58 results about "Blue Vitriol" patented technology

The invention provides a humidity indicator which does not contain cobalt chloride. The humidity indicator comprises a vector. A solvent for the vector is water, and the main compositions by mass percentage of the vector in the solution are 10 to 30 percent of bluestone or blue vitriol and 0.5 to 12 percent of bromine salt; and the solution is used for discoloration. The indicator has wide indicating range (can indicate 5 to 80 percent of the ambient humidity) and high sensitivity. The indicator is brown before absorbing the humidity and is converted into cyan after absorbing the humidity, so that the indicator has obvious discoloration effect and high sensitivity.

The invention relates to a copper-coated composite powder preparation method, which his characterized in the following steps; adding rapidly reducing iron powder into blue vitriol solution containing stabilizer and with pH of 0.1-6.5 under the condition of stirring; stirring for 2-10 minutes to make copper cover on surface of iron particles and get copper-coated composite powder; settling the solution for 1-20 minutes and pouring the upper supernatant; washing the deposit repeatedly till it carrying on neutral; Reducing and screening it; and subjecting it to oxidation-resistant process. The invention can make copper cover on iron particles evenly, tightly and firmly, and increase the anti-oxidation susceptibility.

The invention relates to technology of disinfecting soil and preventing and curing crop pests, in particular to a wood vinegar soil disinfectant and a preparation method thereof, which solves the problem that the yield and the quality of vegetables are influenced because of serious silborne pests in facility vegetable fields. The wood vinegar soil disinfectant comprises the following compositions that: each 90 to 95 liters of refined wood vinegar contains 1.0 to 2.0 kilograms of blue vitriol, 1.0 to 2.0 kilograms of iron vitriol, and 5 to 10 kilograms of abamectin technical products. The preparation method comprises the following steps: weighting up the blue vitriol, the iron vitriol and the abamectin technical products in portion by weight; pouring the materials into a container filled with the refined wood vinegar respectively; fully dissolving the blue vitriol, the iron vitriol and the abamectin technical products by fully stirring; evenly mixing the materials; loading the mixture into a plastic container; and obtaining the finished product. The wood vinegar soil disinfectant and the preparation method thereof have the advantages of friendly environment, simple process and low cost. The wood vinegar soil disinfectant can be diluted by 300 to 500 times by adding water, and then is irrigated into crop roots or sprayed on the soil surface in practical application.

The invention relates to plant nutrition and fertilizer technology, in particular to a cheese ball lettuce water culture nutrient solution and a preparation method thereof. The mother liquor of the nutrient solution comprises the following components: 50 to 60g / L of tetrahydrate calcium nitrate, 80 to 100g / L of niter, 5 to 7g / L of ammonium nitrate, 18 to 20g / L of heptahydrate magnesium sulfate, 5 to 6g / L of potassium sulfate, 20 to 25g / L of phosphoric acid, 1 to 2g / L of ethylenediamine tetraacetic acid, 0.2 to 0.4g / L of boric acid, 0.1 to 0.3 g / L of tetrahydrate manganese sulfate, 0.05 to 0.1g / L of heptahydrate zinc sulfate, 0.05 to 0.1g / L of blue vitriol, 0.02 to 0.04g / L of tetrahydrate ammonium molybdate, 0.2 to 0.3g / L of sodium azide, and the balance being water. The preparation method comprises the following steps: respectively dissolving the macroelements, medium elements and microelements in water, carrying out the even mixing, setting the volume, obtaining the mother liquor, and obtaining the nutrient solution which is prepared by mixing mother liquor and water pro rata. The invention has the advantages of simple process, sufficient raw materials, and easy implementation. The invention solves the problem of the nutrient supply for the water culture industrialized production of cheese ball lettuce.

The invention discloses a preparation method of a cubic cuprous oxide nano material. The method is characterized by successfully obtaining the cubic cuprous oxide material by using blue vitriol as a copper source and glucose as a reducing agent and using a liquid phase reduction method and a hydrothermal method. The preparation method has the beneficial effects that the raw materials needed for preparation are rich, are low in costs and do not produce wastes; the preparation process is simple and has good repeatability; the prepared cubic cuprous oxide nano material is widely applied to photocatalysis, gas sensitive materials, antibacterial materials and the like.

