Abstract: The present disclosure provides a display substrate and a display device. The display substrate includes a base substrate and a driving circuit arranged on the base substrate. The driving circuit includes multiple denoising transistors and multiple transistors for driving, and the denoising transistors are electrically connected to a pull-up node. A length of a channel of each of at least a part of the denoising transistors is a first length L1, a length of a channel of each of at least a part of the multiple transistors for driving is a second length L2, and the first length L1 is not equal to the second length L2.

Abstract: The present invention relates to a method and device for preparing an ultrathin metal lithium foil. With regard to the problems of lithium preparation processes in the prior art having a high lithium preparation reaction temperature, a low lithium recovery rate, low purity in collected lithium foils, a complicated process operation, etc., the present invention provides a method for preparing an ultrathin metal lithium foil, wherein firstly, a complex lithium salt is prepared, the complex lithium salt and a reducing agent are then subjected to a vacuum thermal reduction reaction so as to generate a metal vapor, the metal vapor is then subjected to vacuum distillation, and finally, vacuum evaporation is used to prepare the ultrathin metal lithium foil of the present invention.

Abstract: A radiographic phantom comprises: a body comprising a wax material or a wax-like material, wherein the body has an x-ray attenuation value that is approximately the same as that of a human tissue; and a plurality of crystalline test objects positioned on or within the body. A method comprises: obtaining a radiographic phantom comprising a body and a plurality of crystalline test objects positioned on or within the body, wherein the body comprises a wax material or a wax-like material, and wherein the body has an x-ray attenuation value that is approximately the same as that of a human breast tissue; performing an operation of the radiographic phantom and using a device; and assessing a performance of the device based on the operation.

Abstract: A first terminal displays a projection interface on a display of the first terminal, where content of the projection interface is a mirror of content of a first interface displayed on a display of a second terminal. The first terminal receives a first operation input, using an input device of the first terminal, to move a first cursor on the display of the first terminal. When the first cursor moves to the content of the projection interface, a cursor style of the first cursor is changed, or a display manner of the content is changed.

Abstract: A memory device is provided, including at least one bit cell, a pair of transistors, and a voltage generation circuit. The voltage generation circuit is coupled to the negative voltage line and is configured to pull down a voltage of at least one of the pair of data lines to a negative voltage level through the negative voltage line. The voltage generation circuit includes a first capacitive unit, a second capacitive unit, and a switch circuit. The first capacitive unit includes a first capacitor. The second capacitive unit includes a second capacitor. The switch circuit is configured to connect the first capacitor, the second capacitor, or the combination thereof to the negative voltage line in response to a first kick signal and a second kick signal that are different from each other.

Abstract: A semiconductor device and methods for manufacturing the same are provided. The semiconductor device includes a substrate, a NFET structure on the substrate, and a PFET structure on the substrate. The NFET structure includes a first source region, a first drain region and a first gate structure between the first source region and the first drain region. The first gate structure includes a first high-k dielectric layer and a first gate layer on the first high-k dielectric layer. The PFET structure includes a second source region, a second drain region and a second gate structure between the second source region and the second drain region. The second gate structure includes a second high-k dielectric layer and a second gate layer on the second high-k dielectric layer. A thickness of the first high-k dielectric layer is larger than a thickness of the second high-k dielectric layer.

Abstract: An an energy storage apparatus is provided. the energy storage apparatus includes: a plurality of single batteries and a bipolar plate, each of the plurality of single batteries including a battery cell, the battery cell including a first electrode and a second electrode with opposite polarities and being insulated from each other; the bipolar plate is arranged between two adjacent single batteries, the first electrode or the second electrode of one of the adjacent single batteries forms an electrical connection with the bipolar plate through contacting, and the second electrode or the first electrode of the other of the adjacent single batteries forms an electrical connection with the bipolar plate through contacting.

Abstract: Embodiments of the present disclosure provide a photodetector, comprising a waveguide structure, a light limiting structure, and an absorption structure. The waveguide structure extends into the light limiting structure, and a first edge where a first side wall of the waveguide structure is located is tangent to a second edge where a second side wall of the light limiting structure is located. The waveguide structure is used for introducing incident light into the light limiting structure in a direction tangent to the first edge. The introduced light is limited in the light limiting structure for annular transmission by means of total reflection of a side wall of the light limiting structure, and the introduced light is coupled into the absorption structure by means of the light limiting structure. The absorption structure is located on the light limiting structure.

Abstract: Provided in the present invention is an anti-CD39 antibody, an antigen-binding fragment thereof, and pharmaceutical use thereof, and also provided are a chimeric antibody and a humanized antibody comprising CDR regions of the antibody, a pharmaceutical composition comprising the anti-CD39 antibody and the antigen-binding fragment thereof, and use of the antibody in preparing a medicament for treating diseases or disorders. The antibody of the present invention can specifically bind to CD39 and shows good effect in inhibiting tumor growth and good safety.

Abstract: A surface flatness detecting device for single crystal square is provide. The device includes a clamping assembly and a detecting assembly. The clamping assembly has a first clamper and a second clamper, the first clamper and the second clamper are configured to clamp a first end and a second end of the single crystal square rod, respectively. The detecting assembly has a first detector and a second detector, the first detector and the second detector are configured to detect a first side and a second side of the single crystal square rod, respectively. After the first side and the second side are detected by the first detector and the second detector, respectively, the first clamper and the second clamper rotate the single crystal square rod by 90 degrees to detect a third side and a fourth side of the single crystal square rod.

