236results about How to "Wide range of uses" patented technology

The invention belongs to the technical field of building materials, and particularly relates to an energy-saving and waste-utilizing concrete block or board and a production method thereof. The energy-saving and waste-utilizing concrete block or board is composed of desulfurization gypsum, slag powder, ultrafine fly ash, cement, foaming agent, alkaline excitant, early strength agent, water reducer, mineral fiber and triethanolamine. The desulfurization gypsum is cold-dried. By the energy-saving and waste-utilizing concrete block or board, industrial waste such as the desulfurization and the slag powder can be consumed in a large amount and turned into treasure, and environmental pressure caused by stacking of the waste can be relieved. In addition, steam conservation is adopted, strength development of concrete block and board is accelerated, and early strength is improved greatly, so that reuse of moulds can be quickened, conservation space is economized, and the energy-saving and waste-utilizing concrete block or board is suitable for industrial production. Foamed concrete block and board produced has fine performances of light weight, heat insulation, sound absorption, flame retardancy and the like. The energy-saving and waste-utilizing concrete block or board is applicable to projects such as roof insulation, wall insulation, road sound absorption and building sound insulation.

The invention discloses a multi-mode working UPS, which comprises commercial power input, a storage battery, a rectifier, an inverter, a bypass static switch, an inverted static switch, an MCU singlechip control circuit, an external input circuit and an external output circuit. One path of the commercial power input is transmitted to alternating current output orderly through the rectifier, the inverter and the inverted static switch, while the other path is transmitted to the alternating current output through the bypass static switch; the storage battery is connected to a connection point of the output end of the rectifier and the input end of the inverter; and the MCU singlechip control circuit outputs a bypass static switch control signal to the bypass static switch, outputs an inverted static switch control signal to the inverted static switch, outputs an inverter control signal to the inverter, outputs a working condition data signal to the external output circuit, inputs a commercial power input sampling signal and inputs a signal input by the external input circuit. The multi-mode working UPS overcomes the defect that the conventional UPS only has a single double conversion online working mode and provides a power supply with a plurality of working modes.

The invention relates to flame-retardant synthetic paper. The flame-retardant synthetic paper comprises polypropylene resin, polyethylene resin, an inorganic filler, a coupling agent, an antistatic agent, a lubricant and a coloring agent. The flame-retardant synthetic paper is characterized in that the flame-retardant synthetic paper further comprises a flame retardant. Raw materials and the partsby weight thereof are as follows: 100PHR of polypropylene resin, 20-90PHR of polyethylene resin, 50-300PHR of inorganic filler, 1-8PHR of coupling agent, 1-5PHR of antistatic agent, 0.5-5PHR of lubricant, 5-20PHR of coloring agent and 5-35PHR of flame retardant. Blending, mixing, rubberizing, molding by a calendar, leading out by a leading roller, embossing, cooling, corona treatment and windingare carried out on all the raw materials of the flame-retardant synthetic paper for preparing a product. The flame-retardant synthetic paper has the flame-retardant function and is difficult to burn.Even the flame-retardant synthetic paper is incinerated in a high-temperature incinerator, the flame-retardant synthetic paper can not produce harmful gas, not cause secondary pollution to society andhuman beings and be in line with the requirements of environmental protection.

The invention discloses specific primers for microsatellite markers of EST sequences of Litopenaeus vannamei. The specific primers are five pairs together, and the nucleotide sequences are shown as SEQIDNO:1-10. The invention also discloses application of the specific primers in screening the microsatellite markers of the EST sequences of the Litopenaeus vannamei, performing diversity analysis of germplasm resources of the Litopenaeus vannamei, performing genetic diversity analysis, identifying families, studying molecular population genetics, constructing genetic maps, positioning important economic traits, studying functional genes, and assisting the molecular genetic breeding or culture of the Litopenaeus vannamei. Compared with the prior art, the specific primers for the microsatellite markers have the characteristics of high efficiency, simpleness, convenience, and quickness in screening required microsatellite markers.

