513results about How to "Inhibit peroxidation" patented technology

The invention relates to a formula of an aquatic product composite preservative. The formula of the aquatic product composite preservative is characterized in that the aquatic product composite preservative in each liter of distilled water comprises the following components: 0.4 to 0.6 g of muramidase, 2.5 to 3.5 g of tea polyphenol, 16 to 20 g of carboxymethyl chitosan, 10 to 14 g of nisin, 25 to 35 g of potassium sorbate, 17 to 23 g of sodium alginate, 20 to 30 g of lactobacillus, 1.5 to 2.5 g of propolis extracts and 10 to 14 g of spice extracts; and the spice extracting liquid comprises the raw materials: galangal, garlic, onion, cinnamon, clove and rosemary. The aquatic product composite preservative provided by the invention is prepared by compounding biological preservatives, is safe and non-toxic, has simple preparation and application methods, prominent microbial inhibition effect and good preservation effect, can greatly prolong the shelf life of frozen aquatic products, and has important industrial value.

The invention relates to a pre-deoxidation and carburization craft of molten steel with slag in the electric-arc steelmaking furnace, comprising the following steps: (1) charging; (2) electrifying melting; (3) oxygen blowing to boost melting; (4) oxidation refining; (5) temperature measuring and sampling; (6) addition of deoxidizer (7) tapping. The pre-deoxidation and carburization craft of molten steel with slag in the electric-arc steelmaking furnace solves the problems in the prior art of high oxidation of molten steel in the electric-arc steelmaking furnace and low carbon content. The pre-deoxidation and carburization craft of molten steel with slag in the electric-arc steelmaking furnace has the advantages that: 1. the craft has easy operation and obvious effect. The carbon content of the steel in the electric furnace is increased, the oxygen content in molten steel is decreased and over-oxidation of the molten steel is avoided. 2. the addition of deoxidizer used for the molten steel outside the furnace is reduced, impurities content in steel is reduced and yielding rate the of the alloy is enhanced.

The invention discloses an anti-aging skincare mask containing crithmum maritimum. The anti-aging skincare mask is prepared from a skin conditioner component, an auxiliary component and water, wherein the skin conditioner component is prepared from 2%-6% by mass of butanediol, 2%-5% by mass of glycerin, 0.1%-0.5% by mass of a crithmum maritimum extract, 1%-5% by mass of a pseudoalteromonas fermentation product extract, 1%-5% by mass of acetyl hexapeptide-8, 0.5%-3% by mass of a Centella asiatica extract, 0.5%-2% by mass of D-panthenol, 0.03%-0.1% by mass of sodium hyaluronate, 1%-5% by mass of Chamomile German water, 0.5%-3% by mass of corn protein amino acids, 1%-3% by mass of a lotus extract, 0.5%-2% by mass of bio-saccharide gum-1 and 0.1%-0.3% by mass of allantoin. The anti-aging skincare mask containing crithmum maritimum can inhibit lipid peroxidation and inflammatory reaction, rebuild water balance and brighten complexion and has effects of preserving moisture, resisting aging, brightening the complexion and realizing anti-allergic repair.

The invention discloses an aluminum-containing and sulfur-containing series gear steel smelting process. Liquid iron is required to contain 0.20-0.50% of Si, less than or equal to 0.035% of S, and less than or equal to 0.110% of P, and at a temperature T greater than or equal to 1250 DEG C; lime for an electric furnace and refining is required to contain greater than or equal to 90% of CaO and less than or equal to 1.2% of SiO2, and has the activity degree of greater than or equal to 300 and the granularity of 10-40mm; a low-silicon refining agent is required to contain greater than or equal to 45% and less than or equal to 55% of CaO, less than or equal to 2.0% of SiO2, and greater than or equal to 35% and less than or equal to 40% of Al2O3. The liquid iron hot charge ratio of the electric furnace reaches up to 90%; for LF refining, a first strong and later weak deoxidization manner is adopted; at the middle-late stages, a weak deoxidizer is adopted for furnace slag maintenance to realize further deoxidization. Meanwhile, deoxidization and S removal are performed, and then an S wire is fed to obtain a certain S content; in addition, the S wire is allowed to be fed only in more than 5 minutes after the denaturalization treatment of feeding a calcium-iron wire into VD liquid steel, and therefore, the formation of CaS inclusion in a clogging material at other water gap is prevented; and at last, the castability of the liquid steel is guaranteed while excellent structural properties of the steel product are obtained, and the purity of the liquid steel is improved.

