31results about How to "Inhibition of redox reactions" patented technology

The invention provides a scrub and a preparation method thereof. The preparation raw materials of the scrub include: scrub, base oil, thickener and makeup remover; the scrub includes solid sugar and solid alcohol. The scrub uses solid sugar and solid alcohol as scrubbing agents, massages and rubs through the particles, and cleans deeply, which can effectively promote the exfoliation of aging keratinocytes; the scrubbing agent, base oil, thickener and makeup remover cooperate with each other to synergize , thoroughly remove the oil-soluble dirt on the skin, supplement the skin with moisture and nutrition, eliminate peroxynitrite anions related to pigmentation, and inhibit the oxidation-reduction reaction of oxygen free radicals. Therefore, the scrub cream of the present invention has the effects of exfoliation, moisturizing and oil control, anti-oxidation and whitening.

The invention discloses an eye cream, the main point of which is the technical proposal, including the following materials: water, polydimethylsiloxane / vinyl polydimethylsiloxane crosslinked polymer, cyclopentasiloxane Oxane, Vinyl Dimethicone / Methicone Silsesquioxane Crosspolymer, Dimethicone PEG‑10 / 15 Crosspolymer, Dimethicone Silicone, Glycerin, CI47005, Phenyl Trimethicone, Sodium Chloride, Phenoxyethanol, Methylparaben, Propylparaben, Rhododendron Extract, Oat Kernel Extract, Centella Asiatica Extract medicine, lavender oil. The present invention is different from the traditional formula, adding a variety of plant extracts, supplementing sufficient nutrients and water to the eyes, restoring the elasticity of the eye skin, promoting the metabolism of eye cells, and at the same time solving dark circles, eye bags, eye wrinkles, etc. Problem Action, one eye cream that addresses multiple eye concerns at an affordable price.

The invention discloses a steel bar rust inhibitor and its application. The steel bar rust inhibitor includes a compound with a hydroxyamide structure and a composition thereof with an organic carboxylic acid or an organic carboxylate. The organic carboxylic acid The salt is the salt formed by the reaction of the organic carboxylic acid with at least one or any two of the inorganic base, organic amine, and organic alcohol amine. The ratio is: hydroxyamide accounts for 2% to 35% of the total mass fraction, organic carboxylic acid or salt accounts for 0% to 45% of the total mass fraction, and the balance is water; It can also be used as a surface coating rust inhibitor. The rust inhibitor for steel bars is suitable for the corrosion protection and repair of steel bars in concrete structures under high chloride salt and the coupling environment of chloride salt and carbonation.

The invention discloses a preparation method of a copper sulfide demercuration agent. The method comprises the following steps: 1, uniformly mixing a soluble copper salt solution with an ethylene diamine solution, adding ammonia water, and mixing to obtain a premix solution, wherein a molar ratio of the copper salt to the ethylene diamine solution to ammonia water is 1:(1-2.5):(1-10); 2, adding the premix solution to a thiourea solution, and uniformly mixing to obtain an impregnation solution; and 3, immersing a carrier in the impregnation, draining, activating at 60-95DEG C for 1-5h, and drying. The content of copper sulfide in the prepared demercuration agent is 100%, the demercuration agent has no impurities, and the preparation method has the advantages of simplicity and easy realization of reaction conditions.

The invention discloses reinforcing steel bar corrosion inhibitor of alkanolamide series and a preparation method and application of the reinforcing steel bar corrosion inhibitor. The preparation method of the reinforcing steel bar corrosion inhibitor of alkanolamide series comprises the steps of adding organic carboxylic acid or organic acyl chloride to solvent, adding alcohol amine for forming a reaction system, conducting a reaction for 3-12 hours at the temperature of 40-180 DEG C under the action of a catalyst, and obtaining the reinforcing steel bar corrosion inhibitor of alkanolamide series. The reinforcing steel bar corrosion inhibitor of alkanolamide series is simple in synthetic process and has the advantages of being efficient in corrosion inhibition, green, environmentally friendly and the like.

