97results about How to "Increase component content" patented technology

The invention relates to a paste self-flow stuff technique of coal mine and relative paste, which uses the coal gangue as main stuff. The invention is characterized in that the stuff technique comprises that mixing cement and powder coal into water to form pulp; adding coal gangue to form coal gangue suspension paste; using tube to self-flow transmit the paste into under-well stuff area to stuff the mining field. The invention uses coal gangue as main stuff material and uses self-flow stuff technique, with low cost and the application in the underground coal layer, to reduce the pollution of coal gangue. The inventive paste has high water contant and low water leakage, therefore, the stuff has high strength.

A technology and a device for removing hydrogen and nitrogen from methane-rich gas through rectification and producing liquefied natural gas. The technology comprises two parts: low-temperature liquefaction and rectification separation, wherein the low-temperature liquefaction includes following steps: firstly feeding the methane-rich gas containing hydrogen and nitrogen into a refrigerating box and liquefying a methane component in the refrigerating box with a mixed refrigerant for providing cooling capacity; and the rectification separation includes: directly feeding the liquefied methane-rich gas containing hydrogen and nitrogen into a single rectifying column to perform rectification for removing the hydrogen, the nitrogen and a less amount of carbon monoxide, wherein a gas mixture containing the hydrogen, the nitrogen and the less amount of the carbon monoxide is obtained at the top of the rectifying column; passing the gas mixture through the refrigerating box for recycling the cooling capacity and discharging the gas mixture out from the refrigerating box; and feeding back a liquid phase at the bottom of the rectifying column to the refrigerating box for being supercooled and then discharging the liquid phase out from the system to obtain a liquefied natural gas product which is not more than 500 ppm in the content of the hydrogen, is not more than 2% in the content of the nitrogen and is not more than 2% in the content of carbon monoxide. The invention provides a technology in which liquefied natural gas is produced by liquefying the methane-rich gas and meanwhile the hydrogen, the nitrogen and the carbon monoxide are removed. The technology is simple in processes and is low in equipment investment cost.

The invention discloses a preparation method for polyaniline/ferroferric oxide compound with nucleus-shell structure, which comprises the steps as follows: a, 1.5-2.5 portions of polyethylene glycol and 1 portion of tetrahydrate ferrous chloride are respectively dissolved into water and mixed to obtain hydrosol; the pH value of the hydrosol is adjusted to 12.0-13.0, then 0.05 portion of hydrogen peroxide is added to stir and react for 4h under 55-65 DEG C to obtain water-based ferrofluid dispersed with polyaniline/ferroferric oxide grains; b, ammonium persulfate is added into the water-based ferrofluid to stir and stew for 8-32h so as to complete the absorption of a colloid shell on the ammonium persulfate; c, aniline monomer is added into the water-based ferrofluid after the step b and stewed for 5h under an ice-bath condition of 0-5 DEG C, washed and filtered to obtain a solid object; d, the solid object is dried under a temperature of 40-50 DEG C, thus obtaining the polyaniline/ferroferric oxide compound. The method is easy to control the components and micro morphology of the compound; moreover, the wave absorption substance content in the compound is high and the wave absorption performance is good.

The invention discloses a high-concentration SBR (styrene butadiene rubber) modified emulsified asphalt which is composed of the following components in percentage by mass: 65-80% of asphalt, 2-6% of SBR latex, 1.2-3.5% of emulsifier and a proper amount of water. The invention also discloses a preparation method of the SBR modified emulsified asphalt. The modified emulsified asphalt has high-concentration solid content, and can be diluted by water into different concentrations according to the construction demands in the transportation process from the production plant to the construction site, thereby greatly reducing the storage space and transportation cost and enhancing the economic benefit.

The invention relates to an application of GmbHLH transcription factor in promotion of synthesizing soy isoflavone, belonging to the field of plant genetic engineering. The amino acid sequence of the GmbHLH transcription factor is shown as SEQ ID No.2, the nucleotide sequence of the encoding gene is shown as SEQ ID No.1. The selected GmbHLH transcription factor is only expressed in soy cell nucleus, and the content of the soy isoflavone can be increased by regulating the expression quantity of gene through combination with DNA sequence. No metabolites are generated during the whole process of GmbHLH as a transcription factor, so that the hidden potential hazard of the transgenic metabolism can be reduced to the greatest extent.

