Compound injection for treating porcine diarrhea and preparation method thereof

The invention discloses a compound injection for treating porcine diarrhea and a preparation method thereof. Every 100ml of compound injection for treating the porcine diarrhea comprises the following components by weight: 5 to 15g of ciprofloxacin lactate, 3 to 10g of berberine, 2 to 5g of ginger, 1 to 5g of levamisole, 0.5 to 2g of mucosal repairing agent, 2 to 6g of organic cosolvent, 0.05 to 0.3g of antioxidant and the balance of injection water. The compound injection for treating the porcine diarrhea of the invention is prepared by combining the traditional Chinese medicine and foreign medicine, wherein the foreign medicine is formed by matching broad spectrum antibiotic and the levamisole serving as an immunoenhancement for quickly sterilizing, improving the resistance of the ill animals to bacteria and virus infection and preventing secondary infection of other virus diseases; and the traditional Chinese medicine is formed by matching berberine extracted from coptis and ginger juice ...

Egg yolk antibody oral solution for gosling plagues and preparing method thereof

The invention discloses an egg yolk antibody oral solution for gosling plagues and a preparing method thereof. The formula is characterized by comprising the following raw materials calculated in ratio by volume: 95-105 parts of a whole egg water solution containing egg yolk antibodies, 0.2-0.3 part of octanoic acid, 0.2-0.3 part of formaldehyde and 0.01-0.02 part of thiomersalate and further comprising mycillin which accounts for 800-1000 units per milliliter of the oral solution. During preparation, hype-immunized full eggs are adopted to obtain the clarified egg yolk antibody oral solution. The egg yolk antibody oral solution prepared by the method not only has few losses in the production process, strong immunological active substances and high biological activity and does not have clinic side effects, but also contains a large quantity of various proteins in egg white and can reduce harmful effect on the antibodies during oral administration.

Novel CAT6 data transmission cable filled with isolation bar in jacket

The invention provides a novel CAT6 data transmission cable filled with isolation bars in a jacket, which comprises a cabling wire. The outside of the cabling wire is provided with a jacket layer; the isolation bars are arranged outside the cabling wire and inside the jacket layer; the isolation bars are wound on the cabling wire in a certain pitch; and the isolation bars are plastic ropes. The data transmission cable not only meets the index requirement of cross talk between wire pairs of the cable during signal transmission, but also meets the requirement of high-frequency transmission in a plurality of bunched arrangement wires at the same time during practical comprehensive wire arrangement, and ensures that signals transmitted between adjacent different cables do not interfere with each other during transmission so as to effectively improve the high-frequency transmission quality of the data and the signals.

Antiviral traditional Chinese medicine for livestock and poultry and preparation method thereof

The invention discloses an antiviral traditional Chinese medicine for livestock and poultry. The antiviral traditional Chinese medicine for livestock and poultry disclosed by the invention is composed of the following medicinal raw materials in parts by weight: 45-55 parts of isatis root, 10-15 parts of honeysuckle, 20-30 parts of felwort, 15-25 parts of common andrographis herb, 40-45 parts of fructus forsythiae, 20-30 parts of pogostemon cablin, 15-20 parts of gypsum, 5-10 parts of toad, 10-15 parts of rhizoma phragmitis, and 5-10 parts of borneol. Compared with the prior art, the antiviral traditional Chinese medicine disclosed by the invention is a traditional Chinese medicine product, is scientific and reasonable in compatibility of medicines, harmless, free of toxicity, pollution, toxic and side effect, drug residue and adverse reaction, rapid, long-lasting and steady in curative effect, durable and steady, can satisfy demands on non-harmful products for livestock and poultry, and ...

User positioning method

The invention relates to a user positioning method, belongs to the technical field of wireless communication, and particularly relates to a method for positioning and predicting a user position by using an artificial neural network. In order to solve the problem that a traditional neural network positioning algorithm based on template matching classification is low in positioning precision, the linear distance, depression angle, elevation angle and affiliated side (transmission side or reflection side) between a user and STAR-RIS are used as labels for fitting by using nonlinear mapping of a neural network. In order to solve the problem that the existing STAR-RIS assisted user positioning method does not predict the movement track of the user, the method provided by the invention predicts the subsequent movement track of the user through the collected channel state matrix of the preorder time slot. Specifically, user space information in a channel matrix is extracted by using a convolutional ...

Mixed freeze-dried powder for preventing duck viral diseases and preparation method thereof

The invention discloses mixed freeze-dried powder for preventing duck viral diseases and a preparation method thereof. The mixed freeze-dried powder is composed of the following components in parts by weight: 90 to 95 parts of duck viral disease preventing yolk antibody, 1 to 2 parts of duck viral disease preventing transfer factor, 1 to 2 parts of alpha-interferon, 0.01 to 0.02 part of antiseptic, 0.2 to 0.3 part of inactivating agent, 0.05 to 0.1 part of selenium, 1 to 2 parts of antioxidant, 1 to 2 parts of polyvinylpyrrolidone, 0.5 to 1 part of glycine, and 0.5 to 1 part of active lactobacillus. The mixed freeze-dried powder for preventing duck viral diseases is prepared by compounding the duck viral disease preventing yolk antibody, duck viral disease preventing transfer factor, and alpha-interferon, moreover, a plurality of auxiliary materials are added, the components cooperate with each other to generate a synergetic effect, and thus the effect on treating and preventing duck viral ...

Traditional Chinese medicine composition for preventing and treating piglet diarrhea and preparation method thereof

The invention discloses a traditional Chinese medicine composition for preventing and treating piglet diarrhea. The composition is prepared from the following components in parts by weight: 6-24 parts of astragalus membranaceus, 6-24 parts of codonopsis pilosula, 6-18 parts of poria cocos, 6-15 parts of rhizoma atractylodis macrocephalae, 6-24 parts of saposhnicovia divaricata, 6-15 parts of semen lablab album, 6-15 parts of agastache rugosa, 9-15 parts of medicated leaven, 6-15 parts of hawthorn, 6-24 parts of coptis chinensis, 6-18 parts of lonicera japonica, 9-36 parts of fructus forsythiae, 6-18 parts of scutellaria baicalensis, 6-24 parts of folium isatidis, 6-15 parts of pericarpium citri reticulatae and 3-10 parts of oligopolyose. The traditional Chinese medicine composition contains multiple bioactive substances, such as polysaccharide, alkaloids, saponins, organic acid and the like, can be used for treating both symptoms and root causes of piglet diarrhea, can be used for improving ...

Method for detecting canine distemper virus by using one-step RT-PCR method

The invention discloses a method for detecting canine distemper virus by using a one-step reverse transcription-polymerase chain reaction (RT-PCR) method. The method comprises the following steps of: preprocessing a sample for the RT-PCR detection; extracting total ribonucleic acid (RNA); obtaining a specific amplification product by one-step RT-PCR reaction; and performing 1 percent agarose gel electrophoresis identification on the amplification product. The method of the invention has the characteristics of high flexibility, high specificity, simple and convenient operation procedure, low contamination rate and reliable detection result; the acquired sequence information is directly used for analyzing genetic derivation relation of an epidemic strain; and the method is suitable for etiological diagnosis and epidemiological research of canine distemper.

Micro powder containing fenbendazole and preparation method thereof

The invention discloses micro powder containing fenbendazole. The micro powder is composed of the following components in percentage by weight: 5-10% of fenbendazole, 2.5-2.75% of PVPK 30, 2.5-2.75% of SDS and the balance being anhydrous glucose. The micro powder containing fenbendazole disclosed by the invention has enhanced adsorptivity and solubility, and is easier to be absorbed by astrointestinal tract; and the micro powder can enhance efficacy and shorten treatment time, and is obvious in treatment effect and high in curing rate.

Method for producing hydrogen by biomass cascade fermentation

The invention discloses a method for producing hydrogen by the step fermentation of biomass, which relates to a method for producing hydrogen and solves the problem that the transformation rate of the current fermentation method for biological hydrogen production is relatively low. The method comprises the steps: firstly, the shake culture of aerobic granular sludge is carried out, thus obtainingaerobic activated sludge; and then heat treatment is carried out; secondly, water of biological hydrogen production by the fermentation method and disodium bromoethane sulfonate are taken as the bottom materials of reaction equipment, and then the aerobic activated sludge after heat treatment is mutated; and thirdly, nitrogen gas is continuously pumped into the reaction equipment, thus obtaining hydrogen after running. The hydrogen transformation rate of a unit base material in the invention is improved to be more than 2.5molH2/mol of hexose.

Fuel cell thermal management system

The invention discloses a fuel cell thermal management system. The fuel cell thermal management system comprises a galvanic pile temperature control loop, a sensor module arranged on the galvanic pile temperature control loop, and a controller connected with the sensor module and the galvanic pile temperature control loop. The galvanic pile temperature control loop comprises a temperature control main loop connected with a fuel cell, an expansion water tank and a first water pump which are connected with the temperature control main loop, a low-temperature heat dissipation loop connected with the first water pump, and a second water pump connected with the low-temperature heat dissipation loop and the temperature control main loop, the expansion water tank is connected with the first water pump, the sensor module is arranged on the temperature control main loop, and the first water pump and the second water pump are connected with the controller.

Compound traditional Chinese medicine composition for treating poultry respiratory tract infection and preparation method thereof

The invention discloses a compound traditional Chinese medicine composition for treating poultry respiratory tract infection and a preparation method thereof, and belongs to the technical field of veterinary traditional Chinese medicine. The compound traditional Chinese medicine composition is mainly composed of the following traditional Chinese herbals in parts by weight: 20 to 100 parts of isatis root, 20 to 120 parts of radix scutellariae, 15 to 100 parts of radix astragali, 15 to 100 parts of polygonum cuspidatum, 5 to 20 parts of licorice, and 2 to 10 parts of dihydroxypropyl theophylline; and preferably is mainly composed of the following traditional Chinese herbals in parts by weight: 25 to 75 parts of isatis root, 30 to 90 parts of radix scutellariae, 20 to 60 parts of radix astragali, 20 to 60 parts of polygonum cuspidatum, 5 to 15 parts of licorice, and 2 to 8 parts of dihydroxypropyl theophylline. In the formula, the isatis root has the functions of clearing heat, removing toxicity ...

Heat-resisting and freeze-drying protector for live vaccine and preparation method thereof as well as live newcastle disease vaccine

The invention discloses a heat-resisting and freeze-drying protector for a live vaccine and a preparation method thereof as well as a live newcastle disease vaccine adopting the freeze-drying protector. The heat-resisting and freeze-drying protector for the live vaccine comprises the following compositions in percentage by weight: 10-15 percent of trehalose, 1-2 percent of polyvinylpyrrolidone (PVP), 1-2 percent of alum, 1-2 percent of glutamine, 2-10 percent of sorbitol, 0.1-0.5 percent of potassium dihydrogen phosphate, 0.5-1 percent of vitamin C and the balance of water. Compared with the traditional vaccine, the heat-resisting and freeze-drying protector for the live vaccine has the advantages of good stability, long preservation time, low preservation condition, little activity damage on the live vaccine, good dissolubility, simple raw material and the like.

