242results about How to "Strong weight" patented technology

The invention discloses an efficient graphene-based cooling coating as well as a preparation method and application thereof. The coating mainly consists of graphene composite powder, a filler, a high-molecular binder and a solvent, wherein the graphene composite powder mainly consists of thin-layer graphene and carbon black; the carbon black is mainly dispersed among the thin-layer graphene. Further, the graphene composite powder is formed by ultrasonically dispersing and mixing the thin-layer graphene powder and the carbon blank and then drying. When the coating is coated on the surfaces of devices, the surface cooling efficiency of the devices can be remarkably improved and the cooling ability of the cooling devices is greatly enhanced; the coating is antiseptic, waterproof, antifouling, stable in cooling property and free of being influenced by surrounding medium, and has wide application prospect and practical value in the electronic cooling field; meanwhile, the coating preparation process is simple, low in cost and suitable for large-scale production.

The invention discloses a sludge treatment method, as well as sludge foamed lightweight concrete produced through the method and application thereof. In the method, sludge produced by sewage treatment first reacts with quicklime so as to form sludge hydrated lime; then the sludge hydrated lime is mixed with cement and water so as to form sludge concrete; foaming agent produces foam by utilizing a foaming system of a foaming machine; and the foam is mixed with the sludge concrete. The sludge treatment method can directly obtain the sludge foamed lightweight concrete. The sludge foamed lightweight concrete has a plurality of functions, which can be used as a filling material, a heat insulating material, a walling material, a sound insulation material, a mine tunnel filling material, an artificial landscape manufacturing material, a road recovery material, a pipe base filling material and the like. The sludge treatment method is low in cost and friendly to environment, can directly produce the sludge foamed lightweight concrete with a plurality of functions, and not only solves the sludge treatment problems in the sewage treatment industry, but also ensures the full utilization of the sludge.

The invention belongs to the technical field of composite materials, which relates to a composite puncture-proof sheet comprising fabric 2 and a composite coating 1 which is coated on the surface of the fabric 2 and composed of a bonding matrix material 3 and a microbead material 4 dispersing in the bonding matrix material 3, wherein the parts by mass of the microbead material 4 in the coating is in a range between 10% and 70%, and the microbead material 4 is light in weight and strong in designability and can effectively improve protection ability under equal weight conditions. The composite puncture-proof sheet has good puncture-proof ability and a bulletproof function, and effects are better when a plurality of layers are used. Compared with the traditional material, under same level of protection, the composite puncture-proof sheet can substantially lighten equipment weight, reduces thickness and lowers cost. The composite puncture-proof sheet and the bulletproof puncture-proof composite material are applicable to protective inner containers of flak suits, puncture-proof suits or flak-and-puncture-proof suits for personnel protection of privates, policemen, various security personnel and special groups, and can also be used for manufacturing and processing protection tools such as anti-explosion blankets and anti-explosion tents.

The invention relates to a wind turbine including at least two blade units. Each blade unit has a pitch controlled wind turbine blade and at least one pitch bearing including at least one outer ring, at least one centre ring and at least one inner ring. The wind turbine further includes a hub comprising a mount area for each of the blade units (31). The mount area comprises at least two concentric load transferring surfaces for attaching the blade unit, via the at least one pitch bearing.

The invention further relates a hub and a use hereof.

The present invention discloses a scented straw cat litter made by wheat straws and a method thereof. The scented cat litter is manufactured by weight percentage by the following materials of 40-60 parts of wheat straws with a smashing mesh number being 40-70, 40-60 parts of wheat shorts, 1-3 parts of Sesbania gelatine powder, 0.5-2 parts of salt, 0.1-0.5 parts of a bio-enzyme preparation, and 10-25 parts of water. The method comprises mixing the bio-enzyme preparation, the salt and the water with stirring; mixing and stirring the wheat straw powder, the wheat shorts and the Sesbania gelatine powder to be uniform; comprehensively mixing the above raw materials with stirring; sending the mixed materials by a feed screw to a roller couple extrusion pelleting machine for roll extrusion to form pellets; transmitting the formed material pellets to a crushing and screening all-in-one machine for screening; and drying, cooling and packaging the screened pellets at normal temperature. The cat litter provided by the present invention has a strong water absorption capability and deodorization capability, can be flushed into the sewer without causing blockage, is convenient to clean, can be used as a fertilizer for grass and flowers, and is saving in using amount, high in cost performance, small in dust in a production process, and low in production cost. Products of different shapes can be produced by replacing pressing rollers of different patterns, thereby achieving multiple uses in one machine.

