36results about How to "Hinder generation" patented technology

The invention provides a method for improving an interface of a copper-aluminum composite material by using silver plating, and belongs to the field of metal composite materials. The method comprisesthe following steps of plating a layer of metallic silver on the interface of a copper product in contact with an aluminum material, or plating a layer of metallic silver on the interface of the aluminum material in contact with the copper material, then processing and combining the copper material with the aluminum material, and preparing the copper-aluminum composite material after processing and heating treatment. According to the method, silver plating at the interface of copper and aluminum is adopted, so that the formation of brittle and poorly conductive intermetallic compounds at the interface between copper and aluminum is effectively hindered, and the interface bonding and electrical conductivity of the copper-aluminum composite material are improved.

The invention belongs to the technical field of application welding, and particularly discloses an electromagnetic pulse welding method for an aluminium plate and a steel plate. The electromagnetic pulse welding method comprises the steps of coating Zirconia on the to-be-welded surface of the aluminium plate, and then enabling the to-be-welded surface of the aluminium plate to face the to-be-welded surface of the steel plate directly; and finally, welding the aluminium plate with the steel plate through electromagnetic pulses. According to the method, the generation of Fe-Al intermetallic compounds can be avoided effectively, and steel block inclusions in a welded joint are reduced, so that the electromagnetic pulse welding strength of aluminium / steel is improved.

The invention discloses a collagen polypeptide peeling mask which is mainly prepared from the following raw materials in parts by weight: 2-5 parts of hydroxyethyl cellulose, 3-7 parts of arbutin, 1-1.5 parts of sodium alga acid, 4-5 parts of polyethylene glycol, 3.5-4.0 parts of fish skin collagen polypeptide, 6.3-7.0 parts of trehalose, 0.15-0.3 part of grape seed extract, 2-4 parts of licorice root extract, 0.1-0.2 part of phycocyanin, 0.05-0.15 part of antioxidant, 0.5-1.5 parts of preservative, 0.3-0.6 part of compound antibacterial agent, 3-7 parts of glycerinum, 1-3 parts of water-soluble azone and 100-120 parts of natural hydrosol or flower water. The preparation method comprises the following steps: obtaining an intermediate product solution A; obtaining an intermediate product solution B on the basis of the intermediate product solution A; obtaining an intermediate product solution C on the basis of the intermediate product solution B; and finally, adding the residual raw materials into the intermediate product solution C, pouring the obtained materials into a mold for molding, drying at the temperature of 50 DEG C, thereby obtaining the collagen polypeptide peeling mask. The invention also discloses a preparation method of the collagen polypeptide peeling mask.

The invention discloses an electrotinning additive. The electrotinning additive consists of the following raw materials in parts by weight of 0.2-5kg of naphthol ethoxy propoxy addition compounds, 0.2-2.8kg of ethyl alcohol ethylene oxide addition compounds, 0.1-3.2kg of naphthol ethoxy sulfonic acid, 1-6.5kg of polyethylene glycol 1000-10000, 0.02-0.5kg of resorcinol and 0.02-0.5kg of hydroxyl propanesulfonic acid polymers. The preparation method of the electrotinning additive comprises the specific steps of 1.1, adding about 350L of pure water, and switching on equipment for stirring; 1.2, adding a specified amount of the polyethylene glycol 1000-10000, and performing stirring until the polyethylene glycol 1000-10000 completely dissolves; 1.3 adding a specified quantity of the naphthol ethoxy propoxy addition compounds, and performing uniform stirring; 1.4 adding a specified quantity of the ethyl alcohol ethylene oxide addition compounds, and performing uniform stirring; 1.5 adding aspecified amount of the naphthol ethoxy sulfonic acid, and performing uniform stirring; 1.6 adding a specified amount of the resorcinol, and performing uniform stirring; and 1.7 adding a specified quantity of the hydroxyl propanesulfonic acid polymers, and performing uniform stirring. The electrotinning additive disclosed by the invention is good in oxidation resistance effects, the generation oftetravalent tin can be impeded, the life of tank liquor is prolonged, and the electrotinning additive is suitable for VCP production.

