Patents Assigned to Chinese Academy of Science
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Patent number: 12382854Abstract: Provided are a straw returning method through thawing and wet puddling for saline-sodic paddy fields and an application thereof, relating to the technical field of returning straws to fields in saline-sodic paddy fields. According to the disclosure, regional characteristics are fully considered, “thawing” is taken as the core and combined with wet puddling.Type: GrantFiled: October 25, 2024Date of Patent: August 12, 2025Assignee: Northeast Institute of Geography and Agroecology, Chinese Academy of SciencesInventors: Hongyuan Liu, Ren Geng, Ding Wang, Qingquan Xu, Yanhong Zhou, Xintong Liu
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Patent number: 12383574Abstract: The present invention provides use of a circular RNA with an incomplete double-stranded structure of 16 bp-33 bp in length and/or a promoting agent of the circular RNA with an incomplete double-stranded structure of 16 bp-33 bp in length in preparation of a medicament for treating systemic lupus erythematosus.Type: GrantFiled: December 10, 2019Date of Patent: August 12, 2025Assignee: Center for Excellence in Molecular Cell Science, Chinese Academy of SciencesInventors: Lingling Chen, Li Yang, Chuxiao Liu, Xiang Li, Fang Nan
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Publication number: 20250251266Abstract: The present disclosure provides a method for measuring flow velocity distribution of groundwater using distributed optical fiber with active heating, comprising: setting and optimizing field test parameters; conducting a background temperature monitoring test; performing a line-source active heating distributed temperature measurement test, including conducting multiple rounds of heating tests; denoising the obtained thermal plume attenuation signal data of the groundwater; and fitting the groundwater velocity-depth curve in the borehole by monitoring and analyzing the temperature difference signal between the internal temperature and the external temperature of the composite heating optical cable in a single depth section of the borehole, thereby obtaining a distributed groundwater velocity data set.Type: ApplicationFiled: April 22, 2025Publication date: August 7, 2025Applicant: Institute of Geology and Geophysics, Chinese Academy of SciencesInventors: Yanhui Dong, Liheng Wang, Huaqing Qin
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Patent number: 12380515Abstract: A method for identifying an optimal corridor width includes: acquiring geographic information data of a target region; evaluating ecosystem service functions of the target region, and constructing an ecological source land in combination with a nature reserve; constructing a resistance surface indicator system, and obtaining a disaster susceptibility distribution result by using geological disaster distribution point data to correct a resistance surface, to thereby obtain a real resistance surface; importing data of the ecological source land and data of the real resistance surface into LINKAGE MAPPER to generate an ecological corridor; constructing an evaluation system of the optimal corridor width based on three aspects of cost-function-ecological benefits, and evaluating the ecological corridor by using an IEW-TOPSIS model to obtain the optimal corridor width of the ecological corridor.Type: GrantFiled: December 24, 2024Date of Patent: August 5, 2025Assignees: CHENGDU UNIVERSITY OF TECHNOLOGY, Institute of Mountain Hazzards and Environment, Chinese Academy of SciencesInventors: Yong Luo, Hui Yu, Dianpeng Chen
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Patent number: 12378690Abstract: A method for growing long-seed DKDP crystal by two-dimensional motion grows the crystal along the cylindrical surface, and there is no cylinder-cone interface with low optical quality, while avoiding three flow regions which are inevitable in the crystal growth process by rotating crystal method, including incident flow, side flow and wake flow, and easily cause inclusion formation. The long seed crystal moves periodically in the fresh solution, four cylindrical surfaces can achieve reversible shear flow in one cycle, and any point on the cylindrical surface experiences the same hydrodynamic conditions in one movement cycle, so that the solute supply is sufficient and uniform, the growth velocity is improved, and the stability of morphology is ensured. The method facilitates rapid growth of high quality DKDP crystals and provides a better solution for the large-size, high-quality DKDP crystal growth required by the ICF laser device.Type: GrantFiled: March 23, 2023Date of Patent: August 5, 2025Assignees: Shanghai Institute of Optics And Fine Mechanics, Chinese Academy of Sciences, Chongqing UniversityInventors: Duanyang Chen, Mingwei Li, Hongji Qi, Jianda Shao, Bin Wang, Hang Liu, Huawei Yin, Chuan Zhou