The invention provides a detection method and application of EBV based on CRISPR-Cas12a and G quadruplex-heme. The method comprises the following steps: taking DNA extracted from EBV patient serum asa template, adding an RPA reaction system containing an amplification primer pair, a re-swelling buffer solution and ddH2O into freeze-dried enzyme powder, then adding MgAc, uniformly mixing and incubating to obtain a PRA product; dissolving PS2. M DNA in a Tris-HCL solution, adding a Hemin solution into the solution to prepare a PS2.M / Hemin solution; adding FnCas12a and EBV crRNA to the Tris-HClbuffer solution, executing incubation to prepare a Cas12a / crRNA complex solution; incubating an RPA product, the PS2.M / Hemin solution, the Cas12a / crRNA complex solution and determining absorbance after treatment with ABTS and H202. The detection method is rapid, low in cost, high in accuracy, high in sensitivity and simple in equipment.

The invention relates to the field of lithium-ion batteries, and discloses an electrolyte, including a high-temperature organic solvent, positive and negative electrode protection additives, and electrolyte lithium salt; wherein, the high-temperature organic solvent includes the following components in parts by weight: ethylene carbonate 5-30 parts, 5-30 parts of propylene carbonate, 5-30 parts of diethyl carbonate, 5-50 parts of propyl propionate and 1-10 parts of fluorobenzene; the positive and negative electrode protection additives include the following parts by weight Components: 0.2-5 parts of vinyl sulfate, 0.2-5 parts of fluoroethylene carbonate, 0.2-5 parts of difluoroethylene carbonate, 0.2-5 parts of dinitrile organic matter, 0.2-3 parts of lithium difluorophosphate, bis 0.2-5 parts of ethylene glycol bispropionitrile ether, 0.2-3 parts of lithium fluorosulfonimide, 0.1-2 parts of 1-propyl phosphoric anhydride, 1,1,2,2-tetrafluoroethyl-2,2 , 0.5-20 parts of 3,3-tetrafluoropropyl ether, 0.1-2 parts of lithium difluorooxalate borate and 0.1-1 part of methylene disulfonate. The electrolyte solution has excellent high-temperature resistance performance, can enable lithium-ion batteries with high energy density to work normally at a temperature above 70° C., and can maintain better battery life.

The invention provides a polyacrylamide aqueous solution mine-field sampling viscosity stabilizing agent. The polyacrylamide aqueous solution mine-field sampling viscosity stabilizing agent is prepared from a Fe2+ ion complexing agent, a radical scavenger, and a deoxidant at a molar ratio of 2:0.5-1.5:0.5-1.5. The Fe2+ ion complexing agent is dipyridyl; the radical scavenger is a phenol mixture, and the phenol mixture is composed of phenol and resorcinol at a molar ratio of 3:0.5-1.5; and the deoxidant is thiourea. The polyacrylamide aqueous solution mine-field sampling viscosity stabilizing agent is capable of avoiding viscosity reduction of polyacrylamide aqueous solution in sampling processes caused by degradation; it is shown by comparing mine-field sampled polyacrylamide aqueous solution with in-door simulated polyacrylamide aqueous solution that mine-field sampling is capable of ensuring authenticity of sampling viscosity, and excellent application effect of mine-field sampling is achieved.

The invention relates to a mixed additive for electrolyzing alkaline etching waste fluid, and a method for preparing copper powder with the mixed additive. Every litre of the aqueous solution of the mixed additive comprises the following components of 10 mg to 40 mg of urea, 0 mg to 30 mg of sodium hexametaphosphate, 0 mg to 30 mg of dodecyl trimethyl ammonium chloride, 10 mg to 50 mg of citrate, 10 mg to 70 mg of methyl trioctyl ammonium chloride, and 10 mg to 30 mg of triethanolamine. The mixed additive is adopted for carrying out electrolysis copper deposition treatment on the alkaline etching waste fluid, superfine copper powder with high additional value can be prepared, and recycling of the etching fluid is realized. Because a chlorine inhibition and oxygen evolution electrode is adopted as the electrolysis anode, no chlorine is separated out in the process of electrolysis regeneration, and no damage is caused to the environment while beneficial reuse of the etching waste fluid is realized.