36results about How to "Effective water retention" patented technology

The invention relates to a novel modified emulsified paraffin concrete curing agent. Aiming at overcoming the defects that the existing concrete curing agent cannot reach the industrial standard on building material in terms of the water retention property and is unfavorable for environmental protection, the price is high and the decoration at later stage is also affected, the following technical proposal is provided: the curing agent is mixed with the following materials and water: 10-20% of vinyl acetate-ethene high molecular polymer emulsion, 0-5% of silicone resin modified acrylic polymer emulsion, 50-75% of paraffin emulsion, 0.1-0.5% of colloidal dispersing agent of the emulsified paraffin for stabilizing the emulsion state and 0.05-0.02% of special defoamer for emulsion. The invention has the beneficial effects that: the chemical curing method which is adopted for retaining water is an innovation for the traditional curing method; compared with the prior art, the method is labor-saving, time-saving and water-saving and is convenient to operate, can improve the film formation ability and the sealing ability of the emulsified paraffin emulsion, and can improve the bonding and absorbing capacity of the emulsified paraffin emulsion on the concrete surface, which leads the effective water retention rate of the coating film to reach more than 90%.

The invention discloses a medical gel, which is composed of the following components and their weight ratio: 10%-60% magnesium sulfate, 0.01%-5% plant extract, 0.5%-15% glycerin, 0.1%-5% ethanol , 0.5%-20% hydrophilic polymer material, 0.5%-15% PEG40-hydrogenated castor oil, 0.001%-5% antibacterial agent, and the balance is purified water; Antibacterial, anti-inflammatory and analgesic plant extracts. The invention also discloses a gel wet compress prepared by using the medical gel and a preparation method thereof. The medical gel of the invention has the effects of removing edema, reducing inflammation, relieving pain, inhibiting bacteria, protecting skin, etc., is non-irritating to human body, is safe to use, has quick onset and good curative effect.

The invention aims at phenomena of sudden sinking, surging soil, over-high sinking speed, extra sinking, over-large displacement, over-large inclining and the like in the existing open caisson sinking construction process at a saturated water condition in a geological sludge layer, and provides an open caisson sinking construction method that adopts cement powder spraying piles. The method comprises three manners of arranging a waterproof curtain at the periphery of an open caisson, distributing sinking stabilizing piles at cutting edges of the open caisson and arranging a composite foundation at the bottom of the open caisson, so that the stability of inner soil body is ensured, gestures and sinking speed and depth of the open caisson are controlled accurately and the open caisson can be used normally.

The invention relates to a frozen aquatic product quality assurance agent. The frozen aquatic product quality assurance agent is prepared from, by mass, xylooligosaccharide 3-5%, carrageenan oligosaccharide 2.5-4%, trehalose 1-2%, agar powder 0.5-1.5%, alkaline phosphate 0.2-0.3% and the balance water. In addition, the invention further relates to a preparation method of the frozen aquatic product quality assurance agent and application of the preparation method in frozen aquatic products. Compared with the prior art, the frozen aquatic product quality assurance agent can effectively prevent freezing preservation from affecting the water retaining properties, tenderness, gelling properties and nutritional values of the aquatic products, can form a dense protective layer on the surfaces of the aquatic products and effectively prevent the aquatic products from being oxidized and being subjected to external microbial infection, keeps the good quality of the aquatic products during frozen storage and makes the aquatic products obtain good economic values.

The invention discloses a lactobacillus fermentum strain LF8005 which is preserved in China Center for Type Culture Collection on November 9, 2020, the address is Wuhan University, Wuhan, China, and the preservation number is CCTCC NO: M2020704. The invention also provides a lactobacillus fermentum culture and a preparation method thereof, and the lactobacillus fermentum culture has the effects of inhibiting escherichia coli, staphylococcus aureus and candida albicans, scavenging free radicals, resisting oxidation and preventing skin inflammation. The lactobacillus fermentum is separated from a traditional fermented dairy product, the safety of the lactobacillus fermentum is guaranteed, macromolecular active matter such as polysaccharide, glycoprotein and biotin can be secreted, so that the viscosity of fermentation liquor is increased, and the lactobacillus fermentum serves as a natural active component to be added and applied to skin care products. The product is low in irritation, high in safety and not prone to dependence, mainly improves the skin environment and performs prevention and protection on the skin, adapts to the development requirements of current skin care cosmetics and can be safely added and applied to skin care products.