The invention belongs to nondestructive detection technology for magnetic flux leakage of a steel wire rope, relates to an on-line magnetic flux leakage detection probe for the steel wire rope. The on-line magnetic flux leakage detection probe comprises an open-close magnetic flux leakage detection assembly and a floating track mechanism. The floating track mechanism comprises a pedestal, a change-over base, a first linear guide rail, an installation plate, and air cylinder and a second linear guide rail. The magnetic flux leakage detection assembly realizes real-time tracking for the postures of the steel wire rope through the floating track mechanism. The floating track mechanism can realize cohesion detection and opening restoration for the steel wire rope. The detection probe provided by the invention integrates the functions of magnetization and signal output, has the advantages of small size, light weight, strong universality, low cost and the like, and can be suitable for some to-be-detected components with large swing amplitude and fast speed change. The probe is in a split structure but can form a through type probe during a work process, has the effect close to that of through type solenoid coil magnetization, and particularly can realize the nondestructive detection requirements of components such as end-free or two-end anchorages and the like under the conditions of high speed and large swing.

The present invention is an attachable rolling plate assembly which can be attached as a single unit to a portable cutting tool to facilitate the safe rolling movement of the portable cutting tool on the workpiece. The invention comprises a frame assembly formed from a single piece of molded material such as fiber enriched plastic having a pair of oppositely disposed longitudinal sidewalls with stabilizer fins extending therefrom, and a flat base portion having a pair of parallel stabilizer tubes molded therein. The invention further includes an adjustable bevel gear assembly by which the angle of orientation of the cutting blade can be quickly changed. The invention also includes a cutting guide assembly to facilitate a straight cut, reduce torsional rotation of the saw blade and reduce kickback of the saw.

The invention discloses coated cloth with high strength for railway wagon tarp and making method thereof. The coating cloth includes high-strength and low-shrinkage terylene continuous filament yarn base cloth and PVC coating agent coated on the base cloth. The method comprises employing 800D-1300D high-strength and low-shrinkage terylene continuous filament yarns as warp yarn and weft yarn, or warp yarn, weft yarn and reinforced rib to make the base cloth; making base material and facing material of the PVC coating agent by PVC paste resin, plasticizer, temperature depressing plasticizer, stabilizer, flame retardant, stuffing, aging resistance agent, milew-proof agent and dye; evenly coating the base material on two sides of the base cloth with vertical coating method, and dyeing; coating one layer of facing material on vertically-coated two sides of the cloth by horizontal coating method, and tentering, plasticizing, drying, then performing surface treatment to make the coated cloth with high strength special for railway wagon tarp. The product of the invention has advantages of good stability, high strength, light weight, aging resistance, water-proof, dirt-proof, milew-proof, flame-proof, splite-proof performances, good weathering resistance and stripping performance. The method of the invention is simple, use and operation are convenient.

The present invention is an attachable rolling plate assembly which can be attached as a single unit to a portable cutting tool to facilitate the safe rolling movement of the portable cutting tool on the workpiece. The invention comprises a frame assembly formed from a single piece of molded material such as fiber enriched plastic having a pair of oppositely disposed longitudinal sidewalls with stabilizer fins extending therefrom, and a flat base portion having a pair of parallel stabilizer tubes molded therein. The invention further includes an adjustable bevel gear assembly by which the angle of orientation of the cutting blade can be quickly changed. The invention also includes a cutting guide assembly to facilitate a straight cut, reduce torsional rotation of the saw blade and reduce kickback of the saw.

A method for determining at least one process variable of a product contained in a tank, comprising acquiring a set of distance pairs, each pair including a first distance measure of the distance to a surface of the product and a second distance measure of the distance to a fixed location in the tank beneath the product surface, each distance pair being acquired by emitting microwaves into the tank, and allowing them to propagate towards the product, receiving reflected waves from the tank, including an echo from the product surface and an echo from the fixed location, and determining said first and second distance measure based on the emitted and received microwaves. The distance pairs are used to calculate at least one of the actual distance to the fixed location and a delay factor of the product, based on a relationship between the distance to the product surface, the actual distance to the fixed location, the distance measure of the distance to the fixed location, and the delay factor.

The invention discloses a substrate integrated waveguide sinusoidally modulated leaky wave antenna, which aims at providing a simple power feeding, and u -1 order harmonic wave radiation utilizing leaky wave antenna. The invention is realized by the following technical scheme: A metal radiation patch array is arrange at that center of the upper surface of the antenna dielectric plate, a cop clad sheet sandwiched on the interface surface of the waveguide dielectric plate and the antenna dielectric plate is formed with a rectangular slot array corresponding to the metal radiation patch array, and the rectangular slot array couples electromagnetic energy from the waveguide to the metal radiation patch array above the antenna dielectric plate to realize linear polarization radiation; A lineararray metallize shielding via through that waveguide dielectric plate is for on both sides of the rectangular slot array from top to bottom, and a metal coupling probe through the waveguide dielectricplate is arranged on the inn sides of the contracted linear array at both ends of the linear array metallized shielding via; A sinusoidally modulated leaky wave antenna with field intensity on the plane of antenna dielectric plate is realized by exciting the substrate integrated waveguide with metal-coupled probes and U-shaped slots on the copper clad substrate.

