92results about How to "Achieve long-term effect" patented technology

The invention discloses slow-release fertilizer with the effect of soil remediation, which is prepared by polyhydroxyalkanoates which can be completely biodegraded, organic and inorganic nutrients and other substances, by slow-releasing the organic and inorganic nutrients, microorganism propagation and sustained and rapid growth of plants can be promoted, the bioactivity and water solubility of polycyclic aromatic hydrocarbons are quickened, and simultaneously, the defects of fertilizer loss and repeated fertilization can be avoided, thereby saving the cost and enhancing the soil remediation efficiency. The invention also discloses a soil pollution remediation method by utilizing the slow-release fertilizer, plants with the remediation effect are planted in the soil with the slow-release fertilizer, and efficient, environment-friendly and sustained remediation of the soil polluted by the polycyclic aromatic hydrocarbons (PAHs) can be realized by utilizing the microorganism-plant remediation technology.

The invention discloses an inorganic nano composite anti-doodling resin and a preparation method thereof. Silane-coupling-agent-modified inorganic nanoparticles, fluorine-containing acrylate monomer, alkyl acrylate monomer and hydroxyalkyl acrylate monomer are subjected to free-radical polymerization reaction to obtain the inorganic nano composite anti-doodling resin. The film formed by the inorganic nano composite anti-doodling resin has the advantages of excellent weather resistance, excellent scratch resistance, excellent chemical corrosion resistance, excellent ultraviolet resistance, excellent wear resistance, low surface energy, excellent pollution resistance and excellent anti-doodling performance, thereby implementing the long-term anti-doodling action. The invention relates to the field of an anti-doodling resin and a preparation method thereof.

A lube base oil satisfying at least one of the following requirements (a) and (b). A lubricating oil composition for internal combustion engines is provided which comprises the lube base oil, an ash-free antioxidant containing no sulfur as a constituent element, and at least one member selected among ash-free antioxidants containing sulfur as a constituent element and organ omolybdenum compounds. Also provided is a lubricating oil composition for drive transmission devices which comprises the lube base oil, a poly(meth)acrylate-type viscosity index modifier, and a phosphorus compound. (a) The content of saturated matters is 90 mass% or higher and the proportion of cyclic saturated matters in those saturated matters is 10-40 mass%. (b) The lube base oil satisfies the relationship represented by the following expression (1). 1.440=n20-0.002OEv100=1.453 (1) [In the expression, n20 indicates the refractive index at 20 DEG C of the lube base oil and kv100 indicates the dynamic viscosity (mm2/s) at 100 DEG C of the lube base oil].

The invention belongs to the field of medicinal preparations and a novel medical technology and relates to an in situ gel preparation loaded with Kangfuxin and its preparation method and use. The in situ gel preparation loaded with Kangfuxin has temperature sensibility. The in situ gel preparation loaded with Kangfuxin is characterized in that Kangfuxin as a raw material and polymers are dissolved in a buffer solution or purified water according to a ratio. Because of polymer reverse-phase gel properties, the in situ gel preparation loaded with Kangfuxin is in a liquid state and can freely flow at a room temperature (of 20 DEG C) under storage conditions, and when the in situ gel preparation loaded with Kangfuxin is spread on a wound, under the action of a body temperature, the in situ gel preparation loaded with Kangfuxin forms fast semi-solid gel. The in situ gel preparation loaded with Kangfuxin is convenient for patient use, improves patient compliance, can effectively store drugs and can slowly release drugs so that drug action time is prolonged and drug efficacy is improved. Through oral administration, the in situ gel preparation loaded with Kangfuxin can be used for treating blood stasis, stomachache, gastrorrhagia, gastric ulcer and duodenal ulcer and assistantly treating Yin deficiency and pulmonary tuberculosis, and phthisis. Through external administration, the in situ gel preparation loaded with Kangfuxin can be used for treatment and anti-adhesion of metal-inflicted wounds, trauma wounds, ulcer wounds, fistula wounds, burn wounds, scald wounds, bedsore wounds and surgical wounds.

