196results about How to "Affinity" patented technology

The invention provides human interleukin interleukin-2 (IL-2)/Fc fusion protein. The human IL-2 of the fusion protein comprises all sequences of a human IL-2 extracellular region; the Fc fragments comprise a hinge region, a CH2 region and a CH3 region; the human IL-2/Fc sequences are fused directly or through a connection sequence; and the Fc fragments are human or animal IgG, IgM, IgD and IgA orsubtypes thereof. The ADCC and CDC effective factor action can be eliminated, and in addition, the human IL-2/Fc fusion protein has the compatibility with a recombinant IL-2 receptor so that the half-life period is obviously prolonged and also has all the biological activity of the IL-2 receptor. The IL-2/Fc obviously improves the humoral immune response stimulated by the hepatitis B vaccine and the immunity of the CD8+T cells targeted to the hepatitis B vaccine. Moreover, the balance immune (suppression) of the effective T cells and the regulatory t cells can be adjusted under the action of the cyclosporine A so that the pancreatic islet transplantation immune tolerance is induced.

A joint part 1 excellent in both properties of low fuel permeability and weldability. The joint part 1 includes a cylindrical main body 2, a welding member 3, provided on the cylindrical main body, to be welded on a rim of an opening end of a resin fuel tank 4, wherein the main body and the welding member are integrally formed by an alloy prepared by using main components of following components (A) and (B) and kneading the alloy at a temperature of not more than melting points of the component (A) and a following component (b), and the component (B) is present at an amount of 80 to 300 parts by volume based on 100 parts by volume of the component (A), and a modification ratio of the component (b) is 0.1 to 5% by weight; (A) an ethylene vinyl alcohol copolymer (B) a high density polyethylene wherein a following component (b) is a main component; (b) a modified high density polyethylene having at least one functional group selected from the group consisting of a maleic anhydride group and the like.

A modified polypropylene fibre for preventing the cracking of cement concrete is prepared through adding the modified high polymer resin to polypropylene resin, fusing, spinning and surface treating with ethanolamine alkylphosphate. Its advantages are high effect and performance, and low cost.

The invention discloses an instant collagen lyophilized ball which comprises the following components in percentage by mass: 14-20% of collagen, 10-15% of trehalose, 10-15% of pullulan, 30-56% of mannitol and 10-20% of sterile injection water. The invention further discloses a preparation method of the instant collagen lyophilized ball. The instant collagen lyophilized ball has the repairing function; the prepared collagen lyophilized ball has very strong hydrophilicity, can be quickly and uniformly dissolved in the use moment, and can be used for reparation and maintenance of skin suffered from medical plastic surgeries of laser, photon, refrigeration, high frequency, grinding, face-lifting and the like; the instant collagen lyophilized ball can be used for treating skin damages, caused by acne or trauma, of depressed scars, couperose skin symptom, skin atrophy, sun burn, heat injury and the like. The instant collagen lyophilized ball prepared according to the method has very strong hydrophilicity, can be uniformly dissolved instantly when in use, is more convenient and fast to use and long in guarantee period, can be stored at the room temperature, and is very convenient to store.

To provide a conductive adhesive composition which is used for the purpose of forming a conductive adhesive layer that is interposed between a collector and an electrode active material layer, the conductive adhesive layer capable of preventing decomposition of the electrolyte solution by reducing residual water and able to be formed as a thinner layer, while still providing sufficient adhesion between the collector and the electrode active material layer. A conductive adhesive composition of the present invention contains a conductive carbon material, a water-soluble polymer and a binder, and is characterized in that the water-soluble polymer is a copolymer that contains an ethylenically unsaturated carboxylic acid monomer unit, a (meth) acrylic acid ester monomer unit and a fluorine-containing (meth)acrylic acid ester monomer unit.

The invention relates to a process for removing tar oil with gasification gas. At present, the operating cost and the maintenance cost of the present process for removing tar oil are high, and the second pollution of the waste water of tar oil is brought out. The concrete steps of the invention are that waste rubber and plastic used for schizolysis are conveyed to a schizolysis furnace and oil gas mixture and solid charcoal are generated after the heat schizolysis reaction, the oil gas mixture produced by the schizolysis reaction is separated via a rectifying tower and then oil products and gas are generated, and the distillate with the temperature of 200-350 DEG C is separated out as oil washing distillation cut which is employed to absorb the tar oil in the gasification gas which contains tar oil. Compared with the existing technology, the process for removing tar oil in gasification gas has high process reliability, increases the thermal value of the gas, reduces the operation cost , produces no waste water of tar oil, and promotes the added value of the tar product .

