Patents by Inventor Jiaxin Liu
Jiaxin Liu 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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Patent number: 11995104Abstract: Computer-readable media, methods, and systems are disclosed for linear interval-based dynamic range partitioning in one or more database systems. A request is received by a database management system to insert a new row into a partitioned database table. The partitioned database table may include a plurality of existing partitions and a partition others partition. Based on determining that the new row should be inserted into the partition others partition a series of steps are performed. First, one or more new partitions are added to the partitioned database table. Then, the new row is inserted into the one of the one or more new partitions in the partitioned database table.Type: GrantFiled: May 27, 2022Date of Patent: May 28, 2024Assignee: SAP SEInventors: Zhilong Hao, Xiaoke Liu, Jiaxin Liu, Weimin Qi, Zhe Qu, Qingwei Ren
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Patent number: 11990241Abstract: A computer readable storage medium is provided. When contents of the computer readable storage medium are executed by a processor, multi-photon imaging may be performed on a histopathological section containing tumor environment information, and pathological partitioning of a tumor microenvironment may be further performed through image processing. A value of each collagen feature parameters, such as a morphological feature parameter, an energy feature parameter and a texture feature parameter, may be extracted from a tumor tissue region, an invasive margin (IM) region and a normal tissue (N) region. An inter-region difference and a variation may be calculated according to feature parameters of regions. A collagen feature scoring model may be established. A collagen feature score may be calculated with the collagen feature parameters input to the model.Type: GrantFiled: November 15, 2022Date of Patent: May 21, 2024Assignee: SHENZHEN PEOPLE'S HOSPITALInventors: Jun Yan, Shumin Dong, Botao Yan, Weisheng Chen, Xiaoyu Dong, Xiumin Liu, Shuhan Zhao, Jiaxin Cheng, Yanfeng Dong, Wei Jiang, Dexin Chen, Guoxin Li
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Publication number: 20240159015Abstract: A robot for pond desilting is provided, which includes a frame, a lead screw sliding table, and a suction pipe. An end of the frame is provided with a pressure-resistant cabin. A lead screw base is disposed on the lead screw sliding table. A rotary lead screw is disposed on the lead screw sliding table. The lead screw base is disposed on the rotary lead screw. Waterproof motors are disposed above the lead screw base, a pump body is disposed in the frame, and the suction pipe is disposed at an end of the pump body. When the robot is placed at the bottom of the pond, the motor inside the pressure-resistant cabin drives the power wheels to rotate, the power wheels drive the tracks to rotate around the power wheels, bearing wheels, and tension wheels, thereby driving the frame to move.Type: ApplicationFiled: December 27, 2023Publication date: May 16, 2024Inventors: Guanglin WU, Mingxian WANG, Jinbo LIN, Hongfei MAO, Yifang SUN, Qinglong CHEN, Ruixin LIU, Haoyu TAN, Jiaxin LI, Hailing ZHOU
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Publication number: 20240158432Abstract: A composition comprising dichloroacetic acid and glyoxylic acid, wherein, the content of glyoxylic acid is below 1000 pm, and the preparation method and application of the composition. A process for preparing the composition, comprising: mixing a dichloroacetic acid material having greater than 1000 ppm glyoxylic acid with a glyoxylic acid capture reagent, and a process for preparing oligonucleotides, comprising using the composition. It is found that glyoxylic acid is an impurity in commercially available DCA products, which may cause the oligonucleotides synthesis failure. Ion chromatography can be used to detect glyoxylic acid in dichloroacetic acid and accurately determine its concentration.Type: ApplicationFiled: November 20, 2023Publication date: May 16, 2024Inventors: Hu CHENG, Chenchen HU, Jiaxin SONG, Yang LIU, Tingting QIAN, Xianzhe WANG, Jimin YANG
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Publication number: 20240135282Abstract: A computing system is provided for modeling a deployment of heterogeneous memory on a server network. The computing system receives a user input of parameters including a memory ratio of local memory to heterogeneous memory in each server, a first relative throughput when an entire dataset is in local memory on a server, and a second relative throughput when the entire dataset is in heterogeneous memory on the server. Based on these parameters, the system determines a server ratio of a number of servers in an enhanced cluster with heterogeneous memory to a number of servers in a baseline cluster without heterogeneous memory, where the enhanced cluster and the baseline cluster deliver equivalent data throughput performance. Based on the parameters and the server ratio, a server network design is generated and outputted.Type: ApplicationFiled: November 30, 2023Publication date: April 25, 2024Inventors: Ping Zhou, Jiaxin Shan, Wenhui Zhang, Fei Liu