The present invention is one new kind of cellulose solvent comprising lithium hydroxide 3.0-7.0 wt%, thiourea 3.0-6.0 wt% and water the rest. The said cellulose solvent may be used in dissolving natural cellulose and regenerated cellulose via mixing with cellulose, freezing and defreezing; or, it is first cooled to -10 deg.c to 0 deg.c and then maintained in -8 deg.c to 0 deg.c to dissolve natural cellulose and regenerated cellulose directly. The new cellulose solvent may be used to reach cellulose dissolvability as high as 100 % to prepare transparent dense cellulose solution. The dissolved natural cellulose may have molecular weight up to 200000. The new cellulose solvent may be used in preparing regenerated cellulose film, mixture film, cellulose/nano particle functional film and non-woven fabric, and may be also used as cellulose derivatizing reaction medium.

A process for preparing nano-class porous solid includes proportionally mixing nano powder with pore-forming agent, heating to 80-500 deg.c under 50-1000 MPa, holding the temp and pressure for 0.5-12hr to forming pores by gasifying and firm pore wall, and cooling. Its advantages are high uniformity of pore diameters and high mechanical strength.

The invention relates to a preparation method of a soluble rice protein, comprising the following steps: mixing size, smashing, removing amide, chelating, neutralizing, desalting, carrying out spray drying and the like. The invention also relates to a soluble rice protein obtained with the preparation method, the dissolubility of the soluble rice protein is more than or equal to 70%, the emulsion stability index is more than or equal to 1.2, and the foamability is more than or equal to 60.

The invention relates to a copper-clad aluminum conductor which comprises an aluminum core. The copper-clad aluminum conductor is characterized in that a copper cladding layer is arranged outside the aluminum core, and a graphite film layer is arranged outside the copper cladding layer. The section of the aluminum core is round or rectangular. The copper cladding layer is made from 99.97% pure refined copper. Joint surfaces of the aluminum core and the copper cladding layer are provided with grooves and ridges. The graphite film layer is made by chemical vapor deposition. The copper-clad aluminum conductor has the advantages that the lightweight aluminum and the high-conductivity graphene enable the copper-clad aluminum conductor to be light in weight and high in current carrying capacity, and accordingly the copper-clad aluminum conductor is more widely applicable.

The invention relates to a chemical material, in particular to an electromagnetic shielding material and a preparation method thereof. The preparation method of the electromagnetic shielding material comprises the following steps of: after mixing, heating and preprocessing ABS plastics and an ABS plasticizer, adding conductive carbon black, magnetic powder and carbon fibre, mixing evenly by a high mixing machine, then delivering into a twin-screw extruder, extruding and granulating so as to prepare the electromagnetic shielding material; and the invention has favorable effect of preventing the radiation of electromagnetic waves and can be applied to the fields of electric power, wireless communication, household appliances and military affairs. The invention has extensive application, simple process and low manufacturing cost and can be recycled.

The invention belongs to the field of semiconductor material's preparation and application technology, especially round silicon dioxide. Utilizing surfactant as template and silicate ester as silicon source, hydrolytic condensation is done under acidity condition. The invention has not only low energy consumption and a good dispersity, but also the aperture can be controlled by adding bulk agent.

The invention discloses a multi-functional mobile robot. The multi-functional mobile robot comprises a robot platform and a control platform, wherein the control platform comprises local control equipment and remote control equipment; the robot platform comprises a moving component for driving the robot to move, a connecting rod and a head component; the moving component is provided with a master controller for controlling the motion of the robot, a signal transmission device for performing signal switching with the local control equipment and a bearing device for bearing the master controller and the signal transmission device; the head component comprises a head turning control device and a fixing device for fixing the local control equipment; the local control equipment transfers information with the robot platform through the signal transmission device; the remote control equipment transfers information with the local control equipment through third party application software. According to the multi-functional robot, monitoring and amusement are integrated, and the robot is intelligent and has attractive appearance.