The invention relates to the technical field of storage batteries, and particularly relates to an electromobile lead acid storage battery electrolyte. The electrolyte is prepared from following raw materials by weight: 2-3 parts of sodium carboxymethylcellulose, 0.5-2 parts of a succinate, 0.1-0.8 part of bismuth oxide, 0.3-0.7 part of stannous sulfate, 32-36 parts of sulfuric acid and 58-65 parts of water. The electrolyte is capable of avoiding capacity fading in the early stage of the electromobile lead acid storage battery, reducing the water loss in the cycle process, inhibiting generation of large-granule lead sulphate, increasing the battery capacity and prolonging the service lifetime of the battery.

The invention provides an anti-saccharification anti-aging fermentation composition, which is prepared from the following components in parts by mass: 40 to 120 parts of chamomile flower, 40 to 120 parts of herba houttuyniae, 20 to 100 parts of fructus phyllanthi, 10 to 80 parts of fructus crataegi, 0.1 to 3 parts of zymophyte powder, 6 to 40 parts of enzyme preparation and 1500 to 3000 parts of water, the zymophyte powder is prepared from lactobacillus plantarum, lactobacillus acidophilus, lactobacillus casei, bifidobacterium bifidum, lactococcus lactis subsp. Lactis and leuconostoc mesenteroides subsp. Mesenteroides. The medicinal and edible traditional Chinese medicines are used as main components, and under the action of the enzyme preparation and the zymophyte powder, the effective contents of the effective active components quercetin, chlorogenic acid and gallic acid in the traditional Chinese medicines can be increased; through fermentation, macromolecular substances of traditional Chinese medicines are decomposed into micromolecules through microorganisms, so that substance absorption is facilitated; experiments prove that the fermented product has anti-saccharification and anti-aging effects.

The invention discloses an anti-erosion molybdenum alloy electrode and a manufacturing method thereof. The anti-erosion molybdenum alloy electrode is prepared by means of solid-liquid doping and multi-element ball-milling doping. The recrystallization temperature of the electrode is higher than 1300 DEG C, the microstructure of the electrode is uniform crystal grains, the dimensions of which are 20-70 [mu]m, and the electrode is prepared from the following components in percent by weight: 3-5wt% of ZrO2, 0.8-1.2wt% of Si, 0.1-0.5wt% of B, 0.001-3wt% of GeO2, 0.001-3wt% of SnO2, 0.001-3wt% of Bi2O3, 0-5wt% of W and 0-4wt% of Al2O3 and the balance of Mo and inevitable impurities. By controlling the content of zirconium oxide and the proportion of silicon and boron in a Mo-Si-B alloy reasonably, the alloy has good anti-erosion capacity, high recrystallization temperature and high-temperature behavior and also has good processing capacity. In addition, other targeted microelements are alsodoped in the molybdenum alloy electrode, so that the anti-erosion capacity to different molten glass is improved.

The invention relates to building materials, the invention particularly discloses a light thermal insulation material. The light thermal insulation material is prepared from the following components in parts by mass: 25 to 40 parts of cement, 5 to 15 parts of superfine slag powder, 1 to 5 parts of polyphenyl granules, 10 to 25 parts of metakaolin, 1 to 10 parts of fiber, 5 to 15 parts of tile slate tailings and 5 to 10 parts of an alkaline excitant. The preparation method of the light thermal insulation material comprises the following steps: 1, preparing materials, namely sieving tile slate tailings and the superfine slag powder to enable the tile slate tailings and the superfine slag powder to meet the particle size requirement; adopting hemp ropes, and preparing hemp rope fine fibers from the hemp ropes through shearing; 2, carrying out dry mixing on cement, superfine slag powder, polyphenyl granules, metakaolin, fibers, tile slate tailings and the alkaline excitant to obtain a mixture. The light thermal insulation material is light in weight, high in strength and suitable for popularization.

