83results about How to "Wide supply" patented technology

The invention relates to a composite material, and particularly relates to an anti-aging plastic wood composite material and a preparation method thereof. The anti-aging plastic wood composite material of the invention is characterized in that the composite material is prepared by the following raw materials by mass: 20%-35% of plastics, 20%-70% of natural wood fibers, 5%-45% of a fire retardant, 1%-10% of a compatibilizer, 0.1%-3% of a lubricant, 0.5%-3% of a plasticizer, 0.1%-2% of a anti-aging filling material, and 0.5%-3% of a coloring agent. According to the invention, the reinforcing anti-aging filling material is added into the plastic wood composite material, which provides the plastic wood profile with both general functions and superpower anti-aging performance, effectively enhances the surface anti-aging performance of the plastic wood profile, and improves the service life of the plastic wood product.

There is provided a remote data transmission system that includes a hand-held remote device including a camera, a camera button, a wireless communication device for transmitting data obtained by the camera, and a storing device having one or more operating programs; and a computer comprising a display device, wherein the hand-held remote device obtains image data of an object and transmits the image data to the computer when the camera button is pressed, wherein the computer receives data from the hand-held remote device and displays the data on the display device, and wherein the computer displays the image data on the display device upon receipt of the image data.

The invention relates to the technical field of quality-divided water purification and supply, in particular to a combined type quality-divided water purification and supply device, the inside of which is formed by three layers of multifunctional quality-divided water purification annular sleeve barrels and a four-layered quality-divided water supply chamber with different functions, wherein the three layers of multifunctional quality-divided water purification annular sleeve barrels respectively contain high-quality direct drinking water of an internal layer, middle-quality domestic water of a middle layer and elementary wash water of an external layer and have different functions; the inner walls of the barrels are provided with small round holes or linear wall slot lines as well as round oblique diversion tunnels of a water-proof backflow round baffle and a vertical water diversion baffle arranged outside the tunnels; an ultraviolet lamp and a most advanced annular filtration barrel component are arranged at the lower bottom part of the middle of the barrel; the upper end and the lower end of the barrel are respectively and fixedly installed in an upper and a lower fixed holding slot components; annular permanent magnetic and tourmaline gaskets are installed at the upper sides of the outsides of the holding slot components; and regulating rings capable of regulating the size and the flow of pores and the water-proof backflow baffles are respectively arranged in a water inlet passage and a water outlet passage of an upper cover shell and a lower cover shell. The invention has unit modular industrialized production, can be assembled on site according to the requirements, has ingenious design and complete functions, low cost and obvious effect, is widely used and is conveniently maintained and changed, all the water is utilized without waste, and filter mediums can be repeatedly used.

The invention relates to a cold spraying type epoxy thin bridge deck paving material and a preparation method thereof. The cold spraying type epoxy thin deck paving material is characterized by comprising a binder and a single grading fine aggregate, wherein 1-2kg/m<2> of the binder is smeared on a bridge deck so as to form a binder layer; 5-8kg/m<2> of the single grading fine aggregate is sprayed on the binder layer so as to form a single grading fine aggregate layer; the binder is formed by mixing a component A with a component B, and the weight ratio of the component A to the component B is (1-1.4):1; the component A comprises the following raw materials in parts by weight: 75-85 parts of epoxy resin, 15-25 parts of modified epoxy resin and 5-10 parts of diluent; and the component B comprises the following raw materials in parts by weight: 20-30 parts of cycloaliphatic amide curing agent, 10-20 parts of modified amine curing agent and 40-60 parts of cured accelerator. The cold spraying type epoxy thin bridge deck paving material has the characteristics of good skid-resisting and wear-resisting properties, high adhesion strength with the bridge deck, good waterproof and seepage-proofing properties and good low temperature flexibility.

A silicon nitride film (103) and a silicon nitride film (106) are formed to cover a charged silicon oxide film (105) serving as an electret.