The invention provides a numerically-controlled fiber winding machine. The numerically-controlled fiber winding machine comprises a main shaft, a main shaft servo motor, an impregnation system and a control system. The main shaft servo motor is connected with the main shaft. The impregnation system comprises a gum coating groove, a gum coating servo motor and a gum coating groove linear guide rail, wherein the gum coating servo motor is connected with the gum coating groove and the gum coating groove linear guide rail is parallel with the main shaft. The control system comprises a servo driver and a controller connected with the servo driver. The servo driver controls the main shaft servo motor and the gum coating servo motor abased on signals received from the controller to drive the main shaft to rotate around the shaft center and drive the gum coating groove to move horizontally along the gum coating groove linear guide rail. The numerically-controlled fiber winding machine is simple in structure and high in degree of automation and can be used for winding fibers on surfaces of various pressure-resistant products.

The invention provides a random access method using a Zadoff-Chu (ZC) sequence as a preamble. The method comprises the following steps that: A. a base station uses a root parameter u to generate the ZC sequence with a length of NZC, wherein n is greater than or equal to 0 and less than or equal to NZC-1; B. the base station selects the parameter v according to a cell position, wherein the v is greater than or equal to 0 and less than or equal to N-1, the parameter v of the adjacent cell is not the same and N is a number of a cyclic shift sequence; C. the base station of the cell v calculates a cycle shift amount of the cell, wherein N<shift>CS is the initial position of the cyclic shift and NCS is cyclic shift interval amount; D. the base station of the cell v issues the cyclic shift amount of the cell to a terminal of the cell; E. the terminal initiates the random access after setting the initial position of the terminal itself ZC sequence which is taken as the random access preamble according to the received cyclic shift amount. The invention also provides a random access realization apparatus using the ZC sequence as the preamble and a system thereof.

The invention provides a soaking and coating airflow drying production line which comprises an uncoiling device, a primary soaking device, a primary drying device, a primary cooling device, a traction device, a paper cutting device and a paper delivering device. The soaking and coating airflow drying production line is characterized by also comprising a secondary coating device, a secondary drying device and a secondary cooling device; and the production line is automatically controlled by a PLC (Programmable Logic Controller). The invention provides the soaking and coating airflow drying production line, which has the advantages of strong function, wide application range, high applicability, high technical content, accuracy in control, uniformity for delivering and drying, high quality of paper and high yield and commonly adopts automatic control.

This invention discloses a multi-permance sailcloth for tarpaulin and its manufacturing method, in which, the sailcloth is a basic cloth dipped by fluorine crylic acid ester and intertwoven with core-wrap yarn and flame resistant vinylon or chlorin-vinylon and the core of the core-wrap yarn is stainless steel wire, the preparation method includes: taking 0.05-0.08mm stainless steel wire as the core to be wrapped with chlorin vinylon or flaming resistant vinylon fibers to prepare core-wrapped yarn then interweaving them with vinylon to sailcloth then to be dipped and rolled two times, dried and heated to get the multi-performance sailcloth, which only absorbs but not reflects electromagnetic waves so as to play the role of anti-static and electromagnetic shield.

The present invention relates to a multifunction harvester for underground crops such as garlic, peanut and potato. The harvester is provided with a frame-type machine frame; the front end of the machine frame is equipped with landing guide wheels; a driving wheel, a gear box and a clutch belt wheel are symmetrically equipped on both sides at the back end of the machine frame; the middle part of the back of the machine frame is equipped with a working belt wheel; the front part of the machine frame is equipped with a centrifugal wheel and an oscillating arm; the centrifugal wheel is connected with a link lever and the oscillating arm in turn; the lower end of the oscillating arm is connected with the main blade beam of a scarification shovel; the downside of a separating grid is equipped with a centrifugal vibration wheel. The harvester integrates the vibration scarification shovel and vibration feeding and separating mechanism ingeniously and can complete the operations of digging, refining and laying of crops such as garlic, peanut and potato; the present invention is characterized by high efficiency, wide use and strong applicability; therefore, the present invention has the value of application and dissemination.

