Patents Assigned to LANZHOU UNIVERSITY
  • Patent number: 11953416
    Abstract: The present disclosure relates to the field of environment monitoring equipment, and in particular, to a device for determining threshold wind speed in intermittent wind-sand flow. The device includes a base. A rotary bearing is installed on the base. A circuitry is installed in the base. A telescopic rod is installed through the rotary bearing. A wind driven vane and an earth surface wind-sand monitoring frame are installed on the telescopic rod. Photoelectric induction probes are installed on the earth surface wind-sand monitoring frame.
    Type: Grant
    Filed: April 20, 2022
    Date of Patent: April 9, 2024
    Assignee: Lanzhou University
    Inventors: Jie Zhang, Jianyong Xie, Ao Li, Yanhong Song, Lihang Xu, Ning Huang
  • Patent number: 11854717
    Abstract: The present disclosure relates to a method for preparing high-temperature superconducting yttrium barium copper oxide (YBCO) wire by 3D-printing, this method is divided into the following four steps: firstly, preparing a nano-level superconducting powder precursor; and then, preparing a printing paste with suitable viscosity and supporting characteristics; after that, using a CAD 3D modeling, exporting STL format model data and slicing by a professional software; implementing one-step preparing strands with low AC loss by twisting the print nozzle. Finally, the printed twisted wire is formed into a practical superconducting twisted cable through the processes such as plastic removal process, crystallizing process, oxygen supplementing process and assembling process in order. The present disclosure firstly provides an application for applying high temperature superconducting material to direct ink writing 3D-printing technology.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: December 26, 2023
    Assignee: LANZHOU UNIVERSITY
    Inventors: Xingyi Zhang, Baoqiang Zhang, Qiangqiang Zhang, Cong Liu, Huadong Yong, Youhe Zhou
  • Patent number: 11814705
    Abstract: An Inconel 625 alloy with high aluminum content and a preparation method thereof are provided. The alloy includes following components by mass percentage: chromium 5˜13%, ferrum 5%, niobium 4.15%, molybdenum 10%, aluminum 5˜9% and a rest is nickel. The preparation method includes: step (1): weighing reactive materials according to a preset ratio and putting the reactive materials into a planetary ball miller for ball milling; step (2): pressing the ball milled reactive materials into a cake-shaped slab; step (3) putting the cake-shaped slab into a reactor and putting an igniter on the cake-shaped slab, then adding the reactor with protective gas, heating up until a self-propagating reaction occurs in the reactor, thereby obtaining a base alloy; step (4): performing secondary smelting on the base alloy to obtain an ingot; step (5): performing a solution treatment on the ingot to obtain the Inconel 625 alloy with high aluminum content.
    Type: Grant
    Filed: November 18, 2022
    Date of Patent: November 14, 2023
    Assignee: Lanzhou University of Technology
    Inventors: Peiqing La, Mingchen Du, Jing Jin, Penghui Yang, Jie Sheng, Haicun Yu, Yunteng Gao, Linlin Du, Zemin Bai
  • Patent number: 11744818
    Abstract: Some embodiments of the disclosure provide new uses of trans-1,3-dilinolein as medicaments and food. In an embodiment, an application of trans-1,3-dilinolein in the preparation of stomachic tonic and an application thereof include the preparation of medicaments for treating gastric cancer. Cell experiments show that trans-1,3-dilinolein promotes the proliferation of human gastric mucosal epithelial cell line GES-1 under normal oxygen and hypoxic conditions and it has concentration-dependent killing effect on human gastric cancer cell line HGC-27 and killing effect on hypoxic gastric cancer cells. At a concentration of 300 ?m and more, trans-1,3-dilinolein kills gastric cancer cells significantly and the killing effect becomes more significant under hypoxic conditions.
    Type: Grant
    Filed: October 14, 2021
    Date of Patent: September 5, 2023
    Assignee: Lanzhou University
    Inventors: Jianye Dai, Zheng Jin, Ruyun Ma, Yanning Zhu
  • Publication number: 20230168170
    Abstract: The present disclosure relates to the field of environment monitoring equipment, and in particular, to a device for determining threshold wind speed in intermittent wind-sand flow. The device includes a base. A rotary bearing is installed on the base. A case group is installed in the base. A telescopic rod is installed through the rotary bearing. A wind driven beacon and an earth surface wind sand monitoring frame are installed on the telescopic rod. Photoelectric induction probes are installed on the earth surface wind sand monitoring frame.
