Abstract: A chip power supply circuit and an electronic device are provided. The chip power supply circuit includes: one or more chips each comprising a first power supply pin and a second power supply pin; a first voltage regulator circuit connected to the first power supply pin of a corresponding chip of the one or more chips; and a second voltage regulator circuit, where the first power supply pin of the corresponding chip of the one or more chips is connected to the second power supply pin of the corresponding chip via the second voltage regulator circuit, and the second voltage regulator circuit is configured to convert the first voltage into a second voltage. The first voltage regulator circuit and the second voltage regulator circuit are respectively located on different sides of at least one of the one or more chips.

Abstract: Nano- and micro-particles (NMP) can be formed from an oil/water emulsion. The emulsion is made by mixing a liquid solvent, at least one surfactant, a particle-forming compound, and at least curing agent. If desired, pH control agents and viscosity enhancers can be added to the liquid solvent. The particle-forming compound and the curing agents are mixed together and form the oil phase in the emulsion and after curing, the particles are formed. The nano- and micro-particles can be used as proppant to enhance the conductivity of nano- and microfractures and fluid-loss-control additive for hydraulic fracturing operations.

Abstract: A display substrate, including: a base substrate including at least a side edge and a display area; a plurality of pixel units disposed in the display area, a second pixel unit is located on a side of a first pixel unit close to the side edge, edges of the second pixel unit include the side edge, a third pixel unit is located between the first pixel unit and the second pixel unit, and the third pixel unit is adjacent to the second pixel unit; and a plurality of light emitting diode chips disposed on the base substrate a first light emitting diode chip is located in the first pixel unit, a part of a second light emitting diode chip is located in the second pixel unit, and the other part of the second light emitting diode chip is located in the third pixel unit.

Abstract: Provided are a chip, a series power supply circuit, a data processing device, and a computer server. The chip includes a plurality of units to be powered, the plurality of units to be powered are connected in parallel, and a voltage domain forms on each unit to be powered. Each unit to be powered is connected to a voltage regulation unit in series, and during power-on of the chip, the voltage regulation unit is regulated to control power-on time of the plurality of units to be powered.

Abstract: The present application relates to the technical field of chimeric antigen receptor T cell immunotherapy (CART), and in particular to a transgenic immune cell, and a construction method therefor and a use thereof. The present application provides a gene containing three coding regions, a recombinant nucleic acid containing the gene, a biological material, and a transgenic immune effector cell, wherein three functional proteins can be coded, and the expression of the three proteins enables an immune effector cell to have multiple functions, thereby reducing the inhibition effect of a solid tumor microenvironment on the immune effector cell, prolonging the time of the killing effect of the immune effector cell, and improving the anti-tumor efficacy of the immune effector cell.

Abstract: The disclosure provides an image processing system, a method, a storage medium and an extended reality display device. The image processing system includes a display pipeline and an image processing pipeline. The display pipeline obtains an eye movement signal of a user and performs a first foveal process according to the eye movement signal. The display pipeline also generates a frame synchronization signal according to the eye movement signal, and transmits the frame synchronization signal to the image processing pipeline, for the image processing pipeline to perform a second foveal process according to the frame synchronization signal. By adopting this configuration, the image processing system can comprehensively improve image quality, power consumption, real-time performance and user experience of image processing by the joint interaction and reuse of the display pipeline and the image processing pipeline, to comprehensively improve the current shortage of computing power in XR high frame rate display.

Abstract: The present invention discloses a micro-sized face-up LED device with a micro-hole array and preparation method thereof. The LED device is prepared based on a GaN-based epitaxial layer and includes a GaN-based epitaxial layer, a current spreading layer, a P electrode, an N electrode and a passivation layer; the GaN-based epitaxial layer including a substrate, an N-type CaN layer, i.e., an N-GaN layer, a multiple quantum well layer (MQW), and a P-type GaN layer, i.e., a P-GaN layer; and the N-GaN layer including an etched exposed N-GaN layer and an etched formed N-GaN layer. The present invention improves luminescence efficiency while ensuring the device modulation bandwidth; and after the micro-hole array is etched by ICP, a sample continues to be etched by using the current spreading layer etching liquid to prevent the leakage caused by the expansion of the current spreading layer in the etching process.

Abstract: The bonding composition comprises 70-85 wt % of thermoplastic polyurethane (TPU) with a melting point of 60-130° C., 6-10 wt % of compounded phosphorus-nitrogen flame retardant, 2-5 wt % of nano rare-earth oxide, 1-3 wt % of antibacterial agent, and 6-12 wt % of tackifier.

Abstract: A rollable ball toy is provided, which includes a rollable ball shell, a driving component, and a support connector; the support connector can be deformed and fastened on two sides of a ball center of the rollable ball shell; the driving component is provided in the rollable ball shell. A driving device has only one driving output end, and the other end is provided with the shaft cavity configured to install manually operated components such as a control button and a charging dock, rendering the structure compact and reasonable, easy to operate, and improving waterproof and dustproof performance, while avoiding accidental contact and damage caused by collisions. The rollable ball has a quick detachable support connector. Most components are detachably connected and can be replaced with other parts, with strong interchangeability, long service life, and cost-effectiveness.