The present invention discloses a medicine for preventing and curing ginger infection disease with obvious effect. Its composition includes (by weight portion) 1 portion of borneol, 1.5-3.0 portions of blue vitriol and 1.5-3.0 portions of quicklime.

The invention discloses a medicament composition treating hemorrhoids and a preparation method thereof. The medicament composition is mainly composed of alum, blue vitriol, myrrh, muskiness, borneol and other medicines. The medicament composition comprises step of crushing alum and blue vitriol into crude powder, pouring into a subliming jar, cooking with slow fire, raging fire and slow fire sequentially; calcining ebony, de-oiling myrrh, crushing de-oiled myrrh, cooked medicines and other medicines into fine powder, thus obtaining the medicament composition. The medicament composition has heat-clearing and dampness-eliminating, astringency and hemostasis, rotten muscle-eliminating and muscle-generating, bump-eliminating and bruise-eliminating functions, and relatively good curative effect for inner and outer hemorrhoids, hematochezia, ache, prolapsus, septic ulcer etc.

The invention relates to the technical field of crop pests controlling technology, and particularly relates to a composition for controlling invertebrate crop pests such as snails or the like, and a preparation method and an application thereof. The composition for controlling crop pests comprises carboxymethylcellulose sodium and blue vitriol and is used for controlling snail type pests. Compared with the prior art, the composition has a synergistic effect of the carboxymethylcellulose sodium and the blue vitriol on the contacted snail type pests, so that the snail type pests are prevented from continued creeping and harming related crops by means of stimulation on their sense organs, and other parts of the crops is [are] prevented from being polluted by insecticides. Furthermore, the composition can be effectively prevented from being washed by rainwater, and thereby a stable and lasting controlling effect can be maintained. A green and environment-friendly type pest-preventing operation is achieved without any safety hidden trouble.

The invention relates to a compound preparation with functions of killing pests and weeding, belonging to the technical field of pesticides. The compound preparation is prepared from glyphosate, blue vitriol, a traditional Chinese medicine composition, a surface active agent, an emulsifying agent, a stabilizing agent, a defoaming agent and water, wherein the traditional Chinese medicine composition is prepared from the following raw materials: datura metel L, cortex meliae, ailanthus altissima leaves, pine needle pieces, cinnamomum camphora leaves, pericarpium zanthoxyli, radix euphorbiae lantu, rehmannia root, sea-buckthorn and cacumen platycladi. The compound preparation with the functions of killing pests and weeding is good in pesticide effect, can achieve a good effect of killing the pests while weeding, and is lasting in pesticide effect, low in toxicity and easily decompose; the traditional Chinese medicine composition added into the compound preparation is safe and healthy, and has killing and controlling effects for the pests; the traditional Chinese medicine composition has a synergistic effect with the glyphosate, so that the comprehensive effectiveness of the traditional Chinese medicine composition and the glyphosate is fully exerted, and the compound preparation has a pest control effect while weeding.

The invention discloses a method for preparing diphenyl ether, which comprises the following steps of: generating saline solution of phenol through phenol and alkali; removing water in a system by back flow of benzene chloride; and under the condition of the existence of a catalyst, performing Ullmann reaction by dripping benzene chloride to generate a target compound. In the method, phenol is used as the raw material and is also used as a solvent; and the catalyst is a wet material of blue vitriol or cuprous chloride or a mixture of the wet materials of blue vitriol or cuprous chloride. The method has low production cost. No solid waste is generated. The yield is high. The product has high quality.

