123results about How to "Realize development and utilization" patented technology

The invention provides a method for extracting gas from a bedding level fractured well of a ground coal seam roof, orderly comprising the following steps: selecting a coal storage layer with the gas content more than 8 m<3> / t; determining fissure zone position generated by extracting the coal layer, taking the rock formation at 3-7 m of the middle lower part of the fissure zone as the level construction layer; determining positions of the well opening and kickoff points according to landing points of the level segment; and realizing large curvature radius increased slanting, wherein the drilling position is parallel to a gate road at a coal stope working surface or vertical to the largest principal stress direction, and the length of the level segment is less than or equal to the strike length of the working surface; the well structure adopts a three-part structure; the level segment can be an uncased hole or a lower sleeve tube which is an emission hole; the level segment is constructed in the selected rock layer; the level segment uses an open hole packer or a sleeve tube packer for performing hydraulic fracture in segments; a drainage and extracting apparatus is arranged for extracting the ground gas by a virtual storage layer; and the negative pressure extracting is exchanged between the middle and last phase, thereby realizing multiple functions of the well. The method in the invention improves the extracting efficiency of the ground drilling well, realizes area outburst elimination, and reduces the gas disasters to the maximum limit.

Provided is a method for preparing high-purity magnesium oxide with high boron salt lake brine. Salt lake brine is evaporated through a salt pan, concentrated to crystallize potassium sulfate, sodium chloride and potassium chloride and is drawn with lithium in adsorption mode so as to obtain master sauce brine containing magnesium and boron. Concentrated sulfuric acid is added into master sauce brine for reacting, and coarse boracic acid and acidized brine are obtained after cooling and filtering. Potential of hydrogen (pH) value of acidized brine is adjusted to be 5.5-6.5, and acidized brine passes through ion exchange resin adsorbing boron. When boron concentration in effluent liquid is higher than 5 mg / L, brine is not injected, boron-removed brine is obtained, then boron-removed brine and ammonium chloride solution are filled with ammonia for stirring and to produce magnesium sedimentation reaction, reaction temperature ranges from 60 DEG C to 80 DEG C, pH ranges from 7.5 to 8.0, the reaction is stopped when concentration of free ammonia reaches 1.8-2.2 mol / L, and magnesium hydroxide and magnesium sedimentation mother solution are obtained. Magnesium oxide is obtained by calcining magnesium hydroxide, content of magnesium oxide is larger than 99.8%, and magnesium extraction ratio is larger than 90%. Sedimentation mother solution adopts lime to steam ammonia, and generated ammonia circulates to magnesium sedimentation reaction. Mother solution after ammonia steaming is evaporated, concentrated and crystallized to obtain calcium chloride. Ion exchange resin adsorbing boron is washed, analyzed and regeneratively cycled for use. Boron-containing analysis solution is concentrated and cooled to pick up coarse boracic acid, and coarse boracic acid is recrystallized to obtain refined boracic acid with purity larger than 99%. High-purity magnesium oxide prepared by the method is high in purity, good in economic benefit, free of environment pollution, strong in operability and favorable for industrial production.

The invention relates to a steel slag recycling method. The method comprises the following steps: carrying out mixing pretreatment on 100DEG C or above steel slag and 30-40DEG C steel slag, and carrying out multi-time magnetic separation, multi-time screening and multi-time fragmentation for recovery in order to obtain a low-iron metallurgy production auxiliary material substitute; and carrying out magnetic separation on a magnetic separation material in the steel slag, grinding, screening, and carrying out dry wind magnetic separation for recovery in order to obtain a high-iron metallurgy production auxiliary material substitute. The method reduces the smelting cost of a steel plant, reduces the exploitation and calcination of natural ore, reduces the discharge of greenhouse gas, has very good environmental protection benefit, and realizes short flow and high recovery utilization of the steel slag.

