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102results about How to "No poison" patented technology

Health table salt

The invented healthy edible salt is prepared by mixing with sodium chloride, various amino acid, peptide substance, vitamin B family, polysaccharide, or chitin, antioxidant, nucleic acid seasoning, potassium chloride, calcium salt, magnesium salt, selenium salt, and potassium iodide. It can effectively prevent various diseases, also can prevent osteoporosis, cancer, diabetes, dysinsulinosis, lithiasis, coronary heart disease, senile dementia, bark farus etc. it also possesses the functions of antisenility, antifatigue, antidepression, improving immune power, promoting growth etc.
Owner:岳静 +1

Conductive low-smoke zero-halogen flame retarding and oil resisting cable sheath material and preparation method thereof

The invention relates to a conductive screening material, in particular to a conductive low-smoke zero-halogen flame retarding and oil resisting cable sheath material and a preparation method thereof. The conductive screening material comprises the following basic components: 100 parts of ethylene-vinyl acetate rubber, 50-100 parts of magnesium hydroxide, 50-80 parts of conductive black, 10-30 parts of graphite powder, 5-10 parts of zinc borate, 10-25 parts of plasticizer, 2-5 parts of lubricant, 1-2 parts of antiager, 10-30 parts of flame retarding synergist, 2-3 parts of vulcanizer and 1-2 parts of vulcanization assistant. The preparation method comprises the four steps of material preparation, mixing, extrusion and tabletting. The conductive low-smoke zero-halogen flame retarding and oil resisting cable sheath material has the advantages of high conductivity, good oil resistivity, excellent flame retarding effect, no peculiar smell, easy stripping and high heat resistance level, and can pass the environment protection authentication of RoHS (Restriction of the use of certain Hazardous Substances Registration), REACH (Evaluation, Authorization and Restriction of Chemicals) and the like.
Owner:中广核三角洲(江苏)塑化有限公司

3D printing material with mosquito-repellent and noctilucent effects as well as application

The invention discloses a 3D printing material with mosquito-repellent and noctilucent effects as well as application. The 3D printing material is prepared from the following components in parts by weight: 110-145 parts of PLA, 10-20 parts of a mosquito repellent, 5-10 parts of noctilucent powder, 2-8 parts of a light diffusion agent, 10-20 parts of one or more cross-linking agents, 2-5 parts of one or more coupling agents, 10-30 parts of sodium lignin sulfonate, 2-8 parts of one or more nanometer antibacterial agents and 0.1-0.5 part of additives. According to the 3D printing material, the network structure of the 3D printing material is greatly strengthened, the tenacity of 3D printing products is effectively promoted, the degradation rate is high, the antibacterial effect is good, and good auxiliary lighting, identification and mosquito-repellent effects are achieved; the most important thing is that mint flavonoid extracts, rosemary extracts and the like in the mosquito repellent are synergistic with other components while having the mosquito-repellent effect, so that the oxidation resistance, bacteriostatic performance and network structure of the 3D printing material are obviously improved, and the 3D printing material is high in practicability and safety and obvious in significance, and can be widely popularized and applied.
Owner:JIANGSU HAOYU ELECTRONICS TECH

Natural traditional Chinese medicine mosquito-repellent incense and preparation method thereof

The invention discloses a natural traditional Chinese medicine mosquito-repellent incense and a preparation method thereof. The mosquito repellent incense is prepared from the following raw materials in parts by weight: 8-16 parts of pelargonium graveolens, 7-18 parts of folium artemisiae argyi, 6-17 parts of marigold, 9-19 parts of Chinese asafoetida, 6-18 parts of lantana camara l., 7-17 parts of houttuynia cordata, 4-15 parts of radix angelicae, 5-13 parts of rhizoma acori graminei, 6-16 parts of honeysuckle, 4-14 parts of lavender, 4-11 parts of sandalwood, 6-17 parts of agastache rugosus, 5-15 parts of mint, 6-15 parts of cordate telosma, 6-12 parts of polygala tenuifolia, and 4-15 parts of liquorice. The mosquito repellent incense provided by the invention does not have any toxic chemical composition, does not have any toxic or side effect on human bodies, and also has the effects of killing insects, inhibiting bacteria, calming heart, tranquilizing mind and improving the quality of sleeping besides having a significant mosquito repellent effect.
Owner:NANYANG NORMAL UNIV

