Abstract: A communications method and an electronic device. In the communications method, the electronic device registers in 5G standalone (SA), and when a Wi-Fi status of the electronic device changes, if Wi-Fi is available and a Wi-Fi signal strength is good, a 5G SA mode of the electronic device is disabled, so that the electronic device does not register in a 5G mobile communications network. Then, the electronic device may register in a 4G mobile communications network.

Abstract: A silicon-based composite material includes SiCxAyOz, 0<x<20, 0<y<10 and 0<z<10. A is one or more of B, Al, Mg, Ca, Fe, Co, Ni, Cu, Zn, Ge, Sn and LiC is uniformly dispersed in the particles of the composite material at an atomic scale with no agglomerations of carbon atoms larger than 20 nm; the carbon atoms are combined with the silicon atom to generate disordered Si—C keys; the elemental silicon, elemental carbon, elemental A and elemental oxygen are uniformly distributed in the particle; the microstructure of the composite material is a multiphase dispersion structure; the average particle size of the composite material is 1 nm-100 ?m, and the specific surface area of the composite material is 0.5 m2/g-40 m2/g; the mass of the carbon atoms accounts for 0.1%-40% of the mass of the composite material; the mass of the A atoms accounts for 3%-40% of the mass of the composite particle.

Abstract: An SGT MOSFET comprising a substrate, an epitaxial layer, a masking dielectric layer, an interlayer dielectric layer, a source lead-out contact hole, and a source conductive layer and a method for manufacturing the SGT MOSFET are provided. The epitaxial layer is on an upper surface of the substrate and comprises a cellular trench structure, a terminal lead-out structure, a source lead-out structure, a body region, and a source region. The source lead-out structure comprises a source lead-out conductive layer. The masking dielectric layer and the interlayer dielectric layer are sequentially stacked above the epitaxial layer. The source lead-out contact hole penetrates the interlayer dielectric layer and the masking dielectric layer and extends into the source lead-out conductive layer, The source conductive layer fills the source lead-out contact hole. The masking dielectric layer is formed between the interlayer dielectric layer and the epitaxial layer and masks the third dielectric layer.

Abstract: The present disclosure provides a synchronization circuit, including M group synchronization signal generating circuits and a node synchronization signal generating circuit. For the synchronization circuit provided in the embodiments of the present disclosure, synchronization indication signals can be separately generated by a plurality of group synchronization signal generating circuits, so as to drive a node synchronization signal generating circuit to generate synchronization signals, thereby efficiently implementing synchronization control over a plurality of nodes in a multi-node environment.

Abstract: A display apparatus and an electronic device are provided. The display apparatus includes a display panel, a protection housing, an ignition assembly, and a protection assembly. The display panel is arranged in the protection housing, and the protection housing includes a cooperating chamber, the protection assembly includes a compressible airbag and an ignition material, the cooperating chamber includes a gas chamber and a storage space, the gas chamber is communicated with the storage space, the storage space is configured to accommodate the ignition material, and the compressible airbag seals an opening of the gas chamber. The ignition assembly is connected to the protection housing, the ignition assembly includes an ignition leading-wire and an ignition leading-ball, one end of the ignition leading-wire is connected to the storage space, and the ignition leading-ball is configured to contact with the other end of the ignition leading-wire.

Abstract: A data transmission circuit and method, a core, a chip with a multi-core structure, an electronic device and a storage medium are provided. The data transmission circuit includes a receiver, a controller, a lookup table circuit and a selector. The receiver is configured to receive an original data packet from Fabric; the controller is configured to determine whether the original data packet needs to be relayed according to an original control bit, and control a first input terminal of the selector to be enabled in response to that the original data packet needs to be relayed; the selector is configured to send a new data packet to the Fabric via the first input terminal, wherein the new data packet includes the original data and a new header acquired by the lookup table circuit according to an original index. In this way, power consumption of the data transmission circuit is reduced.