Traditional Chinese medicine composition for preventing and treating infectious rhinitis of chicken and preparation method thereof

The invention discloses a traditional Chinese medicine composition for preventing and treating infectious rhinitis of chicken. The composition is prepared from the following raw materials in parts by weight: 9-18 parts of radix lsatidis, 12-21 parts of chrysanthemum indicum, 9-24 parts of saposhnicovia divaricata, 12-18 parts of scutellaria baicalensis, 6-18 parts of peppermint, 6-12 parts of ephedra, 6-15 parts of fructus xanthii, 6-15 parts of flos magnoliae, 6-15 parts of radix angelicae, 6-15 parts of ligusticum wallichii, 6-9 parts of angelica sinensis, 6-9 parts of safflower carthamus, 6-15 parts of notopterygium root, 12-24 parts of herba houttuyniae, 9-21 parts of agastache rugosa and 6-12 parts of licorice root. The traditional Chinese medicine composition has the effects of dispelling wind and heat, reducing phlegm, inducing diuresis, relieving stuffy nose and inducing resuscitation, and has the advantages of quick pharmacological action, good effect and no medicinal residue when ...

Traditional Chinese medicine composition for promoting pig growth and improving pork quality

The invention discloses a traditional Chinese medicine composition for promoting pig growth and improving pork quality. The composition is prepared from the following components in parts by weight: 15-60 parts of rhizoma dryopteris crassirhizomae, 15-60 parts of polygonum multiflorum, 30-60 parts of malt, 9-30 parts of semen arecae, 60-180 parts of fried soybeans, 15-24 parts of pericarpium citri reticulatae, 9-24 parts of rhizoma atractylodis macrocephalae, 9-24 parts of astragalus membranaceus, 9-24 parts of poria cocos, 9-24 parts of codonopsis pilosula, 6-18 parts of hawthorn, 6-12 parts of rhizoma alismatis, 6-18 parts of glossy privet fruit, 6-9 parts of fructus amomi, 6-9 parts of semen myristicae, 6-9 parts of fennel, 6-9 parts of clove and 9-15 parts of cinnamon. The traditional Chinese medicine composition is obtained by compounding multiple traditional Chinese medicinal components, and has the functions of tonifying middle-jiao and qi, strengthening spleen, inducing diuresis, ...

Arprinocide solution for coccidium resistance

The invention discloses an arprinocide solution for coccidium resistance. The arprinocide solution for coccidium resistance comprises, by weight, 4-15 parts of arprinocide, 5-15 parts of a surfactant, 55-90 parts of a solvent and 1-15 parts of deionized water. The surfactant, the solvent and arprinocide are compounded to form the arprinocide solution for coccidium resistance, and the arprinocide solution for coccidium resistance can be mixed with water according to any ratio and the mixture does not precipitate. The arprinocide solution for coccidium resistance has stable performances, high bioavailability and good effects of preventing and treating avian coccidiosis, reduces a drug use cost, avoids drug effective component waste, can be stored and transported easily, is convenient for use, and is suitable for popularization application. The preparation method has simple processes, is convenient for operation and is suitable for large-scale industrial production.

Compound traditional Chinese medicine composition for preventing and treating chicken bacteriosis and preparation method thereof

The invention discloses a compound traditional Chinese medicine composition for preventing and treating chicken bacteriosis and a preparation method thereof, and belongs to the technical field of veterinary traditional Chinese medicines. The compound traditional Chinese medicine composition comprises, by weight, 50-200 parts of dandelion, 50-200 parts of bunge corydalis herb, 50-100 parts of rheum officinale, 50-200 parts of radix scutellariae, 50-200 parts of isatis root, 50-100 parts of licorice root and 2-5 parts of fructo-oligosaccharide. Through combination of the above six pure natural traditional Chinese medicines and fructo-oligosaccharide, the compound traditional Chinese medicine composition has effects of clearing heat and removing toxins, and diminishing inflammation and treating dysentery, and has good functions of preventing and treating chicken diseases caused by in-vivo pathogenic escherichia coli and salmonella. Through use of the fructo-oligosaccharide, the compound traditional ...

Method for producing hydrogen by biomass cascade fermentation

The invention discloses a method for producing hydrogen by the step fermentation of biomass, which relates to a method for producing hydrogen and solves the problem that the transformation rate of the current fermentation method for biological hydrogen production is relatively low. The method comprises the steps: firstly, the shake culture of aerobic granular sludge is carried out, thus obtaining aerobic activated sludge; and then heat treatment is carried out; secondly, water of biological hydrogen production by the fermentation method and disodium bromoethane sulfonate are taken as the bottom materials of reaction equipment, and then the aerobic activated sludge after heat treatment is mutated; and thirdly, nitrogen gas is continuously pumped into the reaction equipment, thus obtaining hydrogen after running. The hydrogen transformation rate of a unit base material in the invention is improved to be more than 2.5molH 2/mol of hexose.

Macleaya cordata injection and preparation thereof

The invention provides a pink plumepoppy herb injection and a preparation method thereof; the pink plumepoppy herb injection is prepared by the raw materials with the following parts by weight: 30-40 parts of pink plumepoppy herb extract, 0-30 parts of latent solvent, 0.5-5 parts of anodyne and 25-70 parts of dispersion medium; the pink plumepoppy herb extract is prepared by the following procedure: pink plumepoppy herb is percolated with sulphuric acid, the percolate is subject to alcohol precipitation and is filtered and then ethanol is recycled; the pink plumepoppy herb injection of the invention can effectively restrain the growth of Gram-positive bacteria and has stronger bacteriostatic action than berberine, and diplococcus pneumoniae, staphylococcus aureus and bacillus subtilis are sensitive to the pink plumepoppy herb injection; meanwhile, the pink plumepoppy herb injection also has the function of resisting nematodes and leptospira and can inhibit and slow the body temperature ...

Separation method of butyric acid oxidized hydrogen-producing acetogenic dominant microorganisms

The invention discloses a separation method of butyric acid oxidized hydrogen-producing acetogenic dominant microorganisms, relating to a separation method of hydrogen-producing acetogenic bacteria and solving the problems that the traditional separation method is difficult to separate and the hydrogen-producing rate of the cultured hydrogen-producing acetogenic bacteria is low. The separation method comprises the following steps of: firstly, preliminarily domesticating anaerobic activated sludge; secondly, preparing a bacterial suspension A; thirdly, enriching a back bacterial suspension; fourthly, enriching and culturing the enriched back bacterial suspension again; fifthly, preparing compound microorganisms of butyric acid oxidized hydrogen-producing acetogenic bacteria and methanogen; sixthly, preparing the butyric acid oxidized hydrogen-producing acetogenic microorganisms; seventhly, transferring the butyric acid oxidized hydrogen-producing acetogenic microorganisms to a butyric acid ...

Mixed freeze-dried powder for preventing chicken viral diseases and preparation method thereof

The invention discloses mixed freeze-dried powder for preventing chicken viral diseases and a preparation method thereof. The mixed freeze-dried powder comprises the following components in parts by weight: 90 to 95 parts of chicken viral disease preventing yolk antibody, 1 to 2 parts f chicken viral disease preventing transfer factor, 1 to 2 parts of alpha-interferon, 1 to 2 parts of antioxidant, 0.01 to 0.02 part of antiseptic, 0.2 to 0.3 parts of inactivating agent, 0.05 to 0.1 part of selenium, 1 to 2 parts of polyvinylpyrrolidone, 0.5 to 1 part of glycine, and 0.5 to 1 part of active lactobacillus. The provided mixed freeze-dried powder for preventing chicken viral diseases is prepared by compounding chicken viral disease preventing yolk antibody, chicken viral disease preventing transfer factor, and an immunity enhancer, moreover a plurality of auxiliary materials are added, the raw materials cooperate with each other to generate a synergetic effect, the effect on preventing and treating ...

Traditional Chinese medicinal composition for treating respiratory infectious diseases of animals, and preparation method thereof

The invention discloses a traditional Chinese medicinal composition for treating respiratory infectious diseases of animals, and a preparation method thereof, and belongs to the technical field of traditional Chinese medicines for animals. The traditional Chinese medicinal composition comprises, by weight, 600-1000 parts of isatis root, 400-600 parts of Rhizoma Anemarrhenae, 300-600 parts of Radix Stemonae, 10-40 parts of borneol, 3-10 parts of Venenum Bufonis, 100-200 parts of borax, 10-50 parts of Natural Indigo, 20-50 parts of realgar, 200-500 parts of Radix Platycodonis, 100-300 parts of Radix Scutellariae and 100-300 parts of catechu. The composition prepared through blending the above 11 Chinese herbal medicines according to a monarch, minister, assistant and guide principle has the efficacies of phlegm dispelling, cough relieving and panting calming, is mainly used for treating the infectious laryngotracheitis, the infectious rhinitis, the infectious bronchitis and other diseases ...

Anaerobic contact acid-producing fermentation hydrogen-generation reaction unit

Method for improving efficiency of two-phase anaerobic fermentation system based on cobalt-enhanced methanogen activity

The invention discloses a method for improving efficiency of a two-phase anaerobic fermentation system based on cobalt-enhanced methanogen activity, and relates to a method for enhancing anaerobic fermentation methane production. The problems that the Co < 2 + > addition regulation and control effect of existing two-phase anaerobic fermentation is poor, the Co < 2 + > addition waste is large, secondary pollution is easily caused, and the methanogenesis phase is slowly recovered after being impacted are solved. The method comprises the following steps: 1, preparing a Co-EDDS chelate solution; and 2, adding the enriched acidogenic phase inoculation sludge into an acidogenic phase reactor, adding the enriched methanogenic phase inoculation sludge into a methanogenic phase reactor, then adding the Co-EDDS chelate solution into the methanogenic phase reactor, starting a two-phase anaerobic reactor, and feeding water. The method is used for improving the efficiency of the two-phase anaerobic ...

Veterinary drug for treating respiratory tract infection of poultry and preparation method thereof

The invention discloses a veterinary drug for treating respiratory tract infection of poultry and a preparation method thereof. The veterinary drug is prepared mainly from the following materials by weight part: 30-120 parts of radix stemonae, 10-120 parts of scutellaria baicalensis, 30-210 parts of giant knot weed, 10-60 parts of indigo naturalis, 10-60 parts of artificial bezoar, 10-40 parts ofborneol, 10-90 parts of realgar, 10-60 parts of liquorice, 30-120 parts of platycodon root, 90-210 parts of cyrtomium fortunei, 30-120 parts of blackberry lily, 10-210 parts of dried toad, 150-420 parts of radix isatidis and 1-10 parts of bromhexine hydrochloride. The veterinary drug is prepared by grinding, screening and evenly mixing the materials, and grinding the materials by a superfine pulverizing technology into submicron powder and packing. The veterinary drug is mainly used for treating respiratory diseases of poultry caused by the bacterial viruses such as infectious bronchitis of chicken ...

