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97results about How to "Add new varieties" patented technology

New technology for plating golden yellow on automotive hub

The invention discloses new technology for plating golden yellow on an automotive hub, which comprises the technical steps: galvanizing, pre-plating copper, brightly plating copper, plating nickel, plating golden yellow, and the like. The chemical composition formula contained in each L of plating solution is that: galvanizing solution comprises 220 to 240g of potassium chloride, 40 to 55g of zinc chloride, 30 to 35g of boric acid, and 15 to 25ml of brightener; copper pre-plating solution comprises 70 to 85g of copper phosphate, 280 to 350g of phosphor copper potassium, 4 to 6ml of ammonia water, and 3 to 5ml of brightener; the bright copper plating solution comprises 200 to 220g of copper sulfate, 70 to 90g of sulfuric acid, 0.06 to 0.08g of chloride ion, and 4 to 8ml of brightener; nickel plating solution comprises 260 to 300g of nickel sulfate, 30 to 50g of nickel chloride, 30 to 40g of boric acid, 0.6 to 1ml of brightener, 8 to 12ml of softening agent, and 2 to 4ml of wetting agent; and golden yellow plating solution comprises 120 to 140g of imitation gold salt and 2 to 4ml of ammonia water. After the plating, water washing and drying are performed, and a polyurethane paint is sprayed on the surface of the automotive hub. The new technology for plating golden yellow on the automotive hub radically eliminates the damage and environmental pollution of sodium cyanide and chromic anhydride to human bodies; the plated golden yellow automotive hub is luxurious and attractive, has strong corrosion resistance, and is suitable for high-class automotive assembly.
Owner:梁新中

Soybean active lactic acid bacteria beverage and production method thereof

The present invention relates to a lactobacillus drink, in particular to a soybean active lactobacillus drink and a production method of the soybean active lactobacillus drink. The soybean active lactobacillus drink of the present invention adopts the soybean milk as the base material and also comprises the compositions in weight percentage of 10 to 20 percent sugar, 0.02 to 0.06 percent essences, 0.2 to 0.6 percent stabilizing agents and 0.005 to 0.01 percent bacterium. The production method of the soybean active lactobacillus drink of the present invention comprises the procedures that the soy bean is pulp refined with hot water after the immersion and the soybean milk is made by filtering the pulp; after added with the sugar, the soybean milk is uniformly mixed, sterilized and cooled, and then the soybean milk is added with the bacterium for fermentation; after the fermentation, the soybean milk is added with water, sugar, stabilizing agent and the essences to be mixed to soybean active lactobacillus drink after the homogenization, bottle filling and sealing. The soybean active lactobacillus drink of the present invention contains the soybean protein and other soybean active compositions, also has the active lactic bacteria and the metabolite of the active lactic bacteria and has good taste and flavor, which can satisfy the more requirements of the consumers and has a favorable economic benefit and a favorable social benefit.
Owner:广州科盛生物科技有限公司

Amide-type bis-hydroxypropyl sulphobetaine surfactant as well as preparation method and application thereof

The invention provides an amide-type bis-hydroxypropyl sulphobetaine surfactant as well as a preparation method and an application thereof. The amide-type bis-hydroxypropyl sulphobetaine surfactant is characterized in that a molecular structure formula is RCON[(CH2)3N<+>(CH3)2X<->]2, wherein R is C11-C17 alkyl; and X is CH2CH(OH)CH2SO3. The method is characterized by comprising the following steps: feeding bi-N,N-(hydroxypropyl sulphobetaine propyl) secondary amine and fatty acid chloride at the molar ratio of (1-1.05) to 1; slowly dropwise adding a chloroform solution of the bi-N,N-(hydroxypropyl sulphobetaine propyl) secondary amine to the fatty acid chloride under N2 protection; simultaneously taking out hydrogen chloride by nitrogen, and carrying out thermal reaction at 0-15 DEG C for 5-8 hours, wherein the conversion ratio of the fatty acid chloride is greater than 98%; and pouring the obtained crude product into N,N-dimethyl formamide, re-crystallizing for three times, drying solid matters in vacuum for 48 hours, and removing a solvent, so as to obtain the amide-type bis-hydroxypropyl sulphobetaine surfactant. The molecular structure of the surfactant provided by the invention is Y-shaped; the formed micellar structure is loose due to a special structure; and solubilizing of organic pollutants is facilitated.
Owner:JIANGNAN UNIV

High-purity ultra-fine titanium dioxide prepared from industrial metatitanic acid and preparation method of titanium dioxide

The invention relates to a preparation method of titanium dioxide, in particular to a method for preparing high-purity ultra-fine titanium dioxide by industrial metatitanic acid. The method includes the steps: a, beating dispersion: washing and bleaching hydrolyzed metatitanic acid, adding water for dilution, performing beating and ultrasonic dispersion to obtain slurry, adding dispersing agents into the slurry and performing dispersion to obtain metatitanic acid slurry; b, curing: curing the metatitanic acid slurry, cooling the metatitanic acid slurry to 60-70 DEG C, and filtering and washing the metatitanic acid slurry until ferrous ions are removed to obtain a purified metatitanic acid filter cake; c, calcining: adding water to the metatitanic acid filter cake, performing ultrasonic dispersion and calcining, cooling the filter cake to room temperature, and crushing and grinding the filter cake to obtain the titanium dioxide. By the aid of an impurity ion occurrence form in hydrolyzed metatitanic acid particles and composition and structural characteristics of the metatitanic acid, the high-purity ultra-fine titanium dioxide is directly prepared by dispersion, washing, curing, calcining and the like, new varieties of the titanium dioxide can be increased, product application can be functionalized, and the method has a wide application prospect.
Owner:天津金玺科技发展有限公司

