560results about How to "Promote development and utilization" patented technology

The invention, which belongs to the grid-connected optimization operation field of the new energy, relates to a combined system energy optimization method with consideration of wind power consumption; and thus in order to solve a wind curtailment problem, the combined system energy optimization method uses a cogeneration system based on combined operation of a wind power-electric energy storage-heat accumulating type electric boiler and takes economic optimum as an objective to reduce the wind-curtailment power effectively by increasing the load space. To be specific, the method comprises the following steps: (1), establishing an overall system framework including a conventional thermal power generating unit, a cogeneration unit, a wind turbine generator, an electric energy storage and heat accumulating type electric boiler; (2), carrying out comprehensive modeling of a cogeneration system; (3), establishing an optimal economic objective function; (4), establishing a power and heating power balancing relationship and operational constraints of all units during the operation period of the cogeneration cooperation system; and (5), carrying out optimization for active power outputs of all units. Therefore, development and utilization of the wind power are promoted; and power supply reliability of the power system is improved. The method can be applied to large-scale-wind-power-included provincial companies of all stages and has the broad application prospects.

The invention provides a method for producing dehydrated calcium sulfate whisker, comprising: using copper, lead, zinc, aluminium, nickel, cobalt, stannum, non-ferrous metal secondary resource cycle utilizing, calcium nitrate solution produced in treating process of electroplating waste, calcium chloride solution, or mixed water solution of calcium nitrate and calcium chloride as raw material, using sulfuric acid as calcium ion precipitant, adding whisker shape regulating agent, controlling reaction condition, regenerating aqua fortis or hydrochloric acid lixiviant, and simultaneously producing ultralong and big length to diameter ratio calcium sulphate dihydrate whisker. After calcium sulphate dihydrate whisker is deposited from calcium nitrate solution, calcium chloride solution or the mixed solution of calcium nitrate and calcium chloride are deposited, the water solution is translated to be nitric acid solution, hydrochloric acid solution or a mixed solution of nitric acid and hydrochloric acid, returning back to leaching out or treating process for processing non-ferrous metal mineral substance, non-ferrous metal secondary resource or electroplating remove. The calcium sulphate dihydrate whisker is treated by microwave heating, forming calcium sulfate hemihydrate or anhydrous sulphate of calcium after dehydration.

The invention relates to a renewable energy source integrated complementary power generation technology for a distributed power supply and provides a multi-energy integrated complementary power generation method and multi-energy integrated complementary power generation device consisting of water energy, wind energy, solar energy and other renewable energy sources. According to the method, the water energy serves as a main body, the peculiar mountain valley wind of a hydropower station is fully utilized, the solar energy, the biomass energy and other renewable energy sources which can be relatively concentrated are locally utilized and are gathered around the hydropower station, a low-voltage alternating current bus [W1] of the hydropower station serves as a grid-connected access point, and a water, wind, solar and biomass multi-energy integrated complementary power generation system which takes water and electricity as the center and takes the water and wind complementation as the basis. According to the device, a hydropower station [G1] serves as a main body, the electric energy generated by power generation subsystems [G2], [G3], [G4] and [G5] is subjected to full power conversion and is connected to the [W1] in a grid-connected mode, the original switching device and grid line of the hydropower station are utilized, and a multi-type renewable energy source integrated complementary distributed power supply which can supply power in a grid-connected mode and independently operate is formed.

The invention relates to a preparation of an active carbon fiber-metal organic framework composite material for adsorbing and separating gases. The preparation comprises the following steps: covering surfaces of active carbon fibers with a metal precursor by utilizing a homogeneous precipitation method, coordinating and complexing the metal precursor and an organic ligand at the surface of the surfaces of the active carbon fibers under a water or solvent thermal condition to form a metal organic framework structure, so that the compounding of the active carbon fibers and the metal organic framework material is finally realized. The preparation process of the active carbon fiber-metal organic framework composite material is simple, the reaction condition is moderate, the material property is stable, and the active carbon fiber-metal organic framework composite material has a porous structure. The composite material has apparent selectively adsorption performance for CH4 and CO2 in the adsorption and separation process of the gases such as CH4 / N2, CO2 / CH4, CO2 / N2, CO2 / CH4 / N2 and the like, and is particularly suitable for separating low-quality methane gas, purifying high-concentration methane and capturing CO2.

