Abstract: A lifting structure of a display rack includes an upright post, a retainer, a lifting support, and a tension spring. The upright post includes a guide rail on an inner corner of the upright post. The retainer is installed on an upper end of the guide rail. The lifting support includes a support portion that is movably fitted in the inner corner of the upright post and a slide portion that is slidably fitted in the guide rail. The support portion is configured to support a bearing plate of the display rack. Upper and lower ends of the tension spring are connected to the retainer and the slide portion, respectively. The lifting structure of the display rack can be lifted and lowered smoothly without shaking.

Abstract: An automatic lifting display rack includes a display rack body, an elastic device, and a lifting platform. The display rack body has an accommodation space therein. The elastic device is disposed in the accommodation space. The lifting platform is above the elastic device. Corners of the lifting platform are integrally connected with a plurality of first upright posts that are parallel to side walls of the accommodation space. At least one first roller is mounted to each of the first upright posts. The first roller is configured to roll on a corresponding one of the side walls of the accommodation space. The automatic lifting display rack can improve the smoothness and stability of the lifting platform to be moved up and down.

Abstract: Disclosed is a charging station capable of realizing mutual capacity aid, which comprises a plurality of charging units, a power bus and a mutual capacity aid bus. Each charging unit is powered by the power bus, and each charging unit provides mutual aid capacity for another charging unit through the mutual capacity aid bus or receives mutual aid capacity from other charging units through the mutual capacity aid bus. The charging station can realize rapid charging of electric vehicles, and can also realize mutual capacity aid.

Abstract: Provided is a GII.4 norovirus virus-like particle or active fragment thereof, and use thereof, the virus-like particle comprising or being composed of an amino acid sequence shown as SEQ ID NO: 4. Further, provided is a composition or a kit comprising the GII.4 norovirus virus-like particle, and use thereof. The objective of covering multiple genotypes is achieved by using a single antigen of the invention, the process difficulty of the preparation for a pharmaceutical composition or a vaccine can be reduced, and the production cost is decreased. Also, provided is a norovirus immune composition or a kit comprising GII.2, GII.4, GII.6, and GII.17 norovirus virus-like particles or active fragments thereof, and use thereof.

Abstract: The present disclosure relates to the field of communication technology, and provides a measurement gap configuration method, a node and a UE. The measurement gap configuration method for a first node includes configuring a measurement gap for a UE. The measurement gap includes at least one of a per-UE measurement gap for the UE, a per-CG measurement gap for each cell group corresponding to the UE, or a per-CC measurement gap for a component carrier corresponding to the UE.

Abstract: A mobile device management method includes: a first electronic device sends a request message including an identifier of at least one second electronic device to a first server. The first electronic device receives a DM service APP from the first server and installs the DM service APP. After the DM service APP is installed, the first electronic device can provide the MDM service. The first electronic device provides the MDM service for the second electronic device, to implement management and device system upgrade of the second electronic device.

Abstract: An assembling method of an electronic module is disclosed and includes steps of: (a) providing a first circuit board including a first side and a second side; (b) providing a second circuit board including a third side and a fourth side, and a connection component connected to the third side; (c) providing a solder ball, and stacking the first circuit board, the second circuit board and the solder ball; and (d) performing a reflow soldering process to a stacked structure of the first circuit board, the second circuit board and the solder ball.

Abstract: The disclosure provides compositions and methods related to activating alpha-kinase 1 (ALPK1) for modulating an immune response and treating or preventing cancer, infection, inflammation and related diseases and disorders as well as potentiating an immune response to a target antigen. The disclosure also provides heterocyclic compounds of formula (I) as agonists of alpha protein kinase 1 (ALPK1) and their use in activating ALPK1, modulating an immune response and treating diseases such as cancer, wherein A1, A2, L1, L2, L3, Z1, Z2, W1, W2, R1, R2, R3, R4, R5, R6 and R7 are defined herein.

Abstract: A method and an apparatus for generating an image are provided. The method includes: acquiring a screenshot of a webpage preloaded by a terminal as a source image; recognizing connection areas in the source image, and generating first circumscribed rectangular frames outside outlines of the connection areas; combining, in response to determining that a distance between the connection areas is smaller than a preset distance threshold, the connection areas, and generating a second circumscribed rectangular frame outside outlines of the combined connection areas; and generating, based on a nested relationship between the first circumscribed rectangular frames and the second circumscribed rectangular frames and pictures in the first circumscribed rectangular frames, a target image. The first circumscribed rectangular frames and the second circumscribed rectangular frame are respectively generated by recognizing and combining the connection areas in the source image.

