72results about How to "No toxic residue" patented technology

The invention relates to vegetative antiseptic, and the raw material contains the following weight-proportioned material medicine: sophora flavescens is 14-15 parts, phellodendron is 0.8-1.2 parts, astragalus is 1.2-1.6 parts, andrographis paniculata is 0.8-1.2 parts, stem of capillary sagebrush is 0.8-1.2 parts, and isatis root is 0.8-1.2 parts. The vegetative antiseptic of the invention is effective, low-toxic, and environment-friendly. The invention also relates to the preparation method and the application of the vegetative antiseptic.

The invention relates to rhodococcus ruber for generating natural haematochrome and a preparation method and application thereof, wherein the haematochrome is generated through microbial fermentation; the strain category belongs to rhodococcus ruber; the preservation numbr is CGMCC No.12604. The invention also relates to a preparation method of the fermentation natural haematochrome. The fermentation strain of rhodococcus ruber CGMCC No.12604 is used for inoculating the cultured seeds into a fermentation culture medium according to the inoculation quantity according to the inoculation quantity of 1 percent to 10 percent (v / v), wherein the culture temperature is 30 to 40 DEG C; the fermentation ventilation quantity is 5 to 13m<3> / h; the tank pressure is 0.02 to 0.09 MPa; the stirring speed is 120 to 150 r / min; the fermentation time is 120 to 144h; in the fermentation process, sterile air is firstly introduced; the pH of the fermentation liquid is maintained at 6.5 to 7.5 by ammonium hydroxide or alkali liquor; according to the fermentation result, the yield of the haematochrome is 1 to 2g / L. The invention also discloses an extraction method of the rhodococcus ruber haematochrome.

The invention relates to a cracking-prevention treatment method of osier. The cracking-prevention treatment method of the osier comprises the following steps: (1) peeling osier wickers; (2) preparing a treatment agent; (3) soaking the osier wickers processed by the step (1) by using the treatment agent prepared by the step (2) for 2-3 days; and (4) drying the osier wickers processed by the step (3) at 35-40 DEG C until the content of water is not greater than 8%. The cracking-prevention treatment method of the osier is simple; the cracking or deformation of the osier can be effectively avoided, so that the service lives of osier products are prolonged; the craft values and the economic values of the osier products are increased; no toxic substance is used in the treatment method; no toxic residue is generated; the processed osier wickers are relatively suitable for willow weaving and processing.

The invention discloses an ecological pesticide and a preparation method thereof. The ecological pesticide is prepared from lantana camara, conical redpepper fruit, onion, pummelo peel and mandarin orange peel, chopping and fully and evenly stirring and bubbling with ethanol or limewater. The ecological pesticide is easy to degrade, has no residual toxity and no threat to the human health, does not harm natural enemy and pollute the environment, has multiple efficacies of desinsection, sterilization, disease prevention and disease resistance, is an ecological pesticide and room pesticide with multiple functions and has simple production process; in addition, raw materials are selected from common waste substances of vegetables and fruits and can be changed into valuables from wastes, so the production cost is low.

The invention discloses a multi-element microbial fertilizer for gardenia and a preparation method thereof. The multi-element microbial fertilizer for the gardenia comprises the components in parts by weight as follows: 1-3 parts of lactobacillus acidophilus, 2-4 parts of bacillus licheniformis, 3-5 parts of bacillus subtilis, 2-4 parts of fulvic acid potassium, 45-55 parts of aconitum brachypodum diels, 40-50 parts of semen momordicae, 1-15 parts of stellera chamaejasme, 5-10 parts of lupulus and the like. According to the multi-element microbial fertilizer, the utilization rate of the fertilizer is improved, the growth of the gardenia is remarkably promoted, the flowering phase is prolonged, and the multi-element microbial fertilizer can kill insects, perform sterilization and eliminate grass, is pollution-free and low in residue, and has better economic and social benefits.

The invention discloses a preparation method of eggshell calcium oxide powder and a product which is prepared by the method, the method of the invention includes the following steps that: the inside and outside surfaces of the eggshell are dried after cleaning the eggshell; the eggshell after the drying is calcined to get the eggshell ash powder, and the eggshell ash powder is smashed into the fine powder after the cooling, so as to get the product. The invention has the release effect, the method of the invention utilizes the wasted eggshell as the renewable resource, which can not only reduce the environmental damage from pollutants, have the excellent inhibition effect on E.coli of the prepared eggshell calcium oxide powder and have good effects of sterilization, corrosion protection, fresh keeping and so on, but also highly efficiently remove the residual pesticides and sulfur dioxide on vegetables, fruits or grains.

