Abstract: A semiconductor device includes an active pattern on a substrate, the active pattern extending in a first direction parallel to an upper surface of the substrate, a gate structure on the active pattern, the gate structure extending in a second direction parallel to the upper surface of the substrate and crossing the first direction, channels spaced apart from each other in a third direction perpendicular to the upper surface of the substrate, each of the channels extending through the gate structure, a source/drain layer on a portion of the active pattern adjacent the gate structure, the source/drain layer contacting the channels, and a sacrificial pattern on an upper surface of each of opposite edges of the portion of the active pattern in the second direction, the sacrificial pattern contacting a lower portion of a sidewall of the source/drain layer and including silicon-germanium.

Abstract: A system for realizing transformation of a thermal power unit based on combined high-parameter and low-parameter molten salts includes a high-parameter molten salt energy storage system, a low-parameter molten salt energy storage system and a thermal power unit. The high-parameter molten salt energy storage system and the low-parameter molten salt energy storage system include an electric heater for heating a molten salt, and an electric energy input end of the electric heater is connected with an electric energy output end of the thermal power unit. The low-parameter molten salt energy storage system includes a low-parameter molten salt heat absorption loop and a low-parameter molten salt heat release loop, and the high-parameter molten salt energy storage system includes a high-parameter molten salt heat absorption loop and a high-parameter molten salt heat release loop.

Abstract: The embodiments of the disclosure disclose a method and device for adjusting camera gain and a scanning system. The method includes: collecting a current frame image of a to-be-detected object; selecting a preset region in the current frame image for grayscale calculation to obtain a first calculation result; and adjusting camera gain in a corresponding brightness adjustment period based on the first calculation result.

Abstract: A recliner for a vehicle seat includes a first gear having a center hole provided at a center thereof, a second gear being internally in contact with the first gear and configured to eccentrically engage with the first gear, a socket having a coupling portion configured to be coupled to the center hole, and a pair of wedge cams disposed between the socket and the second gear and configured to restrain or release the socket and the second gear.

Abstract: Disclosed are a method and an apparatus for multiple-beat detection using electrocardiogram global feature vectors. This method and apparatus extracts global features of each electrocardiogram wave, and extracts and learns, using the extracted global features as input vectors, a pattern of global features of a consecutive electrocardiogram wave by applying an attention mechanism to a weighted feature matrix in consideration of the degree of contribution of each feature to detect multiple beats.

Abstract: A composition includes a first portion including Ni-rich LiNixCoyMnzO2, where 0.5<x<1, 0<y<1, 0<z<1; a second portion including Li3PO4 such that the second portion is coated on the first portion, and the first portion is doped with an elemental metal selected from at least one of Zr, Sn, Nb, Ta, Al, and Fe. The molar ratio between Li3PO4 and Ni-rich LiNixCoyMnzO2 ranges from 0.76:100 to 3.8:100. A method of forming a composition includes mixing a metal precursor with nickel-cobalt-manganese (NCM) precursor to form a first mixture; adding a lithium-based compound to the first mixture to form a second mixture; and calcining the second mixture at a predetermined temperature for a predetermined time to form the composition.

Abstract: A high-speed hairdryer brushless motor includes an outer housing, a stator assembly and a rotor assembly. The stator assembly includes a stator core and a coil assembly. The stator core includes a yoke portion and a teeth portion. The teeth portion includes an inner cylinder body and N outer teeth. The inner wall of the inner cylinder body is a complete cylindrical surface. N magnetic insulating grooves are provided on the outer wall of the inner cylinder body, each magnetic insulating groove being provided axially along an entire length of the inner cylinder body. The coil assembly is wound on the outer teeth of the teeth portion. Each magnetic insulating groove is a V-shaped groove that opens toward the exterior of the inner cylinder body. The rotor assembly includes a rotating shaft and a rotor magnet. An air gap is provided between the rotor magnet and the cylindrical surface.

Abstract: Provided are a video generation method and apparatus, an electronic device and a storage medium. The method includes: receiving a triggering operation acting on a video capturing interface and capturing an original video in response to the triggering operation; determining a video segment of interest in the original video; and performing video synthesis processing based on the video segment of interest and the original video to obtain a target video.

Abstract: A pump motor is disclosed. The pump motor includes a case; a socket part disposed in a portion of the case and provided with a terminal part thereinside; and a cover part detachably coupled to the case and configured to open and close the socket part, wherein the socket part includes a moisture blocking member configured to block a gap between the case and the cover part.

Abstract: The embodiment of the application provides a display module and a display device. The display module includes a metal back frame and a display panel. The display panel includes a first substrate disposed on the metal back frame and disposed opposite to the first substrate and between the first substrate and the metal back frame. The first substrate includes a substrate and a thin film transistor layer disposed on one side of the substrate close to the second substrate.

