31results about How to "No harmful effect" patented technology

The invention relates to a surface-enhanced Raman scattering (SERS) active substrate based on star-shaped gold nanoparticles and a preparation method thereof, wherein the SERS active substrate is good in enhancement effect, low in cost, simple and convenient in preparation method and good in repeatability. By dipping an ammonified glass sheet into a star-shaped gold nanoparticle solution, the highly uniform SERS active substrate is obtained through the function of static adsorption under the effect of magnetically agitating at a low speed. According to the invention, the star-shaped gold nanoparticles are combined with a static self-assembly method, excellent SERS effect of the star-shaped gold nanoparticles is used for making up main deficiency in preparation of the SERS substrate by using the static self-assembly method, therefore, the high-efficiency SERS active substrate which is simple in preparation method and good in both repeatability and enhancement effect is formed.

The invention discloses a chiller coating for the molding of green-sand-casting ductile iron castings and an application method thereof, which belong to the technical field of coatings for casting molding. The coating is prepared from the following components in percentage by mass: 55-60% of a graphite alcohol based coating, 30-35% of alcohol and 5-10% of ferric oxide powder. When in use, the coating is uniformly coated on the surface of chiller, and the coating thickness is 1-2 mm. By using the coating for the molding of green-sand-casting ductile iron castings disclosed by the invention, no harm is caused to castings, no influence is caused on the environment, and the quenching of ductile iron castings is reduced; meanwhile, because gas in a cavity is reduced, and the cooling speed is high, a casting has no pore defect, and the finished product ratio of the casting can reach 100%, therefore, the coating has a broad market prospect.

The invention relates to a plant growth regulator characterized by that, the regulator is a liquid mainly comprising ethrel and butylacetic diethylaminoethanol easter and is prepared by mixing the two ingredients with added solution, stabilizer and surface active agent. The regulator by the invention can effectively prevent corn lodging, its advantages includes better yield increasing effect, appreciable attribute betterment, simple process for manufacturing, and easiness in use.

The invention provides an ACE inhibitory peptide in fermented milk and the preparation method thereof, which relates to the inhibitory peptide of an enzyme and the preparation method thereof. The invention aims at solving the problems that the existing chemical ACE inhibitor has severe side effect, and due to the adoption of a biological enzyme method, biological ACE inhibitor has high requirements for production conditions, complicated production process, expensive equipment cost and bitter product. The ACE inhibitory peptide in the fermented milk mainly comprises four kinds of small molecular peptide the amino acid sequences of which are KPAGDF, KAALSGM, KKAAMAM and LDHVPGGAR. The invention has the preparation: 1. fermented milk preparation; 2. filtration, enzyme extermination, centrifugation and ultrafiltration; 3. refrigeration and desiccation. The ACE inhibitory peptide in the fermented milk is milk protein peptide with biological activity, which has no side effect on a human body, and the ACE inhibitory peptide is edible and highly secure without any bitterness; the ACE inhibitory peptide can withstand high temperature of 90 DEG C without degeneration. The method for preparing the ACE inhibitory peptide in the fermented milk has the advantages of low requirements for production conditions, simple production process, no need for expensive equipment, low cost, high security, no bitter product, and the like.

The invention discloses an additive increasing a survival rate of live fish transportation, and belongs to the field of aquatic product transportation. The additive is prepared from, by mass, 10-50% of coarse salt, 5-8% of an isatis root extract, 10-30% of pregelatinized starch, 8-12% of vitamin C, 8-12% of vitamin B2, 10-12% of glucose and 20-40% of dried ginger. The additive can significantly increase the survival rate of live fish transportation, does not have drug harm effects of other anaesthetic sedatives, is low in cost, convenient to use, does not need intramuscular injection and othercumbersome operation, and is suitable for economical fish transportation.

