331results about How to "Increase water permeability and breathability" patented technology

This invention discloses a compound antibacterial silk nanometer fibrous material, accounting for weight its component proportion are: Sericin protein 58-90%; chitosan or chitin 0-40%, antibacterial agent 0-5%, electric conduction 1-4%,crossing linking 1-4%. Its process is: dissolve the pure sericin protein, antibiotics separately in polar solvent, join electric conduction medicinal preparation and crosslinking agent, using the static electricity spinning technique, making the average aperture for 0.5-5.0 micron, factor of porosity 60-90%, the mean diameter is 40-100nm and the material is nanometer textile fiber adhesive-bonded membrane. This invention has good organization compatibility with human body, Antibiotics and sericin insoluble is in homogeneous solvent, massive holes among the nanometer textile fiber adhesive-bonded membrane, which has outstanding aqueous percolation permeability, antibacterial agent distributes evenly in the nanometer textile fiber, and the medicine release effect is perfect, so it can be a kind of ideal resist bacteria injured medical material.

The invention relates to a plant culture medium and a module thereof. The medium is characterized by comprising following raw material including 20-40 parts by weight of peat soil, 15-25 parts by weight of compost excrements of livestocks, 15-25 parts by weight of humic acid, 10-25 parts by weight of nitrogen-phosphorus-potassium mixed fertilizers, 3-15 parts by weight of expanded perlites, 3-15 parts by weight of shiitake fungus or fermented straw fine fibers, 3-10 parts by weight of amino acid, 0.1-3 parts by weight of probiotics, 0.1-3 parts by weight of protease, 0.1-3 parts by weight of marine bioactive extracts, 0.1-3 parts by weight of antimicrobial peptides, 0.1-3 parts by weight of rooting agents and 0.1-3 parts by weight of microelements. The marine bioactive extracts adopt sea algae extracts or mussel extracts. The probiotics utilize bacillus subtilis strains. The protease utilizes papain. The module is low in weight, convenient in transport, convenient in application and good in water permeability and air permeability and satisfies all kinds of nutrition needed by plants.

The invention discloses a bio-medical adhesive, which can be cross-linked with a wound in situ, and a preparation method of the bio-medical adhesive. The preparation method is characterized by comprising the steps of first, preparing oxidized sodium alginate by using sodium periodate to oxidize sodium alginate; dissolving the oxidized sodium alginate in an MES (Methyl Ester Sulfonate) buffer solution, dissolving 1-(3-dimethyl aminopropyl)-3-ethyl carbodiimide hydrochloride and N-hydroxyl succinimide in the MES buffer solution as well under nitrogen protection, continuously adding dopamine, carrying out dialyzing and freeze-drying after reacting for 8 to 24 hours, and obtaining A liquid by dissolving a reaction product in a PBS (Phosphate Buffer Solution) or a sodium borate solution; then, dissolving I-shaped collagen in an acid solution, and obtaining B liquid by neutralizing the solution pH (potential of Hydrogen) to be 5 to 8; firstly pre-treating the wound by using hydrogen peroxide or HRP (Horse Radish Peroxidase) before the bio-medical adhesive is used, then immediately coating the wound with the bio-medical adhesive after mixing the A liquid with the B liquid, and forming gel in 30 to 120 s, wherein the gel is firmly adhered to the surface of the wound. The bio-medical adhesive disclosed by the invention has a stronger adhesive force under a moist environment in vivo, integrates filling, sealing and bleeding stopping functions, is good in biocompatibility, is bio-degradable and can be used for promoting wound healing.

Provided are filter media for liquid filters and a method of manufacturing the same, in which a thin filter layer is formed and the content of nanofibers weighs light, by laminating a low weight nanofiber web on a porous nonwoven fabric, and thus a less differential pressure is applied before and after filtering, to thereby increase a pass flow rate. The filter medium includes: a porous support that plays a strength support role; and a nanofiber web that is laminated on one side of the porous support and is made of nanofibers of a polymer material, in which the nanofiber web comprises fine pores of a three-dimensional structure, through which a liquid to be treated passes, wherein content of the nanofibers is less than 5 gsm.

