Abstract: The present application provides a method for preparing a prelithiated positive electrode current collector, the method comprising the following steps: gasifying a lithium source in an evaporation chamber filled with a protective gas; enabling an aluminum foil layer to pass through the evaporation chamber and depositing the metal lithium on a surface of the aluminum foil layer by means of vapor deposition; and transferring the aluminum foil layer deposited with the metal lithium to an annealing chamber filled with a protective gas and performing high-temperature annealing to form a lithium-aluminum alloy layer on the surface of the aluminum foil layer.

Abstract: A system and method for detecting and resolving mis-transcriptions in a transcript generated by an automatic speech recognition system when transcribing spoken words. The system and method receive a machine language generated transcript of a speech signal by at least one of a first machine learning system and a second machine learning system, and analyze the machine language generated transcript to find a region of low confidence indicative of a mis-transcription and predict an improvement to the region of low confidence indicative of the mis-transcription. The system and method select a replacement word for the mis-transcription based on the predicted improvement to the region of low confidence and replace the mis-transcription by the replacement word to generate a corrected transcript.

Abstract: A display module (10) includes: a display panel (12) and a circuit board (14) coupled to the display panel (12). The display panel (12) includes a driving chip (122) and a display unit (124); and the circuit board (14) includes a first filter element (142), wherein the first filter element (142) is coupled to the driving chip (122) and the display unit (124), and a direct current signal output by the driving chip (122) is filtered by the first filter element (142) and then transmitted to the display unit (124). The present disclosure also provides a display apparatus (100).

Abstract: Disclosed in the disclosure are a method, system and apparatus for processing slice image for 3D printing, and a storage medium. The method includes: acquiring a slice image of a three-dimensional model, and a relationship between a grayscale compensation parameter and a size adjustment value; determining at least one size adjustment value according to the slice image; determining at least one grayscale compensation parameter according to the at least one size adjustment value and the relationship between the grayscale compensation parameter and the size adjustment value; and respectively performing grayscale processing on edge pixels of corresponding contours in the slice image according to the plurality of grayscale compensation parameters, where the processed slice image is used for 3D printing.

Abstract: A glass panel and silicon wafer separation device for photovoltaic module recovery includes a tank body, a supporting plate and at least two floating blocks. The supporting plate is positioned in the tank body. A vertically arranged first cylinder is arranged at a lower end of the tank body. An output end of the first cylinder is fixedly connected to a lower end of the supporting plate. A groove is formed in an upper end of the supporting plate, and the groove is matched with a photovoltaic plate. A heating block is mounted at a lower end of an inner wall of the tank body. The at least two floating blocks are columnar. Lower ends of the at least two floating blocks are fixedly connected to chucks, and the chucks are downwards opened. Fixed pipes are connected between the at least two floating blocks.

Abstract: Systems, apparatus, articles of manufacture, and methods are disclosed that include interface circuitry, machine readable instructions, and programmable circuitry to at least one of instantiate or execute the machine readable instructions to associate first datapoints of a first feature with a first node, associate second datapoints of a second feature with a second node, construct a graph from the first datapoints and the second datapoints, and perform a comparison of a graph accuracy with a baseline accuracy.

Abstract: An embodiment of the present disclosure provides an earphone, which includes a housing with a cavity, a first speaker housed in the cavity for producing low-frequency sounds, a second speaker, and a sound damping mesh for producing mid to high frequency sounds. The housing includes a sound outlet penetrating therethrough, and the cavity is connected with the outside through the sound outlet. The second speaker is fixed to the sound damping mesh. The sound damping mesh completely separates the first speaker from the second speaker. The low-frequency sound emitted by the first speaker is to transmitted to the sound outlet through the sound damping mesh. Compared with the related art, the acoustic performance of the earphone of the present disclosure is good.

Abstract: A fan-out semiconductor device includes stacked semiconductor dies having die bond pads arranged in columns exposed at a sidewall of the stacked semiconductor dies. The stacked dies are encapsulated in a photo imageable dielectric (PID) material, which is developed to form through-hole cavities that expose the columns of bond pads of each die at the sidewall. The through-hole cavities are plated or filled with an electrical conductor to form conductive through-holes coupling die bond pads within the columns to each other.

Abstract: Disclosed in the disclosure are a method, system and apparatus for processing slice image for 3D printing, and a storage medium. The method includes: acquiring a slice image of a three-dimensional model, and a relationship between a grayscale compensation parameter and a size adjustment value; determining at least one size adjustment value according to the slice image; determining at least one grayscale compensation parameter according to the at least one size adjustment value and the relationship between the grayscale compensation parameter and the size adjustment value; and respectively performing grayscale processing on edge pixels of corresponding contours in the slice image according to the plurality of grayscale compensation parameters, where the processed slice image is used for 3D printing.

Abstract: This application provides an image processing method and an electronic device. The image processing method includes: acquiring a plurality of frames of original images; adding a reference coordinate image layer to a second field-of-view image; obtaining an image layer set according to a first field-of-view image, the second field-of-view image, and the reference coordinate image layer; processing, by using a deep learning network model, the image layer set to obtain a first enhanced image; and obtaining a second enhanced image according to the first enhanced image. In the method, since the added reference coordinate image layer reflects a mapping relationship between a field of view corresponding to the first field-of-view image and a field of view corresponding to the second field-of-view image, through the addition of the reference coordinate image layer, priori information can be added, so that different adjustments can be made subsequently according to different field-of-view relationships.

