84results about How to "Simple preparation protocol" patented technology

This invention multifunction imager is made based on the surface plasma resonance phenomenon composed of p-polarized parallel light sources, a light incident angle modulation system, a sample transport and analysis system, a reflection light cut-away and modulation system, a detector, and a data register and process system. Said device utilizes the dispersion of P-polarized light and a prism to activate the resonance of sensing film surface plasma to test resonance signals. The resonance image signal or wave length scan resonance signal can be tested by conversion of light sources, the chip research result can be reached by micro-lattice process to sense film to realize spectrum conversion of image and resonance wavelength.

The invention discloses total-synthesis hydraulic oil with a super-long oil change period. The hydraulic oil is characterized by consisting of base oil, an antioxidant, a detergent, a dispersing agent, a corrosion inhibitor, an antifoaming agent, a metal deactivator, a demulsifying agent, an anti-wear agent, an anti-extreme pressure agent, a viscosity index improver and a pour point reducer. In the invention, the production scheme is simple; and the product is cheaper than other products of the same type, has high quality and can effectively and comprehensively improve the performance requirements of lubricating oil. The anti-wear and anti-extreme pressure effects are enhanced to the greatest degree while the properties of lubricating oil including oxidation resistance, corrosion resistance, cleaning and dispersion, foam resistance, rust prevention and prevention of oil sludge generation are comprehensively improved. The life cycle of the hydraulic oil is greatly prolonged, and the noise of mechanical equipment and the energy consumption are reduced. The environmental protection requirements of existing products of the same type are completely exceeded.

The invention relates to a preparation method of silica-coated all-inorganic perovskite core-shell structure quantum dots. The preparation method comprises the following steps: completely dissolving cesium carbonate in n-caprylic acid to obtain a cesium precursor solution, dissolving lead bromide and tetra-n-octylammonium bromide in toluene to obtain a lead bromide/toluene solution; and then, sequentially adding an aminosilane coupling agent and the cesium precursor solution into the lead bromide/toluene solution, stirring for reaction, and separating and drying an obtained product to obtain the target product. Compared with the prior art, the preparation method disclosed by the invention is simple and loose in condition, the fluorescence characteristic of the prepared product is not reduced, the stability is greatly improved compared with that of pure CsPbBr3, and the product can be used as fluorescent powder to be packaged into a photoelectric device for application.

The invention discloses a three-dimensional high-thermal-conductivity and high-electrical-conductivity composite material, a preparation method thereof and an application of the composite material serving as an electrode of a supercapacitor. The preparation method comprises the steps of: 1) using a graphene oxide solution and/or graphene solution as an electrolyte, connecting a porous current collector to a positive electrode of a power supply, and performing electrodeposition to obtain a three-dimensional skeleton; 2) using the three-dimensional skeleton as a working electrode, using a raw material solution used for preparing an active substance as an electrolyte, performing cyclic scanning, and then carrying out annealing processing to obtain a three-dimensional composite material containing the active substance. The three-dimensional composite material prepared by the invention can be directly used as the electrode of the supercapacitor, the integrated electrode preparation methodavoids the usage of a polymer-based adhesive and does not require coating operation, and the preparation scheme is simple and efficient; and the prepared three-dimensional composite material has excellent thermal conductivity and electrical conductivity, has a pseudocapacitor feature, has the advantages of excellent rate performance and good electrochemical performance, and the supercapacitor using the three-dimensional composite material as an electrode has good cycle performance.

The invention discloses fully synthetic super-extreme pressure-resistant industrial gear oil which is characterized by consisting of basic oil, an antioxidant, a detergent, a dispersing agent, a corrosion inhibitor, an anti-foaming agent, a metal deactivator, a demulsifying agent, an anti-wear agent, an extreme pressure-resistant agent, sulfide fatty acid ester, petroleum sodium sulfonate, zinc naphthenate, viscosity index improvers and pour point reducers. According to the invention, the manufacture scheme is simple, the price of the prepared product is lower than that of other similar products, the quality is high, and the various performance requirements of lubricating oil can be effectively and comprehensively improved. The oxidation resistance, corrosion resistance, detergent-dispersant property, foaming resistance, rust resistance and oil sludge resistance of the lubricating oil are comprehensively improved, and the wear-resistant and extreme pressure-resistant effects are improved to the greatest degree. The service cycle of heavy load industrial gear oil is prolonged, noise of mechanical equipment, and the energy consumption is reduced. The industrial gear oil completely goes beyond the environmental-friendly requirements of existing similar products.

The invention relates to a storage and transfer trolley for automobile sliding column assemblies. The storage and transfer trolley comprises a trolley (1), and is characterized by further comprising a storage rack (2) which is rotatably arranged on the trolley (1); the storage rack (2) comprises a rotating shaft (21) and a rotating tray (22); the bottom end of the rotating shaft (21) is connected with the rotating tray (22); a plurality of limiting rod jaws (23) are evenly distributed on the upper part of the rotating shaft (21) in the circumferential direction; a plurality of supporting limiting blocks (27) are evenly distributed on the upper surface of the rotating tray (22) in the circumferential direction; the supporting limiting blocks (27) are matched with the limiting rod jaws (23) one to one to fix the sliding column assemblies (5). The trolley (1) comprises an armrest (11), a bottom frame (12), a bottom frame panel (16) arranged on the bottom frame (12), wheels (13), an upper auxiliary frame (14) and an upper panel (15) arranged on the upper auxiliary frame (14). The storage and transfer trolley is compatible with the sliding column assemblies of a plurality of automobile models for storage and transfer.

