Abstract: Provided are a compound as represented by formula (I), and a pharmaceutically acceptable salt, tautomer, mesomer, racemate, stereoisomer, metabolite, metabolic precursor, or drug precursor thereof, and application thereof as a protein regulator, in particular a GSPT1 protein regulator, and a preparation method.

Abstract: An application migration method from client-server architecture to blockchain architecture is provided. The application migration method includes the following steps: S1: modeling an application program of a conventional client-server architecture and abstracting the application program to a program call tree; S2: defining a taint propagation rule for taint analysis by taking key data as tainted data, to acquire all taint variables in the application program; and S3: identifying a key module of the application program on the program call tree according to a tainted path, and setting a code refactoring rule to perform code refactoring on a method in the key module according to a special program structure.

Abstract: A video decoding method includes: performing entropy decoding on a coding block of a video image frame to obtain a quantization coefficient block of residual data corresponding to the coding block; inversely quantizing the quantization coefficient block to obtain an inverse quantization coefficient matrix; inversely rearranging the inverse quantization coefficient matrix to obtain a processed coefficient matrix, non-zero coefficients in the processed coefficient matrix being concentrated in left, upper and upper left regions of the coefficient matrix; and generating the residual data according to the processed coefficient matrix.

Abstract: An isoindolinone compound represented by structural formula (I) or a pharmaceutically acceptable salt thereof can be used in the treatment of proliferative diseases. A pharmaceutical composition contains the compound or the salt thereof and a pharmaceutically acceptable carrier.

Abstract: A spliced screen and a display apparatus are provided. The spliced screen includes: first display panels spliced together, each of which includes a first display region and a first non-display region around the first display region; the first non-display region is a light-transmitting region; and second display panels on non-display sides of the first display panels, each of the second display panels includes a second display region and a second non-display region around the second display region, and light outgoing directions of first and second display panels are the same. A spacing region is arranged between the first display regions of any two adjacent first display panels, and the spacing region includes at least part of the first non-display regions of the two adjacent first display panels; the second display region and the spacing region overlap each other in a thickness direction of the spliced screen.

Abstract: A method of reducing a power consumption of a wireless device according to one embodiment includes performing, by the wireless device, a calibration of wireless communication circuitry of the wireless device in response to establishing a wireless communication connection with a wireless access point, determining, by the wireless device, a number of disconnections between the wireless device and the wireless access point over a predefined period of time, and increasing, by the wireless device, a sleep interval of the wireless communication circuitry of the wireless device in response to determining the number of disconnections between the wireless device and the wireless access point over the predefined period of time is less than a threshold number of disconnections.

Abstract: A solid-state circuit breaker may include power modules, gate drives, a current sensor, and a controller. Each power module may include two back-to-back MOSFETs with body diodes. The MOSFETs may have opposite orientations and a common source connection within the power module. The current sensor may detect current, and the controller may determine whether the current exceeds a predetermined threshold. When the current exceeds the predetermined threshold, the controller may transmit a signal to each gate drive to cause each gate drive to output a signal to the back-to-back MOSFETs such that the electrical current through the solid-state circuit breaker is blocked in both directions.

Abstract: The invention discloses a durable roof structure with frost resistance and high ductility and a construction method thereof, belonging to the technical field of roofing, and comprises a base layer, a leveling layer, a flexible waterproof coating, a thermal insulation layer and a crack-resistant and frost-resistant surface layer arranged in sequence from bottom to top. The invention not only has lower requirements on construction conditions and simple operation, but also reduces the generation of large cracks, effectively improves the crack resistance and frost resistance of the roof, improves the roof structure, and is more suitable for the northern cold region.

Abstract: An unlocking tool for unlocking a terminal of a connector includes a handle portion having a pair of handle halves that can be opened and closed, a tool head having a pair of tool head halves, each of the tool head halves is fixed to an end of one of the handle halves, and a cable through hole axially penetrating through the handle portion and the tool head. The cable through hole is configured to accommodate a cable. The tool head halves combine to form a cylindrical tool head when the handles halves are closed. The cylindrical tool head is insertable into an insertion hole in the connector to drive a terminal locking member of the connector to an unlocking position separate from the terminal.

Abstract: System and method for controlling one or more light emitting diodes. For example, the system for controlling one or more light emitting diodes includes a current regulation circuit coupled to a cathode of one or more light emitting diodes. The one or more light emitting diodes include the cathode and an anode configured to receive a rectified voltage. Additionally, the system includes a control circuit coupled to the cathode of the one or more light emitting diodes. The control circuit is configured to receive a first voltage from the cathode of the one or more light emitting diodes, compare a second voltage and a threshold voltage, and generate a control signal based at least in part on the second voltage and the threshold voltage. The second voltage indicates a magnitude of the first voltage.

