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49results about How to "Original and innovative" patented technology

Activity enhancer for shrimps, crabs and fish in aquaculture and preparation method thereof

The invention discloses an activity enhancer for shrimps, crabs and fish in aquaculture and a preparation method thereof. The enhancer comprises the following components in parts by weight: 15-20 parts of calcium gluconate, 25-35 parts of light calcium carbonate, 15-25 parts of calcium hydrophosphate, 20-30 parts of natural anti-stress factor, 10-15 parts of amino acid and 5-10 parts of sodium percarbonate; and the natural anti-stress factor comprises the following components in parts by weight: 13-18 parts of manyprickle acathopanax root, 12-15 parts of indigo woad root, 9-12 parts of baical skullcap root, 9-12 parts of cape jasmine fruit, 7-10 parts of artemtsm, 6-8 parts of Chinese angelica, 6-8 parts of raidx astragali, 4-7 parts of rheum officinale, 4-7 parts of campanumaea pilosula, 6-9 parts of salvia miltiorrhiza bunge, 5-7 parts of tree peony bark and 5-8 parts of uncaria. The preparation method comprises the following steps: adding the raw materials into a reaction kettle for stirring and mixing; heating the reaction kettle, standing and curing to obtain a finished product; and the natural anti-stress factor is prepared by crushing the materials into powder. The invention provides an ecological preparation with high nutrition, no antibiotic and no harmful chemicals for shrimps, crabs and fish.
Owner:苏兴

Elastic material containing nitrated casing glycan, its preparing method and use thereof

An elastic material containing nitrated chitin is produced from polyurethane prepolycondensate, nitrated chitin and 1,1,1-trimethylol propane by stirring and reacting in tetrahydrofuran, curing at 18 - 100deg.C for 4 - 24h. It has good mechanical strength, elasticity and bio-degradation, is easily and simply produced to be coating materials, utensils or films in medical, chemical, environment-protective or daily-used fields.
Owner:WUHAN UNIV

Composite elastic chitin whisker material and its prepn and use

The present invention provides composite elastic chitin whisker material. The composite elastic chitin-whisker material consists of chitin whisker and water thinned polyester type polyurethane compounded together. The preparation process of the composite elastic chitin whisker material includes the following steps: preparing chitin whisker and water thinned polyester type polyurethane as materials, mixing chitin whisker and polyurethane in the weight ratio of 5 to 95-30 to 70 at room temperature to form mixture solution with solid content of 5-8 %, stirring reaction or ultrasonic treatment, and curing at 40-60 deg.c. The prepared composite elastic chitin whisker material has high mechanical strength, high elasticity, bacteriostasis and biodegradability, and may be used in making bacteriostatic utensil, membrane material and medical bandage.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

Polymer solar cell with reverse structure and preparation method thereof

The invention discloses a polymer solar cell with a reverse structure and a preparation method thereof and relates to a solid apparatus especially suitable for converting optical energy into electric energy. The cell is a polymer solar cell which is of a reverse structure and has a three-component photoactivity film in a layered structure; the polymer solar cell is composed of a cathode layer, anorganic N-type doped electron hole barrier layer, a three-component photoactivity layer, an organic P-type doped electron hole transmission layer and an anode layer which are orderly deposited on a glass substrate, wherein the mass proportion of the three-component film is as follows: P3HT:PC61BM:BCP=12:10:(0.01-12):10:0.1 or PCPDTBT:PC71BM:Bphen=12:15:(0.01-12):15:0.1. The energy conversion efficiency of the three-component photoactivity layer is 20% higher than the existing two-component photoactivity layer, and a filling factor is further 10% higher than that in the prior art; and meanwhile, the defects of the existing polymer solar cell with a reverse structure are overcome.
Owner:HEBEI UNIV OF TECH

Method for preparing environment-friendly pigment printing binder

The invention relates to a method for preparing a waterborne polyacrylate pigment printing binder, characterized by carrying out copolymerization on three kinds of monomers of unsaturated hard monomer, soft monomer and acrylic acid by an emulsion under the emulsification of a non-ionic emulsifier, belonging to the technical field of preparing waterborne paints. The method comprises the following steps: adding a certain amount of aqueous medium, emulsifier, initiator, methyl methacrylate or styrene, butyl acrylate, acrylic acid and the like in a reactor by a semi-continuous process at a temperature of 70-85 DEG C, and polymerizing for 4-7 h. According to the invention, high storage stability, good film forming property, and good glossiness are achieved. A material having transparency and excellent elasticity can be prepared by precipitation polymerization. Because no monomer that causes pollution to the environment exists in the synthesis process, and the degradation process does not generate polluting compounds, the material is a paint having excellent environmental protection performance, and can be used as slurry for printing binders and spinning. The preparation method has the advantages of simple steps, easy operation, and convenient popularization, and has economic benefits and social benefits.
Owner:WUHAN TEXTILE UNIV

