Abstract: The present disclosure provides a display substrate and a display device. The display substrate includes a base substrate, a driving circuit layer, at least one planarization layer and a light-emitting device layer sequentially arranged on the base substrate. The display substrate further includes: a black pixel defining layer and a spacer on a side of the planarization layer away from the base substrate. In the first display region, an orthographic projection of the spacer on the base substrate does not overlap with orthographic projections of a pixel opening and a connection via on the base substrate. In the second display region, the orthographic projection of the spacer on the base substrate does not overlap with orthographic projections of the pixel opening and a first light-transmitting opening on the base substrate, and at least partially overlaps with the orthographic projection of the connection via on the base substrate.

Abstract: A multifunctional fitness equipment comprises a frame assembly, a drive assembly, a slide car, and a smith machine. The frame assembly includes two base frames set opposite to each other and connected by a connecting rod. A first column and a second column are connected by a gantry frame and are set in the vertical direction relative to the connecting rod. A first cross beam and a second cross beam are set horizontally on the connecting rod and the gantry frame, respectively, and a third column is set between them, thus forming a structure of the fitness equipment. A pulley assembly cooperates with a first wire rope, a second wire rope, and a third wire rope to drive movement of the slide car, achieving routing from a middle of the structure of the fitness equipment, reducing friction and increasing service life of the multifunctional fitness equipment when in use.

Abstract: The display substrate includes a shielding conductive layer and a functional structure layer, wherein the shielding conductive layer at least includes a first connection line, and the functional structure layer at least includes a data signal line and a second connection line; in a plane parallel to the display substrate, the display substrate includes a plurality of circuit units forming a plurality of unit rows and a plurality of unit columns, at least one circuit unit includes a pixel driving circuit, the data signal line is connected to a plurality of pixel driving circuits of one unit column, the data signal line is configured to provide a data signal to the pixel driving circuit; the second connection line is connected with the first connection line, and the data signal line is connected with the second connection line.

Abstract: Provided is an anti-PD-L1 antigen binding protein, capable of binding to primate-derived PD-L1 with a KD value of 1×10?8 M or less. The antigen binding protein can block the binding of PD-1 and CD80 to PD-L1, stimulate the secretion of cytokines in immune cells, and can inhibit tumor growth and/or tumor cell proliferation. Also provided is a fusion protein, comprising human TGFBRII or a fragment thereof and the antigen binding protein. Also provided is an application of the antigen binding protein and/or the fusion protein in the prevention and treatment of tumors or cancers.

Abstract: A speculative-execution-based stateful programmable data plane structure and a chip are provided. The data plane structure includes: stage processors forming a pipeline for data processing, each stage processor being configured to process one pipeline stage; a side ring including ring nodes connected to the stage processors in one-to-one correspondence; a read processor configured to read a state required to be read of a stateful packet; and a write processor configured to write a state required to be written of the stateful packet, identify a packet having a state modified and requiring resubmission, upload the packet requiring resubmission to the ring node corresponding to the write processor, and transmit the packet requiring resubmission through the side ring to a ring node corresponding to a read processor. The read processor is further configured to download the packet requiring resubmission from the corresponding ring node.

Abstract: A method and a smart gas Internet of Things (IoT) system for determining a gas metering strategy are provided. The method includes: determining, based on time-dividing point correlation data, at least one group of candidate time-dividing points; determining, based on an assessment mode, an assessment result of the at least one group of candidate time-dividing points; determining, based on the assessment result, the at least two time-dividing points, wherein the at least two time-dividing points form at least one group of time-dividing point groups; transmitting at least two sound waves of different frequencies at the at least two time-dividing points and receiving at least two echo signals; determining, based on the at least two echo signals, a gas flow difference; determining, based on the gas flow difference, whether a noise interference exists; and in response to a determination that the noise interference exists, adjusting the gas metering strategy.

Abstract: The embodiment of the present disclosure provides a method and an Internet of Things system for managing and controlling a risk in a smart gas pipeline network by combining an ultrasonic flowmeter. The method includes: acquiring distributed ultrasonic data for least at one moment, processing at least one group of distributed ultrasonic data with different detection position distributions at at least one moment in a second preset time period through a low-volume leakage prediction model to determine at least one candidate second leakage risk of at least one preset point of the gas pipeline network; performing a weighted summation on the at least one candidate second leakage risk, and determining a second leakage risk of the at least one preset point; and generating warning information based on the second leakage risk, and sending the warning information to the user platform through the service platform for display to a user.

Abstract: An optical device and the prism module thereof are provided. The prism module includes a first prism, a second prism, a film and a light guide unit. The film is disposed between the first prism and the second prism. First visible light enters the first prism, passes through the film, enters the second prism, exits from the second prism, reaches the light guide unit, and is reflected to user's eyes by the light guide unit. Also, second visible light passes through the light guide and reaches user's eyes.

Abstract: Disclosed is a three-dimensional printing apparatus, including: an extruder formed with a feed channel and provided with a mounting area; and at least two hot ends, each formed with a discharge channel for accommodating a material and provided with an engagement portion, where the engagement portion is adapted to the mounting area of the extruder, and the engagement portions of the different hot ends are detachably connected to the mounting area, so that the feed channel of the extruder is respectively communicated with the discharge channels of the at least two hot ends.