Abstract: A display module includes a flexible display panel, a support plate, a transparent support structure and a light-shielding portion. The flexible display panel includes a display surface, and the display surface includes a light-transmissive region. The support plate is disposed on a side of the flexible display panel facing away from the display surface, and the support plate has a light-transmissive hole. The transparent support structure is filled in the light-transmissive hole, and an orthographic projection of the transparent support structure on the display surface at least partially overlaps with the light-transmissive region. The light-shielding portion disposed on at least part of a sidewall of the light-transmissive hole.

Abstract: Provided is a display substrate, including a display area and a bonding area located at a side edge of the display area and connected therewith; the bonding area includes a first non-bendable region, a bendable region and a second non-bendable region sequentially arranged and connected; the display substrate further includes a base, and an inorganic insulating layer, a metal conductive layer and an organic insulating layer successively located on the base; orthographic projections of the inorganic and organic insulating layers on the base are located in the display area and the first and second non-bendable regions; the metal conductive layer extends from the display area to the first non-bendable region, the bendable region and the second non-bendable region; the display substrate further includes an adjustment protective layer made of Optical Clear Resin and located on the organic insulating layer; and the adjustment protective layer covers the bendable region.

Abstract: A method for in-situ etching diamond is provided, relating to the technical field of diamond etching. According to the application, the diamond is etched by using the convergent electron beam in an atmosphere of reaction gas.

Abstract: A display module and a display apparatus are provided. The display module includes a display panel and a support layer. The support layer is disposed on a non-display side of the display panel; the support layer includes a support plate and a first support part connected with the support plate. The support plate is provided with a first hole, and the first support part is disposed in the first hole; at least a portion of the first support part is light permeable. A side surface of the support plate proximate to the display panel is substantially flush with a side surface of the first support part proximate to the display panel. A thickness of the support layer is in a range of approximately 10 ?m to approximately 200 ?m, inclusive.

Abstract: The present disclosure relates to the technical field of medical supplies, in particular to a fusion cage. The fusion cage comprises a main body, which is a flat-shaped porous structural body and composed of a plurality of structural units. The fusion cage provided by the present disclosure is the flat-shaped porous structural body composed of the plurality of structural units, the porosity of the whole structure of the fusion cage is controlled by using the parametrization design, so the elastic modulus of a fusion body is effectively reduced, and then each structural unit comprises the basal body and the plurality of extension portions extending from the surface of the basal body, the surfaces of the basal body and/or the extension portions are composed of the plurality of curved surfaces through smooth connection, and such design effectively reduces the problem of stress concentration, and improving the postoperative recovery effect of patients.

Abstract: System and method for controlling one or more light emitting diodes. For example, the system includes: a voltage detector configured to receive a rectified voltage associated with a TRIAC dimmer and generated by a rectifying bridge and generate a first sensing signal representing the rectified voltage; a distortion detector configured to receive the first sensing signal, determine whether the rectified voltage is distorted or not based at least in part on the first sensing signal, and generate a distortion detection signal indicating whether the rectified voltage is distorted or not; and a phase detector configured to receive the first sensing signal and generate a phase detection signal indicating a detected phase range within which the TRIAC dimmer is in a conduction state based at least in part on the first sensing signal.

Abstract: A display panel includes an array substrate, a composite functional layer, a first adhesive layer and a cover plate. The composite functional layer is located on a side of the light-emitting layer away from the base substrate. A through hole penetrating through the composite functional layer and the array substrate is formed on the array substrate and the composite functional layer. The array substrate includes a non-display area surrounding the through hole. The composite functional layer includes a first shading layer, and the orthographic projection of the first shading layer on the array substrate is located in the non-display area of the array substrate. The first adhesive layer is located on a side of the composite functional layer away from the base substrate. The cover plate is located on a side of the first adhesive layer away from the base substrate.

Abstract: A display apparatus includes a driving chip, a flexible circuit board and a display panel. The display panel includes a display portion and a bonding portion on one side of the display portion, and the bonding portion includes a first bending portion, a first connection portion, a second bending portion and a second connection portion which are sequentially arranged in a direction with an increasing extending distance from the display portion. The driving chip is in bonding connection with the display panel in the first connection portion, the flexible circuit board is in bonding connection with the display panel in the second connection portion, the driving chip is disposed on a side of the first connection portion facing away from the display portion, and the flexible circuit board is disposed on a side of the driving chip facing away from the display portion.

Abstract: A system for testing fatigue performance of material in low-temperature liquid hydrogen environment, which relates to the technical field of mechanical property test platforms, includes a jacket cover. A hydrogen sensor is provided at the top of and within the jacket cover; a rack, a liquid hydrogen tank and a liquid nitrogen tank are provided in the jacket cover; a loading mechanism and a liquid hydrogen containing mechanism are provided on the rack, the loading mechanism is connected to the rack, and the bottom of the loading mechanism extends into the liquid hydrogen containing mechanism; the liquid hydrogen tank and the liquid nitrogen tank both communicate with the liquid hydrogen containing mechanism; and the loading mechanism is configured for providing tension or pressure to a sample. The liquid hydrogen containing mechanism is provided with a cooling channel located around a sealing gasket, the cooling channel communicates with a thermostat.