOGY
  • Patent number: 11161276
    Abstract: Disclosed is a method of preparing a flexible deformable photonic crystal material for structural health monitoring, comprising the following steps: washing a grating master template; preparing and assembling a mold; obtaining an assembled mold by printing a three-dimensional mold comprising an upper die and a lower die by use of a 3D printing device and installing the grating master template on the three-dimensional mold; obtaining a polydimethylsiloxane (PDMS) one-dimensional photonic crystal film by replicating a one-dimensional grating structure of a surface of the grating master template by pouring PDMS into the assembled mold; finally, obtaining the PDMS one-dimensional photonic crystal film with a one-dimensional photonic crystal structure on a middle surface and protrusion structures at both ends by demolding, wherein the PDMS one-dimensional photonic crystal film is the flexible deformable photonic crystal material.
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: November 2, 2021
    Assignee: SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Qing Wang, Rui Zhang, Xu Zheng, Ning Wang
  • Publication number: 20210335013
    Abstract: A method for characterizing polarization image information and a method for computing characterization parameters are provided. The method includes: obtaining n polarized subimages of a polarization imaging target, wherein each polarized subimage corresponds to a different polarization angle and n?3; and computing a parameter matrix [ILP (x, y) INLP(x, y) ?(x, y)] of a polarization cosine characterization equation of all pixel points of the polarization imaging target according to all polarized subimages and the polarization cosine characterization equation of the polarization imaging target. The disclosure obtains a maximum polarization intensity image and a minimum polarization intensity image through computing multiple polarization intensity images, which improves the accuracy of polarization imaging, and the degree of accuracy is much higher than macroscopic accuracy.
    Type: Application
    Filed: March 25, 2021
    Publication date: October 28, 2021
    Applicant: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Donglin Ma, Yiming Yan
  • Publication number: 20210333778
    Abstract: The disclosure belongs to the technical field of powered drive devices, and discloses an acceleration control method for a load on a powered backpack based on a disturbance observer. The method includes: S1 setting the desired acceleration of the load on the powered backpack, presetting the initial motor drive current that regulates the movement of the load according to the desired acceleration, measuring the actual acceleration of the load; S2 establishing the disturbance observer for controlling acceleration the load on the powered backpack, using the disturbance observer to calculate the motor drive current that makes the actual acceleration of the load equal to the desired acceleration, so as to realize the acceleration control of the load on the powered backpack.
    Type: Application
    Filed: June 16, 2020
    Publication date: October 28, 2021
    Applicant: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Cai-Hua Xiong, Qin-Hao Zhang, Lei He, Chuang Liu, Wen-Bin Chen
  • Publication number: 20210332203
    Abstract: The disclosure discloses a preparation method and product of carbon fiber reinforced polymer composites with a designable characteristic structure. The method includes: (a) choosing carbon fabrics as raw material, where a predetermined number of the fabrics are selected to deposit the reinforcement phase; (b) coating all carbon fabrics with resin matrix, placing the fabrics layer by layer, where the carbon fabrics with the reinforcement phases are placed in a predetermined layer, meanwhile a micro power supply is placed in a setting layer during the stacking process, then a prefabricated product is obtained; (c) placing the prefabricated product in a vacuum bag then evacuating and sealing, hot pressing the sealed prefabricated product, finally the carbon fiber reinforced polymer composite product in the vacuum bag after hot pressing is successfully manufactured.
    Type: Application
    Filed: April 22, 2021
    Publication date: October 28, 2021
    Applicant: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Huamin Zhou, Helezi Zhou, Zhigao Huang, Fengjia Zhang, Yun Zhang, Yunming Wang, Dequn Li
  • Patent number: 11155514
    Abstract: A compound with anti-drug resistant bacteria activity having the following formula (I) is disclosed. A method of preparing the compound of formula (I) is also disclosed.
