61results about How to "Lively nature" patented technology

The invention provides a near-eutectic type high-strength heat-resistant Al-Ce-series aluminum alloy and a preparation method. The near-eutectic type high-strength heat-resistant Al-Ce-series aluminumalloy is prepared from the following elements in percentage by weight: 5.00 percent to 15.00 percent of Ce, 0.01 percent to 5.00 percent of Fe, 0.10 percent to 1.20 percent of Mg, 0.05 percent to 1.00 percent of Si, 0.001 percent to 5.00 percent of Cu, 0.001 percent to 0.40 percent of Co, 0.001 percent to 0.85 percent of B, 0.001 percent to 0.20 percent of Ti, 0.001 percent to 0.15 percent of V,0.001 percent to 0.12 percent of Cr, 0.001 percent to 0.12 percent of Mn, 0.001 percent to 0.15 percent of Ni, and the balance aluminum. The near-eutectic type high-strength heat-resistant Al-Ce-series aluminum alloy provided by the invention has high strength and high heat resistance, the tensile strength at the room temperature reaches to more than 440MPa, and the tensile strength at 300 DEG C reaches to more than 250MPa; and the cost of raw materials for preparing the aluminum alloy is low, and a preparation process is simple.

The invention discloses quaternary ammonium salt modified chitosan microspheres and a preparation method thereof. The preparation method comprises the following steps: with cross-linked chitosan microspheres as a parent, performing sufficient swelling; adding a ligand choline chloride to regulate the pH value of the system; performing a modifying reaction; after the reaction is finished, performing washing and drying to obtain the quaternary ammonium salt modified chitosan microspheres. The invention also provides application of the quaternary ammonium salt modified chitosan microspheres as a sterilizing agent in drinking water. The quaternary ammonium salt modified chitosan microspheres disclosed by the invention can serve as a novel modified sterilizing agent; the sterilizing effect is enhanced by introducing the quaternary ammonium salt with a good sterilizing effect and carrying positive charges.

The invention discloses a rapid footgear deodorant agent, which is prepared from the following components in parts by weight: 87.38-93.09 parts of solvent, 0.50-1.50 parts of sterilizing agent, 1.50-5.00 parts of deodorant, 1.80-5.00 parts of fragrant agent, 0.30-0.50 part of stabilizing agent and 0.81-2.12 parts of other auxiliary materials. The rapid footgear deodorant agent is good in comprehensive deodorant performance and convenient to use, the deodorant agent is sprayed inside shoes or socks with odors, so that the odors of the footgear can be rapidly taken away, and a fresh and pleasant effect is achieved. Meanwhile, the invention also discloses a scientific and reasonable preparation method, which comprises the following steps of: adding the sterilizing agent and essence into a dealdehyding ethanol solvent to form a phase I; sequentially adding the fragrant agent, deodorant, sterilizing agent and pigment into deionized water to form a phase II; and slowly adding the phase II into the phase I, and uniformly stirring to form transparent liquid, thus manufacturing the rapid footgear deodorant agent.

The invention provides an auricularia auricular polysaccharide extraction method based on puffing treatment and a preparation and application thereof, which belong to the technical field of biology. According to the auricularia auricular polysaccharide extraction method based on puffing treatment provided by the invention, auricularia auricular polysaccharide is obtained by dry auricularia auricular grinding, extrusion, extraction in water and centrifuging. The invention further provides the application of the auricularia auricular polysaccharide and the preparation thereof in the preparationof food, food for special medical purpose, health-care food and medicines in terms of oxidation resistance and immunity enhancement. Compared with the prior art, the auricularia auricular polysaccharide prepared by utilizing the technical solution provided by the invention is remarkably improved in terms of yield, oxidation resistance and immunity enhancement.

