Abstract: The present disclosure provides a case for an electronic device and a magnetic assembly. The case includes a side wall, a back wall connected with the side wall to define a receiving cavity for receiving the electronic device, and a magnetic assembly, the magnetic assembly includes a support member connected with the side wall or the back wall, and a magnetic alignment member, the support member is capable of moving relative to the side wall or the back wall, so as to support the case, the magnetic alignment member is detachably or fixedly connected with the support member connected with the back wall or the side wall. The case of the present disclosure is convenient to use.

Abstract: An optimization method for a layering scheme of multilayer injection molding, including: solving a heat transfer equation by using a finite difference method to obtain a cooling time for injection of each layer under different layering schemes, and obtaining a relationship model of a cooling time of a single layer and a layering scheme by fitting; and finally, with an objective of minimizing cooling times of all injection layers and a constraint condition of a total thickness of a product, optimizing a particular layering scheme by using a Lagrange multiplier method. Through optimization by the method, an optimized layering scheme can be obtained, allowing for an effectively shortened injection molding cycle, a reduced production cost, and improved product quality.

Abstract: A magnetic core structure is disclosed. The magnetic core structure includes a bottom plate, two magnetic columns, a sidewall and a cover plate. The two magnetic columns are disposed on the bottom plate. The sidewall has a first wall portion, a second wall portion and a third wall portion. The first wall portion and the second wall portion are disposed on two sides of the bottom plate along an axial direction of the two magnetic columns. The third wall portion is disposed between the two magnetic columns, and the third wall portion is connected to the first wall portion and the second wall portion, respectively. The cover plate is disposed on the sidewall and covers the two magnetic columns. Another magnetic core structure is also provided.

Abstract: Provided are methods of treating a disease or condition by administering a circular RNA (circRNA) encoding a therapeutic polypeptide (e.g., an antigenic polypeptide, a functional protein, a receptor protein, or a targeting protein (e.g., antibody)), wherein the circRNA is naked; and pharmaceutical composition(s) comprising the circRNA(s) as disclosed herein.

Abstract: In examples, a power device comprises a first wide bandgap semiconductor die including a high-side transistor; a second wide bandgap semiconductor die including a low-side transistor; and a conductive device coupled to the first and second wide bandgap semiconductor dies. The conductive device comprises a first layer including a first metal member having fingers at first and second ends of the first metal member, a second metal member having fingers interleaved with fingers of the first metal member at the first end, and a third metal member having fingers interleaved with fingers of the first metal member at the second end. The conductive device also comprises multiple layers in vertical alignment with the first layer, the first, second, and third metal members extending through the multiple layers. The conductive device also comprises a dielectric material covering the first layer and the multiple layers.

Abstract: Methods of forming devices comprise forming a dielectric layer on a substrate, the dielectric layer comprising at least one feature defining a gap including sidewalls and a bottom. A self-assembled monolayer (SAM) is formed on the bottom of the gap, and a barrier layer is formed on the SAM before selectively depositing a metal liner on the barrier layer. The SAM is removed after selectively depositing the metal liner on the barrier layer.

Abstract: A display panel is provided. The display panel includes a thin film transistor array layer, a light-emitting device layer, and a light shielding layer disposed on a substrate in sequence. The light shielding layer is provided with openings corresponding to positions of light-emitting areas of the light-emitting device layer, an organic protective layer is disposed on the light shielding layer, and the openings of the light shielding layer are filled with the organic protective layer having a transparent material. The present disclosure, by removing conventional red, green, and blue color resists which cover the light-emitting areas of the display panel, solves a problem of reduced yield of a color filter functional layer in a plurality of wet etching processes.

Abstract: The present disclosure provides a display screen based on LED display panels. The display screen includes a plurality of the LED display panels, at least one installation columns, a plurality of longitudinal reference parts, a plurality of assembling and installation assemblies, and a plurality of power control boxes; several LED display panels arranged in longitudinal direction consist of one group; each group of LED display panels has been longitudinally assembled through longitudinal reference parts arranged close to two sides, of backs of a plurality of LED display panels; two transverse adjacent groups of LED display panels are arranged at two sides of one installation column which is vertically located; The transverse reference part of each assembling and installation assembly and the two adjacent longitudinal reference parts are clasped on back to back sides of the installation columns. The display screen has the advantages of being thin, flexible to use.

Abstract: The present disclosure provides a hetero-integrated terahertz low-noise miniaturized image frequency rejection transceiver front-end, including an intermediate frequency circuit and a terahertz circuit arranged up and down, where the terahertz circuit includes a local oscillator frequency tripler, a 135° 3 dB filter coupler, a radio frequency waveguide power divider, and two quartz hetero-integrated subharmonic mixers; resonant cavities of an input unit, a first output unit, an isolation unit, and a second output unit of the 135° 3 dB filter coupler are sequentially coupled through resonant grooves to form a ring structure, a cavity length of the resonant cavity of the input unit is twice that of the resonant cavities of the other three units, and an electrical length of a waveguide of the first output unit is 45° different from that of a waveguide of the second output unit.