The invention provides a plant fiber vegetation blanket and a method for manufacturing the same. The plant fiber vegetation blanket comprises a polypropylene fiber layer, a plant seed layer, a water retention layer and a plant fiber water locking layer. The polypropylene fiber layer, the plant seed layer, the water retention layer and the plant fiber water locking layer are sequentially connected with one another from bottom to top. The plant fiber vegetation blanket and the method have the advantages that the plant fiber vegetation blanket is simple in structure and low in cost; water locking and protecting effects can be realized by plant fibers, the plant fiber vegetation blanket is breathable, the plant seed layer can be effectively protected, water and air which are required by growth of plants can be provided, the plants can penetrate the water retention layer and the plant fiber water locking layer to grow out of the water retention layer and the plant fiber water locking layer, and accordingly the plant fiber vegetation blanket is applicable to water and soil loss protection, upper slope protection and bank and embankment protection; plant seeds can be kept in dormancy by the aid of a product, namely, the plant fiber vegetation blanket, under appropriate conditions to be stored for a long time, the seeds only need to be awaken by the aid of water when the plant fiber vegetation blanket is used, and accordingly the plant fiber vegetation blanket is simple and is easy to use; the method for manufacturing the plant fiber vegetation blanket is easy and convenient to implement, low in cost and high in production efficiency, and can bring convenience for quickly producing the plant fiber vegetation blanket on a large scale.

The invention discloses a flood irrigation net type composite protective structure which comprises a plurality of anchor rods, an inner-layer net and a wave type outer-layer net. The anchor rods which are uniformly arranged are buried in a side slope, the inner-layer net is parallelly laid along a slope surface of the side slope, the wave type outer-layer net is laid on the upper side of the inner-layer net, a planting substrate layer covers a double-layer type composite plant growing net formed by the inner-layer net and the wave type outer-layer net, a wetting belt net is laid on an outer layer of the double-layer type composite plant growing net, plant growing nets are laid on the wetting belt net at intervals of certain distances, and spaces between the plant growing nets and the wetting belt net are filled with anti-scour water retention layers; water delivery wetting tubular belts are woven to form a net of the wetting belt net. The invention further provides a method for applying the flood irrigation net type composite protective structure to ecologically protecting the high and steep side slope. The flood irrigation net type composite protective structure and the method have the advantages that the problem of poor stability of substrates used in spray seeding technologies for greening side slopes at present and incapability of utilizing the substrates to ecologically protecting existing high and steep side slopes can be solved by the aid of the flood irrigation net type composite protective structure and the method; the substrate layer holding capacity of the slope surface can be enhanced, and the stability of the planting substrate layer can be greatly improved; water can be automatically supplied to greening plants on the side slope by means of flood irrigation in a balanced manner, and accordingly water and energy can be saved.

The present invention contemplates water-bearing silicate materials achieved by modifying the basic method of essentially reacting water glass with calcium chloride to bind the free water into solid form without adversely affecting the basic chemical and physical structure of the original product. The material is then dried by using a physical wicking agent, such as a cellulose sponge, adding an anhydrous salt to the material to form a crystalline hydrate, or adding calcium oxide or calcium hydroxide to the material to form a microstructure that physically retains the water. The material is then incorporated into a fire protection container in which the material forms the outermost wall of the container, a light-weight porous material such as urethane foam an intermediate layer, and a phase change material with a melting point of around 70 degrees F. to 125 degrees F. forms the innermost wall.

