Abstract: An energy conversion apparatus includes: an inductor, where a first end of the inductor is connected to an external charging port; a bridge arm converter, connected between an external battery and the external charging port, where the bridge arm converter includes a first phase bridge arm, a second phase bridge arm, and a third phase bridge arm connected in parallel, and a second end of the inductor is connected to the first phase bridge arm; a voltage transformation unit, where an input end of the voltage transformation unit is connected to the second phase bridge arm and the third phase bridge arm; and a first bidirectional H-bridge, connected between an output end of the voltage transformation unit and the external battery. The external battery is connected to and drives an external motor. The external charging port is connected to a power supply and charges the external battery.

Abstract: The invention generally relates to improved processes for the preparation of intermediates of a cyclic dinucleotide which is useful as a STING agonist.

Abstract: A display driving method, a display driving device and a display device are provided. The display driving method includes: when displaying an odd-numbered frame, providing first parity row data of the odd-numbered frame to a display array, to enable a third parity row of the display array to be displayed based on real data of the first parity row data and enable a fourth parity row of the display array to be displayed based on interpolation data of the first parity row data; and when displaying an even-numbered frame, providing second parity row data of the even-numbered frame to the display array, to enable the fourth parity row of the display array to be displayed based on real data of the second parity row data and enable the third parity row of the display array to be displayed based on interpolation data of the second parity row data.

Abstract: A display assembly, a display device and a driving method for the display assembly are provided. The display assembly includes: a dimming array (10) and a pixel array (20) stacked together; wherein the dimming array (10) includes a plurality of dimming units (101) arranged in an array; the pixel array (20) includes a plurality of pixel units (201) arranged in an array; each dimming unit (101) corresponds to at least one pixel unit (201), and different dimming units (101) correspond to different pixel units (201), respectively. The display assembly further includes: a first driver chip (102) configured to drive the dimming array (10). The number of output channels of the first driver chip (102) is equal to the number of columns of dimming units (101) in the dimming array (10), and each output channel of the first driver chip (102) is connected to one column of dimming units (101).

Abstract: The present disclosure discloses a rail corrugation recognition method and apparatus based on a support vector machine, a device, and a medium.

Abstract: An MPCVD device capable of realizing effective doping, comprises a reaction chamber and a gas input structure, wherein the gas input structure includes a first pipeline and a second pipeline for reaction gas, a first gas distributor, connected with the first pipeline, uniformly transports gas as a first reactant into the reaction chamber through a gas outlet of the first pipeline located near the top of the reaction chamber, the second pipeline uniformly inputs a doped reaction gas to a surface of a substrate through a second gas distributor with circular shape, a height of the gas transport ring connected with the second pipeline is substantially the same as that of a support for the substrate, and the gas transport ring can be concentrically placed at a center position inside the support, or the gas transport ring can also be concentrically placed outside the support.

Abstract: A fracturing transportation system, which includes a high-low pressure manifold skid, including a plurality of first high-pressure input ends and a first high-pressure output end; a plurality of first high-pressure pipes, arranged in one-to-one correspondence with the first high-pressure input ends, an end of one first high-pressure pipe is directly connected with a corresponding one of the first high-pressure input ends, and another end of the first high-pressure pipe is configured to be directly connected with an output end of a fracturing device; and a second high-pressure pipe, an end of the second high-pressure pipe is directly connected with the first high-pressure output end; the first high-pressure pipe and the second high-pressure pipe are configured to bear a pressure greater than or equal to 100 MPa, and at least one of the first high-pressure pipe and the second high-pressure pipe adopts a high-pressure flexible pipe.

Abstract: A power assembly includes a transmission, a motor and a heat conductive element. The transmission includes a transmission housing and a transmission input shaft rotatably connected to the transmission housing, and the transmission housing has a through hole. The motor includes: a motor housing having an open end and a closed end opposite to the open end, and the open end being connected to the transmission housing; a rotor rotatably arranged in the motor housing; a motor output shaft having an end connected to the rotor and another end passing through the through hole to be connected to the transmission input shaft; and a stator fixed in the motor housing and arranged on a peripheral outer side of the rotor. The heat conductive element is arranged between an end of the stator and the transmission housing.

Abstract: Provided is a display system, including one or more display screens (11, 12), a plurality of source drivers (13, 14), a timing controller (15) and a graphics processing unit (16). Each display screen (11, 12) is connected to one or more source drivers (13, 14). The graphic processing unit (16) is connected to the timing controller (15). The timing controller (15) is connected to the plurality of source drivers (13, 14). The graphic processing unit (16) is configured to determine each image of the one or more display screens (11, 12) and transmit the image to the timing controller (15). The timing controller (15) is configured to divide each image of the one or more display screens (11, 12) into a plurality of sub-images in a P2P transmission manner, and output in parallel the corresponding sub-images to the plurality of source drivers (13, 14).

