380results about How to "Does not increase production costs" patented technology

The invention discloses an ultra-thick hard alloy, a preparation method and application thereof. The raw material of the ultra-thick hard alloy comprises the following components in percentage by weight: 10.0-10.5% of Co and the balance of WC. The preparation method comprises the following steps of pretreatment, raw material preparation, wet grinding, spray drying, compression moulding and sintering. According to the invention, technical conditions of each component and technical conditions of each step are selected preferentially, and common technical problems in the preparation of ultra-thick ally in China, such as non-even grains, poor anti-impact toughness and thermal fatigue resistance and too many pores. The ultra-thick hard ally has excellent thermal conductivity, impact toughness and thermal fatigue resistance, cross breaking strength is larger than or equal to 3,100Mpa, the hardness is 86-87HRA, the coercive force is 3.0-4.0KA/m, and WC average grain size is 5-6 microns.

The invention discloses a synergistic compound fertilizer and a preparation method thereof. The synergistic compound fertilizer of the invention is characterized in that: poly-aspartic acid or aspartate and phosphate-dissolving agents are added into common compound fertilizer, wherein, the weight percentage of the compound fertilizer, the poly-aspartic acid or the aspartate and the phosphate agents is respectively as follows: 75.0 to 99.98 percent of the compound fertilizer, 5.0 to 0.01 percent of the poly-aspartic acid or the aspartate and 20.0 to 0.01 percent of the phosphate-dissolving agent. The phosphate-dissolving agents are the combination of one or a plurality of oxalic acid, citric acid, tartaric acid, acrylic acid, zeolite powder and humic acid. The preparation method of the synergistic compound fertilizer of the invention is that the current device and technology of producing fertilizers using the granulating method are adopted to add the poly-aspartic acid or the aspartateand the phosphate-dissolving agents into a granulator after the poly-aspartic acid or the aspartate and the phosphate-dissolving agents are measured by the measuring device arranged at the front of the granulator. The synergistic compound fertilizer can greatly facilitate the full absorption of trace elements such as nitrogen, phosphorus, potassium by crops, which can comprehensively improve fertilizer utilization ratio and the quality of crops.

The invention discloses an aqueous PU fog face rubbing surface treatment agent for synthetic leather, comprising the following components by weight percentage: 40-50% of aqueous polyurethane resin, 30-40% of water, 3-6% of matting agent, 1-5% of organic silicon antifoaming agent, 0.5-5% of organic silicon flatting agent and 0.5-5% of aqueous polyurethane thickener. The surface treatment agent provided by the invention takes water as solvent which replaces poisonous solvents such as dimethylformamide and butanone and has the performances of non-combustion, safety, environmental protection and less cost; after being treated by the surface treatment agent provided by the invention in a wiping manner, the prepared leather has good fog face rubbing effect, sharp contrast between colours of a surface layer and a rubbing layer, good visual effect and excellent general effect.

The invention relates to a fertilizer formula and further relates to an application method of the fertilizer. A selenium-rich organic/inorganic fertilizer for producing selenium-rick rice is prepared by mixing selenites, nitrogenous fertilizers, phosphate fertilizers, potash fertilizers, rotten organic fertilizers and silicon fertilizers according to a certain ratio and pelletizing the mixture. The selenium-rich organic/inorganic fertilizer for producing the selenium-rick rice comprises the following components in parts by weight: 0.004-0.010 parts of the selenites, 15-33 parts of the nitrogenous fertilizers, 12-24 parts of the phosphate fertilizers, 10-17 parts of the potash fertilizers, 30-50 parts of the rotten organic fertilizers and 5-8 parts of the silicon fertilizers. The fertilizer not only includes selenium element but also includes other nutrition enhancing matters requested by crop growth. As the fertilizer can be used for supplying the selenium element and the other nutrition enhancing matters requested in growth for crops simultaneously, the application of the fertilizer is good for the crop growth, so that the absorption rate and the conversion rate of selenium are improved, and the selenium-rick rice reaching a selenium-rick rice standard can be produced by applying less selenium.

The invention discloses an aqueous PU velvet resin used for synthetic leather, which comprises the following raw materials by weight percent: 40-50% of aqueous polyurethane resin, 40-50% of water, 2-5% of low-temperature sheep bar powder, 2-4% of silicon dioxide velvet powder, 1-3% of organic silicone oil smoothing agent, 1-4% of extinction powder, 0.5-1% of organic silicon flatting agent, 2-5% of organic silicon antifoaming agent and 0.5-2% of aqueous polyurethane thickening agent. The aqueous PU velvet resin used for synthetic leather of the invention takes water as solvent to replace toxic solvent, such as dimethyl fomamide, butanone and the like and has the advantages of being non-combustible, safe and environment-friendly, saving cost and the like. The aqueous PU velvet resin also has the advantages of good film-forming resistance, firm bonding, coating solvent resistance, cold resistance, hydrolysis resistance and heat-proof aging. Products fabricated by using the resin have the characteristics of plump feel, unique velvet effect, strong real leather quality, fine and smooth texture, good air permeability and the like.