The invention relates to an artificial dermis bracket. The artificial dermis bracket comprises a three-dimensional porous structure with a deep layer and a shallow layer, wherein sustained release microspheres loaded with functional factors are introduced into the artificial dermis bracket, and comprise microspheres loaded with antibiotics and microspheres loaded with skin growth factors, and a gradient structure is formed by the three-dimensional porous structure of the artificial dermis bracket due to different porosities of the deep layer and the shallow layer. The preparation method of the artificial dermis bracket mainly comprises the steps of: preparing the sustained release microspheres loaded with the functional factors; preparing collagen solutions with two concentrations as matrix solutions; and mixing the sustained release microspheres loaded with the functional factors into the corresponding matrix solutions and molding the three-dimensional porous structure comprising the deep layer and the shallow layer so as to form the artificial dermis bracket with introduction of the sustained release microspheres loaded with the functional factors. The artificial dermis bracket provided by the invention has antibacterial activity and the property of promoting wound healing.

The present invention provides a long-acting humic phosphate fertilizer and its preparation method. Said invention adopts the cheap coal humic acid and general quick-acting phosphate fertilizer and markes them produce chemical reaction under the action of accelerator and complexing agent to prepare the invented long-acting phosphate fertilizer. Said invention adopts an unique chemical reaction tomake the HA-P compound formed by said chemical reaction can effectively inhibit the fixation of fast-effective phosphorus and can reduce said fixation by above 16%, under the condition of identificalfertilizer application or reducing said fertilizer application as compared with general phosphate fertilizer said HA-P can raise yield by about 10%, and the utilization rate of P can be raised by 10 percentage points.

The invention discloses environment-friendly architectural paint capable of absorbing formaldehyde. The architectural paint comprises the following raw materials in parts by weight: 10-25 parts of a citrus peel extract, 10-25 parts of diatomite, 35-50 parts of a formaldehyde-removing styrene-acrylic emulsion, 5-20 parts of quartz sand, 15-35 parts of coarse whiting, 0.1-1 part of hydroxyethyl cellulose, 1-10 parts of calcined kaolinite, 0.3-1.5 parts of one or two dispersing agents, 0.1-1 part of an antifoaming agent, 0.1-1.2 parts of a thickening agent, 0.1-0.5 parts of a wetting agent and 80-100 parts of deionized water. The architectural paint can acheive the function of removing formaldehyde without being subsequently added with a functional material, so that the long-term effect and the stability on formaldehyde removing of the architectural paint are achieved; both the purification efficiency and the purification effect of the architectural paint reach the standards, wherein the purification efficiency is higher than 85% and the purification persistence index is higher than 70%.

The invention discloses a method for preventing and controlling freeze-expanded damage to water-containing subgrade in a cold region and a bunched low-temperature heat pipe. The method is characterized in that a T-shaped bunched solar low-temperature heat pipe capable of transmitting solar energy or electric energy heat into the subgrade is arranged in the subgrade; when the environmental temperature is lower than 0 DEG C, a working medium on the evaporation segment of the low-temperature heat pipe absorbs solar energy heat and rises to be conducted into the condensation segment of the low-temperature heat pipe; on cloudy days, the working medium on the evaporation segment is heated through electric heating, and is conducted into the condensation segment of the low-temperature heat pipe; heat is transmitted into the water-containing subgrade through the condensation segment in order that the temperature of the water-containing subgrade is greater than the icing temperature; the working medium which releases heat returns back into the evaporation segment under the action of gravity to absorb heat, and the abovementioned work is performed circularly in order that the temperature of the water-containing subgrade is kept higher than the icing temperature, so that the occurrence of freeze-expanded damage to the subgrade is prevented. The method is simple and reliable, the phenomenon of frost heaving of the subgrade can be effectively avoided, and the transportation safety is ensured.

The invention relates to K237 polypeptide-modified invisible nanoparticles, which consist of K237 polypeptide and invisible nanoparticles. The invisible nanoparticles are made of polyethylene glycol-polylactic acid amphiphilic copolymer with end blocking aldehyde group. The invention also provides application of the K237 polypeptide-modified invisible nanoparticles and application of the polyethylene glycol-polylactic acid amphiphilic copolymer with the end blocking aldehyde group. In the invention, the K237 serving as targeted head groups is modified on the surfaces of the invisible nanoparticles; and after intravenous administration, the medicament-carried invisible nanoparticles actively target the carried medicament to the endothelial cells of the tumor vessel through the K237-VEGF02-mediated active targeting action so as to realize targeted anti-tumor therapy of the tumor vessel. The K237 polypeptide-modified invisible nanoparticles overcome the defects of poor targeting in cationic liposome and narrow application range that the RGD or CRGDC serving as the targeting head group can only target to the tumor vessel with integrin expressed to be positive.

