Abstract: An energy storage apparatus is provided. The energy storage apparatus includes: a support structure, which is provided with at least one support layer in a height direction of the support structure; an energy storage device, an air outlet is defined at the top of the energy storage device, and an air inlet is defined on a sidewall of the energy storage device, where the number of the energy storage device is at least two, the energy storage devices are arranged in at least two layers through the support layer, and the support layer between adjacent layers of energy storage devices is hollowed out or configured in a partitioning manner; and an air guide structure mounted on the energy storage device and in communication with an air inlet of the energy storage device.

Abstract: A method for manufacturing a semiconductor device includes: providing a wafer-bonding stack structure having a sidewall layer and an exposed first component layer; forming a photoresist layer on the first component layer; performing an edge trimming process to at least remove the sidewall layer; and removing the photoresist layer. In this way, contaminant particles generated from the blade during the edge trimming process may fall on the photoresist layer but not fall on the first component layer, so as to protect the first component layer from being contaminated.

Abstract: The embodiments described herein are directed to a method for reducing fin oxidation during the formation of fin isolation regions. The method includes providing a semiconductor substrate with an n-doped region and a p-doped region formed on a top portion of the semiconductor substrate; epitaxially growing a first layer on the p-doped region; epitaxially growing a second layer different from the first layer on the n-doped region; epitaxially growing a third layer on top surfaces of the first and second layers, where the third layer is thinner than the first and second layers. The method further includes etching the first, second, and third layers to form fin structures on the semiconductor substrate and forming an isolation region between the fin structures.

Abstract: The disclosure provides an optical waveguide assembly. The optical waveguide assembly includes: optical waveguide plates, where there are a plurality of optical waveguide plates, the plurality of optical waveguide plates are provided in an overlaid manner, each optical waveguide plate is provided with an in-coupling structure, a turning structure, an out-coupling structure and a diffraction inhibition layer, the turning structure and the out-coupling structure on the same optical waveguide plate are located on two side surfaces of the optical waveguide plate respectively, projections of the turning structure and the out-coupling structure on the optical waveguide plate are at least partially overlapped, and the diffraction inhibition layer is located between the out-coupling structure and the optical waveguide plate. Each turning structure includes a plurality of cellular elements. The disclosure solves a problem of non-uniform display efficiency of an optical waveguide assembly in the related art.

Abstract: This application provides a folding assembly and a foldable electronic device. The folding assembly is applied to a foldable electronic device, and is configured to carry a flexible display screen. The folding assembly includes a shaft base, a first housing, and a second housing. The first housing and the second housing are respectively disposed on both sides of the shaft base. A door plate swing arm is located above the shaft base and is disposed on each of both sides of a center line of the shaft base, one end of each door plate swing arm is rotatably connected to the shaft base, and the other end of each door plate swing arm is rotatably connected to the first housing or the second housing.

Abstract: A method for manufacturing a semiconductor structure is provided. The method includes: providing a substrate and a dielectric layer on the substrate; forming a hole in the dielectric layer; forming an initial barrier material layer and a conductive layer on an upper surface of the dielectric layer and in the hole; removing part of the initial barrier material layer and part of the conductive layer to form a barrier material layer and a via element in the hole respectively and expose the upper surface of the dielectric layer. An upper surface of the barrier material layer is higher than the upper surface of the dielectric layer.

Abstract: This present disclosure provides a core-shell quantum dot, a preparation method thereof, and a light-emitting device containing the same. The core of the core-shell quantum dot is CdSeXS(1-X), and the quantum dot shells include a first shell and a second shell, the first shell being selected from one or more of ZnSe, ZnSeYS(1-Y) and Cd(Z)Zn(1-Z)S, the second shell covering the first shell being one of Cd(Z)Zn(1-Z)S and ZnS, the maximum emission peak of the core-shell quantum dot is less than or equal to 480 nm, 0<X<1, 0<Y<1, 0<Z<1. The CdSeXS(1-X) core has a smaller bandgap and a shallower HOMO energy level, making hole injection easier.