The invention relates to a method for preparing high-purity heme on a large scale and an application of the heme. The invention provides the method for preparing the high-purity heme on a large scale for the first time. The method comprises the steps of solid-liquid separation, adsorption, centrifugation, repeated enzymolysis and the like, and has the advantages that the purity of heme is improved. Particularly, under the condition of a certain pH value (the pH value equals 1 to 4), adsorption reaction between the separated heme and CMC-NA (sodium carboxymethyl cellulose) or carboxymethyl starch is performed efficiently; through repeated special enzymolysis and washing, the prepared heme has high iron content, good palatability, and high adsorption and utilization rate, is environment-friendly and pollution-free during production, has no toxicity or adverse effects, and is very suitable for feeds and food for supplementing iron.

The invention discloses an air cleaner. The air cleaner is characterized by comprising a plasma module and a water filter module. The plasma module comprises a discharge electrode which generates plasma through high voltage discharge. The water filter module comprises a humidifying plate and a water tank, wherein part of the humidifying plate is immersed in water and rotates, then air is taken into the water, and the functions of humidifying and filtering are achieved. By means of the air cleaner, the plasma generated through electric discharge is combined with the water filtering so that the humidified air can carry rich negative oxygen ions; the plasma can achieve the effects of sterilization and disinfection, effectively remove volatile organic compounds and allow dust particulate matter to be charged and accumulated, so that the water filtering efficiency is greatly improved, and the water changing period is prolonged.

The invention provides a mould-proof antioxidant capable of increasing pig feed quality. A natural product, namely, soluble chitin, extracted from shrimp and crab shells is taken as a main component of a mould-proof agent and is combined with a composite antioxidant to exert functions, and the mould-proof antioxidant has the characteristics of long mould-proof period, good anti-oxidation effect, no toxic residue, safety and reliability, and can be used for replenishing nutritional ingredients required by the growth of live pigs and increasing the pig feed quality. After eating the feed in which the mould-proof antioxidant is added, the live pigs are increased in feed intake and obviously accelerated in body weight increase, and the slaughtering time is shortened.

The invention discloses a preparation method and application of a stachydrine ionic liquid, and belongs to the technical field of materials. The preparation method comprises the steps: dissolving stachydrine hydrochloride and organic acid in solvents separately, treating the obtained stachydrine hydrochloride solution through ion exchange resin, mixing the treated liquid with the obtained organicacid solution directly, performing a neutralization reaction, and finally performing treatment through a solvent removal process so as to obtain the stachydrine organic acid ionic liquid. The synthesis method has a simple process, environmental protection and easy promotion, the synthesized ionic liquid has high purity and degradability, the problems of toxic residual and emission pollution of traditional solvents are solved, and the method has application prospects in extraction, medicine, food, cosmetics and other fields.

The invention relates to an antiallergic compound flavone composition. The composition is prepared from 1-50 parts by weight of liquorice root, 1-90 parts by weight of camomile and 5-80 parts by weight of divaricate saposhnikovia root. A preparing method and applications of the composition are also disclosed. Three active flavones of different structure types of the liquorice root, the camomile and the divaricate saposhnikovia root are reasonably compounded, and are synergistic. The composition has multi-level antiallergic effects.

The invention discloses an efficient environment-friendly water flush fertilizer which is characterized in that the water flush fertilizer comprises components in percentage by weight as follows: 3%-5% of plant protein powder, 3%-5% of compound bacteria, 3%-5% of compound enzyme, 10%-20% of alkaline process and ammonium sulfite process mixed concentrated black liquor, 15%-25% of soluble phosphate fertilizer, 10%-20% of soluble potash fertilizer, 20%-30% of urea, 10%-20% of sodium humate, 8%-10% of an amino acid solution, 6%-9% of a compound nutrition conditioning agent, 3%-5% of borax, 5%-10% of microelement fertilizer, 5%-10% of medical stone powder and 0.2%-0.3% of a synergist. The synergist increases the absorption capability of water and fertilizer, crop growth is promoted, and the drought resisting capability of crops is improved; after compound sodium nitrophenolate and plant are contacted, the nutrition element absorption capability and the disease-resistant effect of plants can be improved; two types of straw pulp black liquor are comprehensively treated, acid is not added, and the cost is reduced; the efficient environment-friendly water flush fertilizer has comprehensive nutrition elements, has high fertilizer efficiency and facilitates yield increase of the crops, and nutrients are easy to assimilate.