Flame-retardant environment-friendly material and manufacturing process thereof

The invention relates to an environment-friendly material with flame-retardant effect, which comprises 5-8 parts by mass of plastics, 1-3 parts by mass of kaolin, 0.5-1.5 parts by mass of bamboo powder, 2-4 parts by mass of flame retardants, 0.5-1 parts by mass of chemical additives. When compared with current products, the material of the invention has low cost and good kaolin viscosity, and can substitute 3%-5% of plastics; because of certain flame-retardant effect of kaolin, 3%-5% of flame retardants can be relatively reduced; and thus the cost is reduced, and large industrial demands become possible. The application scope of the new product is improved, and the market share is extended.
Owner:陈姜志 +1

Antimicrobial water-based wood paint and preparation method thereof

The invention discloses an antimicrobial water-based wood paint and a preparation method thereof. The antimicrobial water-based wood paint comprises the following components in parts by weight: 20-30 parts of epoxy acrylate resin, 10-20 parts of polyurethane resin emulsion, 5-15 parts of dimethylolpropionic acid, 2-8 parts of mercapto ethylene glycol, 3-9 parts of nano alumina, 6-12 parts of nano silver antimicrobial agent, 1-10 parts of nano filler, 2-7 parts of dispersing agent, 4-9 parts of defoaming agent, 1-5 parts of thickener and 30-40 parts of deionized water. The prepared antimicrobial water-based wood paint does not use any organic solvent, has the advantages of no toxicity and no pollution, and is nontoxic and harmless to the environment and human body. The antimicrobial water-based wood paint has favorable protein adsorption resistance and microbe adsorption resistance. The coating has the advantages of favorable adhesive force, favorable mechanical properties and favorable mold resistance. The antimicrobial water-based wood paint is suitable for the field of application of wood furniture, wood doors / windows and artificial boards.
Owner:牛无畏

Preparation method for durable anti-bacterial fabric

The invention relates to a preparation method for durable anti-bacterial fabric. The preparation method comprises the following steps of synthesis of anti-bacteria monomer, synthesis of anti-bacterialNano-hydrogel, synthesis of surface-modified anti-bacterial Nano-hydrogel, and synthesis of durable anti-bacterial fabric. By adopting the preparation method, the anti-bacterial function of the fabric is achieved by combining Nano-hydrogel particles and the fabric. The treatment process of the method is easy and convenient, is low in damage on the original performance of the fabric; the fabric treated with the method has a durable anti-bacterial effect; the prepared anti-bacterial Nano-hydrogel has a simple treatment process, high biocompatibility, remarkable anti-bacterial effect, no injuryon human bodies, no antibacterial agent, and bacterial resistance.
Owner:DONGHUA UNIV +1

Belly hot-compress weight-losing drug for over-nutrition obesity and preparation method thereof

The invention relates to a belly hot-compress weight-losing drug for over-nutrition obesity and a preparation method thereof. The belly hot-compress weight-losing drug is prepared by mixing a component A and a component B. The component A comprises fortune eupatorium herb 20g, angelica roots 15g, Chinese atractylode rhizome 15g, radix angelicae pubescentis 10g, elecampane 10g, wild pepper 5g, folium artemisiae argyi 5g, cassia twig 15g, Chinese angelica 30g, ligusticum wallichii 15g, asarum 10g, rhizoma sparganii 10g, curcuma zedoary 10g, frankincense 5g, myrrh 5g and clove 5g. The component B comprises borneol 5g. The component B is added into the component A to be stirred and mixed to prepare the hot-compress weight-losing drug. The belly hot-compress weight-losing drug can permeate into human body tissues through belly hot compressing and massage to the human body belly, promote consumption and conversion of subcutaneous fat and achieve the weight-losing purpose. The belly hot-compress weight-losing drug is suitable for weight loss and hot-compress application of belly obese people caused by over nutrition.
Owner:李辉

