Abstract: A battery module and an electric vehicle are provided by the present application. The battery module includes a case body and at least one tray; at least one exhaust port is defined in the case body, at least one tray mounting cavity is defined in the case body, and the case body includes a first mounting surface surrounding a periphery of the tray; the tray is disposed in the tray mounting cavity to divide the tray mounting cavity into a cell accommodating cavity located above the tray and a pressure relief cavity located below the tray, the tray is provided with through holes facing battery cells, the pressure relief cavity is communicated with the through holes and the exhaust port, respectively, and the cell accommodating cavity is configured to accommodate the battery cells; the tray includes a second mounting surface, and the second mounting surface abuts against the first mounting surface.

Abstract: An optical integrated circuit (IC) structure includes: a substrate including a fiber slot formed in an upper surface of the substrate and extending from an edge of the substrate, and an undercut formed in the upper surface and extending from the fiber slot; a semiconductor layer disposed on the substrate; a dielectric structure disposed on the semiconductor layer; an interconnect structure disposed in the dielectric structure; a plurality of vents that extend through a coupling region of the dielectric structure and expose the undercut; a fiber cavity that extends through the coupling region of dielectric structure and exposes the fiber slot; and a barrier ring disposed in the dielectric structure, the barrier ring surrounding the interconnect structure and routed around the perimeter of the coupling region.

Abstract: A method for preparing antibacterial stainless steel by surface alloying includes the steps of coating an infiltration promoter layer on a stainless steel surface, coating an antibacterial metal layer on a surface of the infiltration promoter layer, and performing heat treatment of the stainless steel to diffuse an antibacterial metal into the stainless steel. This method can be applied to various types of stainless steel, and the antibacterial metal can be diffused and quenched into the stainless steel, such that the finally formed surface of the stainless steel has an antibacterial alloy layer with a specific thickness to provide better corrosion resistance and antibacterial ability without changing the advantages and properties of the antibacterial metal or stainless steel substrate, and the thickness and concentration of the antibacterial metal layer, and the parameters for heat treatment can be adjusted to control the chemical composition and thickness of the antibacterial alloy layer.

Abstract: Methods, systems, and devices for wireless communications are described. For instance, a network entity may transmit, to a user equipment Transmission (UE), control signaling indicating that the UE is to provide feedback corresponding to a set of feedback process identifiers for at least one component carrier. The network entity may transmit, to the UE, a cancellation indication Feedback Message that cancels a scheduled uplink transmission in which the UE is scheduled to provide feedback data corresponding to a subset of the set of feedback process identifiers. The network entity may transmit, to the UE, a control message scheduling the UE to transmit the feedback data corresponding to the subset of the set of feedback process identifiers (e.g., based on the cancellation indication). The UE may transmit, to the network entity, a feedback message including the feedback data for the subset based on the control message.

Abstract: This application relates to the artificial intelligence (AI) field, and specifically, to a voice quality enhancement method and a related device. The method includes: after a PNR mode is enabled, obtaining a noisy voice signal and target voice-related data, where the noisy-carrying voice signal includes a voice signal of a target user and an interfering noise signal, and the target voice-related data indicates a voice feature of the target user; and performing noise reduction on the noisy voice signal based on the target voice-related data by using a trained voice noise reduction model to obtain a noise-reduced voice signal of the target user, where the voice noise reduction model is implemented based on a neural network. In embodiments of this application, voice of a target person can be enhanced, and interference can be suppressed.

Abstract: Disclosed are a device of complex gas mixture detection based on optical-path-adjustable spectrum detection and a method therefor, and the device includes: a light source configured for generating an incident beam and emitting the incident beam into an optical gas cell; the optical gas cell, including a cavity configured for accommodating a gas sample, and a reflection module group configured for reflecting the incident beam and a track arranged in the cavity, where the track is consistent with a light path of the light beam in the cavity; a detector module that is connected with the track in a relatively movable manner and is configured for receiving light beams and obtaining spectral data, where an optical path is changed by moving the detector module relative to the track; and a data acquisition unit that is configured for acquiring the spectral data obtained by the detector module.

