Abstract: Disclosed is a recoverable and self-expanding short-frame valve suitable for aortic valve regurgitation, including a tubular frame and valve leaflets. The tubular frame can contract to a delivery configuration or expand to a use configuration in a radial direction; the tubular frame includes a first portion and a second portion integrally formed and coaxially arranged; a waist portion is formed at the junction of the first portion and the second portion when the tubular frame is in the use configuration; and the second portion is divergently arranged in a direction away from the waist portion. According to the present disclosure, the complete recovery of the valve can be realized without affecting the later coronary intervention.

Abstract: A control method of a mechanical arm, a mechanical arm assembly, and a readable storage medium. The mechanical arm includes a parallel platform which includes a movable platform, a static platform and a telescopic element connecting the movable platform and the static platform, and the method includes: acquiring a current pose of the movable platform in a mechanical coordinate system, wherein the mechanical coordinate system is a global coordinate system of the mechanical arm where the movable platform is located; acquiring, according to the current pose of the movable platform, a target pose of a static platform in the mechanical coordinate system; performing pose transformation on the static platform according to the current pose of the movable platform and the target pose of the static platform.

Abstract: An outdoor electric cabinet and an air duct structure thereof are provided. The air duct structure is used to guide airflow to an air inlet side of a fan. The air duct structure includes an air inlet port, a flow-guiding cavity and an air distribution assembly. The air inlet port is configured to introduce external airflow into the air duct structure. The flow-guiding cavity is formed between the air inlet port and the air inlet side of the fan. The air distribution assembly is arranged in the flow-guiding cavity to uniformly distribute an air suction force of the air inlet port. The airflow suction force at the air inlet port is distributed more uniformly by the air distribution assembly, which effectively weakens the maximum wind speed on the shortest path.

Abstract: A layout pattern for magnetoresistive random access memory (MRAM) includes a substrate having a first active region, a second active region, and a word line connecting region between the first active region and the second active region, a first gate pattern extending along a first direction from the first active region to the second active region, a second gate pattern extending along the first direction from the first active region to the second active region, a first magnetic tunneling junction (MTJ) between the first gate pattern and the second pattern and within the word line connecting region, and a second MTJ between the first gate pattern and the second gate pattern in the first active region. Preferably, top surfaces of the first MTJ and the second MTJ are coplanar.

Abstract: Technologies for a flexible three-dimensional power plane in a chassis are disclosed. In one embodiment, a flexible ribbon cable is laid along a circuit board tray. The flexible ribbon cable is secured to the tray using power bosses. The power bosses connect to one or more conductors on the ribbon cable. When the circuit board is mounted on the circuit board tray, the power bosses extend through holes in the circuit board and mate with power clips on the surface of the circuit board tray. The ribbon cable, power bosses, and power clips can distribute power to various locations on the circuit board, without requiring large traces that take up space on the circuit board.

Abstract: The application provides a display substrate, a method for manufacturing the same, and a display device. The display substrate includes a display region and a binding region located at a periphery of the display region. The binding region is provided with a drive circuit pin and a flexible circuit board pin, and a connecting trace for connecting the drive circuit pin and the flexible circuit board pin. The connecting trace includes a first connecting line and a second connecting line connected in parallel, the first connecting line and the second connecting line are in different layers, the first connecting line is between an interlayer insulating layer and a base substrate of the display substrate, the first connecting line and the interlayer insulating layer are separated by a first insulating layer, and the second connecting line is on a side of the interlayer insulating layer away from the base substrate.

Abstract: A tray and an electronic device using the same are provided. The tray used to carry an expansion card includes a base, a tray body, a sliding plate, and a limiting spring. The tray body is slidably disposed on the base and has a base portion and two side walls disposed on two sides of the base portion. The sliding plate is slidably disposed on the base portion and is able to be moved away from or close to one of the side walls relative to the tray body selectively. The limiting spring is disposed on the base portion and is used to limit the sliding plate.