The invention discloses a nonionic functional fluorine-containing polymer and a preparation method thereof. The functional fluorine-containing polymer is a nonionic functional fluorine-containing polymer prepared by the steps of: taking a fluorine-containing monomer, a graftable active monomer and a hydrophilic functional monomer as copolymerization monomers, firstly polymerizing, in a water phase dispersion system, the copolymerization monomers into an active precursor polymer of which the main chain contains an atom transfer free radical polymerization active side group, then initiating a nonionic functional monomer by using the active side group on a solid liquid interface to perform interface atom transfer free radical polymerization, and performing polymerization to form the nonionic functional fluorine-containing polymer containing a nonionic side chain. The nonionic functional fluorine-containing polymer prepared by the method disclosed by the invention has a high functional monomer content and good hydrophilicity, can be applied separately to preparation or together with other resin to blending preparation of a high-hydrophilicity separation membrane, a battery diaphragm, a biological medical material, a coating, a bonding material and a flexible easy-printing packing material, and in comparison with an existing material, is good in hydrophilicity, low in cost, and good in application prospect.

The invention relates to an asphalt type plugging anti-sloughing agent for water-based drilling fluid, and in particular relates to quickly dispersed asphalt powder. The quickly dispersed asphalt powder consists of an asphalt component, oil soluble resin, a modifying agent and a separant. The invention further provides a preparation method of the quickly dispersed asphalt powder. The sample obtained according to the invention has high asphalt component content and good water dispersion stability, improves the quality of mud cakes, effectively restrains hydrous swelling of shale, prevents sloughing of a well wall, and has the characteristics of adjustable softening point and applicable temperature. Moreover, the quickly dispersed asphalt powder for the drilling fluid has simple production technique, high production efficiency, low requirement on equipment and environment condition, high operability, stable product performance, and no generation of waste materials and dust.

The invention provides a preparation method of hoof nail polypeptide through composite hydrolysis. The method comprises the following steps of: mildly and partially hydrolyzing a dried and crushed hoof nail raw material in aqueous alkali; and further hydrolyzing the hoof nail raw material with a proteolytic enzyme to obtain the hoof nail polypeptide product. In the hoof nail polypeptide prepared by the method, the content of the components of which the relative molecular mass is 10,000 to 3,500 is up to 50 percent, and the content of amino nitrogen is less than or equal to 3 percent of the content of total nitrogen. Compared with the prior art, the hoof nail polypeptide is obviously improved in cogulation effect and anti-inflammation effect.

The invention discloses a preparation method of black tea. The preparation method comprises the following steps of picking fresh tea leaves with single bugs, or with one bud and one leaf, and spreading the picked fresh tea leaves in a withering tank for withering; performing rocking for 2-3 times, and rolling the tea leaves after rocking for 30-90 min; performing fermentation, wherein the fermentation process is divided into 2-3 steps; performing fermenting for the first time: placing tea leaves rolled in the step 3 in a screen mesh fermentation tank, and performing fermentation under the condition that the temperature is 28-35 DEG C and the humidity is greater than or equal to 92%; keeping the fermentation time for 4-7 hours; after fermentation, taking out the tea leaves, and performing drying for the first time under the condition of 25-32 DEG C; taking out the tea leaves, performing fermentation for the second time, performing covering with a humid pure cotton yarn to form two layers, and performing fermentation under the condition that the temperature is 25-36 DEG C and the humidity is greater than or equal to 95% for 3-7 hours; after fermentation for the second time, performing direct drying or enabling moisture to dissipate for the second time, and performing fermentation for the third time; and finally, taking out the tea leaves, and putting the taken tea leaves on the screen mesh tank for drying, so that the finished products of the black tea of which the water ratio is 4-7% can be obtained. According to the preparation method of the black tea, a fermentation technology is adopted for three times, so that the black tea is delicately-fragrant, mellow and good in quality.