The invention discloses a combined-typed intelligent electric meter pass box which comprises a box body and a box cover with a cavity, wherein a cavity chamber for containing an intelligent electric meter is positioned inside the box body, and the four corners of the cavity chamber are provided with cushion blocks; the center of the cavity chamber inside the box body is provided with two grooves in a cross distribution, and each of the grooves is provided with a splitter plate in a clamped mode, and meanwhile, each splitter plate is provided with a plurality of cushion blocks in a clamped mode and the space between cushion blocks on the splitter plates is adjustable. By the means of adjusting the positions of cushion blocks on the splitter plates, the cushion blocks in different places cooperate with each other to form a fixing device for seizing up intelligent electric meters in different sizes. By arranging two grooves in cross distribution inside the cavity chamber of the box body, setting the splitter plate inside each of the grooves and mounting a plurality of cushion blocks on the splitter plates, and due to the adjustable space between the cushion blocks on the splitter plates, the combined-typed intelligent electric meter pass box can achieve the result that the positions of the cushions blocks on the splitter plates can be adjusted to change the space between cushion blocks then form a fixing device for seizing up intelligent electric meters in different sizes and making the pass box apply to electric meters in various sizes.

The invention relates to the technical field of nanometer materials, in particular to a MoO3 / rGO-N nanocomposite material, a preparation method thereof and application thereof in lithium ion battery.In the MoO3 / rGO-N nanocomposites, three-dimensional nitrogen doped reduced graphene oxide (NDRGO) lamellae provides the substrate for the growth of molybdenum trioxide (MoO3), which can disperse uniformly and grow on the surface of NDRGO. The structure of MoO3 / rGO-N nano-composite combines the advantages of short electron transport distance the good conductivity of three-dimensional nitrogen dopedreduced graphene oxide and MoO3 nano-sheet ions, can not only improve the conductivity of the whole material, but also effectively alleviate the volume change and aggregation of molybdenum trioxide nanoparticles in the charge / discharge process, maintain good structural integrity, have good electrochemical properties, and can be used as the negative electrode material of lithium batteries. The preparation method of the invention is simple in process, high in yield and easy to expand production.

The invention discloses a medicinal preparation for treating colpitis and a method for preparing the same. The medicinal preparation consists of ornidazole, sodium bicarbonate, Citric acid monohydrate, semi-synthetic fatty glyceride and polysorbate80. For the effervescent suppository of the invention, the ornidazole is added with a foaming agent, so that the effervescent effect can be generated to accelerate the dissolution of the suppository and the release of the medicament when the effervescent suppository is used. The medicinal preparation has the advantages of the effervescent preparation as well as characteristics of the suppository; the medicament can be dissolved and absorbed more easily; and the effervescent suppository is the solid preparation and contributes to the storage of the medicaments which have active properties and are easily oxidized and reduced. Therefore, the medicinal preparation is actively meaningful for actual clinical application.

High-cohesive-force waterborne polyurethane adhesive is prepared by blending a water-tolerant composition and waterborne polyurethane emulsion. The preparation method of the waterborne polyurethane emulsion comprises the steps: mixing and heating a hydroxyl monomer and a hydrophilic chain-extending agent, dehydrating and cooling; adding an isocyanate monomer, heating and preserving heat, wherein the hydroxyl monomer is polyether polyol, polyester polyol or a mixture of the polyether polyol and the polyester polyol; the hydrophilic chain-extending agent is small molecular polylasic alcohol containing carboxyl and sulfonic acid group or sulfonate group and accounts for 10.5 to 12.5 percent of the total mass of the isocyanate monomer, the hydroxyl monomer and the hydrophilic chain-extending agent; the isocyanate monomer is aomatic polyisocyanate, fatty polyisocyanate or cycloaliphatic polyisocyanate and the value of R1 is 1.2 to 1.8. The high-cohesive-force waterborne polyurethane adhesive solves the technical problems of low high-temperature resistance, water tolerance and outdoor ageing resistance in the prior art, has high adhesive property and meets production requirements.

The invention relates to a method for removing silver in silver-containing tin alloy by supergravity, belonging to the technical field of nonferrous metal pyrometallurgy. The method comprises the steps: fully melting the silver-containing tin alloy, and then adding magnesium powder into the melted silver-containing tin alloy; introducing argon for gas protection, and conducting eccentrically mechanical stirring; after the magnesium powder is completely melted, stopping stirring; conducting centrifugal supergravity separation for a melt, and thus obtaining tin and high-silver tin and magnesiumalloy being obviously stratified. The method has the advantage of realizing effective removing of silver in the silver-containing tin alloy by supergravity and has simple process, green and environmental protection, low cost, high universality of raw materials and safe and controllable process.

