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51.
公开(公告)号:US20220105183A1
公开(公告)日:2022-04-07
申请号:US17296166
申请日:2019-11-14
Applicant: Qingdao University of Science and Technology
Inventor: Xianfeng ZHOU , Zhibo LI , Xueluer MU
IPC: A61K41/00 , A61K49/22 , A61P35/00 , C07D209/10 , C07D405/08
Abstract: A micro-nano structure formed by self-assembling a compound represented by formula (I), an isomer thereof, a pharmaceutically acceptable salt, a hydrate or a solvate in an aqueous solution, a preparation method for the micro-nano structure, and use thereof are described. The micro-nano structure has the advantages of having high photothermal conversion efficiency, good photothermal stability, good photothermal effect and photodynamic effect, being easily degraded, and having high safety, and can be passively targeted to tumor sites, having a broad prospect in the diagnosis and treatment of cancers and skin diseases.
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公开(公告)号:US20220017425A1
公开(公告)日:2022-01-20
申请号:US17488369
申请日:2021-09-29
Applicant: Qingdao University of Technology
Inventor: Ziguo WANG , Sheng WANG , Yuyan SUN , Guibin LIU , Qi YU , Xiaomei WAN
IPC: C04B35/628 , C04B35/76
Abstract: The present disclosure relates to an oxidation-induced shape memory fiber comprising a tension-bearing core material and/or a tension-bearing core material coated with an antioxidative coating, and an oxidizable pressure-bearing coating. The oxidizable pressure-bearing coating is coated outside the tension-bearing core material and/or the tension-bearing core material coated with an antioxidative coating; the oxidizable pressure-bearing coating is in compressive stress state and/or the tension-bearing core material coated with an antioxidative coating and the oxidizable pressure-bearing coating are in tension-compression balance state. The disclosure also relates to preparation and application thereof, the preparation is: reserving anchoring end, exerting tension force on tension-bearing core material and/or tension-bearing core material coated with an antioxidative coating, followed by coating oxidizable pressure-bearing coating thereon. The oxidation-induced shape memory fiber is applicable to high temperature oxidation environment.
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公开(公告)号:US20220010094A1
公开(公告)日:2022-01-13
申请号:US17369129
申请日:2021-07-07
Applicant: Qingdao University of Technology
Inventor: Zuquan JIN , Shaochun LI , Yongjuan GENG , Dongshuai HOU , Anjie ZHOU , Jun LIU
IPC: C08K3/28 , C08K5/5419 , C08K5/41 , C08K3/38 , C04B26/04
Abstract: A nano-silver dispersion and a preparation method thereof is disclosed. The method, includes: mixing γ-aminopropyltriethoxysilane, polyvinylpyrrolidone, sodium lauryl sulfate, silver nitrate and water, and conducting a chelation, to obtain a chelating dispersion, wherein before the mixing, the γ-aminopropyltriethoxysilane is exposed to the air for less than 5 min; and dropwise adding a sodium borohydride solution into the chelating dispersion, to obtain a mixture, and subjecting the mixture to an oxidation-reduction reaction, to obtain the nano-silver dispersion.
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54.
公开(公告)号:US11215719B2
公开(公告)日:2022-01-04
申请号:US17211891
申请日:2021-03-25
Applicant: QINGDAO UNIVERSITY OF TECHNOLOGY
Inventor: Wenfeng Liu , Zheng Zhou , Jianfeng Li
Abstract: A performance-level seismic motion hazard analysis method includes: (1) extracting seismic motion data and denoising the data; (2) extracting feature parameters from the data, and carrying out initialization; (3) generating a training set, an interval set and a test set; (4) training a multi-layer neural network based on the training set; (5) training output values of the neural network based on the interval set, and calculating a mean and a standard deviation of relative errors of the output values; (6) training the neural network based on the test set to determine output values, and calculating a magnitude interval based on an interval confidence; (7) carrying out probabilistic seismic hazard analysis to determine an annual exceeding probability and a return period of a performance-level seismic motion; and (8) determining a magnitude and an epicentral distance that reach the performance-level seismic motion based on the performance-level seismic motion and consistent probability.
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55.
公开(公告)号:US20210407708A1
公开(公告)日:2021-12-30
申请号:US16771392
申请日:2020-01-17
Applicant: QINGDAO UNIVERSITY OF TECHNOLOGY , QINGDAO 5D INTELLIGENT ADDITIVE MANUFACTURING TECHNOLOGY CO., LTD.
Inventor: Hongbo LAN , Xiaoyang ZHU , Quan XU , Jiawei ZHAO , Mingyang LIU
Abstract: A manufacturing method of an embedded metal mesh flexible transparent electrode and application thereof; the method includes: directly printing a metal mesh transparent electrode on a rigid substrate by using an electric-field-driven jet deposition micro-nano 3D printing technology; performing conductive treatment on a printed metal mesh structure through a sintering process to realize conductivity of the metal mesh; respectively heating a flexible transparent substrate and the rigid substrate to set temperatures; completely embedding the metal mesh structure on the rigid substrate into the flexible transparent substrate through a thermal imprinting process; and separating the metal mesh completely embedded into the flexible transparent substrate from the rigid substrate to obtain the embedded metal mesh flexible transparent electrode. The mass production of the large-size embedded metal mesh flexible transparent electrode with low cost and high throughput by combining the electric-field-driven jet deposition micro-nano 3D printing technology with the roll-to-plane thermal imprinting technology.