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Patent number: 11959982Abstract: A low-cost modular liquid nitrogen low-temperature multi-nuclear magnetic resonance probe includes a Dewar, a pluggable coil and a front-end gain amplifier. The Dewar includes a cylindrical sandwich chamber, the center of the cylindrical sandwich chamber constitutes a room-temperature chamber, a sandwich of the cylindrical sandwich chamber is divided into a vacuum chamber and a liquid nitrogen chamber by a liquid nitrogen vessel wall, the vacuum chamber is located between the room-temperature chamber and the liquid nitrogen chamber, the pluggable coil and the front-end gain amplifier are provided in the vacuum chamber, the pluggable coil comprises a coil portion and a pluggable base, the coil portion is in pluggable connection with the pluggable base, and the pluggable coil is connected with the front-end gain amplifier. The probe realizes the transmission of radio frequency pulses and the reception of magnetic resonance signals, and is applicable to whole-body imaging of a small animal.Type: GrantFiled: November 10, 2021Date of Patent: April 16, 2024Assignee: INNOVATION ACADEMY FOR PRECISION MEASUREMENT SCIENCE AND TECHNOLOGY, CASInventors: Zhi Zhang, Qingjia Bao, Chaoyang Liu, Xinjie Liu, Fang Chen, Jiaxin Wang, Xin Cheng, Maili Liu
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Publication number: 20240115496Abstract: The present application provides a compound dry powder inhalant, comprising baicalin, ambroxol hydrochloride, L-leucine and phosphate, wherein based on a mass of the compound dry powder inhalant, L-leucine accounts for 0-50%, phosphate accounts for 15-35%, and a total mass of baicalin and ambroxol hydrochloride accounts for 15-85%, and wherein a mass ratio of baicalin to ambroxol hydrochloride is 1:0.2 to 2. The compound dry powder inhalant has a Dv90?5 ?m. The drug combination of baicalin and ambroxol hydrochloride can effectively reduce inflammation and oxidative damage in lung tissue, alleviate pulmonary edema and histopathological changes, and reduce pulmonary dysfunction and pulmonary fibrosis.Type: ApplicationFiled: July 27, 2022Publication date: April 11, 2024Applicant: TIANJIN UNIVERSITY OF TRADITIONAL CHINESE MEDICINEInventors: Zhidong LIU, Dongli QI, Hui PENG, Jiaxin PI, Pan GUO, Xiuping DENG, Jiawei LI
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Publication number: 20240106920Abstract: Techniques are disclosed for implementing cross-zone communication for computing zones executing different coding protocols. A server computer system may receive, via a proxy layer of a first instance of an application executing within a first computing zone according to a first set of coding protocols, a request for a service executed via a second instance of the application in a second computing zone according to a second, different set of coding protocols. The system may alter, via a remote layer of the first instance, a set of data specified in the request to comply with the second, set of protocols. The system may transmit, via the remote layer of the first instance to a remote layer of the second instance, the altered set of data. The system may advantageously provide a simplified development interface allowing for both development and testing within a local environment without deployment of multiple different services.Type: ApplicationFiled: October 17, 2022Publication date: March 28, 2024Inventors: Xiaojun Luan, Haoran Zhang, Jiaxin Fang, Jun Li, Kun Wang, Pengshan Zhang, Xia Zhang, Xin Wang, Yangxing Liu
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Patent number: 11940972Abstract: Computer-readable media, methods, and systems are disclosed for utilizing partition-based locking mechanisms to improve execution of overlapping data definition language (DDL) and data manipulation language (DML) operations on a partitioned database table. A first node receives a DML statement associated with a first transaction. The first node acquires a intent exclusive lock on table metadata. A second node receives a DDL statement associated with a second transaction and acquires an exclusive metadata lock on the partitioned table metadata. Next, an intent exclusive lock is acquired for the relevant partition table data on the second node and an exclusive lock on table metadata on the second node. The second transaction waits for the DML operation of the first transaction to complete. Then the first transaction is committed. Finally exclusive locks are acquired on table data and metadata and the second transaction is executed and committed.Type: GrantFiled: May 27, 2022Date of Patent: March 26, 2024Assignee: SAP SEInventors: Xiaoke Liu, Zhilong Hao, Weimin Qi, Zhe Qu, Jiaxin Liu, Qingwei Ren
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Patent number: 11939625Abstract: A method and a sensor for detecting L-cystine are disclosed. The method is implemented by assembling a sodium 3,3?-dithiodipropane sulfonate (SPS) membrane on a surface of Au membrane layer of an Au electrode and using an extended gate of field effect transistor (FET) and in-situ signal amplification of the FET to detect L-cystine sensitively. The polyanion of the SPS membrane adsorbs and binds a positively charged target L-cystine through electrostatic interaction, thus forming an electric double layer structure to generate a membrane potential identifying a monovalent organic ammonium ion. The sensor includes the FET, wherein a gate-extended gold electrode is arranged on the FET, and the SPS membrane is assembled on the surface of the Au membrane layer of the gate-extended gold electrode. The sensor has an excellent Nernst response to L-cystine.Type: GrantFiled: August 24, 2019Date of Patent: March 26, 2024Assignee: CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Zhong Cao, Jia Yang, Chen Liu, Zhongliang Xiao, Dan Li, Ling Zhang, Yuyang Zhang, Jiaxin Li
