Abstract: A ground fault circuit interrupter is provided, including a main control chip, a tripping unit and a self-test detection unit, wherein the tripping unit is connected with the self-test detection unit at a detection point and coupled with a load circuit; the self-test detection unit is coupled with the main control chip, and configured to detect a signal at the detection point and output the signal to the main control chip; the main control chip is coupled with the self-test detection unit, and configured to in a self-test state, simulate a circuit fault, perform self-test, and determine whether the circuit fault could be detected and an alarm signal response to the circuit fault is generated, based on the signal. A self-test function and alarm function response to a circuit fault in a ground fault circuit interrupter can be tested during a final test of production.

Abstract: A ground fault circuit interrupter is provided, including a sensor module, a leakage protection module, a self-test module and a tripping module. The sensor module is configured to generate a sensor current according to a detection signal. The leakage protection module is configured to: generate a trip driving signal in a detection stage according to the sensor current; and generate a trip driving signal in a non-detection stage after the self-test module has a fault. The self-test module is configured to generate the detection signal in the detection stage, and determine that the leakage protection module does not have a fault if the leakage protection module generates the trip driving signal. The tripping module is configured to respond to the trip driving signal generated in the non-detection stage to disconnect a load from a power supply circuit, and not respond to the trip driving signal generated in the detection stage.

Abstract: This application provides a livestreaming processing method performed by an electronic device. The method includes: obtaining real-time livestreaming data of a livestreaming room while displaying livestreaming content of the livestreaming room; acquiring a portion of the livestreaming content of the livestreaming room according to the real-time livestreaming data, and generating a promotion video according to the acquired portion of the livestreaming content; and; and transmitting the promotion video to a plurality of social networking accounts of a social networking application, wherein the transmitted promotion video provides an option for a user associated with one of the plurality of social networking accounts to join the livestreaming room.

Abstract: This application relates to a method for displaying item information performed by a computer device. The method includes: displaying a live stream image comprising a live stream host performing in a live stream environment and at least one item located in the live stream environment, and the at least one item comprising a target item; in response to an item recognition operation, displaying an item tag corresponding to the at least one item; and in response to receiving a first selection operation on an item tag, displaying an item link region. Because the item tag includes an item keyword, preliminary information corresponding to the item can be directly provided to a viewer of the live stream. When the viewer account initiates a selection operation on the item tag, an item link region including item information is displayed. In this way, the viewer can further interact with the item information.

Abstract: An item display method includes: displaying a live stream interface, the live stream interface including a live stream image, and the live stream image including a target item; obtaining a plurality of depth images of a target item according to a plurality of two-dimensional images of the target item, display angles of the target item in the plurality of two-dimensional images being different, and the depth images including pixel information and depth information; fusing the plurality of depth images to generate a three-dimensional image of the target item, and displaying the three-dimensional image through the live stream interface.

Abstract: A user inviting method includes: obtaining a user identifier of a current login user, in response to a trigger operation for a target invitation link corresponding to a target two-dimensional code, the target two-dimensional code being encrypted by using a public key and used for indicating jump to a target invitation page; accessing the target invitation link based on the user identifier, and obtaining a private key corresponding to the public key in response to that the user identifier is consistent with a target user identifier corresponding to the target invitation link; decrypting the target two-dimensional code by using the private key, and displaying the target invitation page in response to that the target two-dimensional code is decrypted successfully; and submitting user information written to the target invitation page in response to a submitting operation for the target invitation page.

Abstract: A speech information communication management method and apparatus, a storage medium, and a device, the method includes obtaining speech information published by a user on a first network platform in a blockchain network; performing violation recognition on the speech information to obtain a violation recognition result; in a case that the violation recognition result meets a preset violation condition, generating violation credit record data of the user according to the violation recognition result, platform identifier information of the first network platform, and user identifier information of the user; broadcasting the violation credit record data of the user to a second network platform in the blockchain network; and after the blockchain network reaches a consensus on the violation credit record data of the user, storing the violation credit record data of the user into a blockchain corresponding to the user.

Abstract: A fluorine-containing substituted benzothiophene compound and a pharmaceutical composition and an application thereof are described. The compound has the structure as shown in formula (I), in which the definitions of each group and substituent are as described in the description. A preparation method of the compound and an anti-tumor application thereof are also described.

Abstract: Ground fault circuit interrupter is provided, including a transformer, a protection switch, a residual current protection control unit, a residual current simulation unit and a self-test unit, wherein the self-test unit is coupled with the line where the protection switch is located; in a self-test state, the self-test unit is configured to control the residual current simulation unit to generate a simulated residual current, detect a level change on the line where the protection switch is located, and control the protection switch to be disconnected from the residual current protection control unit or to make the line where the protection switch is located be conducted after a preset protection time period of receiving the residual current signal higher than a preset operating threshold. Improper actions of the ground fault circuit interrupter caused by a large electromotive force generated when a simulated residual current disappears are avoided.

Abstract: Provided are a cleaning device and a control method thereof. The cleaning device includes: a main body, including a suction unit generating a suction air flow, used for collecting an object to be cleaned up through the suction air flow; an interaction element, arranged on the main body and exposed outside, and used for generating, in response to an interaction event triggered by a user, an indication signal based on an interaction gesture sensed in the interaction event; and a second controller, arranged in the main body and coupled with the interaction element, and used for acquiring the indication signal and sending, according to the indication signal, a corresponding given signal to the suction unit such that the suction unit works according to the given signal.