The invention relates to an anti-allergic compound polysaccharide composition which is prepared from following components, by weight: 10-90 parts of astragalus membranaceus, 10-90 parts of cortex albiziae and 1-50 parts of radix glycyrrhizae. A preparation method of the anti-allergic compound polysaccharide composition includes the following steps: (1) crushing the raw materials into powder; (2) material feeding: adding water or a water-alcohol mixture by 5-50 times by weight of the powder into the powder; (3) extraction: performing extraction under -0.1-70 MPa at 0-25 DEG C, and performing centrifugal separation and collecting a centrifugate; (4) separation and concentration: removing impurities from the centrifugate through a micro-filtering membrane, and performing classification purification to the polysaccharide through an ultra-filtering membrane being 100-20000 Da in flux. The compound polysaccharide composition has the following beneficial effects: (1) the composition has definite anti-allergic functional components and is easy to control in quality; (2) the composition has a synergistic effect on a sensitizing target point with multiple links, is free of toxic and side effects and is high in safety; (3) the composition is free of contact with organic solvents, is free of residue of toxicity; and the preparation method is simple in process and is easy to carry out, and is suitable for being popularized industrially.

The invention discloses a bio-pesticide for preventing and treating rice diseases and a preparation method of the bio-pesticide. Currently, food safety is globally concerned and safety of a source is the key to food safety, so that preparation of a pesticide which can safely, effectively and conveniently prevent and treat spike neck blast is an important subject in the technical field of the pesticide. The bio-pesticide disclosed by the invention is prepared from Chinese herbal medicines including herb of manchurian wildginger and common cnidium fruit; a field trial shows that the bio-pesticide has the characteristics of good disease prevention effect, safety and environmental friendliness, small possibility of generating pesticide resistance and the like, and an application prospect is wide.

The invention relates to a plant bactericide. The plant bactericide comprises the following medicinal materials: erigeron annuus, zornia diphylla pers, elsholtzia ciliata hyland, heterohairy monkshood root and the like, wherein the plant bactericide is prepared into an emulsion by alcohol extraction, can prevent and treat blackberry downy mildew. The plant bactericide is prepared from traditional Chinese medicines, and is free of adverse effect such as pollution to the environment.

The invention discloses expanded compound feed capable of improving the intestinal health of bighead carps and a preparation method of the expanded compound feed, aims at providing an expanded compound feed which can improve the intestinal health of the bighead carps and the intestinal non-specific immunity of the bighead carps, maintain stability of intestinal flora and promote healthy growth of the bighead carps, and belongs to the field of aquaculture feed. According to the technical scheme, the expanded compound feed capable of improving the intestinal health of the bighead carps is prepared through the steps that a Chinese herbal medicine compound and basic ingredients are mixed, extruded, expanded and granulated, wherein the weight ratio of the basic ingredients to the Chinese herbal medicine compound is (998.0-999.7):(0.3-2), and the Chinese herbal medicine compound is prepared from, by weight, 0.1-0.5 part of fresh ginger, 0.5-1.5 parts of garlic, 0.1-0.5 part of rhizoma smilacis glabrae, 0.3-1.5 parts of folium perillae, 0.1-0.5 part of goldthread roots and 0.2-1.2 parts of plantain herb.

The invention discloses transparent kinesiology tape and a production technology thereof. The transparent kinesiology tape comprises transparent elastic base material, a medical acrylic acid glue layer and release paper, wherein the medical acrylic acid glue layer is combined to one surface of the transparent elastic base material, and the release paper covers the medical acrylic acid glue layer. The elasticity value of the transparent elastic base material is greater than 160%, and the thickness is greater than or equal to 8dmm. According to the transparent kinesiology tape, the transparent elastic base material with the elasticity value in an elasticity value range meeting the requirement of the transparent kinesiology tape is adopted, the release paper on the reverse surface of the transparent kinesiology tape can be removed, glue is also transparent, and therefore the full-transparent elastic base material adheres to the back of the human body finally, and the unapparent or invisible effect is achieved perfectly.

The invention discloses a preparation method of eggshell calcium oxide powder and a product which is prepared by the method, the method of the invention includes the following steps that: the inside and outside surfaces of the eggshell are dried after cleaning the eggshell; the eggshell after the drying is calcined to get the eggshell ash powder, and the eggshell ash powder is smashed into the fine powder after the cooling, so as to get the product. The invention has the release effect, the method of the invention utilizes the wasted eggshell as the renewable resource, which can not only reduce the environmental damage from pollutants, have the excellent inhibition effect on E.coli of the prepared eggshell calcium oxide powder and have good effects of sterilization, corrosion protection, fresh keeping and so on, but also highly efficiently remove the residual pesticides and sulfur dioxide on vegetables, fruits or grains.