The invention discloses blueberry black tea. Blueberry leaf blades serve as a raw material, and the blueberry black tea is prepared through the process of fresh leaf picking, withering, cell disruption, fermentation, roasting, shaping and drying and the like. The blueberry black tea does not contain caffeine, made tea water is savoury and mellow in taste and rich and gaudy in color, plenty of flavonoids are contained in the tea, and the blueberry black tea has the health care effects of restraining platelet aggregation, preventing thrombus and atherosclerosis, directly restraining generation of free radicals, preventing aging and being resistant to cancers and radiation and antiallergic and the like.

The invention discloses a method for producing compound fertilizer by wet decomposing potassium feldspar, comprising the steps of: decomposing potassium feldspar under normal temperature atmosphere condition, separating the materials under certain technical conditions to obtain products like ammonium-potassium sulfate mother liquid, white carbon black, aluminum hydroxide and sodium silicate, taking the ammonium-potassium sulfate mother liquid as a raw material, replenishing fertilizer raw materials and auxiliary raw materials enriched with phosphorus to produce the chemical fertilizers containing standard nutrient contents of nitrogen, phosphorus, potassium and silicon such that the insoluble potassium contained in the potassium feldspar is converted into soluble potassium, and by-producing white carbon black and aluminum hydroxide, etc, thereby comprehensively utilizing potassium feldspar resources, solving the problem that the potash fertilizer in China depends on import, and satisfying the need of agricultural production. The invention has low demand on the apparatus, has simple process, convenient production operation and is easy to realize the large scale industrial production.

The invention discloses a spaceborne laser altimeter in-orbit moon elevation detection uncertainty evaluation method which comprises the following steps of: screening an area of which the terrain change is flat from a laser altimeter moon surface elevation detection full-moon area; eliminating a pseudo elevation and calculating the area elevation mean value and the standard deviation in the screened area; analyzing various uncertainty influence factors influencing the elevation detection and the distribution density; and carrying out laser altimeter in-orbit moon elevation detection uncertainty evaluation in combination with the various influence factors and by utilizing the ''Monte Carlo Method for Evaluation of Measurement Uncertainty''specification and giving the elevation results. The method has the advantage that the elevation detection uncertainty can be given to the spaceborne laser altimeter in-orbit moon surface terrain elevation detection according to the selected area to provide a basis for further analyzing the source of laser altimeter measurement error and provide a reference and a basis for making a high-precision moon digital elevation map.

The invention discloses a lithium bromide bromide refrigerating machine capable of recycling heat energy by utilizing a heat pump, which comprises a high pressure generator, a low pressure generator, an evaporator, an absorber, a condenser, a high temperature heat exchanger, a low temperature heat exchanger, a solution pump, a cryogenic fluid pump, a control system, and pipelines and valves for connecting the components. The invention is characterized in that the absorber and the condenser are designed into a heat pump evaporator; the evaporating pipes of the heat pump evaporator replaces the cooling pipes in the absorber and / or condenser; and the cooling pipes in the absorber and / or condenser are respectively connected in series with a compressor, a heat pump condenser and an expansion valve to form a heat pump set, so that the heat released from the absorber and the condenser in the lithium bromide refrigerating machine can be converted into high-grade heat by the heat pump set to be recycled. The invention has the advantage of high production efficiency and enhances the operation stability and adaptability of the refrigerating machine.

The invention relates to a method for preparing a pig bone collagen polypeptide chelated calcium supplement. The method comprises the following steps of: 1, preparing pig bone paste, namely crushing, defatting and grinding fresh pig bones to obtain the pig bone paste; 2, preparing bone collagen polypeptide, namely preparing a pig bone paste culture solution, inoculating mixed strains of serratia marcescens and lactobacillus bulgaricus, fermenting, centrifuging, filtering and drying to obtain the bone collagen polypeptide; 3, preparing soluble bone calcium by mixing bone paste residue left after fermentation and hydrochloric acid; and 4, preparing the bone collagen polypeptide chelated calcium supplement, namely chelating the bone collagen polypeptide and the soluble bone calcium to obtainthe bone collagen polypeptide chelated calcium supplement. By the method, the added value of a pig bone resource is improved, the collagen and bone calcium in the pig bones are comprehensively developed and utilized, and the prepared chelated calcium supplement has high solubility in water, is favorable for a human body to absorb and utilize calcium element in the chelate, and can be applied to various fields such as chemical engineering, foods, cosmetics and the like.