Abstract: A turbocharger air intake silencer with adjustable cavity space structures is provided. The turbocharger air intake silencer comprises a silencer connecting flange and a first resonator device. The first resonator device comprises a first silencer sealing plate, a first annular sound absorption cavity body, a first rotary table, a first rotary steering gear and a first valve. A first sound absorption cavity is enclosed by the first silencer sealing plate, the first annular sound absorption cavity body, the first valve and the first rotary table. A first sound absorption cavity inlet pipe is arranged beside the first sound absorption cavity. The first sound absorption cavity and the first sound absorption cavity inlet pipe form a Helmholtz resonator. The first rotary steering gear is mounted on the silencer connecting flange. The rotary steering gear is connected with a first rotary rack.

Abstract: An electric drive assembly has a first wheel drive assembly and a second wheel drive assembly. The first wheel drive assembly includes a first motor, a first gear reduction mechanism, and a first disengaging mechanism. When the first disengaging mechanism is switched to an engagement position of the first disengaging mechanism, power of the first motor is transmitted to a first wheel through the first gear reduction mechanism. The second wheel drive assembly includes a second motor, a second gear reduction mechanism, and a second disengaging mechanism. When the second disengaging mechanism is switched to an engagement position of the second disengaging mechanism, power of the second motor is transmitted to a second wheel through the second gear reduction mechanism. When the first disengaging mechanism or the second disengaging mechanism is switched to a disengagement position, the power of the motors to the corresponding wheels is interrupted.

Abstract: The present disclosure provides a bit allocation method and apparatus for an audio signal. The bit allocation method for an audio signal includes: obtaining T audio signals in a current frame, where T is a positive integer; determining a first audio signal set based on the T audio signals, where the first audio signal set includes M audio signals, M is a positive integer, T?M; determining M priorities of the M audio signals in the first audio signal set; and performing bit allocation on the M audio signals based on the M priorities of the M audio signals.

Abstract: A turbocharger air intake silencer with adjustable cavity space structures is provided. The turbocharger air intake silencer comprises a silencer connecting flange and a first resonator device. The first resonator device comprises a first silencer sealing plate, a first annular sound absorption cavity body, a first rotary table, a first rotary steering gear and a first valve. A first sound absorption cavity is enclosed by the first silencer sealing plate, the first annular sound absorption cavity body, the first valve and the first rotary table. A first sound absorption cavity inlet pipe is arranged beside the first sound absorption cavity. The first sound absorption cavity and the first sound absorption cavity inlet pipe form a Helmholtz resonator. The first rotary steering gear is mounted on the silencer connecting flange. The rotary steering gear is connected with a first rotary rack.

Abstract: Disclosed are an analog quantity acquisition method and apparatus. An acquisition circuit with a zero flux current transformer is first used to acquire a current signal, where the acquisition circuit with the zero flux current transformer includes the zero flux current transformer, a compensating winding, and a dynamic detection unit, and the compensating winding generates a reverse excitation potential to counteract an excitation current and eliminate impacts of a ratio error and a phase angle error on accuracy. A multi-segment amplification circuit is used to perform segmented amplification on different ranges of the current signal, and full-range current acquisition is achieved by using different amplification circuits. An analog-to-digital converter chip is used to convert an amplified current signal into a digital signal. The acquisition circuit with the zero flux current transformer is used to eliminate the impacts of the ratio error and the phase angle error on the measurement accuracy.

Abstract: A sperm sorting device suitable for selectively isolating a plurality of motile sperms from a semen specimen includes a base whose bottom wall and surrounding wall define a receiving space, and a sorter securely coupled to the base and including a mounting member and a sorting filter. The mounting member has a sleeve located in the receiving space and an injection portion located at the bottom end of the sleeve and having an injection hole. The sorting filter is fixed on the sleeve and, together with the injection portion and the sleeve, defines a sorting chamber with an open top end. The sorting filter, the bottom wall, and the surrounding wall define a specimen chamber for receiving the semen specimen. The injection hole brings the specimen chamber and the sorting chamber into communication vertically, so the semen specimen can be injected through the injection hole into the specimen chamber rapidly.

