32results about How to "Avoid poisoning risk" patented technology

Provided is a method for cultivating selenium-enriched wheat plant materials. The selenium content in selenium-enriched garlic plant materials is 1 mg/kg to 1000 mg/kg, and selenium which exists in an organic selenium (methyl selenocysteine) form accounts for 85% of the total selenium content. The method is characterized by comprising the steps that selenium-enriched nutrient solution with a selenium source is applied at the elongation stage of wheat, and meanwhile, the effective quantity of selenium source adsorbents or catalysts for physical adsorption of the selenium source are added. According to the method, stable and effective selenium source supply is provided for wheat to promote absorption and accumulation of selenium in wheat, the selenium element is effectively transformed to the organic selenium form from the inorganic selenium form, and the risk that excessive selenium poisons the wheat growth environment is avoided. The method solves the problems that in the prior art, selenium durability in plant materials is short, and selenium is prone to being reduced in the environment and is low in utilization rate.

The invention discloses an anti-pathogen hyperimmune yolk antibody, an AAV vector vaccine based preparation method and a preparation. The preparation method of the hyperimmune yolk antibody comprisesthe steps of selecting a first gene sequence containing an antigen protein fragment from a genomic sequence of a pathogen, and synthesizing a pathogen protective antigen gene through codon optimization; packaging a recombinant AAV vector vaccine carrying the antigen gene; and immunizing a healthy laying hen, and preparing the yolk antibody from a hen egg of the laying hen. According to the method,recombinant adeno-associated viruses with high safety, quick and simple packaging, low cost and stable expression are used as the vector vaccine for expressing protective antigen proteins of virusesor bacteria, the hen egg can be collected by immunizing the healthy laying hen once, the antivirus or antibacterial yolk antibody as an active component in yolk is extracted, and the antibody is natural immune globulin and can kill the viruses or bacteria and prevent viral or bacterial infection.

The invention discloses a carboprost 15-site isomer impurity separation technical method, and belongs to the technical field of pharmaceutical chemical separation. The method comprises the steps: carrying out PG protection on the compound B with the 15-site hydroxyl tertiary alcohol to obtain 15-site S-type carboprost D and 15-site R-type carboprost E (forming the 15-site hydroxyl tertiary alcohol compound C), and separating to obtain a pure product of the 15-site carboprost D or the 15-site carboprost E. On the basis, the invention also provides a method for preparing the carboprost series products, wherein the method is suitable for industrial amplification. According to the method, after proper protecting group derivation, the isomer can be separated by adopting common silica gel column chromatography, the operation is simple, the quality of the obtained product meets the requirement, the production cost is greatly reduced, and the comprehensive benefit of the product is improved.

The invention provides a variable region sequence of a mouse monoclonal antibody specifically binding to canine adenovirus type 2 fiber protein, and an antibody specifically binding to canine adenovirus type 2 fiber protein conformational epitope. The antibody can be used for preparing kits and pharmaceutical compositions. The kit provided by the invention overcomes the problem of low detection sensitivity in the prior art, avoids missing detection and false negative phenomena, can detect various targets, and has the advantages of rapidness, simplicity, convenience and accuracy; and the pharmaceutical composition disclosed by the invention can be used for effectively preventing and treating diseases caused by CAV-2.

The invention provides a rabies virus diagnostic reagent kit. The working conditions of the diagnostic reagent kit are optimized into the following optimal conditions that the optimal coating solution is 50mmol/L carbonate buffer solution with the pH value of 9.4; the optimal confining liquid concentration is 1 percent of BSA-PBS (Bovine Serum Albumin-Phosphate Buffer Solution); the optimal antigen coating quantity is 8g/mL; the optimal dilution of a serum is 1:300; the optimal action time of the serum is 1h; the optimal dilution of a secondary antibody is 1:5,000; the optimal action time of the secondary antibody is 1h; and the optimal color development of a substrate is 25min. According to the reagent kit, an envelope protein expressed by a rabies virus gene replaces a totivirus coated elisa plate so as to avoid the virus dispersing risk of the antibody, which is generated due to the case that a great amount of purified viruses are cultured for coating. The reagent kit has high sensitivity, high accuracy and low production cost, and is simple, rapid and convenient to operate.