The invention discloses a blueberry green tea bag. The blueberry green tea bag comprises a brewing bag and blueberry green tea sealed in the brewing bag, the blueberry green tea is prepared by fresh blueberry leaves, and the processing procedures include fresh leaf picking, water-removing, a first rolling, stir-frying, a second rolling, drying and the like. The blueberry green tea bag has the advantages that the blueberry green tea bag is free of caffeine, the brewing is convenient, the leaching speed of soluble matters in tea-leaf is fast, the leaching is thorough, brewed tea water tastes fresh and fragrant, the color of the tea water is pleasant, the tea is rich in tea polyphenol and anthocyanin, and the blueberry green tea bag has heath care effects of anticancer, preventing cardiovascular and cerebrovascular diseases, restraining free radicals, antianaphylaxis, improving human body comprehensive immunity, and the like.

The invention relates to a drying process of a specific plant. The process comprises the following steps of: 1. pretreatment: sorting prepared fresh pseudo-ginsengs; after separating and removing pruning openings, fibrous roots and flocking roots attached to the fresh pseudo-ginseng roots, obtaining main pseudo-ginseng roots; cleaning and removing surface attachments and leaching surface water; 2. pre-freezing: directly placing the whole main pseudo-ginseng roots into a pre-freezing chamber at minus 15-minus 20 DEG C and pre-freezing for 6-7 hours; 3. sublimation drying: spreading the pre-frozen main pseudo-ginseng roots on a table disk made of heat conducting materials, controlling the thickness of a paving material to be below 5cm and shifting to a vacuum drying chamber; after sealing, vacuumizing, maintaining internal vacuum pressure at 30-70Pa, setting the temperature of the table disk to be 40 DEG C, continuously supplying heat to the table disk and carrying out sublimation drying in vacuum for 10-15 hours till the table disk is heated to 40 DEG C; 4. analysis: maintaining the temperature of the table disk to be 40 DEG C and continuously supplying heat to the table disk and vacuumizing for 10-12 hours till the material is heated to 40 DEG C and material water is controlled to be below 3 percent; and 5. discharging and packaging. The invention provides a method for preparing active pseudo-ginseng.

The invention discloses a metal-chloride melt material with high heat conductivity as well as a preparation method and an application of the metal-chloride melt material. The metal-chloride melt material with high heat conductivity comprises components as follows: 0.05%-2% of metallic magnesium powder and 98%-99.95% of calcium chloride. The metallic magnesium powder and calcium chloride are mixed and stirred uniformly, heated in the inert gas protecting atmosphere until solids are completely smelted to liquids and then subjected to thermal insulation, cooling, smashing and drying, and the metal-chloride melt material with high heat conductivity is obtained. Raw materials of the metal-chloride melt material with high heat conductivity are from waste salt of tailings produced in the potash fertilizer production process of a salt lake, high-value utilization of the salt lake tailing waste salt is realized, and comprehensive development and environmental protection of the salt lake resources are realized; the system has a high heat conductivity coefficient and good heat conductivity and is applicable to the field of large-scale utilization and industrial energy conservation of renewable energy sources.

