Abstract: The disclosure relates to a top compression plate, a secondary battery and a method for manufacturing a secondary battery. The secondary battery includes a cap plate; an electrode terminal disposed on the cap plate; an electrode assembly which comprises a main body and a tab connected to the main body, wherein the tab is connected to the electrode terminal; an insulating member disposed between the cap plate and the main body, wherein the insulating member comprises a connecting protrusion extending toward the main body; and a top compression plate disposed between the insulating member and the main body. The top compression plate comprises a first surface facing the main body and a mounting hole mating with the connecting protrusion, and a top end surface of the connecting protrusion does not exceed the first surface.

Abstract: An integrated valve is made by a method for designing and manufacturing a valve body of the integrated valve. The method for designing the valve body of the integrated valve includes: determining an internal flow channel structure of a valve body model of the integrated valve according to a hydraulic function implemented by the integrated valve; determining a position and a size of respective mounting structures, matched with the external devices, in the valve body model; determining a work structure of the valve body model according to the internal flow channel structure, and the position and the size of respective mounting structures; determining an internal connection plane of the valve body model, and determining an internal supporting table; and determining an external shell of the valve body model, and connecting the external shell with the work structure and the internal supporting table.

Abstract: A docking method executable by a mobile device is provided. The docking method includes obtaining a stored target location of a docking station, and navigating to the target location. The docking method also includes: during the navigation and/or at the target location, based on a determination that a guidance signal is not detected, performing a regional search. The docking method also includes: during the navigation, or at the target location, or during the regional search, based on a determination that the guidance signal is detected, moving, under the guidance of the guidance signal, to the docking station. Performing the regional search includes determining a basic search zone, searching for the guidance signal while moving along boundaries of the basic search zone, and based on a determination that the guidance signal has not been detected when a termination condition is satisfied, terminating the regional search.

Abstract: A lidar and an optical chip. The lidar includes a laser light source, a beam splitter, an optical transceiving unit, a coherent interference light rejection unit, a detection unit, and a signal processing unit. The laser signal is divided into a detection light signal and a local oscillator light signal which enters the coherent interference light rejection unit through the beam splitter, and the detection light signal is emitted to a detection space through the optical transceiving unit; besides, the optical transceiving unit receives an echo signal, and generates an interference light signal during transmitting the detection light signal. The echo signal and the interference light signal enter the coherent interference light rejection unit and are mixed with a phase-shifted local oscillator light signal to eliminate the interference light signal, generate a beat frequency signal and send the beat frequency signal to the signal processing unit.

Abstract: The technology of this application relates to a communication method, a communication apparatus, and a system. A first terminal receives first indication information from an access network device, where the first indication information indicates to enable aggregated transmission or indicates to disable the aggregated transmission, the aggregated transmission includes first data transmission that is performed with the access network device through a first terminal device and a second terminal device, first data includes first sub-data and second sub-data; and enables or disables the aggregated transmission based on the first indication information. In a possible embodiment of this application, the first terminal may dynamically enable or disable aggregated transmission based on an indication of the access network device.

Abstract: Embodiments of the present disclosure provide method and apparatus for Designated Router (DR) seamless switchover. A method performed by a network device comprises detecting a DR failure event due to a failure DR. The method further comprises detecting that the second edge device is unreachable. The method further comprises holding refresh of router-Link State Advertisements (router-LSA) in a link-state database and flooding procedure, when a Backup Designated Router (BDR) has not declared to be a working DR in an Open Shortest Path First (OSPF) network.

Abstract: Machine-learning-based, adaptive updating of quantitative data in a database system is provided, which includes training one or more machine learning models to facilitate adaptively updating quantitative data in the database system, and ascertaining an update urgency index for updating the quantitative data for one or more data structures of the database system. The update urgency index is representative of an urgency for updating the quantitative data for the data structure(s) and is based, at least in part, on real-time query metrics. The machine learning model(s) is used to adaptively update the quantitative data, where the adaptively updating is based, at least in part, on the ascertained update urgency index. Processing of a database query is optimized in the database system using the adaptively updated quantitative data.