Abstract: A level conversion circuit and a display panel are provided. The level conversion circuit includes a signal generation circuit configured to output driving signals through a plurality of signal output terminals, a first operational amplification circuit configured to level-convert a voltage of an input terminal and output the voltage through an output terminal, and signal output terminals of the signal generation circuit are in one-to-one correspondence with input terminals of the first operational amplification circuit; a plurality of switching circuits connected between the signal output terminal and the input terminal, connected to a control signal terminal, and configured to communicate the signal output terminal with the input terminal in response to a signal of the control signal terminal. At least part of the switching circuits are connected to different control signal terminals.

Abstract: Disclosed is a low-posture zero-gravity seat frame capable of being adjusted in multiple directions. A first left front connecting rod has a lower end hinged to a left slide rail front bracket and an upper end hinged to one end of a second left front connecting rod, and the other end of the second left front connecting rod is hinged to a front horizontal tube. A second toothed plate driving device is able to adjust the height of a seat framework through the movement of a rear horizontal tube. A seatbelt retractor is disposed below the seat framework. The seat frame can realize zero-gravity adjustment, occupies a small space, and can fulfill low-posture seat arrangement.

Abstract: A vehicle-mounted power supply apparatus and a vehicle having same. The vehicle-mounted power supply apparatus (100) includes: a housing (110), a magnetic device (120), and a shielding component (130). A mounting position (111) is arranged in the housing (110). The magnetic device (120) is an integrated part and is arranged at the mounting position (111), The shielding component (130) is arranged in the housing 110), and the shielding component (130) surrounds a periphery of the mounting position (111).

Abstract: This invention discloses a novel system and method for expressing multiple gene products in oleaginous yeasts including Yarrowia lipolytica and Rhodotorula toruloides. More particularly, the present disclosure provides novel promoters functional in Y. lipolytica which can be used for producing a broad range of bioproducts.

Abstract: A flexible pipe end portion connection structure is provided. The flexible pipe end portion connection structure includes a flexible pipe body and a joint. The joint includes a first end and a second end opposite to each other and has a channel extending through the joint in a direction from the first end to the second end. An inner sidewall of the first end of the joint has a plurality of first stepped structures, and an inner diameter of a portion of the channel corresponding to the first stepped structure gradually decreases in the direction from the first end to the second end. At least a part of an end of the flexible pipe body is inserted into the first end of the joint to fit with the first stepped structure.

Abstract: A cover, a fluid end and a plunger pump are provided. The cover includes: a body, the body being cylindrical, and the body including a first end, a second end, and a side surface connecting the first end and the second end; a main flow channel extending along an axis of the body; a plurality of subsidiary flow channels, each of the plurality of subsidiary flow channels being communicated with the main flow channel; a first opening, located at the first end and communicated with the main flow channel; and a plurality of second openings, located at the side surface of the body; each of the plurality of subsidiary flow channels being communicated with at least one of the plurality of second openings.

Abstract: This invention is in the field of medical devices. Specifically, the present invention provides fluidic systems having a plurality of reaction sites surrounded by optical barriers to reduce the amount of optical cross-talk between signals detected from various reaction sites. The invention also provides a method of manufacturing fluidic systems and methods of using the systems.

Abstract: The present disclosure provides a chip-on-film, a display substrate, a display device and a driving method. The display substrate includes a plurality of scanning lines and a plurality of cascaded shift register units coupled to the scanning lines. The display substrate further includes an output control signal line electrically coupled to each shift register unit for providing an enable signal for the shift register unit. The output control signal lines include at least two output control signal lines for providing different enable signals, and two adjacent cascaded shift register units are coupled to different output control signal lines.

Abstract: A level conversion circuit and a display panel are provided. The level conversion circuit includes a signal generation circuit configured to output driving signals through a plurality of signal output terminals, a first operational amplification circuit configured to level-convert a voltage of an input terminal and output the voltage through an output terminal, and signal output terminals of the signal generation circuit are in one-to-one correspondence with input terminals of the first operational amplification circuit; a plurality of switching circuits connected between the signal output terminal and the input terminal, connected to a control signal terminal, and configured to communicate the signal output terminal with the input terminal in response to a signal of the control signal terminal. At least part of the switching circuits are connected to different control signal terminals.

Abstract: The present disclosure provides a display substrate and a display device, belonging to the field of display technology, which can solve the problem that a splicing gap between existing adjacent display substrates of a spliced screen is relatively wide, and a narrow-bezel display cannot be realized. The display substrate of the present disclosure has a display area and a non-display area surrounding the display area; the display substrate includes a base and a plurality of pixel units located on the base and arranged in the display area; each of the pixel units includes a pixel circuit. The display substrate further includes: a light detection circuit located on the base and arranged in the non-display area; where the light detection circuit is configured to detect brightness of ambient light.

Abstract: Nonsense-mediated mRNA decay (NMD) polypeptides, nucleic acids encoding NMD polypeptides, and methods of using such polypeptides and nucleic acids in the treatment of ALS and in screening for agents for the treatment of ALS are described.