Abstract: Implementations relating to service information communication methods and electronic devices are provided. One method includes: communicating, by a terminal device based on token information, first service information of a first service with an Internet of things (IOT) server corresponding to the first service, wherein the token information is obtained from the IoT server by the terminal device after performing authentication with the IoT server based on user information of the terminal device, and wherein the token information is used by the terminal device to communicate with the IoT server, and communicating, by the terminal device, second service information of the first service with an IoT terminal device corresponding to the first service, wherein the second service information is associated with the first service information, and wherein the user information of the terminal device is same as user information of the IoT terminal device.

Abstract: Provided is a method for solving radar ambiguity and occlusion based on an orthogonal two-phase coded signal. The method includes: generating and optimizing an orthogonal two-phase coded signal set by means of a walsh matrix and a genetic algorithm, and alternatively, obtaining an orthogonal two-phase coded signal set through an exhaustive method, depending on a chip length; determining the radar period and the number m of transmission pulses in a period according to the radar farthest detection range and the pulse repetition interval (PRI), and selecting m signals from the orthogonal two-phase coded signal set, to constitute a group of orthogonal two-phase coded pulse signals; and accumulating echoes of transmitted pulse signals, to generate an echo matrix, performing frequency domain pulse compression, to obtain a processed new matrix, and performing moving target detection on the matrix.

Abstract: Embodiments of the present disclosure disclose a method and apparatus for generating an image file and a computer-readable storage medium. The method includes: receiving an image file generation request, the image file generation request carrying an application installation file; loading a basic image file of an operating system in a preset system area according to the image file generation request, to start the operating system; installing an application corresponding to the application installation file in the operating system, and running the application to obtain a system dataset after the application is run and attribute information of the application; identifying application data corresponding to the application from the system dataset according to the attribute information of the application; and merging the application data with the basic image file to generate an image file of the application.

Abstract: The invention relates to the field of medicinal chemistry, in particular to a substituted diaryl compound shown as a formula (I), a preparation method of the substituted diaryl compound, a medicinal preparation containing the substituted diaryl compound and medical application of the substituted diaryl compound. Pharmacological test results show that the substituted diaryl compound disclosed by the invention has a good inhibition effect on cells of human lung cancer (A549), human ovarian cancer (SKOV3), human melanoma (A375) and human colon cancer (LOVO).

Abstract: Provided a separator, a preparation method thereof, and a secondary battery, a battery module, a battery pack, and an electric apparatus containing such separator. The separator includes: a substrate and a coating applied on at least one surface of the substrate, where the coating includes 40 wt % to 90 wt % first organic particles, 2 wt % to 15 wt % pressure-sensitive binder, and optionally 0 wt % to 50 wt % second organic particles. The first organic particles include an organic polymer and an inorganic substance. The pressure-sensitive binder includes an organic polymer and a plasticizer. The separator has good ionic conductivity and adhesion performance at room temperature, is not adhered under a pressure of 1 MPa or below and is significantly adhered under a pressure of 2 MPa or above, which can significantly improve structural stability and ionic conductivity of an electrochemical device while satisfying requirements for yield rate of production and kinetic performance of a battery cell.

Abstract: Disclosed is a carbon-dioxide-responsive self-thickening intelligent fluid based on supramolecular self-assembly, which comprises a Gemini surfactant, a single-chain amide molecule having a tertiary amine head group and water, wherein the Gemini surfactant and the single-chain amide molecule are self-assembled to form a vesicle structure dispersed in water, with a hydrophilic head group being located outside and a hydrophobic tail group located inside. The method for preparing the carbon-dioxide-responsive self-thickening intelligent fluid of the present invention is simple, the injection viscosity is low, and the fluid is converted into a gel when encountering carbon dioxide, so that the viscosity is greatly increased.

Abstract: The present invention discloses a high-entropy soft magnetic alloy with 900 K high-temperature resistance, comprising Fe, Co, Ni, Si and Al, and the atomic percent of the alloy composition is expressed as FexCoyNizSimAln, wherein x=40%-80%, y=20%-60%, z=0-30%, m=0-20%, n=0-20%, and x+y+z+m+n=100%; the atomic percent of other doping elements is p=0-5%, and 0.5?m/n?3; the performance indexes of the material include: at room temperature, saturation magnetization Ms=90-150 emu/g, and coercive force Hc=0.1-15 Oe; and at 900 K, saturation magnetization Ms=70-130 emu/g, and coercive force Hc=0.1-25 Oe.