The invention provides a solid electrolyte composite membrane, which comprises an inorganic solid electrolyte and an organic solid electrolyte, wherein the inorganic solid electrolyte forms a layered structure with internal pores, the organic solid electrolyte is filled in the internal pores of the layered structure of the inorganic solid electrolyte, the organic solid electrolyte comprises an organic polymer, and the organic polymer is formed through in-situ polymerization reaction in internal pores of the layered structure of the inorganic solid electrolyte. According to the solid electrolyte composite membrane, gaps of a layered structure of the inorganic solid electrolyte can be fully filled, so that the compactness is improved, the generation of lithium dendrites is prevented, the safety of a solid-state battery is improved, and the service life of the solid-state battery is prolonged.

The invention discloses a preparation method of a multifunctional super-hydrophobic coating with mechanical stability, and belongs to the field of multifunctional application coatings. The method comprises the following steps: respectively dissolving zinc nitrate and potassium hydroxide in deionized water, slowly dropwise adding the zinc nitrate solution into the potassium hydroxide solution under magnetic stirring, transferring the obtained solution into a high-pressure kettle, reacting for 5 hours under mild conditions, centrifuging and drying to obtain zinc oxide with special morphology, and performing hydrophobic modification on the zinc oxide particles obtained by the method by using tridecafluorooctyltriethoxysilane, adding n-hexane, polydimethylsiloxane and absolute ethyl alcohol into a beaker according to a certain proportion, fully stirring, adding modified zinc oxide into the mixed solution, carrying out ultrasonic treatment for half an hour, and finally spraying by using a spray gun to obtain the super-hydrophobic coating. The contact angle of the prepared super-hydrophobic coating reaches 157 degrees, the rolling angle is 4 degrees, and the super-hydrophobic coating has good mechanical stability, photocatalysis and antibacterial ability.

The invention discloses preserved common spiderflower herb with a low salt conent capable of reducing blood pressure. The common spiderflower herb is made through six steps: in the preserving process, the adding amount of table salt is low, and a biological additive is added, so that the content of nitrite generated in the preserving and fermenting process is reduced, and the harm of the preserved common spiderflower herb to human bodies is reduced. In addition, varied food therapy materials having the functions of reducing blood pressure and blood lipid are added on the basis of the common spiderflower herb, so that the preserved common spiderflower herb disclosed by the invention can realize the purpose of effectively reducing the blood pressure of a patient suffering from high blood pressure, and the made common spiderflower herb is delicious in taste and can improve appetite.

The invention discloses a targeted tyrosinase inhibitor, and a preparation method and application thereof and whitening cream, and relates to the field of cosmetics. The inhibitor comprises mesenchymal stem cell exosomes, lecithin, cholesterol, serum albumin and a tyrosinase inhibitor, and the preparation method comprises the following steps: mixing the mesenchymal stem cell exosomes with the lecithin, the cholesterol, the serum albumin and the tyrosinase inhibitor, sequentially carrying out ice bath, water bath oscillation and ultralow-temperature cryopreservation, melting at room temperature, and repeatedly freezing and thawing, and obtaining the targeted tyrosinase inhibitor, wherein the targeted tyrosinase inhibitor can be applied to the field of cosmetics. The arbutin is combined with lecithin, cholesterol and serum albumin at the same time, the chemical stability of the arbutin is improved, the mesenchymal stem cell exosome is adopted as a carrier, the permeability in the skin is improved, and therefore the activity of tyrosinase is effectively inhibited, generation of melanin is hindered, and the whitening and freckle removing effects are achieved.

