Abstract: A current collector disk and a battery. The current collector disk includes a disk body on which a plurality of infiltration holes is provided. The infiltration holes penetrate through the disk body in a direction of a thickness of the disk body. The disk body has a first side surface and a second side surface which are oppositely disposed. The first side surface is recessed with a plurality of grooves. At least one end of each of the plurality of grooves communicates with a respective one of the plurality of infiltration holes. The battery includes the current collector disk described above.

Abstract: A cap includes: a cap body; a pole; and a sealing nail. The pole is connected to the cap body. The pole defines a slot; a plane in which an upper surface of the pole is located is defined as a first plane; a slot wall includes a first section face; the first section face is connected to the first plane; an angle between the first section face and the first plane is ?2. The sealing nail is arranged in the slot and welded to the pole. A plane in which an upper surface of the sealing nail is located is defined as a second plane; a side wall of the sealing nail includes a first portion face; the first portion face is connected to the second plane; an angle between the first portion face and the second plane is ?1. The angle ?1?the angle ?2.

Abstract: A current sensor includes: four first uniaxial TMR chips and at least two second uniaxial TMR chips, each first uniaxial TMR chip and each second uniaxial TMR chip being located on the same virtual ring, wherein magnetic sensitive directions of the four first uniaxial TMR chips are perpendicular to a radius of the virtual ring, magnetic sensitive directions of two adjacent first uniaxial TMR chips are perpendicular to each other, magnetic sensitive directions of the two second uniaxial TMR chips are parallel to the radius of the virtual ring and opposite to each other, and the two second uniaxial TMR chips respectively have the same positions as two first uniaxial TMR chips; each first uniaxial TMR chip and each second uniaxial TMR chip are configured to collect a magnetic induction intensity, the magnetic induction intensity is configured to calculate a target current value of a to-be-measured wire.

Abstract: A nucleoside triphosphate photoaffinity probe, method for preparing same, and applications thereof. The nucleoside triphosphate photoaffinity probe is a novel small molecule activity probe for detecting nucleoside triphosphate-binding proteins and is based on the structure of nucleoside triphosphates (GTP and ATP) connected to a smaller photoaffinity side chain modification. This probe can effectively label nucleoside triphosphate-binding proteins in cell lysates for high-throughput proteomics analysis, identify and analyze the binding sites of the probe, and can also be used to analyze the action sites of nucleoside triphosphate competitive inhibitors, thus having significant practical application value.

Abstract: A floorboard connecting base and a floorboard connecting structure are disclosed in the application. The floorboard connecting base includes a base body, a convex part and a limiting part. The convex part is located at an end of an upper surface of the base body. The limiting part is located at the upper surface of the base body, and is spaced from the convex part to form an installation groove for inserting a floorboard unit, and a free end of the limiting part is bent in a direction towards the convex part to form a step block for limiting the floorboard unit. The floorboard connecting structure according to the disclosure is of a locking type, so it can be paved without glue due to a locking force, which is environment-friendly. A whole structure may extend all around with change of temperature, and there will be no uplift or cracking.

Abstract: A floorboard unit and a floorboard connecting structure are disclosed in the application. The floorboard unit includes a floorboard body and a connecting post. The connecting post is located at an end edge of a lower surface of the floorboard body, and an end of the connecting post is provided with a hooking part folded in a direction toward an end of the floorboard body, and the hooking part is of an approximate trapezoidal structure, and the hooking part is provided with an introduction sloping face for auxiliary clamping. The floorboard connecting structure according to the disclosure is of a locking type, so it can be paved without glue due to a locking force, which is safe and environment-friendly. A whole structure may extend all around with change of temperature, and there will be no problems such as uplift or cracking due to the change of temperature.

Abstract: Some embodiments of this application provide an injection nozzle and an injection apparatus containing same. The injection nozzle includes a body, an injection pipe, and a baffle. The body contains a channel arranged along a height direction of the injection nozzle. A first outlet is disposed at a lower part of the channel. The injection pipe is threaded through the channel in a manner of reciprocating movement along the height direction. The baffle is connected to the body and configured to cover the first outlet when a lower end portion of the injection pipe is higher than the first outlet, and be propped open by the injection pipe when the lower end portion of the injection pipe is lower than the first outlet.