The invention relates to a Chinese herbal preparation for treatment of seborrheic alopecia and alopecia areata and a preparation method of the Chinese herbal preparation. The Chinese herbal preparation comprises the following raw materials in parts by weight: 282-424 parts of radix polygonum multiflorum preparata, 253-332 parts of herba ecliptae, 229-343 parts of cacumen biotae, 117-175 parts of prepared rehmannia root, 106-158 parts of dried rehmannia root, 51-77 parts of dogwood, 46-69 parts of Chinese yam , 42-62 parts of ginseng, 37-55 parts of radix codonopsitis, 28-42 parts of Indian buead, 17-25 parts of tree peony bark, 26-38 parts of alisma, 19-28 parts of rhizoma anemarrhenae, 14-22 parts of cortex lycii radicis and 13-19 parts of radices stellariae dichotomae. After extraction and centrifugal purification by adopting a certain technique, the traditional Chinese medicine liniment for external use is prepared. The Chinese herbal preparation provided by the invention has the characteristics of scientific and reasonable formula, simple and feasible preparation technology, safety, effectiveness and remarkable pharmacological effect and clinical effect.

The invention relates to a polyamide composite material with good tactility and easy encapsulation and a preparation method thereof. The material comprises the following components in parts by weight:25-75 parts of PA6 resin, 15-50 parts of glass fiber, 5-15 parts of styrene copolymer, 2-8 parts of a compatilizer, 3-10 parts of a polar modifier, 0.2-0.5 part of an antioxidant and 0.2-0.5 part ofa dispersant, wherein the polar modifier is a graft copolymer of polyolefin and styrene substances; and during preparation, the other components except the glass fiber are weighed according to the parts by weight and then put into a high-speed mixer for mixing, then the mixture is put into a main feeding port of a double-screw extruder, the glass fiber is added from a side feeding port, and then extrusion and granulation are carried out. The polyamide composite material with good tactility and easy encapsulation, obtained by the preparation method provided by the invention, has the characteristics of good surface tactility, wear resistance, easy encapsulation and the like, and can be widely applied to the fields of electric tools, sports equipment, electronic appliances and the like requiring encapsulation and injection molding.

The invention provides a low-temperature air conditioning system and an air conditioner. The low-temperature air conditioning system comprises a compressor, a four-way valve, an indoor heat exchanger, an outdoor heat exchanger and a throttling device; a first valve port of the four-way valve is connected with the compressor; a second valve port of the four-way valve is connected with the indoor heat exchanger; and a third valve port of the four-way valve is connected with the outdoor heat exchanger. The low-temperature air conditioning system further comprises an auxiliary heat exchanger connected with the outdoor heat exchanger, a first separator, a first valve and a second valve, wherein a first port of the first separator is connected with the auxiliary heat exchanger; a second port of the first separator is connected with the indoor heat exchanger; a third port of the first separator is connected with the outdoor heat exchanger, is connected with the second port in parallel, and is communicated with the indoor heat exchanger; the first valve is arranged on a pipeline for communicating the second port of the outdoor heat exchanger with the third valve port of the four-way valve; and the second valve is arranged on a pipeline for communicating the third port with the third port of the indoor heat exchanger. The low-temperature air conditioning system can control the refrigerant circulating quantity to enhance the low-temperature heating effect thereof.

The invention discloses a preparation method for an Afatinib intermediate 6-nitryl-7-chlorol-4-quinazolinone. An amino group is protected through amidation with 2-amino-4-chlorobenzoicacid as the raw material to obtain 2-acetamino-4-chlorobenzoicacid; then, 2-amino-4-chlorol-5-nitrobenzoic acid is obtained through nitration and hydrolysis; 2-amino-4-chlorol-5-nitrobenzoic acid and ammonium acetate are subjected to the trimethyl orthoformate reaction to obtain 6-nitryl-7-chlorol-4-quinazolinone. The operation method is easy and mild in experiment condition, the product purification is easy and convenient, and yield is high.

