180results about How to "Promote complexation" patented technology

The invention generally relates to polymeric particles suitable for transporting bioactive agents across mucosal barriers. The invention also relates to methods of making and using those polymeric particles.

The invention relates to an infant nutrition immunity formula powdered milk and a production method thereof, wherein, the production method of the infant nutrition immunity formula powdered milk comprises the following steps: milk which is raw material, is preprocessed, the mixed solution of docosahexaenoic acid and arachidonic acid is prepared, ingredients are mixed, preheating, homogenizing and heating are carried out for sterilizing, decompression is carried out for concentrating, and spray-drying under negative pressure and low temperature and drying on a fluidized bed are carried out, then cooling, packing and inspecting are carried out. The infant nutrition immunity formula powdered milk manufactured by the method of the invention mainly comprises casein phosphoeptide, vitamin D3, lactoferrin, nucleotide, linoleic acid, linolenic acid, the docosahexaenoic acid, the arachidonic acid, fructo-oligosaccharide and galacto-oligosaccharide, which has the advantage of reasonable trophic structure and also ensures that various nutrient substance to be absorbed and deposited to the utmost extend, so as to promote the development of brain and nervous system, improve active immunity, improve intestinal tract micro-ecological environment and strengthen the absorption of calcium, iron and zinc as well as effectively maintain every active nutrient component during the production process.

The application of the invention provides an environmentally-friendly paper making and pulping technique with high yield, which comprises a raw material preprocessing stage, a physical fibrillation impregnating processing stage, an impregnating, steaming and bleaching three-section integrated pulping stage and a thickening and dewatering processing stage. An environmentally-friendly paper making and pulping system with high yield realizing the pulping technique comprises a stock cutter, a hammering and fibrillation screening dust remover, a washing dust remover, dewatering conveying equipment, a spiral steaming conveyor, a crashing, extruding and impregnating machine, a stirring and impregnating cabin, a pump pipe and a discharge pipe of a high-enriched steaming, bleaching and pulping all-in-one machine, wherein the pump pipe is connected to the high-enriched steaming bleaching pulping all-in-one machine; the discharge pipe of the high-enriched steaming, bleaching and pulping all-in-one machine is connected to a pulp cabin; the pump pipe of the pulp cabin is connected with a thickening and dewatering machine; the thickening and dewatering machine is output to the high-enriched pulping machine; the output of the high-enriched pulping machine is connected with a screening purifier and a thickening and squeezing machine in sequence. In the invention, the problems of high pollution, high energy consumption, serious shortage of paper making raw material and the like in present pulping and paper making industry can be solved fundamentally; rich plant fiber in the nature can be used, and the technical purposes of efficient bleaching, high yield, no black liquor and low energy consumption can be realized.

The invention discloses alloy nanoparticles, a preparation method and applications thereof. According to the method, a metal precursor loaded on a substrate is rapidly reduced at a high temperature, wherein the metal is rapidly nucleated to avoid the generation of the split-phase alloy so as to form the alloy nanoparticles with ultra-small particle size; and by controlling the types of the metal salts in the precursor, the components in the alloy nanoparticles can be effectively regulated. According to the present invention, the FeCoPtPdIr@GO (FeCoPtPdIr alloy particles are loaded on the surface of graphene oxide) prepared in the embodiments of the invention shows excellent electrochemical hydrolysis hydrogen production performance, can stably operate for 150 h under a condition of 10 mA.cm<-2>, has excellent electrochemical stability, and has the Faraday efficiency of 99.4%, wherein the eta 10 of the product of the present invention is equal to 42 mV, and far exceeds the eta 10 of thecommercial Pt/C of 64 mV (the smaller the eta 10, the better the electrochemical hydrolysis hydrogen production performance); and the new thought is provided in the preparation of alloy nanoparticlesand alloy nanometer catalysts, and the development of alloy nanometer catalysts in catalysis and energy is promoted.

The present invention is directed to polymeric compounds comprising a main backbone derived from at least the following monomeric components: (1) 20 to 99.9% by weight, preferably 50% to 99% by weight, of at least one cationic monomer according to formula (I), and (II) 0.1 to 80% by weight of a hydrophobic unsaturated nonionic monomer that polymerizes in the presence of an initiator, optionally a water-soluble monomer (III) different from either monomer (I) and monomer (II), and optionally a crosslinking agent (IV). Said compounds are particularly useful to overcome the problem of dye bleeding and/or dye transfer in laundry processes.