The invention relates to a carbon quantum dot-copper ion fluorescent probe and a preparation method and application thereof. The method includes that carbon quantum dots with strong fluorescence are synthesized by the aid of a microwave hydrothermal method, fluorescence strength of the carbon quantum dots are greatly reduced by the aid of copper ions, the copper ions are composited on surfaces ofthe carbon quantum dots, surface energy is transferred, CQDs/Cu<2+> with weak fluorescence is formed, a glucose solution is added, pH value is adjusted to 7, heating is performed at the temperature of80DEG C, glucose and the copper ions undergo 'copper mirror reaction' to be oxidized to gluconic acid, and the copper ions are reduced to be precipitated to be Cu2O2. The fluorescence spectrum test shows that after the glucose solution is added, glucose is catalyzed and oxidized through the copper ions on the carbon quantum dots CQDs for reaction and is removed from surfaces of the CQDs, and thestrong fluorescence on the CQDs is restored. The carbon quantum dot-copper ion fluorescent probe based CQDs/Cu<2+> is applicable to effective detection of the glucose under non-enzymatic environment.

The invention discloses a polyaryletherketone resin-based suspension sizing agent for carbon fibers and a preparation method thereof. The suspension sizing agent is composed of a polyaryletherketone resin, a dispersant, a stabilizer and deionized water. The suspension sizing agent has stable properties and can be used for preparing carbon fibers. The prepared sizing carbon fibers are suitable forintermediates such as carbon fiber fabrics and prepregs for polyaryletherketone resin-based composite materials, and have good processing performances and interface binding ability.

The invention relates to an environment-friendly long-acting type nano-silver base wood and bamboo material antibacterial mould inhibitor and a preparing method and application thereof. The antibacterial mould inhibitor is rapidly prepared with carboxymethyl chitosan, silver salt and a reducing agent serving as raw materials and water serving as a solvent through an efficient microwave radiation method. According to the prepared nano-silver base wood and bamboo material antibacterial mould inhibitor, silver nanoparticles are uniform in particle size and are evenly distributed in a carboxymethyl chitosan base, and agglomeration is not likely to happen; the nano-silver base wood and bamboo material antibacterial mould inhibitor can be well combined with a wood and bamboo material, has high wide spectrum efficiency and is high in loss resistance and durable in antibacterial effect; and in addition, the particle size is small and viscosity is low so that the antibacterial mould inhibitor can better enter a processed material. According to the method, the raw materials are cheap, the technology is simple, operation is convenient, the production efficiency is high, the product reproducibility is high, no complex and expensive equipment is needed, no pollution is caused to the environment, energy consumption is reduced, and industrial popularization is facilitated.

The invention discloses an efficient soothing anti-allergy repair polypeptide composition and an application thereof. The efficient soothing anti-allergy repair polypeptide composition provided by theinvention comprises acetyl heptapeptide-4, oligopeptide, palmitoyl tripeptide-8, palmitoyl tetrapeptide-7, heptapeptide-6, 10-30% of butanediol, glycerol, water, carbomer and sodium lactate, and a pHrange is 4.0-6.0. The polypeptides in the composition can have effective synergistic effects, and compared with a single polypeptide and a combination of part of the polypeptides in the composition,the polypeptide composition has more effective anti-allergy repair effects and shows obvious synergistic effects. The anti-allergy repair polypeptide composition covers three aspects of a skin sensitivity forming mechanism, has a brand-new barrier repair mechanism, effectively regulates and controls sensory nerve overreaction and reduces inflammatory aging, and therefore is an ideal and comprehensive anti-allergy repair product.

The invention discloses a preparation method of a low-smoke non-halogen flame-retardant material for a high-voltage cable sheath. The preparation method comprises the following steps of: mixing inorganic flame retardants magnesium hydroxide and aluminum hydroxide in a high-speed mixer at high rotation speed of 900 rpm-1100 rpm until the temperature is 80 DEG C-90 DEG C, dehydrating, and utilizing a 172 silane coupling agent to carry out spraying process; adding the inorganic flame retardant magnesium hydroxide, aluminum hydroxide and metallocene polyethylene ethylene vinyl acetate copolymer the melt index of which is 2-8, acroleic acid grafting high density polyethylene, organic silicon cave, molybdenum disulfide, an antioxygen as well as a lubricating agent after the 172 silane coupling agent treatment in a masticator so as to knead; when the temperature of material to be kneaded rises to 125 DEG C-135 DEG C, placing the kneaded lumpish material to an elevator so as to deliver the material a fusant cone feeding machine, using the feeding machine to place the material in a dual-screw rod extruding machine to carry out extrusion and milling, and enabling the extruded and milled material to enter a single-screw rod extruding machine so as to manufacture granules; and adopting a die surface hot cutting granulating process, enabling the manufactured granules to enter a first-stage whirlwind cooling segregator, a second-stage whirlwind cooling segregator, an air cooling oscillating screen and a third-stage whirlwind cooling segregator through a fan transfer pipeline, thus obtaining finished material. Such prepared sheath material has the advantages of high mechanical property, good wearability and cohesive property, so that when a cable is installed and laid, a cable sheath layer is not easy to abrade and rupture.

