Abstract: The present disclosure provides an electrical connection structure, a charging socket and an automobile, in which the electrical connection structure is applied to a circuit board, and the circuit board is provided with a plug-in hole. The electrical connection structure comprises a metal dome and a plug-in terminal, in which the metal dome includes a base band and a plurality of elastic sheets respectively connected to the base band, the base band is wrapped around at least a portion of an outer periphery of the plug-in terminal, the elastic sheets have a protrusion portion which protrudes outwards, and the protrusion portion abuts against a surface of the circuit board, and the plug-in terminal is electrically connected to the circuit board by means of the metal dome.

Abstract: A catalytic structure has a plurality of high-entropy alloy (HEA) nanoparticles. Each HEA nanoparticle is composed of a homogenous mixture of elements of cobalt (Co), molybdenum (Mo), and at least two transition metal elements. For example, in some embodiments, each HEA nanoparticle is a quinary mixture of Co, Mo, iron (Fe), nickel (Ni), and copper (Cu). The homogenous mixture in each HEA nanoparticle forms a single solid-solution phase. The catalytic structure can be used to catalyze a chemical reaction, for example, ammonia decomposition or ammonia synthesis. Methods for forming the catalytic structure are also disclosed.

Abstract: A rubber voice diaphragm is composed of main rubber, distortion improving agent, vulcanizing agent, accelerant, reinforcing filler, and other processing aids. The distortion improving agent is a substance with number-average molecular weight ranging from 1000 to 1000000, and structure of distortion improving agent has special chemical crosslinking points that participate in rubber vulcanization reaction. The special chemical crosslinking points are present in amount of 0.01% to 30% based on mass of distortion improving agent. The distortion improving agent is added in amount of 0.1% to 100% based on mass of main rubber. Frequency bands for improving distortion of distortion improving agent range from 0.1 HZ to 20000 Hz. In the rubber voice diaphragm provided in the present disclosure, a special distortion improving agent is selected, which solves the problems of molecular migration, poor reliability, a high modulus change rate, and poor rubber mechanical properties existing in traditional modified method.

Abstract: A battery equalization system, a vehicle, a battery equalization method, and a storage medium. The battery equalization system includes: a collection circuit; and equalization circuit; a controller, connected to the collection circuit and the equalization circuit; and a power supply branch circuit, controlled by the controller to get connected to a power supply unit and the battery equalization system when a vehicle is in an OFF gear and a cell needs enabling of equalization, so that the power supply unit supplies power to the battery equalization system.

Abstract: A culture medium for culturing mammary epithelial cells, which medium contains ?-estradiol, insulin-like growth factor 1, basic fibroblast growth factor, tumor necrosis factor-?, and optionally fibroblast growth factor 10. A method for culturing mammary epithelial cells using the culture medium, and a method and the use of cells obtained using the culture method in evaluating or screening the efficacy of a drug.

Abstract: A connector assembly having a liquid cooling function and a vehicle. The connector assembly includes at least one electrical connection framework and a connector that includes a connection terminal. Two ends of the electrical connection framework are electrically connected to the connection terminal respectively. The electrical connection framework is provided with a hollow inner cavity, and an outer periphery of the electrical connection framework is sleeved with a protective shell. A cavity is formed between the outer periphery of the electrical connection framework and an inner wall of the protective shell, and a cooling liquid flows through the hollow inner cavity and the cavity. The present disclosure can reduce an electrical high-temperature failure and a diameter of the electrical connection framework, and shield the electromagnetic interference.

Abstract: This application provides a switch power supply circuit and a terminal device, and the switch power supply circuit uses a second switch transistor to replace a diode in an asynchronous switch power supply circuit. A turn-on impedance of the switch transistor is very small, only tens of milliohms, so that a turn-on voltage drop in the switch power supply circuit is reduced from hundreds of millivolts to tens of millivolts, power loss of the switch power supply circuit is greatly reduced, and output efficiency is improved. Moreover, this solution uses a discrete component to form a control circuit to control a switch status of the second switch transistor without additionally setting a pulse width modulation (PWM) controller, and costs of the discrete component are far lower than costs of the PWM controller, reducing hardware costs of a switch power supply and simplifying a circuit design.

Abstract: Described are methods of dephosphorylation. Methods of dephosphorylation include contacting a phosphate containing substrate with one or more CeO2 nanocrystal. Also described is modifying the pH of the dephosphorylation reaction to affect the amount and rate of dephosphorylation. Further described are methods of making CeO2 nanocrystals of the present disclosure.

Abstract: Systems, methods, and other embodiments associated with clustering of time series signals based on frequency domain analysis are described. In one embodiment, an example method includes accessing time series signals to be separated into clusters. The example method also includes determining similarity in the frequency domain among the time series signals. The example method further includes extracting a cluster of similar time series signals from the time series signals based on the similarity in the frequency domain. And, the example method includes training a machine learning model to detect anomalies based on the cluster.

Abstract: A method for manufacturing a masking film includes forming a molten polymer web that includes at least one polymer, spraying a fluid on one side of the molten polymer web to rapidly cool a random pattern of locations on the one side of the molten polymer web, and cooling the molten polymer web to form the masking film. The masking film includes a plurality of protrusions on one side thereof that correspond to the random pattern of locations on the one side of the molten polymer web contacted by the fluid.