The multifunctional superfine powder rice seed coating agent is compounded with imidacloprid and other pesticide, Seedvax and other germicide, sodium nitrophenolate compound and other plant growth regulator, trace element fertilizer and other active components as well as compound filming agent chitosan and other non-active components, and through superfine grinding and other steps. It can form film automatically while being set in water and may be used for coating rice seed for raising seedling in water, raising seedling in dry land and direct seeding, with the weight ratio between the coating agent and the rice seed being 1 to 300-600. It can prevent diseases and pests of rice seedling for 50-65 days and promote rice seedling growth.

The invention relates to a novel environment-friendly water-based plastic track, which comprises three layers of structures such as a base surface layer, a plastic elastic layer and an antiskid surface layer, wherein the base surface layer is provided with a concrete or asphalt structure; the plastic elastic layer is formed by fully stirring cement, a water-based polymer emulsion, black waste rubber particles of which the particle size is 3 mm, water and an aid, paving the mixture on the base surface layer and solidifying the mixture at the normal temperature of -50 DEG C, and reaches the required thickness; and the antiskid surface layer is formed by fully stirring white cement, a water-based polymer emulsion, water, pigment and an aid to obtain a slurry, paving the slurry on the plastic elastic layer, spraying 30 to 40 mass parts of colorized EPDM particles of which the particle size is 2 to 4 mm, and performing solidification under the condition that the temperature is between the normal temperature and 50 DEG C. The novel environment-friendly water-based plastic track adopts building water-based polymer emulsion modified cement as a binding agent, is nontoxic and environment-friendly, can be used for construction in a moist environment with water, has a low cost, is simple and convenient to operate, is ventilate and hydro-ceramic, has high physical properties, and does not drop particles, and all properties of the novel environment-friendly water-based plastic track reach national standards.

The invention discloses a method for culturing an orchid and a special bacterium thereof. The name of the bacterium of the invention is GDB181 the preservation number of which is CGMCCNo.2574. The method of the invention includes the steps for together culturing the bacterium of the invention and the orchid. The bacterium of the invention is applicable for the root culturing of an orchid bacteria and builds an epiphyte bacterium with excellent root which effectively coexists with the orchid. The method of the invention for culturing the orchid can better control the inoculation amount and can fix the inoculation position, thus fully ensuring the tissue culture seedling of the orchid to build the coexistence relation with the epiphyte bacterium with excellent root, simultaneously simplifying the inoculation steps and reducing the inoculation times. Permanent effect can be achieved by being inoculated for once, thus avoiding the dead seedling phenomenon caused by a plurality of manual inoculations, thereby improving the survival rate of transplanting and obtaining the root orchid seedling which grows strongly. Therefore, the method for culturing bacterium, the culture medium of the bacterium and the culture medium of the orchid of the invention has important economic values and is applicable for popularization and application.

A flowerpot is made up by the plant fibres chosen from straw, stalk, husk, reed, grass, bamboo and wood and urea-formaldehyde adhesive through proportioning, pulverizing, mixing, wetting and die pressing. Its advantages are better water and air permeability and natural degradation of pot body by itself to supplement organic fertilizer.

The invention relates to a method for preparing a nanofiber bracket material using levorotatory polylactic acid as matrix. The method comprises the following steps: dissolving the levorotatory polylactic acid as the matrix in a solution of dichloromethane and dimethyl formamide, and stirring and centrifuging the mixture to obtain an electrostatic spinning solution; placing a polylactic acid solution into a 5 milliliter glass syringe, and applying high voltage on the glass syringe; advancing the levorotatory polylactic acid solution in the glass syringe; preparing the mixed solution into a nanofiber material film through a electrostatic spinning technology; and modifying the nanofiber material film to obtain the nanofiber bracket material of which the fiber diameter is between 50 and 500 nanometers and the fiber porosity is more than 90 percent. The method solves the defects that a PLLA porous bracket still has too long degradation time, and degradation products can cause tissue inflammations easily and the like. The method has the advantages of flexible texture, better water permeability and air permeability, excellent tissue compatibility, controllable biodegradability, and no antigenicity.

