54results about How to "Aggregation does not occur" patented technology

The invention relates to sea urchin shaped cobalt sulfide loaded on foam nickle as well as a preparation method thereof and application thereof as a water electrolysis oxygen evolution catalyst. The preparation method comprises the following steps: 1, placing foam nickle in an organic cleaning agent to remove greasy dirt on the surface of the foam nickle through ultrasonic cleaning, and then, placing the foam nickle in diluted acid solution to remove impurities on the surface of the foam nickle through ultrasonic cleaning; 2, dissolving cobalt nitrate and thioacetamide in a mixed solvent, andstirring until dissolution to obtain a catalyst precursor solution; and 3, transferring the catalyst precursor solution to a reaction still with foam nickle, and after hydrothermal reaction, obtainingthe sea urchin shaped cobalt sulfide loaded on foam nickle. The catalysis oxygen evolution performance of the sea urchin shaped cobalt sulfide catalyst is high; and the sea urchin shaped cobalt sulfide catalyst can be applied to catalyze water electrolysis electrode material and is low in preparation cost, simple in operating technology and high in catalysis stability.

The invention discloses a one-bath process-based desizing dyeing method of size-containing polyester fabrics and special auxiliaries for the dyeing method. The method comprises the following steps: putting the size-containing polyester fabrics in water, adding one bath auxiliary A to the water, mixing thoroughly and then adding a dye to the water, mixing thoroughly again and then orderly performing heating, heat preservation and cooling treatment on the obtained system containing the fabrics; next, adding one bath auxiliary B and sodium hydrosulfite to the cooled system for reductive cleaning; and finally, discharging residual liquid and cleaning with warm water, thereby obtaining the desized and dyed polyester fabrics. The one bath auxiliary A comprises the following components in percentage by mass: 15%-20% of wetting emulsifier, 15%-20% of level dyeing diffusant, 4%-6% of chelating disperse agent and the balance being water. The one bath auxiliary B comprises the following components in percentage by mass: 15%-30% of sodium polyacrylate, 20%-40% of sodium hydroxide and 40%-60% of sodium carbonate. The one-bath process-based desizing dyeing method of the size-containing polyester fabrics is only carried out in one bath, and therefore, the processing time is obviously shortened and the quality of the fabrics can be guaranteed favorably; a low amount of water is used and water can be saved by 80%; the energy consumption is low; few types of auxiliaries are utilized.

The invention relates to the technical field of immunology detection, and particularly relates to a kit for quantitative detection of an anti-Jo-1 antibody IgG by using magnetic particle chemiluminescence, and a preparation method and a detection method thereof. The kit for quantitative detection of the anti-Jo-1 antibody IgG by using magnetic particle chemiluminescence includes an Anti-Jo-1 IgG calibrator, an Anti-Jo-1 IgG reagent No. 1, an Anti-Jo-1 IgG reagent No. 2, an Anti-Jo-1 IgG magnetic separation reagent, an Anti-Jo-1 IgG control material and a cleaning solution. The invention also discloses a preparation method and a detection method of the above kit. Based on the traditional film strip immunoassay and enzyme-linked immunosorbent assay, the detection method increases the sensitivity and linearity range by 3-5 orders of magnitude, achieves the quantitative detection, and has the advantages of high sensitivity and specificity, good accuracy, low cost, simple operation and the objective judgment of results. The method cooperates with an automated chemiluminescence immunoassay analyzer to reach complete automation usage, and has broad application prospects.

The invention discloses a vehicle air conditioning refrigeration system leak-stopping agent which has low cost and no toxicity, is environment-friendly, can prevent refrigerant from leaking from connecting parts and pipeline sand holes, avoid the waste of the refrigerant, reduce the maintenance times of the on-board air conditioning, and decrease the maintenance cost of the vehicle. Alkyl silicone oil with 0.1 to 70 percent of the total weight, alkoxyl silicone oil with 0.5 to 70 percent of the total weight, hydroxyl-terminated silicone oil with 0.1 to 50 percent of the total weight, organic amine curing agent with 0.1 to 10 percent of the total weight, and organic tin with 0.1 to 10 percent of the total weight are taken as raw materials, and the leak-stopping agent can be produced by adding the raw materials into a dry stirring tank and evenly stirring the raw materials.