Silver mine tailings ultra-fine activated fine powder and preparation technology thereof

The invention discloses silver mine tailings ultra-fine activated fine powder and a preparation technology thereof. According to the present invention, the technical route comprising crushing screening, washing and impurity removing, component adjusting, mixing drying, ultra-fine grinding, vortex powder separation and other operation units is set, the special and originally-designed technical equipment such as a vibrating type water flow washing impurity removing machine and a cage type rotor vortex ultra-fine powder separator is used, and silver mine tailings are adopted as a raw material to produce the silver mine tailings ultra-fine activated fine powder, wherein the outstanding characteristics of complete system, advanced and mature technology, high production efficiency, good operation quality and the like are provided; the produced silver mine tailings ultra-fine activated fine powder can be used for the large-scale replacement of the cement clinker to produce the high-performance cement products, can further be used as the fine material so as to be directly used for mixing the high-strength concrete, and can further be used as the high-quality building decoration product main raw material; and the multiple benefits such as solid waste resource utilization, environmental pollution control, energy source consumption reducing, material variety increasing, and the like can be achieved.
Owner:四平市昊平建材科技有限公司

Amino-acid ester derivative cation type chiral ionic liquid and preparation method thereof

The invention provides an amino-acid ester derivative cation type chiral ionic liquid and a preparation method thereof. A general formula of the amino-acid ester derivative cation type chiral ionic liquid is A<+>X<->, wherein A<+> represents an amino-acid ester cation derivative, and X<-> represents one of BF4<->, PF6<-> and HSO4<->. The preparation method comprises steps as follows: amino acid, methyl alcohol and thionyl chloride react at the low temperature, and amino acid ester hydrochloride is obtained; amino acid ester hydrochloride has a Mannich reaction with paraformaldehyde and acetone, and amino acid ester derivative Mannich base is obtained; amino acid ester derivative Mannich base reacts with bromo-hydrocarbon, and a bromate type chiral ionic liquid of the amino-acid ester derivative is obtained; bromide ions of the bromate type chiral ionic liquid of the amino-acid ester derivative are exchanged, and the amino-acid ester derivative cation type chiral ionic liquid is obtained. The amino-acid ester derivative cation type chiral ionic liquid has the multiple advantages of high selectivity of a chiral substance as well as non-volatility, non-toxicity and pollution prevention of an ionic liquid, and is suitable for large-scale production of the fine chemical industry.
Owner:TANGSHAN NORMAL UNIV

Parent fish breeding and artificial maturity promoting and spawning induction method for platax teira

InactiveCN109220903AGuarantee the quality of broodstockQuality assuranceClimate change adaptationPisciculture and aquariaPlatax teiraBroodstock
The invention provides a parent fish breeding and artificial maturity promoting and spawning induction method for platax teira. The method comprises the steps of 1, parent fish breeding and sifting, wherein fry of platax teira are put in a breeding net cage for breeding, and reserved parent fishes are sifted and continue to be bred to obtain parent fishes to be subjected to spawning induction reinforcement; 2, reinforcement of parent fish maturity promoting breeding, wherein the parent fishes to be subjected to spawning induction reinforcement are subjected to reinforced breeding; 3, spawninginduction of the parent fishes, wherein the a spawning induction agent is injected into the parent fishes which are subjected to reinforced maturity promoting breeding for artificial spawning induction; 4, collection and treatment of fertilized eggs, wherein the fertilized eggs in a spawning bag are collected, and the collected fertilized eggs are sifted to complete parent fish breeding and artificial maturity promoting and spawning induction for platax teira. According to the method, net cage breeding is adopted for parent fish breeding of platax teira, breeding individuals are periodically sifted, and the high-quality reserved parent fishes are obtained; meanwhile, breeding management and nutrient enrichment are reinforced, development and maturation of gonads of the parent fishes are promoted, the spawning induction agent and dosage for the parent fishes are optimally determined, and artificial maturity promoting and spawning induction for platax teira is achieved.
Owner:SOUTH CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI

New bio-derived horn-fetal-bone material and application thereof

The invention provides a new bio-derived horn-fetal-bone material, and belongs to the field of orthopedics transplanting materials. A preparing method of the new bio-derived horn-fetal-bone material includes the steps that a blood-stopping horn fetal bone of a mammalian artiodactyla bovidae animal is taken and stored for 22-26 mouths at the normal temperature after a membrane of the horn fetal bone is removed; the horn fetal bone stored at the normal temperature is degreased and subjected to protein removing and antigen extracting treatment to be processed into a shape required by bone coloboma or internal fixation, and the new bio-derived horn-fetal-bone material is obtained. The physicochemical properties and the biological properties of the new material are quite similar to the properties of a cancellous bone of the human body, and the new material has good histocompatibility, the good natural biological microenvironment, the good biomechanics microenvironment, the good blood-vessel fast-growing microenvironment and the good hole lumen microenvironment, has the advantages of being low in antigenicity, high in physical supportability, mechanical strength and toughness and the like, further has the advantages of being rich in source, low in cost, stable in property, easy to sterilize and suitable for storage and transportation, can serve as an ideal orthopedics direct transplantation or fixing material, and can be applied to orthopedics transplantation.
Owner:郭琛琨
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