The invention discloses a Chinese herbal medicine premix added in a puffed snakehead compound particle feed, which comprises the following components by weight proportioning: Artemisia annua to Forsythia Suspensa to radix sophorae flavescentis to radix bupleuri to folium eucalypti to radix gentianaeto common andrographis herb to folium artemisiae argyi to apocynum venetum is 3-5:1-3:1-3:2-5:3-5:2-5:2-4:1-3:1-3. The invention also discloses a puffed snakehead compound particle feed comprising the basic formula of fish meal and bean pulp, and 1-5 weight percent of the Chinese herbal medicine premix is added in the basic formula. The puffed snakehead compound particle feed of the invention can strengthen snakehead immunological capability, prevent and treat diseases and improve snakehead meat quality and flavour.

The invention discloses a beautifying and nursing essence and a preparation method thereof. The essence is prepared from an epidermis cell nutrient solution and contains a plurality of cell growth factors, amino acids and vitamins. The essence mainly comprises an epidermal growth factor, a fibroblast growth factor, collagen type I, a stem cell growth factor, a horn cell growth factor and amino acids and vitamins including gamma-aminobutyric acid, coenzyme Q, medical vitamin C, medical vitamin B5 and medical vitamin E. The preparation method for the essence comprises the following steps: acquisition of epidermis of umbilical cord tissue of a newborn; cell culture; collection of a cell nutrient solution; filtration sterilization; condensation of a volume; addition of active components; addition of glycerin and hyaluronic acid; etc. The beautifying and nursing essence provides a plurality of endogenous nutritional ingredients with physiological activity for the skin, can promote metabolism of epidermis cells and repair damaged cells, has a moisture retention effect and is applicable to skin beautifying and nursing.

The invention relates to a polyamide polyamide high-efficiency chelate disperse stabilizer and relative production. Wherein, said stabilizer is formed by macromolecule polymer, alkyl poly-glycoside hydrolysate, and water, while their components are 60-95, 5-10, and 0-30; the chelate Ca=800mg/g. The molecule weight of said invention is 500-2000. And its production can avoid dangerous chemicals, with better degradation, strong chelate ability.

The invention belongs to the technical field of steelmaking, and particularly relates to a dynamic control method for refining ultra-low carbon steel through RH CO2 spraying. The dynamic control method is suitable for a 30-300 t RH ladle refining process. In the RH refining process, O2 and CO2 are adopted as top-blowing gases, Ar and CO2 are used as lifting gases; molten steel components in the refining process are predicted based on material conservation according to RH refining in-station molten steel component data, refining process furnace gas component data and vacuum equipment working conditions; the top blowing and lifting gas flow is dynamically adjusted according to requirements of target components of refined molten steel stage by stage; on the basis of strengthening the stirringeffect of the RH refining process, the nitrogen content in the molten steel is further reduced, and the quality of molten steel is improved; and meanwhile, excessive oxidation of the molten steel inthe RH decarbonization process is avoided, the consumption of a deoxidized alloy is reduced, and on the basis of reducing the consumption of Ar, the production cost is further reduced, and the refining period is shortened. As a result, the alloy consumption is reduced by 3%-8%, the RH refining period is shortened by 1-2 minutes, the denitrification amount is increased by (3-10)*10<-6>, and the quality of the molten steel is improved.

The invention discloses a GO (graphene oxide) and g-C3N4 composite modified membrane material. A preparation method includes steps: activating an original membrane to recover original membrane flux; adding a surfactant into GO and g-C3N4 mixed dispersion liquid to obtain mixed liquid; soaking the activated original membrane into the mixed liquid to realize ultrafiltration adsorption, and soaking the membrane into aniline hydrochloric acid solution; taking out after soaking is finished, and soaking in hydrochloric acid solution of ammonium persulfate immediately to enable interface polymerization reaction; finally, drying the membrane to obtain the composite modified membrane material. By an ultrafiltration adsorption and interface polymerization combined modification method, GO and g-C3N4are combined for surface composite modification of the membrane material, and a visible light responsive catalytic modified membrane is developed. The novel modified membrane is low in preparation cost and recyclable, pollution resistance is remarkably improved, firmness in modifying agent and photocatalyst loading is achieved, the visible catalytic performance and hydrophilic performance are remarkably enhanced, the forbidden bandwidth of a membrane function layer is decreased, the problem of secondary pollution is avoided, and a promising application prospect is achieved.

The invention relates to a fruit jelly capable of relieving asthenopia, comprising 0.1-15wt% of L-arabinose, 0-0.001wt% of vitamin A, 0.0001-0.0003wt% of xanthophylls, 0-0.01wt% of zinc element and 0.1-30wt% of filler and/or flavouring additive, and the balance of water. The invention realizes ice cream fruit jelly capable of relieving asthenopia in the prior art, and conventional substances for producing fruit jelly are adopted, thus solving the technical problems that the effect for reliving asthenopia of the fruit jelly ice cream is limited and commodity value is reduced, thereby being a fruit jelly which can effectively relieve asthenopia and has good taste.