Abstract: A video decoder can be configured to determine that a current block in a current picture of the video data is coded in an affine prediction mode; determine one or more control-point motion vectors (CPMVs) for the current block; identify an initial prediction block for the current block in a reference picture using the one or more CPMVs; determine a current template for the current block in the current picture; and determine an initial reference template for the initial prediction block in the reference picture; and perform a motion vector refinement process to determine a modified prediction block based on a comparison of the current template to the initial reference template.

Abstract: Disclosed are a dynamic error measurement apparatus, system, and method for an electricity meter. The measurement apparatus includes a test signal generation unit configured to generate a voltage test signal and two-circuit current test signals, output the voltage test signal to a measurement unit, and output the two-circuit current test signals to the measurement unit and a current summation unit; the measurement unit configured to determine two-circuit electric energy values based on the voltage test signal and the two-circuit current test signals, and output the two-circuit electric energy values to a calculation control unit; the current summation unit configured to determine a combined current signal based on the two-circuit current test signals; and the calculation control unit configured to determine a total electric energy value based on the two-circuit electric energy values. The system includes a standard meter and a measurement apparatus.

Abstract: Systems and methods are disclosed for providing a virtual mouse for a computing device have a touchscreen. A first placement region of the touchscreen may be determined. The first placement region may then be determined to contain a first portion of at least one touch target. The first portion of the at least one touch target may then be deactivated. A virtual mouse may then be activated at the first placement region.

Abstract: A bifunctional catalyst and a preparation method therefor are provided. The bifunctional catalyst is prepared by providing carbon matrix, adding 0.01-10 mol/L platinum containing solution, 0.01-10 mol/L palladium containing solution, 0.01-10 mol/L silver containing solution, and 0.01-15 mol/L sodium citrate trihydrate solution to the carbon matrix for reacting at 20° C. to 80° C. for 0.5 h to 24 h to obtain a mixed solution, and adding reducing agent to the mixed solution for reacting for 0.5 h to 30 h, and centrifuging and drying so as to obtain the bifunctional catalyst.

Abstract: Disclosed is a prediction method for tool remaining life of a numerical control machine tool based on a hybrid neural model, including: constructing a hybrid neural network model, specifically including the following steps: constructing sample data according to the sampling frequency of tool data; obtaining a first feature vector representing the tool life by utilizing a convolutional neural network and a long short-term memory network; generating working condition signals of sampling points into a second feature vector representing the tool life by utilizing an NFM neural network; and inputting a current working time of a tool and the acquired feature vectors into a multi-layer perceptron for fusion to predict the tool life.

Abstract: A safety-guaranteed control system for automated vehicles (AVs) considers both vehicle and tire stabilities on varying road conditions. Conventional AV control systems may not be sufficient to adequately handle control-dependent and time-varying safety constraints. The system integrates control-dependent barrier functions (CDBF) and time-varying CBFs (TCBFs) with control Lyapunov functions (CLFs) in a quadratic programming problem.

Abstract: The present disclosure relates to a pharmaceutical combination comprising (1) a first agent which is a CDK inhibitor or a pharmaceutically acceptable salt thereof and (2) a second agent which is an anti-hormonal agent or a pharmaceutically acceptable salt thereof. The present disclosure also relates to a pharmaceutical combination comprising (1) a first agent which is a CDK inhibitor or a pharmaceutically acceptable salt thereof, (2) a second agent which is an anti-hormonal agent or a pharmaceutically acceptable salt thereof, and (3) a third agent which is an agent that regulates the PI3K/Akt/mTOR pathway or a pharmaceutically acceptable salt thereof.

Abstract: A preparation method for a copper plate-covered silicon nitride ceramic substrate is provided. The structure of the copper plate-covered silicon nitride ceramic substrate includes a silicon nitride ceramic substrate, copper sheets disposed on the upper and lower sides of the silicon nitride ceramic substrate and soldering layers disposed between the copper sheets and the silicon nitride ceramic substrate; the composition of the silicon nitride ceramic substrate comprises a silicon nitride phase (more than or equal to 95 wt %); and a grain boundary phase (containing at least three elements (Y, Mg and O) and less than or equal to 5 wt %, and the content of a crystalline phase in the grain boundary phase is more than or equal to 40 vol %); and the sintering aids are Y2O3 and MgO. The two-step sintering process comprises: in a nitrogen atmosphere, performing low-temperature heat treatment and high-temperature heat treatment in sequence.

