Abstract: An action recognition method, an electronic device, and a non-transitory storage medium are provided. The action recognition method includes: augmenting an original video to obtain a plurality of augmented video segments; extracting multi-level video features of the plurality of augmented video segments based on a pre-trained action recognition model, and outputting an action recognition result of the original video according to the multi-level video features of the plurality of augmented video segments.

Abstract: The invention relates to the technical field of first aid equipment, and discloses a portable child anti-choking first aid equipment, including a face mask, an air cylinder grip, an outflow one-way valve, an inlet one-way valve, and also including a folding airbag. The foldable airbag is mounted between the mask and the air cylinder grip. When the folded airbag is pulled up, the gas is discharged and the foreign matter is sucked out, and the gas brief grip is pulled upward to drive the folded airbag to pull up. When the air simple grip is pressed downward, the outflow check valve opens and the inlet check valve closes, discharging the gas inside the folded airbag. When folded, the foldable anti-asphyxiation first aid equipment is more than three times smaller than portable first aid equipment on the market, making it easy for parents or child caregivers to carry in their bags.

Abstract: There is provided a phase shifter including a first substrate, a second substrate and a dielectric layer between the first substrate and the second substrate, the first substrate includes a first base and a first electrode layer on a side, of the first base, the second substrate includes a second base, a second electrode layer and a reference voltage leading-in end on a side of the second base, the reference voltage leading-in end is coupled to the second electrode layer, one of the first electrode layer and the second electrode layer includes a body structure and branch structures; an orthographic projection of an end of each branch structure away from the body structure on the first base is overlapped with an orthographic projection of the second electrode layer or the first electrode layer on the first base. An antenna is further provided.

Abstract: A memory device and method of making the same, the memory device including bit lines disposed on a substrate; memory cells disposed on the bit lines; a first dielectric layer disposed on the substrate, surrounding the bit lines and the memory cells; a second dielectric layer disposed on the first dielectric layer; thin film transistors (TFTs) embedded in the second dielectric layer and configured to selectively provide electric power to corresponding memory cells, the TFTs comprising drain lines disposed on the memory cells, source lines disposed on the first dielectric layer, and selector layers electrically connected to the source lines and the drain lines; and word lines disposed on the second dielectric layer and electrically connected to the TFTs.

Abstract: The present disclosure belongs to the technical field of OAM antennas, and provides a frequency re-configurable OAM antenna in S band and a frequency reconfiguration method. The OAM antenna includes a lower dielectric substrate and multiple array units. Each array unit includes a metal patch, an upper dielectric substrate, an outer loop, an inner loop, a coaxial feeder, four metal probes, and four diodes. In the present disclosure, bias states of all the diodes of each array unit are controlled by applying a voltage; when all the diodes are in forward bias states, the antenna works at a high frequency; and when all the diodes are in reverse bias states, the antenna works at a low frequency. The frequency re-configurable OAM antenna in S band in the present disclosure has features of frequency reconfiguration and two OAM radiation modes, and has a stable gain over a broadband.

Abstract: An array antenna module is provided, which includes a feed structure, a phase shift structure, and a radiation structure. The feed structure is connected to the phase shift structure, and the phase shift structure is connected to the radiation structure. The feed structure, the phase shift structure, and the radiation structure are all disposed on a glass substrate.

Abstract: A method for running an edge-cloud fusion-aware visual prompt large language model includes training a large language model feature encoder and a small feature extraction model, inputting knowledge-based text prompts to the large language model feature encoder in an edge device to generate a plurality of knowledge-based text embeddings, building a large language model database in the edge device according to the plurality of knowledge-based text embeddings, inputting a text prompt to the large language model feature encoder in the edge device to generate a text query embedding, comparing the text query embedding with the large language model database to generate a first similarity score, and if the first similarity score is larger than a first threshold, then inputting the text query embedding to the small feature extraction model to generate a first answer.

Abstract: Embodiments of the present disclosure provide an image processing method and apparatus, an electronic device, and a storage medium, and the method includes: acquiring an original image to be processed; inputting the original image into a first image processing model; processing the original image by the first image processing model to generate a target image, in which the first image processing model and a second image processing model are obtained by online alternate training, supervision information during training process of the first image processing model includes at least part of images generated by the second image processing model during training process, and a model scale of the first image processing model is smaller than a model scale of the second image processing model; and outputting the target image.

Abstract: Provided is a compound of formula I or II, a stereoisomer, a tautomer, a geometrical isomer, a solvate, an active metabolite, a hydrate, a prodrug or a pharmaceutically acceptable salt thereof, a pharmaceutical composition thereof, and the medical uses thereof in treating diseases benefiting from the capsid protein assembly inhibitor, particularly diseases caused by hepatitis B virus infection.

Abstract: An antenna device, a housing and an electronic apparatus, the antenna device includes: a substrate, with a first section and a second section; an antenna module, provided in the first section and having two or more antenna units spaced apart on the first section; an integrated circuit, provided in the second section; a connecting portion, provided in the substrate and electrically connected the antenna unit and the integrated circuit; a metal shielding layer, provided in the substrate, and an orthographic projection of the plurality of antenna units in a thickness direction of the first section are located within an orthographic projection of the metal shielding layer in the thickness direction.