The invention relates to a process and a device for preparing chromium iron by using chromium ore powder, which belongs to metallurgical industry steel-making raw material. The process comprises the following steps: mixing chromium iron containing raw materials with reducing agent, solvent and catalyst to prepare ultra fine powder, mixing to make pelletizing materials, sending the pelletizing materials into a reducing furnace, drying and roasting, and obtaining chromium irons after the reduction reaction. The reducing device is connected with an upper furnace above a furnace base, a lower furnace body is connected to the downside of the furnace base, the upper end of the upper furnace body is connected with an upper furnace mantle, a drying bed grate is positioned at the upper end in the upper furnace body, a purifying device is connected with the upper furnace body and the lower furnace body through pipelines, and a residual heat circulating device is connected with the lower furnace body. The invention has the advantages that: firstly, the reduction temperature is low, the reduction speed is high, the energy consumption is reduced, the production cost is lowered, the production efficiency is high, and the uniformity of the quality is ensured; secondly, the device is simple with less investment, the degree of mechanization is high, the procedure is simple, the yield is large, the mass production can be performed; thirdly, the waste of raw materials is reduced, the environment pollution is lowered; fourthly, the cost is low because the chromium ore powder and chromium-containing waste are adopted as raw materials; and fifthly, the waste resource can be recycled so as to save the resource consumption.

The invention relates to composite materials, in particular to a tire rubber powder modified recycled plastic and a preparation method thereof. The invention aims to solve the existing zero pollution reclamation difficulty and other problems of waste tire rubber, waste plastics, etc. The tire rubber powder modified recycled plastic provided in the invention is prepared from the following raw materials by mass: 20%-70% of waste plastics, 10%-40% of tire rubber powder, 5%-26% of a flame retardant, 1%-10% of a compatibilizer, 0.1%-3% of a lubricant, 0.5%-5% of a plasticizer, and 0.05%-4% of an antioxidant. In the invention, by modifying tire rubber powder to prepare the recycled plastic, the resource utilization rate of waste tire rubber powder is enhanced, a new application technology of rubber powder is developed, the application scope of rubber powder is expanded, and at the same time, the prepared recycled plastic still has good mechanical properties, and the production cost of the recycled plastic is greatly reduced, so that the application fields of recycled plastics can be expected to be further expanded.

A system and a method are disclosed for providing a highly efficient wide bandwidth power supply for a power amplifier. A power supply control circuit of the invention comprises a wide bandwidth low drop out (LDO) circuit and a highly efficient switcher circuit. The switcher circuit comprises a switcher control circuit that receives an I_LDO current signal from the low drop out (LDO) circuit and an I_SWITCHER current signal from the switcher circuit. The switcher control circuit uses the I_LDO value and the I_SWITCHER value to control an amount of current that is provided by the switcher circuit. The I_LDO current from the low drop out (LDO) circuit and the I_SWITCHER current from the switcher circuit are used to control a supply voltage V_CC that is provided to a power amplifier.

The invention discloses an underground stope artificial pillar expansion jacking device mounted between an artificial pillar foundation and a stope top plate. The underground stope artificial pillar expansion jacking device comprises an upper cover barrel, an inner sleeve and a lower cover barrel; the inner sleeve is positioned between the upper cover barrel and the lower cover barrel; the upper cover barrel has a barrel bottom I and a barrel wall I; the lower cover barrel has a barrel bottom II and a barrel wall II; the upper cover barrel is arranged above the inner sleeve; the outer wall of the inner sleeve is in clearance fit with the inner wall of the barrel wall I; the lower cover barrel covers the lower side of the inner sleeve; the outer wall of the inner sleeve is in clearance fit with the inner wall of the barrel wall II; a gravel cushion layer and an expansion agent cartridge are arranged in the inner sleeve from bottom to top in sequence; and gravels fill the expansion agent cartridge; and water drainage exhaust holes are respectively formed in the barrel bottom I and the barrel bottom II. The underground stope artificial pillar expansion jacking device has such advantages as simple structure, low production cost, convenience for use, capability of quickly and actively jacking, good jacking effect and high support force.

The present invention provides a method for growing graphene on a surface of a gate electrode and a method for growing graphene on a surface of a source/drain electrode, in which a low-temperature plasma enhanced vapor deposition process is adopted to grow a graphene film, of which a film thickness is controllable, on a gate electrode or a source/drain electrode that contains copper, and completely coincides with a pattern of the gate electrode or the source/drain electrode. The manufacturing temperature of graphene is relatively low so that it is possible not to damage the structure of a thin-film transistor to the greatest extents and the supply of carbon sources that is used wide, having low cost and a simple manufacturing process, where existing PECVD facility of a thin-film transistor manufacturing line can be used without additional expense. The gate electrode or the source/drain electrode is covered with graphene and is prevented from contact with moisture and oxygen thereby overcoming the problem of a conventional TFT manufacturing process that a gate electrode or a source/drain electrode that contains copper is readily susceptible to oxidization. Further, the high electrical conductivity of graphene makes it possible not to affect the electrical performance of the entire device.