The invention provides an extraction method of auricularia auricula polysaccharides and a preparing method of preparations of auricularia auricula polysaccharides and belongs to the field of biological medicine. The extraction method includes the steps of baking raw material of auricularia auricula, superfine grinding, extracting by adding water, and centrifuging to obtain auricularia auricula polysaccharides. Compared with the prior art, the yield and the .02- clearance rate of the auricularia auricula polysaccharides prepared according to the technical scheme are increased greatly.

The invention relates to Pt-Ni binary metal alloy supported cerium dioxide nanoparticles and a preparation method thereof. The Pt-Ni binary metal alloy loaded cerium dioxide is synthesized in one stepby utilizing a solvothermal method. Specifically, oleylamine oleic acid is adopted as a dispersing agent to inhibit growth of crystals, and added formaldehyde can induce CeO2 in gaps in the surface of Pt-Ni alloy, so that whether rare earth metal oxide has the effects of improving CO poisoning resistance of the catalyst and improving electro-catalysis of the catalyst or not is explored. The synthesized CeO2 with very small diameter is added to the surface of the catalyst by utilizing gaps in Pt-Ni alloy groups, and the CO poisoning resistance of the metal catalyst is improved by utilizing thestrong oxidation effect of the CeO2 on CO, so that the electro-catalytic stability of the metal catalyst is remarkably improved.

An abrasion-resisting lining plate for producing aluminum oxide in ore grinding operation comprises a steel lining plate and an abrasion-resisting rubber lining plate arranged on the inner wall face of the steel lining plate. A plurality of counter bores are distributed in the inner wall face of the steel lining plate so that when abrasion-resisting rubber materials is pressed into the abrasion-resisting rubber lining plate on the inner wall face of the abrasion-resisting rubber lining plate, part of abrasion-resisting rubber materials enter the counter bores to form connection bolt columns toachieve connection between the steel lining plate and the abrasion-resisting rubber lining plate. According to the abrasion-resisting lining plate, due to the fact that the abrasion-resisting rubberlining plate is arranged on the surface of the steel lining plate, the abrasion-resisting rubber lining plate plays a role in protecting the steel lining plate when a grinding body and ores directly impact the abrasion-resisting rubber lining plate, the abrasion-resisting rubber lining plate is easy to change after being damaged, and the service life of the steel lining plate is greatly prolonged.

This invention relates to a method for treating light polluted water, characterizing: firstly remove the suspended substances and colloid in the light polluted water by ultrafiltration, and then oxidize the contaminants in the light polluted water by intensified oxidation combining ultraviolet and oxidant. This method can greatly improve the intensified oxidation efficiency , and can be used in decolouration of colored light polluted water and decreasing the ammonia nitrogen and chemical oxygen consumption index in the light polluted water.

The invention discloses a preparation method of a chitosan-modified zeolite molecular sieve. The preparation method comprises the following steps: washing a zeolite molecular sieve with deionized water, putting the zeolite molecular sieve into an oven, and dissolving dried chitosan into an acetic acid solution to prepare chitosan acetic acid sol; putting the dried zeolite molecular sieve into thechitosan acetic acid sol; combining the chitosan acetic acid sol with the zeolite molecular sieve by using a constant-temperature oscillator; and taking out combined particles, washing the combined particles with deionized water until the combined particles are neutral, and then conducting drying. On the basis of the prepared chitosan-modified zeolite molecular sieve, two applications of the chitosan-modified zeolite molecular sieve in wastewater treatment are provided, optimization and regeneration methods are provided for the chitosan-modified zeolite molecular sieve used in the two applications respectively. Thus, high practical value and good application prospects are achieved.

The invention discloses a graft modified chitosan microsphere and a preparation method thereof. The preparation method comprises the following steps: using crosslinked chitosan microspheres as a parent body, fully swelling, reacting with a ligand 2-aminobenzothiazole under the action of an initiator, carrying out a grafting reaction, washing after the reaction and drying to obtain the graft modified chitosan microsphere. The invention also provides application of the graft modified chitosan microsphere as a sterilizing agent to drinking water. The graft modified chitosan microsphere is a novel modified sterilizing agent. By introducing or generating a functional group with strong sterilization ability, action effect of solid sterilizing agent and bacteria can be enhanced. The graft modified chitosan microsphere provided by the invention can be recycled, can be used for multiple times and can effectively reduce the ''secondary pollution'', and the utilization ratio of resources can be improved. The invention is in line with China's advocacy of resource conservation and sustainable development and has a wide application prospect.