The invention discloses a blueberry black tea bag, which comprises a brewing bag and blueberry black tea packaged in the brewing bag, wherein the raw material of the blueberry black tea is the fresh blueberry leaf, and the blueberry black tea is prepared in the following technical steps of picking fresh leaves, withering, breaking cells, fermenting, drying for the first time, drying for the second time and the like. The blueberry black tea bag is convenient to brew, soluble substances in the tea leaf can be quickly leached and can be thoroughly leached, the brewed tea has mellow taste and bright-coloured soup, and the tea contains a great quantity of flavonoids. The blueberry black tea bag has the efficacies on inhibiting platelet aggregation, preventing thrombus, preventing atherosclerosis, directly inhibiting the generation of free radicals, preventing from ageing, resisting cancer, resisting radiation, resisting allergy and the like.

The invention discloses a method for preparing 2,3-butanediol using xylose mother liquor, which utilizes the xylose mother liquor as a fermentation substrate, uses klebsiella pneumoniae as a fermentation strain and produces and prepares the 2,3-butanediol by batch fermentation and feed batch fermentation. By the method, the final concentration of the 2,3-butanediol reaches 78.9g / L, total sugar conversion rate reaches more than 85 percent, and the maximum productivity of the 2,3-butanediol is 1.3g / (L / h). In the light of the day-by-day exhaustion of petroleum resources and the rise of the price of petrochemical products, the invention utilizes renewable agricultural byproduct corncob for deep processing to produce the xylose mother liquor as the byproduct of xylitol and produces high-value platform compound 2, 3-butanediol by microbial fermentation, thus realizing the post-development and high-value utilization of the xylose mother liquor as the industrial byproduct of the xylitol.

The invention, which belongs to the field of super-large-scale data storage management, relates to a hierarchical storage optimization method for super-large-scale drug data. The method comprises thefollowing steps: step one, constructing a cluster storage resource management system based on a distributed multistage storage structure, and allocating specific cluster storage resources to specificusers, user groups or jobs; step two, performing characterization processing on the jobs, dividing job categories, and intelligently scheduling the jobs to servers of data blocks required by the jobs;step three, designing a data classification model, mapping and storing massive result data generated in the computer-aided drug design process by applying the model, and segmenting the generated datainto data blocks to be respectively stored on servers at corresponding storage levels; and step four, designing a corresponding I / O method for each level of storage structure and the characteristic attributes thereof, dynamically scheduling I / O requests, and optimizing the I / O scheduling strategy of each level of storage structure. According to the method, the I / O performance in the supercomputing environment is improved, and heterogeneous storage and platform development and utilization of super-large-scale drug data are realized.

The invention relates to a drying process method of a specific plant. The method comprises the following steps of: (1) pretreatment: sorting and selecting prepared fresh pseudo-ginseng, separating and removing snips, fibrous roots and flocking roots attached to the fresh pseudo-ginseng roots to obtain pseudo-ginseng main roots, cleaning and removing surface attachments, draining surface moisture, and cutting into 0.2-2 mm slices by using a slicing machine; (2) pre-freezing: directly placing the slices in a pre-freezing room with the set temperature of subzero 15 to subzero 20 DEG C, and pre-freezing for 5-6h; (3) sublimation drying: spreading the pre-frozen slices out on a desk tray made of a conducting material, controlling the spreading thickness to be below 5 cm, and moving to a vacuum drying room; sealing, starting vacuumizing, maintaining the internal vacuum pressure at 30-70 pascals, setting the temperature of the desk tray to be 40 DEG C, keeping supplying heat for the desk tray, and carrying out vacuum sublimation drying for 7-10h until the temperature of the desk try reaches 40 DEG C; (4) analysis: maintaining the temperature of the desk tray to be 40 DEG C, keeping supplying heat for the desk tray and vacuumizing for 6-12h until the temperature of the material reaches 40 DEG C, and controlling the moisture of the material at 3-5%; and (5) discharging and packaging.