Large stadium pipe truss and spiral duct modularization installation method and combination structure

The invention discloses a large stadium pipe truss and spiral duct modularization installation method and a combination structure. The installation method includes the steps of module division of pipe trusses and spiral ducts; factory manufacturing of pipe truss module units and spiral duct module units; assembling of pipe truss modules and spiral duct modules on a construction site. The combination structure is formed by arranging the spiral duct module units into the pipe truss module units through a plurality of fixing units in a penetrating mode. According to the large stadium pipe truss and spiral duct modularization installation method and the combination structure, truss structures and the spiral ducts are modularly assembled on the ground according to design models, the trusses and the ducts are hoisted at the same time, so a mechanical and electrical installation construction procedure and a steel structure construction procedure are combined into one, working time is greatly shortened, work high above the ground and setting up of auxiliary facilities are greatly reduced, the technical level and the efficiency are improved, meanwhile installation time is shortened, and safety of constructors is guaranteed.
Owner:CHINA CONSTR IND & ENERGY ENG GRP CO LTD

Preparation method of high-specific-activity urofollitropin

The invention relates to a preparation method of high-specific-activity urofollitropin, which comprises the following steps: adding a Tris-HCl equilibrium liquid with the pH value of 7.4 into low-purity menotrophin, passing through an anti-luteinizing-hormone antibody gel column, purifying and concentrating; sequentially carrying out anion-exchange chromatography, cation-exchange chromatography and blue sepharose dye affinity chromatography; collecting the washing liquid, and detecting washing liquid with a 280nm ultraviolet spectrophotometer; and when the OD (optical density) value is 0.002, collecting the washing liquid, purifying, concentrating, precipitating with absolute ethanol, and dehydrating to obtain the high-specific-activity urofollitropin of which the specific activity is higher than or equal to 10000 international units / mg protein. The preparation technique provided by the invention is simple and convenient to operate; the specific activity of the prepared urofollitropin is higher than or equal to 10000 international units / mg protein; and the product has high activity and high purity.
Owner:RIZHAO XINKANG BIOLOGICAL TECH

Half interpenetration polymer network materal and preparation process and application thereof

The invention discloses a benzyl starch-castor oil-based polyurethane semi-interpenetrating polymer network material and its preparing method and application, blending castor oil-based polyurethane prepolymer, benzyl starch and 1, 4-butanediol in N, N-dimethyl formylamine to react, then solidifying without adding in solidifying agent at 50-80 deg.C for 4-12 hours and obtaining the product. The new material has good mechanical property, excellent photopermeability and biodegradability as well as simple and convenient producing course. It can act as biodegradable material for paints, apparatuses and films, and has application prospect in the fields of medicine, commodity, chemical industry and environmental protection.
Owner:WUHAN UNIV

Industrial value chain network configuration intelligent integrated system computing technological base

An industrial value chain network configuration intelligent integrated system computing technological base is based on a brand-new logic basis, mathematical foundation and scientific foundation and aims at transforming a 'cloud' computing system into a 'universe' computing system integrating everything, uses a internet user as a center, further uses multi-level value chain (GVC) as a center, adopts connection and coordination of a cognitive system and a practice system based on a computer auxiliary system and internet as a principal line of a high-level intelligent integration system (HIIS) evolution course, and is built by building a network configuration dynamic basic model, a normal form and equation system, a game organization synergetic basic model and a normal form and equation system.
Owner:李宗诚

Preparation method of vinyl chloride-ethylene copolymer with network toughening structure

