Abstract: The present invention provides a super-hydrophobic anti-pollution flashover coating with hydrophobicity transference, which is prepared from the following raw materials: a silicone resin, an organic solvent, silicon oxide, a flame retardant, a cross-linking agent, a coupling agent, a dispersing agent, a defoaming agent, a leveling agent, and a silicone resin curing agent. The present invention also provides a preparation method of the super-hydrophobic anti-pollution flashover coating with hydrophobicity transference.

Abstract: A hydrodynamic water blocking device for an underground garage includes a water blocking plate assembly and side rail assemblies, wherein the water blocking plate assembly includes a first water blocking element, one end of the first water blocking element is rotationally connected with a base, the other end of the first water blocking element is rotationally connected with one end of a second water blocking element, the first and second water blocking elements have foamed layers, the base has grooves capable of accommodating the embedded foamed layers, water inlets formed in the base communicate with the grooves, each of the side rail assemblies includes a side plate with an ascending rail including a horizontally disposed linear rail and an arc-shaped lifting rail, the second water blocking element has a walking assembly embedded in the ascending rail which is connected with a driving mechanism installed at the second water blocking element.

Abstract: An apparatus for efficiently preparing spherical metal powder for 3D printing includes a housing, a crucible and a powder collection area arranged in the housing, wherein a turnplate arranged in the collection area is an inlaid structure. A material having a poor thermal conductivity is selected as the base of the turnplate, and a metal material having a wetting angle less than 90° with respect to droplets is selected and embedded into the base to serve as an atomization plane of the turnplate. An air hole is disposed in the turnplate. The spherical metal powder for 3D printing combines electromagnetic force breaking capillary jet flow and centrifugal atomization, which breaks through the traditional metal split mode, and makes the molten metal in a fibrous splitting.

Abstract: The present invention relates to the field of synthetic medicinal chemistry and provides a series of novel diaryl-?-lactam compounds having significant anti-tumor activity, and the pharmaceutical use thereof. The present invention also comprises the use of these compounds, pharmaceutical salts, and pharmaceutical composition thereof for preparing a pharmaceutical for the prevention or treatment of tumor-associated disease. The diaryl-?-lactam compounds of the present invention have the following general formula (I).

Abstract: An intelligent separation device has gas explosion, stirring, drying and negative pressure adsorption devices. The gas explosion device receives conveyed peanut materials with red coats to be removed, and the materials are subjected to gas explosion, so that the peanut kernels and the peanut red coats are preliminarily separated. The stirring device shifts the preliminarily separated peanut kernels and peanut red coats into the drying device. The drying device compresses and heating external air, transfers heat through hot air, and heats and dries the preliminarily separated peanut kernels and peanut red coats, so that the peanut red coats and the peanut kernels are fully separated. The negative pressure adsorption device collects the fully separated peanut kernels and red coats with different densities and masses in a negative pressure adsorption mode.

Abstract: Lubricant compositions and methods of producing die-cast products by applying such a lubricant composition to a working surface of a die prior to casting a product from a molten metal injected into the die. The composition serves as lubricant between the die and resulting product, and contains at least one active component that reacts with an oxide of the metal to remove a layer of the oxide that forms on a surface of the melt during the die casting process.

Abstract: This invention discloses a semi-active rigid-flexible coupling exoskeleton based on a single-loop bidirectional damping regulator and relates to a power assisting mechanism in the field of robots, the exoskeleton including a waist assembly, a leg assembly, and a hydraulic damping regulator; the hydraulic damping regulator includes a cylinder body, a titanium alloy sleeve, a cylinder head, a piston, an extension assisting spring, an oil injection port plug, a staggered channel-type valve body, a valve body sealing seat, a valve body-end bevel gear, an angle sensor, a motor fixing seat, a DC servo motor, a coupler, and a motor-end bevel gear. According to the invention, two modes of power assistance or damping regulation, i.e.