Abstract: A stereo encoding method and apparatus, and a stereo decoding method and apparatus are disclosed. The stereo encoding method includes: performing downmix processing on a left channel signal of a current frame and a right channel signal of the current frame, to obtain a primary channel signal of the current frame and a secondary channel signal of the current frame; and when determining that a frame structure similarity value falls within a frame structure similarity interval, performing differential encoding on a pitch period of the secondary channel signal by using an estimated pitch period value of the primary channel signal, to obtain a pitch period index value of the secondary channel signal, where the pitch period index value of the secondary channel signal is used to generate a to-be-sent stereo encoded bitstream.

Abstract: The present invention relates to the technical field of medicine and relates to an instant release pharmaceutical preparation of an anticoagulant and a preparation method therefor. The instant release pharmaceutical preparation of an anticoagulant comprises a vicagrel compound or a pharmaceutically acceptable form thereof, the preparation is a tablet or a capsule, the vicagrel or the pharmaceutically acceptable form thereof is provided at a suitable particle size, and the D90 thereof <50 ?m. With regard to the drug-containing particles obtained by the present invention, a pharmaceutical preparation formed therefrom exhibits rapid release characteristics in an in vitro dissolution test and exhibits considerable advantages in pharmacokinetics in vivo, showing a greater degree (AUC) and rate (Cmax) of drug absorption.

Abstract: This disclosure relates to a digital comparator coupled to a pair of pull-up resistors and a pair of pull-down resistors whereby both pairs of resistors are coupled to an output terminal of a low dropout (LDO) regulator. In particular, the digital comparator comprises an edge detector module, a consecutive two-edge detector module and a consecutive three-edge detector module whereby the edge detector module is configured to receive two clock signals as inputs and after being processed by these three modules, to pull-up or pull-down the resistors at the output terminal of the LDO regulator based on the rising and falling edges of the received clock signals.

Abstract: Techniques are described to for performing a slice-aware cell selection or slice-aware random-access techniques. An example wireless communication method includes performing, by a communication device, a cell selection technique using a one set of cell selection related information associated with a slice, where the one set of cell selection related information is from multiple sets of cell selection related information related to a plurality of slices, and where each set of cell selection related information is associated with one slice from the plurality of slices.

Abstract: A method and device for determining a suction height of a variable speed unit is provided. The method includes: acquiring a reference cavitation coefficient and a reference specific rotation speed parameter corresponding to a target water head section in a preset number of power stations; conducting calculations on the reference cavitation coefficient and the reference specific rotation speed parameter by utilizing a target scheme to obtain a target formula; acquiring a maximum lift, a minimum lift, a speed variation range and a synchronous rotation speed value of a current target variable speed unit and input force values of the target variable speed unit at a plurality of key working condition points; and determining a target suction height of the target variable speed unit.

Abstract: Methods of training a machine learning model and using the trained model to assess ultrasound measurement data are disclosed. In one arrangement, training data comprises a plurality of classified frames of ultrasound measurement data. Each of at least a subset of the classified frames is classified as representing an imaging plane capable of providing information about a respective target anatomical feature. First and second samples of frames are selected. A machine learning model derives prototype feature vectors from the first sample and feature vectors from the second sample. A loss function depending on metrics representing distances between the feature vectors and the prototype feature vectors is optimized to train the machine learning model.

Abstract: A method for obtaining a higher-order ambisonics (HOA) coefficient includes obtaining location information of a virtual speaker on a preset spherical surface, where the preset spherical surface includes M circles of longitude and N circles of latitude, and obtaining, based on the location information and a preset reference trigonometric function table, a trigonometric function value corresponding to the location information, where the reference trigonometric function table includes an elevation trigonometric function table and/or an azimuth trigonometric function table, and obtaining an HOA coefficient for the virtual speaker based on the trigonometric function value corresponding to the location information.