Abstract: The disclosure relates to a composite material for a secondary lithium-ion battery, and a preparation method therefor and the use thereof. The composite material for a secondary lithium-ion battery is such that: the interior thereof is a spherical porous hard carbon material having hollow holes, and a product resulting from the decomposition and deposition of a silicon-containing gas and one or more gaseous compounds containing any element of C, N, B and P are deposited in the pores, wherein the product comprises silicon nanoparticles, and the porous hard carbon material is obtained by means of curing a hard carbon matrix using a double emulsion method and then carbonizing same.

Abstract: A display module is provided and includes: a backplane, defining a receiving slot; a light source assembly, arranged at a bottom of the receiving slot; an optical substrate, snapped to an upper portion of the accommodation slot, wherein a sealing cavity is defined between the optical substrate and the optical source assembly; a coolant, received in the sealing cavity; and a self-sealing fixation assembly, rotatably arranged on a slot wall of the receiving slot. In a first state, the optical substrate abuts against the self-sealing fixation assembly in a direction towards the bottom of the receiving slot; and, in a second state, the self-sealing fixation assembly is in an interference fit with the optical substrate, the self-sealing fixation assembly and the optical substrate are locked with each other to cooperatively define the sealing cavity.

Abstract: An automatic recognition method for a dry quasi-stationary front in Kunming, Yunnan, China is provided. The automatic recognition method includes: reading data; calculating, by a differential method, a temperature lapse rate between each layer of each point from a ground surface to 650 hPa, and acquiring a maximum inversion trend value; acquiring an initially selected inversion distribution based on the maximum inversion trend value; removing a nighttime clear sky radiation inversion, retaining only a frontal inversion, and binarizing (0, 1); finding a boundary between inversion and non-inversion; removing the abnormal candidate frontal points, and acquiring frontal nodes; removing meso- and micro-scale systems; and performing one-dimensional Gaussian filtering on longitude data of the frontal nodes, and connecting the filtered frontal nodes to acquire a quasi-stationary front in Kunming, Yunnan, China.

Abstract: Provided is a method for shale gas production prediction, including: acquiring real shale gas production data, and determining a target production decline curve model according to the real shale gas production data; setting a time step for production prediction, and obtaining a linear production decline curve by performing production prediction by using the target production decline curve model based on the time step; determining target shale gas production residuals according to the linear production decline curve and the real shale gas production data, inputting the target shale gas production residuals to a long short-term memory, and obtaining a residual prediction result by performing production prediction according to the long short-term memory and the time step; and determining a target production prediction result of shale gas well to be subjected to production prediction based on the linear production decline curve and the residual prediction result.

Abstract: A terminal scheduling method and apparatus, a base station, and a medium are disclosed. In an example method, when a physical downlink control channel (PDCCH) allocated for downlink control information (DCI0) used to schedule a terminal device is located in common search space, and enable uplink 256QAM is configured for the terminal device, the base station determines that a modulation and coding scheme (MCS) index value in the DCI0 is 0. The base station sends the DCI0 to the terminal device through the PDCCH.

Abstract: A negative electrode material comprises silicon monoxide and carbon atoms, wherein the carbon atoms are uniformly distributed in silicon monoxide at an atomic level; a carbon atom is bonded to a silicon atom to form an amorphous Si—C bond, and an X-ray diffraction energy spectrum has no SiC crystallization peak; in solid-state nuclear magnetic resonance detection of the uniformly modified negative electrode material, there is a resonance peak between ?10 ppm and ?20 ppm; the average particle size of negative electrode material particles is 1 nm-100 ?m, and the specific surface area is 0.5 m2/g-40 m2/g; the mass of the carbon atoms accounts for 0.1%-40% of the mass of silicon monoxide. The material has small volume expansion in a lithium dis-embedding process, the conductivity coefficient for lithium ions is high, and the cycle performance and rate performance of the material are improved.

Abstract: The present invention discloses a pipeline defect detecting and positioning method based on multi-sensor information fusion, which belongs to the technical field of pipeline non-destructive testing. The method comprises the following steps of performing state segmentation processing on a pipeline according to a pipeline defect detection signal and/or a three-axis attitude signal of a pipeline detection equipment in the pipeline, positioning a pipeline defect signal in the pipeline defect detection signal to a pipeline section in a corresponding state, and calculating a position of the pipeline defect signal in pipeline section in each state according to a running speed, the three-axis attitude signal, and mileage information of the pipeline detection equipment in the pipeline section in the corresponding state. According to the invention, the pipeline is segmented so that the pipeline defect can be preliminarily positioned in the pipeline section in a certain state.