The invention discloses a telescopic USB (universal serial bus) connection device and a telescopic connection device. The telescopic USB connection device comprises a first module and a second module, wherein the first module comprises a first insulated body and a first terminal set; the second module comprises a second insulated body and a second terminal set, and can be arranged on the first module in a manner of moving forwards and rearwards; the second module moves between a first position and a second position; when the second module moves to the first position, the second terminal set is electrically connected with the first terminal set; when the second module moves to the second position, the second terminal set is electrically separated from the first terminal set. Therefore, the telescopic USB connection device can be used by a user according to different telescopic requirements, and is wider in application range and more convenient to use.

The invention relates to the technical field of engineering lifting operations and specifically relates to a lifting device for a large cement pipe and a construction method thereof. The lifting device for the large cement pipe comprises a transverse hanging beam, two plumbing arms, a rotary shaft, a pair of round plug pins, round pin sleeves, a ball seat, a safety pin and a wing-shaped blocking plate. The device for the large cement pipe is characterized in that a lifting hook hole is arranged in the middle of the transverse hanging beam, hanging ring holes are arranged at two ends of the transverse hanging beam, the hanging ring holes are used for suspending the two plumbing arms respectively through the rotary shaft, the round pin sleeves are embedded on the lower portions of the two plumbing arms respectively, and the pair of round plug pins is inserted into lifting holes which are embedded on the outer wall of the cement pipe through round pin sleeve inner holes. By means of the lifting device for the large cement pipe and the construction method thereof, the problems and hidden dangers that the large cement pipe lifting in prior art is difficult to overturn, low in efficiency and large in risk are solved. According to the lifting device for the large cement pipe and the construction method thereof, a stable lifting can be achieved during a construction process, the large cement pipe can be overturned, the application is wide, the device can be used for lifting, loading, unloading and overturning of the large cement pipe, construction safety is simultaneously guaranteed on the basis of a guarantee for construction efficiency, besides, stable and smooth operation can be maintained during processes of lifting, shifting, inserting and drawing, and the lifting device for the large cement pipe and the construction method thereof are safe, reliable, convenient and rapid.

The invention relates to a surrounding type continuous drying machine. The drying machine comprises a feeding hopper, an outer shell, a discharging opening, an air inlet, gears, conveying belts, belt wheels, bearings, bearing pedestals, transportation belt wheel shafts, transportation belt wheels, transportation belts, a lower bottom and an air guide plate. The machine is particularly suitable for carrying out drying and air drying on piece-shaped, blocky, strip-shaped and granular materials and has the beneficial effects that the machine can continuously work, no pollution to the materials exists, hot air moves from bottom to top so that the moisture in the materials is increased layer by layer due to the humidity, the materials are dried layer by layer by the hot air from top to bottom, the efficiency is high, and the purpose is wide. The whole machine is compact in structural design, and attractive and elegant in appearance, and plant ecological water can be collected for resource reutilization.

The invention discloses a preparation method of a high-effect composite polyurethane phase change material. The preparation method comprises the following steps: (1) taking 88-99.99% of polyhydric alcohols, adding 0.01-5% of a catalyst and 0-7% of a chain extender, stirring and performing reaction at a constant temperature to obtain a prepolymer A; (2) adding 5-25% of diisocyanate or polyisocyanates into the prepolymer A, and stirring and performing reaction at a constant temperature to obtain a prepolymer B; (3) adding 0.1-10% of a high-effect conductive filler additive into the prepolymer B,and stirring and performing reaction at a constant temperature to obtain a prepolymer C; (4) adding 0-30% of an adhesive into the prepolymer C, and continuously stirring at a constant temperature until the material is completely dissolved. The polymer material prepared in the invention is combined with fibers and the like; when external humidity is increased, the polymer can rapidly absorb heat,and temperature rise of the fibers is delayed; when the external humidity is decreased, the polymer rapidly releases heat, and cooling of the fibers is delayed. The material is diversified in varietyin actual application and has excellent performance and wide application.

