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Air vehicle, spraying route generation and execution methods and devices of air vehicle and control terminal

The invention provides a spraying route generation method of an air vehicle. The method includes the following steps that image information of a target region is obtained, and a three-dimensional mapcontaining point cloud data is established according to the image information; according to the three-dimensional map, position information of all the targets in the target region and feature information of each target are determined; and according to the position information and the feature information of all the targets, an air vehicle spraying route is generated to indicate the air vehicle to conduct spraying operation. The method is used for solving the problem that the surveying and mapping cost of the spraying operation route is high in the prior art, surveying and mapping time is shortened, the surveying and mapping cost of the spraying route is reduced, and the efficiency of the air vehicle in plant protection operation is improved. The invention further provides the correspondingspraying route generation device of the air vehicle and a control terminal and further provides the corresponding air vehicle and the spraying route execution method and device of the air vehicle.
Owner:GUANGZHOU XAIRCRAFT TECH CO LTD

Macroporous agarose microspheres and preparation method thereof

The invention relates to a preparation method and a product of macroporous agarose microspheres. The preparation method is characterized by comprising the following steps: adding a high-concentration surface active agent to an agarose aqueous solution to form a large number of micelles in a water phase; dispersing the water phase into an oil phase; and then preparing the macroporous agarose microspheres according to the characteristic that the micelles of the surface active agent in the water phase can absorb the oil and then swells. The prepared product remains the original mesh shaped gel pores of the agarose gel and also has macropores at hundred-nanometer level (100 to 500nm). The preparation method of the macroporous agarose microspheres, provided by the invention, is simple, and the aperture of the product can be controlled; the prepared macroporous agarose microspheres remain the original excellent performances of the agarose gel and greatly increases the aperture, and are ideal liquid phase chromatogram stationary phase medias and excellent immobilized enzyme carriers; and the macroporous agarose microspheres serving as the liquid phase chromatogram media especially can run at higher flow rate, and can realize quick and efficient separation of biomolecule, in particular biomacromolecule.
Owner:INST OF PROCESS ENG CHINESE ACAD OF SCI

Polypeptide, polypeptide-siRNA (ribonucleic acid) induction coassembly and application thereof

The invention provides polypeptide. The structural formula of the polypeptide is as shown below (the structural formula is shown in the description). The invention further provides a polypeptide-siRNAinduction coassembly which is composed of polypeptide and siRNA. The invention further provides application of the polypeptide-siRNA induction coassembly to cell carrying. The invention further provides application of the polypeptide-siRNA induction coassembly to preparation of drugs for treating cervical cancer. After polypeptide and target siRNA are mixed and hatched for 5 minutes at the room temperature, stable and uniform nano particles can be formed. A cytotoxicity test proves that the coassembly nano particles have high biocompatibility, and the cytotoxicity and hemolysis toxicity of the coassembly nano particles are both low. A cell proliferation resistant test further verifies that the polypeptide-siRNA nano particles can effectively block a cervical cancer cell line HeLa in the G2 stage, so that growth of the cervical cancer line HeLa is hindered.
Owner:PEKING UNIV SHENZHEN GRADUATE SCHOOL

Calcium phosphate-based bone repair scaffold and preparation method thereof

The invention discloses a calcium phosphate-based bone repair scaffold and a preparation method thereof. Calcium phosphate bone cement is used as a raw material and is combined with a 3D printing technology to obtain a calcium phosphate bone cement scaffold with through macropores; a dopamine solution is used for modifying the surface of the scaffold; dopamine forms a polydopamine layer on the surface of the scaffold through self-oxidation under alkaline conditions; polydopamine has good viscosity and biocompatibility, can be used as an adhering coating layer of BMP-2, improves the content offixed BMP-2, and promotes cell adhesion and proliferation; the BMP-2 loaded on the scaffold can also effectively promote the proliferation and osteogenic differentiation of bone marrow mesenchymal stem cells. The prepared calcium phosphate-based bone repair scaffold has through macropores, meets the mechanical strength requirements of cancellous bones, has excellent biocompatibility, can effectively promote bone tissue regeneration, and has potential application value in the field of bone tissue repair.
Owner:GUANGZHOU RAINHOME PHARM&TECH CO LTD

