Abstract: In some embodiments, an apparatus for generating a radiation, such as X-rays, includes an emitter, such as an electron gun, of a beam of charged particles; a target, such as an anode, extending a length along a target trajectory that includes at least a curved segment and including a material adapted to emit a radiation, such as X-rays, upon the charged particles impinging on the target; and a scan tube attached to the emitter and enclosing the target. The target has multiple portions, some of which being disposed closer to the emitter than other portions. The apparatus may further include two control components. The first component includes one or more magnets for guiding the charged particle along the target without impinging on it; the second component includes one or more magnets for deflecting the guided charged particles to impinge upon the target at different locations over time.

Abstract: A cleaning brush includes a brush handle, a brush head connected to the brush handle, and a plurality of bristles attached to the surface of the brush head, the cross section of the bristles in at least some areas on the surface of the brush head is polygonal; a cleaning brush kit includes the cleaning brush and a storage box corresponding to the cleaning brush; a side wall of the storage box is provided with an adsorption member, and the adsorption member enables the storage box to be attached to a smooth and hard surface.

Abstract: Provided in the present invention are an IL-2 mutant protein, a fusion protein or conjugate containing the IL-2 mutant protein, and a pharmaceutical composition containing the IL-2 mutant protein, fusion protein or conjugate. Compared with wild-type IL-2 protein, the IL-2 mutant protein of the present invention eliminates or reduces the affinity for a high-affinity IL-2 receptor and substantially retains the affinity for a medium-affinity IL-2 receptor.

Abstract: In some embodiments, an apparatus for generating a radiation, such as X-rays, includes an emitter, such as an electron gun, of a beam of charged particles; a target, such as an anode, extending a length along a target trajectory that includes at least a curved segment and including a material adapted to emit a radiation, such as X-rays, upon the charged particles impinging on the target; and a scan tube attached to the emitter and enclosing the target. The target has multiple portions, some of which being disposed closer to the emitter than other portions. The apparatus may further include two control components. The first component includes one or more magnets for guiding the charged particle along the target without impinging on it; the second component includes one or more magnets for deflecting the guided charged particles to impinge upon the target at different locations over time.

Abstract: An early-warning system, method, and apparatus for steering of a two-wheeled vehicle, and a corresponding two-wheeled vehicle including a display apparatus. The system includes: a first control system and a second control system both operating independently and exchanging data between each other in real time; the first control system is configured to: monitor a steering state of the two-wheeled vehicle in real time and generate steering state data; generate early-warning state data based on the steering state data; transmit at least part of the steering state data and the early-warning state data to the second control system in real time; and control corresponding components of the two-wheeled vehicle to operate according to control instructions received from the second control system and internal preset instructions; and the second control system is configured to: control a display of the display apparatus based on the steering state data and/or the early-warning information.

Abstract: An air conditioner and an air deflector thereof. The air deflector includes a plate-shaped body, wherein the plate-shaped body has one or more slits penetrating the plate-shaped body. parts of the plate-shaped body located at both sides of each of the one or more slits being offset from each other.

Abstract: An image sensor circuit, an image sensor chip, and a camera device are used in the field of sensor technologies, to resolve a problem that an automatic conversion gain determining mechanism in an existing image sensor easily causes crosstalk to a voltage on a column bus coupled to a pixel unit. In the image sensor circuit, a conversion gain selection circuit is disposed between each column bus of a double conversion gain pixel array and a corresponding analog-to-digital converter. After a floating diffusion node in a pixel unit is reset, the conversion gain selection circuit separately receives voltages output by the pixel unit in a high conversion gain mode and a low conversion gain mode.

Abstract: Embodiments of the present disclosure provide a method for recognizing a gesture, a device, and a storage medium; and the method includes: acquiring a plurality of frames of images including a hand object within a first preset duration before a current time; respectively performing feature extraction on the plurality of frames of images to obtain a feature vector corresponding to each of the plurality of frames of images; determining at least one frame of target image before the current frame of image, and determining pose information corresponding to the hand object according to a feature vector corresponding to the current frame of image, a feature vector corresponding to each frame of target image and a preset deep learning model; and determining gesture command information corresponding to the hand object according to the feature vector corresponding to each of the frames of images and the preset deep learning model.

Abstract: This application provides an image sensor and a control method thereof. The image sensor includes an optical-to-electrical conversion unit, a signal readout unit, and a conversion gain determining unit, the optical-to-electrical conversion unit includes a photodiode, and the signal readout unit includes a floating diffusion node, a dual conversion gain transistor, and a first capacitor. The floating diffusion node is configured to store a charge corresponding to an electrical signal obtained by converting incident light by the photodiode. The conversion gain determining unit is configured to compare a magnitude of a cathode voltage of the photodiode with a magnitude of a reference voltage, and output a control voltage based on a comparison result, where the control voltage is used to control the dual conversion gain transistor to be turned on or off.

Abstract: The present application pertains to the technical field of vehicles, and in particular to a vehicle intelligent control system based on a dual independent control system and a corresponding vehicle. The system includes a locomotive terminal and a cloud server. The locomotive terminal includes a first control system and a second control system both being operable independently and capable of exchanging data with each other in real time. The first control system monitors an operation state of the vehicle in real time and transmits at least part of operation state data to the second control system in real time, and controls an operation of the vehicle according to an internal preset instruction and a control instruction received from the second control system.

Abstract: Disclosed are an audio information transmission system, method, and apparatus, and a corresponding two-wheeled vehicle and helmet. The system includes a media control apparatus and an audio switching apparatus connected to the media control apparatus. The audio switching apparatus is connected to a mobile terminal and the helmet and is configured to receive first audio information transmitted by the mobile terminal and transmit same to the media control apparatus. The media control apparatus is configured to receive and mix second audio information generated by the two-wheeled vehicle with the first audio information, to generate mixed audio information. The audio switching apparatus transmits the mixed audio information to the helmet. In the present application, the audio information transmitted by the mobile terminal and information such as navigation voices, alarms emitted by the two-wheeled vehicle are mixed.

Abstract: In some embodiments, an apparatus for generating a radiation, such as X-rays, includes an emitter, such as an electron gun, of a beam of charged particles; a target, such as an anode, extending a length along a target trajectory that includes at least a curved segment and including a material adapted to emit a radiation, such as X-rays, upon the charged particles impinging on the target; and a scan tube attached to the emitter and enclosing the target. The target has multiple portions, some of which being disposed closer to the emitter than other portions. The apparatus may further include two control components. The first component includes one or more magnets for guiding the charged particle along the target without impinging on it; the second component includes one or more magnets for deflecting the guided charged particles to impinge upon the target at different locations over time.