The invention relates to the technical field of immunological detection and concretely relates to a kit for magnetic particle chemiluminescent quantitative detection of an anti-SS-B antibody IgG and its preparation method and detection method. The kit for magnetic particle chemiluminescent quantitative detection of an anti-SS-B antibody IgG comprises an Anti-SS-B IgG calibration material, an anti-SS-B IgG regent 1, an anti-SS-B IgG regent 2, an anti-SS-B IgG magnetic separation regent, an anti-SS-B IgG quality control material and a cleaning liquid. The invention also discloses a preparation method and detection method of the kit. Based on the traditional membrane stripe immunization method and enzyme-linked immunosorbent assay, the detection method improves sensitivity and a linear range by 3-5 orders of magnitudes, realizes quantitative determination, has the advantages of high sensitivity, good specificity, good accuracy, low cost, simple operation and objective result determination, realizes full automation by a full-automatic chemiluminescence immunity analyzer and has a wide application prospect.

The invention discloses a synthesis method of 2-hexenal. The method includes: adding a mixed solution of n-butanal and vinyl alkyl ether into a catalyst boron trifluoride diethyl etherate solution dropwise to carry out reaction, subjecting the obtained acetal to heating hydrolysis distillation under the catalytic action of a Lewis acid aqueous solution, and subjecting an obtained 2-hexenal crude product to continuous pressure reduction distillation, thus obtaining high purity 2-hexenal. The method provided by the invention has the characteristics of stable route and process and high yield, and the product has competitive edge.

The invention discloses a nano fibre facial mask containing opal shale. The nano fibre facial mask containing the opal shale is prepared from the following raw materials in mass percent: 2%-14% of polyvinyl alcohol, 1%-10% of polyethylene glycol, 1%-40% of sericin protein, 0.01%-1% of opal shale and the balance of deionized water. The opal shale is uniformly dispersed in a co-blended solution of polyvinyl alcohol, polyethylene glycol and sericin protein through an ultrasonic generator; and through an electrostatic spinning technology, a non-woven fabric base material for a facial mask as a receiving screen is prepared into the nano fibre facial mask containing the opal shale. The nano fibre facial mask provided by the invention is high in specific surface area, is super-strong in adsorption ability, can completely remove deep-layer dirt and grease of skin, enables the skin to be kept in a sufficient cleaning state, and can further whiten the skin; and compared with an existing cleaningfacial mask, the use convenience and the comfort are greatly improved.

The present invention relates to a skin administration system capable of ensuring the stability of peptides or proteins and enhancing the delivery rate of peptides or proteins through the skin and, more particularly, to a microneedle comprising peptides or proteins.

The invention relates to the technical field of immunological detection, specifically relates to a kit for quantitatively detecting anti-SS-A antibody IgG by utilizing magnetic particle chemiluminescence, a preparation method and a detection method thereof. The kit for quantitatively detecting anti-SS-A antibody IgG by utilizing magnetic particle chemiluminescence comprises an Anti-SS-A IgG calibration product, an Anti-SS-A IgG reagent 1#, an Anti-SS-A IgG reagent 2#, an Anti-SS-A IgG magnetic separation reagent, an Anti-SS-A IgG quality control material and a cleaning fluid. The invention also discloses the preparation method and the detection method for the kit. According to the detection method, on the basis of the traditional film strip immunization and enzyme linked immunosorbent assay, the sensitivity and the linearity range are increased by 3-5 orders of magnitudes and the quantitative detection is realized; the kit has the advantages of high sensitiveness, strong specificity, high accuracy, low cost, convenience in operation and objective judging result; the full-automatic chemiluminiscence immune analyzer is used for realizing the full-automatic use and has wide application prospect.