Electric-heating far-infrared health-protection material, preparation method and application thereof

ActiveCN102702805AIncreased penetrationRestore myocardial tissueLight therapyCoatingsElectrically conductiveElectric heating
The invention discloses electric-heating far-infrared health-protection material, a preparation method and application thereof; the preparation method comprises the following steps: adding white carbon black, nano active calcium silicate, nano precipitated barium sulphate, and nano tourmaline powder to conductive carbon ink according to proportions; stirring and blending manually to obtain a mixture, mixing the mixture in an oil-ink stirring machine for 30 minutes, then grinding the mixture on a three-roller grinding machine for two times; finally, storing the mixture at 20-25 degrees centigrade not less than 24 hours so as to prepare a heating coat layer. According to the invention, the heating coat layer is coated on flexible or rigid base body material in a screen printing method and is placed in an electric-heating constant temperature drying oven; the heating coat layer is dried and cured on conditions of 80 degrees centigrade and 20 minutes plus 120 degrees centigrade and 30 minutes plus 150 degrees centigrade and 30 minutes; electrodes are manufactured and packaged; and nano negative ion cloth or nano tourmaline cloth is coated on the surface of the heating coat layer so as to prepare the electric-heating far-infrared health-protection material. The electric-heating far-infrared health-protection material can be widely used for fields of industry, agriculture, civil, medical treatment and the like.
Owner:张跃进 +2

Graphene cement base material capable of adsorbing heavy metal ions and preparation method of graphene cement base material

The invention discloses a graphene cement base material capable of adsorbing heavy metal ions and a preparation method of the graphene cement base material, belonging to the technical field of composite materials. Used raw materials are functionalized graphene, cement, sand and water. The preparation method comprises the steps of adding the weighed functionalized graphene into the water, ultrasonically treating for 30min, adding the cement and the sand into a stirring pot, and stirring; then performing die-filling forming and maintaining to obtain a formed finished product of the graphene cement base material. The graphene cement base material has high capability of adsorbing the heavy metal ions in polluted water, can be used in places such as drainage pipelines, channels, artificial river-bed bottoms and sewage settling tanks, can be recycled, and is green and environment-friendly.
Owner:DALIAN UNIV OF TECH

Baijiu brewing process

InactiveCN107058026AHelp gelatinizationHelp generateAlcoholic beverage preparationFlavorHusk
The invention provides a baijiu brewing process. The process comprises the steps: taking materials, by weight, 70-80 parts of sorghum, 20-30 parts of wheat, 10-20 parts of rice, 10-20 parts of glutinous rice, and 3-5 parts of corns; soaking after the materials are broken, draining, round-steaming stewing and spraying water concomitantly; then adding rice husk and the wheat to carry out the medium-temperature daqu accumulation saccharification; then putting them into a cylinder for fermentation for 60-70 days; breaking off both ends, distilling baijiu partially, to obtain multi-grain rich flavor type base baijiu; then taking 70-80 parts by weight of sorghum, soaking, round-steaming stewing after draining; adding the rice husk and the wheat to carry out the medium-temperature daqu accumulation saccharification, putting them into a cylinder for fermentation for 60-70 days; breaking off both ends, distilling baijiu partially, to obtain single grain rich flavor type base baijiu and store; taking 50-60 parts by weight of the multi-grain rich flavor type base baijiu and 8-10 parts by weight of the single grain rich flavor type base baijiu to blend, and finishing the steps. The baijiu brewed by the process has the advantages of being soft and non-stimulating in taste; not getting drunk easily for drinkers; fresh in tail taste.
Owner:ANHUI YINGJIA TRIBUTE WINE

Steel-based surface chrome-contained abrasion-resistant ceramic coating and preparing method of steel-based surface chrome-contained abrasion-resistant ceramic coating