Abstract: The present disclosure provides a connector having a semiconductor cooling device, and an automobile. The connector includes a lead wire (22), a terminal (23) and a semiconductor cooling device (30). One end of the terminal (23) is connected to the lead wire (22), and the other end thereof is used to be connected to an external electrical structure. The semiconductor cooling device (30) includes a refrigeration portion (31) that absorbs heat of the terminal and a heat dissipation portion (32). The present disclosure mitigates the technical problems of high heat generation at a connection point between the lead wire and the terminal and frequent burnout of the connection point.

Abstract: This application relates to a frame and an electronic device. The frame includes a first body and a second body. The first body includes a sealing surface, and the second body includes a flow-blocking part sunken toward one side. An extension surface of the sealing surface intersects the flow blocking part in a first direction. Because the flow blocking part is designed, in a plastic injection process, a pressure of injected plastic on the first body is reduced, to ensure that, after sealing processing is performed on the sealing surface of the first body, the plastic does not continuously flow in the first direction. This ensures sealing reliability of the sealing surface, improves sealing effect of the first body, enables the first body and the second body to be bound well, and ensures smooth manufacturing of the frame.

Abstract: An identity recognition method, an apparatus, a computer device, and a storage medium are provided. The method includes: obtaining a signal to be identified which includes a millimeter wave signal and an audio signal; performing living feature detection based on the millimeter wave signal and the audio signal, and acquiring a living millimeter wave signal and a living audio signal; performing feature fusion of the living millimeter wave signal and the living audio signal, and acquiring a fusion response diagram of a living voice signal; and performing identity recognition based on the fusion response diagram of the living voice signal.

Abstract: The present application discloses a display device. The display device includes a first scan line, a second scan line, a first data line, a second data line, a first sub-pixel, and a second sub-pixel. The first sub-pixel includes a first thin film transistor, and the second sub-pixel includes a second thin film transistor. The first thin film transistor is connected to the first scan line and the first data line. The second thin film transistor is connected to the second scan line and the second data line. The first thin film transistor and the second thin film transistor are alternatively arranged.

Abstract: A cylindrical battery includes a housing, an electrode assembly, and a first insulating layer. The housing includes a receiving cavity. The electrode assembly is disposed within the receiving cavity. The electrode assembly includes a positive electrode sheet, a separator, and a negative electrode sheet. The positive electrode sheet has a positive electrode tab, the negative electrode sheet has a negative electrode tab, and the positive electrode tab and the negative electrode tab are disposed at two ends of the electrode assembly, respectively. The first insulating layer is provided on a surface of the negative electrode sheet toward the separator and is disposed away from the negative electrode tab.

Abstract: This application provides a battery swap method, a battery swap station, and an electrical apparatus. The battery swap method includes: obtaining identity information of an electrical apparatus which requests a swap of a battery; authenticating the identity information; establishing communication with the electrical apparatus in response to a determination that the identity information passes the authentication; determining whether the battery in the electrical apparatus and a shared battery in the battery swap station satisfy a battery swap condition; and swapping the battery in the electrical apparatus with the shared battery in the battery swap station in response to a determination that at least one of the battery in the electrical apparatus and the shared battery in the battery swap station satisfies the battery swap condition. The batteries are authenticated in addition to authentication of the electrical apparatus, thereby improving reliability and security of authentication during a battery swap.

Abstract: The present technology relates to a signal processing device, a signal processing method, a program, and a mobile device enabling to obtain an occupancy grid map in which an appropriate path can be set. The signal processing device includes: a map creation unit configured to create an occupancy grid map indicating a presence or absence of an object in a unit of a grid on the basis of first sensor data from a first sensor used to detect the object in surroundings of a mobile device; an attribute setting unit configured to set an attribute of the grid of the occupancy grid map on the basis of an attribute of the object; and a correction unit configured to correct the occupancy grid map on the basis of an attribute of the grid. The present technology can be applied to, for example, a system that controls automatic driving.

Abstract: The present disclosure provides a charging system and charging method for an electric automobile, and an electric automobile: including a human-machine interaction module, a power source module and a main control module; the human-machine interaction module configured to receive charging demand information of the electric automobile and send the charging demand information to the main control module; the power source module includes a plurality of power source branches each of which includes a switch unit and a power source unit, and the switch unit is configured to switch on or switch off the power source branch in which it is located; and the main control module is configured to determine the power source unit to be turned on or the power source unit to be turned off, and send the turn-on signal or the turn-off signal to the power source branch.

Abstract: Disclosed are a reverse soldering connection structure of a microneedle and a wiring and a preparation process thereof. The reverse soldering metal layer of the microneedle is prepared; the reverse soldering metal layer of the wiring is prepared; the reverse soldering metal layer of the microneedle is aligned with the reverse soldering metal layer of the wiring, and they will be pressed to achieve reverse soldering connection between the microneedle and the wiring.

Abstract: A low-carbon, low-alloy and high-formability dual-phase steel having a tensile strength of greater than or equal to 590 MPa, a hot-dip galvanized dual-phase steel, and a manufacturing method therefor by means of rapid heat treatment. The steel comprises the following components, in percentage by mass: 0.04-0.12% of C, 0.1-0.5% of Si, 1.0-2.0% of Mn, P?0.02%, S?0.015%, 0.02-0.06% of Al, and can further comprise one or two of Cr, Mo, Ti, Nb and V, wherein Cr+Mo+Ti+Nb+V?0.5%, and the balance is Fe and other unavoidable impurities. The manufacturing method therefor includes smelting, casting, hot rolling, cold rolling, and rapid heat treatment processes.