The invention belongs to the technical field of nanomaterials and discloses a lignin / surfactant composite nanoparticle and a preparation method thereof. The preparation method comprises the followingsteps: (1) dispersing 100 parts by mass of lignin into alkaline liquid, adjusting the pH value of the system to 9-12, adding 10-25 parts by mass of epoxy chloropropane, carrying out cross-linking reaction at 80-95 DEG C for 1-3 hours, so as to obtain high molecular weight lignin; (2) adding high molecular weight lignin, alkali and a surfactant into water, so as to obtain a mixed solution with thepH value of 9-12; and (3) adding acid into the mixed solution until the pH value of the mixed solution is 4-6, and stirring, so as to obtain a water dispersion solution of the lignin / surfactant composite nanoparticle. The lignin / surfactant composite nanoparticle prepared by virtue of the preparation method has excellent water dispersion performance, the hydrodynamic radius is 40nm-500nm, and the lignin / surfactant composite nanoparticle can be very stably dispersed into water and can be easily mixed with other components.

The present invention provides a preparation method of vacuum low temperature oil-fried crisp houttuynia cordata. Fresh houttuynia cordata is used as a raw material, the houttuynia cordata is firstly washed clean, the washed houttuynia cordata is cut into segments, the cut houttuynia cordata is subjected to a color protection, the color protected houttuynia cordata is blanched, the blanched houttuynia cordata is vacuum soaked, the vacuum soaked houttuynia cordata is quick-frozen, and then the crisp houttuynia cordata is prepared by the vacuum low temperature oil-frying technology. The preparation method solves the problems that the houttuynia cordata is relatively single in processing methods, cannot be processed, produced and sold in large scales, and relatively large in loss of nutrition after the processing, which is not conducive to the development of the houttuynia cordata food industry. The preparation method of the vacuum low temperature oil-fried crisp houttuynia cordata belongs to the field of food processing.

The invention relates to a composition for improving intrahepatic cholestasis and a preparation method thereof. The composition comprises a coated glycyrrhizinate derivative / butyrin particle, an engelitin-rhubarb anthraquinone compound extract, a capillary wormwood herb extract, quercetin compounds selected from quercetin or dihydroquercetin, and an optional probiotic viable bacteria dry powder preparation. The composition for improving intrahepatic cholestasis provided by the invention has little side effects, and can effectively improve cholestasis symptoms and intestinal internal environment.

The invention relates to the technical field of immunological detection, in particular to a kit for quantitative detection of a Scl-70 resisting antibody IgG through chemiluminiscence of magnetic particles and a preparing method and detection method of the kit. The kit for quantitative detection of the Scl-70 resisting antibody IgG through chemiluminiscence of the magnetic particles comprises an Anti-Scl-70 IgG calibration sample, a No.1 Anti-Scl-70 IgG reagent, a No.2 Anti-Scl-70 IgG reagent, an Anti-Scl-70 IgG magnetic separation reagent, an Anti-Scl-70 IgG quality control sample and cleaning liquid. The preparing method and detection method of the kit are further disclosed. According to the detection method, based on traditional film strip immunization and an enzyme linked immunosorbent assay adsorption method, sensitivity is improved by 3-5 orders of magnitudes, the linear range is widened by 3-5 orders of magnitudes, and quantitative detection is achieved; the kit has the advantages of being high in sensitivity and specificity, good in accuracy, low in cost, easy and convenient to operate and objective in result judgment, is capable of achieving full-automatic use with the cooperation of a full-automatic chemiluminiscence immune analysis meter, and has wide application prospects.

The invention belongs to the technical field of immunological detection, and more specifically relates to a kit used for quantitative determination anti-nucleosome antibody Ig G via magnetic micro particle chemiluminiscence, and a preparation method and a detection method thereof. The kit comprises an anti-nucleosome antibody Ig G calibration material, an anti-nucleosome antibody Ig G reagent 1, an anti-nucleosome antibody Ig G reagent 2, an anti-nucleosome antibody Ig G magnetic separation reagent, an anti-nucleosome antibody Ig G quality control product, and a cleaning solution. The invention also discloses the preparation method and the detection method of the kit. The detection method is invented based on conventional membrane strip immunization and enzyme linked immunosorbent assay, sensitivity and linearity range are increased 10<3> to 10<5>, quantitative determination is realized, sensitivity, specificity, and accuracy are high, cost is low, operation is simple and convenient, result judgment is objective, fully automatic application is realized via combination with an automatic chemicaluminescence immunity analyzer, and application prospect is promising.