The invention relates to a super junction high-voltage power device structure. A power semiconductor device many be influenced by a junction curvature effect to cause aggregation of an electric field close to a junction, so that a device is extremely easy to break down; and thus, the voltage withstanding degree of the device is required to be improved. The super junction high-voltage power device structure comprises an active region and a terminal region, wherein an epitaxial layer of a first conduction type material is arranged on a substrate layer; a composite buffer layer is formed on the epitaxial layer and comprises first semiconductor regions constituted by the first conduction type material and second semiconductor regions constituted by a second conduction type material, and the second semiconductor regions and the first semiconductor regions are arranged alternately; a well region of a second conduction type is positioned on the surface of the second semiconductor region, and is between two first semiconductor regions or between the final first semiconductor region and a cut-off ring. According to the super junction high-voltage power device structure, the withstanding voltage and the reliability of the terminal of the super junction device can be improved, so that withstanding voltage close to that of a cell region can be born by the terminal; and the structure can be realized by using the conventional super junction semiconductor manufacturing process without increasing the difficulty and the production cost of the process.

The invention discloses a mutton sheep breeding and regulating technology with high frequency and high efficiency. In China, the mutton sheep breeding and regulating technology with high frequency and high efficiency is applied relatively widely, but the situation of organically combining a plurality of technologies and the popularization thereof does not appear. The technology comprises an oestrus hormone-regulation proposal, a production system and a high-efficiency breeding technology; wherein, the oestrus hormone-regulation proposal relates to a progestogen vaginal suppository-PMSG method, the production system of twice producing one year or three producing two year is adopted, the high-efficiency and high frequency breeding technology adopts gonadotropin, grouping hybridization and nutritional regulation. The technology is applied to high-efficiency industry which leads the sheep industry to develop into industrialization.

The invention discloses a waterborne PU high smooth wax resin for synthetic leather and the resin comprises the following raw materials by weight percent: 30-40% of waterborne silicon-fluorine resin,20-30% of waterborne polyurethane, 10-30% of water, 0.2-0.8% of waterborne wax emulsion, 1-3% of organic silicone oil smoothing agent, 0.5-1% of organic silicone flatting agent, 2-5% of organic silicone defoamer and 0.5-2% of waterborne polyurethane thickener. The waterborne PU high smooth wax resin for synthetic leather provided by the invention uses water as solvent instead of toxic solvents such as dimethyl formamide, butanone and the like and has the advantage of noninflammability, safety, environmental protection, cost-saving and the like. The finished product prepared from the waterbornePU high smooth wax resin for synthetic leather provided by the invention has full hand feeling, high luster and high luminance, extremely smooth waxy feeling, delicate texture and good air permeability; and the prepared synthetic leather has good comprehensive effect in hand feeling, smoothness, water resistance, waxy feeling and the like.

The invention provides an electronic expansion valve control method and a refrigerant circulation system. The control method comprises the steps of acquiring a current actual degree of superheat delta' and a current actual degree of supercooling epsilon' of the refrigerant circulation system; obtaining a first comparing result by comparing the actual degree of superheat delta' with a preset degree of superheat threshold value delta or a preset degree of superheat range [delta 1, delta 2], wherein the delta 1 is a first degree of superheat threshold value, and the delta 2 is a second degree ofsuperheat threshold value; obtaining a second comparing result by comparing the actual degree of supercooling epsilon' and a preset degree of supercooling threshold value epsilon or a preset degree of supercooling range [epsilon 1, epsilon 2], wherein the epsilon 1 is a first degree of supercooling threshold value, and the epsilon 2 is a second degree of supercooling threshold value; and adjusting the opening degree of an electronic expansion valve by comprehensively comparing the first comparing result and the second comparing result. According to the control method of the electronic expansion valve, heat exchange capacity and energy efficiency of the system can be improved while gas suction with liquid is avoided, the structure of system is not changed, and the production cost of the system is not increased.