The invention discloses a detergent for fruits and vegetables, which consists of the following components in parts by weight: 20-30 parts of traditional Chinese medicine extract, 3-5 parts of emulsifying solubilizer, 5-10 parts of tea soap powder, and saponin powder 5‑8 parts, 6‑12 parts of sodium chloride, 10‑15 parts of triethanolamine oleate, 8‑12 parts of diethylene glycol monovinyl ether, 5‑8 parts of sodium oleate, 3‑7 parts of fumaric acid , 1.5-2.4 parts of sodium dihydrogen phosphate, 3-6 parts of sucrose fatty acid ester, 4-7 parts of coconut oil, 8-14 parts of sodium citrate, 4-6 parts of polyquaternium salt, 9-17 parts of ethanol, purified 40‑60 parts of water. The present invention is characterized by the in-depth development of traditional Chinese medicine, with effective bacteriostasis and sterilization as the core function, low drug residue, no phosphorus-containing components, more environmentally friendly, unique and simple detergent formula, which can meet the public's requirements for natural, environmental protection, high-efficiency decontamination, Antibacterial needs make fruits and vegetables more hygienic and avoid the risk of poisoning. The product has high biodegradability, which is in line with modern people's pursuit of green life philosophy.

The invention relates to a straw returning type planting method of selenium-enriched garlic. The planting method comprises the steps of land selection and soil preparation, seed garlic selection, selenium-enriched matrix preparation, garlic pre-treatment, sowing and seedling raising, field management, timely harvesting and the like. According to the method, crop straw of the previous season is returned to the field to serve as a part of base fertilizer, the content of Se in soil is increased, then the planted garlic becomes the selenium-enriched garlic, and the consumption of chemical fertilizer is reduced; the content of selenium in the planted garlic is 3-2500 mg/kg, and the selenium existing in the form of selenium methylselenocysteine accounts for 87.8% or above of the total selenium content. The method is easy and convenient to operate, easy to manage, few in disease and insect pest, safe, environmentally friendly and low in production cost. The planted garlic is rich in nutrition, the selenium content is high, the economic value of the garlic is improved, the problems that cultivation is limited by soil and soil quality conditions, the selenium content is low and the environment pollution is severe, and the method is worthy of application and popularization.

The invention relates to a device and method for adsorption synergizing low temperature plasma to catalyze and treat waste gas. The device comprises an air inlet pipe, a first air pipe, an adsorptionunit, a second air pipe and an air exhaust pipe which are sequentially connected; switch valves are arranged on the air inlet pipe and the air exhaust pipe; the device further comprises a plasma generating unit and a desorption waste gas treatment unit; the plasma generating unit is connected with an air injection branch pipe, an air switch valve is arranged on the air injection branch pipe, the plasma generating unit is connected with the air exhaust pipe through a fifth air pipe and an air exhaust compression pump mechanism arranged on the fifth air pipe, and the air exhaust pipe is connected with a tail gas treatment unit; and an adsorption agent and a catalyst are arranged in the adsorption unit. The adsorption agent desorption and regeneration effect of the device is better, the degradation efficiency to VOCs (volatile organic chemicals) is higher, and the harmful substances and active substances in the tail gas are less; the problem that high-concentration waste gas is directly treated by a low temperature plasma generating unit and thus explosion risks exist is avoided, and the problems that the space is limited, and the by-products are more when the catalyst is placed in the low temperature plasma generating unit are avoided.