The invention discloses a production method for lake sludge carbonized nutrient soil. According to the technical scheme, the key point is that ingredients of the lake sludge carbonized soil are stirred and extruded into sheet-shaped particles; the sheet-shaped particles are processed into lake sludge carbonized soil; and the ingredients of the lake sludge carbonized nutrient soil are pelletized and sterilized, and packaged into the lake sludge carbonized nutrient soil. The lake sludge carbonized nutrient soil consists of lake sludge, active clay waste residues, peat, attapulgite clay, bentonite, zeolite, waste, vermiculite, diammonium phosphate, perlite, ferrous sulfate and super absorbent resin. The lake sludge carbonized nutrient soil contains plenty of nitrogen, phosphor, potassium, organic substances and trace elements, is high-quality nutrient soil which is complete in nutrition ingredients, high in fertilizer efficiency, sterile, harmless, free of odor and good in water retention capacity, and is suitable for planting flowers and plants, and nursery-grown plants; and the production method for the lake sludge carbonized nutrient soil is suitable for producing carbonized nutrient soil and a nutrition medium.

A water-saving technology for curing concrete includes spreading concrete without floating water, sprinkling water, covering by a hydroscopic moisture-preserving cored film, sprinkling water until the cored film is saturated, covering by a surface film, and fixing its edges unitil the curing stage is finished. Its advantages are high curing quality and less consumption of water.

The invention discloses a tea tree improving fertilizer which consists of the following raw materials in parts by weight: 50-70 parts of composted cow dung, 20-30 parts of nitrogen-phosphorus-potassium fertilizer, 15-20 parts of ground phosphate rock, 10-12 parts of ground potassium rock, 5-7 parts of Chinese wax gourd peel, 2-4 parts of oyster shell powder, 5-7 parts of sweet potato stems, 3-5 parts of herba leonuri, 6-8 parts of fructus cnidii particles, 10-15 parts of soil conditioner, 4-6 parts of EM microbial agent, 1-2 parts of sodium selenite, 2-4 parts of ammonium polyphosphate, 1-3 parts of calcium superphosphate and 2-3 parts of zinc sulfate. With high nutrient content, the fertilizer disclosed by the invention improves the soil fertility and tea quality and has a perfect economic value; meanwhile, activated carbon in the soil conditioner has relatively strong adsorbability and effectively adsorbs pollutants such as heavy metals in the soil so as to effectively green the soil and reduce harm to the plants; and moreover, chitosan is a bioactive macromolecule, and through combination with soy isolate protein, the water absorption and water retention of the soil can be effectively realized, the water content of the soil is guaranteed, and the soil properties are improved comprehensively.

The invention discloses a fertilizer and water retention method in treatment of stony desertification. The method comprises the steps that a stony desertification surface is prefilled with a soil layer with a water retaining agent and a nutritional agent, the soil layer is paved with degradable fiber after being compacted, new soil slurry containing a water retaining agent, a cross-linking agent, compound fertilizer, park soil, turfy soil, plant seeds and water is sprayed into the degradable fiber, and the degradable fiber is paved with a geogrid to be fixed, wherein the new soil slurry is composed of, by weight, 3-20 parts of the water retaining agent, 1-12 parts of the cross-linking agent, 1-20 parts of the compound fertilizer, 5-40 parts of the park soil, 5-35 parts of the turfy soil, 1-20 parts of the plant seeds and an appropriate amount of the water. The fertilizer and water retention method can achieve a good effect on treatment of a stony desertification area by being implemented one time, can effectively achieve the effect of water and fertilizer retention and is easy to implement, conditions needed by plant growth are effectively improved, wide stony desert resources in China are effectively utilized, and the stony desert land treatment cost is saved.