Abstract: Provided is a tissue engineered bone graft used in inferior turbinate reconstruction. In particular, provided is a tissue engineered bone graft comprising a bone marrow stromal cell (BMSC) grown on a demineralized bone matrix. The tissue engineered bone graft is used in inferior turbinate reconstruction. The tissue engineering bone graft of the present invention may effectively reconstruct the inferior turbinate, has no immunogenicity, and has high safety.

Abstract: Disclosed is a motor, which includes: a housing; a support plate fixed on the housing; an upper busbar holder holding the upper busbar and defined on the support plate; a lower busbar holder holding the lower busbar; one end of the upper busbar is connected to the lower busbar, and the other end of the upper busbar is connected to an external power supply; one end of the lower busbar is connected to the coil lead wire, and the other end of the lower busbar is connected to the upper busbar, the upper busbar holder has a first through-hole penetrating in the axial direction, the support plate has a second through-hole penetrating in the axial direction; the other end of the lower busbar passes through the first through-hole and the second through-hole, and is connected to one end of the upper busbar.

Abstract: The present invention provides a micro electromechanical system (MEMS), which includes: a base with a cavity, a vibration structure includes a structural layer, a piezoelectric composite layer and a flexible layer; the structural layer includes a structural slab, a structural fixing portion and a plurality of structural springs; the piezoelectric composite layer includes a piezoelectric film, a first electrode layer and a second electrode layer; the stress of the piezoelectric composite layer can be released through the elastic actions of the structural springs. In addition, the rigidity of the overall structure is ensured and will not be too low. Therefore, the sound pressure level of the MEMS piezoelectric loudspeaker is improved, and the THD is reduced to improve the performance of the MEMS piezoelectric loudspeaker.

Abstract: A detection device adapted to verify or determine a welding quality includes a housing, a moving assembly, a mounting bracket, and a rotating assembly. The moving assembly is movably installed on the housing and is adapted to be moved up and down in a vertical direction. The mounting bracket is fixed to the housing. The rotating assembly includes a rotating member rotatably connected to the mounting bracket and movably connected to the moving assembly, and a contact probe fixed to the rotating member. The contact probe is adapted to make sliding contact with a second component welded on a first component and to push the moving assembly to move in the vertical direction through the rotating member.

Abstract: This application discloses a data writing method, device, a storage server and a computer readable storage medium, including: writing, when a write request is received, write data corresponding to the write request to a write buffer; acquiring historical access data of a data block corresponding to to-be-flushed data in the write buffer when a data flushing operation is triggered for the write buffer; determining whether the to-be-flushed data is write-only data based on the historical access data by using a pre-trained classifier; if yes, writing the to-be-flushed data to a hard disk drive; and if no, writing the to-be-flushed data to a cache. The data writing method provided by this application can effectively reduce the traffic of writing dirty data to the cache while reserving more space in the cache for the ordinary data, thereby improving the utilization of the cache space and the read hit rate of the cache.

Abstract: A sound production device includes a substrate having a cavity and a plurality of cantilever diaphragms fixed on the substrate. Each of the plurality of the cantilever diaphragms includes a fixed end fixed on the substrate and a free end extending from the fixed end to a position suspended above the cavity. The free end includes a first surface and a second surface oppositely arranged. The free end and the substrate or other free ends are spaced to form a gap. The sound production device further includes a first dielectric elastomer actuator, a second dielectric elastomer actuator, and a flexible connector. The sound production device of the present disclosures adopts dielectric elastomer actuators on both of the upper and lower sides of the cantilever diaphragms to together act on the cantilever diaphragms, thereby improving the linearity of the sound production device.

Abstract: A display substrate and a display device are provided. The display substrate includes a display region including light emitting units; the light emitting units are arranged into light emitting unit rows, and the light emitting units in one of the light emitting unit rows are arranged along a first direction; the light emitting units include first light emitting units. In at least part of the display region: distances, in the first direction, between a light emitting region of one first light emitting unit and light emitting regions of two of the first light emitting units adjacent to the one first light emitting units are different, and/or distances, in a second direction, between a light emitting region of one first light emitting units and the light emitting regions of two of the first light emitting units adjacent to the one first light emitting units are different.

Abstract: Disclosed is an unmanned aerial vehicle (UAV)-aided over-the-air computing system based on full-duplex relay and a trajectory and power optimization method thereof. The UAV-aided over-the-air computing system adopts the UAV as a full-duplex relay for data fusing and forwarding. The method of the application aims at minimizing an average mean square error of over-the-air computing, and solves an optimization problem under constraints of sensor transmitting power, information transmission rate, UAV trajectory and denoising factor. For an overall joint optimization problem, each optimization variable is determined one by one by an alternative optimization method according to the high coupling of optimization variables.

Abstract: Selectively rewriting URLs is disclosed. An indication is received that a message has arrived at a user message box. A determination is made that the message includes a first link to a first resource. The first link is analyzed to determine whether the first link is classified as a non-rewrite link. In response to determining that the first link is not classified as a non-rewrite link, a first replacement link is generated for the first link.

Abstract: A laser fusion welding device includes a 1.9 ?m laser light source, a control unit and a light spot adjusting device. The control unit is configured to control the laser light source and the light spot adjusting device to adjust a laser power density at an object to be subjected to fusion welding. The 1.9 ?m laser light source has output power of 100-500 W. The control unit includes a time control unit, a power control unit and a light spot control unit. The time control unit is configured to control a turn-on time of the laser light source. The power control unit is configured to control the output power of the laser light source. The light spot control unit is configured to control the light spot adjusting device to adjust a size of a light spot at the object to be subjected to fusion welding.