Patents by Inventor Aijun Yang
Aijun Yang 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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Publication number: 20240150300Abstract: The present invention relates to an S-configuration-containing amino benzamide pyridazinone compound, a preparation method therefor, and a pharmaceutical composition and application thereof. Specifically, the present invention relates to a compound represented by the following general formula I or a pharmaceutically acceptable salt thereof, a preparation method therefor, and a pharmaceutical composition and application thereof. The S-configuration compound of the present application has very strong binding activity on class I histone deacetylase (HDAC1), and shows inhibitory activity on in-vitro proliferation of various tumor cells.Type: ApplicationFiled: February 18, 2022Publication date: May 9, 2024Inventors: Youhong HU, Meiyu GENG, Daqiang LI, Aijun SHEN, Zhuo ZHANG, Yalei LI, Huajie YANG, Hongchun LIU, Hanyue ZHONG, Jian DING
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Patent number: 11975099Abstract: The present invention relates to an ethanol foam sclerosing agent for vascular anomalies and a preparation method thereof. The ethanol foam sclerosing agent includes absolute ethanol, water, Tween 80 and a stabilizer. The ethanol foam sclerosing agent further includes hyaluronic acid. The mass composition of the ethanol foam sclerosing agent includes 32-42% of absolute ethanol, 0.5-2% of Tween 80, 0-25% (excluding 0) of egg yolk lecithin, 0-2% (excluding 0) of hyaluronic acid, and the balance of water. The stabilizer is hyaluronic acid or glycerin. Foam is prepared by the Tessari method. While the original therapeutic effect of ethanol is not changed, the side effect of the ethanol is significantly reduced.Type: GrantFiled: December 11, 2019Date of Patent: May 7, 2024Assignee: QILU HOSPITAL OF SHANDONG UNIVERSITYInventors: Shaohua Liu, Hanshu Zhang, Aijun Yang, Yiran Liu
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Patent number: 11926742Abstract: 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: GrantFiled: May 15, 2020Date of Patent: March 12, 2024Assignee: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Hongyun Hu, Hua Tang, Aijun Li, Kang Xie, Yuhan Yang, Fu Yang, Hong Yao
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Publication number: 20230243740Abstract: Disclosed are an online vacuum degree detection system and method based on single-fiber laser-induced breakdown spectroscopy. In the system, a laser device generates laser that excites the laser through fiber induced breakdown spectroscopy; a fiber coupler couples and injects the laser; a single fiber is connected to the fiber coupler to transmit the laser; one end of an LIBS probe is connected to the single fiber, and the other end of the LIBS probe extends into a vacuum arc-extinguishing chamber; the laser is induced by the LIBS probe to generate plasma, and the plasma is subjected to self-emission imaging and enters the fiber coupler via the LIBS probe; a dichroscope is arranged on the fiber coupler to separate the laser from the plasma; a processor is connected to a camera and a spectrometer.Type: ApplicationFiled: August 10, 2022Publication date: August 3, 2023Inventors: Mingzhe RONG, Jiaqi LIU, Feilong ZHANG, Wei KE, Minyuan CHEN, Huan YUAN, Aijun YANG, Dingxin LIU, Xiaohua WANG
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Publication number: 20230178316Abstract: The disclosure discloses an optical path system for detecting a vacuum degree of a vacuum switch and a method thereof.Type: ApplicationFiled: July 13, 2022Publication date: June 8, 2023Inventors: Xiaohua WANG, Wei KE, Aijun YANG, Huan YUAN, Dingxin LIU, Mingzhe RONG
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Publication number: 20230179018Abstract: Disclosed are an electromagnetic induction type magnetic energy collector based on capacitive energy storage and a power improvement method. A main energy acquisition coil is sleeved in a main circuit to collect magnetic field energy, and a detection coil is sleeved in the main circuit to generate a sinusoidal signal for detecting zero crossing of a primary current; a switch group S2 and a switch group S1 are alternately turned on and off, a first rectifier bridge is connected to the switch group S2 and the switch group S1, and a comparator circuit is connected to the detection coil to compare the sinusoidal signal and convert the sinusoidal signal into a zero-crossing square wave signal; and a control module is connected to the comparator circuit, determines the zero crossing of the primary current based on the zero-crossing square wave signal.Type: ApplicationFiled: July 13, 2022Publication date: June 8, 2023Inventors: Aijun YANG, Xiaohua WANG, Mingzhe RONG, Zhu LIU, Pengbo ZHAO, Kai YE, Huan YUAN