A manufacture method of a concrete prefabricated bridge deck with a plasticizer is characterized by comprising the specific steps: weighing concrete materials (by mass) of 40-50 parts of cement, 3-10parts of silica fume, 5-7 parts of carbide slag, 3-5 parts of steel slag, 30-40 parts of sand, 40-50 parts of crushed stone, 10-20 parts of water, and 3-4 parts of the plasticizer; adding the cement,silica fume, carbide slag, steel slag and water into a mixer, mixing, adding sand, crushed stone and the plasticizer, and continuing to mix well to obtain concrete. The concrete prefabricated bridge deck has a water retention rate of 90.4-93.2%, 28-day shrinkage of 0.102-0.116%, initial setting time of 200-210 min, final setting time of 370-390 min, one-day compressive strength of 20.5-22.4 MPa, 7-day compressive strength of 34.5-36.1 MPa, 28-day compressive strength of 47.5-49.2 MPa, and 14-day tensile strength of 1.86-1.93 MPa. The method provides significantly extended initial and final setting time and evidently improved compressive strength and tensile strength for the prior concrete, with shrinkage evidently reduced.

The invention discloses a quick betula alnoides seedling raising method based on flower arrangement mud serving as a cutting substrate. The method comprises the following steps of cutting the flower arrangement mud into rectangular cutting blocks and pruning branches of betula alnoides into cuttings for hormone treatment; inserting the cutting branches of betula alnoides into the cutting blocks; regularly and randomly lifting the seedlings for observation, and transplanting nursery stocks when the portions, extending out of the flower arrangement mud, of root systems of the nursery stocks are 3 cm in length and are slightly lignified. According to the method, the flower arrangement mud is used as the cutting substrate and has the advantages that water is effectively maintained, the permeability is high, rooting is facilitated, multiple robust roots grow out, and there is no need to frequently perform watering. Compared with betula alnoides based on cuttage in a traditional substrate, the method has the advantages that the cutting rooting time of the flower mud is advanced by 10 days or above, and the roots are strong and not rotten. After the new roots grow out, the new roots can be transplanted together with the flower mud blocks to avoid the damage caused by digging out the traditional soil substrate to the root systems. The nursery stocks with the flower mud can be directly loaded into boxes and cases, the root systems are not damaged, the freshness is kept, the cost is low, and carrying and conveying are facilitated.

The invention relates to a concrete prefabricated bridge deck slab with a plasticizer, characterized by the following specific steps for manufacturing the concrete prefabricated bridge deck slab with the plasticizer: weighing 15-20 parts by mass of 2-acrylamido-2-methylpropanesulfonic acid, adding 150-160 parts by mass of water and stirring uniformly for later use; adding the prepared 2-acrylamido-2-methylpropanesulfonic acid water solution to a vessel, heating until the temperature rises to 42DEG C, and adding 5-6 parts of 2,2'-azobisisobutyronitrile and 2-3 parts of sodium thiosulfate; and continuing stirring, regulating the pH value to be equal to 6.5, after the temperature drops to 30DEG C, respectively adding 20-30 parts of methacryloyloxyethyl trimethyl ammonium chloride and 10-15 parts of hexafluorobutyl methacrylate, and uniformly mixing. The plasticizer in the concrete prefabricated bridge deck slab improves the surface polarity of cement particles in concrete, promotes dispersion of the cement particles, improves the liquidity of concrete, performs effective moisture holding on concrete, prolongs the setting time of concrete, enables complete hydration reaction of concrete, and improves the compression strength and tensile strength of a concrete slab.

The invention discloses a method for conducting cuttage and rapid propagation on mulberries through flower mud. The flower mud is used as cuttage media for cuttage of the mulberries. Experiments show that the flower mud can completely meet the cuttage rooting medium requirement of the mulberries, and water retention can be effectively achieved; besides, permeability is good, rooting is facilitated, a plurality of roots can grow, and the roots are robust; watering is not needed any more before rooting, and labor and time are saved. Compared with a river sand medium mulberry cuttage method, the rooting time is 3-6 days ahead of time through flower mud cuttage, the roots are robust without rotting, and the rooting period is earlier than the budbreak period. Moreover, mulberry seedlings which survive through flower mud cuttage can be directly used for planting in production without seedling hardening. In addition, the seedlings are carried with the flower mud and can be packaged into boxes or binned, the roots cannot be hurt, freshness can be retained, and cost is low. Carrying and transferring are facilitated, selling transportation is facilitated, and the economic value is greatly increased. Hence, by using the flower mud as the cuttage media, the cost is low, the effect is good and it is guaranteed that the mulberry seedlings can develop and grow normally.

