42results about How to "Weakly acidic" patented technology

The invention relates to a suspension bed hydrocracking catalyst which comprises a carrier and transitional metal loaded on the carrier, and the loading capacity of the transitional metal is 0.5-10 weight percent on the metal oxide basis; the transitional metal is selected from one or a plurality of types of VIB and VIII group metals, and the carrier is catalytic cracking dead catalyst with the grain size no less than 150Mum. The suspension bed hydrocracking catalyst can be used for the suspension bed hydrogenation modification and the suspension bed hydrocracking of heavy oil and residual oil.

A minced fillet product producing method relates to aquatic product processing and comprises the following steps: grinding without any addictive: adding a protease inhibitor and an acid seasoning aqueous solution into semi-thawed minced fillet, and chopping, blending, grinding and mixing uniformly at 4-10 DEG C; grinding with salt: adding salt and glucolactone into the ground minced fillet, grinding at 4-10 DEG C; gelating: shaping and heating the ground minced fillet, and gelating the minced fillet; and refrigerating: packaging in a sealing way, and refrigerating at 4-10 DEG C to obtain a minced fillet product. Only medium-temperature heating is required, so that the energy consumption is reduced and the production cost is reduced; the minced fillet product producing method is simple in process, low in requirement on equipment, short in production period and high in production efficiency; and the produced minced fillet product is faintly acid, low in fishy taste, strong in fresh fish meat taste, more compact in internal structure and macroscopically dedicate in mouth feel, and is superior in gel strength to he conventional minced fillet product heated at a high temperature.

The invention discloses an efficient controlled-release organic fertilizer for grapes and a preparation method of the efficient controlled-release organic fertilizer. The efficient controlled-release organic fertilizer comprises the following raw materials in parts by weight: 30-40 parts of calcium magnesium phosphate-coated urea, 20-40 parts of monopotassium phosphate, 25-35 parts of potassium sulfate, 15-20 parts of peanut meal, 10-15 parts of corn straw charcoal powder, 5-8 parts of diatomite, 15-25 parts of bentonite, 1-2 parts of borax, 4-6 parts of modified humic acid, 20-40 parts of animal wastes, 20-30 parts of rape seed cakes, 1-3 parts of ferrous sulfate, 0.5-1 part of manganese sulfate, 1-2 parts of copper sulfate, 1-2 parts of ammonium molybdate and 1-3 parts of polyvinyl alcohol. The invention further discloses the preparation method for the efficient controlled-release organic fertilizer. The efficient controlled-release organic fertilizer is rich in nutrient substance and good in controlled-release effect.

The invention belongs to the technical field of compound fertilizer production, and relates to a seaweed composition containing specific fertilizer for fruit trees and a preparation method thereof. The specific fertilizer is prepared by reasonably proportioning weathered coal, sulfuric acid, gasified ammonia, monoammonium phosphate, urea, potassium chloride, seaweed extract, zinc sulfate and borax, and granulating the obtained mixture by using a special process. The specific fertilizer is rich in organic matters and various trace elements, and has the characteristics of high utilization rate of fertilizer efficiency, long duration of fertilizer efficiency, and capability of facilitating the improvement of soil.

The invention provides a humic acid composite material and a preparation method thereof. The humic acid composite material is formed by mixing of the following components by weight: 1%-60% of humic acid, 10%-99% of a polymer, 0%-10% of a compatibilizer, 0%-10% of a plasticizer, 0%-12% of a lubricant, and 0%-1.5% of an antioxidant. In the invention, the abundant and cheap renewable degradable biological resource humic acid is adopted as a substrate, at least one polymer is compounded, and melt blending of the polymer is conducted to form the composite material. Therefore, the application scope of humic acid is broadened, its utilization rate is enhanced, and insufficiency of petroleum based polymer resources is relieved, so that the humic acid composite material has broad industrial application prospects. With a low production cost, the humic acid composite material provided in the invention has mechanical properties meeting the requirements of actual use and is degradable.

The invention relates to a processing method of a SMD quartz crystal resonator. The processing method comprises the following steps: firstly providing a complete board resonator semi-finished product, wherein the complete board resonator semi-finished product comprises a base complete board and a cover complete board covered on the base complete board; and then cutting the cover complete board on the complete board resonator to form single base cover boards, and spraying and coating protective layers on the upper surface and sections of each cover board, wherein the method for spraying and coating the protective layer comprises pretreatment process and spraying and coating process; the pretreatment process comprises cleaning, washing, air showering and drying; the spraying and coating process comprises the following steps: firstly spraying and coating the spraying and coating material on the upper surface and section of each base cover board of the resonator complete board by using an electrostatic spraying and coating process to form the coatings, and then performing curing treatment on the coatings to form the protective layers on the upper surface and the section of each base cover board. The processing method disclosed by the invention aims at improving the salt mist resistance and high temperature and high humidity resistance of the SMD quartz crystal resonator under the severe environment. The invention further relates to a resonator prepared by adopting the above-mentioned method.

