Abstract: The present disclosure relates to a liquid-cooling radiating pipe and a vacuum interrupter with a built-in liquid-cooling radiating pipe, belonging to the field of vacuum circuit breakers. Based on an original structure of an vacuum interrupter, a liquid-cooling radiating pipe of a Tesla valve structure is arranged in a conductive rod of the vacuum interrupter with the built-in liquid-cooling radiating pipe, and liquid metal is used as a circulating coolant in the liquid-cooling radiating pipe, and by using the self-circulating flow of the liquid metal in the pipeline, the capacity of the conductive rod to dissipate heat to the outside is significantly increased, and the problem of excessive internal temperature rise of a vacuum circuit breaker is effectively solved.

Abstract: The present disclosure provided a blood cell analyzer, a control device and a blood analysis method thereof. In the method, a first reagent is mixed with a sample to obtain a first testing sample, and then a second reagent is mixed with the first testing sample for a further reaction to get a second testing sample for basophil classification and/or HGB measurement. A blood sample may be tested in one reaction cell through time-division multiplexing technology to obtain four groups leukocytes classification result and HGB result by single detection channel. Thus, the structure of the analyzer may be greatly simplified on the premise of guaranteeing the performance of the analyzer, the size and cost of the analyzer may reduce and a performance-price ratio of the analyzer may increase.

Abstract: A display device is disclosed. The display device includes an array substrate and at least two driving units. The array substrate includes a peripheral region and a display region, the array substrate further includes a peripheral grounding line and a test line, wherein the peripheral grounding line is located in the peripheral region, and the test line is located in the peripheral region. The at least two driving units are located on at least one side of the array substrate, the driving unit includes at least two grounding pins, a grounding pin of at least one of the driving units is connected to the peripheral grounding line, and each of at least one grounding pin of one of two adjacent driving units is electrically connected to a corresponding grounding pin of the other adjacent driving unit.

Abstract: A method for forming an ultrafine-pitch all-copper interconnect structure is provided. Nano-copper particles are mixed with a solvent, a dispersant and a viscosity modifier to prepare a nano-copper paste. A chip with a preset number of copper pillars having a preset diameter and a substrate are selected, cleaned and pretreated. The chip is sucked and flipped by a bonding machine to make the copper pillars face outward. The chip is sucked through a suction nozzle of the bonding machine and dipped in the nano-copper paste. A protective gas is fed, and the copper pillars are aligned with copper pads on the substrate through an optical system of the bonding machine, bonded with the substrate at a preset pressure and temperature under ultrasonication, and cooled at room temperature to obtain the interconnect structure. An ultrafine-pitch all-copper interconnect structure fabricated by the method is also provided.

Abstract: A display panel, a display device and a driving method. The display panel includes a display region and a peripheral region. The display region includes a subpixel unit array having a plurality of rows and a plurality of columns of subpixel units, and the peripheral region includes a gate drive circuit. The display region further includes a plurality of gate lines and a plurality of data lines. The gate drive circuit comprises a plurality of shift register units, and the plurality of gate lines are electrically connected with the plurality of shift register units. The gate drive circuit comprises two shift-register-unit scanning groups, in the shift-register-unit scanning groups, a (k+1)th shift register unit and a (k)th shift register unit form one shift register unit group.

Abstract: A data disaster recovery method performed by a disaster recovery site includes: selecting a first backup copy when taking over a service of a production site; receiving service data through a virtual machine; obtaining changed block tracking CBT) information based on a CBT technology and the received service data, where the CBT information includes incremental information generated after the disaster recovery site receives the first backup copy; and sending, by the disaster recovery site, a first message to the production site, where the first message includes the CBT information.

Abstract: Waterborne dispersions including crosslinkable multistage polymeric particles useful in coating compositions are provided. The multistage particles have a last-formed layer that includes a diketone functionality that is capable of crosslinking via a dihydrazide component also included in the dispersion. Another embodiment of the waterborne dispersion further includes crosslinkable latex particles having a diketone functionality that are capable of crosslinking with each other and/or the multistage particles via the dihydrazide component. An emulsion polymerization process for forming the multistage particles also is provided. Also provided are coating compositions that contain either embodiment of the waterborne dispersions.

