Abstract: Provided are a preparation method of a long-cycle modified graphite-based composite material and a lithium ion battery containing the material. The method including: (1) mixing a graphite material and a coating modifier; (2) placing the mixture into a self-pressurized reaction device, then placing the device in a heating apparatus to perform a self-pressurized impregnation experiment, during which temperature is controlled to increase in such a manner that the coating modifier is gradually liquefied after reaching a softening point, to completely impregnate the graphite material under self-pressurizing and to be distributed on a surface of the graphite material; (3) cooling; and (4) performing a heat treatment in an inert atmosphere to obtain the modified graphite-based composite material.

Abstract: A terminal device obtains first configuration information, where the first configuration information includes indication information of a UL MAC CE. Then, the terminal device preferentially sends a UL MAC PDU or an SL MAC PDU based on the indication information, where the UL MAC PDU can be used to transmit the UL MAC CE.

Abstract: A dual-polarized magnetoelectric dipole antenna, including a reflection plate, electric and magnetic dipoles, where the electric dipole includes four first electrodes; the magnetic dipole includes four second electrodes; the second electrodes are in one-to-one correspondence with the first electrodes, and each second electrode is connected between a corresponding first electrode and the reflection plate; each first electrode includes first and second sides connected to each other; the first side of the first electrode is adjacent to the first side of one adjacent first electrode, and the second side of the first electrode is adjacent to the second side of other one adjacent first electrode; each second electrode includes two sub-electrodes connected to the first and second sides of a corresponding first electrode, respectively; the sub-electrode has a slit opening therein, and an extending direction of the slit opening is parallel to a plane where the reflection plate is located.

Abstract: The present application discloses an axial flow wind wheel, including a wheel hub and blades; inner edges of the plurality of blades are connected to the wheel hub, and the blades are uniformly arranged at interval in a circumferential direction of the wheel hub; a suction surface of each blade is provided with rows of flow guide structures, and each row of flow guide structure includes flow guide ribs arranged along an arc corresponding thereto; and the arcs respectively corresponding to the rows of flow guide structures are concentric with an axis of the wheel hub, and are arranged at interval in a radial directional of the wheel hub. An air conditioner outdoor unit includes a heat exchanger, a driving motor, and the axial flow wind wheel.

Abstract: An anti-breakdown ion source discharge apparatus includes a discharge chamber, a coil support, an upper insulation fixing block, a discharge component and an ion source chamber. The discharge component includes a radio-frequency coil, a lower conductive connector and an upper conductive connector. The radio-frequency coil is fixed on a coil support base; the coil support base is clamped on an inner wall of the bottom of the ion source base; the coil support is along the circumference of the coil support base; the radio-frequency coil passes through the coil support; the upper conductive connector passes by the radio-frequency coil and the coil support base from the outside of the radio-frequency coil and extends into the bottom of the discharge chamber; and the upper insulation fixing block is sleeved over the upper conductive connector and is fixed on the inner wall of the bottom of the ion source chamber.

Abstract: An antenna is provided. The antenna includes a microstrip feed line, a ground plate, a slot extending through the ground plate, and a radiating plate. The radiating plate is on a side of the ground plate and the slot away from the microstrip feed line. The radiating plate is configured to receive a signal from the microstrip feed line by aperture coupling through the slot. The radiating plate includes a plurality of radiating blocks spaced apart from each other.

Abstract: A flexible display panel and a preparation method therefor, and a display device and a display module are provided. The flexible display panel includes a planar area, a first bending area, a second bending area and a corner bending area. The corner bending area is connected to a corner of the planar area and is connected between the first bending area and the second bending area, and is provided with a plurality of first hole groups, where the corner bending area is bent with a width of a first hole group in middle of the corner bending area increasing and a width of a first hole group in an edge area on a side of the corner bending area away from the planar area decreasing.

Abstract: An acoustic module includes a speaker mesh and a fastener. The speaker mesh includes a first end face and a second end face that are opposite to each other. The first end face is provided with an installation cavity that is recessed to the second end face. The second end face is provided with a plurality of sound holes that are connected to the installation cavity. The first end face is configured to abut against a housing of the electronic device. The fastener is fastened in the installation cavity, and the fastener is configured to be fastened to the electronic device. The acoustic module is of a structure in which the fastener is wrapped by the speaker mesh. The first end face of the speaker mesh abuts against the electronic device, and the fastener is hidden in the installation cavity of the speaker mesh.

Abstract: The present disclosure provides a pilot proportional control valve apparatus, an automatic calibration method, engineering machinery and a storage medium, and relates to the technical field of engineering machinery, wherein the pilot proportional control valve apparatus including a hydraulic system and a controller; the hydraulic system including: a plurality of proportional pressure reducing valves, a calibration reversing valve, and a pressure sensor; the calibration reversing valve including a plurality of reversing units, an output end of each proportional pressure reducing valve being respectively connected with an input end of one corresponding reversing unit; the pressure sensor being arranged in a detection oil path; the controller performing calibration processing on the proportional pressure reducing valve according to a pilot oil detection pressure and an output pressure value of the proportional pressure reducing valve.