The invention discloses a chemical copper plating solution of the surface of zinc alloy and a copper plating process of the surface of the zinc alloy, and belongs to an electroless treatment technology of the surface of the zinc alloy. The chemical copper plating solution comprises 5 to 7g / L blue vitriol, 30 to 70g / L complexing agents, 90 to 120g / L sodium hydroxide, 4 to 10g / L sodium hypophosphite, 90 to 110mg / L 2, 2'-bipyidine and 10 to 20mg / L potassium ferrocyanide, and is a chemical copper plating solution which does not contain compositions such as formaldehyde, acetaldehyde, and the like which are great dangerous for human bodies, has high stability, and is environment-friendly, steady and practical. Besides, the chemical copper plating process of the surface of the zinc alloy, which is provided by the invention, comprises the working procedures of oil removal, activation, chemical plating, and the like, is simple and environment-friendly, is easy to realize, overcomes the problem that chemical copper plating of the zinc alloy is difficult to start, is an environment-friendly, economical and practical chemical copper plating process, and has a good application prospect.

The invention belongs to the technical field of traditional Chinese medicines and relates to a traditional Chinese medicine composition for preventing and treating poultry mycotic gland and muscular gastritis. The traditional Chinese medicine composition is prepared from 3-10 parts by weight of dry ginger, 10-15 parts by weight of bletilla striata, 8-10 parts by weight of pilose asiabell root, 10-15 parts by weight of bighead atractylodes rhizome, 5-10 parts by weight of bitter orange, 10-15 parts by weight of malt, 3-9 parts by weight of licorice root, 10-15 parts by weight of rhizoma smilacis glabrae, 8-10 parts by weight of blue vitriol and 10-20 parts by weight of montmorillonite. The traditional Chinese medicine composition is prepared from multiple traditional Chinese medicines as raw materials. The raw materials produce synergism and have effects of preventing mildew, removing toxins, invigorating spleen, promoting appetite, eliminating dampness and stopping diarrhea. The traditional Chinese medicine composition has a high cure rate and low side effect and is worthy of popularization.

The invention provides a method for preparing submicron copper powder by sulfuric acid-process chemical reduction. The method comprises the following steps of: adding sulfuric acid into the mixed solution of solution of soluble sulfate and solution of colloid; adding iron sheets into the mixed solution for performing a reaction to generate high-reducibility hydrogen; adding anhydrous cupric sulfate or blue vitriol twice into the mixed solution; controlling temperature and stirring speed under the action of the high-reducibility hydrogen; and reducing copper ions into copper atoms. In the method, high-activity and low-cost hydrogen is taken as a reducing agent, so that cost is lowered and yield is increased; particle control technology is adopted, so that the obtained copper powder has fine particles, high purity and high oxidation resistance; and micro copper powder is suitable for industrial mass production and wider product use.

The invention discloses a preparation method of a hollow sphere shaped cuprous oxide nano material. The method is characterized by successfully obtaining the hollow sphere shaped cuprous oxide material by using blue vitriol as a copper source and glucose as a reducing agent and using a liquid phase reduction method and a hydrothermal method. The preparation method has the beneficial effects that the raw materials needed for preparation are rich, are low in costs and do not produce wastes; the preparation process is simple and has good repeatability; the prepared hollow sphere shaped cuprous oxide nano material is widely applied to photocatalysis, gas sensitive materials, antibacterial materials and the like.

The invention discloses a magnesite material and a preparation method thereof, and belongs to the technical field of waterproof materials. The preparation method comprises the steps that walnut shellsare ball-milled, smasheding and sieveding are carried out, and walnut shell powder is obtained; the walnut shell powder is subjected to nitrogen charging, heat preservation, carbonization and then cooling, and carbonized walnut shell powder is obtained; the carbonized walnut shell powder is stirred to be mixed with a saturate calcium hydroxide solution, and mixed slurry is obtained; carbon dioxide is injected into the mixed slurry, and pre-treated carbonized walnut shell powder is obtained after filtering and drying are conducted; the pre-treated carbonized walnut shell powder is fumigated with nitrogen containing trimethylaluminum, and modified carbonized walnut shell powder is obtained; light calcined magnesia powder, magnesium chloride hexahydrate, a filler, water, sodium alginate liquid, the modified carbonized walnut shell powder and a silane coupling agent are subjected to ultrasonic dispersion, and dispersed slurry is obtained; and the dispersed slurry, ammonium nitrate, blue vitriol and an emulgator are stirred to be mixed, and the magnesite material is obtained. The magnesite material has excellent hydrolytic resistance and mechanical properties, and the problems of moisture absorption back to halogen and scumming and baring of the system can be effectively avoided.

