Abstract: A pyrazolo fused ring compound and the use thereof. Specifically disclosed are a compound represented by formula (IV) and a pharmaceutically acceptable salt thereof.

Abstract: Disclosed is a nursing machine, including a main unit, an excrement collector, a first connecting apparatus for connecting between the main unit and the excrement collector, the first connecting apparatus includes a plug connector assembly, and at least one communicating pipe for connecting between the plug connector assembly and the main unit; the plug connector assembly includes a first coil unit for supplying power to the excrement collector, and at least one first connecting port; the excrement collector includes an excrement groove for receiving human excrement, a second coil unit corresponding to the first coil unit, and a mating interface portion; the mating interface portion includes at least one second connecting port for correspondingly butting with the at least one first connecting port; and the plug connector assembly is able to be forwardly inserted into the mating interface portion to butting with the mating interface portion.

Abstract: An engine assembly includes an air inlet pipe having an air inlet, an air supply port, and an air return port. The air inlet communicates with air. The air supply port communicates with an air inlet manifold of an engine. In a length direction of the air inlet pipe, the air return port is located between the air inlet and the air supply port. An air inlet control valve is disposed on the air inlet pipe, and located between the air inlet and the air return port. An exhaust gas return pipe communicates with the air return port. An exhaust pipe communicates with the exhaust gas return pipe and an exhaust manifold of the engine. In the length direction of the air inlet pipe, a distance S between the air return port and the air inlet control valve and an inner diameter D of the air inlet pipe meet S/D?2.

Abstract: In one embodiment, a frequency-modulated continuous-wave (FMCW) radar-lidar system for an autonomous driving vehicle (ADV) includes one or more lidar frontends configured to generate one or more frames of lidar data. The system includes one or more radar frontends configured to generate one or more frames of radar data. The system includes a plurality of input/output (I/O) interfaces, each corresponding to one of the one or more lidar or radar frontends to receive the radar or lidar data. The system includes an edge device coupled to the plurality of input/output (I/O) interfaces, where the edge device receives the radar data or lidar data for processing to generate a set of 4D point clouds from the radar or lidar data, and the set of 4D point clouds are used to perceive a surrounding environment of the ADV.

Abstract: Disclosed are an excrement collection apparatus and a nursing machine. The excrement collection apparatus is applied to the nursing machine and includes a wrapping pant member worn on a human body and a working head detachably combined with the wrapping pant member, the working head includes an excrement pool for accommodating human excrement, the wrapping pant member includes a connecting bracket detachably connected to the working head and an excretion port for human excretion, the connecting bracket is located on a crotch of the wrapping pant member, the connecting bracket is enclosed to form at least a part of the excretion port; in a state that the connecting bracket of the wrapping pant member is butted with the working head, the connecting bracket is attached to the working head, so that the excretion port and the excrement pool are combined together for human excretion.

Abstract: A pixel circuit and a driving method therefor, a display substrate, and a display apparatus. The pixel circuit includes a driving sub circuit, a data writing sub circuit, a first light-emitting control sub circuit, a first reset sub circuit, and a bias sub circuit; the first reset sub circuit is connected to a first node and configured to write a first reset voltage to the first node in response to a first reset control signal; and the bias sub circuit is connected to a second node and configured to write a reference voltage to the second node in response to a bias control signal, thereby turning on the driving sub circuit.

Abstract: A file access right authentication method and system allows right authentication to be performed on an access request for accessing a file in a system to thereby improve system security. The method includes: receiving, by an electronic device, a file access request, where the file access request is used to request to access a first file on the electronic device; obtaining a first process identifier in the file access request, and determining first fixed identity information corresponding to the first process identifier; and matching the first fixed identity information with authorized fixed identity information corresponding to the first file), and when the matching succeeds, determining that authentication of the file access request is successful.

Abstract: The present disclosure relates to a method, a device, and a program product for processing sample data in an Internet of Things environment. A method in one embodiment includes: receiving features of the sample data from an encoder deployed in a remote device in the Internet of Things environment; acquiring a category probability corresponding to the sample data based on a classifier deployed in a local device in the Internet of Things environment and the features; and classifying the sample data to a predetermined category in response to determining that the category probability satisfies a first threshold condition. Further, a corresponding device and a corresponding program product are provided. With example implementations of the present disclosure, computing resources of devices in an Internet of Things environment can be fully utilized to process sample data.

Abstract: The embodiments is an unmanned aerial vehicle. The unmanned aerial vehicle includes: an airframe; and a fixed-wing assembly and a rotor assembly, both replaceably connected to the airframe. The fixed-wing assembly is connected to the airframe to form a vertical take-off and landing fixed-wing unmanned aerial vehicle and the rotor assembly is connected to the airframe to form a multi-rotor unmanned aerial vehicle, thereby implementing an unmanned aerial vehicle that can switch between the vertical take-off and landing fixed-wing unmanned aerial vehicle and the multi-rotor unmanned aerial vehicle.