The invention relates to a processing method based on comprehensive utilization of stems and roots of cucurbitaceae melon plants. The processing method comprises the following steps: boiling and leaching stems and roots of cucurbitaceae melon plants by using alkaline water as a solvent, acidifying a leachate to form a low-water-solubility bryonolic acid precipitate, separating, washing, recrystallizing and refining to obtain a bryonolic acid product; after performing drying, ultra-fine pulverization and enzymolysis treatment on leached waste residues, adding a moisture adjustment material, sterilizing, adding compound bacteria accounting for 8-12% by weight of a base material, fermenting, drying at a low temperature to obtain a biological protein feed product with a grain size of 80-90 meshes; pulverizing the waste residues, using 20-40% by weight of stem and root residue powder, 50-70% by weight of animal manure, and 10-15% by weight of saccharomycetes, fermenting, placing for 1 week at a temperature of 75-90 DEG C and humidity of 85-95%, drying, pulverizing, mixing 92.2-95.2% by weight of fermented material powder and 4.8-7.8% of compound microbial flora, and distributing, granulating, screening and packaging to obtain a bio-organic fertilizer product according to the conventional method.

The invention discloses a humic acid soil conditioner, and a composition, preparation method and application method thereof. The composition comprises, by weight, 8.3 to 16.7 parts of cottonseed meal, 2 to 3 parts of a KOH solution, 0.5 to 2 parts of a polyacrylic acid substance and 0.01 to 3.0 parts of inorganic fertilizer. The preparation method comprises the following steps: preparing cottonseed meal humic acid from the cottonseed meal and KOH solution; and then adding the polyacrylic acid substance and inorganic fertilizer so as to obtain the humic acid soil conditioner. The humic acid soil conditioner is simple in preparation flow, easy to apply and low in cost, can improve the agglomeration structure of soil, growth and development properties of crops and crop yield, has good water-solubility and can be applied wit water; and the humic acid soil conditioner is especially suitable for drip irrigation application, exerts obvious effect and can be extensively promoted and applied in the technical field of agricultural production.

The invention belongs to the field of catalyst preparation, and particularly relates to a 2,2,4-trimethyl-1,3-pentanediol diisobutyrate esterification reaction catalyst, and a preparation method and a purpose thereof. NaHSO4 H2O-NaH2PO4, NaHSO4 H2O-KH2PO4, NaHSO4 H2O-NH4H2PO4, NaHSO4 H2O-CuSO4.5H2O and NaHSO4 H2O-Al2(SO4)3 18H2O are used as catalysts for catalyzing alcohol ester-12 and isobutyric acid to be subjected to esterification reaction for synthesizing 2,2,4-trimethyl-1,3-pentanediol diisobutyrate. The mixed inorganic salt catalytic reaction time is short; the conversion rate is high; the selectivity is high; the conversion rate of converting the alcohol ester-12 into the 2,2,4-trimethyl-1,3-pentanediol diisobutyrate is improved by 80 percent or higher.

The invention discloses a military mildew-proof and anti-oxidation high moisture absorption desiccant, which comprises the following components by weight: 20-30 parts of montmorillonite; 20-30 parts of attapulgite; 5-10 parts of microsphere silica gel; 3-5 parts of lemon peel powder; 0.5-1 part of chitosan; 5-8 parts of pomelo peel powder; 10-15 parts of calcium chloride; and 5-8 parts of sodium carboxymethyl cellulose. The desiccant provided by the invention has the characteristics of fast drying speed, good moisture absorption effect, strong moisture absorption capacity and difficult re-damping, excellent oxidation resistance and mildew-proof and bacteriostatic functions, and is suitable for use on warships in high humidity and high salt sea surface environment.

The invention relates to a preparation method and an application method of a lithium ion battery. The preparation method comprises the steps of preparing negative paste, preparing positive paste, coating a positive material and a negative material with the positive paste and the negative paste, respectively; baking the coated positive material and negative material in a vacuum environment at the temperature of 110 to 130 DEG C; sequentially winding the baked positive material and negative material to form a cell according to the sequence of the positive material, a diaphragm, the negative material and a diaphragm; loading the cell into a shell to form a lithium battery negative electrode, filling with electrolyte, and welding a cap to form a lithium battery positive electrode. The lithium ion battery prepared by the preparation method is large in electric capacity, good in safety, strong in conductivity, capable of substituting for an existing alkaline dry battery and reducing the environmental pollution and high in recycling value.

