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

The present invention provides a detection method and an application of HBV based on CRISPR-Cas12a and G-quadruplex hemin. Processes are as follows: DNA extracted from serum of HBV patients is used asa template, a RPA reaction system comprising an amplification primer pair, rehydration buffer and ddH2O is added to lyophozyme powder, then MgAc is added, the materials are mixed evenly and the mixture is incubated to obtain a RPA product; PS2.M DNA is dissolved in a Tris-HCL solution and a Hemin solution is added to the solution to obtain a PS2.M / Hemin solution; FnCas12a and HBV crRNA are addedto a Tris-HCl buffer and incubated to prepare a Cas12a / crRNA complex solution; and the RPA product, PS2.M / Hemin solution and Cas12a / crRNA complex solution are incubated, and ABTS and H2O2 are added for treatment, and absorbance is measured. The detection method is fast, low in cost, high in accuracy, high in sensitivity and simple in equipment.

The invention discloses an electrolyte for a high-voltage lithium ion battery and the high-voltage lithium ion battery. Additives of the electrolyte comprise ethylene glycol bis(propionitrile) ether and cyclic anhydride containing unsaturated double bonds; the electrolyte is used for the lithium ion battery, and can enable the lithium ion battery to maintain good cycle performance and high-temperature storage characteristic at high voltage.

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 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.

Provided in one embodiment is an electrochemical cell, comprising: (i) a plurality of electrodes, comprising a fuel electrode that comprises aluminum and an air electrode that absorbs gaseous oxygen, the electrodes being operable in a discharge mode wherein the aluminum is oxidized at the fuel electrode and oxygen is reduced at the air electrode, and (ii) an ionically conductive medium, comprising an organic solvent; wherein during non-use of the cell, the organic solvent promotes formation of a protective interface between the aluminum of the fuel electrode and the ionically conductive medium, and wherein at an onset of the discharge mode, at least some of the protective interface is removed from the aluminum to thereafter permit oxidation of the aluminum during the discharge mode.

The present invention discloses a new steel bar rust inhibitor and application thereof, the new steel bar rust inhibitor comprises a compound having a hydroxy amide structure and a composition of the compound having the hydroxy amide structure and an organic carboxylic acid or organic carboxylic acid salt, the organic carboxylic acid salt is a salt which is obtained by reaction of the organic carboxylic acid with at least one or any two of inorganic bases, organic amines and organic alcohol amines, the composition comprises 2% to 35% by mass of the hydroxy amide compound, 0% to 45% by mass of the organic carboxylic acid or the organic carboxylic acid salt, and balance of water, the new steel bar rust inhibitor can be used as a dopping type rust inhibitor and a surface coating type rust inhibitor, and the new steel bar rust inhibitor is suitable for corrosion protection and repair of steel bars of concrete structures in high chloride salt, chloride salt and carbonation coupled environment.

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 discloses eye cream. According to key points of the technical scheme, the eye cream is prepared from the following materials: water, polydimethylsiloxane / vinyl polydimethylsiloxane cross-linked polymer, cyclic penta polydimethylsiloxane, vinyl polydimethylsiloxane / polymethylsiloxane silsesquioxane cross-linked polymer, polydimethylsiloxane (polyethylene glycol) PEG-10 / 15 cross-linked polymer, polydimethylsiloxane, glycerin, CI47005, phenyl polytrimethylsiloxane, sodium chloride, phenoxyethanol, methyl hydroxybenzoate, propyl hydroxybenzoate, salidroside extract, avena sativa kernel extract, centella extract and lavender oil. Compared with the traditional formula, the eye cream has the advantages that multiple plant extracts are added, sufficient nutrients and moisture are supplemented to eyes, elasticity of skins of the eyes is restored, metabolism of cells of the eyes is promoted, and the effect of solving the problems of black eyes, pouch, wrinkles of the eyes and the like is realized, so that the eye cream can solve multiple problems of the eyes and is economic and practical.

The invention relates to a mixed additive for electrolyzing acid etching waste liquid to prepare copper powder and a preparation method of the copper powder. Per liter of a mixed additive aqueous solution comprises the following components: 0-30mg gelatin, 10-40mg oleic acid, 0-50mg sodium hexametaphosphate, 10-70mg hexadecyl trimethyl ammonium chloride, 20-60mg citric acid and 10-40mg ammonium chloride. With the adoption of the mixed additive for electrolysis copper deposition treatment on the etching waste liquid, the superfine copper powder having high added value can be prepared, and recycling of the etching waste liquid is realized. A titanium base oxygen evolution electrode is taken as an electrolytic anode, and no chlorine is liberated during electrolytic regeneration, so that the recycling of the etching waste liquid is realized, and no harm to the environment is caused.