The invention discloses a hydrogel dressing capable of promoting wound healing and a preparation method thereof. The hydrogel dressing consists of: by mass, 25-35% of glycerin, 0.1-0.5% of sodium hyaluronate, 5-10% of a skeletal material, 0.1-0.2% of tartrate, 0.01-0.2% of disodium ethylene diamine tetraacetate, 0.1-0.2% of ethylparaben, 0.1-0.4% of a cross-linking agent, 0.5-1.5% of a filler, 0.01-0.1% of an essential component and 60-65% of deionized water. Due to the interaction between an oil phase and a water phase, a compact net structure is formed and water and the essential component are held in a gel, and after solidification and sterilization, the hydrogel dressing capable of promoting wound healing is prepared. The dressing is applicable to postoperative wound nursing of surgery and gynaecology and obstetrics, and helps to make the surface of the wound keep moist, effectively promote wound healing and inhibit scar hyperplasia.

The invention provides a multiple-effect super absorbent resin fertilizer. In the manufacturing process, sodium hydrogen sulfite and ammonium persulfate oxidation-reduction type initiator are used as foundations, and ultraviolet initiation is used as an auxiliary means; N-N'-methylene bisacrylamide is used as a crosslinking foundation, and ethylene glycol diglycidyl ether and glycerol are used as auxiliary means; hydroxyethyl acrylate is added in the polymerized monomer, so that the colloid strength of the high molecular polymer is obviously improved; antioxidant, ultraviolet absorbent and light stabilizer are creatively introduced, thus finally manufacturing super absorbent resin having oxidation resistance, light resistance and degradation resistance; the super absorbent resin is organically combined with humic acid, microbial inoculant and an inorganic fertilizer to perform synergistic action, so that the various effective elements achieve the optimal use effect. Meanwhile, the consumption of the inorganic fertilizer is reduced, the salt content of soil is reduced, the pH value of the soil is improved, the soil environment is improved, and soil hardening is prevented, thus greatly increasing the utilization ratio of nitrogen fertilizers, phosphate fertilizers and potassium fertilizers, and achieving comprehensive effects of water saving, fertilizer saving, yield increase and outcome increase.

The invention discloses a soil conditioner capable of reducing activity of heavy metal in soil and a preparation method thereof. The soil conditioner is prepared from sulfydryl modified plant straw powder, an inorganic porous material, caustic dross, humic acid mineral powder, a compound microbial fertilizer and a heavy metal chelating agent. According to parts by weight of the sulfydryl modifiedplant straw powder, the inorganic porous material, the caustic dross, the humic acid mineral powder, the compound microbial fertilizer and the heavy metal chelating agent, the sulfydryl modified plantstraw powder is 3 to 7 parts, the inorganic porous material is 15 to 45 parts, the caustic dross is 1 to 5 parts, the humic acid mineral powder is 20 to 40 parts, the compound microbial fertilizer is2 to 8 parts, and the heavy metal chelating agent is 0.5 to 3 parts. The soil conditioner disclosed by the invention can effectively reduce activity of the heavy metal in acidic heavy metal contaminated soil and further has the advantages of low cost, easiness in implementation, greenness and environmental friendliness.

The aquogel type thiamazole plaster includes a back lining layer, a medicine matrix layer and a protecting film. The medicine matrix layer contains medicine thiamazole in 0.2-20 wt% of the medicine matrix layer, aquogel type contact adhesive material, cross-linking agent, pH regulator, humectant, tackifier medicine, transdermal promoter and water, . The present invention has high transdermal effect of medicine, good skin compatibility, high air and moisture permeability, lowered toxicity and side effect of medicine and other advantages, and is used for treating hyperthyroidism.