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Publication number: 20240096491Abstract: A computer readable storage medium is provided. When contents of the computer readable storage medium are executed by a processor, multi-photon imaging may be performed on a histopathological section containing tumor environment information, and pathological partitioning of a tumor microenvironment may be further performed through image processing. A value of each collagen feature parameters, such as a morphological feature parameter, an energy feature parameter and a texture feature parameter, may be extracted from a tumor tissue region, an invasive margin (IM) region and a normal tissue (N) region. An inter-region difference and a variation may be calculated according to feature parameters of regions. A collagen feature scoring model may be established. A collagen feature score may be calculated with the collagen feature parameters input to the model.Type: ApplicationFiled: November 15, 2022Publication date: March 21, 2024Inventors: Jun YAN, Shumin DONG, Botao YAN, Weisheng CHEN, Xiaoyu DONG, Xiumin LIU, Shuhan ZHAO, Jiaxin CHENG, Yanfeng DONG, Wei JIANG, Dexin CHEN, Guoxin LI
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Publication number: 20240086362Abstract: A key-value store and a file system are integrated together to provide improved operations. The key-value store can include a log engine, a hash engine, a sorting engine, and a garbage collection manager. The features of the key-value store can be configured to reduce the number of I/O operations involving the file system, thereby improving read efficiency, reducing write latency, and reducing write amplification issues inherent in the combined key-value store and file system.Type: ApplicationFiled: September 27, 2023Publication date: March 14, 2024Inventors: Hao Wang, Jiaxin Ou, Sheng Qiu, Yi Wang, Zhengyu Yang, Yizheng Jiao, Jingwei Zhang, Jianyang Hu, Yang Liu, Ming Zhao, Hui Zhang, Kuankuan Guo, Huan Sun, Yinlin Zhang
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Publication number: 20240085502Abstract: A low-cost modular liquid nitrogen low-temperature multi-nuclear magnetic resonance probe includes a Dewar, a pluggable coil and a front-end gain amplifier. The Dewar includes a cylindrical sandwich chamber, the center of the cylindrical sandwich chamber constitutes a room-temperature chamber, a sandwich of the cylindrical sandwich chamber is divided into a vacuum chamber and a liquid nitrogen chamber by a liquid nitrogen vessel wall, the vacuum chamber is located between the room-temperature chamber and the liquid nitrogen chamber, the pluggable coil and the front-end gain amplifier are provided in the vacuum chamber, the pluggable coil comprises a coil portion and a pluggable base, the coil portion is in pluggable connection with the pluggable base, and the pluggable coil is connected with the front-end gain amplifier. The probe realizes the transmission of radio frequency pulses and the reception of magnetic resonance signals, and is applicable to whole-body imaging of a small animal.Type: ApplicationFiled: November 10, 2021Publication date: March 14, 2024Applicant: INNOVATION ACADEMY FOR PRECISION MEASUREMENT SCIENCE AND TECHNOLOGY, CASInventors: Zhi ZHANG, Qingjia BAO, Chaoyang LIU, Xinjie LIU, Fang CHEN, Jiaxin WANG, Xin CHENG, Maili LIU
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Publication number: 20240086563Abstract: A method for operating a graph database, including receiving, by a computer system, a query to a particular graph database, the query identifying a plurality of vertices of the particular graph database. The method further includes performing, by the computer system, hash operations on two or more of the plurality of vertices to generate respective hash values and dividing, using the respective hash values, the query into a plurality of sub-queries, each corresponding to a subset of the plurality of vertices. The method also includes sending, by the computer system, ones of the plurality of sub-queries to a plurality of database repositories for the particular graph database.Type: ApplicationFiled: November 9, 2022Publication date: March 14, 2024Inventors: Xia Zhang, Pengshan Zhang, Kun Wang, Jiaxin Fang, Jun Li, Xin Wang, Yangxing Liu, Yu Zhang, Changle Lian, Ying Yue, Xiaojun Luan
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Patent number: 11914598Abstract: Computer-readable media, methods, and systems are disclosed for database table partition pruning based on statistical information associated with non-partition columns. A tree partition specification is received defining partitions for a plurality of computed column statistics. Respective partitions are created for the plurality of computed column statistics based on the tree partition specification. A request is received to compute statistics for a plurality of columns of the plurality of computed column statistics to result in a plurality of computed column statistics. In response to determining that one or more modifications have been made to the partitioned database, the plurality of computed column statistics is marked as invalid. The computed column statistics are refreshed in response to modifications of the partitioned table. Thereafter, the statistics are marked as valid. Unnecessary table partitions are pruned based on the statistics, and the associated query is executed.Type: GrantFiled: May 27, 2022Date of Patent: February 27, 2024Assignee: SAP SEInventors: Qingwei Ren, Weimin Qi, Zhe Qu, Xiaoke Liu, Jiaxin Liu, Zhilong Hao