The invention discloses a quick-drying finish paint based on nano-modified alkyd resin and a preparation method thereof. The quick-drying finish paint is prepared from the following raw materials in parts by weight: 5-10 parts of itaconic acid modified styrene-acrylic resin, 50-60 parts of alkyd resin, 0.2-0.5 parts of a dispersing agent, 0.1-0.5 parts of a defoaming agent, 4-8 parts of nano-silica modified hollow glass beads, 30-40 parts of a solvent and 0.5-1 part of a coalescing agent. The nano-modified alkyd resin quick-drying finish paint has the advantages of high surface drying speed, high surface drying speed even in rainy days and no sagging under the condition of low-temperature thick coating, and a paint film has high hardness, favorable scratch resistance and favorable weather resistance.

The invention provides a pedaling strength adjusting device for alignment and belongs to body building equipment in the sports field. The pedaling strength adjusting device comprises a support composed of two columns, an upper connecting rod and a lower connecting rod, wherein supports flush with the lower connecting rod in height are symmetrically arranged in the middles of two sides of the support, the middle position of the bottom of each support is provided with an arc-shaped connecting rod, the upper end of the arc-shaped connecting rods are in rotary connection with the upper connecting rod through lantern rings, a baffle assembly is fixedly arranged at the bottom of the upper connecting rods and is of a foldable structure formed by one fixing plate and a plurality of plastic plates, and fastening mechanisms for folding and fixing the baffle assembly are arranged at the positions of two ends of the bottom of the upper connecting rod. The sight line of a user performing alignment is blocked by arranging a baffle at the upper portion of the support, and embarrassment caused during common usage of two strangers is avoided. In addition, a plurality of springs are detachably arranged between the baffle and the arc-shaped connecting rods, the strength during pedaling can be freely adjusted according to the personal situation of the user, and a physical training effect is improved.

The invention discloses a washing-resistant rubber lining for a cyclone and a preparation method thereof. The rubber lining is prepared by taking the nitrile rubber and butadiene rubber as matrix, taking polyurethane cellosilk, carbon fiber and polyamide fiber as the skeleton fiber, taking the sepiolite powder, carbon black and nano-aluminum oxide powder as filler, taking a aluminic ester couplingagent, liquid coumarone resin and modifying additive as the additive, and mixing the raw materials with anti-wearing auxiliary, a sulfurizing agent BPO and DM, wherein the anti-wearing auxiliary is prepared by mixing nitrile rubber powder, dioctyl phthalate, aluminium oxide, succinic acid and KH580; the modifying additive is prepared by mixing KH570, nanometer aluminum hydroxide, acetone and barium hydroxide. By arranging the rubber lining on the inner wall of the cyclone, thus the ore pulp directly impacts on the rubber lining, and the aim of protecting the inner wall of the cyclone is achieved; the rubber lining is easy to change after being damaged, and the service life of the cyclone is greatly prolonged.

The invention discloses interior wall latex paint containing oxidized corn starch and a preparation method thereof. The interior wall latex paint is prepared from the following raw material components in parts by weight: 4-8 parts of oxidized corn starch, 0.6-0.9 part of trimethylamine, 1-2 parts of bamboo charcoal powder, 0.2-0.4 part of photocatalyst, 12-18 parts of acetic styrene-acrylic emulsion, 0.2-0.6 part of hydroxyethyl cellulose thickening agent, 0.1-0.3 part of wetting dispersant, 0.1-0.3 part of defoaming agent, 0.6-0.9 part of coalescing agent, 6-10 parts of titanium dioxide, 15-20 parts of coarse whiting, 4-9 parts of calcined kaolin, 4-10 parts of talcum powder, 0.15-0.35 part of a preservative and 0.15-0.35 part of a mildew preventive. The preparation method comprises the following steps: sequentially preparing the oxidized corn starch and trimethylamine, adding the aids, respectively mixing and reacting, thereby obtaining the final product. The interior wall latex paint containing the oxidized corn starch has the characteristics of no toxicity and environment friendliness and has the effects of adsorbing and digesting volatile organic compounds (VOC) generated by various indoor home decorations.

