216results about How to "Strong retention" patented technology

A utility holder which may be used to retain utility lines may include a holder having a first portion having at least two pairs of fingers defining at least two receiving sections wherein the receiving sections may be sized to accept utility lines; a second portion having a base wherein the pairs of fingers extend from the base with the longitudinal axes of the receiving sections being substantially parallel.

The invention discloses a method for producing a diamond tool for grinding a concrete floor, which comprises the following steps: proportional irregular glomerocryst diamond and man-made diamond are uniformly distributed on the surface of a tire casing; a gap between the diamond is filled with metallic bond, and according to the ratio by weight, the metallic bond comprises 40 to 70 percent of cobaltco, 10 to 20 percent of copper, 15 to 20 percent of tungsten carbide, 5 to 10 percent of stannum and 0.5 to 3 percent of trace element; the operation of cold press molding is carried out, sections formed by the cold press molding are delivered to a vacuum hot press sintering furnace to be sintered, and the temperature is kept from 850 DEG C to 900 DEG C and the pressure from 10 to 15 tons; and the sintered sections are welded on a metal base body. The diamond tool produced by the method not only can increase the grinding efficiency and maintain the stable performance, but also can greatly prolong the service life.

The invention relates to innovative menthol derivatives which are represented by the general formula (I) below and are excellent in a cooling effect and cool retaining effect, cooling agent compositions comprising the menthol derivatives, and sensory stimulation agent compositions containing the cooling agent compositions, as well as fragrance compositions, beverage or food products, cosmetic products, toiletry products, bathing agents, and pharmaceutical products containing the cooling agent compositions or sensory stimulation agent compositions. (general formula (I)) wherein R<1> represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, or an acyl group having 1 to 5 carbon atoms; R<2> and R<3> independently represent an alkylene group having 2 to 5 carbon atoms and optionally having a substituent; double dotted line represents a single bond or a double bond; and n is an integer of 1 to 3.

A preparation method of an underwater ultraoleophobic and under-oil ultrahydrophobic membrane and a method of continuously separating a light-oil/water/heavy-oil mixture therewith. The invention relates to a preparation method of oil-water separation membrane and is direct at solving the problems that a membrane product in the prior art cannot be used for continuously separating a light-oil/water/heavy-oil three-phase mixture by single membrane through gravity, is high in preparation cost, has complex process, has disadvantage on industrial production and has poor chemical stability. The preparation method includes the steps of: 1) preparing a net-shaped base material; 2) preparing a coating dispersion liquid; and 3) performing spray coating. The method of separating the light-oil/water/heavy-oil mixture includes the steps of: 1) pre-wetting; and 2) continuous separation of the light-oil/water/heavy-oil mixture. The invention provides the preparation method of the underwater ultraoleophobic and under-oil ultrahydrophobic membrane and the method of continuously separating the light-oil/water/heavy-oil mixture therewith.

The invention relates to an expansion and solidification type plugging agent which comprises the following components in parts by weight: 0.5-2 parts of a calcium sulphoaluminate expanding agent, 1-4 parts of polypropylene fibers, 0.1-1 part of a water adsorption expansion type polymer, 1-5 parts of super absorbent resin SAP, 2-6 parts of puffed starch, 2-6 parts of salt-resistant clay, 20-40 parts of calcium carbonate and 0.1-0.5 part of high viscosity polyanionic cellulose PAC-HV. The preparation method comprises the following steps: sequentially adding the components in parts by weight to a kneading machine by a conventional preparation method under normal temperature and pressure; uniformly mixing and stirring; and crushing to a particle product with the grain size of 0.01-0.5mm till being dried. The plugging agent provided by the invention has the characteristics of high expansion rate, viscous flow capacity, plugging capacity, strong salt-resistance, flowability, pumpability, good coagulability, simple process, safe and quick construction, long coagulability, wide source of raw materials, high plugging success rate and the like, and is widely applied to plugging processes of large pore paths, subterranean rivers and great Karst cave leakage strata in petroleum and geological drilling.

The invention discloses a diamond fret saw and a manufacture method thereof. The diamond fret saw comprises a metal base line body and diamond particles embedded on the surface of the metal base line body, wherein the metal base line body comprises a core body, a sand-planting layer and a nickel base layer, wherein the core body consists of carbon steel and has a diameter of 0.1-0.4mm; the sand-planting layer covers the surface of the core body and has a thickness of 0.001-0.04mm; and the nickel base layer covers the surface of the sand-planting layer and has a thickness of 0.001-0.05mm, the nickel layer comprises nickel or a first nickel alloy, the first nickel alloy comprises one or more of Co, W, Fe, Al, Mo, Nb, Si, Ti, V, Y or Zr, and a groove is formed on the surface of the sand-planting layer and is internally provided with the diamond particles. By using the diamond fret saw disclosed by the embodiment of the invention, because the sand-planting layer with the groove covers outside a steel wire, processing rate of electroplating the diamond particles can be increased and service life of the diamond fret saw can be remarkably prolonged.