SYBR GreenI real-time quantitative polymerase chain reaction (PCR) detection method for S gene of transmissible gastroenteritis virus of swine

The invention discloses an SYBR GreenI real-time quantitative PCR detection method for the S gene of transmissible gastroenteritis virus of swine, which comprises the following steps: extracting total RNA of viral gastroenteritis; designing primers; performing reverse transcription; performing PCR amplification of a fragment of the S gene of transmissible gastroenteritis virus of swine; cloning and identifying the S gene of transmissible gastroenteritis virus of swine; preparing a standard product template; performing fluorescence quantitative PCR amplification; obtaining a kinetic curve and a standard curve; and performing repeatability, sensibility and specificity tests. In the method of the invention, only a good S type amplification curve is shown, only specific single peak of the product of the amplification appears, and the Tm value of the product is uniform; the detection sensitivity reaches 3 copies/microliter, and the sensitivity is high; the method avoids cross reaction with other ...

Diagnostic kit for Newcastle disease virus antibody

Injection for treating high fever syndrome of pigs and preparation method thereof

The invention discloses an injection for treating high fever syndrome of pigs and a preparation method thereof. Every 1,000ml of injection comprises the following raw materials: 15-30g of indigowoad root extract, 20-40g of Chinese ephedra herb extract, 5-20g of heartleaf houttuynia herb extract, 10-30g of baicalin, 5-20g of Isoprinosine and 10-20g of levofloxacin hydrochloride. The injection is used for preventing and treating viral diseases and bacterial disease of live pigs, especially has unique curative effect on high fever syndrome of pigs, caused by heavy infection, final decay, and thelike of the viral diseases. In addition, the invention adopts an injection method, thereby solving the problem that the treating aim is difficult to achieve because ill pigs are difficult to eat effective drug dose by adding drugs in feed.

Dicazuril soluble powder and preparation method thereof

The invention discloses a dicazuril soluble powder which is prepared from the following components by weight percent: 50-69.5 percent of dicazuril, 30-49.5 percent of polyvinylpyrrolidone and 0.5-2 percent of antioxygen. The invention also discloses a preparation method of the dicazuril soluble powder. The polyvinylpyrrolidone in the dicazuril soluble powder has excellent physiological inertress and biocompatibility so that the dicazuril can be evenly dissolved in water to form cleared homogeneous solution for killing coccidium in carcass, thereby being more convenient and effective in clinical use. Besides, compared with pharmaceutical solution, the dicazuril soluble powder has the characteristics of easy preservation and convenient transportation.

High-efficiency, antiviral and bacteriostatic traditional Chinese veterinary medicine

The invention discloses a high-efficiency, antiviral and bacteriostatic traditional Chinese veterinary medicine, which is composed of the following raw materials in parts by weight: 80-100 parts of dandelion, 100-150 parts of liquorice, 80-100 parts of isatis root, 80-150 parts of honeysuckle, 60-80 parts of rheum officinale, 70-80 parts of radix bupleuri, 50-80 parts of radix sophorae flavescentis, 40-60 parts of cortex phellodendri, 30-50 parts of gallnut, 20-30 parts of clove, 60-100 parts of artemisia apiacea, 20-30 parts of cassia twig, 50-90 parts of Chinese parsnip root, 50-100 parts of coptis chinensis, 80-150 parts of the root of Chinese pulsatilla, 80-180 parts of folium isatidis, and 60-120 parts of mangnolia officinalis. The high-efficiency, antiviral and bacteriostatic traditional Chinese veterinary medicine disclosed by the invention is prepared by weighing, crushing, sieving and mixing various bulk drugs. By adopting purely natural Chinese herbal medicines, the high-efficiency ...

Compound injection for curing viral diseases in livestock and poultry and preparation method thereof

The invention discloses a compound injection for curing viral diseases in livestock and poultry and a preparation method thereof. 100ml of injection comprises the following components by weight: 5 to 15g of herba andrographitis extract, 1 to 5g of spreading hedvotis extract, 2 to 8g of taurine, 5 to 10g of propylene glycol, 0.05 to 0.1g of Tween-80, 0.1 to 0.4g of antioxygen and the balance of injection water. The compound injection for curing viral diseases in the livestock and the poultry in the invention is prepared from the pure traditional Chinese medicinal preparations including the herba andrographitis extract and the spreading hedvotis extract and has a good antivirus effect; the pure traditional Chinese medicinal ingredients have low toxic and side effects; and when the herba andrographitis and the spreading hedvotis are used in combination with the taurine, the medicinal effects of the herba and rographitis and the spreading hedvotis can be improved, and the dosage amount of the ...

Comprehensive recovery method of gold ore resource containing molybdenum multi-metal

The invention discloses a method for comprehensively recovering molybdenum-containing polymetallic gold ore resources, which comprises the following steps: firstly, crushing and grinding molybdenum-containing gold ores first, performing floatation on useful metallic elements to obtain bulk concentrate by a complete mixing floatation method, and discarding tailings; secondly, leaching out and recovering gold and silver from the bulk concentrate by CCL carbon paste wet-method gold leaching technology, and using tailings after gold leaching for preferred selection of molybdenum in the next step;thirdly, performing preferred separation and floatation of the molybdenum on the gold leaching tailings to obtain qualified molybdenum concentrate; fourthly, activating molybdenum-selecting tailings,and performing separation and floatation of lead to obtain lead concentrate; fifthly, performing separation and floatation of copper on lead-selecting tailings to obtain copper concentrate; and sixthly, ...

Built-in box locked on table board or product plane

The invention discloses a built-in box locked on a table board or a product plane, comprising a box body and a cover body; left and right side surfaces of the box body are articulated with oscillatorylocating sheets, a support pillar for holding the inner side of the locating sheet is arranged in the cover body, and the locating sheet can penetrates through the box body and is leaned against to the bottom part of the kitchen table board; the design has simple structure without installation of bolt drilling and damaging the surface of a product, and the assembly and disassembly are convenient,the fixation is good and the water-proofing effect is better, thereby being widely applied to kitchen supplies such as garbage cans which are internally arranged below the kitchen table board and a knife insertion box and other product planes.

Production process and curing drying equipment for solar polycrystalline silicon quartz crucible

A production process and curing drying equipment for a solar polycrystalline silicon quartz crucible solve the problem that the wall thickness of the existing crucible is not uniform, the thermotechnical curing equipment cannot achieve the set process demands and the like. The production process is characterized in that the an organic monomer is added in quartz ceramic mud and a crucible product is obtained after the quartz ceramic mud is molded in a nonporous die; the process flow comprises the steps of melting a high-purity quartz raw material, preparing the quartz ceramic mud, pouring, solidifying and molding, curing and drying, sintering, detection, packing obtaining a finished product and storing in a warehouse. The kiln body of the curing drying equipment is of a three-layer structure, temperature measuring holes, humidity measuring holes, pressure measuring holes, hot air regulating holes and observation doors are arranged at two sides of a kiln wall of each layer of roller kiln; ...

Abamectin injection for livestock and preparation method thereof

The invention discloses an abamectin injection for livestock and a preparation method thereof. The injection is prepared by taking abamectin, cosolvent, surfactant and stabilizer as main raw materials, uniformly mixing the raw materials according to a certain proportion to obtain supernatant liquor, keeping constant volume by adding injecting water, adjusting the pH value, filtering and sterilizing. The invention reduces the use amount of organic solvent, is not easy to irritate and damage tissues when used for injecting livestock, has little toxic and side effects, high bioavailability, simple process, low price, good stability of injection and quality conformance within the period of validity and can reassure the use of feeders. The abamectin injection has favorable expelling and killingroles for parasites inside and outside livestock, particularly for nematode and arthropod.

Chinese herbal medicine fermented extracting solution for preventing and treating white scour of piglets and preparation method of extracting solution

The invention discloses a Chinese herbal medicine fermented extracting solution for preventing and treating white scour of piglets and a preparation method of the extracting solution. The Chinese herbal medicine fermented extracting solution consists of the following raw materials in parts by weight: 3-15 parts of root of Chinese pulsatilla, 1-12 parts of coptis chinensis, 2-10 parts of ash bark, 5-8 parts of radix sophorae flavescentis, 1-3 parts of liquorice root and 1-3 parts of lactobacillus acidophilus liquid. The fermented Chinese herbal medicine extracting solution for preventing and treating white scour of piglets disclosed by the invention has a relatively strong bacteriostatic effect on escherichia coli causing the white scour of piglets, and can be used for inhibiting the growth and propagation of the escherichia coli as well as regulating and recovering the flora balance of intestinal canal, and effectively improving the immunity and disease resistance of the organism, so that ...

Canine distemper and canine parvovirus disease bivalent vaccine and preparation method thereof

The invention discloses a canine distemper and canine parvovirus disease bivalent vaccine and a preparation method thereof. The bivalent vaccine is prepared by compounding a canine distemper vaccine and a canine parvovirus disease vaccine according to a volume ratio of 1:1, and then adding a freeze-dried protective agent and a multi-bacteria inhibitor into the mixed vaccine. The provided canine distemper and canine parvovirus disease bivalent vaccine is prepared by compounding a canine distemper vaccine and a canine parvovirus disease vaccine, at the same time a freeze-dried protective agent and a multi-bacteria inhibitor are added to enhance the effect, and the bivalent vaccine has the advantages of stable quality, long immunity time, few adverse reactions, safety, and reliability. At the same time, the bivalent vaccine can simultaneously effectively control the canine distemper virus and canine parvovirus, and has a prominent immunity effect. The application dosage is equal to that of ...

Avermectin suspension and preparation method thereof

The invention discloses an avermectin suspension and a preparation method thereof. Each 100 mL of suspension comprises the following components by weight: 1 to 3 grams of avermectin, 10 to 25 grams of absolute ethanol, 15 to 25 grams of polyethylene glycol, 0.6 to 1.3 grams of sodium carboxymethylcellulose, 0.5 to 0.7 gram of gelatin, 1 gram of tween 80, 0.5 gram of sodium benzoate, and the balance being injection water. The avermectin suspension is prepared by compounding avermectin, absolute ethanol, polyethylene glycol, sodium carboxymethylcellulose, gelatin, tween 80, and sodium benzoate, and the components mentioned above cooperate with each other to generate a synergetic effect. The provided suspension solves the problem that avermectin is hard to dissolve, can be rapidly absorbed by the gastrointestinal tracts, is completely absorbed in human body, has a high bio-utilization degree and large divergence, improves the sustained releasing and long acting effect of active components, ...