The invention discloses an improved fertilizer for saline and alkaline land and a preparation method of the improved fertilizer. The improved fertilizer for the saline and alkaline land is prepared from the following raw materials in parts by weight: 25-28 parts of maleic anhydride, 15-20 parts of citric acid, 20-30 parts of calcium superphosphate, 10-12 parts of a sodium ion adsorbent, 2-4 parts of a microbial agent, 25-32 parts of fulvic acid, 15-20 parts of a trace element fertilizer, 30-38 parts of a chicken manure fermentation fertilizer, 20-35 parts of peat, 3-5 parts of perlite, 5-8 parts of vermiculite and 20-25 parts of smashed straw particles. The invention further provides the preparation method of the improved fertilizer for the saline and alkaline land. According to the improved fertilizer for the saline and alkaline land, various soil improving measures can be synthesized, effects of reducing salt and alkali for the saline and alkaline land are good, the water content of the soil is high, the water retention property and the fertilizer retention property of the soil are good, besides, the survival rate of planted plants is high, and virtuous cycle of the soil of the saline and alkaline land is realized.

The invention discloses PVC / PE / PVCD solid medicine using composite hard sheet manufacturing technology. It includes the following steps: unreeling for PVC basis material; corona treatment for its surface; coating adhesive; drying; unreeling for PE film; compositing the PVE basis material and PE film; solidifying; dying; corona treatment for the PE film surface; coating adhesive; coating PVCD glue; drying to form PVCD film; repeating coating the PVCD glue on the PE film; drying; rolling, solidifying to form PVCD film again; patting cut and detecting.

A cold storage method without boiling for reeling silk includes cold storage of fresh cocoon, loading in netted basket, putting in vacuum tank, vacuumizing, hot water osmosis, discharging water and repeating relative steps. Its advantages are high efficiency and high quality.

The invention discloses a saline alkali soil conditioning agent. The saline alkali soil conditioning agent comprises, by weight, 9 parts of biological charcoal, 45 parts of calcined phosphogypsum, 20parts of honeycomb briquette ash, 7 parts of modified zeolite, 6.5 parts of expanded perlite, 5.5 parts of humic acid powder, 4 parts of citric acid residue, 3 parts of polysilicate aluminum ferric, 3parts of diatomite, 1 part of a calcium activator, 0.4 part of a composite biological inocula, and 5 parts of an organic composite fertilizer. The saline alkali soil conditioning agent is capable ofimproving saline alkali soil physical and chemical properties effectively, improving time is short, and effect is achieved quickly.

The invention relates to a suspension type rape seed coating agent formulation. The suspension type rape seed coating agent is prepared by carrying out wet grinding on a film-forming agent, an emulsifier, an anti-freezing agent, a warning color material and insecticide, disinfectant, a plant growth regulator, a trace-element fertilizer and water; and the suspension type rape seed coating agent issuitable for carrying out coating treatment on all sorts of seeds. The rape seed coating agent provided by the invention has the advantages of simple manufacturing technique, convenience for coating and low cost and can be used for mechanical coating or manual coating, and the mass ratio of the rape seed coating agent to the seeds can reach up to 1 to 200-300; when the seeds are coated, a film with dense film pore channels is formed on the surface of each seed; and then the active components can be slowly released through the film pore channels and the lasting period is 55-day-long to 70-day-long; the prevention and cure rate of the coating agent on the rape seedling stage sclerotiniose is up to 86-97% and the prevention and cure rate on the aphid and the subterranean pest-insect is up to82-95%; a rape seedling has the developed roots, is neat and stocky and has strong stress resistance; the rate of emergence of the seedlings is improved by 8-18% and the planting percent is improved by 7-15% so that the yield is obviously increased. The suspension type rape seed coating agent has good economic benefits, social benefits and ecological benefits.