The invention discloses a plant growth regulator as well as a preparation method and an application thereof. The structural formula of the regulator is shown in the formula (I) in the specification. The preparation method comprises the step of subjecting ethephon to react with diethyl aminoethyl hexanoate. The invention also provides a preparation composition. The preparation composition comprises the compound shown in the formula (I), a solvent and auxiliaries, wherein the ratio of parts by weight of the compound shown in the formula (I), to the solvent to the auxiliaries is (1-99):(1-90):(1-20). The regulator has the following beneficial effects that: the compound shown in the formula (I) and the preparation composition can be slowly decomposed into ethephon and diethyl aminoethyl hexanoate after being sprayed on the plants, thus playing roles of slow release and synergy, more effectively preventing plant lodging and increasing the plant yield; and the regulator is salt and is neutral, thus saving the package and transport costs and being safer and more reliable to use.

The invention discloses a compound growth regulator and a preparation method and application thereof. The compound growth regulator is prepared from the following components in parts by weight: 5-80 parts of trinexapac-ethyl, 4-60 parts of acetylthioproline and 0.001-1 part of brassinolide. According to the compound growth regulator, the coordinated improvement of pod number, grain number and grain weight can be promoted, and numbers of shrunken pods and shrunken grains are significantly reduced; the lodging rate of soybeans is reduced, the yield of the soybeans is increased, and the cost is lowered; the comprehensive quality of soybean seeds and straws is improved, and the content of protein, amino acids (especially methionine, lysine and other essential amino acids) is improved; the drugdamage effect on the soybeans does not exist, and good safety is brought; and the content of pesticide residues in soil can be reduced, and the compound growth regulator is safe to environments.

The invention discloses a geomechanical model similar material for simulating V-class surrounding rock, and belongs to the field of engineering similar simulation materials. The similar material is formed by mixing the following components in parts by weight: 380-430 parts of quartz sand, 140-200 parts of fly ash and 60-100 parts of liquid detergent, wherein cohesion measured is 0.476-17.774MPa and an internal friction angle is 13.393-22.264 degrees. Furthermore, the invention discloses influence of the quartz sand, the fly ash and the liquid detergent on the cohesion and the internal friction angle, so as to facilitate a rock mass to simulate required V-class surrounding rock materials differing in performance through regulating mixing amounts conveniently; moreover, the material is simple in preparation process, stable in performance, low in energy consumption, high in efficiency, low in cost, clean and harmless to humans.

The invention relates to a herbicide as well as a preparation method thereof, and particularly relates to herbicide isoproturon applied to a rice field as well as a preparation method of the herbicide isoproturon. The rice field herbicide isoproturon comprises isoproturon, auxiliaries and packing; the auxiliaries contain wetting agents, emulsifying agents, dispersion agents and protection agents. Because components with different effects, such as the wetting agents, the dispersion agents and the emulsifying agents, are added into the herbicide provided by the invention, and take effects with the protection agents, so that the protection agents can take effects effectively.

The invention relates to a leaf fertilizer for preventing fruit cracking of jackfruit, a fruit cracking prevention method and application thereof, and belongs to the technical field of fruit crackingprevention. The invention provides application of a borax aqueous solution as a leaf fertilizer for preventing fruit cracking of jackfruit. The leaf fertilizer can effectively prevent fruit cracking,and the fruit cracking rate can be reduced from 90% to 3%, and the leaf fertilizer has no chemical injury effect on jackfruit.

The invention relates to a plant growth regulator characterized by that, the regulator is a liquid mainly comprising ethrel and butylacetic diethylaminoethanol easter and is prepared by mixing the two ingredients with added solution, stabilizer and surface active agent. The regulator by the invention can effectively prevent corn lodging, its advantages includes better yield increasing effect, appreciable attribute betterment, simple process for manufacturing, and easiness in use.

The invention discloses a cefixime capsule preparation method and solves the problem that a cefixime capsule formula in the prior art has certain harms. The cefixime capsule preparation method includes: firstly, well mixing cefixime with hydrogenated vegetable oil proportionally, sequentially adding microcrystalline cellulose and aerosil, and well mixing; secondly, adding pre-gelatinized starch, and well mixing; finally, subjecting well mixed materials to dry pressing and granulating, filtering through a 40-mesh screen to obtain granules, and adding the granules into capsule shells to obtain finished products. Cefixime capsules are prepared from, by weight, 3-7 parts of cefixime, 1-3 parts of microcrystalline cellulose, 16-20 parts of pre-gelatinized starch, 2-4 parts of aerosil and 1-3 parts of hydrogenated vegetable oil. Effectiveness in dispersion of cefixime into pre-gelatinized starch is realized, and excellent dispersion effects are achieved. In addition, the hydrogenated vegetable oil can be absorbed by human bodies, and harms are avoided.