The invention belongs to the technical field of devulcanization, and relates to a bio-trickling filter for producing sulphur by removing hydrogen sulfide and a method thereof. The bio-trickling filter disclosed by the invention comprises a gas inlet part, a first filler layer, a first gas outlet part, a second filler layer and a spraying chamber which are arranged from bottom to top sequentially; each part is of a concentric cylinder or cube shape; a cone-shaped second gas outlet part is also arranged on the upper surface of the spraying chamber; a gas inlet is formed at the upper part of one side of the gas inlet part at the bottom, and the middle part of the other side of the gas inlet part is sequentially connected with a cone-shaped solid-liquid separation device and a lower tank; waste gas containing hydrogen sulfide is in reverse contact with biological desulfurization circulating liquid from top to bottom, which is pumped into the spraying chamber by the solid-liquid separation device and the lower tank, on a biological filler, and a biodegradation reaction is performed to generate the sulphur. The bio-trickling filter disclosed by the invention can ensure purification of high-concentration hydrogen sulfide, optimize process equipment and solve the problems of blockage, waste and the like of sulphur in a process, and has the advantages of good processing effect, low energy consumption, low investment, no secondary pollution and the like.

The invention is a kind of modifier for salt-alkaline land, which is composed by brown sugar, black leaven, white vinegar, ammonium nitrate, bran, bean cake, bone glue, bovey coal, A or B liquor and c bottom. top-dress the A or B liquor by canalization in turn, top-dress the C bottom to the surface of the land, in this way, the modifier will be good for the root of he plant. The mount of land's organics will increase and the capability of holding water of the land will also improve. The modifier will reform land's performance of physical and chemistry and activate the organic phosphorus in the land. In a word, the invention is good for plant's developing and salt-alkaline land's fathering.

The invention discloses a continuous preparation method of ultra-clean high-purity hydrogen peroxide, which comprises the following operation steps: selecting a certain amount of industrial-grade hydrogen peroxide, a certain amount of styrene monomer, a certain amount of divinylbenzene monomer, a certain amount of toluene organic solvent and a certain amount of filler; preparing the styrene monomer, the divinylbenzene monomer, the toluene organic solvent and the filler into a porous resin adsorption material body through a suspension copolymerization method,enabling industrial-grade hydrogen peroxide to sequentially pass through the porous resin adsorption material body, a cation exchange column and an anion exchange column at the flow speed of 280-460 L / H and then filtering circularly by a 0.1-micron filter element, and obtaining primarily purified hydrogen peroxide. According to the continuous preparation method of the ultra-clean high-purity hydrogen peroxide, feeding operation can be carried out in a pumping mode, the feeding amount is convenient to control, continuous preparation operation can be carried out, the preparation efficiency is improved, constant-temperature evaporation purification treatment is carried out under the low-temperature condition, the purity of hydrogen dioxide is improved, and the using effect is more excellent.

The invention discloses an organic soluble fertilizer capable of protecting a root system and modifying soil and a preparation method thereof. The organic soluble fertilizer comprises the following components by content: living bacteria larger than or equal to 5 billion per ml, amino acid larger than or equal to 100g / L, humic acid of 40-150 g / L, and calcium and magnesium secondary elements larger than or equal to 30g / L. The method comprises the following steps: performing vacuum evaporation and concentration for humic acid solution containing living bacteria, free amino acid solution and mixture of calcium and magnesium secondary elements to an extent that the living bacteria is larger than or equal to 5 billion per ml, the amino acid is larger than or equal to 100g / L, the humic acid is of 40-150 g / L, and calcium and the magnesium secondary elements are larger than or equal to 30g / L, wherein the evaporating temperature is lower than 50 DEG C. The fertilizer can be directly applied, is convenient and labor-saving, can be easily absorbed by plants in a form of liquid, and has the advantages of improving soil texture and ability of crops resisting disease and insect pests, being capable of protecting plant root system and stimulating plant yield, and being quick in manurial effect, balance in nutrition, and simple in application.