The invention relates to a method for detecting gonococcocci in female genital secretion and a reaction pad used by the method, which belong to the technical field of biological chemistry detection. The reaction pad is provided with liquor (an oxidase reagent) prepared by mixing 0.1-2mg\ml ascorbic acid and 10-12mg\ml hydrochloric tetramethyl-p-phenylenediamine in a volume ratio of 1:500, and a 0.1-1mg / ml blue vitriol solution (an auxiliary reagent), wherein the volume ratio of the oxidase reagent to the auxiliary reagent is 1:1. The ascorbic acid with certain concentration is added into an oxidase substrate, so that the stability of the hydrochloric tetramethyl-p-phenylenediamine is enhanced, and further, the reaction pad is unlikely to be oxidized and convenient to store; the auxiliary reagent, namely the blue vitriol, acts between the substrate and a sample as a color reagent, so that the detection method is flexible, and fast clinic screening is convenient.

The invention discloses a fiber-surface chemical plating technology used for a fiber grating sensor. The fiber-surface chemical plating technology includes the following steps: A, a fiber base body is preprocessed, and a preprocessed piece is obtained; and B, the preprocessed piece is arranged in plating liquid for chemical plating, wherein one liter of plating liquid comprises 9g to 12 g of blue vitriol, 15 g to 20 g of seignette salt, 25 g to 35 g of sodium hypophosphite, catalysts and oxidation-reduction indicators. According to the fiber-surface chemical plating technology, the surfaces of fibers are metalized in a chemical copper plating manner, and the temperature sensitivity and the strain sensitivity of the fibers are improved.

The invention discloses a compound Chinese herbal medicine condensed feed additive for meat goats in Karst mountainous areas in the southwest. The additive has a reasonable ratio and comprehensive nutrition, and is suitable for growth of meat goats in Karst mountainous areas in the southwest. The compound Chinese herbal medicine condensed feed additive for goat comprises the following ingredientsby weight: 0.25-0.55% of blue vitriol, 0.2-0.65% of ferrous sulphate monohydrate, 0.5-0.9% of manganese sulfate monohydrate, 2.5-3.0% of monohydrate zinc sulphate, 1.4-1.9% of iodine, 0.6-1.0% of selenium, 1.0-1.4% of cobalt, 7.1-7.5% of magnesium oxide, 0.3-0.35% of vitamin A, 0.1-0.2% of vitamin D3, 0.6-1% of vitamin E, 1.5-2.0% of monensin, 5.0-5.5% of compound Chinese herbal medicine, 25-35% of shell powder and 40-50% of corn flour, wherein the compound Chinese herbal medicine comprises 5% of epimedium, 25% of sweet wormwood, 45% of honeysuckle flower and 25% of green tea. The additive has a reasonable ratio, comprehensive nutrition, reliable quality, so that the additive can enable meat goats to grow fast, effectively reduce goat alimentary canal pathogen, remove and adsorb mycotoxinin forage grass, and prevent the forage grass from moulding.

The invention discloses a traditional Chinese drug named as 'qukedan' therapying the oesophagus cancer, formed mainly from Lapis Chloriti, Borax, Salmiac, Cormu satgae, Borneol, Blue vitriol, Agilawood, Arenobufagin, Pangolin, Bezoar, Musk and Sesame oil at a certain proportion by weight. The 'qukedan' has effects such as blood-cooling, detumescence, dissipating hard mass, dissolving membrane, rupturing membrane, getting through the tumour of gullet. The usage of the 'qukedan'is that: when the patients suffering from gullet tumour and carcer can not eat anything even water, the serious ones keep one pill in mouth for half an hour until the stickies in a mixed color of red, white and yellow with mucosity and sticky foam are spitted, therefore the tumour is dissolved and broken. When the paitients can eat liquid diet, the time for keeping one pill in mouth is changed to be three hours. After continual keeping one pill in mouth for three days, the paitient stops taking the 'qukedan'. The 'qukedan' is a hereditary skill handed down from five ancestors, making contributions for therapying the oesophagus cancer. The 'qukedan' can make the tumor membrane break and drop out. therefore the lumen is broadened and unobstructed. The 'qukedan' can also avoid the patients dying from thirst and starvation and reduce patients pain of operation and the expensive operation cost.