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Patent number: 12380577Abstract: The present disclosure provides an ice floe motion prediction method, a device, a storage medium, and an electronic device. In the method, the electronic device is configured to acquire a historical motion information sequence of ice floe in a to-be-navigated region, wherein the historical motion information sequence includes multiple pieces of historical motion information of the ice floe at different time points; invoke a motion prediction model to analyze a spatiotemporal relationship of the multiple pieces of historical motion information; and obtain motion prediction information of the ice floe in the to-be-navigated region.Type: GrantFiled: April 21, 2025Date of Patent: August 5, 2025Assignee: Northwest Institute of Eco-Environment and Resources, Chinese Academy of SciencesInventors: Adan Wu, Tao Che
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Patent number: 12378877Abstract: The present disclosure relates to the technical field of acoustic detection while drilling, in particular to a method and a device for identifying near-bit lithology based on intelligent voiceprint identification, including acquiring rock sound data; pre-processing the acquired rock sound data; extracting voiceprint features of pretreated rock sounds; establishing a rock voiceprint feature database; training the intelligent voiceprint identification algorithms according to the lithology labels and voiceprint feature data in the rock voiceprint feature database; intelligently identifying or predicting the rock voiceprint features using the intelligent voiceprint identification algorithms and outputting the lithology identification results. The present disclosure can greatly enhance the real-time availability and accuracy of obtaining near-bit stratum lithology data in-site, which can effectively improve the reservoir drilling rate and timely avoid drilling risks.Type: GrantFiled: June 24, 2023Date of Patent: August 5, 2025Assignee: Institute of Geology and Geophysics, Chinese Academy of SciencesInventors: Muming Xia, Canyun Wang, Changchun Yang, Wenxiu Zhang, Fei Tian, Zongwei Li, Jing Liu
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Patent number: 12379271Abstract: The present invention provides a mounting device and method of a tandem-type rock mass three-dimensional disturbance stress sensor, and the device is formed by sequentially connecting a head end unit, a plurality of repetitive units, and a tail end unit. This invention enables the accurate installation of multiple three-dimensional disturbance stress sensors within a single borehole without requiring full-hole grouting. As a result, the sensors can be mounted in a multi-point distributed arrangement within the same borehole. Adhesive fluid in a top adhesive cartridge is triggered through a head end triggering mechanism to bond a three-dimensional disturbance stress sensor in a first repetitive unit, and adhesive fluid in a corresponding first adhesive cartridge is triggered by using the first triggering mechanism to bond a three-dimensional disturbance stress sensor in a next repetitive unit, to ensure good coupling between the three-dimensional disturbance stress sensor and a rock mass.Type: GrantFiled: March 18, 2025Date of Patent: August 5, 2025Assignee: Institute of Rock and Soil Mechanics, Chinese Academy of SciencesInventors: Wusheng Zhao, Weizhong Chen, Changkun Qin, Xianjun Tan, Hou Gao, Peiyao Xie, Yiyue Tong, Shuai Zhou, Zhichao Xu
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Patent number: 12373977Abstract: The present disclosure discloses a method for measuring a beam divergence angle of a high-current particle beam based on a one-dimensional carbon fiber composite material, relating to the field of high-current particle beam diagnosis.Type: GrantFiled: January 17, 2025Date of Patent: July 29, 2025Assignee: Hefei Institutes of Physical Sciences, Chinese Academy of SciencesInventors: YongJian Xu, Yue Hu, Ling Yu, ChunDong Hu, YuanLai Xie
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Publication number: 20250240995Abstract: The present disclosure provides a method of manufacturing a vertical device by firstly etching an active region of the device, which may be applied to the field of semiconductor technology. The method includes: providing a stack of a first source/drain defining layer, a channel defining layer and a second source/drain defining layer on a substrate; providing a mask layer on the stack; providing a patterned photoresist on the stack, where the patterned photoresist exposes a first region; etching off, in the first region, a first depth of the stack based on the patterned photoresist; and further etching off, in the first region and a second region on an inner side of the first region, a second depth of the stack based on the mask layer, where the stack is penetrated by the etching off and the further etching off in the first region to form an isolation trench.Type: ApplicationFiled: July 16, 2024Publication date: July 24, 2025Applicants: BEIJINGSUPERSTRIN ACADEMY OF MEMORY TECHNOLOGY, Institute of Microelectronics, Chinese Academy of SciencesInventors: Wenliang LIU, Yongkui ZHANG, Yong DU