The invention discloses a mobile multifunctional laboratory workbench, and belongs to the field of laboratory equipment. The mobile multifunctional laboratory workbench comprises a body support, and a middle table board is arranged on the top face of the body support. Side table boards are hinged to the left end and the right end of the middle table board respectively. Drawer mounting racks capable of being pushed and pulled in the left-right direction are arranged on the left side and the right side under the middle table board respectively. The drawer mounting racks are provided with drawers capable of being pushed and pulled. The drawer mounting racks can be overturned when being pulled out and are used for supporting the side table boards. A lifting platform is arranged at the middle position of the middle table board. The top face of the lifting platform is flush with the middle table board, and the lifting platform can stretch out of the middle table board by a certain distance in an upward mode. A tool storage rack capable of freely rotating by 360 degrees is pivoted into the lifting platform. The mobile multifunctional laboratory workbench is elaborate, reasonable and creative in design and has the characteristics of being low in weight, high in bearing capacity, adjustable in height, extensible in table board, capable of saving space, convenient to move, reliable in locking and the like, thereby being suitable for various operations and suitable for being used by multiple people at the same time.

The invention discloses an integrated data collector and a data consistency verification and test method thereof. The integrated data collector comprises a power supply module, a data collection module, a data processing module, a communication module and a storage module; the data collection module comprises an FPGA module, an AD module and a sensing element which are connected successively; theFPGA module is provided with MVB and/or WTB network data collecting interface(s); the communication module comprises an Ethernet/WIFI control interface connected with a peripheral PC and/or mobile terminal to realize control, configuration and data interaction of the collector; the storage module is connected with a U-disk/hard-disk interface in the data processing module; and the data processingmodule is connected with an Ethernet monitoring port for monitoring real-time Ethernet, collecting data of a train and parsing protocols. The collector can be used to collect different types of data,is small in size, portable, and capable of remote control, long-time data test and recording.

The invention discloses a lightweight flexible LSOH (Low Smoke Zero Halogen) fire-resistant low-voltage marine cable and a process flow thereof. The lightweight flexible LSOH fire-resistant low-voltage marine cable comprises a tin-plated flexible conductor, a ceramic silicone rubber insulating layer, an LSOH flame-retardant filling material, an LSOH wrapping tape layer, an LSOH flame-retardant isolating sleeve, a metal braid armor shielding layer and an LSOH flame-retardant protection sleeve. The cable disclosed by the invention has the advantages of heat insulation, fire insulation, waterproofness, shock resistance, low thermal weight loss, low smoke, zero halogen, flame retardance and the like. In case of a fire, a hard shell formed by the insulating layer can take good effects of flame retardance, fire resistance, fire prevention and fire insulation and effectively ensures smoothness of a line. The cable has the advantages of being flexible, small in size, light in weight and excellent in mechanical property and electrical property, meets the requirement of a complex laying environment in a ship, can effectively save a ship space and reduce a light ship weight of the ship and improves a cargo dead weight of the ship.

The invention relates to an environmental-friendly thermal insulation waterproof nanometer water-based coating, which comprises the following substances in parts by weight: 20-50 parts of ethylene-vinyl acetate copolymer EVA and acrylic copolymer emulsion, 10-30 parts of kieselguhr, 10-30 parts of nanometer SiO2, 0.1-1 part of pH value regulator and 5-20 parts of water. The coating, provided by the invention, has the advantages of strong weather resistance and adhesion force, good environmental-friendly property, good thermal insulation water resistance, and wide application range, and can be used in multiple fields.

The invention relates to a millimeter wave sensor and an intelligent detector. The millimeter wave sensor includes a signal generator, a transceiver integrated chip, a bandpass filter, an amplifier, an A/D converter and a digital signal processor connected in sequence. Compared with the existing 24/77GHz millimeter wave sensor, the millimeter wave sensor has higher signal frequency, strong beam directivity, strong anti-interference ability, small size and light weight; in addition, it adopts the transceiver integrated chip based on SiGe process Compared with the sensor composed of discrete devices, it has the advantages of simple structure, small size and portability, convenient mass production, and low cost, which greatly improves the adaptability of the sensor and provides strong technical support for the increasingly complex information detection environment in the future.