The invention relates to a steel-based surface chrome-contained abrasion-resistant ceramic coating layer and a preparing method of the steel-based surface chrome-contained abrasion-resistant ceramic coating, and belongs to the technical field of methods for preparing steel-based protective coatings. The steel-based surface chrome-contained abrasion-resistant ceramic coating and the preparing method are characterized in that the steel-based surface chrome-contained abrasion-resistant ceramic coating is composed of silicon carbide ceramic abrasion-resistant powder, silicon dioxide, water glass, ferrochromium powder and the like; structure defects are overcome through the ferrochromium powder, the compactness of the coating structure is improved, and the metallurgical bonding strength between the coating and a steel base is greatly improved. By means of the preparing method, as a two-time curing technology is adopted, the curing time can be shortened, the coating quality can be improved, and a ceramic phase between the steel base and the coating can be easily generated; meanwhile, the coating has the abrasion resistance several times higher than that of the steel base, and the overall performance such as the surface rigidity and the corrosion resistance of the coating is improved. The preparing method is simple, construction is convenient, the production efficiency is high, and the economical effect and the practical effect are achieved. The problem that as a ceramic coating prepared in the prior art is poor in structure compactness, the overall performance of the ceramic coating can not be guaranteed through one-time curing is solved.
Owner:YANGTZE UNIVERSITY

Voltage online coordination control method based on energy margin constraint

The invention relates to the technical field of electric power system transient stability analysis, and discloses a voltage online coordination control method based on energy margin constraint. The voltage online coordination control method based on energy margin constraint comprises the following steps that (2) a system potential energy function model Ep is built, and an energy margin Em is calculated on the basis of the lie derivative; (2) an approximate linear programming problem is formed by using the energy margin Em as an objective function and using the reactive margin and the voltage allowable change range as constraint conditions; (3) a coordination control strategy is obtained to accomplish coordination of various voltage control modes. According to the voltage online coordination control method based on energy margin constraint, various voltage control modes are brought into a uniform energy function frame, the lie derivative is introduced to calculate changes of the energy margin, the approximate linear programming problem is formed by using the situation that the energy margin is larger than or equal to zero as the objective function and using the reactive margin and the voltage change range as the constraint conditions, and the solution of the approximate linear programming problem serves as the coordination control strategy. According to the voltage online coordination control method based on energy margin constraint, the calculation speed can be increased, generation of the online coordination control strategy of various voltage control modes is facilitated, and the safe operation level of a power grid is improved.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Composite core-spun yarn and large-line-energy welding steel preparing method

The invention discloses a composite core-spun yarn and a large-line-energy welding steel preparing method, and belongs to the technical field of steel metallurgy. Based on the oxide metallurgy basic principle, multiple alloy composite adding modes are selected in the core-spun yarn, and through reasonable core powder chemical component design, the functions of deep deoxygenation, deep desulfuration and inclusion harmless control in the steel smelting process are fused, the metallurgy process chemical reaction is sufficiently utilized, and fine, spheroidization, dispersion and composite controlof inclusions in the steel is achieved. According to a 60 mm EH36 ship making steel plate manufactured through the core-spun yarn, after EGW is conducted when the line energy is 460 kJ / cm, the -40 DEG C ballistic work value of the welding heat affected zone is larger than or equal to 170 J. After the core-spun yarn is used for replacing a Ni-Mg alloy commonly used during current large-line-energywelding steel production, the ton-steel alloy cost can be reduced to be smaller than or equal to 100 yuan from the cost higher than 300 yuan in the original technology, economic and social benefits are obvious, and very good popularization and application prospects are achieved.
Owner:李素坤

Device and method for degrading alkaline organic waste water by iron-carbon micro-electrolysis