Abstract: This application provides a housing and an electronic device. The housing includes a first support plate, a second support plate, and a vapor chamber. The first support plate, the vapor chamber, and the second support plate are laminated, and the vapor chamber is located between the first support plate and the second support plate, and is connected to the first support plate and the second support plate. Heat dissipation channels are disposed on the vapor chamber, the heat dissipation channels include a main heat dissipation channel and an auxiliary heat dissipation channel, the main heat dissipation channel and the auxiliary heat dissipation channel are connected, and heat exchange may occur between the main heat dissipation channel and the auxiliary heat dissipation channel. The housing provided in this application is used to resolve a technical problem of poor heat dissipation performance of the housing in the conventional technology.

Abstract: Provided are an epitope peptide (or a variant thereof) that can be used for preventing or treating an EBV infection, a recombinant protein containing the epitope peptide (or variant thereof) and a carrier protein, and the use of the epitope peptide (or variant thereof) and the recombinant protein. Further provided are an antibody against the epitope peptide, and the use thereof in the detection, prevention and/or treatment of an EBV infection and/or diseases caused by the infection.

Abstract: An artificial shuttlecock includes a ball head, a plurality of feathers, and a plurality of stems. Each of the feathers includes a notch. The notch is disposed on an outer edge of the feather. A ball head end of the stem is connected to the ball head, and a feather end is connected to the feather. The stem includes a body, which tapers from the end close to the ball end to the feather end. The end of the body close to the ball end has a first width, and the body has a second width at the feather. The first width is between 2.1 mm and 2.4 mm, and the second width is between 0.4 mm and 0.6 mm.

Abstract: The present utility model discloses a shelf with lighting effect, which vertically spaces a plurality of mounting frames, connects them respectively among a plurality of upright columns; the said mounting frames are installed with support plates to form a vertical shelf with a plurality of compartments, each of which can be used to hold objects; on the side of the mounting frames is arranged with at least one lamp groove, and in the lamp grooves are arranged with LED light strips electrically connected with the power supply subassembly to provide lighting effect for the objects placed on the support plates.

Abstract: A functional electrical stimulation (FES) device includes electrodes arranged to apply functional electrical stimulation to a body part of the user. FES stimulation is performed by: receiving values of a set of user metrics for the user; receiving a target position of the body part represented as values for a set of body part position measurements; determining a user-specific energization pattern for producing the target position based on the received target position and the received values of the set of user metrics for the user; and energizing the electrodes of the FES device in accordance with the determined user-specific energization pattern. The determination may utilize an FES calibration database with records having fields containing: values of the set of user metrics for reference users; energization patterns; and values of the set of body part position metrics for positions assumed by the body part in response to applying the energization patterns.

Abstract: The present disclosure provides a traversal method and system, a robot and a readable storage medium. The method comprises: driving a robot to travel in a working region according to a predetermined mode and work synchronously; and adjusting the robot to continue working according to a predetermined first rule every time a turn sign is encountered, and adjusting the robot to return to the predetermined mode after the first rule is completed; wherein the first rule is: starting from the position where the turn sign is encountered, rotating clockwise or counterclockwise; after first rotation is carried out according to a first angle, continuing running for a first time according to the predetermined mode; and then, after second rotation is carried out according to a second angle in the same rotation direction as the previous rotation, continuing running for a second time according to the predetermined mode, the first angle being different from the second angle.

Abstract: A fastening device is applied for being installed at an article and includes a base, a coupling member and a reel member. The base is located at the article and includes a bottom cover and a rotating plate, the bottom cover includes a bore, and the rotating plate is movably coupled to the bottom cover. The coupling member inserts an installing hole of the article and the bore, the coupling member is coupled to the rotating plate, and the reel member is coupled to a lace and disposed at the base. The rotating plate is rotated to move the coupling member in the bore, thereby narrowing a gap between the base and the article.

