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490results about How to "Improve yield and quality" patented technology

Intellient control system for fertilization with mode of drop irrigation in greenhouse

An intelligent control system for drip irrigation and fertilizer application in greenhouse features that its fertilizer supply pipe, fertilizer mixing pipe, drip irrigation pipeline and fertilizer applying pipeline are communicated. Its control method includes acquiring analog information, setting up system parameters, judging if the manually intervention is necessary, quantitative and timing, or condition controlled irrigation and fertilizer applying program is to be used, executing, back flushing, restoring the system, and detecting relative parameters and equipment.
Owner:TIANJIN WATER CONSERVANCY INST

Method for producing yellow core Daqu to improve liquor output rate of strong aromatic Chinese spirits

The invention discloses a method of preparing yellow leaven to increase producibility of alcohol with strong fragrance, mixing wheat, barley and pea uniformly by weight ratio of 7:2:1; adding water at 25-30 DEG C to smashed material, weight percent of water is 36-39%; pressing the mixture as leaven biscuit with thickness of 6-7 cm; leavening the leaven biscuit 3-5 days; moist fire period of the leaven biscuit is 5-7 days, temperature of the leaven biscuit centre increased to 50 DEG C in 3-4 days; strong fire period is 8-10 days, temperature of top fire is 55-63 DEG C in 6-8 days; rear fire period is 6-8 days, temperature of the leaven biscuit centre declined gradually to room temperature; moving to storge after culturing the leaven be mature in room. The leaven of the invention is a middle and high temperature leaven made by more than two kinds of cereals, not only has special perfume of the leaven, but also has important function to incrase producibility of alcohol.
Owner:JIANGSU YANGHE BREWERY JOINT STOCK

Entire closed-loop circulating fluidized bed as well as usage and application method thereof

The invention provides an entire closed-loop circulating fluidized bed as well as usage and an application method thereof. Third generation circulating fluidized bed equipment is improved, the problems of high energy consumption and high processing cost and the like caused by moisture and slow heat exchange speed between materials and working mediums in prior process methods, such as drying, crushing, evaporation, distillation, condensation, gasification, liquefaction, and other operations are solved; entire closed circulation work and rapid normal temperature work of scaled materials are economically realized, and an economically feasible solution scheme is provided for developing works, such as improvements of output and quality of foodstuff, medicine, chemical products and other basic raw material products, as well as energy saving and consumption reduction, cleaning production, etc.
Owner:KUNMING TEKANG TECH CO LTD

Sintering method and sintering equipment of iron ore

The invention discloses a sintering method and sintering equipment of an iron ore. The sintering method comprises the following steps of: mixing and blending: mixing the iron ore, a fusing agent and fuel to prepare sintered ore granules; then paving the sintered ore granules in a pallet through a cloth; igniting by utilizing a lighter for sintering, and starting to spray steam to the surface of a sintered material after ignition for 5 minutes to 10 minutes, or spraying water or a mixture of steam and the water, wherein the usage amount of the water or the mixture of the steam and the water is the same as the usage amount of independently-sprayed steam. According to the invention, the steam plays a strengthening role on the process of sintering reaction, the yield is increased by accelerating sintering speed, the solid combustion consumption is saved by enhancing the utilization ratio of sintered ore FeO and the fuel, and the air permeation is improved and the yield and quality are increased and enhanced by eliminating an overwet layer.
Owner:PANGANG GRP PANZHIHUA STEEL & VANADIUM

Method for producing fertilizer

The invention relates to a method for producing organic fertilizer, comprising the following steps: mixing 15-20% of smashed tobacco stalk, tobacco ashes and other bits and pieces with 45-50% of feces of live stock feces; then evenly mixing 0.08-0.1% of thermophilic bacillus in aerobic zymogen, 0.5-0.8% of trace element fertilizer and 0.1-0.2% of carbamide with 30-35% of smashed plant straw powder; adding water to the obtained mixture to raise the water content to 45-50% as well as adjusting pH value to 5.5-6.5; fermenting for 10-15 days at a temperature higher than 20 DEG C; turning 5-6 times, and drying in the air until the water content is lower than 20%. The organic fertilizer produced by the invention can loosen and activate soil, enhance photosynthetic efficiency pf plants, increase yield and quality of farm produce, decrease occurrence of plant diseases and insect pests, reduce usage amount of pesticide and fertilizer, and relieve environment pollution.
Owner:SHANDONG NEW HOPE LIUHE GROUP

