Abstract: The present disclosure relates to the technical field of magnesium metallurgy, and in particular to a device and method for magnesium smelting by vacuum carbothermal reduction of calcined dolomite. The device includes a reaction chamber, a condensation chamber, a first temperature regulation module and an air pressure regulation module, and the reaction chamber is communicated with the condensation chamber via a gas-guide tube. In the present disclosure, different condensation zones are utilized to sequentially condense gaseous products based on dew points, effectively preventing impurities from entering the condensation process of magnesium.

Abstract: A battery system of a vehicle, a charging and discharging method, and a vehicle. The system includes an energy storage apparatus (1) and a direct current (DC) charging and discharging interface (2), where the energy storage apparatus (1) includes a first battery pack (17) and a second battery pack (18), and a first inter-battery switch (11) and a second inter-battery switch (12) are disposed between adjacent battery packs; an incoming line terminal (111) of the first inter-battery switch (11) is connected to a first electrode of the first battery pack (17); a second outgoing line terminal (113) of the second inter-battery switch (12) is connected to a second electrode of the energy storage apparatus (1); and a first electrode of the DC charging and discharging interface (2) is connected to the first electrode of the energy storage apparatus (1).

Abstract: The present invention discloses an antimicrobial agent, an antimicrobial high-performance POM composite material, and preparation methods thereof, wherein the preparation method of the antimicrobial agent comprises: Preparing a Tris-HCl buffer solution by mixing a tris(hydroxymethyl)aminomethane solution with a HCl solution; Adding the Tris-HCl buffer solution and dopamine hydrochloride, magnesium ions, hydroxide ions and solvent into deionized water, and performing a polymerization reaction to obtain Solution A; Placing solution A, hydrogen peroxide, solvent and deionized water into a reaction vessel, and performing an oxidation reaction to synthesize and obtain PDA@MgO2 antimicrobial agent. The catechol in polydopamine in the PDA@MgO2 antimicrobial agent in present application provides highly efficient modification sites, which can bond with multiple substances through its metal chelating effect and various chemical reactions.

Abstract: The present invention provides a federated large model adaptive learning system. Based on the combination of multiobjective optimization and incremental learning, multiple optimization indexes are constructed, and adaptive mini model incremental learning is designed. A gradient scaling method of mini models is proposed for data privacy protection under federated learning, to make full use of gradient information. A correlation between the generalization ability and sampling data is revealed to propose a generalization ability evaluation function. With respect to the real problems of performance degradation and fault faced by industrial equipment during operation, multiple optimization objectives are designed in combination with the generalization ability evaluation function, and the models are updated and repaired adaptively through multiobjective evolutionary learning, to improve the usability of large models in real industrial scenarios.

Abstract: In a display panel, a driver circuit includes multiple cascaded shift register units. In each display frame, each of the reset clock signal and the output control signal includes multiple effective pulses; A working mode of the display panel includes a first mode. The first mode includes at least one first display frame. The driver circuit includes a first shift register unit. In the first display frame, each of at least part of the output control signal received by the first shift register unit is a first-type output control signal. In the first shift register unit, a time interval between two adjacent effective pulses of the first-type output control signal is a first time interval, and a time interval between two adjacent effective pulses of the reset clock signal is a second time interval. The first time interval overlaps with and is greater than the second time interval.

Abstract: The present application relates to a lithium ion battery and a power consuming device, the lithium ion battery comprising a positive electrode, a negative electrode and an electrolyte solution, wherein the electrolyte solution has a viscosity c of 1-6 mPa·s at 25° C., as measured in accordance with GB/T10247-2008; and the ratio CB of the lithium intercalation capacity of the negative electrode to the delithiation capacity of the positive electrode is 1.05-1.5. The lithium ion battery has high-rate fast charging capability and good cycling performance.

Abstract: Provided is a spinning workshop inspection method, an electronic device and a storage medium, relating to technical fields of computers. The spinning workshop inspection method includes: acquiring first image information of an inspection passage when an inspection robot inspects a first position corresponding to the first spinning box in the inspection passage; determining a second spinning box from spinning boxes when the first image information includes a first detection object; acquiring second image information of the inspection passage when the inspection robot inspects a second position corresponding to the second spinning box in the inspection passage; and determining state information of the first detection object based on the first and second image information.

Abstract: An integrated circuit (IC) solder ball mounting apparatus comprises a ball storage unit for storing solder balls, a ball buffer unit configured to receive the solder balls from the ball storage unit in response to one or more pressure-actuated actions, and a gate valve configured to allow the solder balls to transfer to a ball mounting brush configured to place the solder balls onto area array contact structures formed on a wafer containing the integrated circuit.

Abstract: The present disclosure provides a radio frequency filter, including: a substrate; a supporting electrode protruded on a front surface of the substrate; and a thin film structure formed on the substrate and spaced with the substrate by the supporting electrode. An end surface of a top end of the supporting electrode is in sealing contact with a front surface of the thin film structure.

Abstract: The invention provides systems and methods for a function-based computing power allocation system (FCPAS), which is a component of an Intelligent Road Infrastructure System (IRIS). The FCPAS incorporates advanced computing capabilities that effectively allocate computational power for prediction, planning, and decision making functions. Specifically, through the FCPAS, an AV can acquire additional computational resources for vehicle prediction, planning, and decision-making functions, thereby enabling safe and efficient autonomous driving. Additionally, tailored to different traffic scenarios, the FCPAS can allocate data and computational resources (including but not limited to CPU and GPU) for vehicle automation.

