Abstract: One or more embodiments of the present disclosure provide a pool cleaning robot with a track lap structure, including a cleaning body and a drive mechanism. The drive mechanism includes: a wheel, the wheel is rotatably arranged on the cleaning body, the wheel includes a track lap structure and a first engaging structure, the track lap structure and the first engaging structure are sequentially arranged in an axial direction of the wheel, so as to form a limiting structure on the wheel or between the wheel and the cleaning body; and a track, the track is sleeved outside the wheel, and at least part of the track is engaged with the first engaging structure, so that the track is driven by the wheel to move, where an inner surface of the track is provided with an anti-detachment structure, and the anti-detachment structure is lapped on the track lap structure.

Abstract: Provided is a pool cleaning robot with a display device. The pool cleaning robot with a display device includes a cleaning member for cleaning a pool, a detecting device and a display device. The detecting device is arranged in the cleaning member and configured to detect a state of the cleaning member. The display device is electrically connected to the detecting device and configured to display at least one state information of the cleaning member. The state information includes self-running state information of the cleaning member and/or human-machine interaction state information of the cleaning member.

Abstract: One or more embodiments of the present disclosure provide a pool cleaning robot with a roller brush cleaning structure, including a cleaning body, a roller brush and a roller brush cleaning structure. The cleaning body is configured to clean contaminants in a pool; the roller brush is rotatably arranged on the cleaning body and is configured to clean contaminants on a surface of the pool; and the roller brush cleaning structure is arranged on the cleaning body, and is in contact with at least part of the roller brush, to remove contaminants adhering to the roller brush. During rolling of the roller brush, the residual contaminants on the roller brush are cleaned by the roller brush cleaning structure, so as to clean the roller brush, thereby avoiding adverse effects on a cleaning effect of the roller brush, and also avoiding the accumulation of contaminants on the roller brush over time, to have an adverse effect on the service life of the roller brush.

Abstract: Performance of a negative electrode material is improved. The negative electrode material is a negative electrode material for a battery that includes carbon, sodium tungstate provided on a surface of the carbon, and silicon provided on the surface of the carbon.

Abstract: The present disclosure relates to a network configuration method and a network configuration apparatus, a computer device, and a storage medium. The method includes: sending a network configuration request; acquiring a response signal; acquiring a preset network configuration level of a current intelligent device, if a signal intensity corresponding to the response signal is greater than or equal to a preset signal intensity; and acquiring network configuration information according to the preset network configuration level. The network configuration information is used for configuring a network with a router. When the network configuration is performed for various intelligent devices based on the method, the network configuration can be performed according to the preset network configuration level set by a user, thereby meeting personalized network configuration requirements of the user.

Abstract: Constructs comprising GDF15, and mutants thereof are provided. In various embodiments the constructs comprising GDF15, and mutants thereof, can be of use in the treatment or ameliorating a metabolic disorder. In various embodiments the metabolic disease or disorder is type 2 diabetes, obesity, dyslipidemia, elevated glucose levels, elevated insulin levels and diabetic nephropathy.

Abstract: Disclosed herein are methods, systems, and computer-readable media for training a machine learning model to label unlabeled data and/or perform automated actions. In an embodiment, a method comprises receiving unlabeled digital video data, generating pseudo-labels for the unlabeled digital video data, the generating comprising receiving labeled digital video data, training an inverse dynamics model (IDM) using the labeled digital video data, and generating at least one pseudo-label for the unlabeled digital video data, wherein the at least one pseudo-label is based on a prediction, generated by the IDM, of one or more actions that mimic at least one timestep of the unlabeled digital video data. In some embodiments, the method further comprises adding the at least one pseudo-label to the unlabeled digital video data and further training the IDM or a machine learning model using the pseudo-labeled digital video data.

Abstract: Disclosed are a wireless bandwidth adjustment method, a wireless bandwidth adjustment apparatus, a terminal, and a storage medium. The wireless bandwidth adjustment method includes: determining a target IOT device and a bandwidth currently used by the target IOT device; collecting statistics on communication data of the target IOT device generated within a preset time period; determining a wireless bandwidth adjustment strategy based on the communication data; and adjusting the bandwidth based on the wireless bandwidth adjustment strategy.

Abstract: A method and a system for converting tropical cyclone intensity at different time intervals are provided. The method includes the following steps: obtaining intensity data and path information of the tropical cyclone to be determined; determining an average time interval of the tropical cyclone to be determined under average wind speed based on the intensity data; using the path information to determine the type of tropical cyclone to be determined; if the tropical cyclone to be determined is a tropical cyclone over ocean, determining the current intensity index corresponding to the tropical cyclone over ocean at a specific time interval; obtaining the average maximum wind speed of the tropical cyclone over ocean at a specific time interval based on the current intensity index. It realizes the tropical cyclone intensity conversion at different time intervals, providing a basis for determining and predicting tropical cyclone intensity.

Abstract: A manufacturing method for an electron source according to the present disclosure includes steps of: (A) cutting out a chip from a block of an electron emission material, (B) fixing a first end portion of the chip to a distal end of a support needle, and (C) sharpening a second end portion of the chip. The step (A) includes forming first and second grooves which constitute first and second surfaces of the chip in the block by irradiating a surface of the block with an ion beam. The first end portion of the chip includes the first surface and the second surface with the surfaces forming an angle ? of 10 to 90°. The step (B) includes forming a joint between the distal end of the support needle and the first end portion of the chip.