The invention provides a micro hollow fiber thermal insulating coating for buildings and an application method thereof. The micro hollow fiber thermal insulating coating for buildings is divided into a I-type single-component micro hollow fiber thermal insulating coating for buildings and a II-type double-component micro hollow fiber thermal insulating coating for buildings, and is used as an exterior wall thermal insulating coating or used to pipes and other various places needing coating the thermal insulating coating. The coating is added with super hollow fibers and aramid fibers with high-temperature resistance, acid and alkali resistance and light weight, so that the coating has the advantages of low thermal coefficient and heat storage coefficient, obvious heat retaining effect, nontoxic formula, environmental protection, excellent fire resistance, super-strong chemical stability, high cohesional strength, noise removal, high cost performance, long service life, wide application, simple and easy construction, good effect, labor and physical resource conservation, and obvious economic and environment-friendly benefits.

The invention discloses an image retrieval method based on weight learning hypergraphs and multivariate information combination. The method includes firstly, extracting multivariate characteristics of images of an image database, and establishing distance matrix of different characterized spaces; presenting the image database in a manner of hypergraph structures according to the distance relations of images, and calculating parameters of the hypergraphs; focusing on specific retrieval sample images, calculating the initial label vectors according to the semantic space distances of images of the database and sample images, and combining the correlation of the images of the hypergraph structures, the consistence of the image ranking result and the initial label vectors and hyperedge weight learning performance of the hypergraphs through a normalized frame, and adjusting the effects thereof through the normalized parameters; finally figuring out the optimization problem of the normalized frame by the alternating optimization algorithm, and completing the hyperedge weight learning update while acquiring the optimization retrieval ranking results of the sample images.

The invention provides a compound ejector and relates to a fluid mixing element for fluids. A central ejector of the compound ejector is coaxially arranged in an annular ejector; outlets of the central ejector and the annular ejector are communicated with a main mixing chamber and a main mixing tube; a first main fluid is ejected from the top of the central ejector to an inlet of a central mixing tube through a central nozzle, is utilized to inject a secondary fluid entering into a central mixing chamber from a surrounding inlet at the top of the central ejector into a central mixing tube and is mixed with the secondary fluid; a second main fluid is ejected from a side position at the top of the annular ejector to an inlet of an annular mixing tube through an annular nozzle, is utilized to inject the secondary fluid entering into an annular mixing chamber from an inlet on the side position on the upper part of the annular ejector into the annular mixing tube and is mixed with the secondary fluid; and an ejected fluid at the outlet of the central mixing tube in the main mixing chamber is utilized to inject the ejected fluid at the outlet of the annular mixing tube into the main mixing tube and is mixed for the third time, thereby finishing the mixed fluid conveying in a way that the high-pressure main fluid pumps the low-pressure secondary fluid. The compound ejector is short in axial size and high in pumping and ejecting efficiency.

The invention provides a cabin of an underwater detecting instrument. The cabin of the underwater detecting instrument has certain anti-pressure ability at a great depth underwater and cannot be deformed obviously. The cabin is formed by at least two high strength spherical cabin bodies in a nested mode, the cabin bodies are connected through elastic buffer devices, and the interlayer formed between the cabin bodies is filled with liquid state substances. By the adoption of the structure, the problem that a cabin of the underwater detecting instrument can be damaged due to deepwater pressure in the prior art is solved, and thus the safety of important instrument equipment and personnel in the cabin can be guaranteed.

A zoom lens for projection consists of a negative first lens group, which is fixed during magnification change, a middle group, which includes plural lens groups that move during magnification change, and a positive last lens group, which is fixed during magnification change, in this order from a magnification side. A reduction side is non-telecentric. Both of a lens group closest to the magnification side and a lens group closest to the reduction side in the middle group have positive refractive power, and move from the reduction side toward the magnification side during magnification change from a wide-angle end to a telephoto end. The last lens group includes at least two positive lenses and at least two negative lenses. A positive lens is arranged closest to the reduction side in the last lens group. A predetermined conditional expression about a focal length of the last lens group is satisfied.

The invention discloses a floor type airplane ground air conditioning unit and a control method thereof. The floor type airplane ground air conditioning unit comprises a framework structure, an air conditioner air supply system, a refrigerating system, a heating system and an automatic control system, wherein the refrigerating system is a multistage refrigerating system and comprises a first refrigerating system, a second refrigerating system, a third refrigerating system and a fourth refrigerating system; frost is synchronously removed by skillfully arranging the position of a hot air bypass solenoid valve. The floor type airplane ground air conditioning unit has the functions of preventing formation of the frost and automatically removing the frost; each refrigerating system can be put into operation at a highest refrigerating speed; the whole unit can be used for outputting and refrigerating by the highest refrigerating capability after the quick start is completed, thereby ensuring that a cabin of an airplane landing on an airplane boarding bridge can be fastest and best refrigerated in a short time7.