Abstract: A multi-source self-adaptive low-stress additive manufacturing apparatus including a multi-axis manipulator additive manufacturing system, a high-energy sound beam regulation system, a substrate and a self-adaptive additive manufacturing workbench. The multi-axis manipulator additive manufacturing system includes multi-axis manipulator(s), welding torch(es), manipulator controller(s) and a guide rail, where base(s) of the multi-axis manipulator(s) is connected with the guide rail, the welding torch(es) is held by distal end(s) of the multi-axis manipulator(s), the multi-axis manipulator(s) is controlled by the manipulator controller(s) to move the welding torch(es) to conduct low-stress additive manufacturing on the workpiece to be additive manufactured.

Abstract: Provided are a chimeric antigen receptor T lymphocyte for treating tumors, a preparation method therefor, and the use thereof. The chimeric antigen receptor successively comprises a single-chain antibody against a tumor cell surface antigen, a human hinge transmembrane region, a human intracellular signal domain, a self-cleaving peptide, and the full length of human CD27. The human intracellular signal domain comprises a human intracellular co-stimulatory signal domain and a human intracellular signaling domain. The method for preparing the chimeric antigen receptor T lymphocyte comprises the following steps: introducing the coding gene of the above-mentioned chimeric antigen receptor into a T cell and expressing the coding gene, thereby obtaining the CAR-T cell.

Abstract: A data disaster recovery method performed by a disaster recovery site includes selecting a first backup copy when taking over a service of a production site; receiving service data through a virtual machine; obtaining changed block tracking CBT information based on a CBT technology and the received service data, where the CBT information includes incremental information generated after the disaster recovery site receives the first backup copy; and sending, by the disaster recovery site, a first message to the production site, where the first message includes the CBT information.

Abstract: A method for issuing coupons to a plurality of target users is provided. For each of the plurality of target users, the method may include determining a predicted value of a group indicator of the target user in a predetermined period. The method may further include grouping the plurality of target users using a plurality of grouping strategies. For each of the grouping strategies, the method may further include determining a candidate coupon issuing strategy. For each of the candidate coupon issuing strategies, the method may further include obtaining user feature information of one or more target users in each group corresponding to the candidate coupon issuing strategy. For each of the candidate coupon issuing strategies, the method may further include predicting an ROI of the candidate coupon issuing strategy based on an RO prediction model and the corresponding user feature information.

Abstract: A method for querying data is provided. The method may include determining a characteristic value of a selected feature dimension among feature values of the selected feature dimension of plurality of entities and establishing a corresponding relationship between the characteristic value and the selected feature dimension. The method may also include caching the corresponding feature value into a cache memory for each entity having a feature value of the selected feature dimension being unequal to the characteristic value, and leaving the corresponding feature value without caching for each entity having a feature value of the selected feature dimension being equal to the characteristic value. The method may further include performing a first search in the cache memory to produce a first search result in response to a query request related to the plurality of entities, and generating a query result based on the corresponding relationship and the first search result.

Abstract: A method for querying data is provided. The method may include determining a characteristic value of a selected feature dimension among feature values of the selected feature dimension of plurality of entities and establishing a corresponding relationship between the characteristic value and the selected feature dimension. The method may also include caching the corresponding feature value into a cache memory for each entity having a feature value of the selected feature dimension being unequal to the characteristic value, and leaving the corresponding feature value without caching for each entity having a feature value of the selected feature dimension being equal to the characteristic value. The method may further include performing a first search in the cache memory to produce a first search result in response to a query request related to the plurality of entities, and generating a query result based on the corresponding relationship and the first search result.