A method and apparatus are provided for reducing leakage current in a read only memory device. Leakage current is reduced by reducing the duration of the precharge cycle during each read cycle so that the associated leakage current will flow for a shorter time period during each cycle. The precharge phase is positioned at the beginning of each read cycle, prior to the evaluation phase. The precharge phase is terminated by a subsequent clock edge or by an internal time out prior to a subsequent clock edge. The time interval between when the columns reach their precharge voltage and the evaluation phase begins is reduced.

Amino-acid organic compound fertilizer comprises, by weight, 18-20 parts of amino acid mixture, 10-35 parts of potassium chloride, 0.2-0.5 part of boric acid, 0.2-0.5 part of manganese sulfate, 0.2-0.5 part of zinc sulfate, 10-20 parts of carbamide, 10-15 parts of calcium superphosphate, 10-15 parts of magnesium sulfate, 0.2-0.5 part of copper sulfate, 0.2-0.5 part of ferrous sulfate, 0.2-0.5 part of ammonium molybdate, 10-20 parts of poultry excrement, 0.1-0.5 part of leavening agent, and 15-20 part of water. Under synergy of the materials, the amino-acid organic compound fertilizer is high in activity and fine in fertilizer efficiency, guarantees no caking of soil, is free of pathogenic bacteria or eggs and the like. The content of total nutrients of the fertilizer reaches 30%-40%, the content of organic matters in the fertilizer reaches 25%-30%, and the content of water soluble silica reaches 5%-10%. Storage and release of nutrients in the soil after the fertilizer is applied into the soil can be autonomously adjusted, and the fertilizer is slowly released and is mild to crops. The production method of the amino-acid organic compound fertilizer is simple, easy and simple and convenient to operate, and the materials are wide in source, low in cost and easy to obtain. The production cost is only 70% of that of the combination of single matters, and the amino-acid organic compound fertilizer is convenient for industrial production.

The present invention relates to elastic high-strength epoxy grouting material and its preparation. The elastic high-strength epoxy grouting material features its material composition comprising epoxy resin in 100 weight portions, long chain active diluent in 50-150 weight portions, curing agent in 10-100 weight portions and silane coupler 0.5-10 weight portions. The epoxy resin contains flexible epoxy resin in 20-60 weight portions. The present invention has the features of good grouting performance, high elasticity and no toxicity.

The invention relates to a high-density fracturing fluid capable of slowing crosslinking and resisting high temperature. The fracturing fluid is composed of a stock solution and a crosslinking liquid with a volume ratio of 10 : 1, wherein the stock solution comprises, by weight percent, 0.5-0.65 % of hydroxypropyl guar gum, 8-45 % of a weighting agent A, 6-30 % of a weighting agent B, 0.5-2 % of a ZJ-07 cleanup additive, 0.01-0.04 % of a pH-value conditioning agent A, and the balance being water; the crosslinking liquid comprises, by weight percent, 0.5-3 % of a cross-linking agent YGB, 1-2 % of a cross-linking agent HT, 0.1-0.4 % of a pH-value conditioning agent B, 0-0.35 % of a gel breaker and the balance being water. The fracturing fluid is good in temperature-resistance and shearing-resistance performances, wherein the temperature-resistance performance is up to 145 DEG C, and a viscosity is still more than 120 Pa*S after the liquid is sheared for 90 minutes under 145 DEG C and 170 S<-1>.

The invention discloses feed for overwintering domestication of a grass carp. The feed is prepared from, by weight, 22-28 parts of Hebei wheat, 15-18 parts of hulled soybean meal, 15-25 parts of fermented soybean meal, 12-15 parts of soybeans, 12-18 parts of fish meal, 1-2 parts of monocalcium phosphate, 3-8 parts of fish soluble, 0.05-0.2 part of enzymic preparations, 0.5-2 parts of decavitamin and 0.5-2 parts of composite minerals. The invention further discloses a preparation method of the feed for overwintering domestication of the grass carp. The invention further discloses a grass carp overwintering culture method. The method comprises the steps of feeding the feed for overwintering domestication of the grass carp and the like. The feed for overwintering domestication of the grass carp is low in protein, high in fat and high in vitamin and mineral substance, the culture method is provided, and therefore the flesh losses of the grass carp can be reduced, the survival rate can be increased, and the overwintering culture risk is greatly reduced.