The invention discloses a device and a method for degrading alkaline organic waste water by iron-carbon micro-electrolysis, and belongs to the field of sewage treatment. The degrading alkaline organic waste water by iron-carbon micro-electrolysis is characterized by consisting of a CO2 pressure air dissolver, an iron-carbon micro-electrolysis device, a tubular reactor and an efficient inclined tube settling tank, wherein organic waste water enters an iron-carbon micro-electrolysis reactor after passing through a screen in the CO2 pressure air dissolver to react with a filler and CO2 micro-nano air bubbles released by a micro-nano aerator, is guided out of a tubular reactor after reacting in a three-dimensional multidimensional micro-electrolysis reaction tank formed by an iron-carbon filler, and finally enters the settling tank after alkaline liquor and a flocculating agent are added. The device can be used for improving the biodegradability of the degraded alkaline organic waste water. Sewage technically adopting pressure dissolving and CO2 gas dispersion enters an iron-carbon micro-electrolysis reactor, so that the filler in the reactor is activated in real time, the generation of hydroxyl radicals (.OH) is strengthened, and the generation amount of the hydroxyl radicals (.OH) is 2-3 times time of that of common iron-carbon micro-electrolysis. According to the process, hardening and blocking phenomena of the iron-carbon filler are avoided, the treatment efficiency is improved, the treatment time is reduced, and the service life of the filler can be prolonged, so that the water quality of effluent water in operation can be stable and reliable.
Owner:UNIV OF SCI & TECH BEIJING

Bioprinted meniscus implant and methods of using same

The present invention provide meniscus implant compositions, as well as method for making and using the same. The subject meniscus implants find use in repairing and / or replacing damaged or diseased meniscal tissue in a mammalian subject.
Owner:ASPECT BIOSYST

Catalytic composite used for ethylene rhodanate resin curing and preparation thereof

InactiveCN101323663AHigh reactivity and selectivityGood workmanshipSolventCyanate ester
The invention relates to a composite catalyst used for hardening cyanate esters and a preparation method thereof and pertains to the technical field of high molecular materials, wherein, the composite catalyst consists of an organic tin compound with a molecular formula of (H9C4)2Sn(NCO-R-OCN)2 and a cyclopentadienyl manganese tricarbonyl composition with a molecular formula of CpMn(CO)(ROCN)2. The preparation method of the composite catalyst is that the organic tin compound and the cyclopentadienyl manganese tricarbonyl composition are blended with the mole ratio of 1:10 to 1:40 and then dissolved in a solution with low toxicity and low boiling point. The composite catalyst which is prepared by the invention and can be used for hardening cyanate esters overcomes defects of the catalyst of single variety and has the advantages of high reaction activity and selectivity, good manufacturability, moderate price, etc.; moreover, the dielectric properties of the catalyzed cyanate resin are obviously better than that of uncatalyzed cyanate resin and the cyanate resin system which adopts only the (H9C4)2Sn(NCO-R-OCN)2 or the CpMn(CO)(ROCN)2 as a catalyst.
Owner:SUZHOU UNIV

Preparation method of pure single-phase ternary carbide Co3W3C

The invention provides a preparation method of pure single-phase ternary carbide Co3W3C and belongs to the field of hard alloy material preparation. Cobalt powder, tungsten powder and carbon powder serve as raw materials and are blended and subjected to intermittent ball milling together with hard alloy balls of different diameters and absolute ethyl alcohol, then cold pressing and a chemical reaction are conducted, and a green body containing the pure single-phase ternary carbide Co3W3C powder is obtained; then intermittent ball milling and crushing are conducted, sieving with a 400-600-mesh mesh screen is conducted, and the Co3W3C powder which is pure in physical phase and uniform in granularity is obtained; the Co3W3C powder is arranged in a die, subjected to cold pressing and forming, placed into a discharging plasma sintering equipment for sintering and cooled to the room temperature, and a Co3W3C block material containing a single physical phase can be obtained. A product obtained through the method is a pure single-phase substance.
Owner:BEIJING UNIV OF TECH

Banana and brown rice blended powder capable of relaxing bowels and preparation method thereof