The invention provides a preparation process for quartz stone with long-acting organic antibacterial performance. The preparation process comprises the following steps: (1) weighing components according to a formula; (2) heating unsaturated polyester resin to 30 to 50 DEG C, adding a coupling agent and an organic antibacterial agent, and carrying out high-speed stirring for polymerization so as toform an prefabricated solution of organic polymer antibacterial resin; (3) adding a curing agent and a pigment and filler, carrying out mixing, adding the obtained mixture into a beater and carryingout grinding so as to form an organic polymer antibacterial adhesive; (4) dumping quartz powder, quartz sand and modified organic silicon resin into a hopper, carrying out stirring at a low speed andthen adding the organic polymer antibacterial adhesive so as to form a prefabricated material of quartz stone; and (5) subjecting the prefabricated material of quartz stone to tiling, compaction and curing so as to obtain the quartz stone with long-acting organic antibacterial performance. The preparation process for the quartz stone with long-acting organic antibacterial performance employs a manner of prefabrication of the organic polymer antibacterial adhesive to give better play to the antibacterial performance of the organic antibacterial agent, so the prepared quartz stone has more obvious and long-acting organic antibacterial performance. The preparation process is simple and convenient.

The invention discloses a long-lasting special fertilizer for a rubber tree and a preparation method thereof. The special fertilizer comprises the following effective components in parts by mass: 15-22 parts of nitrogen, 5-10 parts of phosphorus pentoxide, 10-15 parts of potassium oxide, 0.1-0.3 part of zinc, 0.4-0.6 part of magnesium, 0.2-0.3 part of molybdenum, 1-2 parts of dicyandiamide and 5-10 parts of humic acid. The long-lasting special fertilizer for the rubber tree disclosed by the invention is reasonable in formula and high in service efficiency; overall nutrition required for growth of the rubber tree is met; the disease resistance of the rubber tree is improved; diseases are reduced; a long-lasting effect is achieved; the application number can be reduced; time and labor are saved; meanwhile, soil can be improved; nutrient balance of the soil is ensured; the growth speed of the rubber tree is quickened by the application of fertilizer of which the dosage is best for growth of the rubber tree; the yield of dry rubber is improved; and sustainable production of rubber is achieved.

The invention discloses contact type inshore fishing boat anti-fouling paint and a preparation method thereof. The contact type inshore fishing boat anti-fouling paint comprises a component A and a component B, wherein the component A comprises the following components in percentage by weight: 10%-30% of epoxy resin, 0-15% of rosin resin, 3%-15% of anti-rusting pigments, 15%-25% of an anti-fouling agent, 0.2%-1.0% of fumed silica, 0.2%-1.5% of an aid, 5%-30% of functional pigments and 15%-40% of a solvent; the component B comprises the following components in percentage by weight: 60%-100% of an epoxy curing agent and 0-40% of a solvent. The contact type inshore fishing boat anti-fouling paint has the advantages that the anti-fouling paint does not contain internationally forbidden pesticide poisons such as organic tributyltin (TBT) and dichlorodiphenyltrichloroethane (DDT); the manufacturing and construction environments are relatively good, the poisons and resin emitted to ocean are reduced; the contact type inshore fishing boat anti-fouling paint is environmentally friendly and is non-toxic to the environment.

The invention relates to a slow release type chlorine dioxide solid disinfectant and a preparation method thereof. The slow release type chlorine dioxide solid disinfectant is composed of a component A, a component B and a double-layer slow release device. The component A comprises chlorine dioxide parent, a reducing agent, a filling agent, a stabilizer and a slow release carrier. The component B comprises acid solution. The component A is placed in the double-layer slow release device, and the component B is independently packaged. The preparation method is simple, and the slow release type chlorine dioxide solid disinfectant is suitable for industrial large-scale production, convenient to use, easy to store and long in guarantee period and has good application prospects in the fields such as home furnishing, environmental protection and health defence. The slow release type chlorine dioxide solid disinfectant can be used for deodorization and disinfection of a refrigerator, a toilet, a shoe cabinet, a storage room and the inside of a vehicle and the like.