The invention relates to the technical field of functional polymers, in particular to a preparation method of a vinyl chloride-ethylene copolymer with a network toughening structure. The preparation method of the vinyl chloride-ethylene copolymer with a network toughening structure comprises the following steps: in the presence of a crystallization rate regulator, mixing and stirring ethylene and a dispersant to obtain a modified ethylene monomer, and copolymerizing the modified ethylene monomer and a vinyl chloride emulsion, wherein the crystallization rate regulator comprises at least one selected from (a) amorphous silicic acid or silicate with the specific surface area of more than or equal to 100 m<2> / g, (b) inorganic metal compounds with the specific surface area of more than or equal to 100 m<2> / g and (c) organic acid salts or organic polyols with the particle size of 0.1-30 microns.
Owner:浙江华慧塑业有限公司

Highly active oxoaporphinoid-rhodium (III) complex, and synthetic methods and application thereof

The invention discloses a highly active oxoaporphinoid-rhodium (III) complex, and synthetic methods and an application thereof. The complex can be synthesized through adopting three different methods. The three synthetic methods gradually become simple from complex, and are completely different from present synthetic methods of oxoaporphinoid-metal complxes. The inhibition effect of a ligand OGC, an oxoglaucine-rhodium (III) complex and the complex disclosed in the invention on various tumor cell strains and in vivo tumor inhibition of the complex disclosed in the invention are investigated in the invention, and results show that complex disclosed in the invention has substantially enhanced in vitro and in vivo antitumor activity, and has far higher antitumor activity than the ligand OGC and the oxoglaucine-rhodium (III) complex. The structural formula of the highly active oxoaporphinoid-rhodium (III) complex is represented by formula (I) shown in the description.
Owner:GUANGXI NORMAL UNIV

Indole hemicyanine fluorescent probe, preparation method and application to detection of cyanide ions

The invention provides an indole hemicyanine fluorescent probe, a preparation method and application to detection of cyanide ions and particularly relates to a probe, i.e., 2-(2-(2-chloro-7-diethylaminoquinoline-3-yl)vinyl-N,3,3-trimethyl-3H-indole (QIE). The probe is prepared by taking 2-chloro-7-diethylaminoquinoline-3-formaldehyde and N,2,3,3-tetramethyl-3H-indole as raw materials and carryingout condensation. After the cyanide ions react with the QIE, a solution becomes colorless from purple when being observed by naked eyes; the solution becomes bright yellow green fluorescence from darkpurple fluorescence under the action of an ultraviolet lamp with 365 nm. The lowest detection limit for detecting the cyanide ions through an ultraviolet-visible spectrophotometry is 1.05*10<-6> mol / L and the lowest detection limit for detecting the cyanide ions through a fluorescence spectrophotometry is 4.16*10<-8> mol / L. The qualitative and quantitative detection of micro / trace cyanide ions ofsamples with different sources is realized through double channels including the ultraviolet-visible spectrophotometry and the fluorescence spectrophotometry.
Owner:CHINA THREE GORGES UNIV

ICT technical support design for enterprise value chain network configuration value measurement

An ICT (Information and Communication Technology) technical support design for enterprise value chain network configuration value measurement is a new technology established by establishing a brand-new logic foundation, a mathematical foundation and a scientific foundation, taking Internet users as centers, further taking a global value chain (GVC) as a center, coupling and coordinating a cognitive system and a practice system based on a computer aided system and Internet to serve as a main line of an evolution process of a highly intelligent integrated system (HIIS) and establishing basic models, normal forms and equation systems of network configuration dynamics and game organization synergetics in order to transform a cloud computing system into a universal world computing system.
Owner:李宗诚

Elastic material containing nitrated casing glycan, its preparing method and use thereof

The invention discloses an elastic material with a semi-interpenetrating network structure synthesized by nitrated chitosan and polyester polyurethane, a preparation method and application thereof. The product is obtained by stirring and reacting polyester polyurethane prepolymer, nitrated chitosan and 1,1,1-trimethylol propane in tetrahydrofuran and solidifying at 18-100 DEG C for 4-24 hours. This new material has good mechanical strength, high elasticity and biodegradability, and the production process is simple and convenient. It can be used as a biodegradable coating, appliance and membrane material, and has application prospects in the fields of medicine, daily use, chemical industry and environmental protection.
Owner:WUHAN UNIV

Sodium dithionite colorimetric fluorescent probe as well as preparation method and application thereof