The invention relates to the field of agriculture and forestry, and provides a seed dressing agent for promoting germination of plant seeds and a preparation method thereof. The seed dressing agent isprepared from the following raw materials in percentage by weight: 1 to 2 percent of silkworm chrysalis, 2 to 3 percent of starfish, 4 to 5 percent of cornu bubali, 3 to 4 percent of rhizoma imperatae, 2 to 3 percent of malt flour, 2 to 3 percent of kelp, 1 to 2 percent of leaves of pericarpium zanthoxyli, 2.5 to 3.5 percent of folium artemisiae argyi, 3 to 4 percent of orange peel, 2 to 3 percent of coriander, 3 to 4 percent of ficus carica leaves, 3 to 4 percent of reed root, 2 to 3 percent of alginic acid, 2 to 2.5 percent of imidacloprid wettable powder of which the concentration is 70 percent, 8 to 11 percent of amino acid, 0.8 to 0.9 percent of zinc sulfate, 3 to 6 percent of monopotassium phosphate, 0.5 to 0.8 percent of potassium sorbate and the balance of magnetized industrial water. According to the seed dressing agent disclosed by the invention, most raw materials required for production are natural materials, the environment is not polluted during a using process, the damage to the human body is avoided, the root system of the plant subjected to seed dressing by the seed dressing agent is developed, the stooling is strong and the activity of the root of the system is improved, the disease resistance of plants is enhanced, the drought resistance, the freezing resistance, waterlogging tolerance and the saline-alkaline tolerance of the plants are enhanced, the germination speed of the plant seeds is fast, seedlings grow strongly, an application range is wide, and the seed dressing agent is suitable for being used for seed dressing of multiple plants.

The invention provides a method for eliminating oil spots of a thin nickel strap. The method comprises the following process steps that S1, the thin nickel strap is prepared, specifically, a raw material nickel hot-rolled plate is subjected to multi-pass cold rolling to reach the thickness required by a finished product; S2, bright annealing is conducted, specifically, a cold-rolled sheet is put into a bright annealing furnace to be subjected to offline annealing treatment between passes, the annealing temperature ranges from 600 DEG C to 680 DEG C, and the heat preservation time ranges from 15 min to 30 min; the front and rear parts of the continuous bright annealing furnace are closed, a high-temperature inner container is filled with hydrogen protective atmosphere, hydrogen serving as protective gas enters from the outlet end and is discharged from the inlet end, and the flow of the protective gas is controlled; an injection air duct is arranged in the bright annealing furnace, and a strong circulating system is matched to etch heated atmosphere to the surface of the nickel strap, so that rapid and uniform strong convection heating is realized; and S3, degreasing cleaning is conducted, specifically, degreasing cleaning is conducted on the cold-rolled thin nickel strap, and the finished thin nickel strap is obtained. The method can improve the product quality, shorten the production period and reduce the cost.

The invention discloses a seed soaking agent and a preparation method thereof. Raw materials of the seed soaking agent include celery root, garlic skin, herba houttuyniae, coriander root, dandelion herbs, burdock seed, siberian cocklebur fruit, beta-cyclodextrin, sodium carboxymethylcellulose and water; the preparation method comprises the steps that the celery root, the coriander root, the garlicskin, the dandelion herbs and the herba houttuyniae are placed in the A group water, soaking is conducted for 40-50 minutes, decoction is conducted for 50-60 minutes, and traditional Chinese medicineliquid is obtained through filtering; the B group water is heated to 60-70 DEG C, the beta-cyclodextrin and the sodium carboxymethylcellulose are added, heat preservation and stirring are conducted for 15-30 minutes, burdock seed powder, siberian cocklebur fruit powder and the traditional Chinese medicine liquid are added, and stirring is conducted for 15-20 minutes, so that the seed soaking agent is obtained. The seed soaking agent has the effect of killing or inhibiting harmful worm eggs and germs carried by seeds, the seeds subjected to soaking does not need to be washed, and germination accelerating or seed sowing can be directly conducted.