The invention provides frozen and recombined fish steak and a preparation method thereof. The frozen and recombined fish steak contains minced fillet and minced fish meat which are added in the weight ratio of 1:1-5. The preparation method comprises the steps of: unfreezing minced fish meat material, selecting, arranging and rinsing; milling a part of the minced fish meat and isolated soy proteinswollen with water in advance into the minced fillet; then mixing the minced fillet and the minced fish meat together,, flavouring and carrying out low-temperature gel forming; packaging and finally freezing at the temperature of 18 DEG C below zero to obtain the frozen and recombined fish steak product. The frozen and recombined fish steak product produced by the method disclosed in the invention is a recombined fish steak product capable of simulating natural fish meat fiber texture. Therefore, the comprehensive development and utilization of side products in fish processing is realized, the additional value of the side products is improved, and the environmental pollution can be reduced. the preparation method of the frozen and recombined fish steak has important realistic significancefor realizing large-scale fish processing and industrial production.

The invention relates to a method for using an enzyme method for assisting the aqueous extraction of insoluble dietary fiber from pollen pini, which comprises the following steps: (1) carrying out a preliminary treatment process: pollen pini degreased by supercritical CO2 is used as the enzyme method assisting aqueous extraction pollen pini; (2) firstly using alpha-amylase for assisting the aqueous extraction on the pollen pini degreased by the supercritical CO2, and adding neutral protease into optimized alpha-amylase aqueous extraction pollen pini extracts for further aqueous extraction; and (3) carrying out post treatment on the extracts: separating insoluble dietary fiber and water-soluble ingredients of the pollen pini extracts hydrolyzed by two enzymes under the centrifugation effect of 4000 r / min, then, using a funnel for filtration, collecting substances on the funnel, and then, obtaining finished products through freeze drying. The invention has the advantages that: (1) the integrated development utilization of the pollen pini at a deep level is realized; and (2) the quality of the pollen pini extracts is high, and the content of the insoluble dietary fiber is high.

The invention discloses a method for extracting and separating eucommia seed oil and eucommia gum from eucommia samaras. The method comprises the following steps: processing the eucommia samaras to separate shells from kernels; performing steam explosion, enzymolysis, extracting and purifying on the shells to obtain the eucommia gum; crushing, extracting and separating the kernels to obtain the eucommia seed oil. In the method, the eucommia samaras are taken as raw materials for extracting the eucommia gum and the eucommia seed oil, and a membrane technology is introduced for implementing separation, so that the product quality and the yield can be improved, impurities can be fully removed through filtering, the needed time is short, and the extraction and separation temperature is low. The steam explosion is performed on the shells of the eucommia samaras for extracting and separating the eucommia gum, the eucommia seed oil is extracted by a supercritical CO2 technology, and residues obtained after extraction of the eucommia seed oil are used as raw materials of a bio-organic fertilizer, so that comprehensive development and utilization of the eucommia samaras are effectively realized, the cost during the development process of the eucommia gum is reduced and a high-value utilization way of the eucommia samaras is developed.

The invention discloses a device for performing separable quick treatment on excrements in an environment-friendly lavatory, and in particular relates to an excrement treater matched with a lavatory, which can perform harmless separable quick treatment on the excrements as soon as a user finishes using the lavatory, and is applicable to various public lavatories such as train, automobile, plane and ship lavatories. The structure of the device comprises hot rollers, a hot roller driving gear, a hot roller driving motor, a mounting rack, a bearing bracket and a hot roller clearance adjusting mechanism, wherein the number of the hot rollers is two; the hot rollers are provided with hot roller outer shells of which two ends are provided with movable spindle heads; hot roller cores are arranged in the hot roller outer shells; one end of the hot roller core is provided with a fixed spindle head; an electric heating element is arranged in the hot roller core; cylindrical rollers are arranged between the hot roller cores and the hot roller shells; the hot roller driving motor is arranged on the mounting rack of the excrement treater; and the bearing bracket at two ends of the hot roller is provided with the hot roller clearance adjusting mechanism which comprises an adjusting screw rod, an adjusting nut, a spring and a pin roll.