The invention discloses a pyrolysis device and gas-based shaft kiln combined system and a method for treating coal. The system comprises a pyrolysis device, a separating and purifying system, a reforming and transforming system and a gas-based shaft kiln, wherein the pyrolysis device comprises a device body, a particle moving bed, a pyrolysis oil-gas outlet, a catalyst inlet and a catalyst outlet; the particle moving bed comprises an outer casing and an inner casing, the inner casing is located inside the outer casing, and the outer casing and the inner casing are fixed on the side wall of the lower part of the device body, so that the inner space of the particle moving bed is limited. According to the method, raw materials are pyrolyzed, produced pyrolysis oil-gas is treated by the separating and purifying system and the reforming and transforming system, and reduced gas is obtained and sent into the gas-based shaft kiln for iron and steel smelting. With the adoption of the system and the method, pulverized coal difficult to utilize usually is effectively utilized, the pyrolysis gas produced by the pyrolysis device has the low dust content, the subsequent treatment cost and energy consumption are reduced, and the reduced gas produced by the system can be directly applied to production of the gas-based shaft kiln.

The invention provides bismuth-doped silicophosphate-based optical glass and a preparation method thereof. The preparation method comprises the following steps of: uniformly mixing the following components in percentage by mole: 34.9-64.9 percent of SiO2, 8-20 percent of P2O5, 15-35 percent of Al2O3, 15-45 percent of RO and/or RCO3 and 0.1-5 percent of Bi2O3; heating the mixture to 1,300-1,600 DEG C, preserving heat for 30-180 minutes and melting the raw material to be in a liquid state; and annealing at 500-650 DEG C for 0.5-6 hours, and naturally cooling to room temperature to obtain the bismuth-doped silicophosphate-based optical glass. The bismuth-doped silicophosphate-based optical glass has the ultra-broadband optical performance of covering an entire communication waveband, the melting temperature is remarkably lowered relative to quartz glass, and the viscosity of the melting liquid in the melting process of the glass is lowered, so that the defects (such as air bubbles and the like) in the melting and molding processes of the glass are reduced compared with those of quartz glass, the mechanical performance of the glass is improved, and infrared illumination intensity of bismuth in the glass is high.

The invention relates to a preparation method of an ultrasonic-assisted nano cerium oxide doped Ni-W-TiN composite coating. According to the preparation method, the concentration of nickel ions in a plating solution is reduced, the concentration of W ions is increased, the content of a complexing agent is reduced, and the content of W components in the coating is increased; through an ultrasonic-assisted method, the concentration of TiN nano particles is reduced, an SDS auxiliary agent is used, agglomeration is reduced, and the distribution uniformity of the particles in the coating is improved; the corrosion resistance of the Ni-W-TiN coating is improved through doping of nano rare earth oxide CeO2; and meanwhile, the plating solution ratio and the process parameters are optimized. The preparation process comprises the following steps of 1, preparation of an electrolyte; 2, pretreatment of a base material; and 3, electro-deposition. According to the ultrasonic-assisted nano cerium oxide doped Ni-W-TiN composite coating, the agglomeration problem of the nano particles is effectively solved, the dispersion uniformity of the nano particles is improved, and the CeO2 and the TiN are coordinated to improve the protection performance of a Ni-W alloy. The coating has better wear resistance and corrosion resistance, the comprehensive performance is obviously improved, and the coating can better adapt to a severe corrosion environment.

The invention discloses an intelligent tobacco atmosphere adjusting device and a tobacco storing device with the same. The adjusting device comprises an air-permeable liquid-impermeable film sleeve and a tobacco atmosphere adjusting solution filling the film sleeve. The film sleeve comprises at least one polymer film with intelligent gas micropore channels which can regulate and control the passing amount of gas obtained after volatilization of the tobacco atmosphere adjusting solution, so that when the set temperature and humidity of the environment are achieved, partial pressure of the gas controlled by the intelligent gas micropore channels is in a stable state. The adjusting device can adjust the atmosphere of the environment where tobaccos are located through volatilization of the internal adjusting solution, and when the specific temperature and humidity are achieved, the adjusting solution is released from the intelligent gas micropore channels at a certain speed, namely the gas passing amount is regulated and controlled to achieve the stable state. The intelligent tobacco atmosphere adjusting device does not make contact with the tobaccos directly, and the tobacco moisture retention quality and stability are improved. The smoking smell of the processed tobaccos is solidified and stabilized, the aroma rich feeling is increased, smoke is soft and mellow, and the sweet sense is increased.