Abstract: Provided is a microfluidic chip for physicochemically treating a single cell whose diameter is 50-400 micrometers.

Abstract: Two-component solventless polyurethane adhesive compositions are disclosed comprising an isocyanate component comprising an isocyanate blend, and a polyol component comprising an amine-initiated polyol comprising two or more primary hydroxyl groups and a backbone incorporating tertiary amines, wherein the amine-initiated polyol comprises a functionality of from 2 to 12, a hydroxyl number of from 5 to 1,830, and a viscosity at 40° C. of from 500 to 20,000 mPa-s, and a silicone-based additive (e.g., an anti-foaming agent and/or a wetting agent). The adhesive compositions are formulated such that the isocyanate and polyol components can be applied to separate substrates prior to mixing. Laminate structures comprising the disclosed adhesive compositions and further comprising a polymeric barrier substrate are also disclosed.

Abstract: An antenna assembly, a housing and a mobile terminal. The mobile terminal includes an antenna assembly and a housing. The antenna assembly includes: a substrate, including a first sub-portion and a second sub-portion that are spaced apart from each other in a first direction; an antenna module, arranged in the first sub-portion and including two or more antenna units spaced apart from one another in the first sub-portion; an integrated circuit, arranged in the second sub-portion; and a plurality of connecting portions, arranged on the substrate and electrically connecting the antenna units with the integrated circuit.

Abstract: An electrical system includes a first type power tool; a second type power tool; a first battery pack comprising a first mounting portion; and a second battery pack comprising a second mounting portion. The second mounting portion is different from the first mounting portion. The first type power tool comprises a battery pack mounting portion configured to detachably engage with the first mounting portion. The second type power tool comprises a battery pack mounting part configured to detachably engage with the second mounting portion and to be non-engaged with the first mounting portion. The weight of the first battery pack is greater than or equal to 3.6 kg. The weight of the first battery pack is greater than the weight of the second battery pack.

Abstract: This disclosure relates to the field of electric tool technologies, and specifically discloses a charging device, a battery pack, an external device, and a data transmission system. The charging device includes at least a first digital communication module, a second digital communication module, and a first digital signal terminal and a second digital signal terminal respectively connected to the first digital communication module and the second digital communication module. When the charging device is connected to the battery pack, the charging device can perform digital communication with the battery pack through at least one of the digital communication terminals.

Abstract: The present disclosure provides a sampling device of acquiring a graphite sample from a reactor graphite block, and the sampling device includes: a support placed on the reactor graphite block; a lifter configured to be insertable into the reactor graphite block in a first direction; a sampling actuator arranged at an end of the lifter and configured to acquire a graphite sample from the reactor graphite block. The sampling actuator is configured to insert into the reactor graphite block in a second direction, and the first direction is substantially perpendicular to the second direction.

Abstract: An electrical device including: a device housing; and a battery pack mounting portion arranged on the device housing and configured to detachably engage with a first battery pack or a second battery pack. The battery pack mounting portion includes a pair of first guiding portions and a pair of second guiding portions. The first guiding portions are configured to guide the first battery pack to engage with the electrical device in an engaging direction. The second guiding portions are configured to guide the second battery pack to engage with the electrical device in the engaging direction. The first guiding portions and the second guiding portions are independent of each other. In a width direction perpendicular to the engaging direction, the pair of first guiding portions are located on two sides of the pair of second guiding portions.

Abstract: A memory structure includes: first and second word lines; a high-k dielectric layer disposed on the first and second word lines; a channel layer disposed on the high-k dielectric layer and comprising a semiconductor material; first and second source electrodes electrically contacting the channel layer; a first drain electrode disposed on the channel layer between the first and second source electrodes; a memory cell electrically connected to the first drain electrode; and a bit line electrically connected to the memory cell.

Abstract: A memory device and method of making the same, the memory device including bit lines disposed on a substrate; memory cells disposed on the bit lines; a first dielectric layer disposed on the substrate, surrounding the bit lines and the memory cells; a second dielectric layer disposed on the first dielectric layer; thin film transistors (TFTs) embedded in the second dielectric layer and configured to selectively provide electric power to corresponding memory cells, the TFTs comprising drain lines disposed on the memory cells, source lines disposed on the first dielectric layer, and selector layers electrically connected to the source lines and the drain lines; and word lines disposed on the second dielectric layer and electrically connected to the TFTs.

Abstract: An audio control method, a wearable device, and an electronic device. The audio control method is used for controlling the wearable device. The audio control method includes: providing an acoustic waveguide structure configured to implement a sound focusing function; acquiring an operation status of the acoustic waveguide structure, and generating a first control signal when the operation status of the acoustic waveguide structure is in an enabled state; and reducing a sound volume of the loudspeaker of the wearable device according to the first control signal.