Selenium-enriched microorganism preparation prepared from fermentation of mixed bacterium liquid and preparation method of selenium-enriched microorganism preparation

The invention discloses a selenium-enriched microorganism preparation prepared from fermentation of a mixed bacterium liquid. The selenium-enriched microorganism preparation consists of the following raw materials: sodium selenite, complex trace elements, monopotassium phosphate, urine, peptone powder, NaCl, NaOH, NaNO3, NaCl, NH4Cl, K2HPO4, a beef extract, glucose, starch, calcium carbonate, amino acid, potassium nitride, ferrous sulfate, magnesium sulfate, trisodium citrate, a biochemical enzyme and a mixed bacterium liquid; and the mixed bacterium liquid is a mixed liquid of the bacterium liquid of bacillus amyloliquefaciens, the bacterium liquid of bacillus subtilis, the bacterium liquid of bacillus licheniformis, the bacterium liquid of bacillus thuringiensis and the bacterium liquid of bacillus mucilaginosus. The mixed bacterium liquid applicable to the selenium-enriched microorganism preparation disclosed by the invention is conducive to microorganisms in soil, and can be used for increasing the quantity of the microorganisms in the soil and enhancing the activity of the microorganisms in the soil. Due to vital activity and metabolite, the strain is an agricultural product which can cause special fertilizer effect, growth regulating effect, effect of prevention and control of plant diseases and pests, soil bioremediation and the like to crops.
Owner:SHANDONG UNIV

Isolation of nucleic acid using colored buffers

InactiveUS20070015169A1Optimization of bacterial lysisOptimization of neutralization stepSugar derivativesMicrobiological testing/measurementEscherichia coliMicroorganism
The present invention describes isolation of plasmid DNA or nucleic acid material from Escherichia coli (E. coli) or other species of microorganisms, or from other sources. The addition of indicator dyes to the alkaline lysis based purification buffers allows for increased ease of visual monitoring of the mixing and lysis steps of the procedure. The yield and quality of plasmid DNA is improved and the chance of error is reduced. The practice may be applied to other nucleic acid purification procedures.
Owner:ZYMO RES CORP

Analysis of silicon concentration in phosphoric acid etchant solutions

Low concentrations of silicon in an etchant solution are analyzed by adding a predetermined concentration of fluoride ions to a test solution comprising a predetermined volume of the etchant solution, and measuring the concentration of fluoride ions in the test solution. Reaction with silicon ions in the test solution reduces the concentration of fluoride ions, which are present in stoichiometric excess, so that the silicon concentration of the etchant solution can be calculated from the difference between the predetermined and measured concentrations of fluoride ions in the test solution. The method is especially suited for analysis of silicon nitride etchants comprising a high concentration of phosphoric acid.
Owner:KLA CORP

Dendrobiumpaxt natural forest implantation high-yield culture technique

Disclosed is a dendrobiumpaxt natural forest implantation high-yield culture technique. Seedlings cultured artificially are transplanted to main attachment trees in the natural forest, artificial protection and production are carried out, broad-leaved evergreen trees in the natural forest in the proper environment are selected as the main attachment trees to transplant artificially-cultured fine breed cutting seedlings, water and fertilizer application, pest control and artificial management are carried out to obtain the organic high-yield dendrobium, forest resources are protected, planting cost is lowered, and social benefits and economic benefits are good, and the technique is suitable for being popularized.
Owner:LONGLING COUNTY RES INST OF DENDROBIUM