A preparation method for a natural slow-release type organic coarse cereals fresh-keeping agent comprises: taking natural plant essence, embedding and absorbing plant essence with beta-cyclodextrin and porous starch according to a certain ratio, oscillating and pressing the mixture of beta-cyclodextrin and porous starch for a certain time by high-frequency oscillation extrusion, adding a porous starch adsorbate according to a weight ratio, then performing oscillation extrusion for a certain time, granulating and compacting into slow-release tablets, sealing and packaging, and storing at a shady, cool and dry place. The method is safe and has no residues, and the prepared fresh-keeping agent is an ideal storage insect-prevented mildew-resistant fresh-keeping agent for organic coarse cereals.

The invention provides a bactericide composition comprising a phage, which comprises the phage and a carrier of Acinetobacter baumannii. The invention also provides a method for decontamination of medical institutions or medical-related research institutions, which is characterized in that Acinetobacter baumannii with an effective amount is applied to the medical institutions or medical-related research institutions to reduce the amount of Acinetobacter baumannii existed in the medical institutions or medical-related research institutions.

The invention relates to a nuisance free dried mushroom log water retention agent used for water retention of mushroom logs in planting dried mushrooms, and a preparation method thereof. Stearic acid, glycerin monostearate and glycerol abstracted from vegetable oil are mixed according to 0.85:0.1:0.05; the mixed raw materials are added to an reaction vessel; after the mixture is heated and stirred as well as reacts for 1 hour, the mixture is filtered and cooled; the mixture is porphyrized and packaged after the mixture is frozen. The nuisance free dried mushroom log water retention agent has the advantages of excellent moisture retention property, ensuring the safety of foodstuff and the health of bodies, and no remaining toxicity.

The invention discloses a 3D printing collagen biological sponge scaffold and a preparation method thereof. The method comprises the steps that firstly, an acid solution containing chitosan and an acid solution containing collagen are mixed to be uniform to prepare 3D printing bio-ink, then the bio-ink is added into a printing gun head, and printing forming is conducted in a low-temperature environment according to design parameters and a model; and freeze-drying treatment is conducted on the freeze-formed product, the freeze-dried product is soaked in a solution containing procyanidine for cross-linking immobilization, and finally freeze-drying is performed after washing to obtain the recombinant human collagen biological sponge scaffold. By means of a low-temperature deposition 3D printing technology, all-environment temperature control can be achieved, and the forming stability is improved. The biological sponge scaffold has proper pores, forming controllability, good physical and chemical properties and biocompatibility, does not contain other impurities, and is low in manufacturing cost.

The invention relates to poly(2-cyanoacrylic acid) as well as a preparation method and application thereof, and belongs to the fields of medicine and chemical industry. The method comprises the following steps: firstly, preparing an alpha-cyanoacrylate polymer, and selectively hydrolyzing ester bonds of the polymer under alkaline conditions to obtain the poly(2-cyanoacrylic acid). The poly(2-cyanoacrylic acid) is dispersed into water to form negatively charged microspheres, so that novel blank embolism microspheres are obtained, the particle sizes of the blank embolism microspheres can be adjusted in a micrometer range, and the blank embolism microspheres have a deformation function to pass through blood vessels with specific morphology, and can tightly embolize the blood vessels to avoidectopic embolism due to shedding; and the blank embolism microspheres and a positively-charged drug are combined to obtain novel drug-loaded embolism microspheres, the novel drug-loaded embolism microspheres use a polymer carboxyl group to actively load the positively-charged drug by adopting the principle of charge reversal, and can directly release the drug in localized pathological tissue, thedrug rarely flows through a whole body, so that the local effect of the drug on the pathological tissue is improved, and the toxic and side effects of the drug on the whole body are reduced.

The invention discloses an alcohol-based fuel combustion improver, which comprises the following components in parts by weight: 80-90 parts of a cosolvent, 20-30 parts of solvent oil, 1.5-5 parts of asmoke abatement combustion improver and 3.5-10 parts of a cosolvent; wherein the cosolvent is at least one of butanol, octanol, hydrogenated anthracene oil and light oil, and the solvent oil is at least one of pine nut oil, turpentine oil, turpentine and glycerol. The combustion improver can form an ideal mixed solution with methanol, so that the flash point and heat value of the whole fuel are improved, and the final combustion efficiency of the alcohol-based fuel is promoted to be remarkably improved. The alcohol-based fuel combustion improver is wide in raw material source, clean, environmentally friendly and capable of achieving industrial mass production. The invention further discloses an alcohol-based fuel prepared by mixing 20-40 parts of the alcohol-based fuel combustion improverand 60-80 parts of methanol, wherein the content of methanol is reduced, and all components in the alcohol-based fuel form an ideal mixed solution; in addition, the added combustion improver component enables the overall heat value and flash point to be improved, the fuel combustion efficiency is high, and safety pollution is little.