The invention discloses banana and brown rice blended powder capable of relaxing bowels. The banana and brown rice blended powder is prepared from the following raw materials in parts by weight: 60 to 90 parts of brown rice, 20 to 30 parts of buckwheat, 10 to 15 parts of purple sweet potato whole wheat flour, 8 to 12 parts of jack bean meal, 15 to 20 parts of oat bran, 10 to 15 parts of bananas, 10 to 15 parts of figs, 6 to 9 parts of dragon fruit flowers, 4 to 6 parts of whey protein powder, 4 to 6 parts of corn gluten meal, 1 to 2 parts of Momordica grosvenori, an appropriate amount of high temperature resistant alpha-amylase and an appropriate amount of a stabilizer. By adopting germination, extrusion and coprocessing of the high temperature resistant alpha-amylase, the blending property of puffing powder can be obviously improved, the digestion utilization rate of the powder is greatly improved, water-soluble dietary fiber is extracted through ultrasonic enzymolysis after oat bran degreasing, the raw materials are low in cost, the content of the dietary fiber in a finished product reaches the specification of national high dietary fiber food, the raw materials such as bananas and figs are added to improve the single mouth feel of grains, the palatability of the finished product is improved, and the banana and brown rice blended powder has the health efficacy of relaxing bowels after long-term eating.
Owner:安徽豆宝食品有限公司

Preparation method of purely fragrant cooked rice

InactiveCN107927544ADiffuse fullyIncrease soaking temperatureFood scienceRice dishesViscosity
The invention relates to a preparation method of purely fragrant cooked rice. The preparation method at least comprises the following a plurality of stages: (a) a fragrance preparing stage: soaking rice at 10-25 DEG C for 10-15 minutes, then raising temperature to 50-60 DEG C and performing soaking for 5-10 minutes, and then performing heating at a heating rate of 8-15 DEG C / minute to 70 DEG C orhigher with the heating power P1; (b) a boiling stage: performing heating with the heating power P2 to boiling and maintaining the condition for a period of time; and (c) a fragrance stuffing stage: performing heating with the heating power P3 and maintaining the condition for a period of time, wherein P1 is greater than P2 and P2 is greater than P3. Compared with the prior art, the cooked rice prepared by the preparation method disclosed by the invention is more purely fragrant, moderate in hardness and viscosity and better in mouthfeel.
Owner:JOYOUNG CO LTD

Feed capable of improving libido and semen quality of breeding boars and preparation method of feed

The invention discloses a feed capable of improving libido and semen quality of breeding boars and a preparation method of the feed. The feed is prepared from the following raw materials in parts by weight: 150-180 parts of corn flour, 80-100 parts of black bean flour, 50-70 parts of millet flour, 30-40 parts of green oat, 20-30 parts of green wheat, 5-10 parts of black sesame leaves, 5-10 parts of lily, 30-50 parts of dog kidney, 20-30 parts of mutton, 3-5 parts of ginger powder, 2-4 parts of onion powder, 3-4 parts of salt, 2-3 parts of cooking wine, 20-25 parts of leek, 15-20 parts of kelp, 5-10 parts of carrot, 3-5 parts of thick chilli sauce, 0.3-0.5 part of aconite, 2-3 parts of cinnamon, 2-3 parts of songaria cynomorium herb, 1-2 parts of common curculigo rhizome, 2-3 parts of radix astragalim, 10-15 parts of egg yolk powder, 2-3 parts of actinolite micropowder, 1-2 parts of phosphate ore micropowder, and 10-20 parts of additives. The feed provided by the invention has the advantages of significantly improving the libido of breeding boars, improving the ejaculation volume, increasing the sperm density, improving the sperm survival rate, prolonging the sperm survival time, improving and enhancing the production and reproductive performances of the breeding boars, and prolonging the service life of the breeding boars.
Owner:邓衍安

External fixing device with reduction function

The invention discloses an external fixing device with a reduction function. The external fixing device is used in reduction of fracture and external fixing. The external fixing device is composed of guide rails, spicule clips, bending adjusting handles, a hinge, bending adjusting systems, extending and contracting nuts, locking screws and turning handles. The two guide rails are screwed on lateral surfaces of the hinge respectively, the spicule clips are arranged in the guide rails in a penetrating mode respectively, the extending and contracting nuts are screwed on two sides of the spicule clips, the locking nuts are designed on the lateral surfaces of the spicule clips, the bending adjusting handles are screwed at the ends of the hinge, and the bending adjusting systems are installed on the lateral surfaces of the hinge. After spicules are arranged in fracture portions in a penetrating mode and clamped on corresponding portions of the spicule clips, the turning handles are fastened on the corresponding spicules. The external fixing device is used in reduction of fracture and external fixing. The external fixing device finishes traction and compression on fracture sections through spiral force, requires small labor intensity of operators and can finish reduction and fixing of operations in a closure state.
Owner:哈尔滨龙福骨外固定器械开发研究所