Long-acting slow release fertilizer for grapes

The invention relates to the technical field of agricultural fertilizer, and particularly relates to a long-acting slow release fertilizer for grapes. The long-acting slow release fertilizer comprises the following components in parts by mass: 32-40 parts of nitrogen, phosphorus and potassium, 25-30 parts of organic matter, 10-15 parts of calcium, magnesium and sulfur serving as secondary elements, 4-5 parts of trace element, 0.1-0.3 part of polyacrylamide, 0.01-0.03 part of a soil conditioner, 0.08-0.15 part of a fertilizer synergist, 0.01-0.03 part of a fertilizer controlled-release agent and 3-6 parts of bentonite. By adopting the long-acting slow release fertilizer for grapes provided by the invention, the effective time of the fertilizer is long, the yield and the quality of the grapes are greatly improved, the pulp is delicious, the nutrition is abundant, soil hardening is avoided, the grape plant grows vigorously, and the disease and insect resistance is strong.
Owner:丹阳市现代生态水产养殖场

Production method of crystal alum

The production method of crystal alum includes the following steps: placing the roasted alumina-contained raw material into a large-type acid-resisting container, adding sulfuric acid and hydrogen sulfate (when it is used for producing potassium alum, adding potassium hydrogen sulfate and when it is used for producing ammonium alum, adding ammonium hydrogen sulfate), fully reacting to obtain anhydrous potassium aluminium sulfate or anhydrous ammonium aluminium sulfate, adding proper quantity of water to make it be crystallized, introducing steam to heat and dissolve, separating liquid and solid, removing solid residue, recrystallizing, taking crystal potassium alum or ammonium alum, the placing the residual solution into the large-type acid-resistant container for recovery and utilization.
Owner:王如声

Method for accelerating fish curing and flavor ripeness

The invention discloses a method for accelerating fish curing and flavor ripeness and belongs to the technical field of application of combination of physical and biological processing technologies in food processing. The raw material of the method adopts fresh fish or frozen fish, the raw material of fish is made into cured fish by the steps of pre-processing, curing, biological ripeness, drying, physical ripeness, vacuum packaging and storage, the fish curing is accelerated by adopting the combination of adding trehalose and vacuum curing, the ripeness is accelerated by adopting the combination of flavor enzyme and microwave irradiation, and the physical and biological processing technologies are combined to be applied to the food processing. After the curing, flavor combination in the cured fish product after accelerated ripeness is doubled, and simultaneously, carbonyl compound and aroma compound esters which play important roles in cured fish flavor are generated, thus improving the sensory evaluation of the cured fish product obviously, such as sausage flavor, chewy property, taste and the like.
Owner:JIANGNAN UNIV

No-tillage rotation method of flue-cured tobacco and grass

The invention discloses a method for no-tillage crop rotation of flue-cured tobaccos and pastures. The method uses excellent gramineous pasture pennisetum hydridum and flue-cured tobacco for no-tillage crop rotation and comprises the detailed steps of: ridging during the first year when planting flue-cured tobaccos, and leaving the tobacco sticks on the tobacco ground to protect the ridge body after harvesting the tobacco leaves; clearing up the tobacco sticks and weeds after spring comes in the second year, then planting the pennisetum hydridum of which the planting density is the same as the planting density of the flue-cured tobacco, and leaving the residues of the pennisetum hydridum in the ridge body after harvesting the pennisetum hydridum completely, and protecting the ridge body; using phytocide to control the growth of the weeds after spring comes and before the tobacco is planted in the third year, digging the ridge when planting tobaccos, fertilizing, and planting tobaccos; clearing up the ridge surface, removing the weeds, covering the ground by a ground membrane when the soil moisture content is enough so as to promote normal growth of the flue-cured tobacco, and repeatedly performing alternant planting of flue-cured tobacco -> pennisetum hydridum -> flue-cured tobacco in this way. The method has the advantages of: increasing the crop rotation efficiency of the flue-cured tobacco, increasing the quality of the tobacco leaves, saving the steps of turning over of the soil, ridging, topdressing, intertillage, weeding and the like, saving six workers every 667 square meters of flue-cured tobacco, reducing the production cost, and being simple to operate and easy to popularize.
Owner:GUIZHOU TOBACCO SCI INST