Abstract: To provide a novel polar group-containing olefin copolymer in which an enone structure is introduced into the main chain as a structural unit. A polar group-containing olefin copolymer comprising a structural unit (A) derived from one or more monomers selected from the group consisting of ethylene and an olefin containing 3 to 20 carbon atoms, and a structural unit (B) represented by the following general formula (I): (Rx and Ry in the general formula (I) are as described in the Description.

Abstract: A broadband ultrathin sound absorption or sound insulation structure controlling an acoustic wave propagation path has at least one sound absorption unit or one sound insulation unit; and each sound absorption unit or sound insulation unit has at least one acoustic wave focused section and at least one acoustic wave absorption section. The acoustic wave focused section is formed by an acoustic wave focused cavity filled with acoustic material. The acoustic wave focused section controls the acoustic wave propagation path through the change of a section of the cavity and the change of material equivalent parameters in the cavity, so that the acoustic waves are focused and propagate along the curve. The acoustic wave absorption section realizes efficient broadband sound absorption through the filled sound absorption materials and the arranged periodic local oscillators along an ultralong path of acoustic wave absorption labyrinth passage.

Abstract: The miniature aromatherapy diffuser comprises a main shell and a perfume bottle assembly, a heating body fixed seat is arranged in the main shell, one end of the heating body fixing seat is provided with a connecting cavity, and the other end is detachably assembled with a heating body; a PCB assembly is arranged on the heating body fixing seat, and both sides of the heating body are provided with electrodes connected with the PCB assembly. The perfume bottle assembly comprises a bottle body and a cotton bar, the bottle body is connected with the connecting cavity, one end of the cotton bar extends out of the mouth of the bottle body and extends into the heating body; a fragrance emitting area is arranged on the main shell, and the main shell is also provided with a rotary plug socket.

Abstract: Embodiments of the present disclosure relate to a method and apparatus for processing a video frame. The method may include: acquiring a sequence of video frames of a video; ascertaining, in the sequence of the video frames, a previous frame, and ascertaining, in the sequence of the video frames, a subsequent frame corresponding to the ascertained previous frame based on acquired number of frames from the previous frame to the subsequent frame. An update step is performed as follows: acquiring object regions detected respectively in the ascertained previous frame and the ascertained subsequent frame, and confidence levels of the object regions; fusing a confidence level of a first object region and a confidence level of a second object region, and updating the confidence level of the second object region based on the fusion result; and updating the ascertained previous frame and the ascertained subsequent frame.

Abstract: An aeronautical aluminum alloy minimum-quantity-lubrication milling machining device includes a machine tool worktable and spindle connected with a machine tool power system. The spindle is connected with a tool holder that is fixed with a cutting tool. The machine tool worktable is provided with a machine tool fixture, the tool holder is connected with a minimum-quantity-lubrication mechanism, the machine tool fixture includes a fixture body that is fixedly provided with a limit block for contact with two adjacent side surfaces of a workpiece, the fixture body is provided with a plurality of clamping elements capable of pressing the workpiece against an upper surface of the fixture body, and a top of the clamping element is provided with a detection member for detecting a relative position between the clamping element and the spindle. The device can avoid interference and contact between a nozzle and the clamping element.

Abstract: An apparatus includes a housing, a crucible disposed in the housing, and a collection bin. A turnplate disposed in a powder collection area is of an inlaid structure. A concentric circular groove is provided on the atomization plane. An air hole is provided in the turnplate. The present invention combines the pulsated orifice ejection method and the centrifugal atomization method, in cooperation with the turnplate structure and subjecting the turnplate surface to induction heating, so that a metal liquid is allowed to break through the split mode of traditional molten metal, achieves a fibrous split mode that can be implemented only when an atomizing medium is an aqueous or organic solution, and prepares a high-melting-point metal powder that meets requirements, and has a controllable particle size, high sphericity, no satellite droplets, and good flowability and spreadability, and is suitable for industrial production.