Abstract: Provided are a display module and an electronic device. The display module includes a display panel and a backlight module stacked with the display panel. The backlight module includes a light-emitting member, a light-guide member, and a back plate. The light-emitting member is configured to emit visible light. The light-guide member is disposed adjacent to the light-emitting member and configured to guide the visible light to the display panel. The back plate is configured to accommodate the light-emitting member and the light-guide member and defines a through-hole. The display module further includes a disinfection assembly. The disinfection assembly is at least partially accommodated in the through-hole or disposed at one side of the back plate away from the display panel, the disinfection assembly is configured to emit UV rays, the UV rays irradiate the display panel via the through-hole, and the disinfection assembly is detachably connected to the back plate.

Abstract: An equalization training method and apparatus are described. The method includes obtaining a training rate of each of a master chip and a slave chip in a target phase of equalization training. The method also includes determining a target rate threshold interval within which the training rate in the target phase falls, determining, based on a correspondence between N+1 rate threshold intervals and N+1 equalization timeout periods, a target equalization timeout period corresponding to the target rate threshold interval, and configuring the target equalization timeout period as an equalization timeout period in the target phase.

Abstract: An anti-peeping structure including: a housing, a plurality of anti-peeping units, and a drive structure; the housing is a transparent structure provided with a cavity; the plurality of anti-peeping units are arranged in the cavity of the housing at intervals; each of the plurality of anti-peeping units is provided with a first side and a second side opposite to the first side, the anti-peeping unit is in an anti-peeping mode when the first side is configured to face a light source, or the anti-peeping unit is in an anti-peeping invalidation mode when the second side is configured to face the light source; the drive structure is configured to drive the plurality of anti-peeping units to rotate in the cavity so as to enable the plurality of anti-peeping units to switch between the anti-peeping mode and the anti-peeping invalidation mode.

Abstract: The present disclosure provides a visual analysis system based on a discipline assessment report, and relates to the technical field of discipline assessment. The visual analysis system based on a discipline assessment report includes a data acquisition unit. An output end of the data acquisition unit is electrically connected to an input end of a data preprocessing unit, and an output end of the data preprocessing unit is electrically connected to an input end of a central processing unit. According to the visual analysis system based on a discipline assessment report, development and changes of the discipline in a project corresponding to the indicator are accurately determined, and a clear plan and development goal are made for overall development of the discipline. Therefore, the overall discipline assessment and a follow-up development process are more clear and distinct.

Abstract: A pre-lithiated film and a preparation method therefor and an application thereof. The pre-lithiated film comprises: a 1 ?m-50 ?m base film and a 0.02 ?m-100 ?m pre-lithiated coating coated on the base film; the pre-lithiated coating includes: 1 wt %-99.99 wt % of a pre-lithiated material, 0 wt %-98.99 wt % of a coating material, 0.01 wt %-10 wt % of a binder, 0 wt %-10 wt % of a conductive additive material, 0 wt %-2 wt % of a dispersing agent and 0 wt %-2 wt % of an aid. The pre-lithiated material is a material that can produce an electrochemical reaction to release lithium ions under voltage control.

Abstract: The invention discloses an NDT device for pipeline, belonging to the field of NDT, including a mobile carrier, which moves with fluid in pipeline or is moved by an actuator; a probe testing assembly, which includes a testing component installed on the mobile carrier and having a testing element in which testing probe is encapsulated; a data processing unit, a first signal conditioning unit and a second signal conditioning unit, wherein the testing probe includes an excitation coil, a receiving coil and a passive resonance coil between the excitation coil and the receiving coil. For the invention, no more magnetizing treatment device is needed for testing, so that the system volume is greatly reduced, thereby reducing the requirement of the testing system of the invention on the internal cleanliness of a pipeline, improving flexibility of equipment in the pipeline of the testing system, and greatly reducing the system cost.