The invention relates to a recycling device, in particular to an environment-friendly type recycling device for an industrial heat exchange element. In order to solve the technical problems, the invention provides the environment-friendly type recycling device for the industrial heat exchange element, and the environment-friendly type recycling device is not liable to contaminate the environment. The environment-friendly type recycling device comprises a first bevel gear, a second bevel gear, a first rotary shaft, a first bearing base, a second bearing base, a small belt wheel, a flat belt, a second rotary shaft, a third bearing base and the like, wherein a bracket is positioned at the left side of a first slide rail; the third bearing base, a fourth bearing base and a motor are sequentially connected on the inner wall in the bracket from top to bottom in a bolt connecting mode. The environment-friendly type recycling device achieves the beneficial effects of being not liable to contaminate the environment; and an infusion pump, a blue vitriol solution tank, a hose, a spray head, a supporting rod, a second stay cord and a third wire winding wheel are arranged, so that copper can be replaced quicker.

The invention discloses a premix compound for increasing the litter size of a sow and prolonging the service period. The premix compound comprises the following components in weight part: 2 to 4 parts of phytase, 0.1 to 0.4 parts of folic acid, 0.2 to 0.6 parts of biotin, 1 to 2 parts of Beta-carotene, 6 to 9 parts of Rovimix of 456 type, 10 to 20 parts of 65%lysine, 6 to 12 parts of arginine, 200 to 300 parts of calcium hydrophosphate, 10 to 30 parts of 50% choline chloride, 1 to 2 parts of 1% potassium iodide, 0.5 to 1 part of 1% sodium selenite, 2 to 4 parts of manganese sulfate monohydrate, 1 to 3 parts of blue vitriol, 6 to 10 parts of ferrous sulfate monohydrate, 6 to 10 parts of zinc sulphate monohydrate, 200 to 400 parts of stone powder, 60 to 120 parts of leonurus, 20 to 60 parts of boxthorn fruit, 1 part of anti-oxidant, 80 to 150 parts of dairy salt and 60 to 120 parts of zeolite powder. The premix compound can increase the litter size of the sow by more than one, and the sow can give birth to 2 more piglets per year; and the service period of the sow can be prolonged by 1 year.

The invention relates to an externally-applied traditional Chinese medicine for treating neurodermatitis. According to a formula, the externally-applied traditional Chinese medicine comprises the following components by weight: 10-14g of herba schizonepeta, 12-18g of radix saposhnikoviae, 28-32g of radix sophorae flavescentis, 18-22 parts of hop, 28-32g of belvedere fruits, 12-18g of mild chrysanthemum, 28-32g of rhizoma smilacis glabrae, 12-18g of verbena, 12-18g of periostracan cicadae, 12-18g of siberian cocklebur fruits, 10-14g of pepper, 10-14g of alum, 10-14g of blue vitriol and 13-17g of root barks of tree peony.

The invention relates to a prevention and control method of sooty mold of oil-tea camellia trees, and belongs to the technical field of planting of oil-tea camellia. The prevention and control methodcomprises the following steps: after pruning and trimming the oil-tea camellia trees in winter, spraying a solvent prepared from limestone, straw ash, a phytolacca acinosa green fruit grinding solution, blue vitriol, white vinegar and water; when each oil-tea camellia tree averagely has 1 to 5 leaves with scabs, spraying a solvent prepared from tree grape stem and leaf ethanol extract, folium artemisiae argyi whole plant ethanol extract, hibiscus bark ethanol extract, oxalic acid and water; meanwhile, turning on a strong-light lamp with a red and blue light source in an oil-tea camellia planting land, so as to irradiate leaf surfaces of the oil-tea camellia trees. According to the prevention and control method provided by the invention, when the oil-tea camellia trees are pruned and trimmed in winter, the solvent with sterilization and insect toxin removing effects is sprayed, so that the aim of preventing the sooty mold from recurring in the next year is realized; then when the sootymold recurs, the solvent with strong insect-repelling and sterilization effects on the sooty mold is sprayed, so that the aim of inhibiting and treating the sooty mold is realized.