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Patent number: 11635403Abstract: The invention discloses a method for measuring a semiconductor gas sensor based on virtual alternating current impedance. The method comprises: combining measurement parameters of virtual measurement frequencies in a first predetermined range and virtual parallel capacitance values in a second predetermined range, and measuring gas with known concentrations at each characteristic quantity among nine characteristic quantities in the case of each combination; obtaining multiple characteristic values corresponding to the same gas concentration at each characteristic quantity after traversing all parameter combinations and all nine characteristic quantities; and selecting virtual measurement frequencies in a third range, virtual parallel capacitance values in a fourth range and one or several corresponding characteristic quantities as the finally selected measurement parameters for measuring the unknown gas concentration.Type: GrantFiled: May 11, 2021Date of Patent: April 25, 2023Assignee: XI'AN JIAOTONG UNIVERSITYInventors: Aijun Yang, Dawei Wang, Xiaohua Wang, Mingzhe Rong, Jianbin Pan, Xianbo Huang, Jifeng Chu, Huan Yuan
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Patent number: 11630074Abstract: The present invention discloses a measuring method for a semiconductor gas sensor based on alternating-current impedance. The method includes the steps: connecting the semiconductor gas sensor to a capacitor in parallel, connecting an alternating-current impedance measuring device to the semiconductor gas sensor and the capacitor, combining measuring parameters under measuring frequencies within a first preset range and parallel capacitance values within a second preset range, and measuring a gas with a known concentration according to each of nine features under each combination; traversing all parameter combinations and all the nine features to obtain a plurality of feature values corresponding to the same gas concentration under each feature; and selecting measuring frequencies within a third range, parallel capacitance values within a fourth range and a certain or several of the corresponding features as measuring parameters finally selected for measuring an unknown gas concentration.Type: GrantFiled: May 11, 2021Date of Patent: April 18, 2023Assignee: XI'AN JIAOTONG UNIVERSITYInventors: Xiaohua Wang, Dawei Wang, Aijun Yang, Mingzhe Rong, Jianbin Pan, Xianbo Huang, Jifeng Chu, Huan Yuan
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Patent number: 11525797Abstract: Embodiments of the present disclosure relate to a method for detecting an air discharge decomposed product based on a virtual sensor array, comprising: fabricating a virtual sensor array; disposing the virtual sensor array in a hermetically sealed gas chamber, energizing, and initializing; performing gas-sensitive testing to the virtual sensor array and storing a testing result as samples to store; and building a convolutional neural network model diagram for identifying contents of gas components, and identifying an atmosphere. The virtual sensor array fabricated by the present disclosure may reduce the array size and the overall volume of a device to an extreme content; the built convolutional neural network may dig other feature information besides a response value from a response curve of a sensor, thereby effectively improving identification efficiency and identification accuracy.Type: GrantFiled: January 30, 2019Date of Patent: December 13, 2022Assignee: Xi'an Jiaotong UniversityInventors: Mingzhe Rong, Aijun Yang, Xiaohua Wang, Jifeng Chu