Light-colored low-phosphorous dimer acid production process

The invention relates to a light-colored low-phosphorous dimer acid production process, which comprises the steps of: performing polymerization, namely successively adding high-purity distilled water and an acidic kaolin catalyst, and carrying out heating and pressure polymerization; performing acidification and filtration, namely carrying out filtration after acidification, adding high-purity water, heating and stirring, standing, discharging open water, and separating and filtering in a high speed centrifuge; performing molecular distillation (continuous distillation), namely continuously adding crude dimer acid in a film evaporator in multistage Roots high vacuum, removing low boiling point substances and moisture in the materials, and putting in a short-range evaporator so as to distill off the dimer acid and monomer fatty acid; and washing with water, namely, washing the generated dimer acid with ultrapure water so as to obtain the light-colored low-phosphorous dimer acid. Therefore, the process solves the problem that the dimer acid product is low in color and luster as well as transparency. The light-colored low-phosphorous dimer acid production process has the characteristics of high production yield and low energy consumption, improves the color and luster as well as transparency of the dimer acid product, reduces the using amount of the catalyst, improves the yield of the dimer acid, and makes the iron and phosphorous ion content of the dimer acid reduced below 10ppm.
Owner:九江力山环保科技有限公司

Indoor morchella esculenta cultivation method

The invention belongs to the technical field of edible fungus cultivation and discloses an indoor morchella esculenta cultivation method. The method includes steps: (1) preparing a cultivation medium; (2) bagging the prepared cultivation medium, and sterilizing in a sterilization pot, wherein each bag is filled with 1.2-1.5kg of the cultivation medium; (3) performing inoculation of a stock culture in the cultivation material, culturing in a culturing room, and cultivating after hyphae grow into sticks; (4) laying a plastic film on a cultivation bed, then laying nutritious soil, arraying the sticks on the bed one by one, spraying nutritious liquid, and covering with nutritious soil; spraying culture fertilizing liquid once every 4-6 days, controlling the temperature and air humidity in a cultivation room, and picking after fruiting bodies grow out for 7-10 days and ripe. The indoor morchella esculenta cultivation method has advantages that a morchella esculenta production period can be shortened, morchella esculenta yield is increased while morchella esculenta quality is improved, growth of contaminating bacteria can be inhibited, morchella esculenta culture success rate reaches 98% or above, a gap between artificially cultivated morchella esculenta and wild morchella esculenta is narrowed, and edible and medicinal values of the morchella esculenta are increased.
Owner:成都市尚品源生态农业有限公司

Composite agricultural fertilizer and preparation method thereof

The invention discloses composite agricultural fertilizer. The composite agricultural fertilizer is prepared by the following raw materials in parts by weight: 35-40 parts of straw powder, 20-25 parts of ground phosphate rock, 22-24 parts of dolomite dust, 18-20 parts of quick lime, 15-18 parts of shell powder, 12-15 parts of diatomite, 10-13 parts of turf, 7-11 parts of urea, 6-10 parts of monoammonium phosphate, 5-8 parts of potassium chloride, 3-4 parts of zinc sulfate, and 10-13 parts of soil modifier. According to the fertilizer disclosed by the invention, energy and nourishments are provided by plants to improve the utilization rate of the fertilizer, so that the yield and quality of crops are prominently improved; in addition, the soil physicochemical property and soil nutrient status can be effectively improved by the soil modifier, added in the fertilizer, so as to promote the plants to adsorb nutrients and moisture and act positive effects on soil microorganisms.
Owner:MAANSHAN KEBANG ECO FERTILIZER

Floating rack for culturing laver

A full-floating frame for culturing the laver in seawater is composed of fixing piles, fixing cables, pulling cables, two pulled floating frames, several netted curtains arranged between two pulled floating frames, several buoy supporters, and floating balls fixed to the both ends of each buoy supporter.
Owner:孙庆海