Float seedling method of cured tobacco

The invention relates to the float seedling field, and discloses a float seedling method of a cured tobacco. In the method, pulverized fuel ash is used as a float seedling substrate. The invention cultures the cured tobacco by using the pulverized fuel ash as the float seedling substrate, and the pulverized fuel ash can completely substitute the conventional float seedling substrate to carry out the float seedling on the cured tobacco, can be obtained from local resources, has the advantages of low cost, no poison to soil and tobacco, energy saving and environmental friendliness, and raises the salvage value, thereby creating favorable economic benefits, ecological effects and social benefits.
Owner:曲靖市烟草公司富源分公司

Plastic foamed sheet with antistatic and flame-retardant functions and manufacturing technique thereof

The invention relates to an environment-friendly plastic foamed sheet with antistatic and flame-retardant functions and a manufacturing technique thereof. The manufacturing technique comprises the following steps: preparing bamboo carbon powder, kaolin, plastic, antistatic agent, flame retardant and other chemical assistants, banburying, mixing, discharging from a guillotine to obtain a sheet semi-finished product, and foaming to form with a foaming machine. The plastic foamed sheet is prepared from the following raw materials in parts by mass: 5.5-6 parts of plastic, 1.0-1.5 parts of bamboo carbon powder, 1.5-3.5 parts of kaolin, 1.0-2.5 parts of antistatic agent, 1.5-3.5 parts of flame retardant and 0.5-1.0 part of chemical assistants. The manufacturing technique produces the plastic foamed sheet with high-standard antistatic and flame-retardant functions, overcomes the defects and shortcomings in the prior art, has important and profound significance for solving the problems above, and has very wide market potential.
Owner:冼冰

Millet granule processing method

ActiveCN105766139AReduce harmThe particle number is accurate and flexibleSeed coating/dressingSowing
The invention relates to a millet granule processing method, and belongs to the technical field of millet sowing. Millet seeds for sowing are pelleted, each millet seed is coated, 5-8 coated millet seeds are combined together to form seed balls, the seed balls are coated to obtain formed millet granules, and then a sower is used for sowing and planting. By means of the mode of sowing millet granules, sowing is convenient, seed mobility is good, the emergence rate is large, seedling heights are uniform, and later-stage maintenance is easy.
Owner:DRY LAND FARMING INST OF HEBEI ACAD OF AGRI & FORESTRY SCI

Method for floating seedling of cured tobacco

The invention relates to the field of floating seedling and discloses a method for floating seedling of cured tobacco. The method adopts slag as a floating seedling matrix. The method adopts the slag as the floating seedling matrix and carries out breeding; not only the slag can replace the conventional floating seedling matrix for floating seedling of the cured tobacco completely, but also the tobacco leaf has harmonious internal ingredients, good quality of aroma, strong combustibility and low content of two sugars, thus the requirements of optimizing the tobacco leaf is achieved. In addition, the slag has low cost, can be obtained locally, does not generate toxicity to soil and tobacco left, can save the energy, protect the environment, improve the utilization ratio of waste, and create good economic, ecological and social benefits.
Owner:曲靖市烟草公司富源分公司

Hemostatic material and preparation method thereof

The invention belongs to the field of medical hemostatic materials and particularly relates to a hemostatic material and a preparation method thereof. The hemostatic material is prepared from raw materials in parts by weight as follows: 0.1-1.5 parts of carboxymethyl chitosan, 0.5-2 parts of PVA (polyvinyl alcohol), 0.2-5 parts of a compound toughening substance (named a plasticizing system hereinafter) and 0.5-1.5 parts of an ionic crosslinking agent. The hemostatic material can further comprise 0.5-3 parts by weight of a wide-spectrum hemostatic antibacterial agent. The product has good mechanical elasticity, can realize rapid hemostasis, can be completely degraded, is non-toxic and high in antibacterial property and is applicable to wound hemostasis, preferably body cavity hemostasis and especially applicable to nasal cavity hemostasis.
Owner:BEIJING TONGREN HOSPITAL AFFILIATED TO CAPITAL MEDICAL UNIV