    Type: Application
    Filed: April 20, 2022
    Publication date: June 1, 2023
    Applicant: Lanzhou University
    Inventors: Jie ZHANG, Jianyong XIE, Ao LI, Yanhong SONG, Lihang XU, Ning HUANG
  • Patent number: 11655195
    Abstract: A prepared method of arginine chelated selenium foliar fertilizer which is benefit for improving herbage seed yield is provided. The prepared foliar fertilizer is conducive to significantly promote the yields of herbage and seeds. The weight and diameter of the seeds and the contents of fat, polysaccharide, isoflavone and selenium contained in the herbage seeds have increased obviously. Seed is the chip of agriculture. High yield and quality of herbage seeds provide a good basis for forage production, which not only develops livestock industry, but also plays an important role in protecting ecological environment.
    Type: Grant
    Filed: October 21, 2022
    Date of Patent: May 23, 2023
    Assignee: LANZHOU UNIVERSITY
    Inventor: Quan Liu
  • Patent number: 11536609
    Abstract: The present invention discloses a multi-excitation wavelength spectrometer fluorescence laser radar system, including a multi-wavelength laser emission system, a signal frequency division system and a data storage and display system. The present invention emits lasers with a plurality of wavelengths into the atmosphere simultaneously to alternately excite an organic matter in atmospheric particulate matters and obtain a fluorescence spectrum. The lasers with different wavelengths can excite the same organic matter to obtain different spectra. By analyzing a matrix diagram of each excitation and emission fluorescence spectrum, the present invention effectively explores the features of compositions and concentration of the organic matter in the atmospheric particulate matters.
    Type: Grant
    Filed: January 5, 2021
    Date of Patent: December 27, 2022
    Assignee: LANZHOU UNIVERSITY
    Inventors: Zhongwei Huang, Jianping Huang, Wuren Li, Ze Li, Jianrong Bi, Jinsen Shi
  • Patent number: 11459369
    Abstract: Disclosed is a fusion protein for ?-Melanocyte stimulating hormone, the fusion protein containing a protein transduction domain (PTD), a human serum albumin (HSA) and an ?-Melanocyte stimulating hormone (?-MSH). Also disclosed are a method for preparing the fusion protein and a use thereof for inhibiting or treating central nervous system inflammations.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: October 4, 2022
    Assignee: LANZHOU UNIVERSITY
    Inventors: Hongyu Li, Meizhu Wang, Dejuan Zhi, Yang Li, Na Wang, Yiyao Liu, Yuejuan Pei, Meijuan Song, Yang Yang
  • Publication number: 20220218645
    Abstract: Some embodiments of the disclosure provide new uses of trans-1,3-dilinolein as medicaments and food. In an embodiment, an application of trans-1,3-dilinolein in the preparation of stomachic tonic and an application thereof include the preparation of medicaments for treating gastric cancer. Cell experiments show that trans-1,3-dilinolein promotes the proliferation of human gastric mucosal epithelial cell line GES-1 under normal oxygen and hypoxic conditions and it has concentration-dependent killing effect on human gastric cancer cell line HGC-27 and killing effect on hypoxic gastric cancer cells. At a concentration of 300 ?m and more, trans-1,3-dilinolein kills gastric cancer cells significantly and the killing effect becomes more significant under hypoxic conditions.
    Type: Application
    Filed: October 14, 2021
    Publication date: July 14, 2022
    Applicant: Lanzhou University
    Inventors: Jianye Dai, Zheng Jin, Ruyun Ma, Yanning Zhu
  • Patent number: 11166362
    Abstract: The present invention discloses a compact integrated deuterium-deuterium (D-D) neutron generator. A hemispherical metal head is disposed inside a cylindrical ceramic shell of the generator and is provided therein with an ion source and an ion source power supply. An inner ceramic insulated cylinder and an outer ceramic insulated cylinder are disposed between a metal plate of the metal head and a baseplate of the generator, and an isolated power supply system and a high-voltage power supply are disposed between the inner ceramic insulated cylinder and the outer ceramic insulated cylinder. A rear end of an extraction accelerating electrode disposed inside the inner ceramic insulated cylinder protrudes from the generator and is then connected to a target holder disposed outside the baseplate. A target is disposed inside the target holder, the target is at ground potential, and a cooling water interface is disposed on the target holder.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: November 2, 2021
    Assignee: Lanzhou University
    Inventors: Zhanwen Ma, Ze'en Yao, Yu Zhang, Zhiwu Huang, Junrun Wang, Xiaolong Lu, Zheng Wei
  • Publication number: 20200296880
    Abstract: A planting method of grass-white clover grassland includes the follows steps: (1) plowing and broadcasting Vicia villosa from July to August in a first year, applying a first base fertilizer, harvesting the Vicia villosa from December of the first year to March of a second year; (2) plowing and drilling corn from April to May of the second year, applying a second base fertilizer, weeding in a stage of 5 leaves of the corn, topdressing in a stage of 7-9 true leaves of the corn, and harvesting the corn in September of the second year; (3) plowing and drilling a grass from September to October of the second year, and applying a third base fertilizer; (4) not plowing but broadcasting white clover from May to June of a third year, applying a fourth base fertilizer, completing the planting.