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Patent number: 11876528Abstract: The present disclosure relates to an analog-to-digital conversion circuit comprising: N sampling and conversion modules connected in parallel, configured to simultaneously sample and sequentially convert first analog signals of N channels to output second analog signals, wherein each of the sampling and conversion modules includes a plurality of sampling capacitors connected in parallel, wherein N is an integer greater than 1; a comparator connected to the N sampling and conversion modules, configured to comparing the second analog signals respectively to obtain comparison signals; and a control module connected to the N sampling and conversion modules and the comparator, configured to control the N sampling and conversion modules to output converted digital signals based on the comparison signals.Type: GrantFiled: October 28, 2021Date of Patent: January 16, 2024Assignee: Tsinghua UniversityInventors: Nan Sun, Yi Zhong, Jiaxin Liu
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Publication number: 20230409603Abstract: Computer-readable media, methods, and systems are disclosed for linear interval-based dynamic range partitioning in one or more database systems. A request is received by a database management system to insert a new row into a partitioned database table. The partitioned database table may include a plurality of existing partitions and a partition others partition. Based on determining that the new row should be inserted into the partition others partition a series of steps are performed. First, one or more new partitions are added to the partitioned database table. Then, the new row is inserted into the one of the one or more new partitions in the partitioned database table.Type: ApplicationFiled: May 27, 2022Publication date: December 21, 2023Inventors: Zhilong Hao, Xiaoke Liu, Jiaxin Liu, Weimin Qi, Zhe Qu, Qingwei Ren
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Publication number: 20230385282Abstract: Computer-readable media, methods, and systems are disclosed for database table partition pruning based on statistical information associated with non-partition columns. A tree partition specification is received defining partitions for a plurality of computed column statistics. Respective partitions are created for the plurality of computed column statistics based on the tree partition specification. A request is received to compute statistics for a plurality of columns of the plurality of computed column statistics to result in a plurality of computed column statistics. In response to determining that one or more modifications have been made to the partitioned database, the plurality of computed column statistics is marked as invalid. The computed column statistics are refreshed in response to modifications of the partitioned table. Thereafter, the statistics are marked as valid. Unnecessary table partitions are pruned based on the statistics, and the associated query is executed.Type: ApplicationFiled: May 27, 2022Publication date: November 30, 2023Inventors: Qingwei Ren, Weimin Qi, Zhe Qu, Xiaoke Liu, Jiaxin Liu, Zhilong Hao
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Publication number: 20230385263Abstract: Computer-readable media, methods, and systems are disclosed for utilizing partition-based locking mechanisms to improve execution of overlapping data definition language (DDL) and data manipulation language (DML) operations on a partitioned database table. A first node receives a DML statement associated with a first transaction. The first node acquires a intent exclusive lock on table metadata. A second node receives a DDL statement associated with a second transaction and acquires an exclusive metadata lock on the partitioned table metadata. Next, an intent exclusive lock is acquired for the relevant partition table data on the second node and an exclusive lock on table metadata on the second node. The second transaction waits for the DML operation of the first transaction to complete. Then the first transaction is committed. Finally exclusive locks are acquired on table data and metadata and the second transaction is executed and committed.Type: ApplicationFiled: May 27, 2022Publication date: November 30, 2023Inventors: Xiaoke Liu, Zhilong Hao, Weimin Qi, Zhe Qu, Jiaxin Liu, Qingwei Ren
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Publication number: 20230340771Abstract: A shear wall connector comprising a pre-built member and a connector, the pre-built member comprising a side plate, a peg, and a shear key, the side plate being provided with a first through hole, the peg and the shear key being provided on the inner and outer sides of the side plate respectively, the peg being provided with a threaded hole at the end connected to the side plate and having the threaded hole aligned with the first through hole wherein the connection member comprises an H-beam, the flange plate of the H-beam being provided with a second through-hole and a shear key adaptor hole matching the first through-hole and the shear key in the side plate. The pre-built elements are pre-built in the concrete wall surface and are assembled by means of the connectors. During installation, the shear key is inserted into the shear key adaptor hole.Type: ApplicationFiled: February 15, 2023Publication date: October 26, 2023Applicant: Southwest University of Science and TechnologyInventors: Xiaowei LI, Dongwen MA, Zhaoqiang ZHANG, Tiedong ZHU, Yong YAO, Jihang LIU, Jiaxin LIU, Yao WANG, Lidan PANG