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Patent number: 12366679Abstract: Disclosed are a method and a device for identifying full-section excavation parameters of large-section tunnel with broken surrounding rock, capable of solving the problem of inaccurate arrangement of blasting hole points in tunnel excavation engineering, and including the following steps: establishing a three-dimensional finite element model based on a blasting section design of a tunnel; performing a simulation with the three-dimensional finite element model based on blasting design parameters to obtain blasting quality parameters; selecting a group closest to a preset quality parameter from multiple groups of the blasting design parameters as target blasting design parameters, wherein the preset quality parameter is an acceptance grade standard of the tunnel; obtaining first thermal imaging information of a first hot spot of a surface to be blasted; calibrating actual hole spacing parameters based on the first thermal imaging information and the target blasting design parameters.Type: GrantFiled: October 11, 2024Date of Patent: July 22, 2025Assignees: China Railway Eleventh Bureau Group Co., Ltd, Wuhan University of Technology, China Railway Eleventh Bureau Group Fourth Engineering Co., Ltd., Wujiu Railway Passenger Dedicated Line Hubei Co., Ltd, Southwest Jiaotong University, China Railway Seventh Group Co., Ltd., Wuhan Institute of Geotechnical Mechanics, Chinese Academy of Sciences, China Railway Southwest Scientific Research Institute Co., LtdInventors: Jun Gao, Zhongyi Zhang, Xiao Lin, Xiaowei Zuo, Kaiwen Liu, Ming Zhang, Bin Zhou, Feng Wang, Yuxin Gao, Huiling Xue, Ling Wang, Zhengyi Wang, Xiaokai Wen, Yongtai Wang, Dan Xu, Ke Chen, Tenghui Xu, Zhiguo Liu, Yongguo Qi, Geng Chen, Songzhen Li, Junlei Zhou, Juntao Kang, Chunfeng Meng, Dongsheng Xu, Linyue Gao
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Patent number: 12366046Abstract: A pile foundation bearing performance testing device and method are disclosed. The main body of the present invention is a pile body provided with a hydraulic jack at the bottom, and in the end-bearing friction pile test, the pile foundation service performance test can be conducted under different proportion conditions of the pile side resistance and the pile tip resistance of the pile foundation, and concrete is poured onto the surface of the pile body of the pile foundation bearing performance testing device to form a precast pile and then the pile is driven in permafrost to realize the load service performance test of the precast pile in the permafrost area, and the pile foundation bearing performance testing device is placed into a drilled hole and concrete is poured around the pile to realize the pile foundation service performance test of a bored cast-in-place pile.Type: GrantFiled: January 10, 2025Date of Patent: July 22, 2025Assignee: Northwest Institute of Eco-Environment and Resources, Chinese Academy of SciencesInventors: Zhi Wen, Yasheng Li, Fei Wang, Qiang Gao
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Patent number: 12364215Abstract: An irrigation device for sandy land crop planting is provided, including a water tank assembly, locking spraying assemblies, a detection spraying assembly, a control unit, and the like. The water tank assembly includes an outer tank body, a middle tank body, and an end tank body. Each locking spraying assembly includes a locking frame and a first spraying pipe. The detection spraying assembly includes a second spraying pipe and a support leg that can rotate circumferentially. The irrigation device for sandy land crop planting. By the arrangement of the water tank assembly that can be pulled to adjust a capacity, so that a length of the device can be adjusted. The irrigation device can be suitable for irrigating cultivated lands with different widths, without being moved back and forth for multiple times, and has high irrigation efficiency.Type: GrantFiled: March 27, 2025Date of Patent: July 22, 2025Assignee: Northwest Institute of Eco-Environment and Resources, Chinese Academy of SciencesInventors: Xia Tang, Hao Qu, Baoguang Shi
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Publication number: 20250230453Abstract: The present application relates to the field of biotechnology, in particular to the use of Flotillin1 gene and Importin ?4 gene and the use of molecules for inhibiting the transcription or translation of Flotillin1 gene and Importin ?4 gene in the manufacture of kits. The present application also relates to a method for obtaining plants resistant to pathogens.Type: ApplicationFiled: March 16, 2023Publication date: July 17, 2025Applicant: Institute of Zoology, Chinese Academy of SciencesInventors: Feng CUI, Panpan GE, Hong LU, Yonghuan MA
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Patent number: 12358795Abstract: The present application provides a system and a method for water-based chemical-looping hydrogen generation. The method for water-based chemical-looping hydrogen generation comprises a water-based reduction process of oxygen carrier and a water-based oxidation process of oxygen carrier, wherein in the water-based reduction process of oxygen carrier, an oxygen carrier is reduced with a hydrocarbon fuel in the presence of a steam to produce a hydrogen gas as well as a reduced oxygen carrier and a carbon dioxide; and in the water-based oxidation process of oxygen carrier, the reduced oxygen carrier is oxidized with the steam to produce the hydrogen gas, while the reduced oxygen carrier is oxidized to its original state, thereby forming a chemical-looping. The present application can reduce the energy consumption while improving the efficiency of the hydrogen generation, enabling a zero energy consumption separation of carbon dioxide in the hydrogen generation process.Type: GrantFiled: December 31, 2019Date of Patent: July 15, 2025Assignee: Institute of Engineering Thermophysics, Chinese Academy of SciencesInventors: Hongguang Jin, Hao Zhang, Hui Hong, Yali Cao, Xiangyu Liu