The invention relates to the technical field of immunology detection, and particularly relates to a kit for quantitative detection of an anti-Sm antibody IgG by using magnetic particle chemiluminescence, and a preparation method and a detection method thereof. The kit for quantitative detection of the anti-Sm antibody IgG by using magnetic particle chemiluminescence includes an Anti-Sm IgG calibrator, an Anti-Sm IgG reagent No. 1, an Anti-Sm IgG reagent No. 2, an Anti-Sm IgG magnetic separation reagent, an Anti-Sm IgG control material and a cleaning solution. The invention also discloses a preparation method and a detection method of the above kit. Based on the traditional film strip immunoassay and enzyme-linked immunosorbent assay, the detection method increases the sensitivity and linearity range by 3-5 orders of magnitude, achieves the quantitative detection, and has the advantages of high sensitivity and specificity, good accuracy, low cost, simple operation and the objective judgment of results. The method cooperates with an automated chemiluminescence immunoassay analyzer to reach fully automation, and has broad application prospects.

The invention discloses a difunctional sulfur-resistant hydrogenation catalyst which is prepared by dissolving a water-soluble salt of a noble metal into water, carrying out wet-method soaking with anH-SSZ-13 molecular sieve support, drying so as to obtain a catalyst precursor, firstly roasting in an air atmosphere at 300-450 DEG C, and by further carrying out reduction in the presence of hydrogen at 250-450 DEG C. The difunctional sulfur-resistant hydrogenation catalyst disclosed by the invention is applied to a hydrogenation catalysis reaction of polycyclic aromatic hydrocarbon, and has a good hydrogenation anti-sulfur effect.

The invention discloses a gold-silver alloy nano material. The material comprises gold-silver alloy nano particles and sulfydryl-modified hyaluronic acid, and the sulfydryl-modified hyaluronic acid coats the surfaces of the gold-silver alloy nano particles. The invention also discloses a preparation method of the gold-silver alloy nano material. The preparation method comprises the following steps: providing the gold-silver alloy nano particles and the sulfydryl-modified hyaluronic acid; and coating the surfaces of the gold-silver alloy nano particles with the sulfydryl-modified hyaluronic acid so as to obtain the gold-silver alloy nano material. The gold-silver alloy nano material disclosed by the invention has the characteristics of low toxicity and high tumor targeting, and has the effects of improving intracellular active oxygen and reducing glutathione after X-ray radiation, so that the purpose of radiotherapy sensitization is achieved. The gold-silver alloy nano material has goodCT capability, so that the material can also be applied to synchronous clinical diagnosis and treatment of tumors, and helps to realize and promote the construction of a diagnosis and treatment integrated platform.

The invention relates to a method of stably adding a hydrophobic antifoaming agent highly effectively acting on electrodeposition paint to an electrodeposition paint. There is provided a method of adding an antifoaming agent into a cationic electrodeposition paint, characterized in that in the stage of addition of an antifoaming agent into a cationic electrodeposition paint, addition is made of a predispersion of the antifoaming agent in a pigment dispersion resin for cationic electrodeposition paint prepared in a proportion such that 5 to 1000 parts by weight of antifoaming agent (solid contents) is used per 100 parts by weight of pigment dispersion resin (solid contents).