The present invention provides a reagent composition and method for preserving the integrity of nucleic acid in human saliva and an application of the kit composition. The reagent composition comprises urea, sodium lauryl sulfate, trans-1, CDTA, Tris-HCl, sodium ascorbate, propyl p-hydroxybenzoate, diazolidinyl urea, ethanol, sucrose and protease K. The reagent composition and the human saliva aremixed uniformly and then are stored at the normal temperature. The reagent composition and the preservation method can inhibit the nuclease activity and protect nuclease from being contaminated withexternal microorganisms or being oxidized, thereby ensuring the purity and integrity of genomic DNA; and the preservation time is long, the applicable storage temperature range is wide, and the stability of a saliva sample in a process of transportation among acquisition places can be ensured.

The invention relates to the field of lithium ion batteries, and discloses an electrolyte which comprises a high-temperature organic solvent, a positive and negative electrode protection additive andan electrolyte lithium salt, wherein the high-temperature organic solvent comprises the following components in parts by weight of 5-30 parts of ethylene carbonate, 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 additive comprises the following components in parts byweight of 0.2 to 5 parts of ethylene sulfate, 0.2 to 5 parts of fluoroethylene carbonate, 0.2 to 5 parts of difluoroethylene carbonate, 0.2 to 5 parts of a dinitrile organic matter, 0.2 to 3 parts oflithium difluorophosphate, 0.2 to 5 parts of diethylene glycol dipropionitrile ether, 0.2 to 3 parts of lithium fluorosulfonyl imide, 0.1 to 2 parts of 1-propyl phosphoric anhydride, 0.5 to 20 partsof 1, 1, 2, 2-tetrafluoroethyl-2, 2, 3, 3-tetrafluoropropyl ether, 0.1 to 2 parts of lithium oxalyldifluoroborate and 0.1 to 1 part of methylene methanedisulfonate. The electrolyte is excellent in high-temperature resistance, enables the lithium ion battery with high energy density to normally work at the temperature of 70 DEG C or above, and can keep the relatively better endurance.

The invention belongs to the field of solid-state batteries, and particularly relates to an aerogel felt loaded layered solid electrolyte of a lithium battery and a preparation method. The preparationmethod comprises the following steps: a, mixing Li2S and P2S5 according to a molar ratio of 4:1, adding an organic solvent, and carrying out ball milling to obtain a ball-milled slurry; b, atomizingthe ball-milled slurry through an atomizing nozzle, loading a carrier gas into a reaction cavity, and performing plasma heat treatment by taking a silicon dioxide aerogel felt as a substrate; after the reaction is performed for 13h, loading a GeS2 powder by using the carrier gas; and c, taking out the substrate, soaking the substrate in a sodium hydroxide solution, washing and drying the substrate, then placing the substrate in an ethanol dispersion of polyoxyethylene, soaking the substrate, and drying the substrate to obtain the required solid electrolyte material. According to the invention,the solid electrolyte has a higher lithium ion conduction capability.

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.

The invention relates to the technical field of medicines and health-care products, and in particular relates to a product for replenishing nutrient elements necessary for human bodies and a preparation method thereof. The product for replenishing nutrient elements necessary for human bodies comprises 0.1-50 parts by weight of gamma-aminobutyric acid, 5-70 parts by weight of vitamins and auxiliary materials, and 5-50 parts by weight of minerals. The vitamins and the gamma-aminobutyric acid are mixed with mineral raw materials respectively, pelletized, dried, cooled and granulated into products such as granules, tablets and capsules. By using the product for replenishing nutrient elements necessary for human bodies related to the invention, the nutritional deficiency of other multi-vitamin mineral tablets is replenished, and the physiological functions of human bodies can be improved effectively. Components are blended in a proper ratio, so that the physiological effects of sedating, hypnotizing, resisting convulsion, lowering blood pressure and the like can be achieved, the activity of brain can be promoted effectively, the stress is relieved, the sleep is improved, beautifying and skin-moistening functions are realized, the brain ageing function is relayed, and a good blood pressure lowering effect is achieved. Meanwhile, the kidney function can be improved and protected, and fatty liver and obesity are suppressed.