    Type: Application
    Filed: November 25, 2019
    Publication date: September 24, 2020
    Applicant: LANZHOU UNIVERSITY
    Inventors: Yingwen Yu, Tinghua Hu, Wen Wang, Zhen Xu, Wenya Mao
  • Patent number: 10739495
    Abstract: A cloud water resource detecting system and method, the system includes computing device, and Raman lidar, microwave radiometer, millimeter wave cloud radar, wind profile radar and Doppler wind lidar in communication connection with the computing device. The Raman lidar and the microwave radiometer are configured to obtain temperature and humidity data of a cloud system. The millimeter wave cloud radar and the microwave radiometer are configured to obtain cloud water content profiles. The wind profile radar is configured to obtain a horizontal wind speed of the cloud system. The Doppler wind lidar is configured to obtain the vertical motion speed of a cloud bottom. The computing device is configured to calculate the total amount of cloud water according to the temperature and humidity data of the cloud system, the cloud water content profiles, the horizontal wind speed of the cloud system and the vertical motion speed of the cloud bottom.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: August 11, 2020
    Assignees: Xi'an University of Technology, Lanzhou University
    Inventors: Dengxin Hua, Lei Zhang, Fei Gao, Jun Wang, Huige Di, Zhongwei Huang, Tingyao He, Qing Yan, Wenhui Xin, Xianjie Cao, Yufeng Wang, Li Wang, Tian Zhou, Yan Li
  • Patent number: 10226500
    Abstract: Disclosed is a use of the Chinese medicine composition and Dianxianning in the preparation of a medicament for preventing or treating Alzheimer's disease. As indicated by the experiments, the Chinese medicine composition and Dianxianning have a significant inhibiting effect on palsy phenotype in pathological models of animals with Alzheimer's disease, and this indicates that the Chinese medicine composition and Dianxianning can be used to prevent or treat Alzheimer's disease.
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: March 12, 2019
    Assignee: Lanzhou University
    Inventors: Hongyu Li, Dong Wang, Dejuan Zhi, Yang Li, Yinghui Li, Xiaoyu Chen
  • Patent number: 10101375
    Abstract: The separated particle charge multivariate analysis instrument includes a transparent sealed container and, inside the transparent sealed container, an axial fan, a tube carrier plate, a rail board, double screw shafts, a biaxial motor, parallel electrode plates and so on. The separated particle charge multivariate analysis instrument of the present invention measures out the charge amount of the particle after leaving the particle bed by simulating a controllable environmental factor in the transparent sealed container on the basis of the inner tube, the outer tube, the electrometer and the charge amount of the particle entering into the inner tube at the measurement site, and analyzes effects of environmental factors, particle physical parameters and geometric parameters to the charge by adjusting environmental variables in the transparent sealed container.
    Type: Grant
    Filed: January 9, 2015
    Date of Patent: October 16, 2018
    Assignee: LANZHOU UNIVERSITY
    Inventors: Li Xie, Kui Han
  • Publication number: 20170157192
    Abstract: Disclosed is a use of the Chinese medicine composition and Dianxianning in the preparation of a medicament for preventing or treating Alzheimer's disease. As indicated by the experiments, the Chinese medicine composition and Dianxianning have a significant inhibiting effect on palsy phenotype in pathological models of animals with Alzheimer's disease, and this indicates that the Chinese medicine composition and Dianxianning can be used to prevent or treat Alzheimer's disease.
    Type: Application
    Filed: December 23, 2016
    Publication date: June 8, 2017
    Applicant: Lanzhou University
    Inventors: Hongyu Li, Dong Wang, Dejuan Zhi, Yang Li, Yinghui Li, Xiaoyu Chen
  • Patent number: 9500769
    Abstract: A monitoring system for turbulence of the atmospheric boundary layer under a wind drift sand flow environment includes: a meteorological tower, a hot-wire bracket and a plurality of observation frames, which are vertically and cooperatively arranged in parallel. The hot-wire bracket is arranged close to the meteorological tower, and the plurality of observation frames are symmetrically distributed on the two sides of a region formed by the meteorological tower and the hot-wire bracket. The meteorological tower is cooperatively provided thereon with a first group of experimental instruments for measurements; the hot-wire bracket is cooperatively provided thereon with a hot-wire probe assembly; and each observation frame is cooperatively provided thereon with a second group of experimental instruments for measurements.