Analysis of copper ion and complexing agent in copper plating baths

A simple titration method involving a single copper ion titrant detected by a copper ion specific electrode provides the concentrations of both copper ions and bath complexing agent (ethylene diamine, for example) in alkaline copper electroplating baths of the type used to deposit or thicken copper seed layers on silicon wafers. Standard addition of an excess of a strong complexing agent (EDTA, for example) and back-titration with the copper ion titrant yields the bath copper ion concentration, and continued titration to a second endpoint, preferably after addition of hydroxide to adjust the pH of the analysis solution, yields the total concentration of bath complexing agent. Based on these analyzes, the concentration of free bath complexing agent may be calculated. The method also provides direct determination of the free bath complexing agent concentration via standard addition of excess bath complexing agent to a sample of the plating bath and titration with the copper ion titrant.
Owner:ECI TECH

Pad conditioner for conditioning a cmp pad and method of making such a pad conditioner

The invention provides a pad conditioner for conditioning a CMP pad. The pad conditioner includes a substrate, a plurality of cavities on the substrate, a bonding agent filling in the cavities, and a plurality of abrasive particles securely placed and fixed in the cavities separately. The cavities are arranged in a regular manner and each cavity is sized such that it can accommodate only one abrasive particle. The cavities may be bowl-shaped or of other shapes. A method of making such a pad conditioner is also disclosed.
Owner:PRINCO CORP

Seaweed organic fertilizer and preparation method thereof

The invention discloses a seaweed organic fertilizer, which comprises following materials by mass percent: 40% to 70% of seaweed concentration stock solution formed by concentrating fresh seaweed, 1% to 6% of vitamin K1 derivatives, 28% to 50% of biological fulvic acid and 1% to 4% of aseptic. Simultaneously, the invention further discloses a preparation method for the seaweed fertilizer, which comprises the following steps of (1) utilizing a rotary harvest method to harvest fresh seaweed; (2) cleaning the harvested fresh seaweed, removing residues, smashing, pulping, obtaining coarse liquid through low temperature high pressure cell rupture technology, then filtering, and concentrating the seaweed concentration stock solution; and (3) preparing the vitamin K1 derivatives and the biological fulvic acid, and adding the aseptic and the seaweed concentration stock solution to obtain the seaweed organic fertilizer. The seaweed organic fertilizer can improve soil, promotes crop root systems to be developed, greatly reduces pesticide using amount and is environmental-prevention and safe.
Owner:江门市杰士植物营养有限公司

Multilayer ceramic capacitor

A multilayer ceramic capacitor and a method of manufacturing the same are disclosed. A base part of the multilayer ceramic capacitor includes ceramic dielectric and inner electrodes formed inside the ceramic dielectric, and a terminal of each of the inner electrodes is exposed out of one of the two opposite sides of the base part, to form inner electrode terminals. First outer electrodes are formed on the two sides of the base part and the outside of the inner electrode terminals, and second outer electrodes are formed on the first outer electrodes. The first outer electrodes and the base part are formed together by sintering manner, and the second outer electrodes are formed by metal powder and resin material, thereby solving the problem that the vitreous component diffuses around, or solving the problem that plating solution permeates into the base part or the ceramic dielectric during plating process.
Owner:HOLY STONE ENTERPRISE

Anomaly Detection and Remedial Recommendation

Anomaly detection and remedial recommendation techniques for improving the quality and yield of microelectronic products are provided. In one aspect, a method for quality and yield improvement via anomaly detection includes: collecting time series sensor data during individual steps of a semiconductor manufacturing process; calculating anomaly scores for each of the individual steps using a predictive model; and implementing changes to the semiconductor manufacturing process based on the anomaly scores. A system for quality and yield improvement via anomaly detection is also provided.
Owner:IBM CORP

Fertilizer special for green vegetables and preparation method of fertilizer special for green vegetables