The invention discloses a construction method of a low-maintenance ecological wetland. The construction method comprises the following steps of 1, performing ecological exploration; 2, constructing an artificial lake; 3, constructing the wetland around the lake; 4, improving wetland soil; 5, planting wetland plants; and 6, constructing hydrologic ecology; According to the construction method of the low-maintenance ecological wetland, the survival rate of plants and the purification capacity of a water body are greatly improved through reasonable plant selection and low-maintenance ecological configuration on the basis of the self-adjusting capacity and the self-organizing capacity of an ecological system, the purpose of water conservation is achieved by conserving water and soil and preventing water and soil loss, and the interference and investment of manpower are reduced, so that an ecological wetland system with low maintenance cost is constructed.

The invention discloses a cement mortar water retaining agent and a preparation method thereof. The preparation method comprises the following steps: firstly, putting starch and water under the condition that the temperature is 60 to 100 DEG C, stirring and mixing for 30 to 50 minutes to obtain starch paste; secondly, in the presence of a cross-linking agent, putting the starch paste and acrylamide under the condition that the temperature is 40 to 50 DEG C, stirring and mixing for 3 to 5 hours to obtain a mixture M1; thirdly, mixing alcohol burner ash, vermiculite powder and a metallic salt solution and putting a mixed solution under the condition that the temperature is 80 to 120 DEG C, stirring for 2 to 3 hours, and taking precipitate for drying to obtain powder; fourthly, adding the powder obtained in the third step, polyvinyl alcohol powder and acrylonitrile into the mixture M1 for mixing, and then filtering and drying to obtain the cement mortar water retaining agent. According tothe cement mortar water retaining agent, the effects that cement mortar is enabled to have a good water retaining property , and the water retaining property of the cement mortar can be improved justby adopting a simple mode are achieved.

The invention relates to a blueberry gel drink, and a preparation method and applications thereof, and solves the technical problem that gel products in the prior art are free from swallowing-trainingfunction, poor in swallowing promotion, easy to cause aspiration which has risk, inconvenient for taking, low in nutrient and caloric content, inconvenient for taking, poor in effect of wrapping andmasking the irritating smell of medicines and poor in pharmaceutical effect play. The blueberry gel drink provided by the present invention is composed of the following raw material components: 10-20g of concentrated blueberry juice, 40-50g of xylitol, 10-30g of erythritol, 1.0-4.0g of pectin, 2.0-7.0g of carrageenan, 1.5-3.5g of tara gum, 0.05-0.3g of acesulfame potassium, 0.2-1.0g of citric acid, 0.1-1.0g of calcium hydrogen phosphate, 0.3-1.5g of blueberry essence, 0.1-0.5g of potassium sorbate, and water. At the same time, the invention also provides a preparation process and applicationsof the drink. The drink is widely used in the field of foods.

The invention discloses anode catalyst layer slurry which comprises perfluorosulfonic acid resin, polytetrafluoroethylene, a Pt / C catalyst, a solvent and water, wherein the perfluorosulfonic acid resin is short-chain resin with an EW value of 650-750 g / mol, the mass content of polytetrafluoroethylene in the anode catalyst layer slurry is 1-5%, a mass ratio I / C of the perfluorosulfonic acid resin to a carbon carrier in the Pt / C catalyst is 0.7-1.0, the solid content of the anode catalyst layer slurry is 2-15%, the solvent is selected from at least one of ethanol, normal propyl alcohol or isopropanol, and the mass content of Pt in the Pt / C catalyst is 30-60%. The anode catalyst layer slurry provided by the embodiment of the invention is used for preparing a membrane electrode and is suitable for working conditions of vehicle fuel cells; and under the conditions of high temperature, low humidity, low excess coefficient and an anode pulse drainage device, the diffusion of the catalyst layer can be remarkably improved, and relatively low internal resistance of the battery is ensured while effective water retention is realized.