The invention relates to a preparation method for 3,4,4,4-tetrafluoro-3-(trifluoromethyl)butyl-1-ol. The method comprises the following steps: pouring an anhydrous tetrahydrofuran solvent into a three-necked bottle, adding magnesium powder with nitrogen as protective gas, and adding iodine as an initiator at the same time, then carrying out magnetic stirring, dropwise adding 2-bromoheptafluoropropane under heating, and carrying out magnetic stirring reaction so as to prepare a Grignard reagent; and adding a tetrahydrofuran solvent and ethylene oxide as raw materials into a four-necked bottle, dropwise adding the prepared Grignard reagent and carrying out magnetic stirring reaction, then carrying out reflux reaction, distilling the obtained product so as to obtain a final product--the 3,4,4,4-tetrafluoro-3-(trifluoromethyl)butyl-1-ol. The preparation method for the 3,4,4,4-tetrafluoro-3-(trifluoromethyl)butyl-1-ol provided by the invention has the advantages of simple principle and synthetic process, low requirements on reaction conditions, convenient and safe operation, low requirement on production equipment, applicability to large-scale production and high yield of 95.5%.

The invention relates to a carbon nano tube-loaded bimetallic catalyst as well as a preparation method and an application thereof. The catalyst comprises a first metal, a second metal and a carrier component, wherein the first metal is VIII element, the second metal is a main group metal in IV, V or IIB, the first metal accounts for 1-5wt% of the carrier, the atomic ratio of the second metal to the first metal is 0.01-0.5, and the carrier is a vulcanized multiwalled carbon nanotube. The catalyst provided by the invention has the advantages that (1) raw materials are low in prices and easily available and the economical cost is low; (2) the reaction condition is mild, the energy consumption is low and the process is simple and easy to operate; (3) the reaction is environmentally friendly and green and pollution-free; and (4) the reaction conversion ratio is high, the selectivity is good and the product purity is high.

The invention discloses a decoloring method of remelt syrup, which comprises the following steps: mixing quaternary ammonium functionalized chitosan / graphene oxide composite aerogel with remelt syrup, and adsorbing pigment of the remelt syrup. The quaternary ammonium functionalized chitosan / graphene oxide composite aerogel is prepared by taking chitosan and graphene oxide as raw materials and 25% glutaraldehyde as a cross-linking agent and stripping the graphene oxide through a cross-linking polymerization method, and then amino on a chitosan molecular chain is subjected to graft modification and grafted with quaternary ammonium groups with positive charges. According to the invention, chitosan is used as a raw material to prepare the decolorizing agent for sugar, and graphene oxide solves the problem that pores are easy to collapse after quaternization of chitosan, so that the chitosan-based aerogel decolorizing agent has a rich pore structure and is coupled with a membrane-method green sugar production process; the problem that the color value of finished white granulated sugar is high due to the fact that small molecular pigments cannot be intercepted when remelt syrup is treated through a membrane separation technology is solved, the greening of the sugar manufacturing process is achieved, and meanwhile the quaternary ammonium functionalized chitosan / graphene oxide composite aerogel can be recycled after being subjected to decoloration treatment.

The invention is a preparation method for lithium iron phosphate which is the anode material for lithium ion battery. The invention relates to a manufacturing method for electrode material, whose steps are composed of: directly mixing the organic trivalence malysite and lithium dihydrogen phosphate according to the mol ratio of Fe:Li:PO4 equals to 0.8 to 1.2:1:1, adding acetone in weight of two to five times of the said substance and milling it for two to twenty hours in globe mill; drying, smashing and pelleting the sizing agent after milling; compacting with surface pressing of 0.01 to 5Kg / cm3 and calcining for two to thirty hours under the temperature of 500 to 800 degrees centigrade. The lithium iron phosphate material product Thus is produced. The invention can get the finished product after one-time agglomeration, which is characterized in producing little gas during the agglomeration, having simple producing equipment, being able to stably and reliably produce lithium iron phosphate material in large scale and producing upstanding products in appearance with good conductivity and steady electrochemical character.