Medicinal injection for killing coral predator acanthaster planci

The invention discloses a medicinal injection for killing coral predator acanthaster planci. The medicinal injection for killing the coral predator acanthaster planci contains Vibrio alginolyticus, Vibrio parahaemolyticus and a culture medium. The Vibrio alginolyticus HN492 and the Vibrio parahaemolyticus A16 in the medicinal injection for killing the acanthaster planci are separated from a seawater environment, are harmless to the environment under conventional concentrations, do not belong to pathogenic strains, and do not have pathogenicity for marine animals of marine fishes, shrimps, acanthaster planci and the like. According to the mechanism of the medicinal injection of killing the acanthaster planci, the bacteria form ultrahigh concentrations in acanthaster planci bodies locally, various enzymes and metabolites which are secreted by the bacteria cause damage to tissues in the acanthaster planci bodies, and a large amount of bacterial protein causes stress for the acanthaster planci, and causes death at last.
Owner:SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI

Co-production method of polyphenols, pigments, tannin, procyanidins and wood powder through Chinese chestnut buds

The invention relates to a co-production method of polyphenols, pigments, tannin, procyanidins and wood powder through Chinese chestnut buds. Chinese chestnut buds are smashed into 30-80 meshes, Chinese chestnut bud powder and alkaline deionized water are added into a tank, subjected to microwave radiation and stirred and extracted for three times, a water extract solution is separated through various films, polyphenols, pigments, tannin, procyanidins and wood powder are obtained after concentration and drying, and filter residues are dried into wood powder. By means of the scheme, comprehensive utilization of waste Chinese chestnut bud resources can be achieved, and the method belongs to the clean and efficient pollution-free ecological mode industry.
Owner:李斌

Biological insecticide

InactiveCN101300986AActs as a stomach killerStomach killing effect hasBiocideArthropodicidesSide effectEcological environment
The present invention relates to a biological insecticide. Currently, the broad use of poisonous pesticide causes the damage to the ecological agriculture. The toxicity caused by residual pesticide, especially the toxicity in the food enters the human body continuously. Therefore the continual using of the chemical pesticide goes against the environment and the existence of human being. The invention is prepared by the biological raw materials and has no poison or residual. The biological insecticide goes into the stomach and intestine of the destructive insect mainly through the air and has a stomach insecticidal effect. The insecticidal effect is strong and the efficiency is higher than 90%. The biological insecticide according to the invention also has the function of flower and fruit protection and invigorating the seed, and the purposes of production increase and income increase can be obtained. The product also has advantages of high toxicity, without any pesticide resistance generation and without any toxic and side effects to the fruit and vegetable. The biological insecticide according to the invention is an insecticide with advantages of health, environment protection and without pollution.
Owner:石天文 +1

Compound-type de-foaming agent and preparation method thereof

The invention discloses a compound-type de-foaming agent. The compound-type de-foaming agent comprises the following raw materials in percentage by mass: 1-20 percent of modified silicon polyether, 5-70 percent of polyether modified siloxane, 3-50 percent of an emulsifying agent, 10-20 percent of polyethylene glycol, 1-10 percent of fatty alcohol and 2-15 percent of triglyceride. The compound-type de-foaming agent has the advantages of stable performance, high de-foaming speed and long foam inhibition time, does not poison sewage microorganisms, does not change the COD (chemical oxygen demand) and BOD (biochemical oxygen demand) of sewage, and is applicable to wastewater treatment of enterprises of papermaking, printing-dyeing, sugar refinery, pharmacy and leather.
Owner:吴朝东

A high-performance structural reinforcement mortar composition and its preparation process

