63results about How to "Conducive to maintaining ecological balance" patented technology

The invention relates to weed control foliar herbicide compositions in a paddy field, which are three foliar herbicide compositions for eliminating weeds in the paddy field. The three foliar herbicide compositions are the composition of mesotrione and metamifop, the composition of mesotrione and cyhalofop-butyl and the composition of mesotrione and penoxsulam respectively. The single use of the existing herbicide in the paddy field has the limited weed-killing spectrum and can not control all the weeds in the paddy field, and a complex product has poor safety or a narrow using cycle or resistance to the weeds in a water field, thereby limiting the popularization and the applications of the complex product. The three herbicide compositions provided by the invention can overcome the defects and control all the weeds in the paddy field; furthermore, the three herbicide compositions have broader using cycle, no resistance to the weeds in the water field and good safety to paddy rice and succeeding crops.

The invention belongs to the technical field of concrete, and particularly provides a previous concrete. The previous concrete comprises cement, aggregate, macroporous resin and adhesive, wherein the macroporous resin is one of GMA-EGDMA (Glycidyl Methacrylate / Ethyleneglycol Dimetacrylate) macroporous resin, GMA-MBAA ((Glycidyl Methacrylate / Methylene-Bis(Acrylamide)) or macroporous resin or GMA-DVB (Glycidyl Methacrylate-Divinylbenzene) macroporous resin; and the adhesive is one of polyvinyl acetate, polyving akohol or butadiene styrene rubber. The previous concrete is high in compressive strength and permeation coefficient, can meet various construction demands on permeability of concrete, and is beneficial for maintaining ecological balance and realizing sustainable development.

The invention discloses long-life permeable concrete and a production method thereof; the long-life permeable concrete is produced from, by weight, 1000-2000 parts of gravel, 150-400 parts of cement, 10-30 parts of gel reinforcing material, 0.2-1 part of emulsion, 400-1000 parts of water, and 0-12 parts of a colorant. The long-life permeable concrete provided herein has good compressive strength and high permeation coefficient, can meet the need of various projects for concrete permeability, is helpful for maintaining ecological balance and implementing sustainable development, is good in decoration effect, easy to maintain, high in freeze-thaw resistance, high in radiating property and high in bearing capacity, enables urban ecological environment to be effectively improved, is highly ecologically friendly and has a long life up to 8 years and longer.

The invention provides a microbial-capsule-based self-repairing agent for an airfield pavement, and preparation and application thereof, belonging to the technical field of self-repairing agents for cracks. The self-repairing agent of the invention comprises dried spore powder, nutrients and auxiliary materials, where the nutrients are composed of urea, soy peptone, casein peptone and sodium chloride, and the auxiliary materials are composed of microcrystalline cellulose, hydroxypropyl methyl cellulose and epoxy resin E-51. The urea, the soy peptone, the casein peptone, the sodium chloride, the microcrystalline cellulose, the hydroxypropyl methyl cellulose and the dried spore powder compose core particles, and the epoxy resin E-51 wraps the core particles therein so as to form a microbialcapsule. When fine cracks of a concrete layer appear during the use of the airfield pavement, pressure will force the wall of the microbial capsule to rupture, then air and moisture will enter the capsule and activate the germination of microbial spores in the capsule, and microbial metabolism will induce the formation of a calcium carbonate precipitate, thereby realizing self-repairing of the fine cracks.

The invention discloses a high-strength pervious concrete admixture and pervious concrete. The high-strength pervious concrete admixture is prepared from, by weight, 5-15 parts of redispersible rubble powder, 15-20 parts of gypsum powder, 1-10 parts of water reducer and 10-30 parts of nano-composite filler. Through reasonable matching, the water reducer and nano-composite filler suitable for the high-strength pervious concrete admixture and usage amount of the water reducer and nano-composite filler are optimized, the pervious concrete prepared by means of the admixture has high compressive strength and permeation coefficient, various engineering requirements for water permeation of concrete can be met, and ecological balance and sustainable development can be maintained.

The invention belongs to the technical field of road paving materials, and discloses high-strength pervious concrete and a preparation method of the pervious concrete. The pervious concrete comprises the following raw materials in parts by weight: 100-150 parts of cement, 300-450 parts of macadam, 30-50 parts of medium sand, 40-60 parts of water, 3-10 parts of polycarboxylic acid, 2-8 parts of slaked lime, 1-3 parts of water absorbent gel, 0.5-2 parts of soluble starch, 0.2-0.8 part of nano calcium oxide, and 0.05-0.1 part of an expanding agent. The pervious concrete is good in construction performance, high in porosity and good in wear resistance; the compressive strength reaches 30 MPa; the flexural strength reaches 3 MPa; a pervious coefficient reaches above 5 mm / s; various project demands with a pervious requirement for concrete can be met; ecological balance can be maintained; sustainable development can be realized.