The invention discloses a preparation method of a nanogold-loaded magnetic nanometer catalyst. The preparation method comprises the following steps of adopting a hydrothermal method for synthesizing to obtain a magnetic nanoparticle Fe3O4, and coating the magnetic nanoparticlewith silicon dioxide; modifying the silicon-coated magnetic nanoparticle through a sulfydrylsilane coupling agent: fully dispersing the silicon-coated magnetic nanoparticle into an ethanol solution, adding ammonium hydroxide and stirring, then dropwise adding a silane coupling agent solution with sulfydryl, stirring at the room temperature, magnetically separating a production, and washing; loading nanogold onto the sulfhydrylationmagnetic nanoparticle: after dispersing the sulfhydrylationmagnetic nanoparticle into deionized water, adding a nanogold solution, stirring at the room temperature, magnetically separating a production, and washing to obtain the nanogold-loaded magnetic nanometer catalyst. The preparation method provided by the invention is simple and practicable; experiment conditions are mild and easy to meet; the prepared nanogold-loaded magnetic nanometer catalyst can efficiently and quickly catalyze the reduction reaction of p-nitrophenol, and can be reutilized for not less than 8 times.

The invention relates to a color-development-adjustable vanadium dioxide based thermochromic composite material and application thereof. The vanadium dioxide based thermochromic composite material comprises a vanadium dioxide based thermochromic material and an ultraviolet photochromic material, wherein a mass ratio of the vanadium dioxide based thermochromic material to the ultraviolet photochromic material is 1:(0.1-2) and is 5:1-2:1 preferably.

The invention relates to a preparation method of olivary porous stannic oxide sensitive to hydrogen sulfide. The preparation method comprises the steps of respectively dissolving 0.4g of surface active agent polyvinylpyrrolidone (k=30) and 0.8g of polyethylene oxide-polypropylene oxide-polyethylene oxide triblock copolymer (PEO-PPO-PEO) in a solvent prepared by 60ml of deionized water and ethanol solution in a volume ratio of 1:3; dissolving stannous chloride dihydrate and oxalic acid dihydrate in a molar ratio of 1: 10 to 1: 30 in a settled solution of (1); pouring the solution into a 100ml hydrothermal reaction kettle to have hydrothermal reaction at the temperature of 180 DEG C for 12 hours; centrifugally separating, washing and annealing a reaction product to obtain olivary porous stannic oxide nano particles sensitive to hydrogen sulfide. The prepared stannic oxide nano particles are good in selectivity and response property to toxic and harmful gas, namely hydrogen sulfide. The olivary porous stannic oxide has characteristics of simple and easy preparation method, good product performance and the like, so that the stannic oxide nano particles have good application prospects in the field of a gas-sensitive sensor.

The invention relates to a vanadium dioxide-based fluorescent composite material and application thereof. The vanadium dioxide-based fluorescent composite material comprises a vanadium dioxide-based thermochromic material and a fluorescent material for absorbing ultraviolet emission blue light, and the mass ratio of the vanadium dioxide-based thermochromic material to the fluorescence material forabsorbing ultraviolet emission blue light is 1:(0.1-10), preferably 2:1 to 1:2.

The invention relates to a preparation method for a gear oil composite additive. The gear oil composite additive is basically characterized by comprising, by weight, 6-8% of a rusting inhibitor; 8-10% of an antiwear additive; 4-6% of an extreme pressure additive; 4-5% of a solid extreme pressure additive;7-8% of a demulsifying agent; 7-9% of a foam inhibitor; 4-5% of a viscosity index improver; 4-5% of a metal deactivator; 6-7% of boron powder; 4-6% of metal magnesium powder; and the balance base oil. Being economical and practical, the gear oil composite additive provided by the invention has the advantages of simple preparation scheme, strong thermal stability, good high temperature extreme pressure performance, strong oxidation resistance and high wear resistance, can prolong the demulsification life, and can enhance the anti-blistering performance, and the comprehensive performance is stronger than that of similar products. The waste oil can be degradable, thus enhancing the environmental protection requirements.

The invention relates to a preparation method of ionic liquid. The preparation method comprises the following steps: dissolving a water-soluble compound of which negative ions are trifluoro-alkyl sulfimide ions in water to prepare a first aqueous solution; dissolving a water-soluble compound of which positive ions are quaternary ammonium ions or imidazole ions in water to prepare a second aqueous solution; mixing the first aqueous solution and the second aqueous solution together according to a mole ratio of the negative ions to the positive ions of 1:(0.9-1.1), and then performing separation to obtain a crude product; rinsing the crude product to obtain a high-purity product; and performing vacuum drying on the high-purity product to obtain the ionic liquid. The preparation scheme of the ionic liquid provided by the invention is simple and feasible, and is conducive to industrialization; the prepared ionic liquid is high in purity, low in water content, and low in foreign ion content; and the ionic liquid of this type is high in thermal decomposition temperature and low in chroma, and can be used as an antistatic agent with high optical transparence requirements for high-temperature molding plastics.