Abstract: A current collecting plate and a battery are provided in the present application, where the current collecting plate is applied to a battery including a battery cell and a housing, the current collecting plate includes a plate body and a buffer part, and at least two buffer parts are provided, each of the buffer parts is bent to form an abutment part, the abutment part is protruded from a side of the plate body away from the battery cell, the abutment part abuts against the housing, and one end of either of two adjacent ones of the buffer parts is connected through a weak part, and another end of the buffer part away from the weak part is connected with the plate body.

Abstract: The disclosure belongs to the technical field of organic photoelectric materials, and discloses carbonyl containing organic electroluminescent materials and use thereof in OLED. The carbonyl containing organic electroluminescent materials have a structure of formula I, wherein R1 and R2 are different in Formula I, R1 and R2 are different electron-donating groups of aromatic ring derivatives; R1 is an electron-donating groups of hole transport host materials or electron-donating groups of bipolar transport host materials. The luminescent materials of the present disclosure are organic electroluminescent materials based on derivatives of a host material and a benzoyl group. They have both AIE and delayed fluorescence characteristics with high-efficiency solid-state emission, high exciton utilization, and bipolar features.

Abstract: The present application provides a top cap assembly and a battery structure. The battery includes a housing including a mounting hole, and the top cap assembly passes through the mounting hole of the housing. The top cap assembly includes a pole, a sealing element, and a plastic element. The pole is provided with an annular groove recessed in a radial direction. The sealing element is sleeved on the pole and positioned in the annular groove. The sealing element is sandwiched between the housing and a groove wall of the annular groove, and the sealing element is partially positioned outside the housing. The plastic element is sleeved on the sealing element and positioned outside the housing, and the plastic element is partially sandwiched between the housing and the groove wall of the annular groove.

Abstract: Provided herein is a method for preparing a flat-surfaced MAPbBr3 perovskite block and a use thereof. The preparation steps include: preparing a mixed solution formed by adding MABr and PbBr2 to a DMF solution; preparing a nickel foam mesh with the precursor solution; removing excess reaction liquid from the nickel foam mesh; and drying the nickel foam mesh to obtain the flat-surfaced MAPbBr3 perovskite block. It employs a solution-based method to fabricate MAPbBr3 perovskite on a nickel foam mesh, resulting in flat-surfaced MAPbBr3 perovskite blocks. The prepared perovskite can be utilized in the fields of solar cells, LEDs, and photoelectric hydrolysis. The method is simple and easy to operate, by using a solution-based method on a nickel foam mesh, flat-surfaced perovskite blocks can be formed, and the flat surface is beneficial for light absorption and energy conversion, thus enhancing the performance of the sample.

Abstract: Provided are a video stream processing method and apparatus, an electronic device and a computer-readable medium, which relate to the field of Internet technology. An exemplary method includes: storing a video frame in an original video stream in a first buffer area by calling a video stream processing interface of a video stream processing tool; processing the video frame in the first buffer area by means of a video frame processing model to obtain a processed video frame; and on the basis of the processed video frame, generating a standard video stream corresponding to the original video stream. By means of the embodiments of the this application, the software complexity of video stream processing is effectively reduced, and the speed of video stream processing is effectively improved.

Abstract: The present disclosure discloses a method for preparing a carbon nanodot-modified nickel phosphide nanosheet and a use thereof as auxiliary materials in water electrolysis. The preparation steps include: preparing water solution containing carbon nanodots; attaching the carbon nanodots to the surface of a hydrogen-producing electrode in water electrolysis; and annealing the hydrogen-producing electrode with carbon nanodots. The carbon nanodots obtained by this preparation method have extremely small sizes and relatively uniform diameters, facilitating the attachment with other materials, and the integration of these carbon nanodots with the hydrogen-producing electrode in water electrolysis significantly enhances the hydrogen production efficiency, substantially reducing the cost required for hydrogen production through water electrolysis.