The invention discloses a large-scale cultivation method and a quality detection method of cordyceps militaris fruit bodies, comprising the steps of: (1) screening spawn; (2) preparing a rice solid culture medium (40-55 parts of rice and 45-60 parts of nutrient solution in every 100 parts by weight) and killing bacteria; (3) preparing liquid spawn: activating the spawn, inoculating the spawn into a liquid culture medium, conducting static culture for 24 hours and performing suspension culture on a shaking table; (4) culturing fruit bodies: inoculating the liquid spawn on the solid culture medium for dark culture for 6 days at the temperature of 20 DEG C until the surface of the medium is covered by mycelium; placing the well grown mycelium under incandescence with light intensity of 100 to 300 lux, wherein during a primordium growth phase, illumination is performed for 20-24 hours per day at the temperature of 20-24 DEG C; and during a fruit bodies growth phase, illumination is performed for 8-12 hours per day at the temperature of 18-20 DEG C and the fruit bodies are harvested 5 to 8 days after mature. The cordyceps militaris fruit bodies cultured by the method have the advantages of high yield and high content of active ingredients. Batches of cordyceps militaris fruit bodies have fingerprints with a similarity value greater than 0.950, indicating stable and controllable quality.

The invention discloses multi-phase combined lightweight aggregate concrete and a preparation method thereof. The multi-phase combined lightweight aggregate concrete is prepared from the following raw materials in part by weight: 1 part of cement, 0.40 to 0.50 part of fly ash, 1.836 to 2.219 parts of pumice sand, 0.028 to 0.043 part of corn straw fibers, 0.006 to 0.008 part of polyphenyl particles, 0.23 to 0.33 parts of rubber particles, 0.010 to 0.015 part of additive, 0.005 to 0.007 part of foaming agent, and 0.50 to 0.55 parts of water. The preparation method comprises the following steps:1, preparing thin-coating pumice sand and thin-coating straw fibers; 2, performing interference treatment of polyphenyl particles and rubber particles; 3, uniformly stirring the cement, fly ash, water, additive and thin-coating pumice sand; and 4, adding the polyphenyl particles, rubber particles and thin-coating straw fibers in turn, and continuing to stir. When the method is used, the mechanical performance of the lightweight aggregate concrete can be improved effectively, the thermal-insulation and heat-preservation performance is enhanced, and production cost is lowered.

The invention provides a triple-enzyme hydrolysis preparation method of anti-tumor polypeptides of spirulina. The method comprises the following steps: preparing a solution having a concentration of 5 percent from spirulina powder with ultrapure water; repeatedly freezing and thawing, homogenizing and performing ultrasonic treatment, centrifuging to obtain supernate, freezing and drying for later use; adding the prepared protein fluid into pepsin for enzyme hydrolysis, controlling the pH value, adding trypsin for enzyme hydrolysis, adding chymotrypsin for enzyme hydrolysis, controlling the pH value, deactivating enzyme, cooling, and centrifuging to obtain supernate; sequentially filtering with ultrafiltration membranes having molecular weight cut-off of 10KD, 5KD and 3KD respectively to obtain three kinds of spirulina protein enzymatic hydrolysates; carrying out sephadex G15 column chromatography on 0-3K of enzymatic hydrolysate, eluting with water, and collecting four polypeptide ingredients, namely anti-tumor polypeptides of spirulina. The obtained spirulina polypeptide and monopeptide ingredients can be used for establishing a theoretical basis for development and utilization of anti-tumor medicines and health foods.