Abstract: A solar cell, a method for preparing the same and an electrical device are provided. The method for preparing the solar cell includes following steps: providing a substrate, which includes a first surface and a second surface opposite to the first surface; forming a protective material layer on the first surface, and removing part of the protective material layer on a preset first doped region to prepare a protective layer; performing a first doping process in the preset first doped region on the substrate to prepare a substrate including a first doped region. A width of the first doped region is in a range of 10 ?m to 35 ?m.

Abstract: Disclosed are a visualization grouting device for coal and rock fissures and a test method, a test device including a visualization fissure grouting box body, a box body bracket, a grouting device and a monitoring device. A bottom plate is divided into four identical areas, rubber cushion blocks with different specifications are arranged to simulate different fissure widths and tortuosity, artificial protolith thin film is pasted inside, and a grouting hole and a plurality of pressure measuring holes are arranged in the center of the upper top plate. In the present disclosure, the grouting process of fissures under different grouting conditions, such as different fissure widths, roughness, grouting resistance and tortuosity of pore channels can be simulated, the grouting under different fissure conditions can be simultaneously simulated, and the differences of different grouting diffusion forms can be clearly and intuitively analyzed and compared through the visualization box body.

Abstract: A forecasting system is designed to train and utilize dynamic models for forecasting metrics associated with content provision. For example, a forecasting system may identify characteristics of received training data relating to a particular title. The characteristics may be used to select one of a plurality of available forecasting models to train.

Abstract: In several aspects for detecting a computing system resource schedule, a computing device performs a pre-analysis process utilizing a collected log from multiple sources. The pre-analysis process including a data formatter that identifies data based on a metric, and a dimensionality reduction process that distributes the data into an n-dimensional space. Key patterns are extracted to separate a normal status and an abnormal status for the extracted key patterns. A post-analysis process is performed on the extracted key patterns utilizing a threshold formatter to identify a threshold for a health check.

Abstract: A data processing method includes determining a target processing order for processing a plurality of data blocks in data, based on maximum storage capacity of a buffer. The data is divided into the plurality of data blocks for separate processing, and adjacent data blocks in the plurality of data blocks have overlapping data. The method also includes sequentially processing the plurality of data blocks using a neural network based on the target processing order. At least a part of a processing result of a later-processed data block of the plurality of data blocks is a multiplexing of a processing result corresponding to the overlapping data between the later-processed data block and one or more earlier-processed data blocks of the plurality of data blocks, adjacent to the later-processed data block.

Abstract: The present invention relates to the technical field of power electronics converters and discloses a grid-forming energy storage converter on/off-grid switching control method and system, where the method includes the following steps: S1: using a single-loop power control strategy in an off-grid state when an on-grid relay of target energy storage drops out; S2: using a parallel virtual impedance loop-based power control strategy in a transient on-grid state when the on-grid relay of target energy storage pulls in; and S3: using a cascaded dual-loop power control strategy with a virtual admittance voltage loop and an inner current loop when a stable on-grid state is established. The present invention solves the problems of large current impact and unstable switching process state in the existing working strategy for on/off-grid switching in the prior art.

Abstract: A power supply processing device includes three electric control valve groups, a positive output terminal and a conversion control switch group. The conversion control switch group includes a selection switch group configured to selectively connect the current valve control components in each electric control valve group to the positive output terminal or the phase output terminal, and a connection switch group configured to connect or disconnect a current path between two electric control valve groups connected one another. In such a way, both AC experiments and DC experiments of high voltage and large capacity may be performed to the connectors without changing experimental site and experimental equipment, thereby effectively reducing the experimental cost.

Abstract: Method for acquiring seismic data is described. The method includes obtaining undersampled seismic data acquired from a non-uniform sampling grid. Attenuating multiples from the undersampled seismic data.

Abstract: The present application provides a synthesis method for 1-methyl-1H-indazole-6-carboxylic acid. The synthesis method comprises: using 2-fluoro-4-bromobenzaldehyde and methylhydrazine as raw materials to obtain 6-bromo-1-methylindazole by means of an annulation reaction, and then performing a methyl formate reaction and a hydrolysis reaction, so as to obtain the 1-methyl-1H-indazole-6-carboxylic acid. The synthesis method provided in the present application can directly synthesize a 1-position methyl substituted indazole without isomers, thereby avoiding the problem that impurities are difficult to be removed in subsequent separation, thus improving the purity of a product. The yield of the annulation reaction can reach 85%.

Abstract: The present disclosure provides a rotor structure, an electric motor and a rotor manufacturing method. The rotor structure includes a plurality of rotor sheets (100) and a rotating shaft. The rotor sheets (100) are stacked in sequence along an axial direction of the rotor structure. Each of the rotor sheets (100) is provided with a shaft hole (20), a first slot (111), and first filling slots (121) at both ends of the first slot (111). The first slot (111) extends in a direction of a direct axis (3) of the rotor structure and includes slot sections (1110) at opposite sides of the shaft hole (20). The rotating shaft passes through the shaft hole (20) of the plurality of rotor sheets (100). The first slot (111), the first filling slots (121) and the rotating shaft form a first flux barrier layer (101).