Abstract: A multi-tower linkage type aerial hoisting platform includes: four tower crane body lifting/lowering parts respectively disposed in an outer periphery of a building to form a rectangle through enclosure, and including a tower crane body and a self-climbing lifting/lowering system that is capable of climbing or descending step by step along the tower crane body; four tower-crane-body-connected support beams, respectively disposed on two opposite self-climbing lifting/lowering systems, where a hoisting platform enclosed by the tower-crane-body-connected support beams is driven by the self-climbing lifting/lowering systems to move up and down synchronously; and four movable tower crane bases, respectively disposed at lower ends of the four tower crane body lifting/lowering parts, including movable chassis that are used as movable supports with a variable platform angle and support parts disposed on the movable chassis, where four corners of the support parts are respectively provided with rotary drilling fasteni

Abstract: The present disclosure may provide a radiation system including a first rotation portion, a second rotation portion, a treatment head, one or more imaging sources, and at least one detector. At least a portion of the treatment head may be disposed in the first rotation portion. At least one of the one or more imaging sources may be disposed in the second rotation portion. The second rotation portion may be able to rotate independently from the first rotation portion.

Abstract: A pixel circuit, a driving method and a display device. The pixel circuit includes a driving circuit, a first control circuit, a compensation control circuit and a first initialization circuit; the first control circuit is configured to control to connect the control end of the driving circuit and the connection node under the control of a first scan signal; the compensation control circuit is configured to control to connect the connection node and the first end of the driving circuit under the control of a second scan signal; the first initialization circuit is configured to write a first initialization voltage into the connection node under the control of an initialization control signal; the driving circuit is configured to control to connect the first end and a second end of the driving circuit under the control of a potential of the control end thereof.

Abstract: A crack sensor, comprising a flexible film, wherein a first side of the flexible film is provided with a plurality of linear protrusions, and an opposite second side of the flexible film is configured with a linear structure; the linear structure comprises, in order from bottom to top, a silver layer, a chromium layer, and a CNT-PDMS layer, wherein the CNT-PDMS layer is composed of polydimethylsiloxane doped with carbon nanotubes; the silver layer is configured with a crack structure, the crack structure being a crack that changes in response to the deformation of the silver layer. The crack sensor effectively resists crack propagation, significantly improving the stability of the crack sensor while also exhibiting high sensitivity. Further provided is a preparation method for the crack sensor.

Abstract: Disclosed is a pixel circuit including a drive sub-circuit, a writing sub-circuit, a first reset sub-circuit, and a light emitting element. The drive sub-circuit is configured to provide a drive current between a first electrode and a second electrode of the drive sub-circuit in response to a control signal of a first node; the writing sub-circuit is configured to write a data voltage signal to the first electrode of the drive sub-circuit in response to a control signal of a first scan signal line; the first reset sub-circuit is configured to reset an anode terminal of the light emitting element in response to a control signal of a second scan signal line; and in a low frequency display mode, an input frequency of the control signal of the first scan signal line is the same as a data refresh frequency.

Abstract: Disclosed is a screw compressor (100), comprising a screw compressor housing (101), a discharge cavity (113), at least one silencing channel, and at least one adjustment piston, wherein the discharge cavity (113) is defined by at least one part of the screw compressor housing (101); the at least one part of the screw compressor housing (101) defining the discharge cavity (113) forms a wall of the discharge cavity (113); at least one hole is provided in the wall of the discharge cavity (113); the at least one adjustment piston can be inserted into the at least one hole and move therein; the at least one silencing channel is formed by the at least one hole and the at least one adjustment piston, and the at least one silencing channel is in fluid communication with the discharge cavity (113); and the position of the at least one adjustment piston in the at least one hole determines the silencing length of the at least one silencing channel.

Abstract: The present disclosure provides a pixel driving circuit, a pixel driving method and a display panel, relating to a field of display technology. The pixel driving circuit includes a driving transistor; a storage capacitor connecting a first node and a second node; a data writing unit configured to output a data voltage to the second node in response to a first scan signal; a light emitting control unit configured to electrically communicate a third node and a fourth node in response to a light emitting control signal; a first reset unit configured to output a reference voltage to the second node in response to the light emitting control signal or a first reset signal; a second reset unit configured to output an initialization voltage to the first node in response to a second reset signal.

Abstract: Disclosed in the present invention are a high-strength steel composite galvanized sheet resistant to LME cracking during spot welding, and a preparation method therefor. The high-strength steel composite galvanized sheet comprises a high-strength steel body (1), low-carbon steel composite layers (2) and a galvanized layer (3), wherein two low-carbon steel composite layers (2) are respectively compounded and rolled on two surfaces of the high-strength steel body (1), the galvanized layer (3) is formed on the surface of at least one low-carbon steel composite layer (2), and a high-strength steel composite galvanized sheet is thus formed.

Abstract: A method for detecting a display panel defect, including: collecting a panel image of a to-be-detected display panel, a plurality of first pixels of the display panel corresponding to a plurality of second pixels in the panel image; converting the panel image into a binary image; dilating each bright spot region in the binary image such that adjacent bright spot regions communicate with each other to form at least one closed communication region in the binary image; determining a region of interest mask image in the binary image in accordance with the at least one closed communication region; determining a region of interest in accordance with the region of interest mask image and the panel image; and performing feature identification on the region of interest to determine a defect of the display panel.