Thickened triphenyl compound as well as preparation method and application thereof

The invention discloses a thickened triphenyl compound as well as a preparation method and application thereof. The thickened triphenyl compound has a structure shown as a formula (I). The parent nucleus of the thickened triphenyl compound is thickened triphenyl. Since the three benzene rings are non-coplanar, the thermal stability of molecules is improved. In addition, the non-coplanar structureof the thickened triphenyl can avoid molecular stacking, exciton generation is facilitated, and the luminous efficiency of the material is improved. By setting R1 and R2 substituent groups, the compound shown as the formula (I) has high overall structural rigidity, the thermal stability of the molecules can be improved, and the service life of the material is prolonged. The invention furthermore discloses an organic electroluminescence device. At least one functional layer contains the previous thickened triphenyl compound. The thickened triphenyl compound serves as a host material or a guestmaterial of the luminescent layer, the stability is high, and the luminous efficiency of the device is high.
Owner:NINGBO LUMILAN NEW MATERIAL CO LTD +1

Method for preparing biological enzyme drink

The invention provides a method for preparing biological enzyme drink. The method for preparing the biological enzyme drink comprises the following steps: cooking an edible plant raw material, and sequentially adding water, sealing and fermenting after cooking is finished, wherein the temperature of water vapour is 70-80 DEG C during cooking, the temperature during fermentation is 40-42 DEG C, and the fermentation time is 30-35 days. The edible plant raw material is cooked in the water vapour at the temperature of 70-80 DEG C, a food material is softened, generation of biological enzyme in subsequent steps can be facilitated, and the food material is sterilized; water adding, sealing and fermentation at the temperature of 40-42 DEG C for 30-40 days are sequentially carried out on the cooked food material, so that drink rich in biological enzymes is obtained; and during fermentation, no strain or auxiliary material is added, and the edible plant raw material is completely self fermented.
Owner:唐玉贵

Sweet scented osmanthus stomach-invigorating corn brewing powder and preparation method thereof

The invention discloses a sweet scented osmanthus stomach-invigorating corn brewing powder prepared from the following raw materials in parts by weight: 80-120 parts of corn kernels, 20-30 parts of glutinous rice, 30-45 parts of brown rice, 15-20 parts of oat bran, 15-20 parts of sweet-scented osmanthus, 6-9 parts of shiitake mushroom, 8-12 parts of day lily, 10-15 parts of pomegranate, 4-6 parts of whey protein powder, 4-6 parts of a wheat germ powder, 1-2 parts of momordica glycosides, 0.6-0.9 part of citric acid, and a proper amount of a high-temperature-resistant alpha-amylase and a stabilizer. With germination-extrusion puffing-high-temperature-resistant alpha-amylase synergistic treatment, the reconstituability of the puffed powder can be significantly improved, and the digestion utilization rate of the puffed powder is greatly improved; the oat bran is degreased and then is subjected to ultrasonic enzymolysis, water-soluble dietary fibers are extracted, the cost of raw materials is low, the content of the dietary fibers in the finished product meets regulations of national high dietary fiber food; sweet scented osmanthus, pomegranate and other raw materials are added for improving the single mouthfeel of grains and improving the palatability of the finished product; the brewing powder has the health-care effects of invigorating stomach and promoting digestion after being eaten for a long time.
Owner:安徽豆宝食品有限公司

Improvements in containers

Improvements in containers are provided, and in particular improvements in containers for preparing and dispensing foamable beverage and food products. The package may contain at least a liquid primary ingredient and a secondary ingredient and comprises at least one wall defining a chamber at least partially filled with the primary ingredient, an outlet for dispensing the prepared product, and a capsule surrounding the primary ingredient separating the secondary ingredient from the primary ingredient. The capsule may be attached to insides of opposing walls of the package such that as the opposing walls are moved further apart the capsule breaks. At least one of the ingredients may include a foaming agent such that the foamed product is produced when the capsule is broken and the primary and secondary ingredients mix.
Owner:KONINK DOUWE EGBERTS BV