The invention discloses an alginate encapsulated bacterial cellulose composite photo-thermal antibacterial medical dressing and a preparation method thereof. The preparation method comprises the steps that a bacterial cellulose solution, a photo-thermal antibacterial nano particle dispersion liquid, an electrostatic spinning composite spinning solution and an alginate outer layer coating structure are prepared, and the prepared composite photo-thermal antibacterial medical dressing is of an inner-layer structure and an outer-layer structure; the inner layer is a bacterial cellulose / zinc oxide / copper sulfide composite porous membrane prepared by electrostatic spinning, and the outer layer is an alginate encapsulation layer constructed by impregnation and cationic crosslinking. The composite medical dressing has biocompatibility and moisture absorption and water retention of bacterial cellulose and alginic acid materials, excellent mechanical properties, antibacterial characteristics, photo-thermal response performance and air permeability and oxygen permeability of the dressing, and free exchange of antibacterial ions and electrolyte in body fluid is achieved. Moreover, the preparation process is controllable, the antibacterial effect is efficient and lasting, meanwhile, a photo-thermal effect is achieved, and the medical dressing has an important application prospect in the aspects of tissue repair, surgical incision treatment and burn wound treatment as a medical dressing.

The invention discloses organic fertilizer based on soil activity improvement. The organic fertilizer is prepared from the following raw materials: dry chicken manure, grass, pine nut shells, peanut shells, weathered coal, peat, urea, monoammonium phosphate, potassium chloride, Bacillus mucilaginosus agent, Trichoderma harzianum agent, polyvinyl alcohol, a water retaining agent, an EM bacterial agent and an appropriate amount of water, wherein the water retaining agent is prepared from the following raw materials in parts by weight: 70 parts of acrylic acid, 0.5-1 part of an azo-compound, 50-110 parts of sodium hydroxide, 3-5 parts of sodium persulfate, 200-250 parts of acetonitrile and a proper amount of water. The invention further provides a preparation method of the organic fertilizer.Organic fertilizer, secondary and trace elements and microorganisms are combined organically, the formula is reasonable, the organic fertilizer is more comprehensive and balanced in nutrition and good in use effect, and accordingly, the survival rate of crops is increased, and the photosynthesis efficiency is improved; meanwhile, by adding the water retaining agent, pores in the soil are enlargedalong with regular changes of water absorption expansion and water loss shrinkage, and the purposes of water retention, fertilizer retention, heat preservation and improvement of soil activity are achieved.

The invention discloses a production method for lime residue carbonization nutrition soil. The main points of the technical scheme are that firstly, ingredients of lime residue carbonization soil are stirred and extruded into sheet-shaped particles, the sheet-shaped particles are subjected to carbonizing treatment and lime residue carbonization soil is obtained. Then the ingredients of lime residue carbonization nutrition soil are subjected to granulation and disinfection, and packaging into lime residue carbonization nutrition soil is carried out. The lime residue carbonization nutrition soil is composed of lime residues, activated clay waste residues, peat, attapulgite, bentonite, zeolite, crushed waste, waste after water retting, vermiculite, diammonium phosphate, perlite, ferrous sulphate and super-absorbent resins. The lime residue carbonization nutrition soil contains a lot of nitrogen, phosphor, potassium, organic matters and trace elements, and is a nontoxic, aseptic, harmless high-quality nutrition soil with complete nutrition ingredients, high fertilizer efficiency, no foul smell and good water retention performance. The lime residue carbonization nutrition soil is suitable for planting flowers and nursery stocks, and the production method is suitable for producing carbonization nutrition soil and nutrition matrixes.