The invention discloses blood-glucose-reducing Mulgedium tataricum tea and a preparation method thereof, belonging to technical field of preparation of health tea drink. The blood-glucose-reducing Mulgedium tataricum tea is prepared from 1-3 parts of Mulgedium tataricum, 1-3 parts of corn stigma and 1-3 parts of lotus leaf through drying, mixing, crushing and sieving. The preparation method comprises the following steps: (1) taking 1-3 parts by mass of Mulgedium tataricum, 1-3 parts by mass of corn stigma and 1-3 parts by mass of lotus leaf; and (2) drying the raw materials in the step (1), mixing, crushing, sieving by a 40-mesh screen, packaging into bags, and sterilizing to prepare the blood-glucose-reducing Mulgedium tataricum tea. According to the blood-glucose-reducing Mulgedium tataricum tea, the inhibition activity of alpha-glucosidase of Mulgedium tataricum is used as a main function for reducing blood glucose, the diuresis-promoting, heat-clearing and choleretic effects of corn stigma and the heat-clearing, lipid-lowering and anti-oxidation functions of the lotus leaf are combined, the postprandial blood glucose value can be reduced, the diabetic ketoacidosis risk is avoided, and the damage of diabetic complication to a human body can be prevented. The preparation method has simple operation steps, has low equipment requirements and is favorable for large-scale production.

The invention belongs to the technical field of PTA production, and particularly relates to a residual liquid recovery system of a PTA hydrogen recovery device. The residual liquid recovery system comprises a residual liquid discharging tank and is further provided with a residual liquid recycling tank, and the residual liquid discharging tank is connected with the residual liquid recycling tank through a residual liquid main pipeline; a residual liquid conveying pump is arranged on the side surface of the residual liquid recycling tank, and residual liquid is conveyed to a PTA production oxidation device through the residual liquid conveying pump; and the residual liquid recycling tank is also provided with a liquid level meter, a gas phase emptying pipeline, an overflow discharge pipeline, a field pressure gauge and a tank bottom discharge valve. The residual liquid recovery system can solve the problem of existing residual liquid recovery, has residual liquid flow continuous controllability and constant temperature anti-freezing performance, eliminates the possibility of hydrogen gathering explosion from the source, and greatly reduces the possibility of environmental pollutioncaused by manual operation and the volatility of toxic and harmful substances under non-closed conditions.

The invention belongs to the technical field of iron-based alloys, and particularly relates to a high-strength galvanized steel sheet manufacturing method.The high-strength galvanized steel sheet manufacturing method comprises a galvanizing device, adjusting devices are slidably connected to the left side and the right side of the upper portion of the outer surface of the galvanizing device, pressure devices are arranged on the lower portions of the inner walls of the adjusting devices, and the galvanizing device comprises an electrolytic tank; a penetrating rotating opening is formed in the middle of the lower portion of the inner wall of the electrolytic tank, the lower portion of the inner wall of the electrolytic tank is fixedly connected with a vertical guide shell through the penetrating rotating opening, and a threaded rotating groove is formed in the inner wall of the vertical guide shell. Compared with a common steel plate, the anti-pressure capacity and toughness of the device are improved through the rock wool sandwich layer in the galvanized steel plate sleeve, when the galvanized steel plate sleeve on the outer layer is impacted, the rock wool sandwich layer on the inner layer can effectively absorb the impact force, the impact force borne by the other side of the galvanized steel plate sleeve is greatly reduced, and the service life of the device is prolonged. And therefore, the impact resistance of the galvanized steel sheet is relatively high.