Abstract: Disclosed are a low-cost high-efficiency drip irrigation system for a cotton field and a use method thereof. The drip irrigation system for a cotton field includes a filtering device and a water supply device; wherein the filtering device adopts different types of single filtering devices or combined filtering devices according to different water source types; the water supply device includes multiple stages of main pipes, submain pipes and laterals; the laterals (a drip irrigation tape with labyrinth on one side or a drip irrigation tape inlaid with emitters inside) are laid on the surface of the ground and located below a mulch film. The drip irrigation system adopts the design of large flow (1.5-3.4 L/h), slightly larger pipe diameter (>75 mm), low water pressure (operating pressure of drip irrigation tape being 0.03-0.07 MPa) and suitable drip irrigation uniformity (80%-90%).

Abstract: A slide rail assembly includes a first rail, a second rail, a slide-facilitating device, and a working member. The second rail is movably mounted in a channel of, and is displaceable with respect to, the first rail. The slide-facilitating device is movably mounted between the rails and includes an engaging feature. The working member is provided on the first rail and includes a main body portion, an elastic portion for supporting the main body portion, and a predetermined portion connected to the main body portion. The first rail includes a supporting portion for supporting the elastic portion of the working member. The engaging feature is engaged with the predetermined portion of the working member when the slide-facilitating device is at a predetermined position.

Abstract: An apparatus for hole drilling in a substrate is provided. The apparatus includes a laser system configured to apply a laser beam onto the substrate for removing material from a set of areas on the substrate by directing the laser beam onto predefined positions corresponding to the set of areas on the substrate in a sequence. The apparatus includes a ventilation system configured to produce a fluid flow along one or more sides of the substrate. The apparatus controls the laser beam such that the laser beam is sequentially positioned according to a first laser beam movement direction and a second laser beam movement direction.

Abstract: Disclosed are a caffeic acid-based composite material and a preparation method thereof. The method includes: exposing a cyclodextrin metal-organic framework material prepared from ?-cyclodextrin to a solution of caffeic acid in a short-chain alcohol to obtain a mixed material; and incubating the mixed material, wherein during the incubating, the cyclodextrin metal-organic framework material is in dynamic contact with the solution of caffeic acid in a short-chain alcohol. The prepared composite material includes a cyclodextrin metal-organic framework material and caffeic acid loaded on the cyclodextrin metal-organic framework material, wherein the cyclodextrin metal-organic framework material is prepared from ?-cyclodextrin. The caffeic acid is loaded in an amount of 15-18% of a total mass of the caffeic acid-based composite material. The caffeic acid is located in a cavity of the cyclodextrin metal-organic framework material.

Abstract: An electronic cigarette vaporization core and an electronic cigarette, the electronic cigarette vaporization core includes a porous body and a heating body. The porous body includes a liquid absorbing end and a vaporization end, a bump is arranged on the vaporization end, and the bump includes an end surface facing away from the porous body and a side surface located on an outer periphery of the bump. The heating body is arranged on the end surface, and a distance between at least a part of the heating body and an edge of the end surface is less than a predetermined value, so that both at least a part of the end surface and at least a part of the side surface form vaporization surfaces. Therefore, when the vaporization surface formed on the bump is fully used, utilization efficiency of heat energy of the heating body can be ensured on the basis of improving a heating speed of the heating body.

Abstract: Disclosed is a fungicidal composition comprising (a) at least one compound selected from the compounds of Formula 1, including all geometric and stereoisomers, tautomers, A-oxides, and salts thereof, wherein E, L, J, A and T are as defined in the disclosure; and (b) at least one additional fungicidal compound. Also disclosed is a method for controlling plant diseases caused by fungal plant pathogens comprising applying to the plant or portion thereof, or to the plant seed, a fungicidally effective amount of a compound of Formula 1, an A-oxide, or salt thereof (e.g., as a component in the aforesaid composition). Also disclosed is a composition comprising: (a) at least one compound selected from the compounds of Formula 1 described above, A-oxides, and salts thereof; and at least one invertebrate pest control compound or agent.