The invention discloses water-soluble PU nubuck low-temperature foamex for synthetic leather, prepared by the following raw materials in percentage by weight: 30-40 percent of water-soluble polyurethane, 40-50 percent of water, 2-10 percent of low-temperature nubuck foam powder, 2-5 percent of organosilicon levelling agent, 2-5 percent of organosilicon antifoaming agent and 0.5-2 percent of water-soluble polyurethane thickener. The mixture ratio of each component of the water-soluble PU nubuck low-temperature foamex for synthetic leather is scientific and reasonable, and the components mutually coordinate and jointly act. The nubuck low-temperature foamex has the advantages of good film reforming property and firm adhesion, and coating is resistant to solvent, cold, hydrolysis and thermalageing. The original effect of the leather surface of a finished product prepared from the water-soluble PU nubuck low-temperature foamex can not be influenced; after the leather surface is treated bythe foamex, low-temperature foaming is carried out to produce nubuck leather, and therefore, the effect of the leather surface is unique; moreover, the synthetic leather has exquisite texture, good air permeability and excellent resultant effect of hand feeling, water proofing, adhesion and the like.

The invention discloses a water-based PU high solid resin combination for synthetic leather, which comprises the following materials by weight percent: 25 to 35 percent of water-based polyurethane resin, 45 to 55 percent of water, 10 to 20 percent of modified organic silicon polymer, 0.5 to 1.5 percent of organic silicon flatting agent, 1 to 3 percent of organic silicon foam killer and 1.5 to 4.5 percent of water-based polyurethane thickening agent. The water-based PU ironing finishing agent has the advantages that the mixture ratio of the component is scientific and reasonable, and the components are coordinated with each other and act together; the high solid resin combination has the advantages of good film reforming property, firm bonding, solvent resistance, cold resistance, hydrolysis resistance and thermosenescence resistance of coating; the finished product made of the synthetic leather, the surface of which is treated by the high solid resin combination, has the advantages that the original effect of the leather surface is not affected, raised patterns on the leather surface are sufficient in contrast to the leather sole after the leather surface is treated and modified, and the leather surface has unique high solid effect.

The invention provides a control method of an electronic expansion valve and a heat pump system. The control method comprises the following step: when the current actual air suction superheat degree x of the heat pump system is within a preset range, adjusting the opening degree of the electronic expansion valve according to the current actual supercooling degree gamma of the heat pump system and the current load of a compressor. In the control method provided by the invention, the opening degree of the electronic expansion valve is adjusted according to the actual supercooling degree and the current load when the actual air suction overheat degree is within the preset range, so that the supercooling degree of the heat pump system can be matched with the actual load of the compressor. Accordingly, the heat exchange capacity and the energy efficiency of the heat pump system can be improved when the entrainment of a liquid in air suction is avoided, the own structure of the heat pump system cannot be changed, and the production cost of the heat pump system cannot be increased.

The invention provides thermal dye sublimation transfer paper suitable for on-line high-speed production. The thermal dye sublimation transfer paper comprises body paper, a gluing layer and a coatinglayer, and the gluing layer and the coating layer coat the body paper in sequence according to an on-line processing technology; coating in the coating layer is at least prepared from a water absorbing material, an ink absorbing material and resin. The thermal dye sublimation transfer paper is characterized in that the water absorbing material is a composition containing one or more of sodium polyacrylate resin, aluminium silicate, calcined kaolin and silicon dioxide according to any proportion, and the ink absorbing material is a composition containing one or more of sodium carboxymethyl cellulose, polyacrylamide, sodium alginate, oxidized starch and natural polymer glue. The thermal dye sublimation transfer paper produced by means of the technology solves the problems in the prior art that thermal dye sublimation transfer paper prepared by means of an on-line coating method is low in ink absorbing amount, low in transfer rate, high in ink permeability and low in printing precision.

The invention discloses a water-based PU brush surface conditioning agent for synthetic leather, which comprises the following materials by weight percent: 10 to 20 percent of water-based stoving varnish resin, 1 to 6 percent of water-based polyurethane, 60 to 70 percent of water, 5 to 13 percent of silicon dioxide matting agent, 0.5 to 2 percent of organic silicon flatting agent, 1 to 5 percent of organic silicon foam killer and 2 to 6 percent of water-based modified polyethylene wax emulsion. In the water-based PU brush surface conditioning agent for synthetic leather, water is taken as solvent to replace noxious solvents, such as dimethyl formamide and butanone, so that the water-based PU brush surface conditioning agent has the performances of non-inflammation, safety, environmental protection and cost saving, and resin has the advantages of good film reforming property, firm bonding, solvent resistance, cold resistance, hydrolysis resistance and thermosenescence resistance of coating, and the finished product made of the surface conditioning agent has unique brush effect, strong dermis effect, water resistance and good air permeability.

The invention provides a method and a system for calibrating an optical sensor of a mobile terminal, wherein the method comprises the following steps: placing the mobile terminal containing the optical sensor under a light source; measuring the illuminating value of light irradiated on the front shell glass of the mobile terminal, and recording an illuminating value measured by the optical sensor in the mobile terminal; determining the light transmission ratio of the front shell glass of the mobile terminal according to the illuminating value of the front shell glass of the mobile terminal and the illuminating value measured by the optical sensor; and calibrating the optical sensor according to the light transmission ratio of the front shell glass of the mobile terminal. According to the invention, the optical sensor is calibrated through referring to the influence of the light transmission ratio of the front shell glass, thus not only can the calibration precision be improved, but also the calibration method is simple and practicable.