Comprehensive recovery method for ferro-sulphur ore containing copper, zinc and iron multi-metal

The invention discloses a method for comprehensively recovering polymetallic sulfurous iron ores containing copper, zinc and iron, which comprises the following steps: adding a strong inhibitor into the sulfurous iron ores first, controlling the pH value to be more than or equal to 11, adding a collector and a foaming agent into the mixture, and preferably performing flotation on copper and zinc;and activating tailings by an activator, adding the collector and the foaming agent into the tailings for floatation of sulfur, guaranteeing sulfur concentrate S is more than or equal to 47 percent, performing roasting, using flue gas to prepare a sulfuric acid, and directly using roasted sulfate slag to manufacture iron pellets. The method not only widens the application scope of copper-zinc bulk concentrate treatment grade but also recovers useful elements in the ores with low cost and high quality, not only recovers the copper with high yield but also recovers the zinc with high yield, avoids ...

Compound microcapsule for treating bacterial disease of livestock and poultry and preparation method thereof

The invention discloses a compound microcapsule for treating bacterial disease of livestock and poultry and a preparation method thereof. The compound microcapsule mainly comprises the following components in part by weight: 10 to 20 parts of origano oil, 15 to 30 parts of levofloxacin and 30 to 60 parts of capsule material. The Chinese medicinal preparation origano oil is combined with the western medicine levofloxacin to prepare the compound microcapsule. The western medicine levofloxacin fast sterilizes, and the Chinese medicinal preparation origano oil assists sterilizing, and the origano oil and the levofloxacin can regulate body functions of the livestock and poultry and improves immunity at the same time. The compound microcapsule has the advantages of synergistic effects because of the combination of the Chinese medicinal preparation and the western medicine, obvious sterilizing effect, no toxic or side effect of the medicaments, and capability of treating both principal and secondary ...

Setting tool

The utility model discloses a setting tool. Include: the setting tool body, the doublestage ball seat, it sets up the lower part of setting tool body through the pin, the doublestage ball seat includes first ball seat and second ball seat, first ball seat setting is in the top of second ball seat, the interval of first ball seat department is greater than the interval between the second ball seat,and first ball sealer and second ball sealer, the diameter of first ball sealer is greater than the second ball sealer, and the diameter of second ball sealer is less than the interval of first ballseat department, and first ball sealer and second ball sealer are used for respectively realizing sitting a function with first ball seat and second ball seat phase -match. The beneficial effects of the utility model are that: sit the mode of sealing and seal for the doublestage seat, ensure that the hanger seat seals successfully, improved the hanger and sat the reliability of sealing, have threekinds ...

Static contact finger installation method

The invention relates to a static contact finger mounting method, which comprises the following steps of: inversely placing a shielding case on a supporting surface, arranging a circumferential supporting piece at a lower position in the shielding case, enabling the circumferential supporting piece to be lower than the shielding case, and forming a slot by the circumferential supporting piece and the shielding case; inserting each contact finger into the slot from the insertion port, and enabling the insertion part of the contact finger to be inserted into a limiting groove formed by the hemming structure of the shielding case; enabling the circumferential supporting piece and the shielding cover to move relatively, enabling the upper ends of the contact fingers to move close to the shielding cover, and enabling the upper ends of the contact fingers to form an insertion port in a surrounding manner; the annular limiting part on the contact seat is inserted from the insertion opening; the ...

Compound traditional Chinese medicine composition for meat chicken, preparation method and applications thereof

The invention discloses a compound traditional Chinese medicine composition for meat chicken, a preparation method, and applications thereof, and belongs to the technical field of veterinary traditional Chinese medicine. The compound traditional Chinese medicine composition is mainly composed of the following raw materials in parts by weight: 5 to 15 parts of cassia bark, 5 to 15 parts of licorice, 5 to 10 parts of radix codonopsis, 6 to 10 parts of radix astragali, 5 to 10 parts of Chinese angelica, 5 to 10 parts of dried orange peel, and 5 to 8 parts of haw. The composition is made of the seven pure traditional Chinese herbals mentioned above, and has the characteristics of no drug resistance, little side and toxic effect, and difficulty in generating harmful residues in meat products. The effective components can directly kill the bacteria, also can activate or strengthen the specific immunity function and nonspecific immunity function of organisms, and have a broad-spectrum antiseptic ...

Diagnostic kit for Newcastle disease virus antibody

The invention relates to a diagnostic kit for a Newcastle disease virus antibody, which comprises 10-time concentrated washing liquid, serum diluent, standard serum, an anti-chicken immunoglobulin G (IgG) enzyme-labeled antibody, enzyme-labeled antibody diluent, a color development agent A, a color development agent B and stop solution. In an enzyme-linked immunosorbent assay (ELISA) diagnostic kit for detecting the Newcastle disease virus antibody, the established method has specificity, sensitivity and operability. In the aspect of sensitivity tests, the coincidence rate of the established method and a method of immunofluorescence technology is 86 percent, and compared with the method of the immunofluorescence technology, the established method is more sensitive and has the zero relevance ratio in other causes of disease pathogeny; and compared with hemagglutination inhibition (HI), the method has the advantages of quickness and low cost, and can be used for diagnosing and monitoring ...

Train loading unbalance loading prevention device, control method and travelling crane

The invention discloses a train loading unbalance loading prevention device, a control method and a travelling crane. The device comprises an image acquisition and analysis system, a transmission control system and an anti-swing device, the image acquisition and analysis system is used for shooting position images of the hanging object and the train carriage and obtaining position information of the hanging object through image analysis; the transmission control system is used for sending an instruction to control the travelling crane to move according to the position information of the hoisted object fed back by the image acquisition and analysis system, so that the position of the hoisted object meets the required drop point position requirement; the anti-swing device is arranged on the travelling crane and used for stabilizing a hoisted object. Automatic centering and unbalance loading prevention are achieved, the loading efficiency is improved, a loading and delivery plan can be made ...

Amitraz transdermal agent and preparation method thereof

The invention discloses an amitraz transdermal agent and a preparation method thereof. The amitraz transdermal agent comprises the following components in part by weight: 0.5 to 1 part of amitraz, 100 to 500 parts of borneol, 300 to 6,000 parts of N,N-dimethyl menthol glycinate and 35,000 to 70,000 parts of over 95 percent ethanol. In the amitraz transdermal agent of the invention, N,N-dimethyl menthol glycinate, borneol and the like are used as auxiliary materials, wherein the N,N-dimethyl menthol glycinate is a biodegradable derivative of menthol and can be used in medicines and cosmetics such as cream, ointment and linimentum for promoting the transdermal absorption of the medicines by skin and increasing medicinal effect; in addition, the borneol has penetration promoting and physically cooling functions. In the amitraz transdermal agent of the invention, the ethanol is added to increase the solubility of the amitraz and the activity of the amitraz in the transdermal agent for promoting ...

Traditional Chinese medicinal composition for improving reproductive function of sows, and preparation method thereof

The invention discloses a traditional Chinese medicinal composition for improving reproductive function of sows, and a preparation method thereof, and belongs to the technical field of traditional Chinese medicines for animals. The traditional Chinese medicinal composition mainly comprises, by weight, 60-80 parts of Radix Astragali, 40-60 parts of Chinese angelica, 40-60 parts of white peony root, 40-60 parts of Chinese Taxillus Twig, 20-30 parts of Ligusticum wallichii and 20-30 parts of licorice root. The above medicines are compounded according to a monarch, minister, assistant and guide principle under the guidance of defensive qi and nutrient blood syndrome differentiation theory of Traditional Chinese veterinary medicine. Radix Astragali and Chinese angelica are adopted as monarch medicines, and can strengthen middle warmer, tonify qi, enrich blood, invigorate blood circulation and adjust the immune functions of bodies; white peony root and Chinese Taxillus Twig are adopted as minister ...

Traditional Chinese veterinary medicine for treating duck infectious serositis diseases and preparation method thereof

The invention relates to a traditional Chinese veterinary medicine for treating duck infectious serositis diseases. The traditional Chinese veterinary medicine is prepared from the following raw materials in parts by weight: 5-10 parts of florfenicol, 1-5 parts of rifampicin, 8-15 parts of PEG 6000, 5-10 parts of PVP-K30, 5-10 parts of beta-cyclodextrin, 7-12 parts of tween-80, 15-25 parts of glycerol and 25-40 parts of purified water. The traditional Chinese veterinary medicine provided by the invention is easily available in raw material and low in price, is safe and does not have toxic or side effects on livestock and poultry bodies; and a preparation method of the traditional Chinese veterinary medicine, provided by the invention, is simple, easy to operate and suitable for large-scale production and popularization.

Joint beam forming method

The invention relates to a joint beam forming method, and belongs to the technical field of wireless communication. The invention particularly relates to a DRL-based non-convex optimization multivariable method for jointly optimizing an RIS phase shift matrix and a base station transmitting precoding to maximize the maximum sum rate of an MU-MISO communication system. The method aims at solving the problem that two variables are iteratively optimized through scaling non-convex constraints based on a traditional non-convex optimization multivariable method, and the method is prone to falling into a local optimal solution. According to the method, an exploration-reward mechanism of reinforcement learning is utilized, and a revenue function reward system suitable for the optimization problem is set to continuously explore a joint variable optimal solution. The problem that convergence is slow due to the fact that the action dimension of a DRL network for optimizing two variables at the same ...

Traditional Chinese medicine composition for preventing grass carp hemorrhagic disease and preparation method thereof

The invention discloses a traditional Chinese medicine composition for preventing grass carp hemorrhagic disease and a preparation method thereof, and belongs to the technical field of veterinary traditional Chinese medicine. The traditional Chinese medicine composition is mainly composed of the following traditional Chinese herbals in parts by weight: 70 to 130 parts of cyanotis arachnoides, 150 to 250 parts of isatis root, 150 to 250 parts of radix scutellariae, 70 to 130 parts of rheum officinale, 150 to 250 parts of coptis, and 70 to 130 parts of licorice. The traditional Chinese herbals are compounded according to the principle of "monarch, minister, assistant and guide" in the traditional Chinese medicine theory. In the formula, cyanotis arachnoides is taken as the monarch drug, contains a plurality of ketosteroid compounds, and is capable of preventing bacteria in a wide spectrum and viruses. Radix scutellariae, rheum officinale and licorice are taken as the minister drugs, and have ...

Amitraz transdermal agent and preparation method thereof

The invention discloses an amitraz transdermal agent and a preparation method thereof. The amitraz transdermal agent comprises the following components in part by weight: 0.5 to 1 part of amitraz, 100 to 500 parts of borneol, 300 to 6,000 parts of N,N-dimethyl menthol glycinate and 35,000 to 70,000 parts of over 95 percent ethanol. In the amitraz transdermal agent of the invention, N,N-dimethyl menthol glycinate, borneol and the like are used as auxiliary materials, wherein the N,N-dimethyl menthol glycinate is a biodegradable derivative of menthol and can be used in medicines and cosmetics such as cream, ointment and linimentum for promoting the transdermal absorption of the medicines by skin and increasing medicinal effect; in addition, the borneol has penetration promoting and physically cooling functions. In the amitraz transdermal agent of the invention, the ethanol is added to increase the solubility of the amitraz and the activity of the amitraz in the transdermal agent for promoting ...