The invention belongs to the technical field of epoxy resin preparation and discloses an epoxy resin seepy material and a preparation method thereof and application. The epoxy resin seepy material is prepared from, by weight percentage, 5-35% of epoxy resin, 5-30% of modified self-emulsifying epoxy hardener, 0.5-3% of polyether polyamine, 0.5-3.5% of epoxy resin accelerator, 1-3.5% of epoxy resin diluent, 35-10% of water and 53-15% of inorganic filler. The modified self-emulsifying epoxy hardener is ricinoleic acid and / or fatty polyamine and / or alicyclic polyamine modified by a polymer of the ricinoleic acid. The epoxy resin seepy material has excellent seepy and breathable performances, the pore diameter of the epoxy resin seepy material is smaller than 20 [mu]m, the porosity is larger than 20%, the water absorption rate is larger than 20%, the pore diameter distribution is uniform, the surface is bright and clean, and the epoxy resin seepy material can be used for manufacturing ceramic industry slip casting dies, filter materials and air purification materials.

The invention discloses a culturing method for orchid. Through hardening tissue culture vessel seedlings in a seedling-hardening substrate, and middle and big seedlings are obtained through one or more years of culturing and then planted into a culture medium to be cultured, so that adult seedlings of the orchid are obtained. The culturing method and the substrate have the advantages of good water retention, fertilizer maintenance and moisture preservation; cleanness is achieved in the using process, harmful bacteria are not prone to being generated, good growth of the seedlings is guaranteed, and the growth of the orchid is facilitated; the substrate is made of agricultural waste, is ecological and environmentally friendly and saves the cost. The substrate increases the survival rate of hardened tissue culture seedlings of the orchid, the transplanting survival rate reaches 95% or above, growth speed is high, and the seedlings start to take root and come into leaves about 30 days after transplanting. The growth of the middle and big seedlings is promoted, the uniformity of the seedlings is improved, blooming is advanced, potting quality is excellent, and the production cost is lowered. The culturing method has the advantages that the production period is short, the production cost is low, air permeability and water permeability are good, and collecting and transporting are facilitated; the agricultural waste is effectively utilized for reducing deforestation, and therefore the environment is protected.

The invention relates to a method for ecologically restoring pits. The method is used for vegetation restoration by adopting a combination method of foreign soil greening and palisades spray seeding on slope toe platforms, improves the crumble structure and the smell of sludge, reduces the quantity of pathogenic bacteria and parasitic ova, and improves the available contents of nutrient indexes comprising N, P, K and the like by utilizing the organic fertilizer features of urban sludge per se, medicine dregs, agricultural wastes and the like through fertilizer composting so that the fertilizers are more beneficial to plant adsorption. The method ensures that a great amount of urban sludge is effectively handled, can be also used for improving the pits having no soil substrates for vegetation growth into soil suitable for reclamation, and is a good method which has the advantages of low improving cost, waste reclamation, simple and easy enforcement and effectiveness and can create huge environmental benefits, economic benefits and social benefits.

The invention belongs to the field of photovoltaic agriculture and medicinal herb plantation and relates to a method for bag-cultivating radix tetrastigme medicinal herbs under solar photovoltaic panels without greenhouses or tillage. On the basis of the characteristics that radix tetrastigme loves shade and is resistant to drought and cold, specially-made cultivation bags and cultivation mediums special for radix tetrastigme are adopted, and medicinal root tubers of radix tetrastigme are planted without greenhouses or tillage in shady and cool space under the solar photovoltaic panels. The radix tetrastigme medicinal herbs with high added value are bag-cultivated under the solar photovoltaic panels, greenhouses do not need to be set up, tillage is avoided, labor is saved for daily farming management, digging can be performed easily, and the root tubers of radix tetrastigme cannot be damaged; not only is the problem that greenhouse construction and tillage are not suitable for a ground centralized photovoltaic power station solved, but also continuous crop rotation and improvement of the ecological environment of a photovoltaic power generation site can be achieved; the comprehensive utilization rate of photovoltaic power generation project land is greatly increased, sunlight and land resources can be utilized stereoscopically and efficiently, dual good benefits can be obtained from photovoltaic power generation and medicinal herb plantation, and an ideal photovoltaic agriculture plantation mode is achieved.