The invention relates to Brefeldin A-producing bacteria, a preparation method, a method for preparing the brefeldin A by fermentation and the application thereof. The Brefeldin A-producing bacteria has the advantages of easy selection, cultivation and storage, low cost, simple process, short preparation period, high yield, no usage of toxic raw material, less organic solvent, thorough guarantee of medicine resource, potential of mass production and favorable economic and social benefits, contributes to the maintenance of ecological balance and the protection of natural resources. The fermentation product of the invention, of which the main component is THSG, develops novel medical application, the Brefeldin A has high safety, low toxicity, stable property, stronger pharmacological action, simple preparation process, high yield and considerably wide range of application, is multipurpose, and can provide a novel source for medicines for preventing, diagnosing, detecting, protecting, curing and researching antimycotic, antiviral and antineoplastic diseases and the directly related diseases.

The invention discloses a simplified pest control method used for facility potted flower production, and belongs to the technical field of ornamental horticulture pest prevention and control. A simplified pest control mode including the first step of facility condition strengthening, the second step of healthy cultivation, the third step of dispelling, the fourth step of induction and control, the fifth step of biocontrol object release and the sixth step of pesticide application is established for piercing-sucking and rasping-sucking pests such as thrips, kanazawa spider mites, aphid, whiteflies and stem and leaf diseases such as black spot, anthracnose, damping-off, southern blight and stalk rot in the whole process of facility potted flower production, the operation is easy, standard, safe and efficient, use of chemical fertilizers and pesticides is remarkably reduced while diseases and pests in the whole process of facility potted flower production can be effectively controlled, and application reduction and effect improvement of the chemical fertilizers and the pesticides are achieved.

The invention discloses an ecological planting plate. The ecological planting plate comprises, by mass, 40-80 parts of bagasse fibers, 5-10 parts of vermiculite, 5-10 parts of perlite, 10-20 parts of coco coir, 5-10 parts of northeast black carbon soil, 5-20 parts of other plant fiber powder and 5-10 parts of self-made waterborne polyurethane. The ecological planting plate can achieve reutilization of bagasse, energy conservation and environmental protection, the requirement for various nutrients required by plant growth is met, a micro-ecological system similar to a system under the natural growth state of plants is built, the ecological planting plate is suitable for planting various plants, the pH value of the planting plate does not need to be specially adjusted during use, and the ecological planting plate can be used for a long time, is beneficial to maintaining the ecological balance, achieves sustainable development and is applied to the fields of roof greening, stereo greening and the like.

The invention discloses a wetland ecosystem restoration method which comprises the following steps: firstly carrying out sectional water pumping dredging on a water area of an object wetland, storingthe pumped wetland water body into an anaerobic tank, and carrying out impurity removal, soaking, aeration, precipitation and separation on the cleaned sludge to obtain active sludge and deposited sludge; drying the deposited sludge until the water content does not exceed 5%, crushing, adding EM bacterial powder, ammonia oxidizing bacteria powder, bacillus subtilis powder, a probiological growth promoter and volcanic mud, and uniformly mixing to obtain bacterial mud; putting the activated sludge into a wetland water body, and carrying out intermittent aeration; backfilling bacterial sludge tothe water area section subjected to water pumping and desilting, planting submerged plants on the bacterial sludge, arranging a microorganism substratum on the bacterial sludge, and pouring the wetland water body back to the water area section; and arranging an ecological floating bed in the water area section, and putting benthonic animals, fishes and shrimps put into the ecological floating bed.The water transparency can be rapidly improved, a complete aquatic animal ecological chain and microbial communities are constructed, wetland pollutant reduction is promoted, and the water quality isimproved.

The invention discloses pervious concrete for roads and a production process thereof. The pervious concrete is prepared from the following raw materials in parts by weight: 45 to 60 parts of cement, 140 to 220 parts of coarse aggregate, 100 to 165 parts of ultra-fine sand, 20 to 35 parts of water, 16 to 30 parts of admixture, 2 to 4 parts of superplasticizer, 6 to 20 parts of nano-silica dispersion liquid, 3 to 7 parts of water repellent, and 2 to 5 parts of anti-cracking expansive agent. The pervious concrete for the roads provided by the invention is not easy to crack and has high compressive strength, and the production process adopted by the invention improves strength of the concrete. Therefore, the pervious concrete for the roads obtained by the invention has the advantages of high water permeability, high bearing capacity and long service life, easy maintenance and the like.