Abstract: The present invention relates to a process for producing succinic anhydride by maleic anhydride hydrogenation, comprising (1) feeding a maleic anhydride solution and a hydrogen raw material respectively to a first-stage hydrogenation reactor from an upper liquid-phase feed port and a top gas-phase feed port of the first-stage hydrogenation reactor for a first-stage hydrogenation reaction to obtain a first-stage hydrogenation product; (2) feeding the first-stage hydrogenation product to a second-stage hydrogenation reactor for a second-stage hydrogenation reaction to obtain a second-stage hydrogenation product, optionally, before entering the second-stage hydrogenation reactor, subjecting the first-stage hydrogenation product to a first-stage gas-liquid separation to obtain a first-stage gas phase and a first-stage liquid phase, and then feeding the first-stage gas phase and the first-stage liquid phase respectively from a top gas-phase feed port and an upper liquid-phase feed port of the second-stage hydrogen

Abstract: The present disclosure provides a display module and a mobile terminal. The display module includes a screen cover plate, a first antenna array, a first flexible circuit board, and a first radio frequency integrated circuit; where the first antenna array is arranged in a first region of the screen cover plate; the first radio frequency integrated circuit is arranged on the first flexible circuit board, and is electrically connected to the first antenna array through the first flexible circuit board.

Abstract: This application provides an antenna having an L-shaped antenna body. The antenna body comprises a first end, a second end, and a feed point, a physical length between the feed point and the first end is greater than a physical length between the feed point and the second end, the antenna body generates resonance of a first wavelength between the feed point and the first end, and the antenna body generates resonance of a second wavelength between the first end and the second end, wherein the first wavelength is greater than the second wavelength. The antenna can have relatively good radiation performance regardless of whether the electronic device is in free space (FS) or in a handheld state.

Abstract: The present disclosure relates to a layered bimetallic hydroxide-based hydrogel bipolar membrane and a method for preparing the same. The method includes: blade-coating a quaternized polyethersulfone solution on a substrate, and carrying out drying to obtain an anion exchange layer; immersing the layer sequentially and cyclically in a sodium alginate solution and a first metal ion mixed solution to obtain a hydrogel anion exchange membrane; immersing the hydrogel membrane sequentially in a second metal ion mixed solution and an alkaline solution; and blade-coating a sulfonated polyethersulfone solution on the obtained membrane, and carrying out drying to obtain the layered bimetallic hydroxide-based hydrogel bipolar membrane. The anion and cation exchange membrane layers on two sides of the bipolar membrane prepared in the present disclosure are closely bound by way of hydrogel cross-linking.

Abstract: Methods, devices, and systems are disclosed for an M2M Interest Function. An M2M Interest Function may receive requests from users to publish the users' personal interests in particular data identify relationships and patterns in the data. Associated data may then be stored in a single best location for such data based on various criteria rather than on separate M2M Gateways or M2M Servers. This location may be provided to users interested in such data. Relationship and association data may be provided to M2M gateways.

Abstract: Embodiments of the present disclosure relate to a method, an apparatus and a computer readable storage medium of user selection for MU-MIMO communications. In example embodiments, a method is provided. The method comprises determining a set of candidate terminal devices; and iteratively performing the following at least once until an end condition is met: generating, based on respective channel estimations for the set of candidate terminal devices, a covariance matrix indicating interdependency among the set of candidate terminal devices; determining a minimum eigenvalue of the covariance matrix and an eigenvector corresponding to the minimum eigenvalue, the eigenvector indicating a set of measurements for interdependency among the set of candidate terminal devices; and updating the set of candidate terminal devices by removing, from the set of candidate terminal devices, a candidate terminal device associated with a maximum measurement in the set of measurements.

Abstract: A device to couple a vascular access device to a medical device may include a body, a spring, and a housing. The body may include a distal end, a proximal end, and a lumen extending through the distal end and the proximal end. The proximal end of the body may include a connector. The housing may be coupled to a proximal end of the spring and may enclose the connector. A distal end of the spring may be coupled to the body. The housing may include a flap, which may include an antimicrobial compound. When the housing is disposed in a proximal position, the flap may cover the connector, the antimicrobial compound may contact the connector, and the spring may be uncompressed. In response to movement of the housing from the proximal position to a distal position, the spring may be compressed and the flap may open.

Abstract: The present invention relates to the field of antennas and introduces a switchable dual-band dual-polarized VICTS antenna system for satellite communication on-the-move. By adopting a layered structure, the present invention comprises a dual-band VICTS antenna subsystem, a dual-band dual-polarized polarization subsystem, an antenna radome, and a mechanical subsystem. The mechanical subsystem interfaces with the dual-band VICTS antenna subsystem and the dual-band dual-polarized polarization subsystem via motors and belts, enabling seamless integration and control. Further, the antenna system incorporates air gaps within the layer structure, with a supporting structure connecting to the mechanical subsystem through an adapter mechanism. By arranging the switchable dual-band dual-polarized VICTS antenna system in a layered manner, the present invention enhances both gain and bandwidth while enabling precise control over its operation.

Abstract: An easily assembled and disassembled lampshade includes a cover body, a bulb holder and a fixing seat. The bulb holder and the fixing seat are in threaded connection. The fixing seat is provided with buckles, and the cover body is provided with snap-fit holes for insertion of the buckles.