The invention discloses a skin repair film and a preparation method thereof. The skin repair film is prepared from carboxymethyl cellulose and bioactive glass. A preparation method specifically comprises the following steps: (1) adding carboxymethyl cellulose into water, and carrying out stirring until carboxymethyl cellulose is fully dissolved; (2) slowly adding bioactive glass under the condition of mechanical stirring after dissolving of carboxymethyl cellulose; and (3) conducting drying and forming, and carrying out injection molding and freeze drying to obtain the skin repair film. The skin repair film combines the advantages of carboxymethyl cellulose and bioactive glass, is convenient to use clinically, has a spongy porous structure and can absorb ulcer exudate; all the raw materials of the skin repair film are nonirritant to the human body and good in biocompatibility; toxic residues caused by chemical cross-linking agents are avoided; and the skin repair film can be applied tosurface skin repair and digestive tract repair, such as inner wall repair of the stomach, the duodenum and other digestive tracts.

The invention discloses an alcohol-based fuel combustion accelerant, which comprises the following components in parts by weight: 80-90 parts of co-solvent, 20-30 parts of solvent oil, 1.5-5 parts of smoke-eliminating combustion accelerant and 3.5-10 parts of co-solvent; The co-solvent is at least one of butanol, octanol, hydrogenated anthracene oil and light oil; the solvent oil is at least one of pine nut oil, turpentine oil, turpentine and glycerin. The combustion aid can form an ideal mixed liquid with methanol, improve the flash point and calorific value of the overall fuel, and promote the remarkable improvement of the final combustion efficiency of the alcohol-based fuel. The alcohol-based fuel combustion accelerant has a wide range of raw materials, is clean and environmentally friendly, and can be industrially mass-produced. The invention also discloses an alcohol-based fuel prepared by mixing 20-40 parts of the above-mentioned alcohol-based fuel combustion accelerant and 60-80 parts of methanol. By reducing the content of methanol, each component in the alcohol-based fuel forms an ideal mixed liquid, The added combustion aid components increase the overall calorific value and flash point, high fuel combustion efficiency, and less safety pollution.

The present invention relates to a kind of synthetic method of the 3-acylindole compound that no metal participates in, and this method refers to: N ‑tert-butoxycarbonyl‑ N Add ‑acyl‑2‑alkenyl aniline compound and nucleophilic organic small molecule catalyst into the reaction vessel, add organic solvent under nitrogen atmosphere, react at 50~120°C for 24~48 h, and obtain 3 after separation and purification ‑Acylindole compounds. The present invention uses a nucleophilic organic small molecule catalyst as a catalyst without any additives, and has low cost; the economical efficiency of reaction atoms avoids unnecessary waste; the reaction conditions are relatively mild, the operability is strong, and it has potential industrialization prospects .

The invention relates to a piggy feed based on pure plant extraction and a preparation method of the piggy feed. The feed comprises the following components in parts by weight of 280-330 parts of corn, 140-190 parts of wheat, 220-270 parts of puffed soybeans, 80-120 parts of dehulled soybean meal, 125-155 parts of bran, 55-75 parts of whey powder, 60-80 parts of rice bran, 30-60 parts of a mixtureof rice chaff and husk, 100-110 parts of fish meal, 12-18 parts of stone powder, 0.25-0.65 part of calcium hydrogen phosphate, 25-65 parts of table salt, and 0.25-0.75 part of virginiamycin. According to the piggy feed based on pure plant extraction and the preparation method of the piggy feed, suckling piggies are healthy, the survival rate is high, the growth rate and the lean meat percentage of lean meat type pigs can be increased, the pork quality is improved, the piggy feed is free from toxin remaining, and the food safety is guaranteed.

The invention belongs to the technical field of prevention and treatment of plant diseases and pests, and particularly relates to a method for preventing and treating kadsura coccinea leaf rollers. The method specifically comprises the following step: when leaf roller larvas are found, spraying traditional Chinese medicinal liquid twice a day, wherein the spraying amount for each plant is 50 to 80ml. The traditional Chinese medicinal liquid is prepared from the following raw materials in parts by weight: 25 to 55 parts of aloes, 15 to 35 parts of cortex erythrinae, 10 to 20 parts of polygonumaviculare, 6 to 14 parts of fructus viticis and 2 to 8 parts of cortex dictamni. The method disclosed by the invention can effectively prevent the kadsura coccinea leaf rollers, and is pollution-free, safe and efficient, and no toxicity remains.