GIS bus end extension device, transformer substation and GIS bus extension method

The invention particularly relates to a GIS bus end extension device, a transformer substation and a GIS bus extension method.The transformer substation comprises a transformer and a GIS bus, an end air chamber is arranged at the end of the GIS bus, the GIS bus end extension device is arranged between the end of a superior bus and the end air chamber, and the GIS bus end extension device comprises a transition cylinder; the transition cylinder is arranged between the upper-stage bus cylinder and the end air chamber cylinder, one end of the transition cylinder is provided with a first insulator connected with the upper-stage bus cylinder, and the other end of the transition cylinder is provided with a second insulator connected with the end air chamber cylinder, so that an independent air chamber is formed in the transition cylinder; a connecting conductor is arranged in the transition cylinder, a first connecting contact and a second connecting contact are arranged at the two ends of the ...

Swing type hydrofoil tidal current energy-powered electricity generating set

The invention aims to provide a swing type hydrofoil tidal current energy-powered electricity generating set. The electricity generating set comprises three sets of crank-rocker mechanisms, wing panels, synchronous belts, belt wheels, a rotating shaft, a torque meter, a gearbox, a flywheel and a generator. By a luffing four-rod mechanism, transformation from up-and-down oscillation of a hydrofoil to unidirectional rotation of the rotating shaft can be effectively realized in order to drive another set of swinging four-rod mechanism; the rotation of a crank is transformed into up-and-down oscillation of a swinging rod so as to effectively control the law of motion of oscillating angles of the wing panels; the rotating speed of the rotating shaft is accelerated by the gearbox, and finally energy is transmitted to the generate to realize energy utilization. By ingeniously utilizing the own mechanical properties of the four-rod mechanism, the electricity generating set disclosed by the invention ...

Refining method of tylosin

The invention discloses a refining method of tylosin. The refining method comprises the following steps: (1) dissolving coarse tylosin in an organic solvent, then adding active carbon, stirring to carry out a decoloring treatment so as to obtain a mixture; (2) filtering the mixture, namely orderly subjecting the mixture to microfiltration, ultra-filtration, and nano-filtration, then condensing the filtrate to obtain a condensed liquid; (3) spray-drying the obtained condensed liquid so as to obtain the tylosin. The provided refining method is capable of improving the purity of coarse tylosin to 99% or more by combining organic dissolution, active carbon decoloring, and multiple membrane filtration technologies. The pyrogen in tylosin is completely removed, the processed tylosin reaches the injection grade, and the yield can reach 93% to 96%. Moreover, during the refining process, no other substance is added, the probability of secondary impurity pollution is avoided, the nano-filtration ...

Method for preparing serum for resisting Muscovy duck parvovrius

The invention discloses a method for preparing serum for resisting Muscovy duck parvovirus, which comprises the following steps of: preparing the Muscovy duck parvovirus; preparing a primary immune Muscovy duck parvovirus antigen; preparing a secondary immune Muscovy duck parvovirus antigen; preparing a Freund's incomplete adjuvant vaccine for the Muscovy duck parvovirus from the secondary immuneMuscovy duck parvovirus antigen; preparing a Freund's complete adjuvant vaccine for the Muscovy duck parvovirus from the primary immune Muscovy duck parvovirus antigen; and immunizing the Muscovy duck by using the prepared antigens and vaccines to obtain the serum for resisting the Muscovy duck parvovirus. The serum prepared by the method has high titer, and has obvious effect of preventing and controlling the Muscovy duck parvovirus; the prevention rate of the serum is 96.6 percent; and the cure rate of the serum is about 70 percent.

Method for identifying veterinary astragalus polysaccharide injection

The invention discloses a method for identifying veterinary astragalus polysaccharide injection, which is characterized by adding sodium chloride solution to the veterinary astragalus polysaccharide injection and judging the veterinary astragalus polysaccharide injection is true if flocculent white precipitates appear and are not dissolved after shaking, otherwise, judging the veterinary astragalus polysaccharide injection is false. In the method, the common sodium chloride is used as the material for identification and can be replaced by edible salt, the material can be found anywhere, the identification cost is low, and the identification process is quite simple, the identification result can be presented immediately by only adding the sodium chloride solution, besides, the identification result is easy to distinguish, the quite striking flocculent white precipitates have sharp contrast to the transparent faint yellow veterinary astragalus polysaccharide injection, then the identification ...

Traditional Chinese medicine and traditional Chinese medicine aerosol for preventing and curing chicken respiratory diseases and preparation method thereof

The invention discloses a traditional Chinese medicine for preventing and curing chicken respiratory diseases, which is prepared from the following raw materials: 2-10g of ephedra, 3-10g of semen armeniacae amarae, 3-10g of liquorice, 15-60g of gypsum, 10-15g of chrysanthemum, 5-10g of folium mori, 6-15g of fructus forsythiae, 3-6g of mint, 3-10g of Platycodon grandiflorum, 10-15g of honeysuckle, 10-30g of dandelion, 15-30g of Houttuynia cordata, 10-15g of folium isatidis, 3-10g of Scutellaria baicalensis, 10-15g of Radix Ophiopogonis and 0.015-0.03g of venenum bufonis. The invention adopts pure traditional Chinese medicine preparation, has the functions of diminishing inflammation, sterilizing and relieving cough and asthma, and has good prevention and cure effect on chicken respiratory diseases.

Arc extinguish chamber gas guide valve, arc extinguish chamber and circuit breaker

The invention belongs to the field of high-voltage switch equipment parts, and particularly relates to an arc extinguish chamber air guide valve, an arc extinguish chamber and a circuit breaker, the arc extinguish chamber of the circuit breaker comprises an air guide valve, the air guide valve comprises a valve seat and a valve plate, the valve seat is provided with a center hole matched with an operating rod, and the outer circumferential surface of the valve seat is in sliding fit with an air cylinder of the arc extinguish chamber. An airflow channel is arranged between a center hole and the peripheral face of the valve seat, an elastic piece is arranged between the valve plate and the valve seat, and the airflow channel is provided with a sealing matching section matched with the valve plate in a sealing mode. The air return position is located on the side, close to the air compression chamber, of the sealing matching section, the blocking position is located in the sealing matching ...

Preparation method of tylosin tartrate microspheres

The invention discloses a preparation method of tylosin tartrate microspheres. The method uses gelatin as the carrier, liquid paraffin and Span-80 as the oil phase, and glutaraldehyde as the crosslinking agent to prepare tylosin tartrate microspheres. The tylosin tartrate microspheres prepared by the invention use gelatin as the carrier material, have no adverse reactions and no immunogenicity, have biodegradability and wide application range and can be taken by mouth or through injection. liquid paraffin and Span-80 are used as the oil phase, thus increasing the drug-loading rate and the encapsulation rate, facilitating the crosslinking and curing of glutaraldehyde, prolonging the elimination half life of the microsphere medicine and performing drug controlled release in animals. In addition, the preparation method of the invention has simple operation, the adopted reagent is common, the preparation cost is lower and the method is easy to popularize and apply.

Comprehensive recovery method of gold ore resource containing molybdenum multi-metal

The invention discloses a method for comprehensively recovering molybdenum-containing polymetallic gold ore resources, which comprises the following steps: firstly, crushing and grinding molybdenum-containing gold ores first, performing floatation on useful metallic elements to obtain bulk concentrate by a complete mixing floatation method, and discarding tailings; secondly, leaching out and recovering gold and silver from the bulk concentrate by CCL carbon paste wet-method gold leaching technology, and using tailings after gold leaching for preferred selection of molybdenum in the next step; thirdly, performing preferred separation and floatation of the molybdenum on the gold leaching tailings to obtain qualified molybdenum concentrate; fourthly, activating molybdenum-selecting tailings, and performing separation and floatation of lead to obtain lead concentrate; fifthly, performing separation and floatation of copper on lead-selecting tailings to obtain copper concentrate; and sixthly ...

Baffled fermentation hydrogen-generating reactor

A baffling fermenting reactor relates to a waste molasses preparing resource material produced by beet mill . A first guiding board 2 and the top of a second guiding board 7 are connected with the internal wall of casing 1 upper cover plate 14, a guard 10 is arranged between the first guiding board 2 and the second guiding board 7, of which the bottom is connected with the internal wall of casing 1 base plate 15, the inlet channel is located between the left side of the first guiding 2 and the internal wall of the casing 1, and the first grid chamber 11 is located between the first guiding board 2 and the guard 10. It achieves simple structure and low cost.

Preparation method of C5 fatty acid monosaccharide ester, application of C5 fatty acid monosaccharide ester in cigarettes and cigarette

The invention discloses a preparation method of C5 fatty acid monosaccharide ester, an application of the C5 fatty acid monosaccharide ester in cigarettes and a cigarette. The preparation method comprises the following steps: (1) preparing a mixed ionic liquid, wherein the volume ratio of a hydrophilic ionic liquid to a hydrophobic ionic liquid in the mixed ionic liquid is 1:0.1-1:10; (2) adding a monosaccharide water solution with the volume 0.1-10 times that of the mixed ionic liquid into the mixed ionic liquid, uniformly mixing, carrying out reduced pressure concentration and water removal at the temperature of 50-60 DEG C, and removing the undissolved monosaccharide to obtain a supersaturated monosaccharide ionic liquid; (3) adding C5 fatty acid into the supersaturated monosaccharide ionic liquid, wherein the mass concentration of the C5 fatty acid in the supersaturated monosaccharide ionic liquid is 10-1000g/L, adding lipase to form a reaction system according to the consumption proportion ...

Dicazuril soluble powder and preparation method thereof

The invention discloses a dicazuril soluble powder which is prepared from the following components by weight percent: 50-69.5 percent of dicazuril, 30-49.5 percent of polyvinylpyrrolidone and 0.5-2 percent of antioxygen. The invention also discloses a preparation method of the dicazuril soluble powder. The polyvinylpyrrolidone in the dicazuril soluble powder has excellent physiological inertress and biocompatibility so that the dicazuril can be evenly dissolved in water to form cleared homogeneous solution for killing coccidium in carcass, thereby being more convenient and effective in clinical use. Besides, compared with pharmaceutical solution, the dicazuril soluble powder has the characteristics of easy preservation and convenient transportation.