The invention provides a colorimetric fluorescent bifunctional molecular probe, a preparation method of the probe and an application of the probe in detection of illegal additivesodium dithionite in food samples, and belongs to the technical field of analytical chemistry. The probe has a molecular formula of C29H31N4O<+> and a structural formula represented by a formula I shown in the description.The sodium dithionite colorimetric fluorescent bifunctional molecular probe designed by the invention has a simple preparation method and a mature synthetic route, can realize direct detection of thesodium dithionite, and has the characteristics of good selectivity, a fast detection speed, high sensitivity and obvious color change; and the method provided by the invention has original innovationand good social value, and is expected to be applied to the detection of illegal additives such as the sodium dithionite in food.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Analysis detection method for chromium metal element in solid food sample

The invention provides an analysis detection method for a chromium metal element in a solid food sample. The analysis detection method comprises the steps of: (1) dissolving the solid food sample by adopting hydrophilic ionic liquid; (2) adding deionized water to enable cellulose to be precipitated out, and filtering; and (3) carrying out chromium content detection on aqueous solution of the hydrophilic ionic liquid by graphite furnace atomic absorption spectrometry. The method has the advantages of high sensitivity, high universality, simplicity and convenience for operation and the like.
Owner:武汉海关技术中心

Silicon-bridged metallocene complex containing nitrogen heterocyclic ring structures and application thereof

The invention relates to a preparation method and application of an olefin polymerization reaction catalyst, in particular to a silicon-bridged metallocene complex with nitrogen heterocyclic ring structures and application thereof. Molecules of the designed novel silicon-bridged metallocene complex contain three different nitrogen heterocyclic ring structures, and the distances from nitrogen atomsto a metal center are different, so that different chemical environments are provided for the metal center, and the metallocene complex with a novel structure is constructed. By changing a skeleton structure and a substituent group, the three-dimensional effect and the electronic effect of the metallocene complex can be conveniently regulated and controlled, the catalytic performance is regulatedand controlled, and polyolefin high polymer materials with different structures and properties are prepared.
Owner:SHANDONG JINCHENG PETROCHEMICAL GRP CO LTD

Analysis and detection method of chromium metal element in solid food samples

The present invention provides a method for analyzing and detecting chromium metal elements in a solid food sample, comprising: (1) dissolving the solid food sample by using a hydrophilic ionic liquid; (2) adding deionized water to precipitate cellulose, and filtering (3) Chromium content detection was carried out on the aqueous solution of hydrophilic ionic liquid by graphite furnace atomic absorption spectrometry. The method has the advantages of high sensitivity, strong universality and simple operation.
Owner:武汉海关技术中心

Information communication technology (ICT) support design for global value chain planning, configuration, coordination and organization

An ICT support design for global value chain planning, configuration, coordination and organization is a new technology established to modify a 'cloud' calculation system into a 'heaven and earth' calculation system converging the universe through establishment of a basic model, a normal form and an equation system of network configuration dynamics and a basic model, a normal form and an equation system of game organization synergetics with internet users serving as a center, a multi-level global value chain (GVC) as the center and the link and the coordination conducted by a cognitive system and a practice system on the basis of a computer aided system and internets serving as a principal line of a high-level intelligent integrated system (HIIS) evolution process on the basis of establishment of a new logic foundation, a new mathematical foundation and a new scientific foundation.
Owner:李宗诚

A preparation method and application of an antineoplastic drug screening model targeting 4.1r and CD29

A preparation method and application of an anti-tumor drug screening model targeting 4.1R and CD29, using protein 4.1R gene knockout mice as experimental materials to prepare C57BL / 6J 4.1R- / -MEF primary cells, using Immortalized C57BL / 6J 4.1R- / -MEF obtained by SV40 large T antigen transformation method. The purpose of the invention is to provide an in vitro cell screening model for new drug screening and gene therapy with protein 4.1R and CD29 as drug targets. The advantage is that it avoids the limitations of drug screening and production with 4.1R as the therapeutic target due to the high cost of raising gene knockout animals and the limited passage of primary cells in vitro. Reduce the production cost of targeted new drugs. In the C57BL / 6J 4.1R- / -MEF established by the present invention, the activation of CD29 on the cell surface is inhibited due to the absence of 4.1R, which can be used to target CD29 for research and cell proliferation and migration, cytokine secretion, cell signaling Screening models for new anti-tumor drugs related to transduction regulation and tumor drug resistance.
Owner:ZHENGZHOU UNIV