The invention discloses a method for separating alkanes and olefin in etherification C4 fractions. The method comprises the following steps: 1, allowing the etherification C4 fractions to contact with acetic acid under the action of a catalyst to obtain sec-butyl acetate, and separating out C4 alkanes; and 2, cracking sec-butyl acetate to obtain acetic acid and n-butene. The method, which is characterized in that the acetic acid completely reacts with butylene in the etherification C4 fractions to generate sec-butyl acetate and obtain the C4 alkanes and sec-butyl acetate is cracked to obtain widely used n-butene, realizes the separation of the alkanes from the etherification C4 fractions, the complete separation of the alkanes from olefins and the obtaining of widely used n-butene through a simple technology.

The invention relates to a multifunctional flying saucer, and belongs to the field of aircrafts. The multifunctional flying saucer comprises a circular body, wherein the lower portion of the body is flat while the upper portion of the body is protruded and is in the shape of an aerofoil; four mounting rods are uniformly distributed at the edge of the body; a transmission rod is arranged in each mounting rod; and each transmission rod is connected with an engine in the body through a corresponding clutch. The multifunctional flying saucer can run on water, on land and in air, is economical and practical, is convenient to popularize and use and can be used for rescue operation.

The invention discloses a throat offset type pneumatic vector spraying pipe with a parallelogram section. A spraying pipe inner runner comprises a spraying pipe inlet, an equal straight segment, a first-throat front convergent section, a first throat, a second-throat front expanding segment, a second-throat front convergent section and a second throat which communicate in sequence; an inclined side wall face begins to be arranged on a certain position in the inner runner, the circulation section from the inner runner to the second throat is in a parallelogram shape, through the shape design ofthe parallelogram circulation section, the good airflow mixing effect is obtained, the spraying pipe infrared hidden property is effectively improved, meanwhile, the large thrust vector angle is provided for an aircraft still, the inclined side wall face has the offset effect on the airflow, under the vector and non-vector state, the initial pitching and yaw vector angles exist, the requirement of pneumatic-hidden integrated layout of the future aircraft can be met, and the purpose is wide.

The invention relates to an application and a preparation method of a Beauveria sp extract having tyrosinase inhibition activity, specifically to an application of the Beauveria sp extract in preparation of pigmentation and melanoma prevention and treatment tyrosinase inhibitors. According to the present invention, the main effective component in the Beauveria sp extract is 6'-methyl-2',4'-dihydroxyphenyl-4-O-methyl-beta-D-glucopyranoside, and the content is 5-99%; the activity is characterized in that the half-inhibition concentration (IC50) on the tyrosinase is 37.6-638.5 mug/mL; and the Beauveria sp extract having the tyrosinase inhibitor has wide uses, can be adopted as the daily chemical additive, and provides effects of whitening, anti-blackening, anti-aging, pigmentation and melanoma prevention and treatment, and the like.

The invention discloses a relay flow fan composed of a centrifugal fan and a cross flow fan which are connected in series. A gas outlet of the centrifugal fan is communicated with a gas outlet of the cross flow fan, and the centrifugal fan and a cross flow fan are integrated or connected. The centrifugal fan and the cross flow fan perform relay acting to gas flow, and speed up gas flow relay to form relay flowing. The relay flow fan has the advantages of high gas-flow speed at outlet, large gas capacity, high gas pressure, long gas blowing space and the like, and further has properties of performing relay separation, relay condensation and relay purification to fume. An extractor hood with the relay flow fan can really realize fume discharging to be eliminated. By the aid of the relay flow fan, important support is provided for 'green' development of the industry of extractor hoods, and novel selections are provided for the fields of gas blowing, gas changing and air purifying. The relay flow fan is a new member in a fan family; the relay flow fan has various structures, and can meet different requirements; the relay flow fan can be promoted and applied to produce great social benefit and economic benefit.

