Abstract: The present application relates to a biochemical reaction test tube and a use method thereof, and a gene amplification kit. The biochemical reaction test tube includes a tube portion and a cover portion. The tube portion includes: a tube body including a first chamber and a second chamber, where a bottom of the second chamber is spaced apart from a bottom of the first chamber; and a limit unit provided at an outer side of the tube body. The first chamber and the second chamber are provided at different heights and used to hold different reaction components and solutions. Only one of the first chamber and the second chamber is heated to complete a biochemical reaction. When the test tube is vertically flipped at 180° and shaken, the solutions in the first chamber and the second chamber are mixed to further achieve a reaction, which eliminates harmful results.

Abstract: The present disclosure provides an Industrial Internet of Things system for monitoring a collaborative robot with dual identification and a control method thereof. The Industrial Internet of Things includes a user platform, a service platform, a management platform and a sensing network platform and an object platform connected in sequence, and the control method comprises: monitoring a target collaborative robot on a production line, obtaining monitoring data, the monitoring data including at least one of image information of the target collaborative robot and displacement sensor data of the target collaborative robot; and processing the monitoring data.

Abstract: The present invention provides an anti-PD-L1/VEGF bispecific antibody and a use thereof. Specifically, the present invention provides a bifunctional antibody, comprising: (a) anti-PD-L1 antibody or element; and (b) an anti-VEGF antibody or element linked to the anti-PD-L1 antibody or element. The bifunctional antibody of the present invention can simultaneously bind to VEGF and PD-L1, thereby exerting a therapeutic effect on VEGF and PD-L1-positive tumor cells (especially malignant tumor cells).

Abstract: Disclosed are a cover assembly, a battery and a battery pack. The cover assembly includes a cover body and an insulating member. The insulating member includes a connecting portion and a guide portion. The connecting portion is mounted to the cover body, the guide portion is provided in an annular shape and connected to a side of the connecting portion away from the cover body in a first direction. The guide portion is provided with a cavity and comprises a guide surface away from the cavity. The guide surface is an inclined surface. An orthographic projection of the guide surface in the first direction falls entirely within the connecting portion.

Abstract: A method for preparing a Ziegler-Natta catalyst system, especially a phthalate-free catalyst system, with improved performance in propylene polymerization is provided. It is found that catalyst performance, especially catalyst activity and hydrogen response, is significantly improved when a propylene-based pre-polymer is prepared in the presence of a vinyldisilane compound and then used in propylene polymerization.

Abstract: An apparatus for transmitting sidelink information, configured in a second device, includes: a receiver configured to receive first data information from a first device; processor circuitry configured to: determine a first priority of sidelink feedback information for the first data information, determine power for the sidelink feedback information according to the first priority; and a transmitter configured to transmit to the first device the sidelink feedback information being determined with the power, wherein the sidelink feedback information comprises sidelink hybrid automatic repeat request acknowledgement information indicating whether to retransmit the first data information.

Abstract: A user input component for an electronic device includes a haptic engine, a pressing surface, and a force sensor. The force sensor detects force applied by a user to the pressing surface and from this value and a spring constant of a supporting structure, an approximate displacement distance can be determined. The displacement distance can be used either directly or indirectly to select a drive current for a coil configured to provide haptic effect along the same direction of the user pressing force.

Abstract: A target localization method includes a server that receives a localization request sent by a first electronic device, where the localization request includes a to-be-processed image; the server recognizes a target in the to-be-processed image; the server searches a pose estimation model library for a target pose estimation model corresponding to the target, where the pose estimation model library includes pose estimation models respectively corresponding to a plurality of objects; the server obtains a pose of the target based on the to-be-processed image and the target pose estimation model; and the server sends the pose of the target to the first electronic device.

Abstract: The sound leakage reduction device may include an energy conversion structure, a vibration structure, and a housing. The housing may include a vibration cavity and at least one resonance cavity. The energy conversion structure may be located in the vibration cavity and connected with the vibration structure. The at least one resonance cavity may communicate with the vibration cavity through at least one communication hole. A volume of each resonance cavity may be smaller than a volume of the vibration cavity.

Abstract: Implementations for performing workload-aware space reclamation are provided. One example includes a computing system comprising: processing circuitry and memory storing instructions that, during execution, causes the processing circuitry to: track extent usage characteristics for each of a plurality of extents storing data for a graph database; and perform memory reclamation to reclaim storage areas corresponding to invalid data, wherein performing the memory reclamation comprises: generating a list of extents to be reclaimed based on the tracked extent usage characteristics; and reclaiming memory space on the plurality of extents in order based on the list of extents.