High-oil-absorption whitening hexagonal boron nitride porous microsphere for cosmetics

The invention belongs to the technical field of functional material preparation, and particularly relates to a hexagonal boron nitride porous microsphere and a preparation method thereof. The preparation method comprises the following steps: adding water into boric acid, 2-methylimidazole and a template agent, fully dissolving, and drying to obtain uniform precursor powder; carrying out high-temperature reaction on the precursor powder in an ammonia gas atmosphere to obtain hexagonal boron nitride powder filled with a template agent; and immersing the hexagonal boron nitride powder into water to dissolve the template agent, washing, filtering and drying to obtain the hexagonal boron nitride porous microspheres. The method is simple in process and equipment, the average particle size value of the prepared hexagonal boron nitride porous microsphere powder ranges from 1 micrometer to 6 micrometers, and the hexagonal boron nitride porous microsphere powder is high in purity, whiteness, porosity and oil absorption amount and suitable for being used as an oil-controlling and whitening additive of cosmetics.
Owner:HUNAN UNIV

Ultrasonic wave cleaning agent and preparation method and application method

The invention discloses an ultrasonic wave cleaning agent and a preparation method and an application method, and belongs to surface treatment technology of aluminium alloy die pressed casting. The ultrasonic wave cleaning agent has good cleaning effect and complexing force, and can finish cleaning and rust-proof work for one step and shorten the production cycle of the aluminium alloy die pressedcasting, and thus the cost of production of the aluminium alloy die pressed casting is reduced. The key point of the technical scheme is that the ultrasonic wave cleaning agent comprises the following components of, by mass,17-28 parts of surface active agent, 4-6 parts of phosphate, 1-2 parts of monoethanolamine,1-2 parts of efficient dispersing agent, and 54-65 parts of water.
Owner:厦门力九化工有限公司

Flame-retardant antistatic random copolymerization polypropylene composition and pipe

The invention relates to a flame-retardant antistatic random copolymerization polypropylene composition, which includes a basic random copolymerization polypropylene resin, a fire retardant and a conductive filling material. The basic random copolymerization polypropylene resin includes a random copolymerization polypropylene continuous phase and a propylene-ethylene copolymer rubber disperse phase, wherein the random copolymerization polypropylene continuous phase at least comprises first random copolymerization polypropylene and second random copolymerization polypropylene, which are independently selected from propylene / ethylene random copolymer, propylene / butylene random copolymer and propylene / ethylene / butylene ternary random copolymer. The content of a xylene soluble substance of basic random copolymerization polypropylene resin at the room temperature is more than 10 wt% and less than 35 wt%. The ratio of Mw of a trichloro-benzene soluble substance to Mw of a trichloro-benzene insoluble substance is more than 0.4 and less than 1. The invention further relates to a pipe made from the composition and a preparation method.
Owner:CHINA PETROLEUM & CHEM CORP +1

High-temperature-resistant high-wear-resistant nickel-based titanium carbide powder and preparation method thereof

The invention discloses high-temperature-resistant high-wear-resistant nickel-based titanium carbide powder and a preparation method thereof, and belongs to the technical field of surface engineering.The powder comprises 50-75% of TiC and 25-50% of NiCrAlSiX, wherein in NiCrAlSiX, Cr accounts for 20-23%, Al accounts for 7-10%, Si accounts for 1-2.5%, X is W+V, the total amount of X is greater than or equal to 3% and less than or equal to 8%, and the balance Ni. By adding Ni, the stability of Cr in an iron matrix is kept, the precipitation of Cr element in a spraying process is avoided, and the corrosion resistance of a material is improved; by adding a proper amount of Al, the dissolution of TiC can be inhibited, the hardness and toughness of a coating are kept, and meanwhile, the corrosion resistance of a composite material can be improved; by adding a small amount of boron, a spraying process window can be widened; and by adding 5-20% of Mo, the corrosion resistance and wear resistance of the coating are improved. According to the high-temperature-resistant high-wear-resistant nickel-based titanium carbide powder disclosed by the invention, a WC coating is replaced by a TiC coating, and the spraying cost is reduced.
Owner:BEIJING MINING & METALLURGICAL TECH GRP CO LTD +1