Abstract: A method for synthesizing a polybutylene adipate terephthalate-polylactic acid (PBAT-PLA) copolyester, the method including: uniformly blending a first prepolymer PBAT and a second prepolymer PLA to yield a mixture, 0putting the mixture in a vacuum reactor with a vacuum degree of between 5 and 100 pascal, heating the vacuum reactor to a temperature of between 100 and 110° C., and allowing to react for between 0.5 and 1 hr; stepwise increasing the temperature to be between 145 and 155° C. in between 1 and 2 hrs, and allowing to react for between 5 and 10 hrs, to yield a PBAT-PLA copolyester with a weight-average molecular weight of between 100000 and 250000. The method for synthesizing the PBAT-PLA copolyester is eco-friendly, non-toxic and cost-efficient.

Abstract: A method for issuing coupons to a plurality of target users is provided. For each of the plurality of target users, the method may include determining a predicted value of a group indicator of the target user in a predetermined period. The method may further include grouping the plurality of target users using a plurality of grouping strategies. For each of the grouping strategies, the method may further include determining a candidate coupon issuing strategy. For each of the candidate coupon issuing strategies, the method may further include obtaining user feature information of one or more target users in each group corresponding to the candidate coupon issuing strategy. For each of the candidate coupon issuing strategies, the method may further include predicting an ROI of the candidate coupon issuing strategy based on an RO prediction model and the corresponding user feature information.

Abstract: A micro-droplet fluorescence detection system, comprising a microfluidic chip (1), an optical path device, and a movement control device for controlling the chip (1) and an optical path device to move, so that the chip (1) moves relative to the optical path device during a fluorescence scanning detection process of micro-droplets in the chip (1), and the micro-droplets inside the chip (1) remains stationary relative to the chip (1). The micro-droplet fluorescence detection system has advantages of avoiding cross contamination due to closed detection, high detection rate, high throughput and high sensitivity.

Abstract: A method for querying data is provided. The method may include determining a characteristic value of a selected feature dimension among feature values of the selected feature dimension of plurality of entities and establishing a corresponding relationship between the characteristic value and the selected feature dimension. The method may also include caching the corresponding feature value into a cache memory for each entity having a feature value of the selected feature dimension being unequal to the characteristic value, and leaving the corresponding feature value without caching for each entity having a feature value of the selected feature dimension being equal to the characteristic value. The method may further include performing a first search in the cache memory to produce a first search result in response to a query request related to the plurality of entities, and generating a query result based on the corresponding relationship and the first search result.

Abstract: A method for synthesizing a polybutylene adipate terephthalate-polylactic acid (PBAT-PLA) copolyester, the method including: uniformly blending a first prepolymer PBAT and a second prepolymer PLA to yield a mixture, putting the mixture in a vacuum reactor with a vacuum degree of between 5 and 100 pascal, heating the vacuum reactor to a temperature of between 100 and 110° C., and allowing to react for between 0.5 and 1 hr; stepwise increasing the temperature to be between 145 and 155° C. in between 1 and 2 hrs, and allowing to react for between 5 and 10 hrs, to yield a PBAT-PLA copolyester with a weight-average molecular weight of between 100000 and 250000. The method for synthesizing the PBAT-PLA copolyester is eco-friendly, non-toxic and cost-efficient.

Abstract: A micro-droplet fluorescence detection system, comprising a microfluidic chip (1), an optical path device, and a movement control device for controlling the chip (1) and an optical path device to move, so that the chip (1) moves relative to the optical path device during a fluorescence scanning detection process of micro-droplets in the chip (1), and the micro-droplets inside the chip (1) remains stationary relative to the chip (1). The micro-droplet fluorescence detection system has advantages of avoiding cross contamination due to closed detection, high detection rate, high throughput and high sensitivity.

Abstract: Systems and methods are provided for group tagging. Such system may comprise processors accessible to platform data that comprises a plurality of users and a plurality of associated data fields, and a memory storing instructions that, when executed by the processors, cause the system to perform a method. The method may comprise obtaining a first subset users and associated first tags; determining, respectively for the associated data fields, at least a difference between the first subset users and at least some of the plurality of users; responsive to determining the difference exceeding a first threshold, determining the data field as a key data field; determining data of the corresponding key data fields associated with the first subset users as positive samples; obtaining, based on the key data fields, a second subset users and associated data as negative samples; and training a rule model with the positive and negative samples.