Abstract: Components made of a metal matrix composite and methods for the manufacture thereof. The metal matrix composite contains TiB2 particles, Al3Ti particles, and particles of an intermetallic compound of aluminum and at least one rare earth element dispersed in an aluminum matrix. Methods include casting a first melt to produce an ingot, remelting the ingot to form a second melt, forming a powder from the second melt using an atomization process, and fabricating a component utilizing the powder in an additive manufacturing process. The ingot and the powder include an aluminum matrix that contains dispersions of TiB2 particles and Al3Ti particles.

Abstract: A broadband ultrathin acoustic wave diffusion structure has a plurality of acoustic wave diffusion units. Each acoustic wave diffusion unit has at least one acoustic wave propagation section, and an acoustic wave focused section communicating with the acoustic wave propagation section is arranged according to needs. The acoustic wave focused section is formed by an acoustic wave focused cavity filled with acoustic material. The acoustic wave focused cavity is a variable-section cavity. The acoustic wave propagation section is formed by a simply connected acoustic wave propagation passage with a close end. Different acoustic wave diffusion units have different lengths of the simply connected acoustic wave propagation passages. The maximum length of the simply connected acoustic wave propagation passage may be dozens or even hundreds of times of the thickness of the acoustic wave diffusion structure, which can meet the diffusion requirements for low frequency acoustic waves to the maximum extent.

Abstract: An apparatus efficiently preparing ultrafine spherical metal powder includes a housing, a crucible and a powder collection area arranged in the housing. The turnplate arranged in the powder collection area is an inlaid structure. The part inlaid into the body part acts as an atomization plane of the turnplate. The atomization plane is provided with a concentric circular groove, and the turnplate is provided with an air hole. The apparatus is used for preparing ultrafine spherical metal powder by on-by-one droplets centrifugal atomization method, mainly combining the uniform droplet jet method and the centrifugal atomization method, which breaks through the traditional metal splitting model, makes the molten metal in a fibrous splitting, so as to efficiently prepare ultrafine spherical metal powder with narrow particle size distribution interval, high sphericity, good flowability, excellent spreadability, uniform and controllable size, no satellite droplets and suitable for industrial production.

Abstract: This invention discloses a semi-active rigid-flexible coupling exoskeleton based on a single-loop bidirectional damping regulator and relates to a power assisting mechanism in the field of robots, the exoskeleton including a waist assembly, a leg assembly, and a hydraulic damping regulator; the hydraulic damping regulator includes a cylinder body, a titanium alloy sleeve, a cylinder head, a piston, an extension assisting spring, an oil injection port plug, a staggered channel-type valve body, a valve body sealing seat, a valve body-end bevel gear, an angle sensor, a motor fixing seat, a DC servo motor, a coupler, and a motor-end bevel gear. According to the invention, two modes of power assistance or damping regulation, i.e.

Abstract: The present invention relates to a powder dry-pressing molding device and method.

Abstract: The present invention discloses a same-cavity integrated vertical high-speed multistage superfine pulverizing device and method for walnut shells. The same-cavity integrated vertical high-speed multistage superfine pulverizing device for walnut shells includes a double-channel sliding type feeding device and a same-cavity integrated vertical pulverizing device. The same-cavity integrated vertical pulverizing device includes a material lifting disc and a same-cavity integrated vertical pulverizing barrel. A first-stage coarse crushing region, a second-stage fine crushing region, a third-stage pneumatic impact micro pulverizing region and a fourth-stage airflow mill superfine pulverizing region are disposed in the same-cavity integrated vertical pulverizing barrel.

Abstract: An alumina ceramic integrated hot press molding machine and working method thereof, including a pressing and hot pressing device fixed accordingly on a rack, a stirring device inside the hot pressing device, and a hot pressing mold above the hot pressing device; the pressing device enables one path of high-pressure air to act on the mold, and enables the other path to enter the hot pressing device, so the slurry flows into a cavity of the mold; the stirring device stirs the slurry inside the device, so alumina blanks are more evenly distributed therein; and temperature detection components for detecting the temperature of internal oil and the slurry at a slurry outlet are inside the hot pressing device, and the power of an electric heating device is adjusted and controlled in real time according to the temperature detected by the components, to achieve the purpose of accurate temperature control.