Abstract: The present utility model discloses a wall lamp, including a wall lamp housing and a wall lamp rear cover, both provided with a hollow cavity. The wall lamp housing is provided therein with an LED light source board and a forward-inclining mounting frame. The present utility model has designed a part in the wall lamp that can meet the needs of switching between full cutoff light and semi-cutoff light. When full cutoff light is required, the LED light source board is adjusted to a horizontal state and is fixed, and it can be used as a full cutoff light lamp. When the LED light source board is at 15° or other angle, it can be used as a semi-cutoff light lamp, which can be adjusted according to a user's needs. At the same time, the light output range can also be adjusted when adjusting the angle.

Abstract: The present invention provides a testing and characterization method for an initial fatigue damage and development process of vulcanized rubber, and falls within the technical field of rubber. The testing and characterization method comprises the following steps: preparing vulcanized rubber; preparing test samples; preparing fatigue testing specimens; and characterizing an initial fatigue damage and development process. The testing and characterization method provided by the present invention is simple, and closely associates a simple and easy-to-implement macro mechanical property test with changes of an internal microstructure, which are difficult to observe and analyze; and the method is high in efficiency and easy for operation and data collection, and data measured has good reference.

Abstract: The present disclosure relates to a display panel and a display apparatus. The display panel has a display region and a bezel region. The display region is adjacent to the bezel region. The display panel includes a base, drive arrays, cathodes, a shielding layer, transfer traces, touch portions and touch lines. The drive arrays are on the base, and configured to drive the display panel to emit light. Cathodes are on a side of the drive arrays away from the base. The transfer traces is on a side of the cathodes away from the base, and is in the bezel region. The touch lines are used to send touch signals and are respectively electrically connected with the transfer traces. The shielding layer is between the cathodes and the transfer traces and is in the bezel region. A projection of the drive arrays in the bezel region onto the base is in a projection of the shielding layer onto the base. The shielding layer is configured to shield noise signals.

Abstract: Disclosed are a testing system and testing method for a magnetic refrigerator. In the system, an adjustable load includes a heating container, and a flow direction control structure. The heating container is provided with an inlet, an outlet, and a heater with controllable heating power. The flow direction control structure is configured to enable a heat exchange fluid flowing out from a cold end of any magnetic regenerator module in magnetic regenerator modules arranged in pairs to flow into a cold end of another magnetic regenerator module through the inlet and outlet of the heating container in sequence, the heater is used to heat the heat exchange fluid inside the heating container, and an on-off state between the adjustable load and the cold end of any magnetic regenerator module is controllable.

Abstract: The invention provides an AC/DC conversion device for intelligent green-power operation and maintenance in power transmission and transformation projects, including a cabinet, an assembling panel, an inverter, a driving mechanism and a controller. A door is mounted at the front portion of the cabinet in a fixed and sealed manner, and the assembling panel is fixedly mounted on the back wall of the cabinet inside the cabinet. The assembling panel, the inverter, the driving mechanism and the controller are all provided inside the cabinet, which provides desirable dust-proof effects, preventing the case where the inverter, the driving mechanism and the controller are interfered by the dust, so that this device is suitable for outdoor usage. The driving mechanism and the controller work in coordination, so that the inverter can be switched off in time when it burns out and smokes, thereby substantially reducing the risk of fire hazards.

Abstract: Provided is a method of simultaneous localization and mapping (SLAM), the method including obtaining a structure of a current image frame, obtaining a structure re-identification constraint based on the structure of the current image frame, and obtaining a SLAM result based on the structure re-identification constraint. By introducing the structure re-identification constraint in a bundle adjustment process to obtain the SLAM result, error accumulation may be more easily controlled, and accuracy and robustness in obtaining the SLAM result may be improved.

Abstract: The present disclosure provides a gantry for an X-ray system. The gantry may include a base section, a lifting section, and a swing section. The base section may be configured to move. A first end of the lifting section may be connected to the base section. A first end of the swing section may be rotatably connected to a second end of the lifting section. A radiation assembly may be disposed on a second end of the swing section.

Abstract: The invention provides an AC/DC conversion device for intelligent green-power operation and maintenance in power transmission and transformation projects, including a cabinet, an assembling panel, an inverter, a driving mechanism and a controller. A door is mounted at the front portion of the cabinet in a fixed and sealed manner, and the assembling panel is fixedly mounted on the back wall of the cabinet inside the cabinet. The assembling panel, the inverter, the driving mechanism and the controller are all provided inside the cabinet, which provides desirable dust-proof effects, preventing the case where the inverter, the driving mechanism and the controller are interfered by the dust, so that this device is suitable for outdoor usage. The driving mechanism and the controller work in coordination, so that the inverter can be switched off in time when it burns out and smokes, thereby substantially reducing the risk of fire hazards.

Abstract: An organic molecule having a structure of formula I: wherein T and V is independently from another selected from the group consisting of R1 and R2; and R1 has a structure of formula II: which is bonded via the position marked by the dotted line, wherein Ar1 is C6-C60-aryl.