The invention relates to the technical field of immunology detection, and concretely relates to a kit for quantitatively determining anti-nRNP / Sm antibody IgG by using magnetic particle chemiluminescence and a detection method. The kit for quantitatively determining anti-nRNP / Sm antibody IgG by using magnetic particle chemiluminescence comprises an anti-nRNP / Sm IgG calibrator, an anti-nRNP / Sm IgG No.1 reagent, an anti-nRNP / Sm IgG No.2 reagent, an anti-nRNP / Sm IgGmagnetic separation reagent, an anti-nRNP / Sm IgG quality-control sample and a cleaning fluid. The invention also discloses preparation and detection methods of the above kit. On the basis of a conventional membrane-strip immunization method and an enzyme linked immunosorbent assay adsorption method, the detection method improves the sensitivity and the linearity range by 3-5 magnitude orders, realizes quantitative detection, possesses the advantages of high sensitivity, strong specificity, good accuracy, low cost, simple operation and visual result determination, is matched with a full-automatic luminescence immunoassay instrument for full-automatic usage, and possesses wide application prospect.

The invention relates to a porous reticular conjugated polymer containing a phthalocyanine structural unit and a preparation method of the conjugated polymer, belonging to the technical field of functional high molecular materials, and solving the technical problem that the existing phthalocyanine small molecules are unrecyclable and can cause secondary pollution. The porous reticular conjugated polymer is characterized in that the phthalocyanine structural unit is connected to a high molecular main chain frame, and the preparation method is characterized by polycondensation reaction of a carboxyl phthalocyanine derivative and 4,6-diaminoresorcinol hydrochloride. Compared with phthalocyanine small molecules, the content of a pi-electron conjugated system unit is improved, the chemical stability and heat resistance are more excellent, the stability of a photodegradation catalyst is improved, aggregation of phthalocyanine is avoided, the problem that the phthalocyanine small molecules are unrecyclable is solved, secondary pollution is avoided, and the porous reticular conjugated polymer as an environment-friendly green photodegradation catalyst has broad application prospects in industrial dye waste water treatment.

The invention relates to a method for the purification of hydrocyanic acid. The method for the purification of hydrocyanic acid comprises an absorption step, a stripping step and a distillation step, and is characterized in that hydrocyanic acid-containing absorption liquid obtained in the absorption step enters the top of a stripping tower from a tower kettle of an absorption tower through pipelines; distillation tower kettle liquid in the distillation step is withdrawn through a circulating pump, part of the distillation tower kettle liquid is returned to the lower segment of a distillation tower, and the other part of the distillation tower kettle liquid is sent to the top of the stripping tower. The method for the purification of hydrocyanic acid can achieve the control of the liquid level in the distillation tower and ensure that polymerization phenomena does not occur in the distillation process of the hydrocyanic acid.

The invention discloses wheat bran cellulose / wheat gluten protein compound film and a preparing method thereof, and belongs to the technical field of food package materials. The wheat bran cellulose / wheat gluten protein compound film aims at solving the problem in an existing method for preparing film through agricultural raw materials that the production cost is often high, or environmental pollution cannot be thoroughly solved. Wheat gluten protein and solvent are mainly adopted, wheat bran cellulose, plasticizer, stabilizer and the like are added according to a certain proportion with the assistance of a high pressure homogenizing technology, and the compound film high in mechanical strength, high in water steam blocking performance and high in light screen performance is prepared. Thepreparing method is simple in technology and low in production cost, can be applied to actual production and has high application value. Meanwhile, raw materials do not contain substances easily polluting the environment, and an effective new path is provided for solving the 'white pollution' problem. Besides, the application range of wheat agricultural and sideline products is effectively expanded, and the additional value of wheat processed by-products is increased.

The invention discloses a heat-dissipation-type LED (light-emitting diode) lamp with multiple light-emitting surfaces. The heat-dissipation-type LED lamp comprises a heat sink, an aluminium base plate, a lampshade and a lamp bead arranged on the aluminium base plate, wherein the heat sink is a polygonal column body, and the aluminium base plate is correspondingly arranged on each side of the heat sink; and the lampshade is an olivary convolution body, the upper and lower ends of the lampshade are provided with locating holes which are matched and fixed together with the heat sink by virtue of fasteners, and the heat sink is internally provided with an outer through heat dissipation channel. The LED lamp provided by the invention has the advantages of wide irradiating surface, good heat dissipation effect, long service life and the like.