The invention discloses a low-grade magnetite pre-selection and waste abandoning mineral separation process. The process comprises the following steps: carrying out coarse crushing, carrying out medium crushing, carrying out first-section sieving, carrying out first-section pre-selection and waste abandoning, carrying out fine crushing, carrying out ultrafine crushing, carrying out second-section sieving, and carrying out second-section pre-selection and waste abandoning. After raw ores are subjected to the coarse crushing and the medium crushing, three products are sieved by the first-section sieving; oversize products obtained after the first-section sieving is finely crushed through ore concentrate which is obtained by the first-section pre-selection and waste abandoning to form a fine crushing closed cycle; sized products obtained after the first-section sieving and the oversize products obtained after the second-section sieving are finely crushed and then are returned back to the second-section sieving to form an ultrafine crushing closed cycle; undersize products obtained after the first-section sieving and undersize products obtained after the second-section sieving are subjected to the second-section pre-selection and waste abandoning, and tailings in the first-section pre-selection and tailings in the second-section pre-selection are final tailings; and ore concentrate in the second-section pre-selection is a final product. According to the low-grade magnetite pre-selection and waste abandoning mineral separation process, a plurality of waste stones can be abandoned and the amount of ore entering a mill is reduced; the mill-entering grade of iron ores is improved, and the energy consumption and the consumption of steel balls can be reduced; and the development and the utilization of low-grade magnetite ores are facilitated, and the utilization rate of resources is expanded.

The invention discloses polypropylene fiber coral concrete and a preparation method thereof. The concrete is composed of coral concrete and polypropylene fibers, wherein the coral concrete is in C30 grade and comprises the following components per cubic meter: 405kg of cement, 45kg of coal ash, 830kg of medium sand, 716kg of coral, 180kg of seawater and 4.5kg of water reducing agent; the polypropylene fibers are unifilar bunchy short fibers and respectively 19mm in length; the tensile strength of the polypropylene fibers is greater than 500MPa. The preparation method comprises the following steps: pouring the sand and the coral into a stirrer for stirring; adding the polypropylene fibers and performing dry stirring evenly; then adding one half of seawater and stirring; and finally, adding the cement, the coal ash, the water reducing agent and the rest of seawater and evenly stirring so as to obtain the polypropylene fiber coral concrete. The polypropylene fiber coral concrete is excellent in splitting tensile strength and rupture strength, and is good in toughness, crack resistance and permeability resistance at the same time. In addition, the polypropylene fiber coral concrete has the advantages of light weight, low cost and the like, and can be prepared by utilizing local materials. Thus, the maintenance of maritime rights and interests and the development and the utilization of marine resources are facilitated. As a result, the polypropylene fiber coral concrete accords with requirements of the maritime strategy in China.

The invention relates to a method for continuously extracting and separating maize yellow pigment and zein from maize protein meal with high yield and high quality, and belongs to the technical field of deep processing of the maize protein meal. The method comprises the following steps: carrying out degreasing with n-hexane, carrying out extraction in an opaque background with ultrasonic waves, and carrying out centrifugation to obtain supernate and filter residue; conducting vacuum concentration on the supernate to obtain red oily maize yellow pigment; conducting enzymolysis and starch removal treatment on the filter residue with alpha-amylase and beta-glycosidase, and carrying out microwave extraction and centrifugation to obtain a zein extract; adjusting the pH value of the zein extract to a protein isoelectric point, carrying out washing with water and precipitation to obtain wet zein powder, and carrying out vacuum freeze-drying to obtain a white zein product. The content of the corn yellow pigment in the product is 0.25mg / g to 0.29mg / g; the extraction rate is 86% to 94%; the protein content of the zein product is 90% to 93% by mass; the yield of zein is 39% to 46%.

The invention discloses a method for separating yellow meal worm dried goods to prepare ultramicro yellow meal worm protein powder and shell material, which comprises the steps that: step 1. yellow meal worm degreased dried goods is prepared, and parameter requirements are 6-10 percent of water content, 14-30 meshes of graded granularity and less than 5 percent of fat residue; step 2. the yellow meal worm dried goods obtained from the step 1 is ground into 60-100 meshes; step 3: the powder of the yellow meal worm dried goods obtained from the step 2 is transferred to a super-micro fluid jet mill; the protein is collected after being pulverized by air flow and the ultramicro yellow meal worm protein powder is obtained; the rest residue is the shell material which is rich in chitin. The method can not only well realize the separation of yellow meal worm protein and the shell material, but also prepare the yellow meal worm protein powder with high pureness, fine granularity and no solvent residue, which starts a new way in the development of yellow meal worm resource.

