Abstract: The present disclosure provides a packaging structure and a manufacturing method thereof. The packaging structure includes: a substrate including a first wiring layer; one or more adapter boards located on a first side of the substrate, each adapter board including a respective second wiring layer connected to the first wiring layer, the one or more adapter boards including a first adapter board; and one or more stacks located on the first side of the substrate. Each stack includes one or more chips, and the one or more stacks include a first stack connected to a second wiring layer in the first adapter board. The one or more stacks and the one or more adapter boards are arranged along a direction perpendicular to a thickness direction of the substrate.

Abstract: A relay includes a contact container including a yoke plate and an insulating cover connected with the yoke plate to form a contact chamber; a pair of static contact leading-out terminals passing through a pair of first through holes of the insulating cover; a fixing member within the contact container and fixedly connected with the yoke plate; a movable member within the contact chamber and including a movable contact piece configured to come into contacted with or separated from the pair of static contact leading-out terminals; a moving part movable connected to the fixing member; and a first magnetizer connected with the moving part. The first magnetizer is movable relative to the movable member through the moving part and is configured to adjust a distance between the first magnetizer and the movable member according to a value of a current flowing through the movable contact piece.

Abstract: A method for specifically, rapidly and quantitatively detecting the total viable bacterial count in raw milk, comprises adding a fluorescent probe specific for viable bacteria, a reagent regulating bacterial cell division and a treatment solution to raw milk for a labeling reaction to obtain an initial labeled sample; and detecting particle fluorescent signal in the initial labeled sample using a high-resolution flow cytometer to achieve rapid quantitative detection of the total viable bacterial count; and the total viable bacterial count detected has a good linear correlation with that detected by the traditional plate counting method. The method for rapidly detecting the total viable bacterial count in raw milk can specifically label the viable bacteria in raw milk without being interfered by other biological cells, and the growth activity of the labeled bacteria can be accurately traced to the results of the plate counting method.

Abstract: Disclosed embodiments include a first playback device operating in a first mode where the first playback device plays first audio received from a second playback device via a WLAN in a groupwise fashion. After connecting to a Bluetooth audio source, the first playback device switches from operating in the first mode to operating in a second mode where the first playback device (i) ceases playing the first audio, (ii) generates second playback timing for second audio received from the Bluetooth audio source, (iii) transmits the second audio content and the second playback timing to the second playback device via Bluetooth, and (iv) plays the second audio in a groupwise fashion with the second playback device based on the second playback timing.

Abstract: A well pattern arrangement method for in-situ leaching (ISL) of a low-permeability sandstone-type uranium deposit includes the steps of: performing a geological survey of a target area to delineate a spatial distribution of an ore-bearing layer; arranging horseshoe-shaped horizontal wells based on a horizontal extent of a main ore layer; conducting permeability enhancement by lowering and detonating explosives within the horseshoe-shaped horizontal wells; determining a spacing between the horizontal wells and intervals for explosive placement according to a blast-induced fracturing radius; performing well flushing on the horizontal wells; arranging vertical wells between the horizontal wells, where the horizontal wells are configured for leaching solution injection and the vertical wells are configured for pregnant leach solution (PLS) extraction; and optimizing a spacing between the vertical wells to maximize leaching coverage.

Abstract: Embodiments of this application provide an audio coding method and apparatus, an audio decoding method and apparatus, an electronic device, and a storage medium, applied to an on board scene. The audio decoding method includes obtaining a bitstream of an audio signal; performing label extraction processing on a predicted value of a feature vector of the audio signal associated with the bitstream to obtain a label information vector, a dimension of the label information vector being the same as a dimension of the predicted value of the feature vector; performing signal reconstruction based on the predicted value of the feature vector and the label information vector; and identifying a predicted value of the audio signal obtained by the signal reconstruction as a decoding result of the bitstream.

Abstract: A solution for visual data processing is provided. A method for visual data processing is proposed. The method comprises: performing a conversion between visual data and a bitstream of the visual data with a neural network (NN)-based model, the bitstream comprising a first indication indicating a level to which the bitstream conforms.

Abstract: A solution for visual data processing is provided. A method for visual data processing is proposed. The method comprises: partitioning, for a conversion between visual data and a bitstream of the visual data with a neural network (NN)-based model, a first tensor used in an adaptive filter of the NN-based model into a first set of tiles based on a first tile size, the first tile size being a multiple of a first predetermined value; and performing the conversion based on the first set of tiles.

Abstract: An audio processing method and apparatus, including decomposing an audio signal into a low-frequency subband signal and a high-frequency subband signal, obtaining a low-frequency feature of the low-frequency subband signal, obtaining a high-frequency feature of the high-frequency subband signal, feature dimensionality of the high-frequency feature being lower than feature dimensionality of the low-frequency feature, performing quantization encoding on the low-frequency feature to obtain a low-frequency bitstream of the audio signal, and performing quantization encoding on the high-frequency feature to obtain a high-frequency bitstream of the audio signal.

Abstract: A relay includes a contact container having a contact chamber and a pair of first through holes, a pair of static contact leading-out terminals respectively passing through the pair of first through holes, a moving part, a first magnetizer within the contact chamber and connected with the moving part; and a movable member including a movable contact piece and a second magnetizer. The movable contact piece may contact with or separate from the pair of static contact leading-out terminals. The first and second magnetizers are arranged at opposite sides of the movable contact piece and formed a magnetic circuit. The first magnetizer is movable relative to the movable member through the moving part and is configured to adjust a distance between the first magnetizer and the second magnetizer according to a value of a current flowing through the movable contact piece.