The invention discloses a traditional Chinese medicine oral aerosol comprising the selected raw material medicines: ligusticum chuanxiong, cortex phellodendri, radix ophiopogonis, mirabilite, mint, radix saposhnikoviae, pollen, fructus forsythiae, calculus bovis, airpotato yam rhizome, blue vitriol, borneol, cinnamomum camphora, catechu, rhizoma corydalis, and aloe. All the drugs are sophisticated in compatibility and neutral and mild in prescription, can effectively target to the pathogenesis, together play the efficacies of clearing stomach and cooling blood, relieving swelling and stopping pain, astringing sores and promoting granulation, and clearing heat and detoxifying, remove and purge fire by adjusting a human body oral environment, and adjust a human body local immune system to achieve the purpose of treatment of gingivitis, gingival pain and swelling, and rupture and boil growing of mouth and tongue. The traditional Chinese medicine aerosol has the advantages of being easy to carry, rapid in acting, remarkable in treatment effect, and worthy of wide application and popularization in clinic.

The invention discloses a making method for purple bronze ceramic artwork. The making method comprises the following steps: weighing potassium dichromate, blue vitriol, bronzite, nanometer silicon boride, a fluorine-containing additive and AS resin in proportion, successively carrying out uniform mixing, levigation, calcining, crushing, processing and grinding so as to obtain a colorant; weighing the colorant and lime glaze in proportion and preparing a purple bronze glaze; immersing a prepared ceramic green clay body into transparent glaze slip so as to allow a glaze layer to be laminated on the surface of ceramic, taking the ceramic green clay body out for drying after the thickness of the ceramic surface glaze layer meets requirements and then carrying out sintering in a kiln so as to obtain a semi-finished ceramic product; and immersing the obtained semi-finished ceramic product into the purple bronze glaze, taking out the semi-finished ceramic product out for drying after completion of immersion and sintering the semi-finished ceramic product in the kiln. The glaze layer of the purple bronze ceramic artwork obtained in the invention is clear, transparent, uniform in color and good in glossiness; the purple bronze ceramic artwork has coin bronze appearance, inherits the characteristic of light mass of ceramics, presents purple bronze effect and can be used for replacing copper in making of various statues, so the resource of copper is substantially saved; and the purple bronze ceramic artwork has excellent stability, wear resistance, heat resistance and corrosion resistance.

The invention discloses black glass ceramic and a preparation method thereof. The ceramic is prepared from, by weight, 50-70 parts of mica powder, 12-25 parts of potassium permanganate, 5-16 parts of mica powder, 6-12 parts of blue vitriol, 4-14 parts of sodium silicate, 16-28 parts of silicon dioxide, 10-40 parts of zinc oxide and 3-10 parts of ammonium polyacrylate. The preparation method of the black glass ceramic comprises the steps of weighing raw materials according to the parts by weight, mixing and adding the raw materials into a crucible, heating the crucible, keeping temperature retention for 1-2 hours within the range from 1500 DEG C to 1600 DEG C, conducting shocking chilling, forming frit, smashing the frit into glass powder, placing the glass powder into a crucible at the temperature ranging from 1050 DEG C to 1100 DEG C for fusion, conducting natural cooling, and obtaining the black glass ceramic. According to the formula of the black glass ceramic, the mixing is conducted according to a certain proportion, then the black glass ceramic is obtained and is in black, products obtained after the mixing are stable in color and luster, little pollution is caused in the production process, only traditional ceramic firing equipment is needed for production, no additional dedicated electroplating equipment is needed, and the cost is saved.