    Type: Grant
    Filed: November 28, 2012
    Date of Patent: November 22, 2016
    Assignees: LANZHOU UNIVERSITY
    Inventors: Xiaojing Zheng, Tianli Bo, Yirui Liang, Jinghong Zhang, Guohua Wang
  • Patent number: 9244191
    Abstract: A real-time synchronous measurement system for multiple factors such as a wind-blown sand electric field, sand particle electrification and wind speed, comprising: a first support, a second support, a third support, and an electric field instrument disposed vertically in parallel. A 3D ultrasonic anemometer (4), a wind speed meter (3), a temperature and humidity detector (1), and a weather vane (2) are installed on and connected via data cables to the first support. A probe (7) of the electric field instrument is installed on the second support. A piezoelectric kinetic energy sensor (5) is installed on the third support. A data collector (6) is installed between and connected via data cables to the first support and the third support. A real-time sand particle mass-to-charge ratio instrument is further comprised. A computer (12) is installed between and connected via data cables to the second support and the real-time sand particle mass-to-charge ratio instrument.
    Type: Grant
    Filed: September 2, 2011
    Date of Patent: January 26, 2016
    Assignee: LANZHOU UNIVERSITY
    Inventors: Xiaojing Zheng, Tianli Bo, Yirui Liang
  • Publication number: 20150168600
    Abstract: A monitoring system for turbulence of the atmospheric boundary layer under a wind drift sand flow or sand dust storm environment comprises: a meteorological tower (6), a hot-wire bracket (9) and a plurality of observation frames (10), which are vertically and cooperatively arranged in parallel. The hot-wire bracket (9) is arranged close to the meteorological tower (6), and the plurality of observation frames (10) are symmetrically distributed on the two sides of a region formed by the meteorological tower (6) and the hot-wire bracket (9). The meteorological tower (6) is cooperatively provided thereon with a first group of experimental instruments for measurements; the hot-wire bracket (9) is cooperatively provided thereon with a hot-wire probe assembly (8); and each observation frame (10) is cooperatively provided thereon with a second group of experimental instruments for measurements.
    Type: Application
    Filed: November 28, 2012
    Publication date: June 18, 2015
    Applicant: LANZHOU UNIVERSITY
    Inventors: Xiaojing Zheng, Tianli Bo, Yirui Liang, Jinghong Zhang, Guohua Wang
  • Publication number: 20140144227
    Abstract: A real-time synchronous measurement system for multiple factors such as a wind-blown sand electric field, sand particle electrification and wind speed, comprising: a first support, a second support, a third support, and an electric field instrument disposed vertically in parallel. A 3D ultrasonic anemometer (4), a wind speed meter (3), a temperature and humidity detector (1), and a weather vane (2) are installed on and connected via data cables to the first support. A probe (7) of the electric field instrument is installed on the second support. A piezoelectric kinetic energy sensor (5) is installed on the third support. A data collector (6) is installed between and connected via data cables to the first support and the third support. A real-time sand particle mass-to-charge ratio instrument is further comprised. A computer (12) is installed between and connected via data cables to the second support and the real-time sand particle mass-to-charge ratio instrument.
    Type: Application
    Filed: September 2, 2011
    Publication date: May 29, 2014
    Applicants: LANZHOU UNIVERSITY
    Inventors: Xiaojing Zheng, Tianli Bo, Yirui Liang
  • Patent number: 8573064
    Abstract: A magnetic suspension supporter for a direct tension test apparatus, includes an upper end cap and a lower end cap for fixing a sample, an upper chain and a lower chain connected to the upper and lower end caps respectively, an upper joint and a lower joint connected to the other ends of the upper and lower chains respectively, the lower joint being fixed to the test machine foundation. In addition, the upper and lower end caps, the upper and lower chains, the upper and lower joints as well as the supporter having a common vertical axis and being arranged in a cascade form, characterized in that a sample supporter is arranged between the lower end cap and the test machine foundation. The sample supporter is composed of a pair of upper magnet provided at the underside of the lower end cap and lower magnet on the upside of the test machine foundation, which constitute two magnets structure. The polarity directions of the two magnets are reversed and the same polarity is arranged oppositely on the axis.
    Type: Grant
    Filed: January 16, 2010
    Date of Patent: November 5, 2013
    Assignee: Lanzhou University
    Inventors: Zhonghu Zhao, Xiaojing Zheng, Youhe Zhou