The invention relates to a sea cucumber gel drink facilitating swallowing and a preparation technology and use thereof, and solves the technical problems in the prior art that the swallow training function is not provided, the effect of facilitating swallowing is poor, the risk caused by mistaken sucking is high, taking medicine is inconvenient, the nutrition content and caloric content are low, the effect of wrapping and covering the irritating taste of medicine is poor, and the medicinal efficacy is weakened. According to the sea cucumber gel drink facilitating swallowing provided by the invention, the raw material components of per 1000 mL of the drink includes: sea cucumber peptide powder 1.0-5.0 g, xylitol 10-30 g, erythritol 10-50 g, pectin 1.0-4.0 g, carrageenan 2.0-8.0 g, tara gum1.5-3.5 g, citric acid 0.2-1.0 g, calcium hydrogen phosphate 0.1-1.0 g, potassium sorbate 0.1-0.5 g, and the balance being water. In addition, the invention further provides the preparation technologyand the use of the sea cucumber gel drink. The sea cucumber gel drink is widely used in the field of food.

The invention discloses a method for conducting cuttage and rapid propagation on mulberries through flower mud. The flower mud is used as cuttage media for cuttage of the mulberries. Experiments show that the flower mud can completely meet the cuttage rooting medium requirement of the mulberries, and water retention can be effectively achieved; besides, permeability is good, rooting is facilitated, a plurality of roots can grow, and the roots are robust; watering is not needed any more before rooting, and labor and time are saved. Compared with a river sand medium mulberry cuttage method, the rooting time is 3-6 days ahead of time through flower mud cuttage, the roots are robust without rotting, and the rooting period is earlier than the budbreak period. Moreover, mulberry seedlings which survive through flower mud cuttage can be directly used for planting in production without seedling hardening. In addition, the seedlings are carried with the flower mud and can be packaged into boxes or binned, the roots cannot be hurt, freshness can be retained, and cost is low. Carrying and transferring are facilitated, selling transportation is facilitated, and the economic value is greatly increased. Hence, by using the flower mud as the cuttage media, the cost is low, the effect is good and it is guaranteed that the mulberry seedlings can develop and grow normally.

The invention belongs to the field of ecological restoration and water and soil conservation, and discloses a rock aging repairing agent for a fresh rock wound surface of a high and steep slope as well as a preparation method and application. The preparation method comprises the following steps: material preparation: raw materials comprise main components and additives, and the mass of the additives is 5-10% of that of the main components; the main components comprise fruits and organic planting soil; the additives comprise vegetable gum, natural mineral powder, organic acid and a water-retaining agent; fruit fermentation; preparation of the organic planting soil: anaerobic water-logged compost is conducted in water according to the mass ratio of common soil or immature soil to animal waste or food waste to straw being 4:5:1; drying is performed to enable the moisture in the organic planting soil to be less than 10%; preparation of the main components: a fermentation product obtained by fruit fermentation is uniformly mixed with the organic planting soil for later use; preparation of the additives: the vegetable gum, the natural mineral powder, the organic acid and the water-retaining agent are uniformly mixed in a mass ratio of (30-35):(10-35):(5-15):(25-45); and the additive is obtained. The prepared rock aging repairing agent is low in cost and high in adsorption capacity.

The invention discloses a construction method of a low-maintenance ecological wetland, which comprises the following steps: step 1, ecological survey; step 2, constructing an artificial lake; 3, constructing a wetland around the lake; step 4, improving wetland soil; Planting of plants; step 6, constructing hydrological ecology; the construction method of low-maintenance ecological wetland of the present invention is based on the self-regulation ability and self-organization ability of the ecosystem, and through reasonable plant selection and low-maintenance ecological configuration, the survival rate and The purification ability of water body, by maintaining water and soil, preventing water and soil erosion to achieve the purpose of water conservation, reducing human interference and investment, in order to achieve the construction of an ecological wetland system with low maintenance costs.