Abstract: A method and a system for objective determination of typhoon intensity based on gradient wind balance are provided. The method includes the following steps: obtaining the first position of the center of the tropical cyclone at the current moment, the second position of the center of the tropical cyclone within the preset time from the current moment, and the minimum sea level pressure; determining a movement speed of the tropical cyclone based on the first position and the second position; obtaining wind field data within the fixed area to determine the scale of the tropical cyclone; obtaining atmospheric pressure field data to determine the average environmental pressure; and obtaining an intensity of the tropical cyclone based on the first position, the minimum sea level pressure, the average environmental pressure, the scale of the tropical cyclone, and the movement speed. It enhances the accuracy and objectivity of the typhoon intensity determination.

Abstract: The present invention relates to negative electrode carbon materials for lithium-ion batteries, and particularly to a lithium-ion battery negative electrode active material, a lithium-ion battery negative electrode, a lithium-ion battery, a battery pack and a battery-powered vehicle. In a pore structure, measured by N2 adsorption and desorption, of the lithium-ion battery negative electrode carbon particles, by using the total pore volume measured by BJH having a pore size of 2-200 nm as the reference, the sum of the volumes of pores with a pore size of 2-10 nm is 2-10%, the sum of the volumes of pores with a pore size of 10-100 nm is 30-65%, and the sum of the volumes of pores with a pore size of 100-200 nm is 30-65%, and the carbon particles have a BET specific surface area of 0.9-1.9 m2/g.

Abstract: Embodiments of this application disclose an object control method and device, a storage medium, and an electronic device. The method includes: detecting a first operation triggered in a client, the client displaying a virtual scene, and the first operation being used for instructing a target object in the virtual scene to move from one side of a target obstacle to the other side of the target obstacle; determining a target action to be performed by the target object, the target action being determined according to attributes of the target obstacle, and the target action being a crossing type or climbing type action performed by the target object to move from one side of the target obstacle to the other side of the target obstacle; and controlling, in the virtual scene, the target object to perform the target action. The embodiments of this application resolve a technical problem of an undiversified operation manner in an encounter of an obstacle in the related art.

Abstract: Disclosed are a control method and a control device of an apparatus and an apparatus using the control device. The control method includes: detecting whether an outdoor unit of the apparatus enters a standby state; and controlling the outdoor unit to enter a low power consumption mode for controlling a drive of the outdoor unit to be powered off after detecting that the outdoor unit enters the standby state.

Abstract: The present invention provides an emitter made of a hafnium carbide (HfC) single crystal that stably emits electrons with high efficiency, a method for manufacturing the emitter, and an electron gun and an electronic device using the emitter. An emitter according to an embodiment of the present invention is an emitter including a nanowire, in which the nanowire is made of the hafnium carbide (HfC) single crystal, at least an end of the nanowire through which electrons are to be emitted is coated with hafnium oxycarbide (HfC1-xOx: 0<x?0.5), and a field electron emission pattern of the end obtained by a field emission microscope (FEM) is a single spot.

Abstract: The present disclosure proposes a method and apparatus for image transmission for three-dimensional (3D) scene reconstruction. A target image may be obtained. A geometry feature and an appearance feature may be disentangled from the target image. An intermediate image may be reconstructed based on the geometry feature and a reference appearance feature. A difference between the intermediate image and the target image may be determined. The geometry feature may be transmitted to a receiving device for 3D scene reconstruction in response to determining that the difference is lower than a predetermined threshold.

Abstract: Disclosed in the present application are a concrete protection material, and a preparation method and a construction method therefor. The concrete protection material consists of 50%-90% of a component A and 10%-50% of a component B in percentage by weight, where the component A is prepared from 30%-65% of organic silicon, 2%-5% of nano-silicon dioxide and the balance of an organic solvent in percentage by weight; and the component B is prepared from 20%-50% of an organic base and the balance of water in percentage by weight. The present application not only can form nano-particles having a strengthening effect in capillary channels of a concrete surface layer, but also can achieve a technical effect of superhydrophobicity on the concrete surface layer.

Abstract: To improve performance. A negative electrode material is a negative electrode material for a battery, and includes carbon, tungsten trioxide, and silicon particles (33) including silicon, and in the silicon particles (33), a ratio of the amount of Si in Si2p derived from elemental silicon to the amount of Si in Si2p derived from SiO2 in a surface layer is 3 or more, on an atomic concentration basis, as measured by X-ray photoelectron spectroscopy.

Abstract: Tungsten trioxide is appropriately disposed on the surface of carbon. A negative-electrode material is a negative-electrode material for a battery and contains amorphous carbon and tungsten trioxide provided on the surface of the amorphous carbon.

Abstract: The present invention provides an emitter made of a hafnium carbide (HfC) single crystal that stably emits electrons with high efficiency, a method for manufacturing the emitter, and an electron gun and an electronic device using the emitter. An emitter according to an embodiment of the present invention is an emitter including a nanowire, in which the nanowire is made of the hafnium carbide (HfC) single crystal, at least an end of the nanowire through which electrons are to be emitted is coated with hafnium oxycarbide (HfC1?xOx: 0<x?0.5), and a field electron emission pattern of the end obtained by a field emission microscope (FEM) is a single spot.