Abstract: The disclosure provides a power battery top cover, a battery and an electrical device. The power battery top cover includes: a top cover plate, and a first electrode terminal assembly and a second electrode terminal assembly are mounted on the top cover plate; the first electrode terminal assembly includes an electrode member and a connecting piece, wherein the electrode member is formed by protruding upward from the top cover plate; and the connecting piece includes a body portion and a connecting portion, the connecting portion is provided at an end portion of the body portion, a recess is provided at the bottom of the top cover plate, and at least a part of the connecting portion is embedded in the recess. In the disclosure, the insulation fitting and the air-tightness fitting are omitted, thereby facilitating reduction of the production cost of the top cover.

Abstract: Provided is a method for preparing high-purity indium (In). The method for preparing the high-purity In includes: distilling refined In to obtain an In vapor-containing gas; and condensing the In vapor-containing gas to obtain the high-purity In; where the distilling is conducted at a temperature of 1,000° C. to 1,100° C. under a vacuum degree of 1.0×10?3 Pa to 5.0×10?2 Pa; and the condensing is conducted at a temperature of 700° C. to 900° C. under a vacuum degree of 1.0×10?3 Pa to 5.0×10?2 Pa. The In vapor-containing gas is obtained by controlling the temperature and vacuum degree of the distilling to evaporate In and impurities with a vapor pressure higher than the In. The temperature and vacuum degree of the condensing are adjusted to condense the In in the In vapor-containing gas.

Abstract: The disclosure provides a method for assembling and interconnecting FBAR filter and an electronic device. The method includes constructing an equivalent circuit model of an assembled FBAR filter according to a circuit model of a filter chip and the grounding circuit of the FBAR filter; modeling, simulating and calculating the grounding circuit to extract parasitic parameters corresponding to the grounding pad and a grounding bond-wire of the grounding circuit, respectively; feedbacking the parasitic parameters back into the equivalent circuit model, and using the circuit simulation software to obtain an S parameter of the filter; adjusting the parasitic parameters of the grounding circuit to optimize an S parameter performance of the FBAR filter: obtaining an optimal assembly configuration of the FBAR filter to guide the assembly. The parasitic parameters include a parasitic inductance of the grounding bond-wire and a parasitic capacitance and parasitic inductance of the grounding pad.

Abstract: A three-dimensional reconstruction method, comprising: performing slide calculation on an acquired current image frame to obtain to-be-processed windows; performing point feature extraction and line feature extraction on the to-be-processed windows, and determining corresponding features in each to-be-processed window; performing iterative quadtree splitting for circles on each target to-be-processed window to obtain circular regions of interest corresponding to each target to-be-processed window; performing feature screening on features in the target circular regions of interest to obtain target features corresponding to each target circular region of interest; and performing three-dimensional reconstruction corresponding to the current image frame by using the target features.

Abstract: An optical imaging system (1) is configured for photographing a sample and includes a lighting module (11) and an imaging module (15). The lighting module (11) is configured for outputting excitation light, the excitation light is configured to excite the sample to generate excited light, the imaging module (15) comprises a time delay integration line scan camera (151), the time delay integration line scan camera (151) is configured to record the excited light. A biochemical substance detection system using the optical imaging system (1) is also provided, improving the detection flux.

Abstract: Provided is an application of a polypeptide in the preparation of a product for preventing or treating skin injury diseases. The polypeptide is Pro-Ala-Ala-Glu-Pro-Val-Pro-Leu or a physiologically compatible salt thereof.

Abstract: The present disclosure provides a detecting apparatus, system, and method, and belongs to the technical field of detection. The detecting apparatus includes a beam splitting device, a first dichroic mirror, an objective lens, a fluorescence guiding device, and an imaging system including a plurality of imaging devices.

Abstract: The present disclosure relates to the technical field of display screen, and provides a display module set and a display screen. The display module set comprises a cabinet frame and a plurality of display modules. The cabinet frame comprises a power box and a plurality of sub-frames located on the left and right sides of the power box. The sub-frames on each side are arranged sequentially in a vertical direction. The plurality of the display modules corresponds to a plurality of the sub-frames on a one-to-one basis. A drive circuit and mounting members of the display module are both provided on a left side and/or right side region. A middle region of the display module is uniformly distributed with a hole structure for sound transmission. The display module is mounted on a corresponding sub-frame via the mounting members of the left side and/or right side region.

Abstract: This disclosure provides a method for ping pong roaming control performed by an access point (AP), a method for ping pong roaming control performed by a controller, an AP, a controller, a non-transitory computer readable storage medium and a computer program product for processing/identifying ping pong roaming. The method for ping pong roaming control, performed by an AP includes: determining association switching behaviors of a station (STA) based on association and/or disassociation behaviors of the STA; identifying one or more connection instability events of the STA based on the association switching behaviors of the STA; and reporting at least one of the one or more connection instability events of the STA to a controller for the controller to identify a ping pong roaming event of the STA between multiple APs.

Abstract: Manganese-doped hollow mesoporous silica nanoparticles loaded with curcumin and an application in periodontal bone tissue repair are provided in the present disclosure, belonging to the technical field of targeted delivery of nanoparticles and bone tissue regeneration. In the present disclosure, alendronate is grafted on the surface of silica nanoparticles to achieve bone targeting, manganese is doped on the nanoparticles by a chemical method, and curcumin is wrapped in the nanoparticles.