The invention discloses a fertilizer special for green vegetables. The fertilizer is prepared from the following raw materials in parts by weight: 100 to 120 parts of poplar bark, 80 to 100 parts of sugarcane residues, 70 to 90 parts of corncob, 50 to 60 parts of medicine residues, 40 to 45 parts of acid sludges, 30 to 40 parts of saw dust, 30 to 40 parts of mushroom residues, 20 to 30 parts of tea grounds, 20 to 24 parts of inositol residues, 10 to 12 parts of amino acid residues, 20 to 25 parts of volcanic rock powder, 30 to 40 parts of monoammonium phosphate, 16 to 20 parts of urea, 14 to 18 parts of potassium chloride, 2 to 3 parts of polyvinyl alcohol, 6 to 9 parts of EM fungicide, 10 to 15 parts of soil conditioner and the balance of water. The fertilizer disclosed by the invention is a compound fertilizer generated by the stacking fermentation of domestic and industrial wastes comprising the poplar bark, the sugarcane residues, the corncob, the medicine residues, the acid sludges, the saw dust, the mushroom residues, the tea grounds, the inositol residues, the amino acid residues and the like as well as other materials. The fertilizer is rich in organic fertilizer, inorganic fertilizer and other various nutritions, thereby meeting the requirements of nutrient elements needed by the growth of the green vegetables. Therefore, the yield and the quality of the green vegetables are improved. The prepared fertilizer has the advantages of soil improvement, water and fertilizer retention and the like.
Owner:ANHUI WANLI ECOLOGICAL LANDSCAPE

Banana fertilizing method

The invention provides a banana fertilizing method, which comprises the following steps of: (1) seedling stage: after field planting, rinsing and drenching roots for 4 to 6 times by adopting fertilizer solution prepared from root-promoting and sweetness-increasing solution, a root force calcium water-soluble fertilizer and water; and (2) banana finger promoting stage: after sprouting buds, spraying banana leaves and banana strings by adopting fertilizer solution prepared from 200 to 300 grams of a strengthening water-soluble fertilizer and 250 kilograms of water each time for each mu of a banana plantation, continuously spraying for three times, and after sprouting the buds, rinsing and drenching the roots for 3 to 5 times by adopting fertilizer solution prepared from a high-potassium rinsing and drenching fertilizer and water. According to the method, at different growth stages, nutritional ingredients required by bananas at each growth stage are supplemented, and by combining the traditional root application organic fertilizers, nitrogen fertilizers, phosphorus fertilizers, potassium fertilizers and compound fertilizers, the bananas can quickly and fully acquire required nutritional ingredients at each growth stage to keep nutritional balance.
Owner:汕头市微补植物营养科技有限公司

Biological organic fertilizer

The invention relates to a biological organic fertilizer. The biological organic fertilizer comprises 600 to 900 parts of animal manure, 400 to 600 parts of sugar filtered mud, 50 to 200 parts of oil cakes, 200 parts of peat, 200 parts of edible fungus residues, 200 parts of straw, and 1 to 2 parts of organic fertilizer production inocula all in parts by mass. The biological organic fertilizer provided by the invention is complete in nutrient and capable of effectively improving the utilization rate of the fertilizer nutrients and has a sustainable ability and the dual effects of increasing the crop yield and improving the quality of agricultural products; the quality increasing of the biological organic fertilizer mainly refers to increasing of vitamins C and beta-carotene and reducing of the nitrate content and increasing of a single (strip) part, namely improvements in appearance and inherent quality; the yield of the crops is increased, and the quality is improved; the problem of crop continuous cropping planting is solved; soil physicochemical and biological characters are improved; the specificity of the general bacterial manure is broken, so that biological organic fertilizer has good social and ecological benefits.
Owner:河源华盈科技有限公司

Novel optical bioreactor

The invention relates to a novel optical bioreactor, which comprises a cylindrical reactor shell. The optical bioreactor is characterized in that: a light transmission guide tube is arranged in the cavity of the cylindrical reactor shell, a light emitting diode (LED) lamp capable of raising light intensity and temperature is arranged in the light transmission guide tube, and a light source xenon lamp is arranged on the periphery of the cylindrical reactor shell. The LED lamp can freely adjust the illumination intensity and the light color, the xenon lamp can adjust the growth environment temperature of alga, and inner circular current type air-liquid circulation is adopted, so the growth requirements of different oil producing alga culture organisms can be effectively met, and yield and quality of the oil producing alga organisms are greatly promoted.
Owner:FUZHOU JUYANG BIOTECH