The invention relates to a bimetal organic framework material adsorbent applied to methane / nitrogen separation and a preparation method thereof. The bimetal organic framework material adsorbent is a compound with super-molecular porous network structure, wherein the compound is formed by coordinating two metal ions with an organic ligand HCOOH under the action of an adjusting agent; at least one of the two metal ions is Ni(II); the coordination conditions of different metals are controlled by adjusting complexation of Ni(II) to obtain several bimetal organic framework materials with different metal ratios. The prepared adsorbent has rich micro-porous structures; the purpose of adjusting pore properties microscopically is achieved; the NH4 / N2 separation effect is excellent; the material is simple to prepare and low in cost, and is extremely applicable to development and recycling of low-quality methane separated under low pressure.

The invention provides a double metal cyanide-rare earth compound composite catalyst for CO2-epoxypropane copolymerization. In the catalyst, the mol ratio of the metal Co, Fe, Ni or Cr to La, Pr, Nd, Yb, Lu or Y of rare earth is 1:1-1:16. When the catalyst is used for the CO2-epoxypropane copolymerization, the weight content of cyclic carbonate ester in a reaction mixture is less than 2 percent, the polymer yield in a crude product is improved by more than 30 percent compared with the condition that only the double metal cyanide is used as the catalyst, and the maximum catalysis efficiency can reach 52kg of polymer in 1g of compound DMC (Dimethyl Carbonate). In the copolymer, the content of carbonic ester is more than 35 percent, and the content of Mn is more than 100,000g / mol.

The invention discloses a lignum naucleae leaf extract which is characterized in that the extract is obtained by using one of the following methods: (1) the lignum naucleae leaf extract is obtained by water extraction and impurity removal of traditional Chinese medicine lignum naucleae leaves; (2) the lignum naucleae leaf extract is obtained by alcohol extraction and impurity removal of the traditional Chinese medicine lignum naucleae leaves; (3) the lignum naucleae leaf extract is obtained by lipophilic organic solvent extraction and impurity removal of the traditional Chinese medicine lignum naucleae leaves, and the lipophilic organic solvent includes but not limited by n-butyl alcohol or ethyl acetate. The invention further discloses a preparation method of the lignum naucleae leaf extract, a preparation and a new purpose. The lignum naucleae leaf extract of the invention has exact effects of clearing heat and removing toxin. The extraction process of the invention is simple and reasonable, which can obtain the effective parts. The invention opens up a precedent of obtaining the lignum naucleae leaf extract from the lignum naucleae leaves to be used for the drugs for clearing heat and removing toxin, which can not only ease the shortage of raw materials, but is also conductive to the sustainable and rational development, utilization and protection of lignum naucleae resources.

Relating to the field of genetics, the invention specifically provides a screening method and application of a Dongxiang blue-eggshell chicken genome SNP molecular marker. The screening method includes: conducting high-throughput sequencing detection, then calculating the genetic statistics, then analyzing the genetic difference between Dongxiang blue-eggshell chickens and other chicken breed groups, and finally screening out the Dongxiang blue-eggshell chicken SNP molecular marker. The screening method has the technical effects of efficient and rapid screening of Dongxiang blue-eggshell chicken molecular marker, the selected gene of the screened Dongxiang blue-eggshell chicken serves as the molecular marker for identifying the Dongxiang blue-eggshell chicken germplasm, has the characteristics of low cost, abundant data and high detection precision, alleviates the technical problems of high genetic differentiation research cost and low accuracy caused by lack of efficient molecular biological method and genetic marker in current Dongxiang blue-eggshell chicken genetic differentiation identification. And application of the Dongxiang blue-eggshell chicken genome SNP molecular markeralleviates the technical problem of lack of efficient molecular biological marker in the genetic differentiation research of Dongxiang blue-eggshell chicken.

The fish skin leather processing method includes painting acrylic resin onto tanned fish skin, the first ironing and shaping in leather ironing machine after drying, spraying the mixture of polyurethane and acrylic resin onto the fish skin, the second ironing and shaping in leather ironing machine after drying, spraying the mixture of nitrocellulose brightener and slip agent onto the fish skin, the third ironing and shaping in leather ironing machine after drying, and spraying the mixture of feeling agent and waterproof agent onto the fish skin. The advantages include good feeling, high tensile strength, cold resistance, water proofing, no delaminating, high penetrating and beautiful grain of the processed fish leather; low processing cost, less pollution, etc. The skin leather is suitable for making various leather products.