A semiconductor device (201) is provided with a thin film transistor (101) that has an oxide semiconductor layer (5). A source electrode (7) and a drain electrode (9) of the thin film transistor (101) respectively comprise: main layers (7a, 9a) which contain a first metal; lower layers (7c, 9c) which are arranged on the substrate side of the main layers and sequentially comprise, in the following order from the main layer side, lower metal nitride layers that are formed of a nitride of a second metal and lower metal layers that are formed of the second metal; and upper layers (7b, 9b) which are arranged on a side of the main layers, said side being on the reverse side of the substrate side, and which sequentially comprise, in the following order from the main layer side, upper metal nitride layers that are formed of the nitride of the second metal and upper metal layers that are formed of the second metal. The first metal is aluminum or copper, and the second metal is titanium or molybdenum.

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 belongs to the technical field of lithium ion battery materials, and discloses an electrolyte containing a phenyl sulfonate compound and a lithium ion battery. The electrolyte comprises a first additive with a structure shown in a formula (I) and a second additive with an unsaturated bond. The first additive can effectively inhibit and reduce the battery impedance, especially the low-temperature impedance, and further improve the high and low temperature performance of the battery. And the first additive is stable in overall structure and does not need to be stored at low temperature, and an electrolyte using the compound additive does not need to be stored at low temperature, so that the stability of the electrolyte is superior to that of a DTD-containing electrolyte. And the second additive containing unsaturated bonds is matched for use, so that the electrochemical performance, especially the cycle performance, of the battery under high voltage can be further enhanced.

The invention provides a high-voltage-resistant electrolyte for a lithium-rich manganese-based lithium ion battery. The high-voltage-resistant electrolyte comprises a non-aqueous organic solvent, a lithium salt and an electrolyte additive, wherein the electrolyte additive is selected from any one or more of an alkyl-bis(trimethylsilyl) phosphite compound, a disulfonyl compound and cyclic fluorophosphazene. According to the invention, the lithium ion battery electrolyte additive can improve the stability of a lithium-rich positive electrode material, the internal resistance of the battery is effectively reduced, the oxidation-reduction reaction of the electrolyte on the surface of the electrode material is inhibited, the prepared electrolyte has more stable properties under high voltage, the cycle performance of the lithium-rich manganese-based lithium ion battery under high voltage conditions is remarkably improved, and the electrolyte can be widely applied to lithium ion batteries.

The invention relates to the technical field of metallurgy, in particular to a method for producing high-alloy non-oriented silicon steel, the high-alloy non-oriented silicon steel and application of the high-alloy non-oriented silicon steel. According to the method, by optimizing the adding amount, the adding sequence and the adding time of the alloy, the fluctuation interval of the content of each alloy component is effectively reduced, and the precision of the content of each alloy component is remarkably improved.

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.

In one embodiment there is provided an electrochemical cell comprising: (i) a plurality of electrodes including a fuel electrode comprising aluminum and an air electrode absorbing gaseous oxygen, the electrodes operable in a discharge mode, wherein aluminum is oxidized at the fuel electrode and oxygen is reduced at the air electrode, and (ii) an ionically conductive medium comprising an organic solvent; wherein during non-use of the cell, the organic solvent will promote A protective interface is formed between the aluminum of the fuel electrode and the ionically conductive medium, and wherein at least some of the protective interface will be removed from the aluminum at the start of the discharge mode to thereafter allow for The aluminum is oxidized during discharge mode.

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 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 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 semiconductor device (201) includes a thin film transistor (101) having an oxide semiconductor layer (5), and the source electrode (7) and the drain electrode (9) of the thin film transistor (101) respectively have: a main layer containing a first metal (7a, 9a); the lower layer (7c, 9c), which is disposed on the substrate side of the main layer, and sequentially includes a lower metal nitride layer made of a second metal nitride and a lower layer made of a second metal from the main layer side metal layer; and an upper layer (7b, 9b), which is arranged on the side opposite to the substrate of the main layer, and sequentially includes an upper metal nitride layer made of a nitride of a second metal and an upper metal nitride layer made of a second metal nitride from the side of the main layer. For the upper metal layer, the first metal is aluminum or copper, and the second metal is titanium or molybdenum.