The invention relates to pills for rapidly treating cancer. The pills are prepared from the following components by weight: 1 kg of spreading hedyotis herb, 1 kg of goosegrass herb, 1 kg of purslane herb and 0.05 kg of plant soot. The pills can rapidly treat cancer in an oral taking manner without causing any harm. Moreover, the pills are mild in drug property, and have the curative effects of sterilizing, disinfecting, promoting blood circulation, purifying blood, improving organ functions, improving immunity, increasing oxygen content and the like.

The invention provides a method for eliminating oil spots on a thin nickel strip, which includes the following process steps: step S1, preparation of a thin nickel strip: cold rolling the raw nickel hot-rolled plate through multiple passes to the thickness required by the finished product; step S2, bright annealing : Put the cold-rolled sheet into the bright annealing furnace for offline annealing treatment between passes, the annealing temperature is 600-680°C, and the holding time is 15-30 minutes; the front and back of the continuous bright annealing furnace are closed, and the high-temperature inner tank is filled with Hydrogen protective atmosphere, hydrogen as a protective gas enters from the outlet end and is discharged from the inlet end to control the flow of the protective gas; the bright annealing furnace is equipped with a jet duct and a powerful circulation system to etch the heated atmosphere to the surface of the nickel strip to achieve Rapid and uniform strong convection heating; step S3, degreasing and cleaning: degreasing and cleaning the cold-rolled thin nickel strip to obtain a finished thin nickel strip. The invention can improve product quality, shorten production cycle and reduce cost.

Apparatus for condensing a drafted fibre sliver in a condensation area after the front roller pair on a drafting unit, where the condensation zone contains a suction element with a sliding surface with at least one suction slit essentially running in the direction of movement of the fibre sliver and a transport belt, which transports the fibre sliver over the sliding surface and which is at leastair-permeable over parts of its surface, characterized by the following features: the transport belt (12), apart from the suction element (11), partially loops round a guide roller (13) placed at a distance from the suction element and flexibly arranged transversely on its axis of rotation, the guide roller (13) in the looping area and the transport belt (12) bear against a drive roller (14) and these are provided with the means to create a defined contact pressure between the guide roller (13) and the drive roller (14).

The invention discloses a Bacillus sp. FE-1 for degrading fomesafen, and its preservation number is CCTCC M 2016044. The fomesafen-degrading bacterium of the present invention has the highest degradation rate of fomesafen under the condition of neutral pH, and the degradation rate gradually increases with the gradual increase of the culture temperature. And the strain has good potential for remediation of contaminated soil. Therefore, the fomesafen-degrading bacteria of the present invention has positive significance for the degradation of fomesafen residues in the polluted environment.

The invention belongs to the technical field of pesticide production, in particular to a Macleaya cordata water suspension agent biological pesticide and a preparation method thereof. The biological pesticide comprises the following components in percentage by weight: 99.7%-99.8% of component a, 0.20-0.30% of component b; the component a comprises the following components in percentage by weight: 1%-5% of Macleaya cordata alkaloids, 5%-20% of dispersant, 0.5%-5% of thickener, 1%-15% of antifreezing agent, 0.5%-10% of stabilizer and that balance of deionize water; the component b is a mixture of penicillium, azotobacter and bacillus subtilis. The Macleaya cordata water suspension agent biological pesticide provided by the invention is safe for operators and users because no or less organic solvents are used and no dust is generated. The Macleaya cordata water suspension agent biological pesticide can be uniformly mixed and dispersed with water in any proportion, less effected by the quality of water and easy to use and not easy to pollute the environment. It is an environmentally compatible water-based pesticide dosage form and has fast action and strong effect and has a good market prospect.

A controlled light having a wavelength of 400 to 600 nm inclusive and an energy of 0.01 to 1 J / cm2 inclusive is irradiated to a site around a hair root for 1 ms or shorter in the form of a flash light, thereby causing the absorption of the light by a biological light-absorptive component which occurs in the periphery of the hair root. Thus, the growth of hair can be controlled with causing little adverse side-effects.

