Abstract: The present application discloses a blade and an axial-flow impeller using the same. The present application provides a blade, comprising a blade tip, a blade root, a leading edge and a trailing edge, wherein the leading edge and the trailing edge extend from the blade tip to the blade root, respectively. The blade is capable of rotating about a rotation axis X which is perpendicular to a normal plane. In a projection of the blade on the normal plane, a circumferential included angle between the leading edge and the trailing edge forms a wrap angle, and the wrap angle decreases gradually from the blade root to a middle blade height of the blade and increases gradually from the middle blade height to the blade tip. Wherein, the middle blade height is an arc line formed by center points of the blade tip and the blade root along a radial direction.

Abstract: A high-strength steel composite galvanized sheet resistant to LME cracking during spot welding, and a preparation method therefor, wherein 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. The sensitivity of the high-strength steel composite galvanized sheet to LME during spot welding is reduced, LME cracking during spot welding is effectively avoided, the resistance spot-welding performance of the high-strength steel body is improved, and the mechanical properties of a spot-welded joint are obviously improved.

Abstract: A method for forming a zinc-plated steel plate or steel belt having good corrosion resistance, comprising the following steps: 1) conveying the steel plate or steel belt into a heating furnace higher than Ac3, austenitizing the steel plate or steel belt, and keeping the temperature for 1-7 minutes; 2) before the steel plate or steel belt leaves the heating furnace and enters a forming mold, applying different cooling manners according to different plated thicknesses, wherein when the single-sided weight of the plating is less than or equal to 50 g/m2, only air cooling is required before transferring to the forming mold, when the single-sided weight of the plating is greater than 50 g/m2, aerial fog or water mist precooling is performed before transferring to the forming mold, and the steel plate is cooled to be below 700° C. at a cooling sped greater than 30° C.

Abstract: Embodiments of the present disclosure provide a radiotherapy system, comprising a first imaging component, a second imaging component, and a treatment component. The first imaging component and second imaging component may be used to determine a target region of an object and/or to guide an emission of treatment rays. The treatment component may be used to emit the treatment rays toward the target region. An isocenter of the treatment component may coincide with an isocenter of the second imaging component.

Abstract: A display panel and a display device are provided. The display panel includes a base substrate and a pixel driving circuit provided on a side of the base substrate, and the pixel driving circuit includes a driving transistor, ninth transistor, eighth transistor, first transistor and second transistor. A first electrode of the ninth transistor is connected to a third initial signal line and a second electrode of the ninth transistor is connected to a first electrode of the driving transistor. A first electrode of the eighth transistor is connected to a gate electrode of the driving transistor. A first electrode of the first transistor is connected to a first initial signal line and a second electrode of the first transistor is connected to a second electrode of the eighth transistor. A first electrode of the second transistor is connected to the second electrode of the eighth transistor and a second electrode of the second transistor is connected to a second electrode of the driving transistor.

Abstract: The invention relates to a method of operating an electrochemical stack (1), in particular an electrolysis stack, comprising a plurality of electrochemical cells (2), in particular electrolysis cells, comprising the steps—supplying the cells (2) with a fluid via inlet channels (3) that extend in stacking direction through the stack (1) and are provided on opposite sides (S1, S2) of the stack (1) and discharging the fluid via outlet channels (4) that extend in stacking direction through the stack (1) and are provided opposite the inlet channels (3), such that the fluid flows through each cell (2) in two substantially opposite directions (D1, D2). The invention further relates to an electrochemical cell (2) and an electrochemical stack (1).

Abstract: The present application discloses a method, apparatus and system of data processing for a distributed cluster, and a non-volatile readable storage medium, applied in the technical field of artificial intelligence. In order to solve the problem of the poor current resource utilization ratio, a distributed cluster is provided that includes a plurality of accelerator-node groups that have accelerator nodes of multiple types, and each of the accelerator nodes is deployed with one network-layer sub-group of a neural network model.

Abstract: Provided in the present application are a decoding method and apparatus, a coding method and apparatus, and devices. The decoding method comprises: decoding a code stream corresponding to the current image block, so as to obtain a coefficient hyper-parameter feature corresponding to the current image block; determining a probability distribution parameter on the basis of the coefficient hyper-parameter feature; on the basis of the probability distribution parameter, decoding a code stream corresponding to the current image block, so as to obtain an initial reconstruction feature corresponding to the current image block; and on the basis of the initial reconstruction feature, determining a target reconstructed image block corresponding to the current image block. By means of the technical solution of the present application, the coding performance and the decoding performance can be improved.

Abstract: A display panel and a display device are provided. The display panel includes a pixel driving circuit on a side of a substrate. The pixel driving circuit includes a drivier transistor; a ninth transistor with a first electrode being connected to a third initial signal line, and a second electrode being connected to a first electrode of the driver transistor; an eighth transistor with a first electrode being connected to a gate of the driver transistor; a first transistor with a first electrode being connected to a first initial signal line, and a second electrode being connected to a second electrode of the eighth transistor; and a second transistor with a first electrode being connected to the second electrode of the eighth transistor, and a second electrode being connected to a second electrode of the driver transistor.