The invention discloses a high-performance structural reinforcement mortar composition, which uses 42.5-grade ordinary Portland cement and active pozzolan components as the main ingredients of the gelling material, and uses thickening and water-retaining components, polycarboxylic acid superplasticizers, It is modified by the coagulation-accelerating component, and special anti-crack fiber for mortar, quartz sand, and redispersible rubber powder are also added. The invention adopts redispersible polymer rubber powder and several kinds of active additives, which can effectively improve the durability of the mortar and the durability of the whole formed with the reinforced concrete matrix when added to the basic compound of ordinary mortar, and at the same time, it is harmful to the human body. It is not harmful to the environment and is a new type of energy-saving green building material.
Owner:上海维固工程实业有限公司

Defoaming agent for sewage treatment and preparation method of defoaming agent

The invention discloses a defoaming agent for sewage treatment and a preparation method of the defoaming agent. The defoaming agent comprises the following raw materials by weight: modified silicone polyether, polyether siloxane, an emulsifying agent, polyethylene glycol, diethanol glycerolipid, ethylene bis stearamide, heavy liquid paraffin, dimethyl silicon oil, white carbon black, compound fatty acid salt, a texturing agent, propylene glycol stearic acid ester, a dispersant and a stabilizer, wherein the texturing agent comprises more than two types of chemical substance in molasses, polyaluminium chloride, polyaluminium sulfate, aluminum sulfate, calcium chloride and modified bentonite. The defoaming agent is good in stability and low in cost, greatly reduces the sewage treatment cost, does not cause secondary pollution, has high effect on reducing surface tension, has good and rapid defoaming and antifoaming effect, does not poison microorganisms in sewage, does not change COD and BOD performances of the sewage, and is beneficial to the subsequent water treatment technology, simple in production process and convenient to use.
Owner:张能力

Application of Bacillus amyloliquefaciens B-1619 in control of root-knot nematode disease

The invention discloses an application of Bacillus amyloliquefaciens B-1619 in control of root-knot nematode disease. A Bacillus amyloliquefaciens B-1619 water dispersible granule with the bacterium content of at least 1.2*10<8>cfu / mL is used to control root-knot nematode disease of protected vegetables, and the water dispersible granule comprises 6% of a binder, 4% of a dispersant, 10% of a disintegrating agent, 2% of a wetting agent, 20% of a Bacillus amyloliquefaciens B-1619 biocontrol bacterium liquid, and the balance of a filler. The Bacillus amyloliquefaciens is colonized to the body surface or the internal of plant rhizosphere, and competes with root-knot nematodes on nutrition surrounding the plants to deteriorate the survival environment of the root-knot nematodes, so the Bacillus amyloliquefaciens B-1619 has the advantages of good control effect, non-toxicity, no pathogenicity, safety to human and animals, no pollution to environment, and effective and lasting control of the generation and popularization of the root-knot nematodes of the protected vegetables.
Owner:JIANGSU ACADEMY OF AGRICULTURAL SCIENCES

Halogen-free flame retardant TPU (Thermoplastic Urethane) glue coating material and preparation method thereof

ActiveCN108003605AAvoid high temperature melting and crackingImprove high temperature resistanceChemical synthesisAntioxidant
The invention belongs to the technical field of chemical synthesis, and particularly relates to a halogen-free flame retardant TPU (Thermoplastic Urethane) glue coating material and a preparation method thereof. The halogen-free flame retardant TPU glue coating material is prepared from the following raw materials including polyhydric alcohol, diisocyanate, chain expanding agents, antioxidants, light stabilizers, catalysts, halogen-free main flame retardants, cooperated flame retardants and plasticizing agents. The halogen-free main flame retardants are one or several kinds of materials from organic hypophosphorous acid metal salts, rare earth hypophosphorous acid salt or melamine derivative series flame retardants; the cooperated flame retardants are one or several kinds of materials fromaluminum hydroxide, magnesium hydrate, aluminum oxide or magnesium oxide. The invention also provides the preparation method of the halogen-free flame retardant TPU glue coating material. According to the method, the polyhydric alcohol, the diisocyanate and the chain expanding agents are mixed; auxiliary agents dispersed by the plasticizing agents are continuously added through a lateral feedingopening; then, extrusion processing and granulation is performed through screw extrusion; a finished product is obtained. The halogen-free flame retardant TPU glue coating material has the advantagesthat the flame retardant performance, the mechanical property and the processing performance are excellent; the self extinguishing effect can be realized; halogen hydride gas with toxic and harmful effect on the environment is not generated during the combustion in the air; the efficiency is high; the environment is protected.
Owner:SHANDONG INOV POLYURETHANE