The invention relates to a gold nanoshell-based method for determining the capability of an antioxidant for clearing H2O2, which comprises the following steps: mixing gold nanoparticles (GNPs) with an aminated SiO2 colloidal solution to obtain SiO2 / GNPs composite particles by the action of electrostatic adsorption, wherein the H2O2 can reduce chloroauric acid into gold nanoparticles which depositon the surfaces of the SiO2 / GNPs composite particles to form complete gold nanoshells, and if the antioxidants with different concentrations are firstly mixed with the H2O2 for reaction, after the residual H2O2 reduces the chloroauric acid, only incompletely coated gold nanoshells can be formed; carrying out characterization on the SiO2 / GNPs composite particles and the gold nanoshells with different coating degrees by an ultraviolet / visible light spectrophotometer; comparing the maximum absorption wavelengths of the SiO2 / GNPs composite particles and the gold nanoshells to obtain the clearancerates of the antioxidants with different concentrations on the H2O2; and using the reciprocal of the concentration as the magnitude of the capability for clearing the H2O2. The invention is based on the change of optical properties in the growing process of the SiO2 / GNPs composite particles, and has simple operation and high detection sensitivity.

The invention discloses a geomechanical model similar material for simulating V-class surrounding rock, and belongs to the field of engineering similar simulation materials. The similar material is formed by mixing the following components in parts by weight: 380-430 parts of quartz sand, 140-200 parts of fly ash and 60-100 parts of liquid detergent, wherein cohesion measured is 0.476-17.774MPa and an internal friction angle is 13.393-22.264 degrees. Furthermore, the invention discloses influence of the quartz sand, the fly ash and the liquid detergent on the cohesion and the internal friction angle, so as to facilitate a rock mass to simulate required V-class surrounding rock materials differing in performance through regulating mixing amounts conveniently; moreover, the material is simple in preparation process, stable in performance, low in energy consumption, high in efficiency, low in cost, clean and harmless to humans.

The invention provides rose flower tea with the function of reducing postprandial blood sugar, wherein the rose flower tea is prepared from the following raw materials in parts by weight: 1-7 parts ofrose flower, 0.5-3 parts of a matcha extract, 0.5-3 parts of a wolfberry extract, 0.1-1 part of a dendrobium nobile extract and 0.5-3 parts of a mulberry leaf extract. Provided is a preparation method of the rose flower tea, wherein the preparation method includes the steps: a step of preparing a matcha extract liquid, a step of preparing a wolfberry extract liquid, a step of preparing a mulberryleaf extract liquid, a step of preparing a dendrobium nobile extract liquid, a step of compounding the extract liquids and a step of preparing rose flowers. Each flower is filled with the compound concentrate with an automatic sample injector, loaded into a tray, then put into a drying oven and dried at normal pressure, and the rose flower tea with the function of reducing postprandial blood sugar is obtained after drying. A water-soluble substance can be quickly dissolved after the rose flower tea is soaked in hot water, the content of a biological active substance is higher than the contentof a biological active substance in a single rose, and the postprandial blood sugar level can be reduced.

The invention discloses an environment-friendly cosmetic, a preparation device and a preparation method. Comprising the following components in parts by weight: 70 to 80 parts of H2O, 0.06 to 0.22 part of glycine, 12 to 26 parts of glycerol, 2 to 6 parts of neopentyl glycol, 0.6 to 3.2 parts of C12-16 alcohol, 16 to 32 parts of an aloe extract and 12 to 22 parts of a chamomile extract. In combination with the method, the problems that in the prior art, cosmetics mainly used for supplementing water to the face have allergy and invasion effects on the face, so that the face is damaged and is not sanitary and environmentally friendly, the cosmetics are firmly adsorbed on the bottle wall containing the cosmetics due to too large viscosity and are inconvenient to completely pour out and use are effectively solved. Waste and environmental pollution can be caused by incomplete utilization, and effective components of vitamin A can be damaged in the preparation process.