White tea planting method

The invention discloses a white tea planting method used for planting white tea in southern Anhui tea regions. The white tea planting method includes the following steps that the white tea is planted in acid soil with the PH value of 4.7-6.3. According to the practical situation of a white tea garden, the soil is reclaimed many times, the primary reclamation depth is controlled to be 20-40 cm, trapezoidal platform faces are built from bottom to top according to an annular step type to build the trapezoidal white tea garden, and secondary reclamation is carried out on the basis of primary reclamation; when the white tea is planted, planting furrows are formed in the trapezoidal platform faces according to the row space of 1.2-1.4 m between all rows; the selenium element is fully absorbed by white tea trees in the modes of soil cultivation, manual irrigation and injection. Compared with the prior art, the white tea planting method has the following advantages that white tea insect attacks can be effectively prevented, the yield of the white tea is increased, the quality of the white tea is improved, and the white tea is rich in microelement such as zinc and selenium and therefore has high nutritive value.
Owner:安徽省旌德县白地白茶有限公司

Analysis of silicon concentration in phosphoric acid etchant solutions

Low concentrations of silicon in an etchant solution comprising phosphoric acid, an organo-silicon compound and water are analyzed by adding predetermined concentrations of a carboxylic acid and fluoride ions to a test solution comprising a predetermined volume of the etchant solution, and measuring the potential of a fluoride ion specific electrode (FISE) in the test solution. Reaction with silicon ions in the test solution reduces the concentration of fluoride ions, which are present in stoichiometric excess, so that the silicon concentration of the etchant solution can be determined from the difference between the predetermined and measured concentrations of fluoride ions in the test solution.
Owner:ECI TECH

Tobacco stem charcoal soil conditioner of acidic tobacco planting soil, and processing method thereof

The invention relates to a tobacco stem charcoal soil conditioner of acidic tobacco planting soil, and a processing method thereof. The chitosan thin film layer of the conditioner is wrapped outside a core layer, and the wrapping thickness of the chitosan thin film layer is 0.6-0.8mm; and the core layer is mainly composed of tobacco stem charcoal, calcium nitrate, magnesium nitrate, zinc oxide, borax and phosphate dissolving bacteria. The processing method of the conditioner mainly comprises the following steps: preparing tobacco stem charcoal from waste tobacco stems; crushing the tobacco stem charcoal; uniformly mixing all components of the core layer; sprinkling the phosphate dissolving bacteria; sprinkling a binder, and granulating; and dressing by using chitosan. In the invention, the tobacco stem charcoal has extremely strong water absorption and water retention abilities, an extremely high specific surface area and a loose physical structure, can effectively improve the content of organic carbon in soil, improves the soil nitrogen retention ability and potassium supply ability, improves the nutrients needed by the growth of tobacco, increases the mineralization release of effective phosphorus in soil, and can effectively improve the southern acidic tobacco planting soil.
Owner:YUXI TABACOO COMPANY OF YUNNAN PROVINCE

Sintering intelligent data optimization method

The invention relates to a sintering intelligent data optimization method, the data mining and analysis of the collected production process data is performed on the basis of the existing primary and secondary control system of the sintering plant; the data mining and analysis of the process factors influencing the sintering quality, fuel consumption and sintering end control are performed to optimize the operation of the related process; the data mining analysis of the optimization process adopts the genetic algorithm as the main body, introduces the concept of information gain entropy, and supplements with the internal core algorithm of the decision tree algorithm, the calculation process comprises the steps of 1, initializing; 2, bringing each operator into the fitness function FUNC one by one, and calculating the corresponding fitness value of each operator fun [X]; 3, performing the further iterative search of genetic, crossover and mutation through genetic algorithm, so that the target data falls into the target interval with the maximum probability. The sintering intelligent data optimization method can be used for achieving the purpose of improving the quality and production of a sintered product.
Owner:LIAONING ZHONGXIN AUTOMATIC CONTROL
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