The invention discloses a daily traditional Chinese medicine therapy intelligent consultancy system for western medicine or public self-service application. The daily traditional Chinese medicine therapy intelligent consultancy system adopts a technical scheme that the technical scheme comprises the following steps of checking and determining three states of health, sub-health and disease by western medicine, and respectively designing to-be-selected syndrome groups according to related factors of the discrimination; distributing the weights of the syndrome groups by a deviation weight method; defining membership functions for recognizing a pattern of the syndrome, and recognizing and sequencing the pattern of the syndrome by a multi-feature fuzzy pattern recognizing method; outputting the preferable sequence of traditional Chinese medicine therapy prescriptions by the pattern of the syndrome-prescription conversion; according to the effect feedback, optimizing the sequence. The daily traditional Chinese medicine therapy intelligent consultancy system has the advantages that by establishing a user information database, a diagnosis-selection syndrome database, a diagnosis-syndrome group database, a therapy prescription database and the like, and designing the mutual contact and support between modules of syndrome collection, discrimination, prescription outputting, feedback correcting and the like, the intelligent process of syndrome, discrimination, prescription output and feedback correcting is realized, so that the rapid and accurate query of the daily traditional Chinese medicine therapy is realized, and the problems of inconvenience in query, lack of discrimination and the like in the western medicine or public self-service application are solved.

The invention provides a dual-enzyme hydrolysis preparation method of anti-tumor polypeptides of spirulina. The method comprises the following steps: preparing spirulina holoprotein with pure water by means of repeated freezing and thawing, homogenizing and ultrasonic treatment; preparing spirulina polypeptides by means of an alkaline protease Alcalase 2.4 and papain dual-enzyme hydrolysis method; separating and purifying by utilizing an ultrafiltration membrane to acquire spirulina polypeptides having molecular weight ranges of 0-3K, 3-5K, 5-10K and more than 10K. The obtained spirulina polypeptide and monopeptide ingredients can be used for establishing a theoretical basis for development and utilization of anti-tumor medicines and health foods.

The invention discloses a wind / solar hybrid power supply system for traction power supply. A wind turbine generator system generates a three-phase AC with a rated voltage of 690V, a rectification circuit and a Boost circuit convert the three-phase AC into a 1200V DC, a photovoltaic cell generates a DC, the Boost circuit converts the DC into a 1200V DC, an inversion unit inverts the 1200V DC into a single-phase 50Hz AC, a single phase transformer boosts the voltage to 35KV and directly supplies the single-phase 50Hz AC as a traction power source to a traction electrical substation, and an energy management unit controls the wind / solar hybrid power supply system for traction power supply to operate under four working conditions, according to the real operation conditions. In the power supply method of the invention, a wind / solar hybrid power supply is directly accessed to the primary side of the traction electrical substation, the complexity of the traction transformer is simplified, the negative phase-sequence problem and neutral-section passing problem generated by a railway electrification system in a power supply section are avoided, and the application of renewable energy in traction power supply is promoted.

The invention relates to a blueberry oral liquid, which belongs to the technical field of health foods. The blueberry oral liquid is prepared by the following steps: a, adding 15 to 30 grams of Chinese wolfberry extract, 0.8 to 1.5 grams of lutein and 1.0 gram of citric acid to 1,000 milliliters of blueberry juice, stirring the mixture evenly, and filling the mixture; and b, sterilizing the filled oral liquid with microwave for 1.5 minutes to obtain the finished product. The blueberry oral liquid has the advantages of convenience for eating, high nutritive value, and good mouthfeel and health care function. Besides, the blueberry oral liquid is advantageous for developing and utilizing blueberry resources.