The invention provides a culture medium and method for cultivating inonotus hispidus through utilizing cottonseed hulls. The culture medium is characterized in that the cottonseed hulls are taken as amain cultivation substrate, 0-20% of cultivation auxiliary materials (corn core, sawdust, wheat or rice) are added according to a certain ratio, the nutrient solution with the material-liquid mass ratio of 1:1.4-1:1.6 is then mixed, after sterilization, the medium is obtained. The nutrient solution comprises, by mass percentage, 1.8-2.2% glucose, 0.15-0.25% yeast extract powder, the balance is water, the sum of the components is 100%, the pH is natural, after uniformly mixing each 40 parts of cultivation materials, 55-65 parts of the nutrient solution are added. The medium is advantaged in that properties of low cost and high biological conversion rate are achieved, and the medium is simple to prepare, is convenient to operate and is easy for factory realization.

The invention discloses a high-heat-conductivity metal-carbonate molten salt material and a preparation method and application thereof; the high-heat-conductivity metal-carbonate molten salt material comprises, by weight, 0.05-2.6% of magnesium powder, and 97.4-99.95% of carbonate molten salt. The high-heat-conductivity metal-carbonate molten salt material has significantly improved heat conduction coefficient of high-liquid liquid, maintains low melting point and high specific heat capacity in carbonate molten salt, and has higher heat-conducting and heat-storing properties; the magnesium added is in 'mist' uniform distribution in the carbonate molten salt, and the 'mist' state is not affected by repeated cooling / heating conditions. The applicable range of the molten salt is further widened to the field of renewable energy sources and high-temperature industrial waste heat recovery, and the material has a promising application prospect in terms of comprehensive development and utilization of saline lake resources.

The invention discloses pickled vegetable brine produced by using white wine byproducts, and a preparation method thereof. The pickled vegetable brine is prepared by taking esterified residual liquid as basic materials and other auxiliary materials in parts by weight in 1L of esterified residual liquid, including 5-8g of clove, 10-30g of green pepper, 5-40g of ginger, 3-10g of lysimachia sikokiana, 2-8g of pepper, 5-8g of anise, 5-10g of diphtheria, 3-10g of orange peel, and 20-50g of edible salt. The pickled vegetable has high shelf life, and is not heated in preparation process; the esterified residual liquid contains abundant organic acid, so as to be capable of effectively restraining the other bacteria infection; the pickled vegetable does not produce flowers, is long in shelf life, short in fermentation time, and can be eaten after the vegetables are soaked for hours at normal temperature; and the pickled vegetable is acid and crisp and tasty in mouthfeeling, thick in fragrance,proper for both acid and hot, unique in flavor, and is bright in color and good in luster.

The invention belongs to the field of processing agricultural products, and particularly relates to a preparation method of dioscorea opposita thunb slime polysaccharide and resistant starch. The preparation method of dioscorea opposita thunb slime polysaccharide and resistant starch comprises the following steps: washing and peeling fresh dioscorea opposita thumb, protecting color, slicing, crushing, homogenizing, putting homogenate into a high-pressure pulsed electric field for extraction, adding water into the treated dioscorea opposita thumb homogenate and performing high-speed centrifugation, and centrifuging starch residues at the lower layer for three times; respectively collecting supernatant and lower-layer starch residues obtained through repeated centrifugation; filtering the centrifuged supernatant through a molecularly imprinted membrane and eluting with water, to obtain a dioscorea opposita thumb slime polysaccharide solution, concentrating and drying to obtain dioscoreaopposita thumb slime polysaccharide, adding water into the lower-layer starch residues and performing membrane filtration, preparing a starch emulsion after filtering, performing pressure-heating treatment in an autoclave and then adding pancreatic amylase and pullulanase for enzymolysis, performing enzyme denaturing and performing refrigeration and ageing, hot-air drying, pulverizing and screening to obtain the dioscorea opposita thumb resistant starch.