The invention relates to a glasses feet and its processing method, it provides glasses feet which can display stereo pattern in semitransparent or transparent material. The processing method includes following steps: selects at least glue board combined with materials with different transmittance or refractive index, and carries on mold cutting according to the shape of glasses feet. 2. Heats the glasses feet and softens them. 3. Uses clamping device to clamp the softened glasses feet and injects copper pin from on end, one surface of the clamping device is metal template etched with patterns, the surface contacting to the template have correspondent patterns, the layer structure is changed too, thus the correspondent pattern on the external surface is polished off. 4. Grinding and bending.

The invention relates to a technique of processing low-copper vehicle wrought aluminium alloy boards such as 6022, 6016 and the like, especially relates to a preprocessing technique for assuring baking hardenability and formability of vehicle wrought aluminium alloy boards.The preprocessing technique of vehicle wrought aluminium alloy boards is characterized by placing aluminum alloy boards into a furnace for solid solution treatment, 30 minutes after the solid solution heating and heat preserving under a temperature of 520 DEG C-550 DEG C, placing them into a polyether water-soluble medium of 5-10% for quenching, putting them in a room temperature for 2-3 days after being cooled, putting them into an aging treatment furnace for being treated for 10-15 minutes under a temperature of 140-170 DEG C. The invention which is a simple technique improves the yield strength, tensile strength and specific elongation of aluminum alloy boards, therefore, improving the formability, aging -resisting stability and baking hardenability of aluminum alloy boards, can achieve an satisfactory baking and overhardening effect on the existing oil paint line, improves rate of final products formed by pressing, reduces the pressing cost and promotes the application of aluminum boards in the lighteningof vehicles.

The invention discloses a preparation method of a sugar cane juice Maillard reaction product. The method comprises the steps of cleaning, squeezing, filtering, enzymatic hydrolysis, concentrating, reacting and the like. Sugar cane is subjected to cleaning, squeezing, filtering, enzymatic hydrolysis and concentrating, and undergoes a Maillard reaction with proline at the temperature of 110-130 DEG C. The prepared sugar cane juice Maillard reaction product is uniformly sprayed onto tobacco shreds in a cigarette feeding procedure, so that the sweet flavor of cigarettes is highlighted, the smoking quality and feel comfort of the cigarettes are improved, the fragrance of the cigarettes is improved remarkably, the aftertaste is improved, and the irritation and offensive odor are reduced greatly. The product is low in cost, is simple in process, is high in safety, and is worthy of industry-wide popularization and application.

The invention discloses a preparation method of a roasted potato spice. The preparation method comprises the following steps: cleaning and peeling, crushing and pulping, pressure-reduced filtration, yeast fermentation, high-temperature baking, homogeneous emulsification and the like, i.e., the method comprises the following steps: performing cleaning and peeling, crushing and pulping, pressure-reduced filtration and yeast fermentation treatment on potatoes, performing high-temperature baking at 60-350 DEG C, and then performing homogeneous emulsification by virtue of a colloid grinder. The prepared roasted potato spice disclosed by the invention is uniformly sprayed on cut tobaccos in a cigarette feeding process, and the 'baking fragrance' notes of the cigarettes can be showed, so that the smoking quality and sensory comfort level of the cigarettes can be improved, the aroma of the cigarettes can be significantly increased, the aftertaste can be improved, and the irritation and miscellaneous odors also can be relatively greatly reduced. The product disclosed by the invention is low in cost, simple in process and high in safety, and is worthy of popularization and application in the whole industry.

The invention provides a method for separating dichlorohydrin from compound, comprising the following steps: mixing the compound of dichloropropanol, chlorine hydride and water with extraction agent; then collecting the extraction agent containing dichloropropanol and adopting the method of rectification to obtain dichloropropanol by separation. The method of the invention uses the method of extraction to recover the dichloropropanol in the gas phase, thus not increasing production cost while reducing environmental pollution and achieving good separation effect and high recovery rate; in particular, the resolved solvent can still be recovered and reused, therefore, in many cases, the advantages in terms of technology, economy and environmental protection are demonstrated. Cross current solvent extraction is carried out on N-butyl ether on a four-stage basis, extraction yield of dichloropropanol reaches 91%; cross current solvent extraction is also carried out on n-octyl alcohol on a four-stage basis, the extraction yield of the dichloropropanol reaches 99%; cross current solvent extraction is also carried out on dutch liquid on a five-stage basis, the extraction yield of the dichloropropanol reaches 91%.