Abstract: Embodiments include methods executed by a processor of a robotic device for selecting a frontier goal for autonomous map building within a space, including determining trajectory costs for the robotic device traversing from an occupied area to each of a plurality of available frontier goals, wherein the plurality of available frontier goals include positions within the space from which the robotic device is configured to collect information to autonomously build a map of the space, determining co-visibility costs for each of the plurality of available frontier goals, determining a frontier cost for each of the plurality of available frontier goals based on a difference between the trajectory cost and the co-visibility cost of the respective available frontier goal; and selecting one of the plurality of available frontier goals having a lowest determined frontier cost.

Abstract: Disclosed are a method and system for resource treatment of a reverse osmosis concentrated brine (ROC) by bipolar membrane electrodialysis. The method includes: adding a calcium-magnesium precipitant to ROC, and mixing, to remove hardness; filtering a resulting mixture through diatomaceous earth, to intercept an organic matter and a precipitate; adjusting a resulting filtrate to be acidic with a pH adjuster; feeding a resulting acidic filtrate in an electro-Fenton reaction device, and subjecting the resulting acidic filtrate to oxidation under an acidic environment, such that a chemical oxygen demand removal rate is not less than 97%; subjecting a resulting effluent from the electro-Fenton reaction device to fine filtration with a polypropylene microporous filter, to obtain a fine filtrate; and introducing the fine filtrate into a bipolar membrane electrodialysis device, and performing the bipolar membrane electrodialysis, to generate an acid and an alkali under the action of an external electric field.

Abstract: Implementations of the present disclosure relate to methods, devices, and computer program products for generating a destination vocabulary from a source vocabulary. In a method, a group of candidate vocabularies are determined from the source vocabulary based on a corpus, a size of a candidate vocabulary in the group of candidate vocabularies being different from a size of the source vocabulary. A group of marginal scores are obtained for the group of candidate vocabularies, respectively, a marginal score in the group of marginal scores being obtained for the candidate vocabulary based on a corpus entropy of the candidate vocabulary and a size of the candidate vocabulary. The destination vocabulary is selected from the group of candidate vocabularies based on the group of marginal scores.

Abstract: A local buffer is integrated with a witness generator and a proof generator on a cryptographic processor and is separate from host memory accessed by a host processor operating with the cryptographic processor in a proving computing system. The witness generator: receives, from software program running on the host processor, compiled code of a zero-knowledge-proof (ZKP) program and specific input to the ZKP program; executes the ZKP program by way of executing the compiled code; records specific output generated from the ZKP program with the specific input, intermediate variable values, and the specific input, as a specific witness of executing the ZKP program; stores the specific witness in the local buffer. The proof generator: receives, from the software program running on the host processor, a proving key; accesses the specific witness in the local buffer; generates a specific zero-knowledge proof for executing the ZKP program with the specific input.

Abstract: A method, apparatus, device, and medium for action execution are provided. In a method, a set of actions to be executed at a first device is determined from a plurality of actions based on a first action model at the first device. A data accumulated indicator associated with the set of actions is obtained, the data accumulated indicator indicating an amount of data to be sent from the first device to a second device associated with the first device. In response to that the data accumulated indicator meets a predetermined condition, parameter data associated with the set of actions is transmitted to the second device to cause the second device to update a second action model at the second device using the parameter data, the parameter data comprising reward data and consumption data associated with the set of actions respectively.

Abstract: A method, computer program product and computer system to track and test custom webpage components is provided. A processor retrieves a production webpage. A processor determines a custom component of the production webpage. A processor retrieves component metadata associated with the custom component. A processor generates a hidden element in the production webpage including the component metadata, wherein the production webpage is configured to make the hidden element visible in response to an event.