The invention discloses a preparation method of onionskin flavones. The preparation method comprises the following steps: step one, carrying out extraction, separation and purification of onionskin total flavones: 1) taking 3 kg of onionskins, adding 40-60 L of distilled water, heating to 67-70 DEG C, holding for 2-8 h, filtering, and pouring out the supernatant to obtain a filter residue; 2) adding 40-60 L of a 70% ethanol into the filter residue obtained in the step 1), heating to 67-70 DEG C, holding for 2-8 h, filtering, and thus obtaining a supernatant and a residue; 3) concentrating the supernatant obtained in the step 2), and drying to obtain an onionskin flavones primary product; and 4) drying the residue obtained in the step 2) to obtain an onion dietary fiber. The preparation method improves the bioavailability of the onionskin flavones; through establishment of a hyperlipidemia model, an anti-obesity effect and the mechanism of the onionskin flavones are studied, finally a micro-capsule technology is adopted, an anti-obesity onionskin flavones microcapsule health-care food is prepared, and thus the stability and the application scope are further improved.

The invention discloses a microwave fluidized roasting-leaching method for reinforcing high phosphorous iron ore iron-extracting and phosphorus-reducing. The method is performed according to the following steps: (1) preparing high phosphorous iron ore as a raw material; (2) grinding the ore after crushing, to obtain iron ore powder; (3) sending to a microwave fluidized roasting furnace, and roasting in a reducing atmosphere condition; (4) after levigating the roasted ore, performing low intensity magnetic separation; (5) performing acid leaching dephosphorization by using sulfuric acid, afterthe acid leaching dephosphorization, filtering and separating a solid material; washing the solid material, and drying. The method is capable of realizing efficient comprehensive utilization of the high phosphorous iron ore, high in iron grade and recovery rate, remarkable in phosphorus-reducing effect. A technology is more energy-saving and cost-reducing, and the iron-extracting and phosphorus-reducing effect is more remarkable. Recycling and efficient development and utilization of high phosphorous oolitic hematite are realized.

The invention relates to the technical field of pectin extraction, in particular to a method for extracting pectin from glutinous corn. The method comprises the following links, such as decomposition and extraction of the pectin, treatment of extract liquid, hydrolysis of starch, decoloring of the pectin, concentration of pectin liquid and preparation of pectin powder. The extract liquid is kept in a relatively strong acidic environment, such that the interference of impurities in glutinous corn bran to the pectin extraction can be effectively reduced. The PH is regulated to be less than 2.0 as much as possible; when the acidity is high, the extraction time is short; when the acidity is low, the extraction time is long. In order to reduce the sealing of calcium and magnesium ions in the glutinous corn bran to the pectin, sodium hexametaphosphate which accounts for 0.3 to 0.4 percent of the total weight of the extract liquid is added, such that a pectin extraction rate can be increased to 30 percent or more, and the gelatinization degree reaches 180.

The invention relates to a supercritical carbon dioxide power generation system combining a supercritical water oxidation technology. The system comprises a supercritical water oxidation unit, a heatexchange unit, a supercritical carbon dioxide power generation unit, an expansion machine power generation unit and a tail gas heat energy utilization recovery unit; the supercritical water oxidationunit involves a supercritical water oxidation reactor, the heat exchange unit involves a main heat exchanger, the supercritical carbon dioxide power generation unit involves a turbine, a motor, a high-temperature heat exchanger, a low-temperature heat exchanger, a high-temperature compressor, a low-temperature compressor and a cooler, and the expansion machine power generation unit involves an expansion machine and a generator; and the tail gas heat energy utilization recovery unit involves a liquefying separation treatment device. The supercritical carbon dioxide power generation system and method combining the supercritical water oxidation technology can effectively treat sewage sludge and generate electric energy; and an ecological development mode combining environmental pollution treatment and energy development and utilization is realized.