The invention relates to technology for preparing a super-hydrophobic surface, in particular to a simple and convenient method for preparing a super-hydrophobic film on the surface of a metal matrix. The super-hydrophobic film is prepared by the following steps of: cleaning the surface of the metal matrix with ethanol and de-ionized water and drying the surface of the metal matrix for later use; applying current or voltage to the cleaned matrix and a platinum electrode serving as a cathode in 10<-1> to 1mol/L ethanol solution of fatty acid CH3(CH2)nCOOH (n is equal to 10 to 16) by an electrochemical method; and forming a fatty acid-metal complex film on the surface of the anodic metal matrix after processing and drying the film to obtain the super-hydrophobic film. The method has the advantages of simple and easy operation and no need of expensive equipment. The prepared super-hydrophobic surface is expected to be applied to the fields of metal corrosion resistance, water resistance, self-cleaning and the like.

The invention discloses a preparation method of manganous-manganic oxide. Manganese metal powder is manufactured into manganous-manganic oxide with high purity and high specific surface area by using a two-step method in the presence of an organic acid catalyst or an organic acid amine salt catalyst. In the first step, the manganese powder is added into a solution containing the catalyst and hydrolyzed and reacted for a period of time, and all manganese powder is completely converted into hydroxide of the manganese; and in the second step, a suspension containing the hydroxide of the manganese is oxidized by air, filtered and dried by airflow so as to obtain solid powder of the manganous-manganic oxide, and a filter liquor is continuously used after being supplemented with a little amount of lost catalysts. The catalyst is characterized by being the organic acid or the amine salt of the organic acid; through adoption of the catalyst, the reaction speed can be increased, impurities in a product are reduced, the purity of the product is improved, the specific surface area of the product is increased and the manganous-manganic oxide with high purity and high specific surface area can be obtained.

The present invention relates to a scale preparation method of microbial pre-fermentation coating multilayer microcapsule, and belongs to the fields of microbial technology and biotechnology. The method takes sodium alginate, calcium chloride and modified chitosan as the coated materials of microcapsule, wherein the deacetylation degree of the modified chitosan is more than 90% and molecular weight is about 40000; the method comprises the following steps of (1) preparing single-layer microcapsule and (2) preparing multilayer microcapsule. When performing second coating, a film of low concentration chitosan is formed, the amount of chitosan is little, and almost all of chitosan molecules can react with calcium alginate gel for polyelectrolyte complexation reaction, therefore, the compact film with good toughness can be easily formed; the film is thickened and the mechanical strength is increased along the increase of the chitosan concentration. Furthermore, the process is more convenient to reuse a buffer solution for dissolving chitosan, so as to reduce production costs.

The invention relates to a method for synthesizing powder of cadmium selenide quanta dots capable of emitting blue light, belonging to the technical field of processing nanometer inorganic compound material of semiconductor. With cadmium acetate dehydrate and sodium selenite as raw material, disodium ethylenediamintetraacetate as chelating agent, and in the aqueous solution with weak alkaline, cadmium selenide quanta dots are synthesized by being radiated by electron beams. The powder of cadmium selenide quanta dots is obtained after separating the synthesized product. The cadmium selenide powder prepared by the invention has extremely good water solubility, good monodispersity, and even size with an average particle size of three nanometers. The cadmium selenide powder emits blue light, has good fluorescence characteristics and is used for manufacturing biological fluorescence probe.

The invention relates to a method for recovering germanium from germanium-containing materials, particularly relates to a method for recovering germanium from germanium-containing materials of non-ferrous smelting industry, and belongs to the technical field of hydrometallurgy. The method comprises the steps of leaching germanium-containing materials as raw materials of which the particle sizes are 100 meshes with inorganic strong acid as an leaching agent of which the concentration is 50-120g/L and an aid-leaching agent at 35-95 DEG C and filtering to obtain a germanium-containing leaching solution, adjusting the pH value of the germanium-containing leaching solution to be 6-9, stirring and carrying out liquid-solid separation to obtain germanium residues, and calcining the germanium residues at 350-500 DEG C to obtain a crude germanium dioxide product, wherein the aid-leaching agent is one of tartaric acid, water-soluble tartrate, citric acid, water-soluble citrate, oxalic acid and water-soluble oxalate. The method disclosed by the invention has the advantages of simple process, easiness in operation, high recovery ratio of germanium, large enrichment ratio, and convenience in industrial production and application.

The invention discloses a preparation method for composite activated biochar capable of adsorbing heavy metal ions in sewage. According to the preparation method, a saponification-modified orange peelbio-adsorbent, an obtained pine needle-based carbon material, puffed rice husks, a chestnut shell activated carbon material and walnut green husk biochar are uniformly mixed so as to obtain the composite activated biochar. The preparation method has the advantages that pine needles serve as a carbon source, alkali treatment is carried out, then carbonizing is carried out, so that the pine needle-based carbon material with developed pore channel structures and high nitrogen content is successfully prepared, by means of the developed pore channel structures and rich nitrogen-contained functional groups, and the prepared pine needle-based carbon material shows good adsorption performance on the metal ions and has good repeated use performance; chestnut shells serve as a raw material, activated carbon is prepared by adopting a ZnCl2 activation method, the chestnut shell activated carbon is an amorphous carbon material with more pores; and biological waste orange peels serve as a raw material, and ethanol and sodium hydroxide treatment are carried out so as to obtain the modified orange peel biological adsorbent.