The invention discloses an efficient VCP copper-plating brightening agent. The efficient VCP copper-plating brightening agent comprises, by mass, 10-15 parts of polyether, 3-8 parts of a leveling auxiliary, 0.4-0.6 part of sulfuric acid, 0.1-0.2 part of dithiobis-1-propanesulfonic acid disodium salt, 0.4-0.8 part of quaternary ammonium salt, 0.1-0.3 part of formaldehyde, 0.1-0.3 part of blue vitriol and 75-88 parts of deionized water. When the surface of a through hole in a substrate of a printed circuit board is plated with copper in VCP, the efficient VCP copper-plating brightening agent hasgood uniform plating capacity and deep plating capacity, the ductility of the surface placed with copper is excellent, a smooth and bright curved surface is formed, and a coating is free of stress.

The invention discloses a special water conservation type rhizosphere fertilizer for flue-cured tobacco seedlings. The fertilizer is prepared from, by mass, isobutylidene diurea, potassium magnesium phosphate, nitrate of potash, a potassium humate organic and inorganic water-retaining agent, sodium borate, zinc oxide, blue vitriol, ferrous sulfate, manganese sulfate, ammonium molybdate, limestoneflour, chitosan and a root growth promoting agent. The special water conservation type rhizosphere fertilizer is adopted to spray the seedlings at the outsides of flue-cured tobacco roots, one-time fertilizer applying is achieved on the flue-cured tobacco seedlings, compared with a traditional seeding growing mode, fertilizer applying of 2-3 times is reduced, and the fertilizer applying amount isreduced by 20-30%; the biomass of the grown flue-cured tobacco seedlings is increased by 15% or above, and the tobacco seedling root shoot ratio is improved by 20% or above; the total root lengths ofthe grown seedlings are improved by 150% or above, the common root area is increased by 30% or above, the stem diameter is increased by 20% or above, and the strong seedling index is improved by 30% or above. Therefore, the fertilizer has the effects of significantly reducing the fertilizer applying amount for the flue-cured tobacco seedlings and improving the agricultural labor productivity efficiency and the economic benefit, and has a wide market prospect.

Chromium-zirconium copper is high-conductivity, high-strength and heat-resisting alloy and is mainly used for manufacturing resistance welding electrodes, electric discharge machining electrodes, die base metal and the like. 4-5% of waste can be generated in the production process of chromium-zirconium-copper alloy, and five to six hundred tons of waste is generated in factories if 10000 tons of chromium-zirconium-copper alloy is produced per year. It can be known through analysis on industrial production waste that copper accounts for 70-80% of the waste, chromium-zirconium alloy accounts for 5-15% of the waste, ash accounts for about 8-10% of the waste, and the waste also contains a small quantity of metal oxide. If the waste is not recovered, the environment can be polluted, and resource waste can be caused; if the waste is directly recovered, the purity of produced copper salt is too low and cannot reach the industrial standard. Practice proves that by adoption of a method for separating and recovering the chromium-zirconium-copper waste, high-purity chromium-zirconium alloy can be recovered, high-purity blue vitriol (with the purity reaching the industrial first level) can also be obtained, both the high-purity chromium-zirconium alloy and the high-purity blue vitriol can be recovered and reused, and the method has economic significance and environment-protection significance.

The invention provides a strong beef cattle feed additive which comprises, by weight, 2-5 parts of blue vitriol, 5.5-7.6 parts of ferrous sulfate, 2.2-3.7 parts of manganese sulfate powder, 2.5-3.8 parts of zinc sulfate powder, 0.8-1.6 parts of cobalt chloride hexahydrate, 1.1-2.4 parts of potassium iodide powder, 0.9-1.7 parts of sodium selenite powder, 10-13 parts of lysine powder and 56.3-69.7 parts of calcium carbonate powder, and the raw materials are uniformly mixed to prepare the strong beef cattle feed additive. The additive is matched with mixed feed to feed a beef cattle, the beef cattle is smooth in fur, rapid in growth, short in fattening period and remarkable in economic benefit, daily increase of the beef cattle reaches 3.5-5.0 jin, and popularization is facilitated.