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公开(公告)号:US20210401025A1
公开(公告)日:2021-12-30
申请号:US16959607
申请日:2019-10-29
Applicant: QINGDAO UNIVERSITY OF TECHNOLOGY , XINJIANG JIANG NING LIGHT INDUSTRIAL MACHINERY ENGINEERING TECHNOLOGY CO., LTD.
Inventor: Changhe LI , Mingcun SHI , Yiping FENG , Yitian FENG , Zhenming JIA , Leilei ZHAO , Rong WANG , Yucheng WANG , Yanbin ZHANG , Ji CHE , Runze LI , Cai WANG , Min YANG , Yali HOU
IPC: A23N5/00
Abstract: A multi-station adaptive walnut shell pre-breaking system, including a feeding device and a shell pre-breaking device. The feeding device includes a feeding box, a single-helix twister and a double-helix twister are disposed in the feeding box, the single-helix twister and the double-helix twister rotate in opposite directions, and an adjustable spring partition is disposed below the single-helix twister and the double-helix twister; the shell pre-breaking device includes a shell pre-breaking box, a plurality of squeezing stations are provided in the shell pre-breaking box, each of the squeezing stations is provided with a shell pre-breaking assembly, the shell pre-breaking assembly includes a falling U-shaped plate and a squeezing U-shaped plate.
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57.
公开(公告)号:US20210363353A1
公开(公告)日:2021-11-25
申请号:US17392478
申请日:2021-08-03
Applicant: Qingdao University , Penglai Jiaxin Dye Chemical Co., LTD
Inventor: Changhai XU , Xiaoyan WANG , Liang HE , Mingtao QIU , Xinting ZHAO , Jinmei DU , Jinglin TANG
IPC: C09B29/033
Abstract: The disclosure relates to a method for improving the alkali resistance and oxidation resistance of a benzisothiazole disperse dye, and belongs to the technical field of textiles. In the disclosure, azo alkali-resistant disperse dyes with benzisothiazole as a diazo component are synthesized based on structural design of the dyes, the alkali resistance and oxygen bleaching resistance of the heterocyclic azo disperse dyes are improved by introducing different groups to a coupling component, a series of benzisothiazole disperse dyes having gradient differences in alkali resistance and oxidation resistance are obtained, disperse dyes capable of meeting requirements of a one-bath process for cotton bleaching and disperse dyeing of a polyester-cotton blended fabric or a one-bath process for alkali deweighting and disperse dyeing of polyester fabrics are determined, and a reference can be provided for structural design of disperse dyes with alkali resistance and oxidation resistance.
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公开(公告)号:US11169136B2
公开(公告)日:2021-11-09
申请号:US17049194
申请日:2019-11-25
Applicant: QINGDAO UNIVERSITY OF TECHNOLOGY
Inventor: Fanxiu Chen , Bin Zhang , Pengfei Guo , Zuquan Jin
Abstract: A method for measuring corrosion-expansion force during cracking of concrete due to corrosion and expansion of reinforcing steel; wherein, deformation on a surface of reinforced concrete is photographed based on a digital image correlation (DIC) method, a full-field displacement and a full-field strain on a surface of the concrete are analyzed and calculated, a relationship between corrosion-expansion force and the strain on the surface of the concrete is found through an established theoretical model, and corrosion-expansion force of reinforcing steel and a change rule of the corrosion-expansion force are calculated. Therefore, the method is simple and includes with safe and reliable operations, scientific principles, and low costs, so that a change in corrosion-expansion force during corrosion and expansion of reinforced concrete can be monitored in real time.
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公开(公告)号:US20210339426A1
公开(公告)日:2021-11-04
申请号:US17281895
申请日:2019-10-30
Inventor: Changhe LI , Baoteng HUANG , Han ZHAI , Bingheng LU , Huajun CAO , Zhen WANG , Naiqing ZHANG , Min YANG , Yanbin ZHANG , Yali HOU , Runze LI , Xin CUI , Mingzheng LIU , Teng GAO , Xiaoming WANG
Abstract: A production line of a CA abrasive, including: a belt mold, the belt mold being provided with a cavity; a transmission device, configured to drive the belt mold to run; a slurry coating mechanism, configured to coat a slurry on a surface and into the cavity of the belt mold; a slurry scraping mechanism, configured to scrap the slurry coated on the surface of the belt mold into the cavity; a drying mechanism, configured to dry the belt mold so that the slurry is dried and precipitated into abrasive grains; a separation mechanism, arranged below the drying mechanism and configured to shake down the abrasive grains in the cavity of the belt mold by vibrating; a sweeping mechanism, configured to sweep slurry fragments of the belt mold after separation; and a release agent coating mechanism, configured to spray a release agent to the swept belt mold.
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公开(公告)号:US11165367B2
公开(公告)日:2021-11-02
申请号:US16622281
申请日:2018-12-06
Applicant: Qingdao University
Inventor: Daolian Chen
IPC: H02M7/5387 , H02J3/38 , H02M1/14
Abstract: A single-stage three-phase voltage source inverter circuit structure with a cascaded magnetic integrated switching inductor-capacitor network includes an input DC power supply, a magnetic integrated switching inductor-capacitor network, a three-phase inverter bridge, a three-phase filter, a three-phase AC load or a three-phase AC grid successively connected in cascade. The magnetic integrated switching inductor-capacitor network includes an energy storage inductor, and two identical SLCC type two-port switching inductor-capacitor network units which are successively connected in cascade and connected in series. A magnetic integration structure of the three energy storage inductors is configured to have magnetic coupling of the three inductors, magnetic decoupling of the three inductors, or magnetic coupling of each inductor with the other two inductors, which are respectively realized by an EE type magnetic core, a four-leg type magnetic core, and an EE type magnetic core.
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