Abstract: A ground fault circuit interrupter is provided, including a sensor module, a leakage protection module, a self-test module and a tripping module. The sensor module is configured to generate a sensor current according to a detection signal. The leakage protection module is configured to: generate a trip driving signal in a detection stage according to the sensor current; and generate a trip driving signal in a non-detection stage after the self-test module has a fault. The self-test module is configured to generate the detection signal in the detection stage, and determine that the leakage protection module does not have a fault if the leakage protection module generates the trip driving signal. The tripping module is configured to respond to the trip driving signal generated in the non-detection stage to disconnect a load from a power supply circuit, and not respond to the trip driving signal generated in the detection stage.

Abstract: A thermally conductive curable composition includes a first part and a second part, wherein the first part comprises a catalyst, a ceramic filler mixture, a low volatile organic liquid, and water, and the second part comprises a silyl modified reactive polymer, a low volatile organic liquid, and the ceramic filler mixture, and the low volatile organic liquid is present in the composition in an amount greater than about 50 wt. % based on the total weight of the silyl modified reactive polymer.

Abstract: Disclosed herein are thermal interface materials based on two-part polyurethane resins comprising a polyurethane resin and a thermally conductive filler dispersed throughout the polyurethane resin, wherein the polyurethane resin is formed from two parts comprising: a first part comprising a triol, and a second part comprising an isocyanate-functionalized component, wherein at least one of the first part and the second part comprises a thermally conductive filler material.

Abstract: A centralized hub system for improving automatic waste transport and collection using a self-driving robot, which allows for self-driving and efficient collection of waste in densely populated areas, such as apartment complexes and residential neighborhoods, and areas with a floating population by using robots with built-in artificial intelligence software and hardware and self-driving waste collection and driving functions and an integrated management server for monitoring these robots, and which helps to put information together in this process and use it as base data for the efficient operation of future waste policies and the corresponding systems. The centralized hub system for improving automatic waste transport and collection using a self-driving robot comprises self-driving inlet robots, an integrated management server, and a self-driving vehicle robot.

Abstract: Ground fault circuit interrupter is provided, including a transformer, a protection switch, a residual current protection control unit, a residual current simulation unit and a self-test unit, wherein the self-test unit is coupled with the line where the protection switch is located; in a self-test state, the self-test unit is configured to control the residual current simulation unit to generate a simulated residual current, detect a level change on the line where the protection switch is located, and control the protection switch to be disconnected from the residual current protection control unit or to make the line where the protection switch is located be conducted after a preset protection time period of receiving the residual current signal higher than a preset operating threshold. Improper actions of the ground fault circuit interrupter caused by a large electromotive force generated when a simulated residual current disappears are avoided.

Abstract: A ground fault circuit interrupter is provided, including a main control chip, a tripping unit and a self-test detection unit, wherein the tripping unit is connected with the self-test detection unit at a detection point and coupled with a load circuit; the self-test detection unit is coupled with the main control chip, and configured to detect a signal at the detection point and output the signal to the main control chip; the main control chip is coupled with the self-test detection unit, and configured to in a self-test state, simulate a circuit fault, perform self-test, and determine whether the circuit fault could be detected and an alarm signal response to the circuit fault is generated, based on the signal. A self-test function and alarm function response to a circuit fault in a ground fault circuit interrupter can be tested during a final test of production.

Abstract: Crystal forms I and II of tasimelteon. Crystal form I: an X-ray powder diffraction spectrum using CuK? radiation and represented by a 2? angle has diffraction peaks at least at 7.2°±0.2°, 7.9°±0.2°, 10.6°±0.2°, 14.4°±0.2°, 15.9°±0.2°, 17.3°±0.2°, 21.0°±0.2°, 23.2°±0.2°, and 24.4°±0.2°. Crystal form II: an X-ray powder diffraction spectrum using CuK? radiation and represented by a 2? angle has diffraction peaks at least at 6.8°±0.2°, 12.1°±0.2°, 12.5°±0.2°, 13.1°±0.2°, 13.6°±0.2°, 13.8°±0.2°, 15.8°±0.2°, 17.0°±0.2°, 18.4°±0.2°, 20.8°±0.2°, 24.2°±0.2°, and 24.4°±0.2°. Crystal forms I and II of tasimelteon have advantages of excellent physicochemical property, good stability and solubility, and simple operation for preparation.

Abstract: Crystal forms I and II of tasimelteon. Crystal form I: an X-ray powder diffraction spectrum using CuK? radiation and represented by a 2? angle has diffraction peaks at least at 7.2°±0.2°, 7.9°±0.2°, 10.6°±0.2°, 14.4°±0.2°, 15.9°±0.2°, 17.3°±0.2°, 21.0°±0.2°, 23.2°±0.2°, and 24.4°±0.2°. Crystal form II: an X-ray powder diffraction spectrum using CuK? radiation and represented by a 2? angle has diffraction peaks at least at 6.8°±0.2°, 12.1°±0.2°, 12.5°±0.2°, 13.1°±0.2°, 13.6°±0.2°, 13.8°±0.2°, 15.8°±0.2°, 17.0°±0.2°, 18.4°±0.2°, 20.8°±0.2°, 24.2°±0.2°, and 24.4°±0.2°. Crystal forms I and II of tasimelteon have advantages of excellent physicochemical property, good stability and solubility, and simple operation for preparation.

Abstract: The present disclosure provides a composite substrate structure and a touch panel having composite substrate structure, for promoting abrasion resistance, visual transparency, and appearance. The composite substrate structure includes a transparent substrate and a diamond-like carbon layer. The diamond-like carbon layer is disposed on the transparent substrate and has a thickness less than or equal to about 15 nanometers.