The invention discloses a desulfurization synergist suitable for wet desulfurization. According to the mass percentage, the raw materials include: 40%-60% of organic synergistic components, 20%-40% of inorganic synergistic components, surfactants 5%-10%, disperse components 5%-10%. The invention is simple to manufacture, does not need heating, is convenient to use, uses less, and is low in cost. The gas ratio can be reduced by 10-20%, and a slurry circulation pump is shut down, and the outlet SO 2 It complies with the emission standard of air pollutants for thermal power plants GB13223-2011.

The invention relates to an anthracene derivative, an organic electroluminescent material, a light-emitting device and a consumer product. The anthracene derivative is a novel organic electroluminescent compound with a seven-membered ring non-planar structure formed by anthracene and biphenyl; wherein the seven-membered ring anthracene derivative increases molecular steric hindrance, hinders the generation of an organic intermolecular excitation-excitation complex, improves internal quantum efficiency, and has a shorter emission wavelength than existing compounds, thereby improving the efficiency and lifespan of an organic electroluminescent device comprising the compound; in addition, the compound improves the solubility in a solution and solves the problems of process productivity and cost of a conventional blue light emitting material.

The invention discloses a flue gas desulfurization system. The flue gas desulfurization system comprises an absorption tower, a wet type electric dust collector, a dehydrating unit and a circulating unit, wherein the absorption tower further comprises a slurry tank which is arranged at the bottom layer of the absorption tower, a flue gas inlet for introducing flue gas into the absorption tower, aspraying device arranged above the flue gas inlet, and a flue gas outlet which is formed in the top of a desulfurization tower. Through the absorption effect of the absorption tower, further dust removal is performed through the wet type electric dust collector, so that a sulfur component and other harmful components in the flue gas are removed, and a second product generated by absorption effectof the absorption tower is processed. Compared with the prior art, the flue gas desulfurization system can improve desulfurization efficiency, reduces corrosion loss in desulfurization reaction, can recycle wastewater generated in a recycling process, and is environmentally friendly and energy-saving.

The invention discloses an anti-erosion molybdenum alloy electrode and a manufacturing method thereof. The anti-erosion molybdenum alloy electrode is prepared by means of solid-liquid doping and multi-element ball-milling doping. The recrystallization temperature of the electrode is higher than 1300 DEG C, the microstructure of the electrode is uniform crystal grains, the dimensions of which are 20-70 [mu]m, and the electrode is prepared from the following components in percent by weight: 3-5wt% of ZrO2, 0.8-1.2wt% of Si, 0.1-0.5wt% of B, 0.001-3wt% of GeO2, 0.001-3wt% of SnO2, 0.001-3wt% of Bi2O3, 0-5wt% of W and 0-4wt% of Al2O3 and the balance of Mo and inevitable impurities. By controlling the content of zirconium oxide and the proportion of silicon and boron in a Mo-Si-B alloy reasonably, the alloy has good anti-erosion capacity, high recrystallization temperature and high-temperature behavior and also has good processing capacity. In addition, other targeted microelements are alsodoped in the molybdenum alloy electrode, so that the anti-erosion capacity to different molten glass is improved.

The invention relates to a multifunctional American ginseng hydrolytic peptide as well as a preparation method and application thereof; the content of active peptide in the American ginseng hydrolytic peptide provided by the invention is up to 85% or above, and the molecular weight range of the active peptide is less than 10kD; The invention further provides a preparation method of the American ginseng hydrolyzed peptide. The method comprises the step of extracting the American ginseng hydrolytic peptide by utilizing an ionic liquid solution and a pepsin-trypsin two-stage digestion process. The method is green and safe in technological process, simple to operate and convenient for large-scale production. The American ginseng hydrolytic peptide provided by the invention is remarkable in functional effect, such as the functions of regulating immunity, reducing blood pressure, reducing blood sugar, resisting inflammation, resisting oxidation and the like; besides, the pharmacodynamic experiments show that a drug combination mode has a synergistic effect on part of symptoms.