The invention discloses a lotus leaf eurotium cristatum tea and a preparation method thereof. The lotus leaf eurotium cristatum tea is prepared by taking lotus leaves as the raw material through the processes of sterilization, eurotium cristatum inoculation, fermentation and drying. Eurotium cristatums are bestrewed on the surface of the prepared lotus leaf eurotium cristatum tea, the lotus leaf eurotium cristatum tea is strong in eurotium cristatum fragrance, and the liquid of the lotus leaf eurotium cristatum tea is organ, clear and bright, and tastes sweet and mellow. The invention provides a new tea substitute beverage, which has unique quality and flavor, the varieties of lotus leaf tea products are enriched, the development of lotus leaf resources can be promoted, and the application and development prospects are wide.

The invention provides an asexual propagation cultivating method for rhubarb vine, and relates to a plant breeding method, in particular to a medicinal plant breeding and cultivating method. The invention uses a twig of the rhubarb vine for cuttage and seedling, and the breeding method is as follows: A. the selection of a cuttage bed; B. the tidying up of the cuttage bed; C. the collection of the cuttage tress; D. the disinfection process of the tress; E. the cottage and management; F. the selection and the tidying up of the planting filed and the growth environment; G. the transplant and the management of the water and the fertilizer; I. to the arranging the rattan for climbing the frame; J. the prevention and cure of the pest. The actualization of the invention can improve the artificial breeding rate of the rhubarb vine, shorten the breeding period, avoid the excess pick of the wild rhubarb vine, protect the resource of the rhubarb vine, realize the industrialization planting of the rhubarb vine, facilitate the development and utilization of the rhubarb vine, provide process material to the pharmacy corporation for bright-marketing product, protect the wild resource, and preserve the water and oil.

The invention discloses a real-time browsing method for a three-dimensional underground space full-element model, and relates to a technology for displaying virtual reality on a display screen. The method comprises the following steps of performing unification processing on underground space source data; performing dynamic three-dimensional model construction on stratum data; performing entity model construction on underground space data except the stratum; and performing real-time mutex scheduling browsing on three-dimensional underground space full-element data. The method has the advantages that: on the basis of preprocessing the data, real-time update is performed through seamless integration of the three-dimensional space data in syntax, semantics and model level with a data mining method, so that effective integration of multi-source data and efficient creation of three-dimensional scenes of underground space of various scales are realized, dynamic real-time scheduling browsing of the underground space full-element data model is realized, and the scientificity and safety of urban underground space planning are improved; and the unified display, management and analysis level of the underground space is improved.

The invention provides a technology for extracting puerarin and a process for making kudzu root beverage. The technology for extracting puerarin adopts an ultrasonic multistage advection contact process to carry out extraction, wherein the contact process is as follows: the second stage and the third stage of a three-stage advection contact process for extracting kudzu root adopt ultrasonic wave to assist the extraction; the process for making kudzu root beverage comprises material selection, pretreatment and precooking; during extraction, the ultrasonic multistage advection contact process is adopted to extract kudzu root; finally, the extract is made into kudzu root beverage after centrifugation. The extracting technology is scientific and reasonable and has short extraction time, good effect and strong operability; when the technology is adopted to make kudzu root beverage, the process of the technology has low requirement on equipment and is easy to control along with strong operability, less energy consumption and low production cost; therefore, the technology is suitable for the large-scale production of kudzu root beverage; moreover, manufactured kudzu root beverage has abundant nutrition, convenient eating and delicious and various tastes; therefore, the technology has tremendous economic benefit.

The invention provides an active peptide embedded nanoparticle and a preparation method thereof and aims to solve the problem that albumen derived active peptides which are easily degradable in a gastrointestinal digestive system cannot be completely absorbed currently. By adoption of ionic gel, chitosan and sodium tripolyphosphate serve as nano coating materials to realize embedding of albumen derived active peptides, with four different molecular weights, obtained by enzymolysis, and consequently the albumen peptide-chitosan nanoparticle great in embedding performance is obtained. A gap in protection and promotion of biological absorption and utilization of the albumen derived active peptides is filled, a new idea is provided for deep processing in the industry of egg products, and resource integration and maximal reasonable application of the egg products are realized.