The invention belongs to the technical field of microorganisms, and particularly relates to a composite phosphorus solubilizing microbial agent. The composite phosphorus solubilizing microbial agent is prepared by mixing and fermenting a phosphorus solubilizing bacterium WS32 and a phosphorus solubilizing bacterium P1616, the phosphorus solubilizing bacterium WS32 is classified and named as Pseudomonas sp., and was deposited in the China Center for Type Culture Collection on Jun. 09, 2017 with the number of CCTCC NO: M 2017319; and the phosphorus solubilizing bacterium P1616 is classified and name as Bacillus sp., and was deposited in the China Center for Type Culture Collection on Jun. 02, 2017 with the number of CCTCC NO: M 2017298. The composite phosphorus solubilizing microbial agent has the beneficial effects that WS32 and P1616 has compatibility with wheat, WS32, P1616 and the wheat can be subjected to agglutination reaction, and WS32 and P1616 can settle down and survive in roots of the wheat for a long time, and have effect of promoting growth of the wheat; and the composite phosphorus solubilizing microbial agent has high ability of producing organic acid and phosphatase, and the phosphorus solubilizing and resolving effect is efficient.

The invention discloses a low smoke zero halogen flame retardant material for a high voltage cable jacket. The low smoke zero halogen flame retardant material comprises the following components in percent by weight: 10-20 percent of metallocene polyethylene, 2-5 percent of ethylene vinyl acetate copolymer with a melt index of 2-8, 10-15 percent of acrylic acid grafted high density polyethylene, 20-30 percent of magnesium hydrate as an inorganic flame retardant, 30-40 percent of aluminum hydroxide as an inorganic flame retardant, 20-30 percent of organosilicone, 0.5-1 percent of molybdenum disulfide, 0.2-1 percent of 172 silane coupling agent, 0.5-1 percent of an antioxygen and 1-2 percent of a lubricating agent. By adopting effective matching of materials of a compatilizer acrylic acid grafted high density polyethylene, special modified polyethylene metallocene polyethylene, ethylene vinyl acetate copolymer and the like of a halogen-free flame retardant material, the mechanical strength and the hardness of the low smoke zero halogen flame retardant material are improved; through adding a silicon series lubricating agent and a molybdenum series lubricating agent in a material formula system, lower friction coefficient is realized on the surface of the low smoke zero halogen flame retardant material, and the abrasion resistance of the cable jacket can be effectively improved through good mechanical strength and wear-resistant property of the low smoke zero halogen flame retardant material; and the inorganic flame retardants are coupled by adopting the 172 silane coupling agent, so that the caking property of the jacket material and the graphite or conductive polyethylene layer material on the surface of the jacket material is good, the conductive material is prevented from separating, partial discharge current of a cable can not be effectively released, and the high-voltage cable is effectively used.

The invention discloses and provides a leaf surface resistance and control agent for blocking heavy metal accumulation and a preparation method thereof. The leaf surface resistance and control agent is prepared from the following components in parts by weight: 1-3 parts of borax, 5-9 parts of nano silicon dioxide, 10-17 parts of carbon nano tubes, 5-8 parts of a surfactant, 18-31 parts of tea seedcake, 7-9 parts of dunaliella, 13-22 parts of flammulina velutipes fungus chaff, 3-5 parts of betel nut tree sawdust, 9-13 parts of a microbial agent, 3-4.5 parts of orange peel powder, 8-13 parts ofdistillers' grains, 7-10 parts of artemisia apiacea leaves, 25-43 parts of tea saponin, 1-3 parts of citric acid, 12-28 parts of amino acids, 6-11 parts of humic acid and 1000-1500 parts of deionizedwater. The leaf surface resistance and control agent prepared from the raw materials can prevent plants from absorbing heavy metals in air and soil and prevent the heavy metals from damaging the plants. Meanwhile, according to the preparation method of the leaf surface resistance and control agent for blocking heavy metal accumulation, effective components in the raw materials can be fully utilized, and the method is easy to operate and beneficial to industrial promotion.