The invention relates to the technical field of hydrometallurgy, and provides a method for synergistically strengthening sulfuric acid leaching of chalcopyrite, which comprises the following steps: S1, crushing and grinding chalcopyrite ore blocks to obtain a leached ore sample; s2, a 0-9 g / L Fe < 2 + > solution is added into the leached ore sample, then 0.1-1 mol / L NH4Cl and 10-120 mg / L cetylpyridinium bromide (a pyridine heterocyclic quaternary ammonium salt type cationic surfactant) are added, and the initial pH of a leaching solution is adjusted to be 1.5-3.5 with dilute sulphuric acid; and S3, under the conditions of a certain temperature and a certain rotating speed, the leachate is placed in an oscillator to be oscillated and leached for 10-15 days. By adding NH4Cl and cetylpyridinium bromide, the leaching amount of the copper ions in the chalcopyrite is increased by 0.63-2.75 times, the leaching rate of the chalcopyrite can be remarkably increased, and the method has important significance on development and utilization of low-grade chalcopyrite resources.

The invention discloses an electro-tinning additive. Water serves as a solvent, the electro-tinning additive comprises following components including, by concentration, 0.2-20 g / L of 1-phenyl-2-pentanone, 0.2-20 g / L of 1-(3,4-dyhydroxy phenyl)-1-pentanone, 0.2-20 g / L of naphthol ethoxy sulfonic acid, 1-20 g / L of resorcinol, 1-20 g / L of antioxidant and 1-30 g / L of brightener. By means of the electro-tinning additive, generation of bubbles in the electroplating process can be effectively reduced, oxygen dissolving is reduced, and the electroplating effect is guaranteed.

The invention belongs to the technical field of application welding, and particularly discloses an electromagnetic pulse welding method for an aluminium plate and a steel plate. The electromagnetic pulse welding method comprises the steps of coating Zirconia on the to-be-welded surface of the aluminium plate, and then enabling the to-be-welded surface of the aluminium plate to face the to-be-welded surface of the steel plate directly; and finally, welding the aluminium plate with the steel plate through electromagnetic pulses. According to the method, the generation of Fe-Al intermetallic compounds can be avoided effectively, and steel block inclusions in a welded joint are reduced, so that the electromagnetic pulse welding strength of aluminium / steel is improved.

The invention relates to soldering flux for welding a magnesium-containing aluminum alloy. The soldering flux is prepared from, by mass, 97.5%-99.5% of ALF3-CsF series soldering flux, 0.2%-2.0% of zinc fluoride, 0.1%-0.5% of stannic fluoride and 0.01%-0.03% of iridium fluoride, wherein the mole ratio of ALF3:CsF is 42.5:47.5 or 41.5:48.5.

The present invention relates to one kind of gradient Ti / Al2O3 composite material for the intermediate layer of wave impedance flying plate. The gradient composite material is produced through the steps of mixing material, pressure forming, setting the gradient material inside graphite mold and fast plasma discharge sintering. The material contains Ti in 45-69 wt%, alpha-Al2O3 in 30-50 wt%, and Nb in 0.5-5 wt%. In the gradient material, Ti content is decreased gradiently from maximum value to zero, alpha-Al2O3 content is increased from zero to maximum, and Nb content is decreased, with the Ni content in both the top and bottom layers being zero. The composite material of the present invention has tightly combined interface, integral structure, high compactness, wave impedance distribution index of 2-3, capacity of obtaining good quasi-isoentropic compression waveform, excellent weldability and other advantages.