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Publication number: 20250223329Abstract: The present disclosure relates to a bifunctional fusion protein composed of IL-15 and an antibody against a T cell co-stimulatory molecule. The T cell co-stimulatory molecule is 4-1BB, ICOS or OX40, preferably 4-1BB; the fusion protein comprises: (1) an antibody against a T cell co-stimulatory molecule; (2) a conjugate of IL-15 and IL-15R Sushi domain linked by a second linker; and (3) a matrix metalloproteinase-cleavable first linker for linking the Fc region of the heavy chain of the antibody against the T cell co-stimulatory molecule to the conjugate of IL-15 and IL-15R Sushi domain.Type: ApplicationFiled: January 10, 2024Publication date: July 10, 2025Applicant: Institute of Biophysics, Chinese Academy of SciencesInventors: Yangxin Fu, Hua Peng, Yueqi Cai
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Patent number: 12353507Abstract: Disclosed are a method for determining an error component of a photoelectric theodolite and a method for compensating an error component of a photoelectric theodolite. A celestial region is divided into 60 sub-regions by star selection software, a star is selected from each sub-region to serve as a reference star, the theodolite is controlled to sequentially point at the reference stars, an azimuth deviation and an elevation deviation for each reference star are calculated, an axis systematic error pointing model, an azimuth error equation and an elevation error equation for the photoelectric theodolite are established, a least squares estimated value of an azimuth error component and a least squares estimated value of an elevation error component are calculated by a least squares method, a reference star with a large fitting residual is excluded, and an iterative calculation is performed repeatedly.Type: GrantFiled: April 16, 2025Date of Patent: July 8, 2025Assignee: Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of SciencesInventors: Shixue Zhang, Jinyu Zhao, Jialiang Liu, Haojing Wang, Peifeng Wei, Junchi Liu
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Patent number: 12352624Abstract: The present disclosure relates to a coaxial four-reflection optical system with visible light long-wave infrared common-aperture imaging, and belongs to the technical field of optical systems. The technical problems that the axial length compactness and the imaging quality of the visible light/infrared composite imaging system in the existing technology need to be improved are solved. The optical system of the present disclosure includes a main reflecting mirror, a first transmitting mirror, a third reflecting mirror, a fourth reflecting mirror, a second transmitting mirror, a third transmitting mirror and a fourth transmitting mirror.Type: GrantFiled: March 14, 2023Date of Patent: July 8, 2025Assignee: Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of SciencesInventors: Wei Xu, Qingya Li, Tiancong Wang, Yongjie Piao, Zongxuan Li, Defu Zhang
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Patent number: 12349670Abstract: A method for reducing seed production of barnyard grass in paddy fields is provided in the present application. The method for reducing seed production of barnyard grass in paddy fields includes: 1: selecting plots; 2: monitoring plant height; 3: observing seeds; 4: mowing barnyard grass; 5: utilizing barnyard grass; and 6: measuring seed yield. The method includes no hormones or pesticides.Type: GrantFiled: November 12, 2024Date of Patent: July 8, 2025Assignee: Northeast Institute of Geography and Agroecology, Chinese Academy of SciencesInventors: Bo Liu, Ming Jiang, Haitao Wu, Yuanchun Zou, Wenguang Zhang, Luyao Wang, Yuan Pan, Xudong Zhang
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Patent number: 12351599Abstract: The present invention relates to an antiviral application of nucleoside analogs. Specifically, the present invention relates to uses of nucleoside analogs and a pharmaceutical composition thereof as: (a) inhibitors for inhibiting the replication of coronaviruses, influenza viruses, respiratory syncytial viruses, flaviviridae viruses, filoviridae viruses and/or porcine epidemic diarrhea virus (PEDV); and/or (b) medicines for treating and/or preventing and mitigating diseases caused by coronavirus, influenza virus, respiratory syncytial virus, flaviviridae virus, filoviridae virus and/or porcine epidemic diarrhea virus (PEDV) infections. The nucleoside analogs according to the invention may treat and/or prevent and mitigate respiratory infection, pneumonia (COVID-19) and other related diseases caused by 2019 novel coronavirus infection.Type: GrantFiled: November 27, 2023Date of Patent: July 8, 2025Assignees: Shanghai Institute of Materia Medica, Chines Academy of Sciences, Wuhan Institute of Virology, Chinese Academy of Science, Xinjiang Technical Institute of Physics and Chimestry, Chinese Academy of Sciences, Vigonvita Life Sciences Co., Ltd.Inventors: Yuanchao Xie, Gengfu Xiao, Yang He, Leike Zhang, Haji Akber Aisa, Hualiang Jiang, Jingshan Shen