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Publication number: 20220178865Abstract: The present invention discloses a measuring method for a semiconductor gas sensor based on alternating-current impedance. The method includes the steps: connecting the semiconductor gas sensor to a capacitor in parallel, connecting an alternating-current impedance measuring device to the semiconductor gas sensor and the capacitor, combining measuring parameters under measuring frequencies within a first preset range and parallel capacitance values within a second preset range, and measuring a gas with a known concentration according to each of nine features under each combination; traversing all parameter combinations and all the nine features to obtain a plurality of feature values corresponding to the same gas concentration under each feature; and selecting measuring frequencies within a third range, parallel capacitance values within a fourth range and a certain or several of the corresponding features as measuring parameters finally selected for measuring an unknown gas concentration.Type: ApplicationFiled: May 11, 2021Publication date: June 9, 2022Inventors: Xiaohua WANG, Dawei WANG, Aijun YANG, Mingzhe RONG, Jianbin PAN, Xianbo HUANG, Jifeng CHU, Huan YUAN
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Publication number: 20220178866Abstract: The invention discloses a method for measuring a semiconductor gas sensor based on virtual alternating current impedance. The method comprises: combining measurement parameters of virtual measurement frequencies in a first predetermined range and virtual parallel capacitance values in a second predetermined range, and measuring gas with known concentrations at each characteristic quantity among nine characteristic quantities in the case of each combination; obtaining multiple characteristic values corresponding to the same gas concentration at each characteristic quantity after traversing all parameter combinations and all nine characteristic quantities; and selecting virtual measurement frequencies in a third range, virtual parallel capacitance values in a fourth range and one or several corresponding characteristic quantities as the finally selected measurement parameters for measuring the unknown gas concentration.Type: ApplicationFiled: May 11, 2021Publication date: June 9, 2022Inventors: Aijun YANG, Dawei WANG, Xiaohua WANG, Mingzhe RONG, Jianbin PAN, Xianbo HUANG, Jifeng CHU, Huan YUAN
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Publication number: 20220023210Abstract: The present invention relates to an ethanol foam sclerosing agent for vascular anomalies and a preparation method thereof. The ethanol foam sclerosing agent includes absolute ethanol, water, Tween 80 and a stabilizer. The ethanol foam sclerosing agent further includes hyaluronic acid. The mass composition of the ethanol foam sclerosing agent includes 32-42% of absolute ethanol, 0.5-2% of Tween 80, 0-25% (excluding 0) of egg yolk lecithin, 0-2% (excluding 0) of hyaluronic acid, and the balance of water. The stabilizer is hyaluronic acid or glycerin. Foam is prepared by the Tessari method. While the original therapeutic effect of ethanol is not changed, the side effect of the ethanol is significantly reduced.Type: ApplicationFiled: December 11, 2019Publication date: January 27, 2022Applicant: QILU HOSPITAL OF SHANDONG UNIVERSITYInventors: Shaohua LIU, Hanshu ZHANG, Aijun YANG, Yiran LIU
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Patent number: 11099079Abstract: The present disclosure discloses a device for monitoring electrical equipment for electrical contact overheating, which comprises a gas collection device, a gas detection device, a data processing device, a data storage device and a display and early warning device. The present disclosure further discloses a method for monitoring electrical equipment for electrical contact overheating. The present disclosure can provide a basis for the evaluation and early warning of electrical contact overheating of electrical equipment based on the analysis of the thermally decomposed characteristic gases of the electrical joint compound, and has the characteristics of no space limitation, no need for a large number of layout points, high accuracy, simple structure and easy operation.Type: GrantFiled: January 29, 2019Date of Patent: August 24, 2021Assignee: XI'AN JIAOTONG UNIVERSITYInventors: Aijun Yang, Mingzhe Rong, Xiaohua Wang, Yang Liu, Xiong Liu
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Publication number: 20200240940Abstract: Embodiments of the present disclosure relate to a method for detecting an air discharge decomposed product based on a virtual sensor array, comprising: fabricating a virtual sensor array; disposing the virtual sensor array in a hermetically sealed gas chamber, energizing, and initializing; performing gas-sensitive testing to the virtual sensor array and storing a testing result as samples to store; and building a convolutional neural network model diagram for identifying contents of gas components, and identifying an atmosphere. The virtual sensor array fabricated by the present disclosure may reduce the array size and the overall volume of a device to an extreme content; the built convolutional neural network may dig other feature information besides a response value from a response curve of a sensor, thereby effectively improving identification efficiency and identification accuracy.Type: ApplicationFiled: January 30, 2019Publication date: July 30, 2020Inventors: Mingzhe Rong, Aijun Yang, Xiaohua Wang, Jifeng Chu