The invention discloses a preparation method of composite improved planting soil for vegetation restoration of mining slopes. The preparation method comprises following steps: (1), grinding distillers' grains, bagasse, diatomite and fly ash, and performing sieving to obtain a prefabricated material a; (2), thickening and dewatering municipal sludge, carrying out drying and smashing, adding iron tailing sand to be mixed uniformly, adjusting water content, then adding a binding agent, conducting granulation, feeding particles into a rotary kiln, carbonizing the particles at 500-600 DEG C for 20-30 min, performing cooling, and adding activated carbon and decomposed organic fertilizer to be mixed uniformly to obtain a prefabricated material b; and (3), uniformly mixing the prefabricated material a and the prefabricated material b, adding a fermented liquid to the mixture for decomposing at the decomposing temperature of 40-50 DEG C for 20-40 days, keeping the water content of the mixture at 16wt%-20wt% in the decomposing process, drying the mixture, adding polymaleic anhydride and polyvinyl alcohol to be mixed uniformly, and conducting granulation to obtain the composite improved planting soil for vegetation restoration of the mining slopes.

The invention relates to a heavy anti-corrosion coating material. The material does not need solvent and comprises a main agent system and a curing agent system; graphene-modified polycaprolactone is adopted as a toughening agent in the main agent system, and the anti-corrosion coating material can be directly applied in a waterless environment or water environment through a hand coating method, an apply coating method and a brush coating method. By adopting the material and a using method thereof, the zero-solvent content is achieved; meanwhile, the long effectiveness of the anti-corrosion effect and thick coating are achieved, the technical problem of steel structure corrosion prevention in a severe environment of a splash zone is effectively solved, the constructability and protective capability of ocean engineering corrosion prevention are greatly improved, and the technical progress in the coating field in China is promoted; in addition, the engineering construction cost is greatly lowered, the expensive repair and maintenance cost and precious fresh water resources are saved for the state, and the good social and economic benefits are achieved.

The invention discloses an environment-friendly building coating and a preparation method thereof. The environment-friendly building coating comprises 25-35 parts of sansevieria trifasciata prain plant extract, 20-30 parts of methyl methacrylate, 18-25 parts of medical stone, 10-15 parts of hollow glass beads, 15-20 parts of diatomaceous earth, 10-15 parts of titanium dioxide, 15-25 parts of low VOC pure acrylic emulsion, 2-4 parts of thickener, 5-8 parts of auxiliaries, 3-6 parts of dispersing agent, 4-6 parts of antifoaming agent, 2-5 parts of wetting agent and 15-25 parts of deionized water. According to the environment-friendly building coating, formaldehyde brought by indoor decoration can be removed, a formaldehyde removing function can be achieved without follow-up addition of functional materials, and a long-term effect and stability of coating formaldehyde removal are achieved. The environment-friendly building coating is good in sound absorption effect, safe and environmentally friendly, saves indoor space and can adjust indoor air humidity. When the air humidity is large, the pore wall and particularly wood fibers can adsorb a certain amount of moisture.

The invention relates to controlled-release fertilizer as well as a preparation method and application thereof. The controlled-release fertilizer is prepared by taking straw powder as a raw material,carrying out sulfonation treatment under the existence of sulfite, a buffer agent, anthraquinone and copper salt, then carrying out alkalization treatment by sodium hydroxide and finally carrying outchloroacetic acid treatment. The invention also provides the preparation method and the application of the controlled-release fertilizer. In the controlled-release fertilizer provided by the invention, the molecular weight of lignin is small, the sulfonating rate is high, and the lignin and cellulose in plant straw are fully utilized; the controlled-release fertilizer can be applied by adding water or be applied as base fertilizer or topdressed fertilizer, a slow release effect is good, and release of nutrients can be effectively controlled.