Abstract: A heating assembly and a water heater are provided. The heating assembly includes multiple container bodies, the multiple container bodies being arranged in parallel, water flow cavities being provided in the container bodies, and a connecting pipe being provided between adjacent container bodies to communicate adjacent water flow cavities; a water inlet pipe separately connected to the multiple container bodies, the water inlet pipe being provided with multiple drainage holes, and each water flow cavity being communicated with the water inlet pipe by means of at least one drainage hole; a water outlet connected to one of the container bodies or the connecting pipe to discharge liquid in the water flow cavities; and multiple heating elements correspondingly connected to the multiple container bodies, respectively, and used for heating the liquid in the multiple water flow cavities.

Abstract: This application provides a camera switching method and an electronic device, and relates to the field of terminal technologies. An electronic device receives a first operation of a user. In a scenario in which an actual photographing distance is less than a first value, the electronic device displays a first interface in response to the first operation, where the first interface is used to display an image frame collected by the first camera, and the first value is a minimum focusing distance of a first camera. When the electronic device determines that a first condition is met, the electronic device displays a second interface, where the second interface is a preview framing interface used by the electronic device for photographing.

Abstract: An imaging device is provided. The imaging device includes: one or more imaging sources; and a plurality of detectors combined by joining, the plurality of detectors being configured to receive one or more imaging beams emitted by the one or more imaging sources.

Abstract: Embodiments of the present disclosure relate to the field of video coding and decoding, and provide a picture decoding method, a picture coding method, and corresponding apparatuses. According to an example of the picture decoding method, a quantization parameter (QP) value of at least one pixel point is determined for any at least one pixel point indicating one pixel point or a plurality of parallel dequantized pixel points in the current coding block, the QP values of at least two pixel points among pixel points in the current coding block being different. The at least one pixel point is then dequantized according to the QP value of the at least one pixel point. The QP value of each pixel point is determined for the coding block; therefore, each pixel point can be dequantized according to the QP value of each pixel point.

Abstract: A battery assembly for a medical device includes a housing that is configured to removably couple to the medical device. The battery assembly also includes a battery within the housing, a first terminal exposed on an outside of the housing, and a power button that forms part of the housing. The battery assembly further includes a battery control circuit within the housing, wherein the battery control circuit is configured to disable an output path from the battery to the first terminal when the power button is in an off position.

Abstract: Disclosed are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a substrate and a plurality of sub-pixels, at least one sub-pixel includes a pixel drive circuit and a light emitting device connected to the pixel drive circuit, the pixel drive circuit includes a plurality of transistors, wherein at least one transistor includes an active layer and two gate electrodes. The substrate is provided with a semiconductor layer and a plurality of conductive layers disposed on one side of the semiconductor layer away from the substrate, at least one conductive layer is provided with at least one electrode plate, and there is an overlapping region between an orthographic projection of the electrode plate on the substrate and an orthographic projection of the active layer between the two gate electrodes on the substrate.

Abstract: An electronic device includes an electronic unit and a circuit structure. The circuit structure is electrically connected to the electronic unit and includes a first circuit structure, a second circuit structure, a bonding pad, and an adjustment layer. The first circuit structure includes at least one first circuit layer and at least one first insulation layer. The second circuit structure is disposed between the electronic unit and the first circuit structure, and includes at least one second circuit layer and at least one second insulation layer. The bonding pad and the adjustment layer are disposed between the second circuit structure and the first circuit structure. A coefficient of thermal expansion of the adjustment layer is smaller than that of at least one of the at least one first insulation layer of the first circuit structure and the at least one second insulation layer of the second circuit structure.

Abstract: The present disclosure provides a package tray and a case module. The package tray includes a first frame and a second frame. The first frame has a first side and a second side. The second frame has a third side and a fourth side connected to the second side. Wherein, the length of the first side is greater than the length of the third side, and a plurality of positioning locations are distributed on both the first frame and the second frame. At least a portion of the positioning locations are disposed corresponding to each other.

Abstract: An end cover structure and a water chiller. The end cover structure includes: an end cover body; a water inlet pipe, provided on the end cover body; a water outlet pipe, provided on the end cover body, the water outlet pipe and the water inlet pipe being provided independent of each other; a bypass pipeline in which two cavities are formed, one of the two cavities being communicated with the water inlet pipe, and the other being communicated with the water outlet pipe; and an adjusting member, movably provided in the bypass pipeline. The adjusting member is movable to adjust the communication between the two cavities.

Abstract: Embodiments of the present application disclose a natural language processing method and apparatus, a device, and a readable storage medium. The method includes: obtaining a target sentence to be processed, and determining each first entity in the target sentence; for each first entity, in response to the first entity being present in a preset entity set, determining, in the preset entity set, a second entity in maximum correlation with the first entity, generating extended information based on the determined second entity, and adding the extended information after a location of the first entity in the target sentence, to obtain an updated target sentence, where the second entity is any entity in the preset entity set other than the first entity; and inputting the updated target sentence to a bidirectional encoder representations from transformer (BERT) model, such that the BERT model performs a natural language processing task.

Abstract: A rotary digging drill includes three disk drills arranged in ascending order of diameter, each with a cavity therein. The disk drill includes two circular ring seats arranged side by side, multiple toothed digging buckets disposed at peripheries of the two circular ring seats, and ring gear racks respectively disposed on inner sides of the two circular ring seats. Adjacent ones of the disk drills have the toothed digging buckets facing opposite directions, and the disk drills all rotate in a direction facing a large opening, enabling adjacent two of the three disk drills to rotate in opposite directions. The rotary digging drill further includes three disk drill supports that match the three disk drills in quantity and are configured to support and drive the three disk drills.