Abstract: A relay includes a contact container having a contact chamber and a pair of first through holes in communication with the contact chamber, a pair of static contact leading-out terminals passing through the pair of first through holes, respectively, a moving part movable relative to the contact container, a first magnetizer within the contact chamber and connected with the moving part; and a movable member within the contact chamber and including a movable contact piece. The first magnetizer is arranged at one side of the movable contact piece facing the static contact leading-out terminals. The first magnetizer is movable relative to the movable contact piece through the moving part and is configured to adjust a distance between the first magnetizer and the movable member according to a value of a current flowing through the movable contact piece.

Abstract: A deep-sea platform energy self-supply device and a control method therefor are disclosed. The device includes a working platform of a deep-sea platform, buoys mounted at a bottom of the working platform, wave energy piezoelectric assemblies disposed at the bottom of the working platform, and ocean current energy piezoelectric assemblies disposed at bottoms of the buoys. The present disclosure directly converts kinetic energy of fluid in the ocean into electric energy by using a wave energy piezoelectric plate and an ocean current energy piezoelectric plate, thereby supplying power to the deep-sea platform and achieving energy self-supply for the deep-sea platform. The device also dissipates kinetic energy of the fluid, such that the amplitude of waves decreases as the kinetic energy of the fluid decreases, thereby achieving a wave-dissipating effect, enhancing operational stability of the working platform, and extending the service life of the working platform.

Abstract: Provided is a method for synthesizing lactic acid monomers using sucrose as raw material. Through site-directed gene replacement genetic recombination technology, the method modifies the promoter sequence of the sucrose metabolism operon in the production strain, enabling it to maintain high-level expression throughout the entire production process of lactic acid monomers. The strain exhibits significant ability to efficiently catabolize sucrose for synthesizing lactic acid monomers (D-lactic acid or L-lactic acid) with high optical purity and high chemical purity. Fermentation levels of D-lactic acid and L-lactic acid for strains DSAPW5 and LSAPW5 at 25~50° C. for 28~30 hours can reach 158.58 g/L and 159.65 g/L, respectively, with optical purities of 99.94% and 99.95%. The present disclosure can be applied to the industrial production of lactic acid monomers using sucrose or sucrose-containing raw materials.

Abstract: A relay includes a contact container having a contact chamber and a pair of first through holes; a pair of static contact leading-out terminals respectively passing through the through holes; a moving part; a first magnetizer within the contact chamber and including a plurality of magnetic conductive sheets stacked with each other, the magnetic conductive sheets are connected with the moving part; and a movable member including a movable contact piece. The first magnetizer is arranged at one side of the movable contact piece facing the static contact leading-out terminals. The first magnetizer can be movable relative to the movable member through the moving part and is configured to adjust a distance between the first magnetizer and the movable member according to a value of a current flowing through the movable contact piece.

Abstract: A method for visual data processing comprises: performing a conversion between visual data and a bitstream of the visual data with a neural network (NN)-based model, a synthesis transform in the NN-based model comprising at least one upscaling layer, and each of the at least one upscaling layer being used for increasing a data dimension of respective input of the at least one upscaling layer.

Abstract: A solution for visual data processing is provided. A method for visual data processing is proposed. The method comprises: performing a conversion between visual data and a bitstream of the visual data with a neural network (NN)-based model, a pooling layer in the NN-based model being configured to be applied with a padding operation that is used for padding at least one sample for an input tensor of the pooling layer.

Abstract: An audio processing method includes: filtering an audio signal to obtain a low-frequency signal and a high-frequency signal; encoding the low-frequency signal to obtain a bitstream of the low-frequency signal; performing frequency domain transform on the low-frequency signal and the high-frequency signal respectively, to obtain a low-frequency spectrum and a high-frequency spectrum; performing spectral envelope extraction on the low-frequency spectrum and the high-frequency spectrum to obtain spectral envelope information, and performing spectral flatness extraction on the high-frequency spectrum to obtain spectral flatness information; and performing quantization encoding on the spectral flatness information and the spectral envelope information to obtain a bandwidth extension bitstream, and combining the bandwidth extension bitstream and the bitstream of low-frequency signal into an encoded bitstream.

Abstract: A machine learning model is trained to detect candidate locations of instances of entity types within a document. The model comprises region-based convolutional neural networks with classifier layers corresponding to the entity types. A trained version of the model is stored. In response to a programmatic request, an indication of contents of a target document is provided using at least the trained version of the model.

Abstract: A turn table includes a tray with heart-shaped and straight sliding rails and a base with first and second rods, wherein the first rod is slidably matched with the heart-shaped sliding rail, and the second rod is slidably matched with the straight sliding rail. When the tray is at an initial position, symmetrical lines of the bottom of the tray and the heart-shaped sliding rail are collinear, and the straight sliding rail extends along the symmetrical line of the heart-shaped sliding rail. When the tray switches from the initial position to a picking position, the first rod slides along the heart-shaped sliding rail and the second rod slides along the straight sliding rail, making the tray rotate circumferentially relative to the base with an outer circumferential surface thereof being prevented from interfering with an inner wall of a chamber for placing the turntable and thus accommodating the tray therein.