The invention relates to the technical field of immunology detection, and particularly relates to a kit for quantitative detection of an anti-M2-3E antibody IgG by using magnetic particle chemiluminescence, and a preparation method and a detection method thereof. The kit for quantitative detection of the anti-M2-3E antibody IgG by using magnetic particle chemiluminescence includes an Anti-M2-3E IgG calibrator, an Anti-M2-3E IgG reagent No. 1, an Anti-M2-3E IgG reagent No. 2, an Anti-M2-3E IgG magnetic separation reagent, an Anti-M2-3E IgG control material and a cleaning solution. The invention also discloses a preparation method and a detection method of the above kit. Based on the traditional film strip immunoassay and enzyme-linked immunosorbent assay, the detection method increases the sensitivity and linearity range by 3-5 orders of magnitude, achieves the quantitative detection, and has the advantages of high sensitivity and specificity, good accuracy, low cost, simple operation and the objective judgment of results. The method cooperates with an automated chemiluminescence immunoassay analyzer to reach fully automation, and has broad application prospects.

The invention discloses a technological route for synthesizing medical glutaraldehyde. Dihydropyran alkyl ether is used for separating high-boiling-point substances by means of decompression rectification, and dihydropyran alkyl ether refined products are acquired. A buffering solution serves as a catalyst, water is added for hydrolysis, hydrolysis reaction liquid is subjected to continuous decompression rectification, and high-purity medical glutaraldehyde is acquired. The route is stable in technology, high in yield and stable in color number, and the products have competitive advantages.

The invention relates to modification of immobilization of hydrogen-production microorganisms in sludge by an agar embedding method by adding anaerobe agar and gama-alumina. The mass ratio of plain agar to anaerobe agar is 2:1-4:1; the adding amount of gama-alumina is 1.5-2.5%; the volume ratio of agar solution to sludge is 2:3-3:2; after dripping ball formation, the agar balls are inoculated in an anaerobic fermentation hydrogen production system. The anaerobe agar can provide nutrition for hydrogen-production microorganisms, shorten the adaptation period, form certain pore channels after being used by microorganisms, and thus facilitate mass transfer. The gama-alumina is nontoxic, odourless, high in hardness, large in specific surface area, strong in adsorbability, and high in solution penetration rate, facilitates microorganism adhesion, and facilitates the enhancement of the mechanical strength of agar balls and the promotion of the mass transfer process. According to the invention, when the agar embedding method is modified, the cumulative hydrogen production amount is increased, the hydrogen production time delay is shortened, the specific hydrogen production rate is increased, the hydrogen concentration in the produced gas is increased, and continuous and stable hydrogen production by the system is maintained.

Process for continuous dissolution of a solid in a reaction medium comprising the steps of: (a) providing a liquid by withdrawal of a portion of the reaction medium from a first reaction vessel; (b) contacting the liquid provided in step a) with the solid in a second reaction vessel to form a solution of the solid, wherein the solid in the second reaction vessel is present in the form of a fixed bed which is traversed by the liquid; and (c) recycling the solution formed in step b) into the first reaction vessel.

The invention discloses a method for preparing an iron oxyhydroxide-loaded graphene oxide-layered hydroxide composite material. The preparation method comprises the following steps: under a stirring condition and in an air or oxygen atmosphere, adding a graphene oxide-layered hydroxide composite material into an aqueous solution of a bivalent iron salt, and sequentially performing ageing, filtering, washing and drying to obtain the iron oxyhydroxide-loaded graphene oxide-layered hydroxide composite material, wherein a pH value is adjusted with alkali liquor in the process of ageing, and the concentration of the aqueous solution of the bivalent iron salt is 250 mg / L-1000 mg / L. According to the invention, the iron oxyhydroxide is loaded on the graphene oxide / aluminum-magnesium layered doublehydroxide composite material to prepare a novel adsorption material so as to improve the adsorption performance of the composite material; and the composite material is more widely applied, and especially has good heavy metal adsorption capacity when used for heavy metal wastewater treatment.