An elastic drawstring for use in a plastic liner bag is disclosed. The drawstring is elongated and then relaxed to secure the top of the bag to a receptacle and subsequently used to close the bag when filled. The drawstring is formed from an elastomeric polyolefin, preferably a linear low density polyethylene, and contains material comprising polypropylene. The polypropylene addition provides the drawstring with improved modulus or stiffness and improved tensile yield. Improving these properties gives the drawstring a stronger holding force for maintaining the bag in the receptacle and in a closed position when the bag is removed from the receptacle. In addition, the top of the bag has perfed notches at each side that break away to expose the ends of the elastic drawstrings when the consumer stretches the drawstrings around the top of the receptacle. These perfed notches allow for easier manufacturing of the bag.

The invention discloses a principal component analysis-based imaging spectral image super resolution restoration method. The method includes the steps of principal component analysis, gray mapping and MAP-based first principal component super resolution restoration and all-band super resolution restoration of an imaging spectral image. According to the principal component analysis-based imaging spectral image super resolution restoration method, the effective information of the imaging spectral image is concentrated on a first principal component through PCA transform, with the super resolution restoration of the first principal component simply realized, the spatial resolution of all bands can be improved, and therefore, the amount of computation is small; mapping from panchromatic image high-frequency information to a first principal component image can be realized through establishing a gray mapping model and based on the correlation between the first principal component and a panchromatic image after the PCA transform, and the quality of a reconstructed high-frequency information can be further improved through MAP constrained optimization; and therefore, high-frequency information of the panchromatic image can be fully utilized, and the introduction of wrong information can be avoided, and the quality of a reconstructed high-resolution image can be ensured, and the problem of spectrum distortion caused by independent operation of each band can be effectively solved.

A magnetic substance holding device includes: a first pole piece assembly including a first N-pole piece, a first S-pole piece, and a first permanent magnet; a second pole piece assembly including a second N-pole piece, a second S-pole piece, and a second permanent magnet; at least one first coil; at least one second coil; and a control device controlling current applied to the first coil and the second coil so as to control magnetic fluxes passing through the first coil and the second coil, thereby allowing the first pole piece assembly and the second pole piece assembly to switch between the first arrangement and the second arrangement, to control magnetic fluxes passing through the holding faces of the first pole piece assembly and the second pole piece assembly.

The invention discloses a multi-unmanned-aerial-vehicle communication relay platform collaborative autonomous layout method. The method comprises the following steps of A, multi-unmanned-aerial-vehicle relay platform collaborative system and frame design; B, communication geographical environment and communication electromagnetic environment modeling; and C, multi-unmanned-aerial-vehicle collaborative relay node position planning. The multi-unmanned-aerial-vehicle communication relay platform collaborative autonomous layout method has the advantages that an unmanned aerial vehicle is utilizedas a communication relay platform, the mobility and autonomy advantages of the unmanned aerial vehicle are fully utilized, a complex terrain environment and electromagnetic propagation can be modeled,the scientific model support is provided for communication relay node position planning, and relay node position planning is carried out by adopting a heuristic algorithm, thereby improving the real-time performance and effectiveness of the algorithm; a distributed task allocation and unmanned aerial vehicle control method is adopted, autonomous mobile characteristics and team advantages of a multi-robot system can be fully utilized, so that the application range of a relay system is more extensive, the communication maintaining capacity is stronger, and the layout of nodes is quicker and more efficient.

The invention relates to a complete denture and a preparation method thereof, which belongs to the technical field of oral repairing. The denture comprises a foundation support and artificial teeth; the foundation support of maxillary artificial teeth comprises an upper alveolar crest top area and an alveolar crest side area, the artificial teeth are arranged on the foundation support of the upperalveolar crest top area, and the alveolar crest side area is disposed in an a curved area of the upper alveolar crest top area; a foundation support portion, facing the front side of the oral cavity,of the outer portion of the upper alveolar crest top area is made of silicone rubber; the foundation support of the underjaw artificial teeth comprises a lower alveolar crest top area and a retromolar pad area, the artificial teeth are arranged on the foundation support of the lower alveolar crest top area, and the retromolar pad area is disposed on an end of a curve of the lower alveolar crest top area; and the foundation support portion, facing the front side of the oral cavity, of the outer portion of the lower alveolar crest top area is made of silicone rubber, and the end of the retromolar pad area is made of silicone rubber. The soft silicone rubber on the edge of a specific portion can increase the fixation force, so that a repairing opportunity can be provided for a patient with apoor alveolar crest condition.