Abstract: A power module includes a printed circuit board, a magnetic element, a secondary side switching circuit and at least two groups of external terminals. The magnetic element is disposed on the printed circuit board. The magnetic element includes at least one primary winding and plural secondary windings. The secondary side switching circuit includes a plurality of secondary switching units. Each secondary switching unit includes a plurality of switches connected in parallel. The switches of each secondary switching unit are evenly distributed on a first surface and a second surface of the printed circuit board. The switches of the secondary switching unit on the first surface and the second surface of the printed circuit board are at least partially overlapped with each other. The at least two groups of external terminals are disposed on the second surface of the printed circuit board, and electrically connected with the secondary side switching circuit.

Abstract: The disclosure provides compositions and methods related to activating alpha-kinase 1 (ALPK1) for modulating an immune response and treating or preventing cancer, infection, inflammation and related diseases and disorders as well as potentiating an immune response to a target antigen. The disclosure also provides heterocyclic compounds of formula (I) as agonists of alpha protein kinase 1 (ALPK1) and their use in activating ALPK1, modulating an immune response and treating diseases such as cancer, wherein A1, A2, L1, L2, L3, Z1, Z2, W1, W2, R1, R2, R3, R4, R5, R6 and R7 are defined herein.

Abstract: The present disclosure provides a copy area identification method and device, which relates to the technical field of image processing. A copy area identification method according to the present disclosure includes: extracting feature information of multiple layers from an image to be processed; encoding the feature of the multiple layers information respectively, and jointly decoding according to encoded information of the multiple layers to acquire a jointly decoded output; acquiring information of pixels according to the jointly decoded output, wherein the information of the pixels comprises rotation angle information of the copy area, and a distance between each of the pixels and a border of the copy area; and determining a position of a border of the copy area according to the information of the pixels.

Abstract: A soft turn-off active clamp protection circuit and a power system are disclosed. The circuit includes a gate connection terminal, a drain connection terminal, a source connection terminal, a discharge capacitor, an overvoltage signal acquisition module, a negative feedback module, a discharge current control module and a turn-off control module.

Abstract: A magnetic element includes at least one primary winding, at least one secondary winding, a magnetic core, and an auxiliary winding. A winding segment or an entire of the primary winding or a winding segment or an entire of the secondary winding is defined as a parallel-connected winding set. The magnetic core includes a plurality of winding legs, two lateral legs, and two connection parts. The at least one primary winding and the at least one secondary winding are wound around each winding leg. The directions of magnetic fluxes through every two adjacent winding legs are opposite. The auxiliary winding is wound on one of two lateral legs, and electrically connected with the parallel-connected winding set. A direction of a magnetic flux generated by the auxiliary winding is opposite to a direction of the magnetic flux through the adjacent winding leg.

Abstract: A magnetic element includes a magnetic core, at least one excitation winding and an auxiliary winding. The magnetic core includes at least one first magnetic leg, a second magnetic leg and a third magnetic leg. Each of the at least one magnetic leg is wound with an excitation winding, wherein a vector sum of magnetic flux passing through each of the at least one first magnetic leg is a first magnetic flux, a second magnetic flux is passing through the second magnetic leg, and a third magnetic flux is passing through the third magnetic leg. The auxiliary winding is partially or completely wound on the second magnetic leg, wherein the auxiliary winding is used to clamp the second magnetic flux.

Abstract: Disclosed are a compound containing a fused ring, a use thereof and a pharmaceutical composition containing same. Provided are a compound as shown in formula I-A, a pharmaceutically acceptable salt thereof, a solvate thereof, a solvate of the pharmaceutically acceptable salt thereof or a crystal form thereof. The compound can significantly reduce the levels of HBsAg, HBeAg and HBV DNA, and can be used for preparing a drug for treating hepatitis B, and has good market prospects.

Abstract: The invention discloses a bionic human esophagus and stomach digestive system including a bionic stomach assembly and a bionic esophagus assembly. The bionic stomach assembly includes a bionic stomach including a stomach body provided with a pylorus and a cardia, a rolling compression apparatus disposed outside the stomach body for performing rolling compression on the bionic stomach, and a gastric juice tube in fluid communication with the stomach body. The bionic esophagus assembly includes a bionic esophagus in fluid communication with the cardia, a first and second esophagus clamp which are respectively clamped at two ends of the bionic esophagus for controlling the esophagus to be opened or closed, and a vibrator disposed between the first and second esophagus clamps for driving the bionic esophagus to vibrate. In the application, the bionic stomach and esophagus are subject to mechanical compression and vibration, thereby simulating a real stomach digestive system.

Abstract: A sensor comprising a support and a flexible structure arranged on the support is provided. The flexible structure comprises a frustum-shaped portion having a wider end and a narrower end, wherein the wider end of the frustum-shaped portion is arranged proximal to the support, and an elongated portion extending from the narrower end of the frustum-shaped portion, wherein the flexible structure further comprises a stretchable conducting film arranged on the frustum-shaped portion. A method of preparing such a sensor is also provided.