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Publication number: 20200116572Abstract: The present disclosure discloses a device for monitoring electrical equipment for electrical contact overheating, which comprises a gas collection device, a gas detection device, a data processing device, a data storage device and a display and early warning device. The present disclosure further discloses a method for monitoring electrical equipment for electrical contact overheating. The present disclosure can provide a basis for the evaluation and early warning of electrical contact overheating of electrical equipment based on the analysis of the thermally decomposed characteristic gases of the electrical joint compound, and has the characteristics of no space limitation, no need for a large number of layout points, high accuracy, simple structure and easy operation.Type: ApplicationFiled: January 29, 2019Publication date: April 16, 2020Inventors: Aijun YANG, Mingzhe RONG, Xiaohua WANG, Yang LIU, Xiong LIU
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Publication number: 20170261436Abstract: The present disclosure provides a method and apparatus for power equipment online monitoring, intended to solve technical difficulties in power equipment online monitoring. The technology of the present disclosure lies in focusing laser to a to-be-detected substance inside and/or at a surface of the power equipment, generating a plasma by laser induction at the to-be-tested substance, quantitatively analyzing constituents and content of the to-be-detected substance by measuring the spectrum of the plasma, so as to determine a series of phenomena such as aging during running process of power equipment, chemical reaction state, surface absorption, deposition of electrically discharging product, vacuum leakage, trace moisture measurement, solid solution, liquid solution, gas solution and the like, thereby achieving the objective of online monitoring the power equipment.Type: ApplicationFiled: May 18, 2016Publication date: September 14, 2017Applicant: XI'AN JIAOTONG UNIVERSITYInventors: Xiaohua WANG, Dingxin LIU, Huan YUAN, Mingzhe Rong, Aijun YANG, Yi WU
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Patent number: 7622416Abstract: The present invention discloses a hydrogenation catalyst comprising metallic palladium supported on activated carbon support, wherein the penetration depth of metallic palladium in the support is at least about 10 ?m and up to about 100 ?m, the crystallite size of palladium is between about 40 ? and about 120 ?, and the palladium in the surface layer from the surface of support to a depth of 1 ?m is from about 5% to about 40% based on the total atom number of palladium and other elements. The present invention further discloses a process for preparing the hydrogenation catalyst, and a use of said hydrogenation catalyst in the purification of crude terephthalic acid.Type: GrantFiled: December 21, 2005Date of Patent: November 24, 2009Assignees: China Petrochemical Corporation, Research Institute of Nanjing Chemical Industry GroupInventors: Chaolin Zhang, Zheng Chu, Wei Huang, Aijun Yang, Miao Xue, Hanqiang Jin
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Publication number: 20060154810Abstract: The present invention discloses a hydrogenation catalyst comprising metallic palladium supported on activated carbon support, wherein the penetration depth of metallic palladium in the support is at least about 10 ?m and up to about 100 ?m, the crystallite size of palladium is between about 40 ? and about 120 ?, and the palladium in the surface layer from the surface of support to a depth of 1 ?m is from about 5% to about 40% based on the total atom number of palladium and other elements. The present invention further discloses a process for preparing the hydrogenation catalyst, and a use of said hydrogenation catalyst in the purification of crude terephthalic acid.Type: ApplicationFiled: December 21, 2005Publication date: July 13, 2006Inventors: Chaolin Zhang, Zheng Chu, Wei Huang, Aijun Yang, Miao Xue, Hanqiang Jin