The invention relates to beauveria bassiana BB-T02 having strong infestation on hot zone flower and fruit thrips and belongs to the technical field of biological prevention and control. A preservation number of the beauveria bassinan BB-T02 is CGMCC No.14130. The beauveria bassinan has easiness in culturing, high sporulation quantity and spore germination rate, good infestation lethal effects on the hot zone flower and fruit thrips, relative safety to human, livestock, plant and ecological environment, potency in replacing a part of chemical thrip prevention pesticides and benefit of maintaining ecological balance.

The present invention discloses Bacillus subtilis K13 for inhibiting Colletotrichum gloeosporioides. The Bacillus subtilis K13 is preserved on May 27, 2015 at the China General Microbiological Culture Collection Center and has accession number CGMCC No. 10917, and belongs to the technical field of plant protection. The invention also discloses the culture method and application of the Bacillus subtilis K13; and the Bacillus subtilis K13 strain is obtained by a plate confrontation experiment screening, can effectively inhibit the growth of the Colletotrichum gloeosporioides; and the strain is harmless to human and livestock, green, secure and not easy to produce resistance, and has good environmental compatibility. The Bacillus subtilis K13 can be used in commercial development, and has broad application prospects.

The invention discloses spongy pervious concrete as well as a preparation method and application thereof, aggregate, cement, an adhesive and an additive are used as main raw materials, and through proper raw material proportioning, the types and dosages of the adhesive and the additive (water reducing agent) suitable for the spongy pervious concrete are preferably selected, so that the spongy pervious concrete is prepared. The pervious concrete has excellent decontamination capability, compressive strength and water permeability coefficient, can meet various engineering requirements on water permeability of concrete, and is beneficial to maintaining ecological balance and realizing sustainable development. And in addition, the manufacturing process is simple, the material source is wide, the method is suitable for large-scale production, on-site pouring and factory prefabrication can be achieved, and the market application and popularization value is extremely high.

The invention provides a heat-preservation blind trench facility applicable to a multi-year permafrost region and a construction method. The facility comprises a reversed filter layer which is internally paved with a water collection and discharging layer and a crushed stone layer; and the reversed filter layer is provided with a heat-preservation layer, a clay layer and a ground surface plane layer. In a construction process, a ditch with a certain slope is dug on the multi-year permafrost region; the bottom and the side wall of the ditch are paved with reversed filter geotechnical cloth; after a space enclosed by the geotechnical cloth is internally filled with the water collection and discharging layer and the crushed stone layer, the reversed filter geotechnical cloth is paved to form the reversed filter layer with the reversed filter geotechnical cloth paved in the ditch; clay is backfilled on the heat-preservation layer, and grasses are planted after the clay is compacted; and the heat-preservation blind trench facility applicable to the multi-year permafrost region is established. The heat-preservation blind trench facility is provided with the reversed filter layer and the water collection and discharging layer to stop and discharge water; the heat-preservation layer is used for guaranteeing that the water on a frozen layer in the reversed filter layer is not frozen and is smoothly discharged; and heat corrosion effect of the water on the frozen layer is stopped, and the smooth operation and operation period maintenance of engineering construction are guaranteed.

The invention discloses a pesticide suspending agent containing CPV (cytoplasmic polyhedrosis virus) and beauveria bassiana. The pesticide suspending agent is characterized by comprising effective active components Dendrolimus punctatus cytoplasmic polyhedrosis virus suspension and beauveria bassiana powder, and the weight ratio of the Dendrolimus punctatus cytoplasmic polyhedrosis virus suspension to the beauveria bassiana powder is (1:12)-(2:1). The invention further discloses a preparation method of the pesticide suspending agent. The pesticide suspending agent is efficient, broad-spectrum, harmless to people and livestock, harmless to natural enemies and widely applicable to the prevention and treatment of pests of forests, vegetables, cotton, tea leaves, fruit trees and the like.

The invention provides a buzurasuppressarianucleopolydro virus and beauveria bassiana insecticidal suspending agent, and a preparation method thereof. The effective components comprise a uzurasuppressarianucleopolydro virus suspension solution and beauveria bassiana powder at a weight ratio of 1:12-2:1. The buzurasuppressarianucleopolydro virus and beauveria bassiana insecticidal suspending agentpossess synergistic effect, the composition is improved, the suspensibility is better, the self life is longer, no adverse influence on the environment is caused, and the buzurasuppressarianucleopolydro virus and beauveria bassiana insecticidal suspending agent is a safe and nontoxic high efficiency biological pesticide capable of avoiding generation of drug resistance.