Abstract: Music pushing method, apparatus, electronic device, and storage medium are provided by the embodiments of the present disclosure, for the method, firstly, a user end displays user information that satisfies a preset association relationship with music currently on a music playing interface in response to an operation acting on the music playing interface. In the present embodiments, upon inputting an operation instruction on target music by a user, information of other users who have taken an associated operation instruction to the target music and have an unrestricted friend relationship with the user is displayed, and by presenting music lists corresponding to other users, the user is guided to acquire music pushing information, and thus, ways for the user to acquire the music pushing information are expanded, and problems that music pushing is single and centralized as well as the pushing depends on a friend relationship are overcome.

Abstract: A compact optical imaging device with short optical length and low sensitivity, for use in an imaging module and an electronic device, comprises first to fifth lenses and a filter. An image-side surface of the fourth lens is convex near an optical axis of the optical imaging device. An image-side surface of the fifth lens is concave near the optical axis. The optical imaging device satisfies formulas 0.03 mm/°<TL5/FOV<0.1 mm/° and 2.4 mm<TL4/FNO<2.9 mm, TL5 being a distance from an object-side surface of the fifth lens to an image plane of the optical imaging device along the optical axis, FOV being a maximum field of view, TL4 being a distance from an object-side surface of the fourth lens to the image plane along the optical axis, and FNO being a F-number of the optical imaging device.

Abstract: A positive electrode active material and a preparation method therefor, a positive electrode plate containing same, a secondary battery, and a power consuming device are provided. The positive electrode active material has a core-shell structure, comprising an inner core and a shell coating the inner core, wherein the inner core comprises Li1+xMn1?yAyP1?zRzO4, and the shell comprises a first coating layer coating the inner core, and a second coating layer coating the first coating layer, and a third coating layer coating the second coating layer. The positive electrode active material of the present application enables the secondary battery to have a higher energy density, and a good rate performance, cycling performance and safety performance.

Abstract: This application provides a live streaming processing method performed by an electronic device. The method includes: displaying a live streaming room, the live stream room having a host account, a host sub-account and multiple viewer accounts, the host sub-account being used for assisting the host account of the live streaming room in operation; receiving real-time live streaming data of the live streaming room, and displaying a live streaming content on a live streaming room page according to the real-time live streaming data, the real-time live streaming data collected from the host account and the viewer accounts; and displaying, in response to a live streaming room operation of the host sub-account, an operation result of the live streaming room operation of the host sub-account in the live streaming room, wherein the operation result of the live streaming room operation updates the live streaming content on the live streaming room page.

Abstract: The present disclosure is generally related to a data processing system to detect potential exfiltration of audio data by agent applications can include a data processing system. The data processing system can identify, from an I/O record, an input received from the digital assistant application via a microphone of a client device, an output received from the agent application after the input, and a microphone status for the microphone. The data processing system can determine that the output is terminal based on the input and the output. The data processing system can identify the microphone status as in the enabled state subsequent to the input. The data processing system can determine that the agent application is unauthorized to access audio data acquired via the microphone of the client device based on determining that the output is terminal and identifying the microphone status as enabled.

Abstract: A socket is portably and removably attached to a tool and includes a body with a mounting hole which includes multiple faces. Each face includes a first protrusion and two groups of second protrusions located on two sides of the first protrusion. The first protrusion of each face includes a first flat distal surface which has a certain length. Each second protrusion includes a second flat distal surface which is tilt relative to the first flat distal surface. The two respective slopes of the second flat distal surfaces of the two groups of the second protrusions are opposite to each other. A first imaginary plane is co-linear with the first flat distal surface. A second imaginary plane is co-linear with the second flat distal surfaces of each second protrusion. An angle is formed between the first and second imaginary planes. The socket can drive a normal or rounded bolt.