The invention discloses an exothermic agent for converter molten iron with a low heating value, which comprises the following components in percentage by weight: 31-44 percent of carbonaceous material, 35-48 percent of siliceous material, 6-14 percent of bauxite, 4-10 percent of iron granules or scrap iron and 4-8 percent of binder, and the bulk specific weight of the exothermic agent is 2.2-3.5ton/m<3>. The exothermic agent for the converter molten iron with the low heating value has the characteristic of raising the temperature obviously and promoting slagging for low-silicon and low-temperature molten iron, and can improve the dephosphorizing capability of converter slag.

The invention relates to a biological-source nutritional preservative for seafood. The biological-source nutritional preservative is characterized in that each liter of the distilled water of the biological-source nutritional preservative contains 0.4-0.6g of lysozyme, 2.5-3.5g of tea polyphenols, 20-28g of carboxymethyl chitosan, 10-14g of nisin, 17-23g of sodium alginate, 20-30g of lactobacillus, 1.5-2.5g of propolis extract and 10-14g of spice extract, wherein the spice extract is made of rhizoma galangae, garlic, onion, cinnamon, clove and rosemary. The biological-source nutritional preservative has the advantages that the biological-source nutritional preservative is compound by biological preservatives and is safe, nontoxic, simple in preparation and application method, outstanding in microorganism inhibition effect, good in preservation effect, capable of greatly prolonging the shelf life of the seafood and high in industry value.

The invention discloses a preparation method for an electroactive polypyrrole film. The preparation method comprises the following steps of: preparing an aqueous solution of single pyrrole, an electrolyte solution and a protonic acid solution; secondly, mixing the three solutions; and obtaining a polypyrrole film electrode material on a conducting substrate by using a unipolar pulse electric polymerization. According to the preparation method disclosed by the invention, the operation is simple; products are easily obtained; no oxidant is needed; and the secondary pollution caused by the oxidant is avoided. The polypyrrole film electrode material prepared by the method in a neural solution has higher discharging stability.

The invention discloses a traditional Chinese medicine formula with effects of removing freckles and whitening and a preparation method thereof and belongs to the technical field of human health careproducts. The traditional Chinese medicine formula contains the following raw materials: 4-18 parts of ganoderma lucidum, 9-36 parts of tricholoma matsutake, 3-12 parts of ginseng, 1-4 parts of bearberry leaf extract, 3-12 parts of rhizoma polygonati, 3-12 parts of bighead atractylodes rhizome, 1-6 parts of bletilla striata, 3-12 parts of white paeony root, 3-12 parts of ampelopsis japonica, 3-12parts of silkworm larva, 4-12 parts of poria cocos, 1-6 parts of angelica sinensis, 3-9 parts of paeonia lactiflora, 3-12 parts of astragalus, 1-5 parts of almond, 2-10 parts of semen coicis, 1-5 parts of fructus kochiae, 1-5 parts of cortex dictamni, 1-5 parts of liquorice and 2-6 parts of mint. The whitening and freckle removing skin care product provided by the invention is mild and non-irritating, can be applicable to population with sensitive skin, is simple and convenient to use, natural and zero in side effect and has excellent application prospects.

The invention provides a functional drink with a function of relieving visual fatigue and a preparation method thereof, belonging to the technical field of functional drinks. The functional drink with the function of relieving the visual fatigue is prepared from five raw materials of lutein, medlar, chrysanthemum, white granulated sugar and citric acid, wherein the lutein is extracted from marigold; the functional drink is prepared by adopting a series of steps of pretreating raw materials, extracting, blending and the like. The functional drink prepared by adopting the preparation method is safe and reliable in raw materials; meanwhile, no caffeine, preservative and artificial color are added, and the functional drink has functions of improving the eyesight and relieving the visual fatigue.

The invention discloses a method for extracting an active polysaccharide from the seaweed, which comprises the steps of seaweed cleaning, seaweed crushing treatment, seaweed degreasing treatment, enzymolysis treatment, super extraction, concentration, protein removal treatment, decolorization treatment, alcohol precipitation and the like. The method for extracting an active polysaccharide from theseaweed comprises the following steps of: firstly carrying out superfine grinding on the seaweed, extracting the polysaccharide of the seaweed by adopting a mode of combining microwave-assisted enzymolysis and super extraction, thereby achieving a good cell wall breaking effect, effectively improving the leaching rate of the polysaccharide and the extraction efficiency is greatly improved, the process route is simple, and the production cost is low. The method for extracting an active polysaccharide from the seaweed is simple and feasible, the extraction conversion rate and the purity of thepolysaccharide are higher, the industrial production is easy with higher safety, and the economic value of the seaweed is greatly improved., The method has mild deproteinization and decolorization processes, shortens the process flow, reduces the energy consumption and the consumption of organic solvents, which is more suitable for large-scale production and application.