The invention provides a preparation method of a porous nano fiber membrane. The preparation method comprises the following steps: preparing flake oxide grapheme and a regenerated fibroin dry membrane; dispersing the flake oxide grapheme into an anhydrous formic acid solution, to prepare dispersion liquid; adding the regenerated fibroin dry membrane into the dispersion liquid, to prepare a mixed spinning solution; preparing the porous nano fiber membrane from the mixed spinning solution. The porous fiber membrane prepared by the preparation method disclosed by the invention is high in breathability and moisture-penetrability, good in cell affinity function and better in antibacterial effect; furthermore, the preparation method is simple, and suitable for batch production.

The invention provides a preparation method of a colored skid-free road surface layer binding material. The binding material is composed of two components. The preparation method comprises the following steps: (1) preparation of component A: treating 100 parts of bisphenol A epoxy resin E-44 or bisphenol A epoxy resin E-51, 0-20 parts of reactive diluent and 0-30 parts of active toughener in a vacuum mixer to obtain the component A; and (2) preparation of component B: treating 80-100 parts of polyamide resin 650 or polyamide resin 651, 0-35 parts of epoxy resin curing agent, 0-20 parts of curing accelerator, 0-3 parts of silane coupling agent and 0-200 parts of filler in a vacuum mixer to obtain the component B. When in use, the proportion of the component A to the component B is 1:(0.5-4). The method provided by the invention is simple to operate and easy for construction, and does not add any inert component or use any organic solvent in the preparation process. The colored skid-free road surface layer binding material has the advantages of high binding strength, high economical efficiency and environment friendliness.

The invention relates to a microporous skin-core structured bi-component composite fiber preparation method. The method includes steps: S1, adding a pore forming agent into polyethylene, feeding intoa melt screw extrusion equipment along with polyethylene terephthalate according to a mass ratio of 30:70-70:30 to obtain polyethylene spinning melt and polyethylene terephthalate spinning melt, and sending into a complex spinning manifold; S2, injecting the polyethylene spinning melt and polyethylene terephthalate spinning melt entering the complex spinning manifold into bi-component different passages of the complex spinning manifold respectively; S3, after bi-component melt compounded through the complex spinning manifold is jet from complex spinnerets, cooling and winding to form bi-component composite filament bundles, feeding the filament bundles into sliver drums through feeding wheels, and gathering the filament bundles in the multiple sliver drums to obtain gathered bundles; S4, subjecting the gathered bundles obtained in the step S3 to drafting, rolling and the like to form microporous skin-core structured bi-component composite fibers.

The invention is a video display unit for automobile monitoring system, transmitting monitored data of camera and backing-up radar installed on an automobile to a digital video decoder and a microprocessor, where the digital video decoder decodes the video data into specific data format to send to a timing controller which combines the video data of the specific data format with obstacle distance data sent from the microprocessor and then sends the combined data to a digital video coder to reduce to analog signal to output to a display for displaying, and a complete independent monitored video, an obstacle distance value display region and an obstacle distance variation animation are generated on the display; by the above technique, the invention provides a display interface with affinity, making a driver able to more effectively know the peripheral conditions but not disturbed and influenced visually.

The invention relates to environment-friendly rosin-modified phenolic resin and a preparation method thereof. The preparation method comprises the following steps: a raw material pretreatment process, a phenolic resin grout synthesis process, an esterification reaction process and a refining process. The preparation method is characterized in that a titanium source is added in the esterification reaction process. The prepared environment-friendly rosin-modified phenolic resin has a high softening point, light color and high quality and is suitable for rosin industrialized mass production with high requirements on the color and the softening point. Meanwhile, the environment-friendly rosin-modified phenolic resin is endowed with functions of photosensitization self-cleaning and formaldehyde eliminating and is especially suitable for production of senior functional printing ink, painting and adhesives.

The invention provides remote service system and method based on an instant messaging system. The method comprises the following steps: (1) arranging an instant messaging system client on a server machine, and configuring an instant messaging system number for the machine; (2) arranging a storage system of a functional interface description file of the natural language of the server machine; (3) sending a natural language request to the server machine by the instant messaging system so as to enable the server machine to execute the request; and (4) after the server machine receives the naturallanguage request, inquiring a self interface description file so as to get a functional software interface corresponding to the natural language and complete a corresponding function. The invention enables the user to interact with the remote service system by adopting the natural language, thereby being more compatible. The invention completely simulates the interpersonal cooperative relationship of the real society, and therefore, the prototype is more direct, and the realization is simpler and more effective.