The invention relates to a composite additive used for industrial gear oil. The composite additive is basically characterized by comprising, by weight, 7-9% of an antioxidant; 6-8% of an anti-abrasion agent; 5-6% of a metal deactivator; 5-7% of an antiwear agent; 4-6% of an extreme pressure agent; 8-10% of a demulsifying agent; 4-5% of a friction modifier; 5-7% of a pour point depressant; 8-10% of a foam inhibitor; 8-10% of metal magnesium powder; 4-6% of graphite, and the balance base oil. Being economical and practical, the composite additive used for industrial gear oil provided by the invention has the advantages of simple preparation scheme, strong thermal stability, good high temperature extrusion performance, strong oxidation resistance, and high wear resistance, can prolong the demulsibility life, also can enhance the anti-foaming performance, and has comprehensive performance superior to that of similar products. The waste oil is degradable, thus improving the environmental protection requirements.

The invention provides a water-soluble fertilizer for radically treating dead seedlings and rotted roots of vegetables and fruit trees in continuous cropping, belonging to the technical field of agriculture. The water-soluble fertilizer comprises the following raw materials in parts by weight: 10-15 parts of ammonium bicarbonate, 6-13 parts of urea, 10-15 parts of ammonium dihydrogen phosphate, 5-10 parts of potassium sulfate, 5-10 parts of calcium chloride, 5-10 parts of magnesium nitrate, 8-16 parts of humic acid, 4-9 parts of amino acid, 2-6 parts of micronutrient elements, 0.7-1.2 parts ofmixed strains, 1-5 parts of a traditional Chinese medicine composition, 0.02-0.05 part of indoleacetic acid, 4-8 parts of glutamic acid and 1.6-2.7 parts of sodium dodecyl benzene sulfonate. The water-soluble fertilizer can effectively improve the micro-ecological environment of soil, enhance soil fertility, promote the growth and development of root systems, improve the nutrient absorption capacity of root systems and avoid the dead seedlings and rotted roots of vegetables and fruit trees.

The invention relates to the technical field of catalysts, in particular to a preparation method of a grafted catalyst for continuous catalytic synthesis of isobutyl isobutyrate. An active center of the grafted catalyst prepared by the method belongs to a molecular form uniformly grafted on a carrier and is higher. Isobutyraldehyde is used as a reactant and reacts under the action of a grafting catalyst to prepare isobutyl isobutyrate, the reaction steps are few, byproducts are avoided, the reaction temperature is low, and the defects that the catalyst is inactivated and is difficult to separate from the product are overcome; besides, no byproducts except water are generated in the reaction process, the influence of water on the product is eliminated, and large-scale production can be achieved. The content of isobutyl isobutyrate in the prepared product is greater than 90%, and the requirements of industrial products are met.

The invention relates to fully effective lubricating oil used for engine. The fully effective lubricating oil is composed of base oil, base liquid, lecithin, a tungsten-rhenium alloy, an anti-oxidant, clearing agent, a dispersant, a corrosion inhibitor, an anti-foaming agent, a metal passivator, a demulsifying agent, an anti-wear agent, an extreme pressure additive, and a viscosity index improver. A production scheme of the lubricating oil is simple, the price of the lubricating oil is lower than that of the other same kind products, and the lubricating oil has high quality and can effectively and comprehensively enhance the performance requirements of the lubricating oil. Anti-oxidation, corrosion resistance, detergency and dispersibility, foaming resistance, rust prevention, and oil sludge generation resistance of the lubricating oil can be comprehensively increased, and anti-wear and anti-extreme pressure performances can be increased at maximum limit. The lubricating oil can prolong the usage period, reduces noise of mechanical equipment, reduces energy consumption, and reduces tail gas discharge. The lubricating oil completely exceeds the environmental protection requirement of the current same kind products.

The invention relates to a composite additive for industrial gear oil. The composite additive for industrial gear oil is basically characterized by comprising, by weight, 7-8% of an antioxidant; 6-8% of a rusting inhibitor; 7-9% of a metal passivator; 8-10% of an antiwear agent; 7-9% of an anti-extreme pressure agent; 8-10% of a demulsifying agent; 2-3% of a pour point depressant; 3-5% of a friction modifier; 6-8% of a foam inhibitor; 12-14% of nanoscale metal magnesium powder; and the balance base oil. Being economical and practical, the composite additive for industrial gear oil provided by the invention has the advantages of simple preparation scheme, strong thermal stability, good high temperature extrusion performance, strong oxidation resistance and high wear resistance, can prolong the demulsibility life, and can enhance the anti-foaming performance, and is superior to similar products in terms of comprehensive performance. The waste oil is degradable, thus improving the environmental protection requirements.