Abstract: Disclosed are a nickel-based superalloy formed by selective laser melting and a preparation method thereof. In the method, CrFeNb alloy powder is used as a grain refiner, and its element composition is within the composition range of a nickel-based superalloy powder to ensure that the prepared nickel-based superalloy has the same element composition with the original alloy; the grain size in the nickel-based superalloy could be refined by the addition of CrFeNb alloy powder, such that the anisotropic columnar grain structure in the alloy is transformed to equiaxed grain structure, thereby improving mechanical properties of the alloy.

Abstract: The present disclosure relates to the technical field of glove processing, and in particular to a glove comprising a coating and a preparation method thereof. The glove has an inner surface for contact with skin of a subject's hand, the inner surface being provided with a coating comprising hyaluronic acid or its salt thereof, and glycerin. The glove comprising the coating, provided by the present disclosure, is effective in increasing the skin hydration of a wearer's hand; while the coating has a simple preparation process with raw materials readily available, which is suitable for industrial production.

Abstract: A ranging system includes a pinhole camera, a fisheye camera and a processor. The pinhole camera captures a pinhole image. The fisheye camera captures a fisheye image. The processor performs a undistorting process on the fisheye image to obtain a corresponding undistorted fisheye image, perform a size-converting process on the pinhole image to obtain a corresponding size-converted pinhole image, obtain a transformation relation between a pinhole image plane of the pinhole camera and a fisheye image plane of the fisheye camera, obtain a corresponding point of the corresponding undistorted fisheye image corresponding to a target point of the corresponding size-converted pinhole image based on the transformation relation, and obtain a distance between the ranging system and the physical point based on the transformation relation, the target point and the corresponding point.

Abstract: The present invention provides a device having a trench gate structure and a method of making the same. The device comprises a substrate, a drift region, a well region, a trench gate, a heavily-doped region, and an electrode positioned on the heavily-doped region. The structure of the device is simple to provide good VDMOS and IGBT breakdown voltages, and meanwhile take on-state resistance and reliability of oxide into account.

Abstract: The present disclosure relates to a method and an apparatus, an electronic device and a storage medium for web search. The method includes: acquiring a steady-state visual evoked potential in EEG information, where the steady-state visual evoked potential is generated when a user gazes at a key on a query inputting keyboard in a visual spelling page; sending the steady-state visual evoked potential to a server, such that the server, based on the steady-state visual evoked potential, determines a character string inputted by the user, and a landing page corresponding to the character string; and in response to receiving the landing page sent by the server, displaying the landing page.

Abstract: A speech recognition method. The method includes: performing speech activity detection on speech data to obtain multiple speech segments; determining, for each of the speech segments, a number of speakers involved in the each of the speech segments; for each of at least one of the speech segments with the determined number greater than 1: performing speech separation on the each of at least one of the speech segments to obtain multiple audio segments; performing speech recognition on each of the audio segments to obtain respective first speech recognition results for the audio segments; performing feature extraction on each of the audio segments to obtain respective voiceprint feature vectors; and performing clustering on the audio segments with respect to the speakers to obtain a clustering result; and obtaining a second speech recognition result for the speech data based on the clustering result and the respective first speech recognition results.

Abstract: Disclosed are a display panel and a display method thereof, and a display apparatus. The display panel includes multiple pixel units, a pixel unit includes multiple sub-pixels, a sub-pixel includes a pixel drive circuit, a sense compensation circuit, and an element to be driven, and the display panel further includes a detection unit and a compensator; the pixel drive circuit is configured to drive the element to be driven in active time; the sense compensation circuit is configured to sense electrical characteristics of the element to be driven in blank time; the detection unit is configured to detect whether a currently displayed picture is a still picture, send a first notification to the compensator when the currently displayed picture is a still picture, and send a second notification to the compensator when the currently displayed picture is a non-still picture.

Abstract: Methods for facilitating communication between a user equipment and a host computing system providing an over-the-top service are disclosed. A method comprises sending, to a terminal device, a first uplink (UL) SPS configuration message via a Layer 1 signal to configure or deconfigure a UL SPS grant in a cell among one or more cells configured to the terminal device; and receiving, from the terminal device, a first Media Access Control (MAC) Control Element (CE) for confirmation of the first UL SPS configuration message, wherein the first MAC CE comprises a first indicator to confirm the first UL SPS configuration message, or wherein there is a correspondence between the first UL SPS configuration message and the first MAC CE when there are two or more first UL SPS configuration messages to be sent and two or more first MAC CEs to be received.

Abstract: An ink cartridge includes an ink container and a cartridge shell. The cartridge shell has a printhead and a mounting member which are disposed on the cartridge shell. The ink container is detachably connected to the mounting member. The ink container includes an ink container body and an ink outlet assembly. The ink container body includes an ink storage cavity configured to store ink. An ink inlet of the ink outlet assembly communicates with the ink storage cavity. An ink outlet of the ink outlet assembly communicates with an ink entry of the printhead. The ink container is connected to the cartridge shell with the arrangement of the mounting member and through the connection between the mounting member and the ink container.

Abstract: A method of transmitting Channel State Information (CSI)-Reference Signals (RSs) in a wireless communication system that includes a base station (BS) and a user equipment (UE) includes transmitting, from the BS to the UE, first multiple CSI-RSs in a CSI-RS resource set that consists of CSI-RS resources. The first multiple CSI-RSs are transmitted using the CSI-RS resources, respectively. The CSI-RS resource set is repeated in a time domain or a frequency domain. The transmitting transmits second multiple CSI-RSs in the repeated CSI-RS resource set.