Abstract: Embodiments are generally directed to an adaptive deformable kernel prediction network for image de-noising. An embodiment of a method for de-noising an image by a convolutional neural network implemented on a compute engine, the image including a plurality of pixels, the method comprising: for each of the plurality of pixels of the image, generating a convolutional kernel having a plurality of kernel values for the pixel; generating a plurality of offsets for the pixel respectively corresponding to the plurality of kernel values, each of the plurality of offsets to indicate a deviation from a pixel position of the pixel; determining a plurality of deviated pixel positions based on the pixel position of the pixel and the plurality of offsets; and filtering the pixel with the convolutional kernel and pixel values of the plurality of deviated pixel positions to obtain a de-noised pixel.

Abstract: The present disclosure relates to a wide-range perpendicular sensitive magnetic sensor and the method for manufacturing the same, the magnetic sensor includes a substrate, a plurality of magnetic tunnel junctions, a plurality of magnetic flux regulators, a first output port and a second output port.

Abstract: The present disclosure relates to a wide-range perpendicular sensitive magnetic sensor and the method for manufacturing the same, the magnetic sensor includes a substrate, a plurality of magnetic tunnel junctions, a plurality of magnetic flux regulators, a first output port and a second output port.

Abstract: A Ziegler-Natta catalyzed ethylene/alpha-olefins copolymer is provided having sporadic long chain branches and reversed comonomer composition distribution or short chain branching distribution (SCBD) in the high molecular weight fractions. According to the invention, polyethylene film made with the inventive copolymer has a balance of improved physical, optical, mechanical properties as well as processability. In one aspect, the film includes a 1% secant modulus of greater than 25,000 psi, a film haze of less than 10, a film clarity of greater than 90, a dart impart resistance of greater than 500 g/mil, and a MD tear strength of greater than 500 g/mil.

Abstract: A current sensor includes: four first uniaxial TMR chips and at least two second uniaxial TMR chips, each first uniaxial TMR chip and each second uniaxial TMR chip being located on the same virtual ring, wherein magnetic sensitive directions of the four first uniaxial TMR chips are perpendicular to a radius of the virtual ring, magnetic sensitive directions of two adjacent first uniaxial TMR chips are perpendicular to each other, magnetic sensitive directions of the two second uniaxial TMR chips are parallel to the radius of the virtual ring and opposite to each other, and the two second uniaxial TMR chips respectively have the same positions as two first uniaxial TMR chips; each first uniaxial TMR chip and each second uniaxial TMR chip are configured to collect a magnetic induction intensity, the magnetic induction intensity is configured to calculate a target current value of a to-be-measured wire.

Abstract: This application relates to the field of battery manufacturing technologies, and in particular, to an electrolyte injection apparatus and an electrolyte injection method. The electrolyte injection apparatus includes an electrolyte injection assembly, a gas extraction assembly, and a gas injection assembly. The electrolyte injection assembly has an electrolyte injection end, the electrolyte injection end being configured to communicate with an inner cavity of the housing. The gas extraction assembly has a gas extraction end, the gas extraction end being configured to communicate with the inner cavity of the housing. The gas injection assembly has a gas inlet and a gas injection end, the gas inlet being configured to communicate with a gas storage container, and the gas injection end being configured to communicate with the inner cavity of the housing, where the gas storage container stores target gas, the target gas being soluble in the electrolyte.

Abstract: The present disclosure relates to an AC/DC closed-loop current sensor, including a magnetism gathering iron core, a TMR chip, a signal processing circuit, a signal generator, and a feedback coil. The TMR chip is arranged at an air gap of the magnetism gathering iron core and connected to the signal processing circuit. The signal processing circuit is connected to the signal generator. The feedback coil is wound around the magnetism gathering iron core and connected to the signal generator. The signal processing circuit is configured to select from the induced signal of the TMR chip and make an amplification to obtain a current signal component and send the current signal component to the signal generator. The signal generator is configured to adjust a current output to the feedback coil based on the current signal component, and output a measurement result of the selected current signal component.