The invention discloses an anion functionalized vinyl chloride polymer and a preparation method thereof. According to the invention, a chlorine-containing monomer, a graftable active monomer and a hydrophilic functional monomer are adopted as copolymerization monomers; an active precursor polymer containing side group with atom transfer radical polymerization activity on the main chain is synthesized by polymerization in an aqueous dispersed phase; in an alkaline environment, on a solid-liquid interface, the active side group initiates anion functionalization monomers to perform interfacial atom transfer radical polymerization; through the polymerization, the anion functionalized vinyl chloride polymer containing anionic side chain is formed. The anionic side chain contains sulfonic acid and carboxylic acid groups, and have high negative charge performance, such that the polymer has high hydrophilic property and cation exchange adsorption property. Therefore, the polymer can be independently used, or blended with other resins, for preparing high-hydrophilicity separation membrane products, battery separation membranes, cation exchange adsorption materials, flexible packaging materials, and the like. Therefore, the application range of vinyl chloride polymers is greatly expanded. The polymer and the method have a good application prospect.

The invention discloses a nonionic functional vinyl chloride polymer and a preparation method thereof. The functional vinyl chloride polymer is a nonionic functional vinyl chloride polymer prepared by the steps of: taking a fluorine-containing monomer, a graftable active monomer and a hydrophilic functional monomer as copolymerization monomers, firstly polymerizing, in a water phase dispersion system, the copolymerization monomers into an active precursor polymer of which the main chain contains an atom transfer free radical polymerization active side group, then initiating a nonionic functional monomer by using the active side group on a solid liquid interface to perform interface atom transfer free radical polymerization, and performing polymerization to form the nonionic functional vinyl chloride polymer containing a nonionic side chain. The nonionic functional vinyl chloride polymer prepared by the method disclosed by the invention has a high functional monomer content and good hydrophilicity, can be applied separately to preparation or together with other resin to blending preparation of a high-hydrophilicity separation membrane, a battery diaphragm, a biological medical material, a coating, a bonding material and a flexible easy-printing packing material, and in comparison with an existing material, the polymer is good in hydrophilicity, low in cost, and good in application prospect.

The invention discloses an anionic chlorine-containing amphiphilic polymer and a preparation method thereof, wherein the anionic chlorine-containing amphiphilic copolymer is formed by polymerizing chlorine-containing macromolecules as a dispersing agent, a small molecular ester as a solubilizer, and a chlorine-containing monomer and other anionic hydrophilic monomers as raw materials through a free radical suspension polymerization method, wherein the chlorine-containing macromolecular dispersing agent is obtained by carrying out solution copolymerization on a chlorine-containing ethyl monomerand an anionic hydrophilic monomer in an organic solvent. According to the invention, the chlorine-containing macromolecular dispersing agent has excellent dispersing effect on chlorine-containing monomers, and the small molecular ester solubilizer can increase the intermiscibility of hydrophilic monomers and chlorine monomers, so that the high-hydrophilicity chlorine-containing amphiphilic copolymer can be prepared; the anionic chlorine-containing amphiphilic polymer can be independently used for preparing a high-hydrophilicity separation membrane, a battery diaphragm material and the like or can be blended with other resins to prepare a high-hydrophilicity separation membrane, a battery diaphragm material and the like; and compared with the existing chlorine-containing separation membrane material, the anionic chlorine-containing amphiphilic polymer is good in hydrophilicity, capable of bringing lithium ions, good in cationic adsorbability, low in cost and good in application prospect.