Traditional Chinese medicine and traditional Chinese medicine aerosol for preventing and curing chicken respiratory diseases and preparation method thereof

The invention discloses a traditional Chinese medicine for preventing and curing chicken respiratory diseases, which is prepared from the following raw materials: 2-10g of ephedra, 3-10g of semen armeniacae amarae, 3-10g of liquorice, 15-60g of gypsum, 10-15g of chrysanthemum, 5-10g of folium mori, 6-15g of fructus forsythiae, 3-6g of mint, 3-10g of Platycodon grandiflorum, 10-15g of honeysuckle,10-30g of dandelion, 15-30g of Houttuynia cordata, 10-15g of folium isatidis, 3-10g of Scutellaria baicalensis, 10-15g of Radix Ophiopogonis and 0.015-0.03g of venenum bufonis. The invention adopts pure traditional Chinese medicine preparation, has the functions of diminishing inflammation, sterilizing and relieving cough and asthma, and has good prevention and cure effect on chicken respiratory diseases.

Compound medicinal composition for treating livestock and poultry respiratory disease and soluble powder thereof

The invention discloses a compound medicinal composition for treating livestock and poultry respiratory disease and soluble powder thereof. The compound medicinal composition for treating the livestock and poultry respiratory disease mainly comprises the following components in part by weight: 1 to 3 parts of tiamulin hydrogen fumarate, 5 to 15 parts of doxycycline hydrochloride, 1 to 15 parts of astragalus polysaccharide and 1 to 4 parts of antisepsis synergist. In the compound medicinal composition for treating the livestock and poultry respiratory disease, the tiamulin hydrogen fumarate and the doxycycline hydrochloride are adopted, and the antisepsis synergist is added, so the antiseptic effect of the medicament is improved on the basis of maintaining the medicinal effects of the tiamulin hydrogen fumarate and the doxycycline hydrochloride, and the aims of high efficiency and quick response are fulfilled; besides, the added traditional Chinese medicinal component astragalus polysaccharide ...

Preparation method of benzimidazole drug intermediate 3-nitro-4-ethylamino benzyl alcohol

The invention provides a preparation method of benzimidazole drug intermediate 3-nitro-4-ethylamino benzyl alcohol, which comprises the following steps: taking 3-nitro-4-acetamidobenzoic acid as a raw material, carrying out reduction reaction on the raw material and a reducing agent in an organic solvent to synthesize the 3-nitro-4-ethylamino benzyl alcohol, and diisobutylaluminium hydride or red aluminum or a reductive compound containing lithium, sodium or potassium and boron trifluoride/diethyl ether are used as reducing agents. According to the method, chemical conversion of two functional groups is achieved through one-step reaction, reaction conditions are mild, equipment is simple and easy to control, the raw material cost is reduced, and the product yield is high.

Florfenicol refining method

Disclosed is a florfenicol refining method. The method includes: taking crude florfenicol, and adding the crude florfenicol into N,N-dimethylformamide according to the mass ratio of 1:3-4; heating to 40-80 DEG C with stirring, performing backflow and retaining the temperature for 3-6 hours prior to stopping heating to the room temperature, performing crystallization, suction filtration and washing, and performing vacuum drying for 4-8 hours. During washing, acetone is used for washing, and then purified water is used for washing. The stirring speed is 30-60rpm. Compared with the prior art, the refining method is simple to operate, stable in process, higher in product quality, high in yield of purified products and high in purity and has obvious implement value and social and economic benefits.

Chinese herbal medicine feed additive for livestock and poultry, preparation method and application

The invention discloses a Chinese herbal medicine feed additive for livestock and poultry, a preparation method and an application, and belongs to the technical field of feed additives for animals. The feed additive mainly comprises the following active pharmaceutical ingredients in parts by weight: astragalus membranaceus 3-20, Codonopsis pilosula 1-10, salvia miltiorrhiza 2-11, Chinese pulsatilla root 5-15, Rhizoma Atractylodis 2-9, Fructus?Citri?Sarcodactylis 2-15, motherwort herb 2-8, white Paeony root 1-10, liquorice 3-17, dried orange peel 2-8, Eleutherococcus?senticosus 1-9, chicken's gizzard-membrane 2-15, and pumpkin seeds 1-12. Under the guide of the defensive energy nutrients and blood dialectical theory method of Chinese veterinarian, the active pharmaceutical ingredients are combined according to the prescription principles of?monarch, minister, assistant?and?guide, the formula is simple, the ingredients are easily available, the immunity and the disease resistance of livestock ...

Hydrofoil trend is initiatively swung to showy formula half can catch ability device

The utility model provides a hydrofoil trend is initiatively swung to showy formula half can catch ability device will comprise two sets of crank and rocker mechanism, fin, hold -in range and band pulleys, control motor, acceleration rate mechanism, flywheel, flotation pontoon, flat board, generator and corresponding drive disk assembly. Turn into articulate unidirectional rotary motion with pendulum motion about the hydrofoil through the crank and rocker mechanism transmission, after the rethread acceleration rate mechanism acceleration rate, conversion of energy is realized for the generator to the energy transfer the most at last. Utilize the motor to realize fin pivot angle motion laws's real time control, utilize the rotation inertia of flywheel to overcome the dead point problem that the crank and rocker mechanism motion exists, utilize acceleration rate mechanism to be increased to the rotational speed within the rated revolution scope of generator. The utility model discloses the ...

Method for preparing anti-duck viral hepatitis transfer factor

The invention discloses a method for preparing an anti-duck viral hepatitis transfer factor, which comprises the following steps of: firstly, inoculating duck viral hepatitis in a chick embryo allantoic cavity for multiplication and extracting a virus antigen from the chick embryo allantoic cavity; secondly, immunizing a healthy pig body with the extracted virus antigen; and thirdly, extracting the anti-duck viral hepatitis transfer factor from the spleen of the immune pig. In the invention, specific transfer factor is extracted from duck viral hepatitis viruses and can effectively suppress the duck viral hepatitis viruses and protect the cells of a normal body from being infected with the duck viral hepatitis viruses, so that the duck viral hepatitis is prevented and treated radically. Moreover, the preparation method of the invention is simple and feasible, short in production time and low in cost and has a promising application prospect.

Method for identifying veterinary astragalus polysaccharide injection

The invention discloses a method for identifying veterinary astragalus polysaccharide injection, which is characterized by adding sodium chloride solution to the veterinary astragalus polysaccharide injection and judging the veterinary astragalus polysaccharide injection is true if flocculent white precipitates appear and are not dissolved after shaking, otherwise, judging the veterinary astragalus polysaccharide injection is false. In the method, the common sodium chloride is used as the material for identification and can be replaced by edible salt, the material can be found anywhere, the identification cost is low, and the identification process is quite simple, the identification result can be presented immediately by only adding the sodium chloride solution, besides, the identification result is easy to distinguish, the quite striking flocculent white precipitates have sharp contrast to the transparent faint yellow veterinary astragalus polysaccharide injection, then the identification ...

Veterinary compound tilmicosin injection and preparation method thereof

The invention discloses a veterinary compound tilmicosin injection and a preparation method thereof. 100ml of the veterinary compound tilmicosin injection comprises 15-30g of tilmicosin, 4-10g of florfenicol, 0.5-1.0g of an anti-oxidant, 3.3-8.0g of a cosolvent and the balance injection water. The veterinary compound tilmicosin injection having stable performances is prepared from tilmicosin and florfenicol as main raw materials and the anti-oxidant and the cosolvent as auxiliary materials. After intramuscular injection, the veterinary compound tilmicosin injection can be easily absorbed by animals and even completely absorbed, improves bioavailability, has long drug active ingredient action time, can be used for clinical treatment on livestock and poultry respiratory tract system disease caused by a plurality of pathogenic bacteria, has good curative effects and is convenient for use. The preparation method of the veterinary compound tilmicosin injection has simple processes, is convenient ...

Preparation method of vanillin-1,2-propylene glycol acetal

The invention relates to the technical field of perfumes, and discloses a preparation method of vanillin-1,2-propylene glycol acetal. The preparation method comprises the following steps: dissolving ethyl vanillin and 1, 2-propylene glycol in an organic solvent, and carrying out a condensation reaction under the action of a composite catalyst to prepare vanillin-1,2-propylene glycol acetal; and the composite catalyst is an acetic anhydride and phosphoric acid mixture. The method is an improved traditional synthesis method, and uses cheap phosphoric acid and acetic anhydride to prepare the composite catalyst, so the preparation method disclosed in the invention has the advantages of simple reaction method, easy control of the reaction process, high reaction yield reaching 98%, and suitableness for industrialized production.

Method for clarifying and decontaminating silver blue oral liquid

The invention discloses a method for clarifying and decontaminating silver blue oral liquid. The method comprises the following steps of: adding 5 percent solution of a 101 clarifying agent in an amount which is 4 to 14 percent based on the total volume of the silver blue oral liquid into the silver blue oral liquid; stirring uniformly; standing for 5 to 20 minutes; adding 5 percent solution of an aid in an amount which is 4 to 14 percent based on the total volume of the silver blue oral liquid and 3 to 8 g/L of talcpowder; stirring uniformly and standing for 8 to 12 hours; centrifuging; and taking supernatant. The method adopted by the invention does not need any special equipment or a large amount of ethanol and only needs to add the 101 clarifying agent, the aid and the talcpowder for treating, has low energy consumption and short production period, can greatly lower production cost, solves the problem of wall sticking of precipitates and improves molding effect and efficiency.

Chinese and Western medicine compound injection emulsion used for treating bacterial disease of poultry and livestock and preparation method thereof

The invention discloses Chinese and Western medicine compound injection emulsion used for treating bacterial disease of poultry and livestock and a preparation method thereof. Each 1,000ml of injection consists of the following components: 1o to 30g of enrofloxacin, 1 to 10g of baicalin, 100 to 350ml of medical vegetable oil for injection, 5 to 20g of emulsifier, 0.1 to 1g of antioxygen, 2 to 6g of isoosmotic adjusting agent and the balance of water for injection. The preparation method comprises the following steps of: respectively weighing the vegetable oil for injection and the water for injection, sterilizing, and naturally cooling; weighing the enrofloxacin, the baicalin, the emulsifier, the isoosmotic adjusting agent and the antioxygen, dissolving in the sterilized water for injection, and heating and stirring to obtain a water phase; dissolving the emulsifier in the vegetable oil, and heating and stirring to obtain an oil phase; adding the water phase into the oil phase with stirring ...

Infectious bronchitis egg yolk antibody oral solution and preparation method thereof

The invention discloses an infectious bronchitis egg yolk antibody oral solution and a preparation method thereof. According to a formula, the infectious bronchitis egg yolk antibody oral solution comprises the following raw materials in percentage by volume: 95-105 of a whole-egg water solution containing an egg yolk antibody, 0.2-0.3 of octanoic acid, 0.2-0.3 of formaldehyde, 0.01-0.02 of merthiolate and 800-1000 units of mycillin in every milliliter of the oral solution. Whole eggs with high immunoglobulin are adopted during preparation, so that the clear egg yolk antibody oral solution is obtained. The egg yolk antibody oral solution prepared by using the preparation method is not only low in loss, high in immune active substance content, high in biological activity and free of clinical side effects in the production process, but also contains a great number of various proteins in egg white, so that the adverse effects on the antibody can be reduced during oral administration.