Preparation and application of a type I hyaluronidase fluorescent nanosensor

The invention discloses a polymer nanometer sensor and its application for detecting type 1 hyaluronidase (Hyal-1). Based on the principle of differential degradation of hyaluronic polymer nanomicelles by different hyaluronidases, the invention encapsulates hydrogen bond-induced enhanced dye molecules in nanomicelles, and uses this stimulus-responsive nanomaterial to regulate the relationship between dyes and water. Intermolecular interaction, design of highly selective and sensitive Hyal-1 fluorescent nanosensor. The type-1 hyaluronidase detection kit includes a type-1 hyaluronidase fluorescent nanometer sensor and a solvent. The results show that the kit has the advantages of high specificity, good sensitivity, easy operation, economical and practical, and realizes the detection of Hyal‑1 in actual urine samples. Therefore, the inventive method has original innovation, good social value and application prospect, and is expected to be applied to the detection and analysis of Hyal-1 in the urine of bladder cancer patients.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY

ICT (Information Communication Technology) support design for planning allocation main body of global value chain

The invention discloses an ICT (Information Communication Technology) support design for planning allocation main body of a global value chain. Based on the establishment of the brand-new logical foundation, mathematic foundation and scientific foundation, the ICT support design is a new technology established by establishing the basic model, paradigm and equation system of network configuration dynamics and the basic model, paradigm and equation system of a game organization and cooperation science by taking internet users as a center, further taking a multi-level global value chain (GVC) as a center, and taking connection and coordination made by a recognition system and a practice system based on a computer aided system and the internet as a main line of an evolution process of a high-grade intelligent integration system (HIIS), so that a 'cloud' computation system into a 'universe' computation system for connecting everything is transformed.
Owner:李宗诚

Design on ICT (information communication technology) technical support of global value chain market allocation mechanism

The invention is the 481st item in 600 items of patent clusters for invention (generic name: 'Global Value Chain Network Technical Support System [DCN / IIL (VC)]) formally submitted to the State Patent Office by an applicant Li Zongcheng through an electronic system in September 2011. The design on the ICT (information communication technology) technical support of a global value chain market allocation mechanism is a new technology established for transforming a 'cloud' computing system into an all-inclusive 'universe' computing system, and implemented through establishing the basic model, normal form and equation system of network configuration dynamics and the basic model, normal form and equation system of game organization synergetics on the basis of establishing a bran-new logical foundation, a bran-new mathematical foundation and a bran-new scientific foundation and by centering on Internet users and then centering on multi-level value chain (GVC global value chain), and taking the connection and coordination (performed based on a computer aided system and the Internet) of a cognitive system and a practice system as the principal line of an evolution process of a high-grade intelligent integration system (HIIS).
Owner:李宗诚

Silicon-bridged metallocene complex with C2 symmetrical structure and application thereof

The invention relates to a preparation method and application of an olefin polymerization reaction catalyst, in particular to a silicon-bridged metallocene complex with a C2 symmetrical structure andapplication thereof. Molecules of the silicon-bridged metallocene complex with the novel C2 symmetric structure in the invention contain seven different ligand structures, and ligands have chemical groups with different electron donating capacities, so different chemical environments are provided for a metal center, and the metallocene complex with the novel structure is constructed. By changing askeleton structure and substituent groups, the three-dimensional effect and the electronic effect of the metallocene complex can be conveniently regulated and controlled, so the catalytic performanceis regulated and controlled, and polyolefin high polymer materials with different structures and properties are prepared.
Owner:山东清河化工科技有限公司

Polymer solar cell with reverse structure and preparation method thereof

The invention discloses a polymer solar cell with a reverse structure and a preparation method thereof and relates to a solid apparatus especially suitable for converting optical energy into electric energy. The cell is a polymer solar cell which is of a reverse structure and has a three-component photoactivity film in a layered structure; the polymer solar cell is composed of a cathode layer, anorganic N-type doped electron hole barrier layer, a three-component photoactivity layer, an organic P-type doped electron hole transmission layer and an anode layer which are orderly deposited on a glass substrate, wherein the mass proportion of the three-component film is as follows: P3HT:PC61BM:BCP=12:10:(0.01-12):10:0.1 or PCPDTBT:PC71BM:Bphen=12:15:(0.01-12):15:0.1. The energy conversion efficiency of the three-component photoactivity layer is 20% higher than the existing two-component photoactivity layer, and a filling factor is further 10% higher than that in the prior art; and meanwhile, the defects of the existing polymer solar cell with a reverse structure are overcome.
Owner:HEBEI UNIV OF TECH
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