Polypropylene composition and flame-retardant antistatic pipe

ActiveCN107325395AExcellent flame retardant, antistatic and impact resistanceNo shrinkageRoom temperatureEthylene Homopolymers
The application relates to a flame-retardant antistatic polypropylene composition, which includes a basic polypropylene resin, a fire retardant and a conductive filling material. The basic polypropylene resin comprises a propylene homopolymer component and a propylene / ethylene copolymer component, wherein the propylene homopolymer component include a first propylene homopolymer and a second propylene homopolymer. The basic homopolymeric polypropylene resin has the molecular weight distribution (M<w> / M<n>) of 4-10, and M<z+1> / M<w> more than 10 and less than 20; the content of a xylene soluble substance at the room temperature is more than 10% by weight and less than 30% by weight, and the ratio of Mw of a trichlorobenzene soluble substance to Mw of a trichlorobenzene insoluble substance at the room temperature is more than 0.4 and less than 1. The provided high-performance flame-retardant antistatic polypropylene composition is excellent in mechanical strength and processing performance, qualified in optical performance, and relatively excellent in antistatic property. The application further relates to a pipe made from the composition.
Owner:CHINA PETROLEUM & CHEM CORP +1

Lithium iron phosphate positive pole piece using highly-viscous lithium-conducting binder and preparation method thereof

The invention relates to a lithium iron phosphate positive pole piece using a highly-viscous lithium-conducting binder and a preparation method thereof. The lithium iron phosphate positive pole pieceincludes the following components by weight: 90-98 parts of lithium iron phosphate, 1-3 parts of CMC-Li, 0.5-1 part of modified SBR, 0.5-1 part of carbon nanotubes, 0.1-1 part of tea saponin, 1-10 parts of viscosity regulator and 20-60 parts of de-ionized water. The pole piece prepared by the formula of the invention is water-based and environment-friendly, has significantly improved thermal stability, electrical conductivity and electrochemical properties, and has excellent comprehensive performance.
Owner:眉山晶瑞电子材料有限公司

Production process for extracting shikimic acid from anise

The invention discloses a production process for extracting shikimic acid from anise, which comprises the following steps: (1) pretreatment; (2) primary fermentation: glucose and soybean protein are added into the anise obtained after the pretreatment in the step (1), then water with weight being 1-3 times of that of the anise is added for evenly stirring, and then fermentation is carried out for1-2 days under 25-30 DEG C after zymocyte is added; and the zymocyte comprises rhizopus, trichoderma, aspergillus oryzae, aspergillus niger, colibacillus and lactobacillus plantarum; (3) secondary fermentation: the anise obtained after the primary fermentation in the step (2) is positioned under infrared ray for sterilization, and then the lactobacillus plantarum is added for fermentation; (4) extraction: the anise obtained after the secondary fermentation in the step (3) is positioned in a solvent made from water, ethyl alcohol, methyl alcohol and acetic acid for being soaked, extracted and filtered; the filter liquor is eluted through a chromatographic column; and the eluent is collected for obtaining the shikimic acid after concentration and crystallization. The shikimic acid extractionprocess provided by the invention has higher extraction rate in the shikimic acid.
Owner:那坡康正天然植物提取有限责任公司

Alkaline ionic mineral complex food additive for enhancing immunity

The invention discloses an alkaline ionic mineral complex food additive for enhancing immunity. The additive is composed of magnesium chloride, potassium chloride, D-sorbitol, cane sugar, potash and water-soluble mineral matters. The alkaline ionic mineral complex food additive for enhancing the immunity contains alkaline ionic mineral complex, has alkaline anion effect, far infrared radiation effect and mineral matter effect, and thus can improve immunity of cancer patients and also can be used for enhancing human body immunity. The additive has no toxic and side effects, and thus can be taken for prevention safely for a long term; and can be used for preventing and treating infectious diseases, as well as enhancing and adjusting immunity of immunocompromised or suppressed patients.
Owner:崔顺哲 +1
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