Abstract: A curved surface backlight module and a curved surface display device are provided. The backlight module includes a plurality of light-emitting units. The light-emitting units include reflector cups. The plurality of reflector cups include first reflector cups located in an edge partition and second reflector cups located in a central partition. The first reflector cups are asymmetric with respect to a first curved surface normal corresponding to a position at where the first reflector cups are located. A maximum brightness center of the first reflectors of the edge partition can be made to emit light parallel to a user's viewing direction, and brightness attenuation at an edge of a display device can be relieved.

Abstract: A surgical exercise performed with a surgical robotic system is sensed by depth cameras, generating 3D point cloud data. Robot system data associated with the surgical robotic system is logged. Object recognition is performed on image data produced by the one or more depth cameras, to recognized objects, including surgical equipment and people, in the operating room (OR). The surgical exercise is digitized by storing the 3D point cloud data of unrecognized objects, a position and orientation associated with the recognized objects, and c) the robot system data.

Abstract: The present disclosure discloses a method for vector reading-writing, a vector-register system, a device and a medium. When a vector-writing instruction is obtained, by using a vector-register controller, a to-be-written-vector address space is converted into a to-be-written-vector-register-file bit address, and, for a nonstandard vector, by using a nonstandard-vector converting unit, after the nonstandard vector is converted into a to-be-written nonstandard vector, and, subsequently, writing is performed, to realize the saving of vector data of any format. When a vector-reading instruction is obtained, by using the vector-register controller, according to the to-be-read width and the to-be-read length, after the to-be-read-vector address space is converted into a to-be-read-vector-register-file bit address, and, subsequently, reading is performed, to realize the reading of vector data of any format.

Abstract: The present invention discloses a metal-free perovskite film and metal-free perovskite piezoelectric nanogenerators comprising the film. The metal-free perovskite film is organic, lead-free and metal-free. The open-circuit voltage of the metal-free perovskite piezoelectric nanogenerators can reach 9˜16 V and the short-circuit current of the metal-free perovskite piezoelectric nanogenerators can reach 38˜55 nA. Also, the metal-free perovskite piezoelectric nanogenerators can be used as self-powered strain sensor of human-machine interface application and be adopted in in vitro electrical stimulation devices.

Abstract: The application discloses a separate type electric wine dispenser and preserver, including: a wine dispensing main unit and a stopper component. The lower part of the wine dispensing main unit is provided with a connector. A liquid guide chamber and an air guide chamber are arranged in the connector. The upper part of the stopper component is provided with a stopper valve. The upper part of the stopper valve is provided with an air inlet hole and a liquid guide hole protruding out of the stopper valve. The air inlet hole corresponds to the air guide chamber in position. The liquid guide hole is inserted in the liquid guide chamber. After wine dispensing, the separate type electric wine dispenser and preserver can seal a bottle for preservation by simply removing the wine dispensing main unit while the stopper component remains being kept on the bottle.

Abstract: The present invention provides a hearing device and a method for adjusting a hearing device with which adjustments are performed in real-time in accordance with sound (in particular, sound in the surrounding environment) input into the hearing device, thereby enabling the input sound to be finely adjusted and output to a user. The hearing system includes a hearing device, and a rechargeable battery device which is connected to the hearing device by way of a network and which accommodates the hearing device, wherein the hearing device is provided with: an input unit which acquires sound data from the outside and sound data from another device; a communication unit which transmits the sound data from the outside and the sound data from the other device to the battery device, and receives a parameter set generated by the battery device on the basis of a result obtained by adjusting the sound data; and an output unit which outputs the adjusted sound data to the user as sound, on the basis of the parameter set.

Abstract: Systems and methods are provided for an electrolyte for a flow battery comprising a redox active species and a plurality of supporting salts dissolved in the electrolyte. The redox active species having a concentration greater than 2.0 M and the plurality of dissolved supporting salts comprising a potassium salt, and ammonium salt, a calcium salt, and a manganese salt.

Abstract: The battery module according to the present disclosure comprises a plurality of battery cells stacked in one direction; a module case accommodating the plurality of battery cells; and a vent positioned on top of the plurality of battery cells, wherein the vent comprises a plurality of partitions forming a plurality of flow channels distinguished from each other.

Abstract: Disclosed herein is an apparatus for reproducing a hologram image. The apparatus may include a holographic display module for reproducing a digital hologram, a background display module for reproducing a background image, and a combiner for selecting the background image in consideration of the depth map of the digital hologram and reproducing a hologram image synthesized by combining the selected background image with the digital hologram.

Abstract: An array substrate and a display panel are provided. The array substrate includes a substrate, an array layer, an inorganic insulation layer, a conductive electrode, a passivation layer, and a pixel electrode disposed in sequence. The array layer includes a source electrode and a drain electrode. A first via hole is defined in the array substrate. The first via hole penetrates the passivation layer and the inorganic insulation layer and exposes the drain electrode. The pixel electrode is connected to the drain electrode in the first via hole.