    Type: Grant
    Filed: December 19, 2020
    Date of Patent: October 26, 2021
    Assignee: SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Bin Tian, Juan Li, Nan Hui, Guaiping Qiao, Liang Xin, Jingyi Li, Dan Yang, Han Li, Yanjun Li, Liang Qi, Wenbo Yao, Chengyuan Liang
  • Patent number: 11159776
    Abstract: Aspects of the subject disclosure may include, for example, a device in which a processing system receives from a multimedia content server a plurality of content streams; each of the content streams includes a portion of an original content stream. The processing system transcodes the plurality of content streams based on a viewport prediction to produce a plurality of viewport streams; the viewport prediction is based at least in part on a visibility map associated with a viewer of the content. The processing system delivers each of the viewport streams to a client device associated with the viewer; each of the viewport streams is buffered at the client device in a separate buffer. Other embodiments are disclosed.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: October 26, 2021
    Assignees: AT&T INTELLECTUAL PROPERTY I, L.P., THE HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Bo Han, Wenxiao Zhang, Pan Hui, Tan Xu, Cheuk Yiu Ip
  • Patent number: 11156821
    Abstract: A high-illumination numerical aperture-based large field-of-view high-resolution microimaging device, and a method for iterative reconstruction, the device comprising an LED array (1), a stage (2), a condenser (3), a microscopic objective (5), a tube lens (6), and a camera (7), the LED array (1) being arranged on the forward focal plane of the condenser (3). Light emitted by the i-th lit LED unit (8) of the LED array (1) passes through the condenser (3) and converges to become parallel light illuminating a specimen (4) to be examined, which is placed on the stage (2); part of the diffracted light passing through the specimen (4) is collected by the microscopic objective (5), converged by the tube lens (6), and reaches the imaging plane of the camera (7), forming an intensity image recorded by the camera (1). The present device and method ensure controllable programming of the illumination direction, while also ensuring an illumination-numerical-aperture up to 1.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: October 26, 2021
    Assignee: NANJING UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Qian Chen, Chao Zuo, Jiasong Sun, Shijie Feng, Yuzhen Zhang, Guohua Gu
  • Patent number: 11158763
    Abstract: A dislocation-free GaN/InGaN-based nanowires-LED epitaxially grown on a transparent, electrically conductive template substrate. The simultaneous transparency and conductivity are provided by a thin, translucent metal contact integrated with a quartz substrate. The light transmission properties of the translucent metal contact are tunable during epitaxial growth of the nanowires LED. Transparent light emitting diodes (LED) devices, optical circuits, solar cells, touch screen displays, and integrated photonic circuits can be implemented using the current platform.
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: October 26, 2021
    Assignee: KING ABDULLAH UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Boon S. Ooi, Aditya Prabaswara, Bilal Janjua, Tien Khee Ng
  • Patent number: 11158048
    Abstract: The present disclosure discloses a CT lymph node detection system based on a spatial-temporal recurrent attention mechanism and specifically relates to the field of medical image analysis technologies. Based on a deep convolutional neural network and a recurrent attention mechanism, the present disclosure can construct an attention feature map adaptive to a lesion size in a slice direction and a spatial direction of a lymph node CT sequence.
    Type: Grant
    Filed: October 21, 2019
    Date of Patent: October 26, 2021
    Assignee: SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Haixin Peng, Yingran Ma, Yuanhong Wang, Yanjun Peng, Xinming Lu
  • Patent number: 11154951
    Abstract: The invention belongs to the field of additive manufacturing of amorphous alloy, and discloses a laser 3D printing forming system of amorphous alloy foil and a forming method thereof. The unnecessary material of the amorphous alloy foil is cut by a first laser and then the remaining portion is selectively scanned and heated by a second laser so that the amorphous alloy is heated to be in a superplastic state in the supercooled liquid region. Then, the amorphous alloy foil is rolled by a preheated roller in combination with the ultrasonic vibration to achieve interatomic bonding between layers of the amorphous alloy foil, and the amorphous alloy foil is then rapidly cooled, so that an amorphous alloy part with a large size, a complicated shape and a porous structure is formed.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: October 26, 2021
    Assignee: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Pan Gong, Fangwei Li, Xinyun Wang, Jianhua Mo, Lei Deng, Junsong Jin
  • Patent number: 11154567
    Abstract: A method for treatment of a liver disease, the method including administering kinsenoside to a patient in need thereof.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: October 26, 2021
    Assignee: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Yonghui Zhang, Ming Xiang, Tingting Liu
  • Publication number: 20210327505
    Abstract: The present invention discloses a computing array based on 1T1R device, operation circuits and operating methods thereof. The computing array has 1T1R arrays and a peripheral circuit; the 1T1R array is configured to achieve operation and storage of an operation result, and the peripheral circuit is configured to transmit data and control signals to control operation and storage processes of the 1T1R arrays; the operation circuits are respectively configured to implement a 1-bit full adder, a multi-bit step-by-step carry adder and optimization design thereof, a 2-bit data selector, a multi-bit carry select adder and a multi-bit pre-calculation adder; and in the operating method corresponding to the operation circuit, initialized resistance states of the 1T1R devices, word line input signals, bit line input signals and source line input signals are controlled to complete corresponding operation and storage processes.