The present invention provides a tackifier that is a raw material of an adherence adhesive having good adhesion performance (in particular, holding power) for all members and can be used for various adherence adhesives, and a tackifier emulsion capable of being used for various aqueous adherence adhesives. The tackifier and the tackifier emulsion including a rosin resin wherein a ratio of the content of a component with a molecular weight of at most 300 comprised in the rosin resin to the softening point of the rosin resin (the content (% by weight) of a component with a molecular weight of at most 300/softening point (K)) is at most 0.004; and the adherence adhesive composition including the tackifier; and the aqueous adherence adhesive composition including the tackifier emulsion.

The invention provides an interference screw for the department of orthopaedics. The interference screw for the department of orthopaedics comprises a head end, a threaded section and a tail end, wherein the head end, the threaded section and the tail end are fixedly connected in sequence; the outer surface of the head end and the outer surface of the tail end are smooth. The interference screw for the department of orthopaedics aims to overcome the defects in the prior art, is used for rebuilding and restoring an articular ligament, enhances connection firmness, reduces the cutting effect on muscle tendons and improves the treatment effect on the rebuilt ligament.

A duct holding structure includes insulating resin busbar modules (11a, 11b) which are attached to a battery assembly body (2) in which plural batteries (1) are arranged and connected to each other in series, and hold busbars (9) each of which connects electrodes of adjoining ones of the batteries (1); and an insulating resin duct (3) which is attached to the battery assembly body (2) while covering gas vents that are formed through an electrode surface (6) from which the electrodes of the batteries (1) project. The duct (3) and the busbar modules (11a, 11b) are provided with lock mechanisms (23) which lock the busbar modules (11a, 11b) on the duct (3).

The purpose of the present invention is to provide a pressure-sensitive adhesive sheet which is excellent in terms of level difference conformability and blistering resistance and which has an excellent balance among pressure-sensitive adhesive properties (adhesive force, holding power), moist-heat resistance, and blistering resistance and has a high level of reliability. The pressure-sensitive adhesive sheet according the present invention includes a pressure-sensitive adhesive layer which comprises a crosslinked resin obtained from a functional-group-containing acrylic resin (A) and a crosslinking agent (B) and which further includes an ethylenic compound (C) having one ethylenically unsaturated group, the functional-group-containing acrylic resin (A) having a glass transition temperature of -35 DEG C or higher.

The invention aims to provide a mould for cold forging and a manufacturing method thereof, and inhibits sticking a finished produced forged by the mould for the cold forging through preventing abrasion or peeling of a hard membrane formed on the surface of the mould for the cold forging. The mould for the cold forging comprises a single-layer or multi-layer membrane arranged on a design surface of the mould, and the membrane is formed by one, two or more than two substances selected from the following cluster, wherein the cluster comprises carbide, nitride or carbonitride containing one, two or more than two metals in 4A family, 5A family and 6A family, and nitride containing one, two or more than two metals in the 4A family, the 5A family and the 6A family and one or two elements of Si and Al, wherein the 4A family means Ti, Zr and Hf; the 5A family means V, Nb and Ta; the 6A family means Cr, Mo and W; the surface roughness Ra of the membrane measured from any direction is more than or equal to 0.05 micron or less than or equal to 0.50 micron.

The present invention relates to a 1,2,3,4,6-O-pentagalloylglucose molecular imprinting monolithic column preparation method, which comprises: using 1,2,3,4,6-O-pentagalloylglucose as a template molecule, using a ternary pore forming agent N,N-dimethylformamide, dimethyl sulfoxide and 1-butyl-3-methyl tetrafluoroborate as a solvent, adding a functional monomer, a cross-linking agent, metal ions, a methyl ether methacrylate oligomer and an initiator, carrying out ultrasonic dissolution, inflating nitrogen, removing dissolved oxygen, and carrying out a polymerization reaction in a water bath so as to finally obtain the 1,2,3,4,6-O-pentagalloylglucose molecular imprinting monolithic column having selectivity. According to the present invention, the imprinting factor of the method can be up to 73.9, the method can be used for solid phase extraction, and the selective purification of the 1,2,3,4,6-O-pentagalloylglucose can be achieved; and the printing polymer has characteristics of simple preparation and good durability, and can be adopted as the solid phase extraction filler so as to provide the effect method for the separation and purification of the 1,2,3,4,6-O-pentagalloylglucose (the purity is greater than 98%).