The invention relates to a four-layer coaxial fiber wound dressing and a preparation method thereof and belongs to the field of biological materials. The material is prepared by adopting a synthetic polymer with biocompatibility and a natural polymer as main raw materials and using a four-layer coaxial needle through an electrostatic spinning method. The fiber has a four-layer coaxial structure, various layers of matrixes load different drugs according to the wound healing mechanism, and the release sequence of the drug can correspond to the wound healing process. The material has excellent biocompatibility and can release the drug in a manner of fitting with the wound healing mechanism.

The invention discloses a wild-imitating cultivation method for dendrobium officinale. The method includes the steps of planting field selecting, before-planting preparing, planting, seedling management and final-period management. A Reno mattress filled with rocks and / or gravels is laid on a forest land, a stone basal plane with a uniform height is convenient to construct and lay through the Renomattress, the stones can be also prevented from loss, the service life is long, then mosses are sown on the stones, and then dendrobium officinale domesticated seedlings are planted in stone seams. In this way, the dendrobium officinale seedlings have a growth environment similar to that of wild dendrobium officinale, and it is kept to grow naturally in original ecology for the dendrobium officinale seedlings, mineral absorption during growth is guaranteed, and since the mosses have good moisture preservation, the air humidity of a local environment can be effectively kept, and the growth ofdendrobium officinale can be promoted. The survival rate of the dendrobium officinale seedlings is effectively increased, the medicinal value of dendrobium officinale is effectively increased, benefits are high, the planting method is easy to operate, and dendrobium officinale is easy to plant and harvest.

The invention discloses a blueberry high yield planting method. The method comprises steps: a field block which is loose and has good ventilation is selected, green manure which is planted in the former year is ploughed to the ground, the pH value of the field block is adjusted to be 4.8 to 5.2, and then crop straws after maturity is applied; a greenhouse in a north-south direction is built, and the greenhouse is then sealed for 8 to 10 days; after greenhouse sealing, the greenhouse is opened for ventilation, soil is dug out from the field block to form a north-south planting furrow, and a two-layer coated multi-nutrient slow release fertilizer is applied to the planting furrow; ABT6 rooting powder, urea, single superphosphate, potassium chloride, mud and water are mixed uniformly to obtain a root protection liquid; the root of the blueberry seedling is put in the root protection liquid for being soaked for 5 to 8min, then taken out, and planted in the planting furrow, soil covering and firm stamping are carried out, and watering and seedling stability are carried out; straw residue with a coverage thickness of 10 to 15cm then covers the planting furrow; field management is carried out; and when the blueberry fruits are mature, picking is carried out. The field management comprises: A, fertilizer Management and B, water management.

The invention provides a virus-free basic potato seed production technology comprising the following three steps of seedbed treatment, cutting and management. The technology is characterized in that washed river sand is employed as the seedbed base, the management is carried out according to a certain method, and the formula of used nutrient solution is that 0.24 grams of N, 0.2 grams of P2O5 and0.48 grams of K2O are added in each liter of water and 0.6 grams of N, 0.6 grams of P2O5 and 0.6 grams of K2O are added in each liter of water. By adopting this technology, the yield of virus-free basic potato seeds per unit area is high, and the virus-free basic potato seeds are large in size, with 68% greater than 3 grams. As a technology for planting seeds for production, the technology of theinvention is low in requirement and high in survival rate.