The invention provides a melastoma dodecandrum lour planting method, and particularly relates to the technical field of plant cultivation. The method adopts a mode for planting melastoma dodecandrum by using a seedling solution for rooting culture of cutting strips. Firstly, the cutting strips are placed and soaked in rooting water, cultivating and rooting are conducted with the seedling solution,field planting is conducted in a planting field, when water and fertilizer management is carried out, a vine enhancing agent and a fruit promoting agent are sprayed at the right time, the rooting rate of the cutting strips is over 98%, the total flavonoid content of active ingredients of a plant is above 35mg/g, which makes fruits have a heavy weight, enough sweetness and high yield, the shelf life of fresh fruits is prolonged to more than 20 days, so that the fresh fruits keep the original taste and freshness and do not easily rot, and the planting method is green, environmentally friendly,easy to operate, convenient to manage and suitable for scale and industrialization popularization.

The invention provides a method for preparing RuO2-SnO2 oxide completely composed of nanoscale rutile phase by using RuCl3, SnCl2 and SnCl4 as precursors. The ratio of RuO2:SnO2 in the titanium anode coating prepared by the invention is 1:4-4 : 1, the surface coating of the titanium substrate is entirely composed of nanoscale rutile phase RuO2-SnO2 oxide or solid solution, and its specific surface area exceeds 460m2·g-1; and the raw materials are easy to obtain and the method is simple.

The invention discloses a preparing method of a sulfonated fatty acid phosphate rock reverse flotation collecting agent. Firstly, palmitic acid and stearic acid are used for preparing mixed high-grade aliphatic acid according to the mass ratio of 0.3-0.6:1, the mixed high-grade aliphatic acid and concentrated sulfuric acid have a reaction according to the mass ratio of 1:0.1-0.8 to prepare alpha-sulfonated fatty acid, finally, according to the weight ratio of 3-6:1.5-4:1-3, the alpha-sulfonated fatty acid, saturated fatty acid and the strong base are mixed and react, and water is added for preparing a solution with the certain solid content. According to the method, the characteristic that a polarity sulfonic acid group of the alpha-sulfonated fatty acid can be used for enhancing complexing of carboxylic acid and calcium magnesium plasmas to form a stable coordination compound is used for achieving the aim of removing gangue minerals in pulp; meanwhile, the sulfo group introduced by the alpha position of fatty acid is the hydrophilic carboxy group, and therefore solubleness of the collecting agent at the low temperature can be greatly improved, the low-temperature resistance capacity of the collecting agent is improved, efficient floatation can be achieved at the normal temperature, and energy consumption is greatly reduced. The collecting agent has the good floatation effect on the medium-low-grade high-magnesium hard-selection phosphorite.

The invention provides a stabilization repairing agent for soil pollution, wherein the agent includes components such as quicklime, potassium dihydrogen phosphate, phosphate rock powder and demineralized and modified humic acid, and is prepared from, by mass, combination of the components. After the stabilization repairing agent is applied to soil contaminated by lead and cadmium and is subjectedto stabilized treatment and maintenance for one week, the concentration of lead and cadmium in a leach liquor of the soil can meet standards of groundwater quality class IV. The mixed component in thestabilization repairing agent of the invention fully exerts a synergistic effect, the effective state of heavy metals in the soil can be reduced by the action of precipitation, adsorption, improvement, pH adjustment, and the like, and the prepared soil repairing agent has good effects in repairing lead and cadmium contaminated soil. The stabilization repairing agent for the soil pollution has theadvantages of simple preparation method, feasibility and good treatment effect.

The invention discloses a device for desulfuration and decyanation treatment of waste liquid generated in the vacuum potassium carbonate desulfurization process.The device comprises a desulfuration and decyanation agent tank, a coagulant tank, a reaction pond, a settling pond and a catalytic oxidation reaction tank, wherein the desulfuration and decyanation agent tank and the coagulant tank are both communicated with the reaction pond, an inlet of the reaction pond is communicated with a waste liquid pipeline, and an outlet of the reaction pond is communicated with the settling pond; the upper portion of the settling pond is communicated with the coagulant tank, a sludge outlet of the settling pond is communicated with a sludge treatment system, a liquid outlet of the settling pond is communicated with the top of the catalytic oxidation reaction tank, and the lower portion of the catalytic oxidation reaction tank is communicated with an ozonator.The invention further discloses a method for desulfuration and decyanation treatment of waste liquid generated in the vacuum potassium carbonate desulfurization process.The device and method have the advantage that by additionally arranging a first aeration plate and a second aeration plate, waste liquid can fully react, the problem that the cyanide group and thiocyanate group in waste liquid exceed the standard is solved, and engineering application value is quite high.