The invention provides a fruit fly attractant concentrated solution and a matched fruit fly attractant thereof. The fruit fly attractant concentrated solution is prepared from, by weight, 0.1-10 parts of sweet orange oil, 0.1-12 parts of citral, 0.1-15 parts of glycerol ester of rosin, 0.1-10 parts of sucrose acetate isobutyrate, 0.1-8 parts of 4-p-carboxylphenyl-2-butanone, 3-70 parts of brown sugar, 0.1-5 parts of ethyl alcohol, 0.1-6 parts of acetic acid, 0.1-15 parts of ethyl acetate and 0.1-30 parts of protein hydrolysate. The fruit fly attractant concentrated solution has the advantages of increasing the attractant effect and improving the stability of applied liquid chemical.

The invention relates to a fertilizer for use in fruiting period of cucumbers and a preparation method thereof. The fertilizer is prepared from the following raw material components in parts by weight: 6-9 parts of humic acid, 4-6 parts of amino acid powder, 10-12 parts of urea, 8-10 parts of potassium dihydrogen phosphate, 15-18 parts of potassium nitrate, 6-8 parts of potassium fulvate, 3-5 parts of boric acid, 2-4 parts of zinc sulfate, 2-4 parts of magnesium sulfate, 0.1-0.3 part of phenazino-1-carboxylic acid and the balance of water. Compared with the prior art, the fertilizer has the advantages that the growth of plants can be regulated, and falling cucumbers, stiff cucumbers and malformed cucumbers can be effectively prevented; the formation of absorbing roots is promoted, and theabsorption and utilization of crops to water and fertilizers are promoted; and meanwhile, the soil-borne diseases such as root rot and wilt can be prevented and treated. The fertilizer is balanced innutrition, rich in various elements required in the fruiting period of the cucumbers, capable of effectively improving soil, strengthening roots of plants, enhancing disease resistance, effectively improving the quality of crops and increasing the yield of the cucumbers and has a rapid fertilizer effect, and the cucumbers are attractive in appearances and low in cost and have good taste; and meanwhile, the preparation method is simple, easy to operate and high in feasibility.

The invention discloses a carbon dioxide-containing external composition for skin and a preparation method of the carbon dioxide-containing external composition for skin. The composition contains a component A and a component B, wherein the component A is carbon dioxide aqueous solution obtained by dissolving carbon dioxide in water to reach a saturated state, and the component B is a mixture composed of a thickener and a dispersant. When the component A and the component B are mixed, the viscosity of the mixture is rapidly increased to generate a sticky object, and thus carbon dioxide is stored in the sticky object. The obtained sticky object can be used for external application for the skin, and has the beautifying and treatment effects of carbon dioxide. The use method of the composition can be the direct mixed use of the component A and the component B, or the component B can be uniformly coated on a water-absorbent supporter and used by contacting with the component A.

The invention discloses a flame-retardant aging-resistant cable material and a preparation method thereof and relates to the technical field of cable materials. The flame-retardant aging-resistant cable material is prepared from the following raw materials in parts by weight: 30-45 parts of epoxy resin, 20-32 parts of polyurethane rubber, 23-35 parts of silicone grease, 18-26 parts of attapulgite,15-22 parts of ceramic fibers, 20-28 parts of calcium silicate, 8-16 parts of maifanite, 18-26 parts of nano-silica, 8-18 parts of nano-titanium nitride, 15-22 parts of magnesium hydroxide, 15-22 parts of aluminum hydroxide, 5-12 parts of phosphite, 8-13 parts of octadecanol ester, 4-8 parts of citric acid, 7-10 parts of sodium citrate, 5-9 parts of silane coupling agent, 2-5 parts of lubricant,1.8-3.6 parts of curing agent, 3.2-5.5 parts of flame retardant, 1.2-2.8 parts of initiator and 2.4-3.8 parts of ultraviolet absorbent. The cable material disclosed by the invention is good in flame-retardant effect and high in corrosion resistance and aging resistance.

The invention discloses kelp soap and a preparation method thereof. The kelp soap is prepared from raw materials as follows: kelp, mint, white paeony roots, white honey, pomegranate bark, galangal, moutan bark, couchgrass roots, green tangerine leaves and a soap base. The preparation method comprises steps as follows: the kelp is dried, crushed to form powder, added to an isopropanol / pentanol solution for immersion treatment and then subjected to enzymolysis treatment, and a kelp extracting solution is obtained through evaporation concentration under reduced pressure; the mint, the white paeony roots, the white honey, the pomegranate bark, the galangal, the moutan bark, the couchgrass roots and the green tangerine leaves are added to purified water, the mixture is decocted, and a traditional Chinese medicine decoction liquid is obtained; the soap base and the kelp extracting solution are heated and stirred, the traditional Chinese medicine decoction liquid is added, the mixture is mixed uniformly, and a soap liquid is prepared; the soap liquid is poured into a die while hot, cooled at the room temperature, transferred to a refrigeration room to be refrigerated to form soap and then transferred to a place under the room temperature condition to be aired, and the kelp soap is obtained. The prepared kelp soap has good washing performance and antibacterial performance, the preparation method is simple and easy to operate, and the kelp soap has higher application prospect and economic prospect.