Aerosol for preventing and controlling pullorum disease and preparation method thereof

The invention discloses an aerosol for preventing and controlling pullorum disease and a preparation method thereof. The aerosol is prepared from the following raw materials by weight/volume: 50 to 200 grams of golden thread, 50 to 200 grams of amur corktree bark, 50 to 100 grams of rhubarb, 50 to 200 grams of baical skullcap root, 50 to 200 grams of indigowoad root, 50 to 100 grams of liquoric root, 10 to 80 grams of propellant, 50 to 150 milliliters of propylene glycol, 100 to 350 milliliters of ethanol and the balance of water. The preparation method comprises the following steps of: extracting active ingredients of the golden thread, the amur corktree bark, the rhubarb, the indigowoad root and the liquoric root and extracting active ingredients of the baical skullcap root; and mixing the extracts, adjusting pH value, filtering, adding active carbon to adsorb impurities, leaching, adding the propylene glycol, the ethanol and the water, adjusting the pH value to an acid state, adding ...

Melon pulp-excavating machine

The invention mainly relates to melon pulp-excavating seed-extracting juice-making machine equipment, belongs to agricultural machinery, and particularly relates to a melon pulp-excavating machine. The machine mainly comprises a melon feeding mechanism, a melon insert frame indexing mechanism and a pulp excavating cutter lifting mechanism, and is mainly characterized in that an oscillating bar (4) of the melon feeding mechanism and a shaft (6) are hinged at a position of three fourths of the oscillating bar, the long end of the oscillating bar is sleeved on a sliding sleeve (4), the short end of the oscillating bar is tangential to a disc cam (5), a guide rail (40) and a cutter (38) are fixed on a rack (1), a support (39) is hinged with the sliding sleeve (41), the 2 round pin-4 fluted roller shaft (9) and a 2 round pin-4 fluted roller shaft (11) of the melon insert frame indexing mechanism are connected with two melon insert frames (12) through flat keys, the included angle of the two ...

Long-acting enrofloxacin injection for livestock and poultry and method of preparing the same

The invention provides a long-acting enrofloxacin injection for livestock and poultry which is prepared by the following raw materials by weight percentage: 2-15% of the enrofloxacin, 5-10% of cosolvent, 10-15% of sustained release solvent, 0.5-10% of macromolecule sustained release material, 0.01-0.03% of a complexing agent, 0.1-0.3% of antioxidant and 30-80% of water for injection; the long-acting enrofloxacin injection for livestock and poultry optimizes various ingredients, does not affect curative effect under the condition of reducing the total dosage, and lowers treatment cost as well as has the advantages of long-term action, high efficiency, low cost, safety and reliability; the preparation method of the long-acting enrofloxacin injection is simple, so the production cost is reduced. The long-acting enrofloxacin injection is suitable for various infectious diseases in digestive system, respiratory system, urinary system and skin soft tissues resulting from sensitive bacteria and ...

Anaerobic contact acid-producing fermentation hydrogen-generation reaction unit

The invention discloses hydrogen-making reaction equipment through acid production and fermentation of an anaerobic contact type, relating to the hydrogen-making reaction equipment. The invention solves the problems that the hydrogen producing speed is large, gas and solid separation can not be realized within limit time effectively by adopting the hydrogen-making reaction equipment of fermentation biological (CSTR), thus leading sludge to be lost, confining the improvement of hydrogen producing efficiency and greatly threatening the stability of system operation. A diversion cylinder (4) with a bell mouth is arranged in a first shell (3); the external wall of the diversion cylinder (4) with the bell mouth is fixedly provided with a connection plate (11); the lower end of a mechanical stirring device (5) is positioned in the diversion cylinder (4) through a central hole (21-1) of a first upper cover plate (21); the lower end of an overflow weir (14) is fixedly connected with the upperpart ...

Diclazuril solution and preparation method thereof

The invention discloses a diclazuril solution and a preparation method thereof. The diclazuril solution comprises, by weight, 1 part of diclazuril, 30-40 parts of propylene glycol, 30-40 parts of N-methyl-2-pyrrolidone, 10-15 parts of anhydrous ethanol, 5-10 parts of benzyl alcohol, 3-5 parts of tween 80, 0.5-2 parts of an antioxidant and 10-20 parts of water for injection. The diclazuril solution has the following advantages: diclazuril is uniformly dispersed in the solution, so the stability of a drug is improved; the diclazuril solution can be diluted with water without precipitation when in use, and uniform dispersion is easy when the diclazuril solution is mixed for use, so the drug can be sufficiently administrated by poultry to timely and effectively kill coccidium in the poultry, thereby a good treatment effect can be reached; and the bioavailability is high, so the waste of the drug is avoided, and the culturing cost is saved.

Compound traditional Chinese medicine composition for preventing and treating newcastle disease and its preparation method and use

The invention discloses a compound traditional Chinese medicine composition for preventing and treating newcastle disease and its preparation method and use, and belongs to the technical field of veterinary traditional Chinese medicines. The compound traditional Chinese medicine composition comprises, by weight, 10-30 parts of radix astragali, 10-25 parts of herba houttuyniae, 10-30 parts of fructus forsythiae, 10-25 parts of common andrographis herb, 5-10 parts of pilose asiabell root, 5-10 parts of plantain herb, 5-10 parts of Chinese angelica, 5-10 parts of fiveleaf gynostemma herb and 5-10 parts of coptis root. Through use of the above nine pure natural traditional Chinese medicines, active ingredients of the pure natural traditional Chinese medicines can be directly used for resisting viruses and can stimulate or improve body specific or non-specific immunization functions so that substantial curative effects of preventing and treating newcastle disease are obtained. Through combination ...

Self-lubricating gear

The invention discloses a self-lubricating gear and belongs to the field of transmission devices. The self-lubricating gear comprises a gear body, a gear shaft and a plurality of gear teeth. The gear body is cylindrical. The gear teeth are arranged on the circumferential surface of the gear body in the circumferential direction of the gear body. The gear shaft is coaxially connected with the gear body. The self-lubricating gear further comprises baffles and switch assemblies, and the switch assemblies are in one-to-one correspondence with the gear teeth. The gear shaft is internally provided with a shaft hole communicating with the outside. The end face of the gear body is provided with end face grooves which are in one-to-one correspondence with the gear teeth. The gear teeth are provided with tooth grooves extending to the tooth crest curved surfaces or the tooth surfaces of the gear teeth. The tooth grooves are provided with first ports which are formed in the tooth crest curved surfaces ...

Injecta for treating swine enzootic pneumonia and preparation method thereof

The present invention discloses injecta for treating swine enzootic pneumonia, comprising the following components in each 100 ml in part by weight: 2.5 to 10g of enrofloxacin, 10 to 20g of aminophylline, 2 to 5g of isoprinosine, 1.5 to 5g of cosolvent and 0.1 to 0.3g of antioxidant. The cooperation of the aminophylline and the bactericide of enrofloxacin can restrain and kill mycoplasma hyopneumoniae which causes swine enzootic pneumonia, and simultaneously, can relieve the diseases of cough, asthma, and the like caused by swine enzootic pneumonia with good treatment effect. Cooperating with isoprinosine, the injecta can enhance the immunity of swine and prevent the secondary infection of other viral disease.

Traditional Chinese herbal microecological preparation for preventing and treating piglet bacterial dysentery and preparation method thereof

The invention discloses a traditional Chinese herbal microecological preparation for preventing and treating piglet bacterial dysentery and a preparation method thereof, and belongs to the technical field of veterinary traditional Chinese medicine. The traditional Chinese herbal microecological preparation is mainly composed of the following traditional Chinese herbals in parts by weight: 1 to 10 parts of Chinese pulsatilla root, 3 to 20 parts of coptis, 5 to 15 parts of phellodendron, and 6 to 25 parts of ash bark; and also comprises the following bacterium liquids in parts by volume: 1 to 3 parts of lactobacillus acidophilus liquid, 1 to 6 parts of enterococcus faecalis liquid, and 1 to 6 parts of bacillus subtilis liquid; wherein the ratio of the total weight of the bacterium liquid to the total weight of the traditional Chinese herbals is (1-5):(40-50). The microecological preparation is prepared by compounding traditional Chinese herbals and beneficial bacteria and has the characteristics ...

Traditional Chinese medicinal composition used for treating infectious rhinitis and chronic respiratory diseases of livestock and poultry, and preparation method thereof

The invention discloses a traditional Chinese medicinal composition used for treating infectious rhinitis and chronic respiratory diseases of livestock and poultry, and a preparation method thereof, and belongs to the technical field of traditional Chinese medicines for animals. The traditional Chinese medicinal composition comprises, by weight, 6-21 parts of isatis root, 3-15 parts of Natural Indigo, 1-6 parts of borneol, 1-12 parts of borax, 6-24 parts of Rhizoma Coptidis, 3-21 parts of mirabilitum dehydratum, 6-15 parts of Aster tataricus, 6-15 parts of chalcanthite, 1-6 parts of cinnabar, 6-24 parts of dahurian angelica root and 6-24 parts of Siberian Cocklour Fruit. The traditional Chinese medicinal composition prepared by blending the above 11 pure natural Chinese herbal medicines according to a monarch, minister, assistant and guide principle, isatis root, Natural Indigo and Rhizoma Coptidis have heat clearing and detoxifying effects and are monarch medicines, Siberian Cocklour Fruit ...

Traditional Chinese medicine injection preparation for treating pig eczema and preparation method thereof

The invention discloses a traditional Chinese medicine injection preparation for treating pig eczema and a preparation method thereof. The traditional Chinese medicine injection preparation is prepared from the following raw materials in parts by weight: 350-500 parts of caulis lonicerae, 350-500 parts of flos chrysanthemi indici, 350-500 parts of cineraria repanda, 125-250 parts of lobelia chinensis, 100-200 parts of herba violae, 3-5 parts of glycerol, 7-10 parts of benzyl alcohol, and 0.1-0.3 part of sodium hydrogen sulfite. The traditional Chinese medicine injection preparation is prepared by the following steps: slicing, decocting, concentrating, alcohol-precipitating, filtering and recovering, centrifugally separating, configuring and filling. The traditional Chinese medicine injection preparation is prepared by adopting pure natural Chinese herbal medicines, has simple preparation method, is free from drug residue, has no toxic and side effects, has an obvious treatment effect on ...