Abstract: A safety thrombectomy device, comprising: a handle (1); a hollow outer tube (2); a hollow inner core tube (3) having a first inner core segment located in a through hole in the outer tube (2), a second inner core segment extending from the front end of the outer tube (2), and a third inner core segment extending from the rear end of the outer tube (2); a thrombus crusher (5) provided at the front end of the outer tube (2); a thrombus collector (4) connected to the front end of the second inner core segment of the hollow inner core tube (3) and located in front of the thrombus crusher (5); a tee joint (6) provided at the front end of the handle (1) and having a free end (10) used for injecting normal saline; an adjusting knob (7) provided on the handle (1) and capable of moving with respect to the handle (1) to drive the outer tube (2) to move back and forth; a locking knob (8) provided on the handle (1) and used for locking the adjusting knob (7) after the outer tube (2) moves to a preset position; and an inj

Abstract: A computer device for automatic feature detection comprises a processor, a communication device, and a memory configured to hold instructions executable by the processor to instantiate a dynamic convolution neural network, receive input data via the communication network, and execute the dynamic convolution neural network to automatically detect features in the input data. The dynamic convolution neural network compresses the input data from an input space having a dimensionality equal to a predetermined number of channels into an intermediate space having a dimensionality less than the number of channels. The dynamic convolution neural network dynamically fuses the channels into an intermediate representation within the intermediate space and expands the intermediate representation from the intermediate space to an expanded representation in an output space having a higher dimensionality than the dimensionality of the intermediate space.

Abstract: Aspects of the subject disclosure may include, for example, a device in which a cloud connection stack and a security transport stack are each partially or entirely implemented for execution in a modem (e.g., a cellular modem) or a SIM component (e.g., an IoT SAFE SIM applet) of the device, rather than on the device's own OS and processor. Some or all of the application layer protocols (e.g., MQTT, CoAP, LwM2M, etc.) in the security transport stack may be implemented (or consolidated) for execution by the modem or SIM component. Some or all of the functionality of the cloud connection stack (e.g., bootstrapping and messaging/telemetry) may additionally, or alternatively, be implemented (or consolidated) for execution by the modem or SIM component. Other embodiments are disclosed.

Abstract: A communication system includes a first device, a second device, and a cable that connects the first device and the second device, and the cable stores cable information of the cable. A link training method includes: obtaining device information of the first device, obtaining the cable information from the cable, and obtaining device information of the second device; and performing link training between the first device and the second device based on the device information of the first device, the cable information, and the device information of the second device.

Abstract: A silicon-based anode material for secondary batteries, a preparation method thereof and a secondary battery are provided. The silicon-based anode material includes: an inner core including an Si particle and silicon oxide SiOx1, where 0<x1<2, a first shell layer including a compound of the general formula MySiOz (0<y?4, 0<z?5, and z?x1) and a C particle, wherein the first shell layer covers the inner core, and the contents of M and C in the first shell layer gradually increase from a side thereof close to the inner core to another side thereof far away from the inner core; and a second shell layer including a carbon film layer or a composite film layer formed by a carbon film layer and a conductive additive, the second shell layer covers the first shell layer. The first charge-discharge cycle capability of the silicon-based anode material is improved, and the manufacturing cost is reduced.

Abstract: The invention discloses a use of a mulberry (Morus alba L.) extract, including a method for treating ulcerative colitis, a method for preventing ulcerative colitis, and a method for reduction in Disease Activity Index, DAI. The use is application of a mulberry extract to the preparation of a product for treating and/or preventing ulcerative colitis. The invention experimentally demonstrated that positive drug group, SZ-A-1, SZ-A-2, SZ-A-3, SZ-A-4 and SZ-A-5 (pretreatment) could each significantly inhibit colonic atrophy in UC model mice, and the effects in SZ-A-2, SZ-A-3 and SZ-A-4 groups are comparable to that in positive drug group, with SZ-A-5 (pretreatment) achieving a superior effect to the positive drug. The mulberry extract of the invention, as a component derived from natural plants, has unique advantages of small toxic and side effects, mild and lasting actions etc.

Abstract: The present disclosure describes a system and method for preempting a long-running process with a higher priority process in a machine learning system, such as a hardware accelerator. The machine learning hardware accelerator can be a multi-chip system including semiconductor chips that can be application-specific integrated circuits (ASIC) designed to perform machine learning operations. An ASIC is an integrated circuit (IC) that is customized for a particular use.

Abstract: The present disclosure provides a heater and a heating base. The heater is used in a semiconductor process apparatus and includes a heating body and a base configured to support the heating body. The base includes a base body and a plate connected to each other. The base body is opposite to the heating body and arranged at an interval. The plate is arranged between the base body and the heating body and is fixedly connected to the heating body. An elastic bending structure is arranged on at least one of the plate, the base body, or the connection place between the plate and the base body. The elastic bending structure is configured to cause the plate and the heating body to remain connected by generating elastic deformation when the plate and the base body expand and deform.

Abstract: This application provides a packet processing method and a network device. A third network device is multi-homed to a first network device and a second network device, the first network device is configured with a first physical MAC address and a virtual MAC address, the second network device is configured with a second physical MAC address and the virtual MAC address, and the virtual MAC address is used to forward a user data packet to a network side. The method includes: a first network device receives a protocol packet from a third network device, where the protocol packet includes the second physical MAC address; and the first network device forwards the protocol packet to the second network device based on the second physical MAC address. Thus, the protocol packet can be normally forwarded without special configuration on a server, so that a cumbersome configuration process is avoided.

Abstract: An easy-to-clean antiskid wear-resistant floor coating, a preparation method and an application method thereof are provided. The coating includes a coating component and a curing agent component, and the mass ratio of the coating component to the curing agent component is 100:45-70. The coating includes the following components: polyaspartic acid ester, polyester polyol or polyether polyol, a reactive catalyst, a solvent, a hydrophilic anti-staining agent, an ultraviolet absorbent, a heat stabilizer, elastic microspheres, a flame retardant, an mildew inhibitor, an anti-settling agent, defoaming agents, a leveling agent and pigments and fillers. The curing agent component includes isocyanate prepolymer and polyisocyanate.