Abstract: The present disclosure relates to a method and system for predicting the critical floating time of a reinforcing phase. According to the method, a particle concentration processing model, a half-life processing model, an agglomeration kinetics model, and a floating time processing model are combined to obtain the critical floating time of a reinforcing phase particle according to an initial particle size of the reinforcing phase particle, a density of the reinforcing phase particle, a mass fraction of the reinforcing phase of a composite soldering material, and a density of the composite soldering material. The method and system can accurately predict the critical floating time of the reinforcing phase particle.

Abstract: The disclosure belongs to the technical field of integrated navigation under non-ideal conditions, and in particular relates to a robust filtering method for integrated navigation based on a statistical similarity measure (SSM). In view of the situation that there are normal beam measurement information of the DVL and beam measurement information with a large error simultaneously in a SINS/DVL tightly integrated system, and aiming at the problem that the existing robust filters of an integrated navigation system process the measurement information in a rough manner and are likely to lead to loss of normal measurement information, the disclosure proposes a novel robust filtering method based on decomposition of multi-dimensional measurement equations and the SSM.

Abstract: A method and system for determining acoustic emission (AE) parameters of rock based on moment tensor analysis. The method includes: constructing, according to macroscopic mechanical parameters, a numerical model of a rock specimen to be tested; loading the numerical model through particle flow code software to simulate a failure process of the rock specimen to be tested, and identifying fracturing time and positions of microcracks when the PFC software loads the numerical model; determining, when the PFC software loads the numerical model, if rock grains of two sequentially generated microcracks include common rock grains, and an interval for generating the two microcracks is less than duration time of a present AE event, the two microcracks as a same AE event; taking geometric centers of all microcracks within a spatial range of an AE event as source positions of the corresponding AE event; and determining AE parameters of the AE event.

Abstract: The present application provides a battery cover plate and a battery. The battery cover plate includes a cover plate body, a first seal, a second seal, and a sealing ring. The cover plate body is provided with a liquid injection hole, the first seal is attached to a hole wall of the liquid injection hole and is provided with a threaded hole extending along an axis direction of the liquid injection hole. The second seal includes a head and a connecting part, a diameter of the head is greater than a diameter of the connecting part, a first step surface is defined between the head and the connecting part, the connecting part is provided with an external thread threadedly connected to the threaded hole. The sealing ring is sleeved on the connecting part and located between the first step surface and an upper surface of the cover plate body.

Abstract: A communication method and apparatus to prevent a network device from frequently configuring signatures for a terminal device, and to reduce signaling overheads and power consumption of the network device and the terminal device. A terminal device determines a first downlink signal from a plurality of downlink signals. The terminal device determines, based on the first downlink signal, at least one signature from a plurality of signatures that have a mapping relationship or an association relationship with the plurality of downlink signals. The terminal device sends data by using the at least one signature.

Abstract: A hydraulic active suspension for a vehicle includes: a shock absorber, a common channel, an accumulator module, and a liquid storage apparatus. The shock absorber has a housing, a piston, and a piston rod. The housing is adapted to be connected to a wheel or an axle. The piston is located in the housing and defines an upper chamber and a lower chamber of the shock absorber. One end of the piston rod is connected to the piston. The other end of the piston rod projects out of the housing and is adapted to be connected to a body. Both the liquid storage apparatus and the accumulator module are in communication with the lower chamber through the common channel. The liquid storage apparatus is configured to adjust a height of the vehicle. The accumulator module is configured to adjust at least one of stiffness and damping of the shock absorber.

Abstract: A solid pharmaceutical composition containing a 1,3,5-triazine derivative or a pharmaceutically acceptable salt thereof and a preparation method therefor. In particular, involved are a solid pharmaceutical composition containing 4-(tert-butoxyamino)-6-(6-(trifluoromethyl)pyridin-2-yl)-N-(2-(trifluoromethyl)pyridin-4-yl)-1,3,5-triazine-2-amine or a pharmaceutically acceptable salt thereof and a preparation method therefor. The solid pharmaceutical composition has a good stability, a fast dissolution rate and a high bioavailability, and is suitable for clinical production and use.