Method for extracting chicken egg yolk antibodies against infectious bursal disease

The invention discloses a method for extracting chicken egg yolk antibodies against infectious bursal disease, which comprises the following steps of: taking an immune egg yolk, breaking the immune egg yolk, and purifying by respectively adopting acetic acid-sodium acetate buffer solution, octylic acid solution and ammonium sulfate; and filtering by using a filter membrane to obtain the egg yolk antibodies. In the method for extracting the chicken egg yolk antibodies against the infectious bursal disease, the acetic acid-sodium acetate buffer solution, the octylic acid solution and the ammonium sulfate are respectively adopted for purification, and the filter membrane is adopted for filtration finally, so the loss of the antibodies and the damage to the antibodies are reduced, and the productivity of the egg yolk antibodies is improved; and the method has the advantages of simple operation, and convenient production, promotion and application.

Valnemulin hydrochloride emulsion for animals and preparation method thereof

The invention discloses valnemulin hydrochloride emulsion for animals. Each 100ml of emulsion mainly comprises the following components by weight: 5 to 10g of valnemulin hydrochloride, 1 to 5g of emulsifier, 20 to 40g of oil for injection, 5 to 15g of ethanol and the balance of water for injection. The valnemulin hydrochloride emulsion for animals has the advantages of quick in vivo distribution and good target, can reduce the medicament residue in vivo and the toxic or side effect on the animals, and also can mask the unpleasant odor of the medicament, and improve the stability of the medicament. The valnemulin hydrochloride emulsion for animals can effectively treat gram-positive bacteria and mycoplasma infection, particularly swine dysentery and porcine enzootic pneumonia, and can reduce the using amount of the medicament and avoid medicament tolerance.

Egg promoting feed additive for poultry and preparation method thereof

The invention discloses an egg promoting feed additive for poultry and a preparation method thereof, belonging to the field of animal nutrition. The egg promoting feed additive is mainly prepared from codonopsis pilosula leaves, astragalus root, epimedium, glossy privet fruit, folium artemisiae argyi, notherwort herb, acanthopanax root, hawthorn, humifuse euphorbaia herb, scurfpea fruit, pine leaves and radix polygoni multiflori preparata. The preparation method comprises the following steps: adding water in the 12 Chinese herbal medicines and decocting the Chinese herbal medicines 1 to 3 times, filtering, mixing decoction, concentrating filtrate into thick paste which has the relative density of 1.10 to 1.30 at 60 DEG C to 80 DEG C, adding ethanol, after the ethanol content reaches 47.5 percent to 80 percent in the ratio by volume, performing ethanol precipitation, filtering, recovering ethanol from filtrate until no ethanol odor is smelt and drying to obtain the active ingredients of ...

Compound terramycin injection and preparation method thereof

The invention discloses a compound terramycin injection and a preparation method thereof. The compound terramycin injection comprises, by weight, 20 parts of terramycin, 2 parts of flunixin meglumine, 30-40 parts of propylene glycol, 10-15 parts of dimethyl formamide, 3 parts of polyvinylpyrrolidone, 6-7 parts of magnesium oxide, 0.5 parts of an anti-oxidant, 6.1-6.5 parts of ethanolamine and 28 parts of injection water. The compound terramycin injection can be used for treating therapy-sensitive infectious diseases caused by gram-positive bacteria and gram-negative bacteria, rickettsia and mycoplasma and has good treatment effects. The compound terramycin injection has good stability, does not discolor after being heated or stored for a long time, does not product precipitates, solves the problem that under the acid or alkaline conditions, the existing terramycin injection discolors or precipitates after being heated or stored for a long time so that titer is reduced, and can slowly release ...

Method for preparing hexanoic acid through mixed flora electric domestication reinforced straw cathode electric fermentation

The invention discloses a method for preparing hexanoic acid through mixed flora electric domestication and enhancement of straw cathode electric fermentation, and relates to a method for preparing hexanoic acid through straw cathode electric fermentation. The problems that existing mixed flora fermentation is low in caproic acid yield and long in fermentation period, needs a large number of additional electron donors and is poor in economical efficiency are solved, and the problem that due to the fact that straw components are complex and difficult to degrade, electric fermentation is hindered in strengthening caproic acid fermentation with straw as a substrate is solved. Adding the pretreated straws and a fermentation culture medium into a cathode chamber of an electric fermentation reactor, inoculating the initial mixed flora, then performing electric domestication culture until the content of caproic acid in fermentation liquor in the cathode chamber does not rise any more, then taking ...

Heat-resisting and freeze-drying protector for live vaccine and preparation method thereof as well as live newcastle disease vaccine

The invention discloses a heat-resisting and freeze-drying protector for a live vaccine and a preparation method thereof as well as a live newcastle disease vaccine adopting the freeze-drying protector. The heat-resisting and freeze-drying protector for the live vaccine comprises the following compositions in percentage by weight: 10-15 percent of trehalose, 1-2 percent of polyvinylpyrrolidone (PVP), 1-2 percent of alum, 1-2 percent of glutamine, 2-10 percent of sorbitol, 0.1-0.5 percent of potassium dihydrogen phosphate, 0.5-1 percent of vitamin C and the balance of water. Compared with the traditional vaccine, the heat-resisting and freeze-drying protector for the live vaccine has the advantages of good stability, long preservation time, low preservation condition, little activity damage on the live vaccine, good dissolubility, simple raw material and the like.

Chinese-western compound ointment for treating fungal dermatosis and preparation method thereof

The invention discloses a Chinese-western compound ointment for treating fungal dermatosis and a preparation method thereof. The Chinese-western compound ointment disclosed by the invention is prepared from the following raw materials in parts by weight: main materials: 20-40 parts of honeysuckle, 20-40 parts of fructus kochiae, 20-40 parts of the tuber of stemona, 20-40 parts of pericarpium zanthoxyli, 20-40 parts of radix sophorae flavescentis, 20-40 parts of cortex dictamni, 15-25 parts of golden cypress, and 15-25 parts of periostracum cicada; and auxiliary materials: 2-5 parts of itraconazole, 8-10 parts of matrix, and 0.01-0.05 part of preservative. The preparation method disclosed by the invention comprises the following steps: adding water to decoct various weighed traditional Chinese medicines for three times, each time for 50-70 min, mixing filtrates, decompressing and concentrating till the relative density is 1.0-1.1, adding itraconazole, continuously stirring, then, adding ...

Locking device of ship abutting draught fan

The invention discloses a locking device for a ship abutting draught fan. The locking device for the ship abutting draught fan comprises a ship, an abutting draught fan device, a draught fan, a draught fan fixing rod and a draught fan fixing ladder. The ship is provided with an abutting draught fan device, one end of the abutting draught fan device is connected with one end of a draught fan fixing rod, the other end of the draught fan fixing rod is connected with one side of a draught fan through a connecting frame, and a draught fan fixing ladder is arranged at the position, located above the draught fan fixing rod, of the side face of the draught fan. The jacking draught fan device comprises a main motor, a transverse adjusting lead screw, a first fixing frame, a rotating frame, a two-way lead screw, an upper oil cylinder, an upper meshing frame, an auxiliary motor, a lower oil cylinder and a lower meshing frame, the two fixing frames are installed on the ship, and an output shaft of ...

Traditional Chinese medicinal composition used for preventing and treating infectious laryngotracheitis of chicken, and preparation method thereof

The invention discloses a traditional Chinese medicinal composition used for preventing and treating infectious laryngotracheitis of chicken, and a preparation method thereof, and belongs to the technical field of traditional Chinese medicines for animals. The traditional Chinese medicinal composition comprises, by weight, 20-25 parts of Radix Astragali, 20-25 parts of licorice root, 15-20 parts of Weeping Forsythia, 15-20 parts of isatis root, 15-22 parts of chrysanthemum and 30-35 parts of Folium Polygoni Tinctrorii. The composition adopting pure natural Chinese herbal medicines has the characteristics of wide medicine sources, no medicine resistance, small toxic side effects, difficult generation of harmful residues in meat products; the above medicines are compounded according to a monarch, minister, assistant and guide principle, so the composition has the efficacies of heat clearing, detoxifying, bacterium preventing, inflammation eliminating and body immunity improving; and effective ...

Mixed freeze-dried powder for preventing porcine bocavirus disease and preparation method thereof

The invention discloses mixed freeze-dried powder for preventing porcine Bocavirus disease and a preparation method thereof. The mixed freeze-dried powder comprises the following components in parts by weight: 94 to 97 parts of porcine bocavirus disease preventing yolk antibody, 1 to 2 parts of porcine bocavirus disease preventing transfer factor, 0.01 to 0.02 part of antiseptic, 0.2 to 0.3 part of inactivating agent, 0.05 to 0.1 part of selenium, 0.5 to 1 part of vitamin C, 1 to 2 parts of polyvinylpyrrolidone, and 0.5 to 1 parts of glycine. The mixed freeze-dried powder is prepared by compounding the porcine bocavirus disease preventing yolk antibody and porcine bocavirus disease preventing transfer factor, at the same time a plurality of auxiliary materials are added to enhance the effect, the components cooperate with each other, and thus the effect on preventing and treating porcine bocavirus disease is prominently improved. The freeze-dried powder has the advantages of strong pertinency ...

Preparation of remixed yeast for producing single-cell protein by soybean whey waste water

Sulphating modification method of gynostemma pentaphylla polysaccharide

The invention discloses a sulfating modification method of a gynostemma pentaphylla polysaccharide, comprising the following steps: taking gynostemma pentaphylla polysaccharide, adding 87.5ml/g N, N-dimethylformamide (DMF), carrying out ultrasonication on the mixture for 20 minutes; then adding chlorosulfonic acid and pyridine with a volume ratio of 1:8 to the mixture and carrying out reaction onthe mixture for 2 hours at 90 DEG C; finally, separating and purifying the mixture to obtain the sulphated gynostemma pentaphylla polysaccharide. In the invention, the chlorosulfonic acid and the pyridine are subject to sulphating modification on the gynostemma pentaphylla polysaccharide, and proportioning, reaction time and reaction temperature of the chlorosulfonic acid and pyridine according to the method are optimized, so that the method is easy to operate; in addition, the DMF is subject to decentralized processing on the gynostemma pentaphylla polysaccharide prior to modification, as a result ...

Veterinary doxycycline hydrochloride injection and preparation method thereof

The invention discloses a veterinary doxycycline hydrochloride injection and a preparation method thereof. 100 ml of injection mainly comprises the following components by weight: 10 to 30 g of doxycycline hydrochloride, 1 to 3 g of complexant, 1 to 5 g of cosolvent, 0.5 to 1 g of antioxidant, 10 to 30 g of antibacterial synergist, 30 to 60 g of organic solvent, 5 to 10 g of triethanolamine and the balance of water for injection. In the veterinary doxycycline hydrochloride injection of the invention, methoxybenzylaminopyrimidine compounds and sodium sulfate or sodium sulfite serving as synergists are adopted to be combined with the doxycycline hydrochloride so as to improve the complexation degree of the doxycycline hydrochloride and the complexant, reduce the temperature of complex reaction, and improve the stability of the doxycycline hydrochloride; and the methoxybenzylaminopyrimidine adopted by the invention is a synergist, can extend the maintenance time of effective blood concentration ...