Abstract: Provided is a preparation method for a tube. The method comprises the following steps: a) adding a polymer solution into a poor solvent, such that the polymer diffuses on the liquid level of the poor solvent, so as to obtain a polymer film, wherein the solvent in the polymer solution is dissolved in the poor solvent; b) curling the polymer film on the liquid level of the poor solvent by using a mold to obtain a bar; and c) removing the mold to obtain a tube. The present invention further provides the use of the above tubular as an artificial tubular tissue.

Abstract: A method for providing a restricted service and a communications device, where the method includes: receiving, by a policy control function (PCF), an identifier of a terminal and indication information, where the indication information is used to indicate that the terminal is in a state of exception or indicate an exception type of the terminal; and sending, by the PCF, the identifier of the terminal and a first restricted service policy according to the indication information, where the first restricted service policy is used to provide a restricted service for the terminal.

Abstract: The present disclosure provides a foam bead. The foam bead contains at least one of the following components: (A) a block composite; and/or (B) a crystalline block composite. The present disclosure also provides a sintered foam structure formed from a composition comprising at least one of the following components: (A) a block composite; and/or (B) a crystalline block composite.

Abstract: A test method and device for a contact resistor are provided, configured to test a contact resistor of a metal-oxide-semiconductor (MOS) transistor. The method includes: a resistance value per area and a temperature coefficient of resistance of the contact resistor are acquired; and a target resistance value of the contact resistor is determined according to the resistance value per area, the temperature coefficient of resistance, and an area of the contact resistor.

Abstract: A parking assisting method, device and system for a motor vehicle are provided. The parking assisting method includes the following steps: obtaining a relative position of an available parking spot relative to the motor vehicle; outputting a display instruction to the digital projector according to the relative position of the available parking spot relative to the motor vehicle; and projecting a projection image to the available parking spot by the digital projector according to the display instruction. The projection image is provided for indicating the available parking spot area will be occupied. The display instruction includes an image position for the projection image, so as to change the position of the projection image in the projection range, so that the position of the projection image in the available parking spot is substantially kept unchanged.

Abstract: Provided are a brain stimulation system, method, apparatus and storage medium based on artificial intelligence. The system includes: a plurality of brain stimulation terminals and a cloud platform. The cloud platform is configured to, with artificial intelligence algorithm especially machine learning and deep learning, generate multi-dimensional psychological big data using physiological data and psychological state evaluation parameters gotten from the plurality of brain stimulation terminals and established models of algorithm for disease diagnosis.

Abstract: A parking assisting method, device and system for a motor vehicle are provided. The parking assisting method includes the following steps: obtaining a relative position of an available parking spot relative to the motor vehicle; outputting a display instruction to the digital projector according to the relative position of the available parking spot relative to the motor vehicle; and projecting a projection image to the available parking spot by the digital projector according to the display instruction. The projection image is provided for indicating the available parking spot area will be occupied. The display instruction includes an image position for the projection image, so as to change the position of the projection image in the projection range, so that the position of the projection image in the available parking spot is substantially kept unchanged.

Abstract: Disclosed is a carbon-dioxide-responsive self-thickening intelligent fluid based on supramolecular self-assembly, which comprises a Gemini surfactant, a single-chain amide molecule having a tertiary amine head group and water, wherein the Gemini surfactant and the single-chain amide molecule are self-assembled to form a vesicle structure dispersed in water, with a hydrophilic head group being located outside and a hydrophobic tail group located inside. The method for preparing the carbon-dioxide-responsive self-thickening intelligent fluid of the present invention is simple, the injection viscosity is low, and the fluid is converted into a gel when encountering carbon dioxide, so that the viscosity is greatly increased.

Abstract: A test method and device for a contact resistor are provided, configured to test a contact resistor of a metal-oxide-semiconductor (MOS) transistor. The method includes: a resistance value per area and a temperature coefficient of resistance of the contact resistor are acquired; and a target resistance value of the contact resistor is determined according to the resistance value per area, the temperature coefficient of resistance, and an area of the contact resistor.

Abstract: Provided are a brain stimulation system, method, apparatus and storage medium based on artificial intelligence. The system includes: a plurality of brain stimulation terminals and a cloud platform. The cloud platform is configured to, with artificial intelligence algorithm especially machine learning and deep learning, generate multi-dimensional psychological big data using physiological data and psychological state evaluation parameters gotten from the plurality of brain stimulation terminals and established models of algorithm for disease diagnosis.