Transition metal ion doped manganous-manganic oxide nanosheet array based on carbon cloth growth as well as preparation method and application thereof

The invention relates to a transition metal ion doped manganous-manganic oxide nanosheet array based on carbon cloth growth as well as a preparation method and an application thereof. According to theinvention, a high-potential window of the manganese-based material is used as an advantage, and the manganese-based material is modified by doping transition metal ions on the basis, so that the electrochemical performance of the zinc ion battery is integrally improved. The method comprises the following basic steps: firstly, pre-treating the empty carbon cloth; then growing a transition metal ion doped manganous-manganic oxide nanosheet array on the hollow carbon cloth by adopting an electro-deposition method; and finally cleaning and drying. A one-step method is adopted, convenience and simplicity are achieved, raw materials are convenient to obtain, cost is low, toxicity is avoided, and the problems that in a traditional process, materials contain too many impurities, and operation istedious are solved. For the cathode material of the zinc ion battery, the structure is optimized by doping the manganese-based oxide into the transition metal ions, so that the electrochemical performance of the battery is improved. Therefore, a very good thought is provided for material selection or improvement of the cathode material of the zinc ion battery in the future.
Owner:HUBEI UNIV

Chinese herbal medicine pig feed additive capable of resisting diseases and helping to digest

The invention discloses a Chinese herbal medicine pig feed additive capable of resisting diseases and helping to digest, belonging to the technical field of feed additives. The Chinese herbal medicine pig feed additive capable of resisting the diseases and helping to digest is prepared from the following raw materials: ginsengs, crataegus pinnatifida bunge, schisandra chinensis, malts, sophora flavescens, stemona japonica, pomegranate barks, pine needles, cyperus rotundus, fennels, glycyrrhiza uralensis fisch, ligusticum wallichii, radix dipsaci, muskmelon bases, rhizoma corydalis, rhizoma cimicifugae, houttuynia cordata and ophiopogon japonicus. According to the Chinese herbal medicine feed additive, the problems that an existing Chinese herbal medicine feed additive has a single treatment function and has no synergistic disease-resisting capability, the digestion capability of pigs is poor, the anti-stress capability of pigs is poor, the utilization rate of a feed is low and the like are solved; and the growth speed of the pigs is improved, the immunity is enhanced, the disease-resisting capability is improved and the meat quality also can be improved.
Owner:GUANGXI UNIV

Method for enhancing extraction of heavy metal in farmland by sugarcane through root system secretion

The invention belongs to the technical field of biology, and discloses a method for enhancing extraction of heavy metal in a farmland by sugarcane through root system secretion. The method includes the following steps of firstly, planting a proper species of sugarcane in the farmland with the heavy metal (cadmium) exceeding the standard; secondly, dissolving oxyl hydroximic acid in water to form asolution with the concentration of 0.01-0.1 mM, and applying the solution in the elongation period of the sugarcane according to the spraying amount of 10-15 t / mu; thirdly, conducting spraying for 7-15 days, measuring soil, and complementarily spraying a sodium oxyl hydroximic acid salt water solution 1-2 times if the activity of cadmium in the soil is low; fourthly, harvesting the sugarcane andremoving the sugarcane plant out of the farmland. By adding the oxyl hydroximic acid, the oxyl hydroximic acid has a quite high chelating effect on the heavy metal under the alkaline environment, andthe migration of the heavy metal in the soil and a plant body is promoted; the oxyl hydroximic acid is the secretion generated by microorganisms, and ferrite with the quite high complexing capacity onthe heavy metal causes no toxic harm to the environment, is quite easy to degrade and has quite high practicability in farmland environment, agricultural production and the like.
Owner:HUNAN AGRICULTURAL UNIV +1