    Type: Application
    Filed: June 7, 2018
    Publication date: October 21, 2021
    Applicant: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Yi LI, Zhuorui WANG, Xiangshui MIAO, Yaxiong ZHOU, Long CHENG
  • Publication number: 20210322336
    Abstract: A method for preparing albumin nanoparticles based on free radical oxidation, comprising the following steps: preparing albumin aqueous solution with an albumin concentration of 1-20 mg/mL; (2) whilst stirring, adding free radical generating agent to the albumin aqueous solution, and continuing to stir and react for 1-60 min at 15-50° C.; the free radicals generated by the free radical generating agent are used for oxidizing the albumin, and the oxidized albumin molecules assemble to form albumin nanoparticles that are mainly bonded by hydrophobic action, thereby obtaining an albumin nanoparticle suspension. The present invention implements improvement by means of the key reaction mechanism of the nanoparticle preparation method and the corresponding design of the finishing process and, compared to the prior art, can effectively solve the problems of the complexity, high cost, and high toxicity of preparing nanoparticles.
    Type: Application
    Filed: December 16, 2019
    Publication date: October 21, 2021
    Applicant: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Jiangling Wan, Han LUO, Jianyong SHENG, Xiangliang YANG
  • Publication number: 20210324116
    Abstract: A POSS modified polyacrylate fluorine-free waterproofing agent includes following components: 1-10 wt % of a functionalized POSS monomer, 2-20 wt % of methyl methacrylate, 3-26 wt % of butyl acrylate, 1-10 wt % of a long-chain acrylate monomer, 0.5-3.5 wt % of an initiator, 0.5-4 wt % of a reactive cationic emulsifier, and 50-80 wt % of deionized water. A method of preparing a POSS modified polyacrylate fluorine-free waterproofing agent is also disclosed.
    Type: Application
    Filed: March 9, 2021
    Publication date: October 21, 2021
    Applicant: SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Jianhua ZHOU, Lin WANG, Yan LI, Xiaoyu CHEN
  • Patent number: 11149527
    Abstract: A steeply-inclined ultra-thick coal seam gas control method based on a binary composite liquid. The method includes taking a clean fracturing fluid system and a microemulsion as a binary composite liquid. The method includes injecting the binary composite liquid into a coal mass by means of a main hydraulic fracturing and permeability improvement method of hydraulic fracturing and water jet slotting to form a coal mass gas extraction system of binary composite liquid fracturing and permeability improvement. The method includes investigating and analyzing a gas control effect of the steeply-inclined ultra-thick coal seam according to change characteristics and analysis of gas extraction flow rate, change characteristics and analysis of permeability coefficient of coal seam, change characteristics and analysis of gas natural desorption speed of coal mass, change characteristics and analysis of gas concentration of return air flow of working face and theoretical analysis of drilling cuttings index.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: October 19, 2021
    Assignee: SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Gang Wang, Jianqiang Chen, Lulu Sun, Kunlun Liu, Hao Xu, Sanlong Zheng, Xiangyu Tang, Zhiyuan Liu
  • Patent number: 11153124
    Abstract: A channel estimation method of a steel penetration system is configured to reduce computational complexity and required memory. The method includes: reconstructing, at a receiving end, a channel estimation with a compressed-sensing sparse reconstruction algorithm according to a received pilot signal to obtain estimation values of a channel state response of the steel penetration system; and equalizing a received signal of the receiving end according to the estimation values of the channel state response to obtain an equalized signal.