Abstract: Provided are a separator having excellent bonding performance and air permeability and a preparation method therefor. The separator includes a base film and a bonding layer; the bonding layer is provided on at least one surface of the base film; the bonding layer includes a plurality of hollowed-out structures; each hollowed-out structure is fixed to the surface of the base film; each hollowed-out structure is formed by enclosing a protruding part, and the inner portion enclosed by the protruding part is a hollowed-out part.

Abstract: Implementations for a space-optimized graph database system are provided. One implementation includes a computing system comprising: processing circuitry and memory storing instructions that causes the processing circuitry to: store a graph database comprising an initial tree graph storing a plurality of data entries, each data entry comprising a respective field identifier; receive a query to update the graph database, wherein the query comprises a request to add a new data entry; determine a splitting event to perform based on one or more predetermined criteria; generate a new tree graph corresponding to a field identifier of the new data entry by splitting off a subset of the plurality of data entries of the initial tree graph, wherein the subset comprises all data entries of the initial tree graph that correspond to the field identifier of the new data entry; and update the new tree graph in accordance with the query.

Abstract: The present disclosure is in the field of modulation of genes involved in rare diseases including for diagnostics and therapeutics for rare diseases such as Angelman's Syndrome, Facioscapulohumeral Muscular Dystrophy (FHMD), Amyotrophic Lateral Sclerosis (ALS), Frontotemporal dementia (FTD) and Spinal Muscular Atrophy (SMA).

Abstract: An autonomous cleaning device, includes: a mobile platform, configured to move autonomously on a cleaning surface; and a cleaning module, disposed on the mobile platform and including a wet cleaning module, configured to clean at least part of the cleaning surface in a wet cleaning mode.

Abstract: Implementations for I/O efficient synchronization on a graph database are provided. One example includes a computing system comprising: processing circuitry and memory storing instructions that, during execution, causes the processing circuitry to: implement the graph database using at least: a read-write node and a read-only node operating in cache memory; and a shared storage for data persistence, wherein the shared storage stores a mapping table of the graph database; receive an update query; update the read-write node based on the update query; write, using the read-write node, a set of logs corresponding to the update query to a write-ahead log journal in the shared storage; and retrieve, using the read-only node, the set of logs from the write-ahead log journal.

Abstract: A website misclassification report is received. A determination is made that a current classification model correctly classifies a website. The current classification model is different from a model that was previously used to classify the website. In response to a determination that the website is correctly classified by the current classification model, a reclassification operation is performed, using the current classification model, on a second website.

Abstract: The present application relates to a chip heat dissipating structure, a chip structure, a circuit board and a supercomputing device, and the chip heat dissipating structure includes a plating layer covered on the chip, where the plating layer includes a first metal layer and a second metal layer arranged in sequence. By adding two metal layer on the top of the chip by physical sputtering, the heat sink may be soldered onto the metal layer through a solder layer, so that the heat sink is fixed to the top of the chip; the main component of the solder layer is metal tin, and the metal layer has a higher thermal conductivity than an epoxy resin material mounted on a traditional heat sink, thereby solving a problem of the heat dissipation bottleneck of a resin material in the chip, thus improving a heat dissipation effect of the chip.

Abstract: A light-emitting diode (LED) display panel includes a substrate, a driver circuit array on the substrate and including a plurality of pixel driver circuits arranged in an array, an LED array including a plurality of LED dies each being coupled to one of the pixel driver circuits, a micro lens array including a plurality of micro lenses each corresponding to and being arranged over at least one of the LED dies, and an optical spacer formed between the LED array and the micro lens array.

Abstract: The present disclosure provides an efficient phosphorus-containing toughening reactive flame retardant and a preparation method thereof, and a flame-retardant thermosetting resin, and relates to the technical field of material flame retardancy. In the present disclosure, the reactive flame retardant includes phosphorus, and can improve a flame-retardant performance of the thermosetting resin; meanwhile, the flame retardant further includes reactive N—H activated bonds that can participate in a curing reaction of the thermosetting resin, increasing a degree of cross-linking of the thermosetting resin to further improve tensile properties; in addition, the reactive flame retardant further includes a sacrificial bond structure to improve an impact performance of the thermosetting resin.

Abstract: A thermal management system for an electric motorcycle includes a base board, a motor thermal management loop, a battery thermal management loop, and an electrical line, where the motor thermal management loop includes a motor and a motor tube of the electric motorcycle; the motor tube is in fluid connection with the motor and includes a first fluid for cooling and/or heating the motor; the battery thermal management loop includes a battery and a battery tube of the electric motorcycle; the battery tube is in fluid connection with the battery and includes a second fluid for cooling and/or heating the battery; and the motor tube, the battery tube and the electrical line are located on the base board. A thermal management module for the electric motorcycle is further provided. The thermal management system and the thermal management module can realize integrated thermal management for the electric motorcycle.