Use method of food attractant for scarab species

The invention discloses preparation and use methods of a food attractant for scarab species. The preparation method of the food attractant includes the steps: firstly, collecting fresh elm leaves, grinding the collected fresh elm leaves in a grinder, and extracting with an extraction reagent at the room temperature prior to filtration, wherein a (v / w) ratio of the added extraction reagent to the ground raw material is 3:1; secondly, concentrating extract liquid prepared in the first step by a rotary evaporator; and thirdly, adding 4ml of extract concentrate obtained in the second step on absorbent cotton 2cm in diameter to prepare lures. The use method includes the steps: firstly, hanging the lures in collecting bags below scarab traps; secondly, placing the scarab traps in fields from 19:30 every night to the early morning of the next day; thirdly, during hanging, enabling the collecting bags below the scarab traps to be 2m-4m above the ground; and fourthly, for using time, starting from scarab wintering for imaginal emergence. Major components of the food attractant are from plants, and the food attractant is not in contact with crops when used, non-toxic, free of pollution and effective to main scarab species.
Owner:SHANDONG PEANUT RES INST

Method for generating hydroxide radicals by employing ultrasonic atomization-assisted ionization discharge

The invention discloses a method for generating hydroxide radicals by employing ultrasonic atomization-assisted ionization discharge. The method comprises the following steps: submerging a high-frequency piezoelectric ceramic plate with an aqueous hydrogen peroxide solution, so as to prepare an ultrasonic transducer; converting electric energy into mechanical resonance by virtue of the transducer; exerting a resonant electrical signal, so that the transducer generates ultrasonic vibration in the range of 1-2MHz; atomizing a hydrogen peroxide solution into aerosol of which the diameter is 0.1-1mum by virtue of an ultrasonic wave; feeding the aerosol into an ionization discharge plasma reactor; generating hydroxyl radicals under action of high frequency and high voltage, wherein the concentration of hydrogen peroxide is 1%-20%; discharge in the plasma reactor is narrow-gap strong ionization gas discharge; the discharge reduced electric field intensity is 400Td-600Td; a fan is arranged at the outlet of the plasma reactor; and a gas flow with the hydroxide radicals, which is obtained after the fan is started, is conveyed to the surface of a to-be-sterilized object.
Owner:华文蔚

Preparation method of protein blot membrane regeneration liquor

The invention relates to a preparation method of protein blot membrane regeneration liquor, belonging to the technical field of biological detection. The preparation method comprises the following steps of: respectively weighing glycine and sodium dodecyl sulfate and preparing into an aqueous solution by ensuring that the molar concentration of the glycine is 20 millimole / liter, and the mass percent concentration of the sodium dodecyl sulfate is 1 percent; and regulating the pH of the aqueous solution by using hydrochloric acid. The protein blot membrane regeneration liquor prepared by using the method has strong efficacy and can efficiently and specifically dissociate the combination of antigens and antibodies but has moderate action on protein combined onto the membrane. The regeneration liquor does not contain beta-mercaptoethanol, has no poison and smell, no toxic hazard to experiment operators, simple use method, quick operation and convenient storage and can be stored at room temperature.
Owner:TIANGEN BIOTECH BEIJING

Long effective successional method for catching mouse

A durable and continuous mouse capturing method includes such steps as attracting mouse in a capture cage, making the mouse to climb along a locked pedal forward until it passes through the axle of said pedal, turning the pedal by an angle to make it in contact with an entrance lock, turning a gate by an angle to close the entrance while restoring the pedal and the mouse getting into a mouse cabin.
Owner:徐会林
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