The invention discloses an X-ray excited nano photosensitizer and a preparation method thereof. The composite material is obtained by compounding a pyridine cuprous iodide complex, methylene blue, polystyrene and sodium dodecyl benzene sulfonate according to a certain proportion and in a molecular stacking state through a microemulsion method. The method has the advantages of being simple, controllable in component and controllable in nanoparticle morphology. In the composite material, pyridine cuprous iodide has the performance of emitting light under excitation of X-rays, methylene blue has the photosensitizer performance of receiving fluorescence and generating singlet oxygen, polystyrene can enhance X-ray absorption and ensure that pyridine cuprous iodide is not affected by amino groups in a biological environment, and therefore the photodynamic effect is further enhanced; in addition, the sodium dodecyl benzene sulfonate on the surfaces of the particles enhances the controllability and stability of the morphology of the particles; due to the fact that the penetration depth of the X-ray in the tissue is not limited, the material is expected to solve the problem that the penetration depth of the tissue is small in photodynamic therapy, and the material can be used for photodynamic therapy of deep tumors.

The invention discloses dendrobium officinale polysaccharide and a preparation method thereof. The dendrobium officinale polysaccharide comprises dendrobium officinale roots, the dendrobium officinaleroots are subjected to a water extraction and alcohol precipitation method to extract crude polysaccharide, separation and purification methods such as repeated freezing and thawing, H2O2 decoloration, ultrafiltration, dialysis and the like are combined to respectively obtain two kinds of dendrobium officinale polysaccharide DOP-1 and DOP-2 with uniform molecular weight. Due to the fact that theviscosity of DOP-2 is lower than that of DOP-1, the 2D nuclear magnetic detection related peak response is good, DOP-1 and DOP-2 are smashed after multiple determination, then water at the temperatureof 220 DEG C is added for soaking and heating, heating is stopped when the DOP-1 and the DOP-2 are dispersed, residues in the DOP-1 and the DOP-2 are filtered, a concentrated solution is extracted, clear liquid floating on the concentrated solution is removed through a water extraction and alcohol precipitation method, and then the concentrated solution is precipitated and dried at high temperature to finally obtain the dendrobium officinale polysaccharide, so that the sugar content of the dendrobium officinale is increased, more raw materials are saved in the preparation process, and the reaction rate is effectively increased through hydroxyl free radicals and superoxide anions.

The invention discloses a sodium pyrophosphate modified water purification sludge / zeolite composite adsorbent and a preparation method and application thereof. The preparation method of the sodium pyrophosphate modified water purification sludge / zeolite composite adsorbent comprises the following steps of mixing water purification sludge powder with zeolite powder, then adding the mixture into a sodium pyrophosphate solution for dipping, then putting the mixture into a drying oven for drying, and then adding water to form a sludge mixture, and granulating and calcining the sludge mixture to obtain the sodium pyrophosphate modified water purification sludge / zeolite composite adsorbent. The adsorbent is used for adsorption treatment of ammonia-nitrogen wastewater, and the ammonia-nitrogen removal rate is high.

The invention provides an odor removing bag, which comprises an adsorption bag and a drying agent bag fixed in the adsorption bag, wherein 50-100 parts by weight of tea dust and 5-20 parts by weight of tea stem are arranged in the adsorption bag. The odor removing bag is cheap, and has high safety and quick response. The invention further provides a manufacturing method of the odor removing bag.

The invention discloses a method for producing a stone block based on bayer red mud. The method comprises the steps of performing grinding and pulping, compounding and blank forming, drying sintering and cooling, conveying a sintered green body to a cooling area of a tunnel kiln to perform gradual type cooling to below 80 DEG C, and obtaining man-made volcano stone block. According to the method, a raw material ratio mode of mixing the bayer red mud and low-proportion clay is adopted to manufacture an ultra-thin stone plate low in volume weight, the transportation cost can be greatly reduced, and thus the comprehensive utilization and development of bayer red mud tailings are greatly improved. Besides, graphene oxide is further added into the mixture, so that oxygen-containing functional groups on the mixture are increased to make the property more active than that of graphene, and the property of the stone block is improved through various reactions with the oxygen-containing functional groups.