The invention discloses a preparation method of a laminated electrolytic oxidation water electrode. The preparation method comprises the steps that a titanium sample is placed in an electrolytic cellwith electrolyte for micro-arc oxidation, then placed in a reaction kettle for hydrothermal treatment, and finally ruthenium salt heat treatment is carried out, so that a titanium dioxide tin dioxideruthenium dioxide coating is generated on the surface, and the laminated electrolytic oxidation water electrode with excellent electrical performance is obtained. In the electrode, a titanium substrate and the coating are firmly combined without a discontinuous interface. The electrolytic oxidation water obtained by taking the prepared electrode as an anode electrolytic aqueous solution has strongredox capacity and excellent antibacterial property. Meanwhile, the laminated electrolytic oxidation water electrode is low in chlorine evolution potential and shows excellent electrical performancein electrical performance test.

The invention discloses a portable air pollution protection device. Adjusting buckles are disposed on a ligature, and a base plate is disposed in a cover body. By means of the portable air pollution protection device, the length of the ligature can be effectively adjusted according to the size of the face of a user, the application range of the protection device is widened, the phenomenon that anexisting protection device is too large or too small when the user wears the protection device is avoided, assembling and disassembling of the ligature are convenient, the flexibility of the protection device during usage is improved, the speed of air exhausting out of the cover body is increased, air is prevented from flowing out from above the cover body, the phenomenon that water steam occurs on glasses of a user wearing the glasses is reduced, the ventilation property of the protection device during usage is improved, the effects of eliminating static electricity, improving smell and sterilizing are achieved, the wearing comfort of the user is improved, and the functions of being high in dehumidification breathability, preventing ultraviolet ray, being free of stimulation, being skin-friendly faintly acid, being allergy resistant and the like are achieved by additionally designing a zein fiber lining.

The invention discloses a laboratory hazardous chemical substance cabinet which comprises a cabinet body, a rotating door body is arranged on the front face of the cabinet body, a vertical partition plate is arranged in the cabinet body, and the vertical partition plate divides the inner space of the cabinet body into a storage area and a functional area; a plurality of placing plates are arranged in the storage area in parallel up and down; a temperature sensor, a humidity sensor, a volatile organic compound (VOCs) sensor and a control device are arranged in the functional area; a temperature on-line alarm, a humidity on-line alarm and a VOCs on-line alarm are arranged outside one side, close to the functional area, of the cabinet body; the vertical partition plate and the placement plates are hollow plates; and a waste gas outlet is formed in a back panel of the cabinet body and is connected with a waste gas outlet pipe. According to the hazardous chemical substance cabinet, the temperature, the humidity and the VOCs environment in the hazardous chemical substance cabinet can be monitored online in real time, so that hazardous chemical substances stored in the cabinet are in strict environmental conditions, the performance of the hazardous chemical substances is prevented from changing, and temporary storage and use safety of the hazardous chemical substances is ensured.

The invention belongs to the technical field of ecological agriculture, and discloses a preparation method of a biological light carbon mixture. The biological light carbon mixture comprises the following components in percentage by mass: 13-25% of microalgae, 5-7% of an adsorbent, 1-1.5% of a colloid agent, 2-3% of a water absorbent, 1-2% of a complexing agent, 1-2% of an activating agent, 8-12%of yeast sugar and 55-65% of purified water, and is prepared by the following steps: (1) respectively taking microalgae, an adsorbent, a colloid agent, a water absorbent, a complexing agent, an activating agent, yeast sugar and purified water for later use; and (2) respectively weighing the raw materials for later use in the step (1) according to the mass percent of the preparation amount: 13-25%of microalgae, 5-7% of an adsorbent, 1-1.5% of a colloid agent, 2-3% of a water absorbent, 1-2% of a complexing agent, 1-2% of an activating agent, 8-12% of yeast sugar and 55-65% of purified water, fully stirring in a reaction kettle at normal temperature and normal pressure, and carrying out a reaction for 3 h to obtain the biological light carbon mixture, wherein the biological light carbon mixture is used for activating and improving soil, enhancing the photosynthetic action of plants, resisting diseases, expelling parasites, storing water, retaining fertilizers and improving the comprehensive functions of crops.