The invention provides a long-acting organic antibacterial performance. The quartz stone comprises, by weight, 20 to 35 parts of quartz powder, 35 to 60 parts of quartz sand, 0.5 to 1 part of modifiedorganic silicon resin, 1 to 3 parts of a coupling agent, 1 to 3 parts of a curing agent, 2 to 5 parts of an organic antibacterial agent, 3 to 8 parts of a pigment and filler and 8 to 18 parts of unsaturated polyester resin. According to the invention, the micromolecular organic antibacterial agent is polymerized through a polymerization reaction, and the composition of man-made quartz stone is optimized, so the prepared quartz stone has more obvious and long-acting antibacterial and bactericidal performance and provides better guarantee for human health.

The present invention discloses one kind of sulfonated long chain alpha-olefin copolymer and its preparation process and use. The preparation process includes the following steps: 1. adding triisobutyl aluminum, diphenyl dimethoxy silane, spherical polypropylene catalyst, long chain alpha-olefin and styrene into n-heptane solvent to polymerize styrene-long chain alpha-olefin copolymer; and 2. dissolving the styrene-long chain alpha-olefin copolymer in o-dichlorobenzene through heating and stirring, and dropping concentrated sulfuric acid slowly to sulfonate and obtain sulfonated long chain alpha-olefin copolymer. The preparation process is simple and low in production cost, and the sulfonated long chain alpha-olefin copolymer may be used in preparing agricultural film with excellent surface hydrophilicity, long service life and other advantages.

The invention discloses polysaccharide core Nanocells as well as a preparation method and application thereof. Each polysaccharide core Nanocell is of a core-shell structure, a nanoparticle made of a polysaccharide material serve as a core, the outer layer of the nanoparticle is wrapped with a lipid membrane which is formed by a lipid material and similar to a lipidosome capsule membrane, and a medicine is entrapped in the nanoparticle, and/or between the lipid membrane and the nanoparticle core, and/or entrapped on the lipid membrane. According to the polysaccharide core Nanocells, different lipid materials can be adopted, or lipid is modified with different targeting guide molecules, and magnetic particles are wrapped or materials or medicines sensitive to the microenvironment of a corresponding disease site are added, so that the polysaccharide core Nanocell with different targeting functions is obtained; medicines of various mechanisms can be simultaneously entrapped, so that multifunctional treatment on diseases is realized; and the sustained-release long-acting effect is achieved while targeted therapy is achieved, the effect of reversing medicine resistance can be achieved, and the medicine curative effect and the medication compliance are improved.

The invention discloses a rapping device. The rapping device comprises a rapping hammer capable of rotating, a hammer lifting module, a hammer falling module and a driving module; the hammer lifting module includes a rotating part, a swing arm and a return part; the rotating part can rotate; the swing arm is arranged on the rotating part in a swing manner; the return part normally drives the swing arm to locate in a hammer lifting position suitable for driving the rapping hammer to rotate; when the hammer lifting module rotates to a first position, the swing arm in the hammer lifting position drives the rapping hammer to rotate so as to lift up the rapping hammer; the hammer falling module is opposite to the swing arm; when the hammer lifting module rotates to a second position, the hammer falling module pushes the swing arm from the hammer lifting position to enable the rapping hammer to fall down; and the driving module is in transmission connection with the rotating part. According to the rapping device, the lifting and fall rapping of the rapping hammer can be realized, and the return part is provided for enabling the hammer lifting module to stably drive the rapping hammer, so that the working stability of the rapping device is improved.

The invention relates to the field of agriculture fertilizers, and especially relates to a fertilizer special for crops. The fertilizer comprises the following raw materials in parts by mass: 20-30 parts of urea, 15-17 parts of calcium phosphate, 11-14 parts of calcium superphosphate, 10-14 parts of potassium chloride, 12-15 parts of potassium sulfate, 10-12 parts of a silicon fertilizer, 7-12 parts of soybean meal, 9-12 parts of ferrous sulfate, 5-7 parts of magnesium sulfate, 7-8 parts of potassium dihydrogen phosphate, 6-10 parts of copper sulfate, 5-7 parts of zinc sulfate, 4-7 parts of manganese sulfate, and 60-70 parts of water. The fertilizer realizes fertilizer effects of long-acting, multiple effects, and high efficiency without pollution.