The invention discloses a synthetic method for the drug intermediate 1,4,9(11)-pregnatriene-16alpha-methyl-17alpha,21-diol-3,20-dione-21-acetate. The synthetic method comprises the following steps: adding 2-hydroxy-4,9(11)-pregnadiene-16beta-methyl-17alpha,21-diol-3,20-dione-21-acetate and a propionitrile solution into a reaction vessel, raising a solution temperature, adding potassium peroxydisulfate and carrying out a reaction; and raising the solution temperature, adding chloroauric acid powder and a sodium sulfate solution, continuing the reaction, adjusting a pH value, carrying out standing, then carrying out washing with a sodium chloride solution a plurality of times, then carrying out washing with an ethylbenzene solution a plurality of times, then carrying out recrystallization inan ethylene glycol dimethyl ether solution, and carrying out dehydration with a dehydrating agent to obtain the finished 1,4,9(11)-pregnatriene-16alpha-methyl-17alpha,21-diol-3,20-dione-21-acetate.

A blast furnace coil base electric locomotive automatic control method and a blast furnace coil base electric locomotive automatic control system belong to the field of blast furnace ironmaking, and the method comprises the following steps: confirming that an electric locomotive is in an original position and no locomotive exists below a coil base, starting the electric locomotive to advance to a waiting position, and automatically stopping the electric locomotive; the molten iron vehicle set enters a coil base and is coupled with the electric locomotive in the waiting position, the electric locomotive drives the molten iron vehicle set to move, molten iron tanks on the molten iron vehicle set are aligned to a blast furnace tap hole one by one, and tapping is completed; after tapping is completed, the locomotive is commanded to enter a coil base, and the molten iron train set is pulled out; and the electric locomotive automatically stops after returning to the original position, and the electric locomotive runs to the waiting position according to a preset value of the distance from the original position to the waiting position and automatically stops to wait for tapping. The automatic control method and system of the electric locomotive are used for being matched with safe tapping of a blast furnace, automatic alignment of tapping of a coil base of an iron and steel enterprise is achieved, the labor intensity is reduced, and the safety risk of operators is reduced.

The invention discloses a high-efficiency energy-saving heating cooking bench boiler. The high-efficiency energy-saving heating cooking bench boiler comprises a furnace body, a base and a stainless steel furnace plate, wherein the furnace body comprises a furnace liner container and a furnace outer container; the interior of the furnace liner container is divided into a boiler body and a cooking range body through a first channel and a second channel; the boiler body is arranged at the left side of the cooking range body; ash outlets are formed in the base below the boiler body and the cooking range body; the cooking range body also comprises a burner, a furnace mouth and a smoke outlet; a fire grate is arranged at the bottom of the boiler body; a furnace hearth is arranged above the fire grate; a fire lighting door is arranged in the front of the furnace hearth; a fire sealing baffle plate is arranged at the upper part of the furnace hearth; a gasification chamber is arranged in the middle of the fire sealing baffle plate; and a coal storage chamber is arranged above the fire stealing baffle plate. The high-efficiency energy-saving heating cooking bench boiler has the beneficial effects that the boiler is simple in structure, low in construction cost, high in heat efficiency, convenient, labor-saving, energy-saving, environmental-friendly, time-saving, safe and sanitary, can be used for cooking and heating, does not exhaust black smoke and effectively avoids the risk of carbon monoxide poisoning, fuels and expenditure are saved, the cost is reduced, and meanwhile multiple fuels can be used.

The invention discloses a livestock and poultry external parasite prevention externally-applied drug. The livestock and poultry external parasite prevention externally-applied drug is prepared from, by weight part, 1-1.3 parts of pure rice wine, 1-1.3 parts of edible white vinegar and 10-12 parts of rice washing water. A processing method of the livestock and poultry external parasite prevention externally-applied drug comprises uniformly mixing the pure rice wine, the edible white vinegar and the rice washing water and standing the mixture for more than 10 minutes to obtain the livestock and poultry external parasite prevention externally-applied drug. The livestock and poultry external parasite prevention externally-applied drug is simple in preparation, convenient to use and easy to operate and keeps the natural state and bioactivity of structural components, and through thousands of practical screening, achieves significant treating effects. The livestock and poultry external parasite prevention externally-applied drug is non-toxic to human and animal and free from pollution and residue.