Abstract: A bonding apparatus and a bonding method for a chip. The apparatus includes: a movable pick-up stage, configured to move a first element; a carrier stage, configured to move a second element; a correction component, providing a correction mark; and an image-acquisition device. The image-acquisition device is configured to read an alignment mark of the first element and the correction mark, and determine a first relative positional relationship between the first element and the correction component; and further configured to read an alignment mark of the second element and the correction mark, and determine a second relative positional relationship between the second element and the correction component. The bonding apparatus is configured to determine an alignment offset between the first element and the second element; and perform an alignment compensation operation, enabling the first element and the second element to be aligned and bonded.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, are provided. One example method includes obtaining q control bits corresponding to q switches of a switching network, which can be used to generate a permuted sequence of an input sequence. For a first switch of the q switches, the method includes: receiving a random number selected from a first random number or a second random number is received based on oblivious transfer, receiving a first input and a second input through input lines, and receiving a correction word corresponding to the first switch. In response to determining the first random number is selected as the random number, a first output of the first switch is generated based on the first input and the first random number, and a second output of the first switch is generated based on the second input and the first random number.

Abstract: Summary generation based on comparison objects can include receiving text descriptions of a target object and at least one comparison object. Semantic vectors from the text descriptions can be obtained, using a deep learning based semantic extraction model. The semantic vectors can be input to a generator model trained using an adversarial machine learning technique, the generator model outputting a text summary of the target object describing only unique characteristics of the target object different from characteristics of the at least one comparison object and excluding the characteristics of the at least one comparison object.

Abstract: A semiconductor package includes a first integrated circuit device, wherein the first integrated circuit device comprises a semiconductor substrate and an interconnect structure disposed over a first surface of the semiconductor substrate, wherein the semiconductor substrate comprises pillars protruding from a second surface of the semiconductor substrate. The package also includes a heat sink disposed over the first integrated circuit device, wherein the heat sink, and the pillars, enclose a space, and a liquid metal disposed in a space between the pillars.

Abstract: A bonding apparatus includes: a movable pick-up stage carrying a first element; a carrier stage carrying a second element; and an image acquisition device for reading an alignment mark of the first element and an alignment mark of the second element. The alignment mark of the first element and the alignment mark of the second element are in one coordinate system. The bonding apparatus determines an alignment offset between the first element and the second element based on coordinate information of the alignment mark of the first element, coordinate information of the alignment mark of the second element, and preset calibration information of the image acquisition device. The bonding apparatus adjusts the movable pick-up stage and/or the carrier stage to perform an alignment compensation operation based on the alignment offset, enabling the first element and the second element to be aligned and bonded to each other.

Abstract: A memory data migration method and apparatus, an electronic device, and a storage medium are provided. The method is applied to a hierarchical memory system which includes a plurality of memory nodes corresponding to different hierarchies. The method includes: determining a target memory page to be migrated to a target memory node; determining an idle page in the target memory node, and migrating the target memory page to the idle page; and when it is detected that the number of remaining idle pages in the target memory node is less than a preset threshold, continuously migrating inactive memory pages in the target memory node to other memory nodes having a hierarchy lower than the target memory node until it is determined that the number of idle pages is not less than the preset threshold.

Abstract: An automatic planning method, device and system for brachytherapy and a storage medium are provided.

Abstract: A bonding apparatus having a system-error compensation function is provided. The device includes: a movable object pick-up stage, configured to move a first element; a carrier stage, configured to move a second element; a first image-acquisition device, configured to read alignment marks of the first element and the second element driven to an alignment position; and a second image-acquisition device, configured to, in response to the bonding apparatus performing a system-error correction operation, read alignment marks of the first element and the second element driven to a bonding position, for obtaining a system-error compensation value. In response to the bonding apparatus performing a bonding operation, the bonding apparatus performs a system-error compensation operation based on the system-error compensation value, so that the first element and the second element driven to the bonding position are aligned.

Abstract: The present application relates to an antibody specifically binding to ROR1, a conjugated drug thereof, and a preparation method therefor and use thereof. The inventor of the present application develops an antibody against ROR1.

Abstract: Disclosed are a pixel circuit and a drive method therefor, and a display apparatus. The pixel circuit includes a drive sub-circuit, a writing sub-circuit, a first reset sub-circuit, and a light emitting element, wherein 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.

Abstract: The disclosure relates to the field of equipment for ice hockey training, and particularly discloses a single puck dribbling plate and a modular puck dribbling plate. A player can select the number and the combination mode of the single puck dribbling plates according to requirements, the training cost of the player is effectively reduced, and meanwhile different training requirements can be better met. The modular puck dribbling plate can be connected with terminal device, and data generated in the training process can be intelligently analyzed through the terminal device, so that the training effect of players can be better monitored. In addition, the modular puck dribbling plate has the advantages of being convenient to store and carry and the like.