Abstract: Disclosed herein is a three-dimensional printing apparatus, including a load-carrying member and a storage device, where the load-carrying member has a first limiting portion; the storage device is configured to store the load-carrying member and includes a fixed base and a mounting member, the mounting member being movably disposed on the fixed base and having a second limiting portion configured to engage with the first limiting portion; and the mounting member is configured to, when an interference occurs between the first limiting portion and the second limiting portion, move relative to the fixed base following movement of the first limiting portion.

Abstract: According to one aspect of the present disclosure, a method for operating a memory is provided. The method may include receiving an erase resume command. The erase resume command may indicate a resume of an erase operation on a memory block in a memory. The method may include, if the erase operation is in an erase pulse phase, releasing, at a first time, a voltage of a special word line to which the memory block is connected in response to a quantity of erase suspends of the memory block being less than a threshold. The quantity of erase suspends may refer to a quantity that the erase operation is suspended in the erase pulse phase. The method may include releasing, at a second time, the voltage of the special word line in response to the quantity of erase suspends being greater than or equal to the threshold, wherein the second time is earlier than the first time.

Abstract: A MAP architecture includes a low-voltage digital module, a low-voltage analog module, and one or more high-voltage analog modules. The low-voltage digital module is communicatively connected to the digital signal bus for implementing digital functions, the low-voltage analog module is communicatively connected to the low-voltage digital module and the digital signal bus for implementing low-voltage analog functions, and the high-voltage analog modules are communicatively connected to one or more of the low-voltage digital module, the digital signal bus, and the low-voltage analog module for implementing high-voltage analog functions. The present disclosed MAP architecture integrates low-voltage and high-voltage analog functions required for applications such as energy-saving power control. These functions include power input, mixed-signal processing, and load driving. The integration of these functions allows users to reduce the construction of peripheral hardware analog circuits as much as possible.

Abstract: The present disclosure provides a method for intelligent metering of natural gas, including obtaining a metering value of the natural gas used by a user in a time period from a metering device via a network, the metering device being located at a gas supply terminal of a transmission pipe network, and determining a consumption amount of natural gas based on the metering value and a pricing scheme. The pricing scheme includes a volume-based pricing scheme and an energy-based pricing scheme. Volume unit prices of the natural gas in different component types are different, and are determined based on an adjustment model.

Abstract: A disaster recovery method, apparatus, and system are provided. The method includes: A first data center synchronously replicates backup data to a second data center through a first synchronous replication link. When a third data center is normal, the first data center asynchronously replicates the backup data to the third data center through a first asynchronous replication link. When the third data center is faulty, the first data center asynchronously replicates the backup data to a fourth data center through a second asynchronous replication link. Both the first data center and the second data center are production centers, and the first data center and the second data center are located in a first region. Both the third data center and the fourth data center are disaster recovery centers, and the third data center and the fourth data center are located in a second region.

Abstract: A display panel and a display device are provided. The display panel includes a base substrate, a driving circuit layer, a light-emitting device layer, and a color film layer. Color film patterns of the color film layer includes first color film patterns, second color film patterns and third color film patterns, light-emitting regions of first color sub-pixels and light-emitting regions of second color sub-pixels are alternately arranged along a first direction to form first sub-pixel rows; light-emitting regions of third color sub-pixels are arranged along the first direction to form second sub-pixel rows. The first sub-pixel row includes a middle first sub-pixel, two adjacent second sub-pixel rows, and two outer first sub-pixel rows. The first color film pattern in the middle first sub-pixel row extends across the adjacent second sub-pixel row and further extends to the outer first sub-pixel row.

Abstract: A method for fully-automatic fine geological detection by using array acoustic waves and an apparatus therefor carried on a shield machine, including: performing array acoustic wave detection on geology in front of a cutter head by using a plurality of acoustic wave probes mounted on the cutter head, to obtain a three-dimensional (3D) image of adverse geology in front of the cutter head; wherein, mounting positions of the acoustic wave probes on the cutter head are determined by an acoustic wave probe optimization model, and the acoustic wave probe optimization model aims to minimize a peak sidelobe ratio, including a directivity function constructed according to the mounting positions of the acoustic wave probes and a peak sidelobe ratio function constructed according to the directivity function. The velocity distribution of medium ahead can be accurately obtained, realizing 3D fine imaging of adverse geology in the tunneling process of the shield machine.

Abstract: An integrated circuit (IC) solder ball mounting apparatus comprises a ball storage unit for storing solder balls, a ball buffer unit configured to receive the solder balls from the ball storage unit in response to one or more pressure-actuated actions, and a gate valve configured to allow the solder balls to transfer to a ball mounting brush configured to place the solder balls onto area array contact structures formed on a wafer containing the integrated circuit.

Abstract: An optical fiber identifier apparatus and system are provided. The apparatus includes a housing forming a pathway at which an optical fiber is positionable. The housing forms a tip end that forms a bend of the optical fiber at the pathway. At least two lenses are positioned parallel to one another. Each lens defines an optical axis extended through the bend of the optical fiber and perpendicular to a longitudinal axis of the respective lens. A photo detector device is positioned to receive a beam of light from the optical fiber via the one or more lenses.

Abstract: The present invention provides a WRN helicase inhibitor as represented by the compound in formula (I) or a pharmaceutically acceptable salt, isotopic variant, tautomer or stereoisomer thereof.

Abstract: Provided is a compound of formula (I) serving as a WRN inhibitor, as well as a compound or a pharmaceutically acceptable salt, isotopic variant, tautomer, or stereoisomer thereof. Further provided are a pharmaceutical composition including said compound and a use thereof in the treatment of a cancer.