The invention discloses an electric hydrogen comprehensive energy system considering seasonal hydrogen storage and a robust planning method thereof, and the method comprises the steps: establishing across-seasonal hydrogen storage model, and enabling the model to achieve the cross-seasonal complementation according to the difference of renewable energy output and multi-energy demands in differentseasons; secondly, performing modeling on a gas turbine, a draught fan, a photovoltaic device, an energy storage device and the like, and therefore forming the electricity-hydrogen comprehensive energy system with the multi-energy requirements of electricity, heat, cold, hydrogen and the like. According to the three-layer min-max-min robust programming model considering renewable energy output uncertainty, the inner layer adopts a 0-1 variable to represent a cross-seasonal storage charging and discharging state, so that the model needs to be solved by adopting an N-C & CG algorithm. Results show that the method effectively improves the renewable energy permeation level of the electric hydrogen comprehensive energy system, and improves the system economy.

The invention discloses a method for constructing and building arbor wave-eliminating forest belt on non-forestry river mouth sludge intertidal zone beach, wherein the method belongs to the technical field of agricultural cultivation. The method comprises the following steps of A, manual ditching and fetching soil for manufacturing piers and lifting ground; B, planting arbor container seedlings; C, performing mechanical soil working and planting a mangrove forest; D, planting intersected arbors in a mangrove planting area; and E, performing ditch cleaning and supporting, thereby improving tree growth and beach siltation. The method of the invention has functions of realizing normal growth of arbor trees such as Casuarina equisetifolia on the wetland of the non-forestry river mouth sludge intertidal zone beach, improving survival rate of the protection forest, successively applying creation of wave-eliminating forest belt on the wetland of the non-forestry beach, facilitating restoring and reconstruction of the biological system on the wetland of the non-forestry beach, facilitating resistance for great natural disasters such as typhoon and flooding tide at coastal regions, and performing a positive function on economic development of Chinese sea.

The invention provides a peanut milk nutrient solution prepared from a peanut meal protein extracting solution. The nutrient solution consists of the following raw materials in percent by mass: 15-25 percent of peanut meal protein extracting solution, 3-5 percent of skim milk powder, 3-7 percent of white granulated sugar, 0.15-0.25 percent of compound stabilizer, 0.04-0.07 percent of essence and the balance of water. The peanut meal protein extracting solution is prepared by the following methods: drying the degreased peanut meal, grinding the peanut meal into peanut meal particles with the granularity of 20-100 meshes, and extracting the peanut meal protein extracting solution by adopting an enzyme extraction method or an alkali extraction method. The peanut milk nutrient solution is rich in nutrition and fragrant in taste, animal proteins in milk and vegetable proteins in peanut are effectively combined, an effect of complementing nutrition is achieved, the balance of amino acid composition is guaranteed, and the utilization rate and nutritive value of the peanut protein are improved.

The invention discloses a wheel beam type axle-free frame manufactured by 3D printing. The wheel beam type axle-free frame comprises connecting support frames, front and rear wheel beam frames, a bottom plate and a car body, wherein the connecting support frames, the front and rear wheel beam frames, the bottom plate and the car body are integrally formed by the 3D printing. The wheel beam type axle-free frame has the advantages that the chassis is integrally manufactured by the 3D printing, welding and riveting are replaced by the 3D printing, and high overall strength and lightness are achieved; lightness is improved favorably, the frame is light, high in strength and rigidity and capable of reasonably bearing all loads, and torque and bending degree can be changed in a controllable range.

The present invention discloses a preparation method and an application of a mussel oligopeptide, and belongs to the field of marine biotechnology application. The preparation method comprises: adopting mytilus edulis as a raw material, and adopting an alkaline cold extraction method to obtain mussel protein from mussel freeze-drying powder; and carrying out composite enzymolysis of protein to obtain mixed polypeptides, carrying out ultra-filtration to obtain the oligopeptide, adopting aging mouse models to carry out a series of anti-aging animal experiments and behavioral experiments, and carrying out a drosophila survive experiment to prove aging delay activity of the mussel oligopeptide so as to create a new approach for achievement of scientific and high-value mussel utilization. Compared with the method in the prior art, the method of the present invention has the following advantages that: the mussel protein is extracted and prepared, the optimal protease and the preferred process are adopted to carry out enzymolysis purification on the mussel protein, decomposition on the mussel protein molecule structure due to the high temperature is avoided, the grading of the mussel polypeptide at the molecular weight level is achieved, and the obtained mussel oligopeptide has the pure and good aging delay effect.