    Type: Grant
    Filed: July 9, 2020
    Date of Patent: October 19, 2021
    Assignee: UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
    Inventors: Tao Liu, Hongwei Zhang, Jiajia Liu
  • Patent number: 11150407
    Abstract: Structures for an optical coupler and methods of fabricating a structure for an optical coupler. A first waveguide core has a first tapered section and a second waveguide core has a second tapered section positioned adjacent to the first tapered section. The first tapered section has a first shape determined by a first non-linear function, and the second tapered section has a second shape determined by a second non-linear function.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: October 19, 2021
    Assignees: GLOBALFOUNDRIES U.S. INC., KHALIFA UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Yusheng Bian, Ajey Poovannummoottil Jacob, Sujith Chandran
  • Patent number: 11151904
    Abstract: Provided are a multi-functional stratigraphic structure model testing system and testing method. The system includes a test piece testing device platform that includes a watertight fan-shaped closed cavity, a fluid-solid coupling loading system, and an anti-arc reaction frame system. A coupling loading system region consist of hydraulic (liquid) loading and multi-directional solid-skeleton loading onto a pore or crack test piece, which can be independently operated or combined with each other's. The fan-shaped closed cavity is fixed through the anti-arc reaction frame system, and a fan-shaped center region is provided with an application region of underground working face. The other two flat fan sides are provided with application regions of physical and chemical improvement for surrounding rock.
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: October 19, 2021
    Assignees: UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING, CHINA RAILWAY TUNNEL CONSULTANTS CO., LTD., HEBEI ZHUCHENG INDUSTRIAL AND MINING MACHINERY CO., LTD.
    Inventors: Xiaomin Zhou, Yue Zhuo, Wenzhu Ma, Wei Li, Yan Xu, Yongsheng Liu, Xiaonan He, Yue Wang, Yongdai Wang, Shiwu Cai, Guijiang Wei, Xin Jiang, Zhiyuan Sha
  • Patent number: 11149154
    Abstract: A simple spray coating process can be utilized to create epoxy/HNT nanocomposites with vertically aligned nanotubes. Important mechanical properties such as modulus and hardness values can be optimized and enhanced by controlling the level of nanotube dispersion during processing and the final orientation of the nanotubes. Thus, a technologically relevant processing scheme can be used to fabricate HNT nanocomposites with a high level of control over nanotube alignment and the resulting mechanical properties.
    Type: Grant
    Filed: June 27, 2017
    Date of Patent: October 19, 2021
    Assignees: MASSACHUSETTS INSTITUTE OF TECHNOLOGY, KHALIFA UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Robert E. Cohen, Michael F. Rubner, Dayong Chen, Roberta Polak, Kenan Song, Khalid Askar
  • Publication number: 20210317318
    Abstract: A method for preparing carbon black from pyrolysis char of waste tires by a molten salt thermal treatment and a product thereof are provided. The method includes heating one or two groups of a metal chloride salt group and a metal sulfate group to obtain a molten salt; adding pyrolysis char of waste tires into the molten salt and subjecting same to a molten salt thermal treatment under a preset reaction atmosphere; after the reaction is complete, separating the reaction product to obtain a secondary molten salt and treated pyrolysis char, washing the treated pyrolysis char with hot water and then drying same so as to obtain carbon black, and at the same time, recycling the secondary molten salt.
    Type: Application
    Filed: May 15, 2020
    Publication date: October 14, 2021
    Applicant: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Hongyun HU, Hua TANG, Aijun LI, Kang XIE, Yuhan YANG, Fu YANG, Hong YAO