The invention discloses a bacterial cellulose / fabric laminated composite material and a preparation method thereof. The preparation method comprises the following steps: (1) inoculating acetobacter xylinum into a fluid medium for enlarged cultivation; (2) appropriately cutting a fabric and treating with low-temperature oxygen plasmas or aqueous alkali, or through ultraviolet light surface grafting; and sterilizing and then drying the fabric; (3) arranging the medium containing floccules into a culture dish, spreading the treated fabric on bacterium solution, adding the medium containing floccules into the fabric, and arranging in a biochemical incubator until the laminated composite material is formed; and (4) soaking the composite material with deionized water at normal temperature, soaking the composite material with sodium hydroxide solution for two days, and soaking the composite material with deionized water until the composite material is neutral. The composite material is formed at a time, the appetency of the single fabric and the texture is improved, and the water retainability and the transdermal absorption ratio of the fabric are improved; meanwhile, the operation is convenient and simple and the using efficacy is greatly improved.

The invention relates to a superfine powder type rape seed coating agent. The superfine powder type rape seed coating agent is prepared by ultrasonically crushing active ingredients including bactericide hymexazol, insecticide imidacloprid, plant growth regulator compound sodium nitrophenolate, trace element fertilizer boric acid and the like, and inactive ingredients including film-forming agent carboxymethyl chitin, pigment, auxiliaries and the like. The superfine powder type rape seed coating agent is suitable for coating treatment of various rape seeds under different ecological conditions; the mass ratio of coated drug to seeds is as high as 1 to 150-180; a coated film with a film pore path is formed on the surface of the seed during a coating process; the active ingredients can be slowly released by the film pore path, so that the prevention and treatment agent for stalk break at the rape seedling period is 83%-97%, and the prevention and treatment rate for aphids and soil insects is 85%-96%; a rape root system is developed and strong in stress resistance, so that the emergence rate is improved by 10%-19%, the seedling emergency percentage is improved by 8%-17% and a yield-increasing effect is obvious. Besides, the superfine powder type rape seed coating agent is simple and convenient to produce, low in cost and convenient to use.

The invention relates to foamed micropore glass pumice for soil improvement. The foamed micropore glass pumice is characterized by containing foamed micropores, wherein the pore sizes of the foamed micropores are 2-3 mm, the water absorption of the foamed micropores is 30-50%, the strength of the foamed micropores is 2-4 MPa, and the density of the foamed micropores is 0.2-0.3 g / cm<3>; and the foamed micropore glass pumice is prepared through sintering a foamed mixture which comprises the following ingredients in percentage by weight: 85-90% of glass powder, 3-8% of marble powder, 2-5% of silica powder and 2-5% of gypsum powder, wherein the fineness of the glass powder is 40-100 microns, the fineness of the marble powder is 20-40 microns, the fineness of the silica powder is 20-40 microns, and the fineness of the gypsum powder is 20-40 microns. The invention further relates a preparation method of the foamed micropore glass pumice for soil improvement. The foamed micropore glass pumice has the advantages that the hardening of soil can be improved, the water permeability and air permeability of the soil can be improved, and the breeding of pests and diseases can be reduced.

The invention discloses a saline-alkali soil improver and a preparation method thereof. The saline-alkali soil improver contains the following components in parts by weight: 5-12 parts of bio-carbon,35-55 parts of calcined ardealite, 15-25 parts of honeycomb coal ash, 4-10 parts of modified zeolite, 5-8 parts of expanded perlite, 3-8 parts of humic acid powder, 2-6 parts of citric acid residue, 1-5 parts of poly-aluminum ferric silicate sulfate, 2-4 parts of diatomite, 0.5-1.5 parts of a calcium activating agent, 0.2-0.6 part of a compound biological bacteria agent and 3-7 parts of an organiccompound fertilizer. The saline-alkali soil improver is capable of effectively improving the physicochemical shape of saline-alkali soil within a short time and can take effect rapidly.