The invention relates to a rotary tillage ditching stubble burying machine capable of rotating positively and reversely. A colter shaft of the stubble burying machine is connected with a power device of a tractor through a convertible reduction gear box of the colter shaft in positive and reverse rotating direction, and the colter shaft is provided with a rotary blade. The machine is characterized in that the left and right sides of a driven bevel gear shaft in the convertible reduction gear box in positive and reverse direction are respectively provided with a driven bevel gear, the middle of the two driven bevel gears is provided with a cylindrical gear, the two driven bevel gears are both meshed with a driving bevel gear and can both freely rotate on a driven shaft, when the driving bevel gear rotates, the two driven bevel gears do opposite rotation in different directions, the middle cylindrical gear is switched through a fork to be meshed with the jaw of the driven bevel gear at one side, and in this way, the colter shaft can rotate in positive or reverse direction. The burying stubble machine is convenient for adjustment and can change the rotating direction of the colter shaft rapidly in time according to different farmland operation needs and different usages, thus being beneficial to saving farming season and simultaneously reducing the machine purchasing cost of farmers greatly.

A miniature tricycle has a frame consisting of a main frame, a sleeve pipe for central axle and installed in main frame, and connecting mechanism of back axle, which is composed of guide part, connecting plate assemblage and vibration damper. Said main frame is composed of front pipe, lower pipes and vertical back pipe (or L-shaped or U-shaped frame), which are connected to become V-shaped, H-shaped, or U-shaped frame. Its advantages are simple structure and high stability.

The invention discloses a flame-retardant antistatic tearproof film material which is prepared from the following raw materials in parts by weight: 40-50 parts of polypropylene, 10-20 parts of polyethylene, 10-15 parts of polyester, 2-5 parts of polyurethane, 1-3 parts of 2,2-dimethylol propionic acid, 5-8 parts of 1,2-dimethylcyclohexane, 4-8 parts of dioctyl adipate, 0.5-3 parts of a flame retardant, 1.5-2.5 parts of a concentrated anti-blocking agent, 0.5-1.5 parts of an antifogging agent, 1-3 parts of an anti-sticking agent, 2.5-4 parts of a slipping agent, 1-5 parts of an antistatic agent, 3-5 parts of zinc oxide whisker and 1-5 parts of conductive fiber. The film material disclosed by the invention has the advantages of being firm and durable, economic and environment-friendly, antistatic, tearproof, antifogging, wide in application range, flame-retardant, fireproof, safe and reliable. The adding amount of the conductive fiber is small, so that the processability is good, the comprehensive performance is excellent, and the film material is particularly suitable for scale production. The added antistatic agent has better conductivity and meanwhile, the zinc oxide whisker with four feet and a three-dimensional structure is added and cooperates with the antistatic agent, so that the material is endowed with an antistatic property efficiently.

The present invention relates to a flavouring material richly containing animal bone powder. It is characterized by that in the flavouring material the nano-grade animal bone powder is added, so that its nutrients are rich and its calcium content is high.

The invention provides carrageenan oligosaccharide with the trepang growth promotion and adverse resistance functions and a preparation method and application thereof, and relates to the field of microorganisms. The carrageenan oligosaccharide obtained through the method can be used for food, feed additives, health care products, biopesticide and the like, and the application range is wide. The carrageenan oligosaccharide is used as feed additives for feeding trepang, the trepang growth condition is better, thorns are strong, the trepang moves freely, the ingestion force is strong, and the carrageenan oligosaccharide has the obvious promotion effect on trepang growth, can improve the trpang adverse resistance, improves the stress resistance and immune function of the trepang, and is an ideal trepang bait additive.