The invention belongs to the field of microbial fermentation, and particularly relates to pediococcus pentosaceus derived from breast milk and application of the pediococcus pentosaceus. The pediococcus pentosaceus derived from the breast milk is pediococcus pentosaceus HM75-1 and is preserved in the China Center for Type Culture Collection on October 22, 2019, and the preservation number of the pediococcus pentosaceus is CCTCC NO: M 2019849. The strain is high in bacteriostatic ability, has relatively high inhibitory activity on common pathogenic bacteria in intestinal tracts, and particularly has a remarkable inhibitory effect on enterotoxigenic escherichia coli; the strain is good in gastrointestinal tolerance and high in adaptability to gastrointestinal tracts of human bodies, and canbe finally used for preparing medicines for inhibiting pathogenic bacteria of intestinal tracts and preventing and treating food-borne diseases, infant milk powder supplements, food preservatives andthe like.

The invention belongs to the field of ecological forest restoration, particularly relates to a low-cost rapid forest establishment restoration technology for a subalpine degraded forest and aims to propose a low-cost rapid forest establishment restoration technology, relying on a local secondary shrub microenvironment, for the specific degraded ecosystem of the typical secondary shrub stage formedby degradation of an alpine coniferous forest in southwest Asia. The technology is very simple, strong in operability and low in cost, makes the survival rate of trees high, maintenances such as artificial watering and fertilization are not needed after saplings are planted, the survival rate of the saplings can be remarkably improved only by depending on the natural environment, and rapid succession and recovery of the degraded ecosystem are promoted.

The invention relates to a damping and sound-insulating composite structural board. The damping and sound-insulating composite structural board comprises a plant fiber ecological core board and panels, wherein the panels are bonded with the core board and are magnesium alloy boards; and irregular curved surfaces are uniformly distributed on the single side or both sides of the core board, which are bonded with the panels. By combining the traditional sound insulating technology with structural sound insulating technology, the damping and sound-insulating composite structural board has the obvious advantages of simple process, low cost, low density, high sound insulating performance, mechanical performance, machining performance and surface quality, metallic luster, resource conservation, contribution to the maintenance of ecological balance, and wide application to decorative materials and high-speed trains.

The invention relates to pervious concrete. The pervious concrete is prepared from the following components in parts by weight: 106 parts of cement, 35 parts of limestone powder, 33-65 parts of aggregate, 12-24 parts of iron powder, 22-27 parts of macroporous resin, 4-9 parts of sodium sulfite powder, 10-30 parts of adhesive, 12-15 parts of reinforced fibers, 150-180 parts of cobblestones, 1-2 parts of a foaming agent and 1-2 parts of an additive. The pervious concrete provided by the invention has the advantages that the limestone powder is adopted for replacing pulverized coal in the original formula, dependence on the pulverized coal is greatly alleviated, production cost of concrete is reduced, and economic benefit is improved.

The invention discloses verticillium lecanii LL-01 and a biocontrol application thereof, and belongs to the technical field of microorganisms. The preservation number of the strain is CGMCC No.21940. Under conditions of 26 DEG C optimal to growth and spore production, photoperiod of 6L: 18D, fructose as a carbon source and casein as a nitrogen source, the verticillium lecanii LL-01 has high growth speed, high spore yield, and accumulative fatality rates on planococcus lilacinus and phenacoccus solani ferris at different instars up to 84.09%-97.62% and 89.89%-98.85% respectively. The verticillium lecanii LL-01 has good biocontrol potential, can be used for replacing part of chemical pesticides for preventing and controlling mealybugs so as to reduce usage of chemical pesticides, and facilitates to maintain ecological balance.

The invention relates to an ecological porous concrete and a preparation method thereof. The preparation method comprises the following steps: adding silica fume and strong acid-weak base salt during batch mixing and stirring of concrete; carrying out rapid carbonization with CO2 or gas containing CO2 on a test block from molding and maintenance period to concrete age; and spraying Evercrete DPS onto the surface of the test block. According to the method, the principles of alkali absorption by the silica fume, alkali elimination by the strong acid-weak base salt, alkali immobilization by carbonization and alkali sealing by the Evercrete DPS are employed for alkali degradation, so the porous concrete having undergone the alkali degradation has good compressive strength and an alkalinity value (a pH value of 6 to 10) suitable for plant growth, can meet needs of most green and environment-friendly projects and is beneficial for maintaining ecological balance and realizing sustainable development.