The invention relates to a drying process of a specific plant, which comprises the following steps of: 1. pretreatment: sorting prepared fresh pseudo-ginsengs; after separating and removing pruning openings, fibrous roots and flocking roots attached to the fresh pseudo-ginseng roots, and then obtaining main pseudo-ginseng roots; cleaning and removing surface attachments, leaching surface water and mincing by a mincer to obtain granules of 10-20 meshes; 2. pre-freezing: directly placing the granules into a pre-freezing chamber at minus 15-minus 20 DEG C and pre-freezing for 4-5 hours; 3. sublimation drying: spreading the pre-frozen granules on a table disk made of heat conducting materials, controlling the thickness of the spread material to be below 5cm and shifting to a vacuum drying chamber; after sealing, vacuumizing, maintaining internal vacuum pressure at 30-70Pa, setting the temperature of the table disk to be 40 DEG C, continuously supplying heat to the table disk and carrying out sublimation drying in vacuum for 5-7 hours till the table disk is heated to 40 DEG C; 4. analysis: maintaining the temperature of the table disk to be 40 DEG C and continuously supplying heat to the table disk and vacuumizing for 4-6 hours till the material is heated to 40 DEG C and material water is controlled to be below 3 percent; and 5. discharging and packaging.

A process for using white birch suspending culture for producing oleanolic acid. The method includes: taking the dormant bud, leaf and seed of one-year-old branches of white birch as materials, inoculating in 1mg / L of WPM+6-BA medium to obtain white birch aseptic seedling, and then taking the stem and leaf of the aseptic seedling as explants, inducing on the medium IS to get stable and rapid growing callus, and finally culturing the suspension cell lines in a B5 medium in which the hormones are 0.1 - 0.4mg / L 6-BA and 0.01 - 0.1mg / L TDZ, the sucrose is 20g / L, the pH value is 6.0 - 6.5, the fresh weight of inoculating amount is 30 - 50g / L. Stable white birch suspending culture cell lines are obtained by multi-times of successive transfer culture at 23 - 25 DEG C, 110 - 130 turn / min, lighting 8 - 10h / d and light intensity 1400 - 1700Lx, 15 days / successive transfer. Tested by a high performance liquid chromatography, the oleanolic acid content in the obtained white birch suspending culture cells can attain 0.217 - 0.714mg / g (dry weight). The present invention produces the oleanolic acid in the cell engineering method form white birch plants in the first time, which has short period, low cost, largely saved manpower and material and raised labor productivity, to provide a new way to solve the the shortage of natural plant drugs sources and industrial mass production of oleanolic acid drugs.

The invention discloses raw material particles containing sludge and polyvinyl chloride for preparing an electric wire and cable protective sleeve material and a preparation method thereof. The raw material particles are prepared from 100 parts of polyvinyl chloride (PVC), 20 to 60 parts of sludge fine powder, 0.2 to 1 part of indianite, 0.2 to 1 part of needle-shaped wollastonite, 1 to 10 parts of rutile type titanium dioxide, 10 to 30 parts of nano calcium carbonate, 5 to 20 parts of precipitated white carbon black, 10 to 30 parts of epoxidized soybean oil, 2 to 4 parts of a liquid calcium-zinc stabilizer, 4 to 10 parts of chlorinated paraffin, 0.8 to 1.6 parts of stearic acid, 1 to 5 parts of aluminate and 10 to 20 parts of dioctyl phthalate. The preparation method comprises the following steps: stirring at a high speed to prepare dispersed modified powder A; meanwhile, preparing a PVC-based modified organic carrier material B; then mixing the materials A and B while stirring at a high speed; and finally, granulating through double screw rods-single screw rod extrusion. The prepared particles can be used as a protective sleeve layer material of electric wires and cables. The environment-friendly particles prepared by the preparation method are easy to process and mold and the mechanical, electrical and anti-ageing properties of the prepared terminal protective sleeve material are excellent; and the particles can be used in fields including industrial or civilian electric wires and cables.