The invention discloses a preparation method of a lithium dendrite-proof lithium metal battery cathode side interlayer material. Using polyacrylonitrile and carbon nanotubes as raw materials, a CNT@C composite membrane material that prevents lithium dendrites (CNT@C interlayer material, used as a negative electrode for lithium metal batteries) was obtained by preparing membrane liquid, solvent phase inversion, pre-oxidation, and carbonization Side interlayer material), the CNT@C interlayer material with a sponge pore structure and high conductivity is covered on the lithium sheet to protect the negative electrode of the lithium metal battery and prevent lithium dendrites and battery short circuits. at 8mA h cm ‑2 and 8mA cm ‑2 Under the high plating / stripping capacity and current density, the overpotential of Li / CNT@C electrode is about 0.15V after 500h operation. When LiFePO 4 When the full battery is assembled as the positive electrode, the capacity retention rate of the Li / CNT@C battery after 600 cycles is 82.5%, indicating that the CNT@C interlayer material has a better effect on slowing down the growth of lithium dendrites and prolonging the cycle life of the battery.

The invention discloses an electro-tinning additive. Water serves as a solvent, the electro-tinning additive comprises following components including, by concentration, 0.2-20 g / L of 1-phenyl-2-pentanone, 0.2-20 g / L of 1-(3,4-dyhydroxy phenyl)-1-pentanone, 0.2-20 g / L of naphthol ethoxy sulfonic acid, 1-20 g / L of resorcinol, 1-20 g / L of antioxidant and 1-30 g / L of brightener. By means of the electro-tinning additive, generation of bubbles in the electroplating process can be effectively reduced, oxygen dissolving is reduced, and the electroplating effect is guaranteed.

The invention relates to a facial mask combination which is formed by simultaneously using a cream type facial mask and a dry powder type facial mask and can generate carbon dioxide and a preparation method of the facial mask combination. The cream type facial mask mainly contains vitamin C and essence, and the dry powder type facial mask mainly contains sodium bicarbonate. The cream type facial mask is smeared on the face, so that facial skin cells absorb active ingredients in the cream type facial mask, then the dry powder type facial mask covers the cream type facial mask, and at the moment, vitamin C reacts with sodium bicarbonate to generate carbon dioxide. After carbon dioxide permeates into capillaries through facial skin, a Boer effect is generated, and the brain of a human body can sense an oxygen deficit signal that the carbon dioxide concentration of the facial skin is too high, so that the brain can send out an instruction to increase oxygen supply of the facial skin, promote metabolism of skin tissue cells and increase collagen synthesis; meanwhile, the essence also has the effects of nourishing, moisturizing and the like, and can slow down aging and improve the skin after being frequently used, so that the appearance of the skin is improved, and the effects of retaining youthful looks and beautifying are achieved.

The invention discloses a sulfur-containing amino alcohol Schiff base copper complex, and a preparation method and an application thereof. The structural formula of the copper complex is [Cu4(C12H14N2O4S)4], wherein (C12H14N2O4S)<2-> is a sulfur-containing amino alcohol Schiff base anion ligand, namely, L-2-[(5-nitro-2-hydroxyloxy-benzylidene)-amino]-4-methylthio-1-n-butyl alcohol anion. The preparation method comprises the following steps: dissolving L-methioninol in anhydrous methanol, putting the obtained solution into a reaction kettle, adding 5-nitrosalicylaldehyde, adding a potassium hydroxide-anhydrous methanol mixed solution, performing magnetic stirring the solution for 1-2 h at room temperature, adding a methanol solution of a soluble copper salt, performing magnetic stirring for0.5-1.5 h, stopping stirring, taking out a stirring bar, screwing a reaction kettle cover, placing the obtained reaction kettle in a blast constant-temperature drying box, and performing drying at the constant temperature to obtain needlelike and columnar green single crystals that are sulfur-containing amino alcohol Schiff base copper complex [Cu4(C12H14N2O4S)4] single crystals. The copper complex is not only a candidate of antitumor drugs, but also a tumor angiogenesis inhibitor.

The present invention relates to a compound, an organic electroluminescent material containing the compound, an organic electroluminescent device, and an electronic device. The compound of the present invention is used in organic light-emitting layers and the like of organic electroluminescent devices.