The invention discloses a multifunctional fish catching device. The multifunctional fish catching device comprises a catching box; a fish outlet is formed in the middle part of the upper end of the catching box; an end cover is arranged above the fish outlet; the part above the end cover is connected with a pull rope through a connecting ring; a fish catching mechanism I, a fish catching mechanismII and a feeding device are arranged on the two sides of the inner wall of the catching box sequentially from top to bottom; the feeding device comprises a turnplate; the turnplate is connected withthe inner wall of the catching box through a connecting rod; and rectangular feeding grooves are formed in the outer wall of the turnplate uniformly. The multifunctional fish catching device can efficiently catch fishes and reduce manual operation, and can reduce damage to the fishes in the catching process and improve the quality of the caught fishes.

The invention relates to a complex herbicide for treating stems and leaves of rice, and belongs to the technical field of agricultural pesticides. The invention provides a complex herbicide for stems and leaves of a rice field, which not only can prevent and remove grassy weeds such as Leptochloa chinensis in the rice field and the like, but also can prevent and remove broadleaf weeds, and is safe to rice and has no influence on succeeding crops. The technical key point is that the complex herbicide comprises the following raw materials and auxiliary agents in part by weight: 5 to 8 parts of cyhalofop butyl, 1.6 to 2 parts of carfentrazone-ethyl, 5 to 15 parts of 8207 emulsifying agent, 0.5 part of xanthan gum, 0.5 part of sodium benzoate and 100 parts of water. The complex herbicide has obvious weeding effect, and is superior to two single agents; simultaneously, the complex herbicide is wide in weeding spectrum, can prevent and remove annual grassy weeds and broadleaf weeds, can prevent and remove the weeds in the whole growth period of the rice by once application, has no influence on the following crops, and is the ideal herbicide currently.

A ballast water algae removal and sterilization device based on cesium 137 irradiation and ultraviolet irradiation comprises a ballast water bin, an irradiation pipe, a submersible water impeller, a first submersible pump, a second submersible pump and an ultraviolet treatment device, a radioactive source belt is arranged on the irradiation pipe, and an inner lead shielding layer and an outer leadshielding layer are arranged on the two sides of a radioactive source respectively; and a radioactive substance cesium 137 is stored in a radioactive substance. The algae removal and sterilization method comprises the following steps: 1) performing ultraviolet irradiation algae removal and sterilization; 2) performing radioactive ray irradiation algae removal and sterilization; 3) carrying out aeration treatment; and 4) conducting ultraviolet irradiation and drainage. According to the algae removal and sterilization device and method for a ballast water sump, the radioactive substance cesium137 is stored in the radioactive substance, algae inhibition, algae removal and sterilization of different wave bands of a water body can be achieved through gamma ray and ultraviolet wave irradiation, more hydroxyl free radicals can be generated by blowing air, and the algae removal and sterilization effect is improved. The ecological balance of different sea areas is favorably maintained.

The invention provides an induced proliferation method for glehnia littoralis hairy roots. The method comprises the following steps: obtaining glehnia littoralis aseptic seedlings; culturing agrobacterium rhizogenes for infection; performing co-culture on the transformed explant; and inducing hairy root generation and hairy root culture proliferation. The formation of glehnia littoralis hairy roots is induced by utilizing the agrobacterium rhizogenes infection, an in-vitro hairy root culture system is established, the content of medicinal component coumarin is analyzed and measured, the content of medicinal component coumarin is contrasted with the content of coumarin in adventitious root and artificially cultured glehnia littoralis roots, the content of coumarin in the hairy roots is the highest, and the glehnia littoralis hairy roots has the advantages of fast growth, short period, relatively high yield of the secondary metabolite and the like and can be used for industrial production of glehnia littoralis coumarin; and moreover, a novel path is provided for industrial production of the secondary metabolite of the glehnia littoralis by utilizing the hairy roots in the future, the threatened plant is protected, and the ecological balance is maintained.

The invention provides a method for producing liquid fertilizer by bamboo shoot wastewater. The method is characterized in that the raw materials include 30 to 50 parts of fresh bamboo shoot wastewater, 10 to 20 parts of inorganic fertilizers, 1 to 5 parts of natural active organic materials, 0.1 to 0.5 part of trace elements, 1 to 5 parts of botanical fungicides and 1 to 2 parts of natural surfactants. The method comprises the production process that the fresh bamboo shoot wastewater, the inorganic fertilizers, the natural active organic materials, the botanical fungicides and the natural surfactants are weighed according to the formula; after being stirred and mixed uniformly, the mixture is put into a sealed fermentation tank to be fermented at the fermentation temperature being 35 to 45 DEG C for the fermentation time being 5 to 10 days; then, the fermented mixture is filtered; filter liquor is collected; the liquid fertilizer is obtained. The method has the advantages that the bamboo shoot wastewater is changed into valuable materials from waste materials; good economic benefits and ecological benefits are realized.