178results about How to "Maintain ecological balance" patented technology

The invention discloses a coal power multi-path transformation and new energy combination decision-making method under low-carbon transformation. The method comprises the following steps: firstly, constructing a system comprising first-level effect indexes such as environmental influence, economic benefit, energy safety and technical innovation and corresponding second-level indexes; then, alternative schemes of various coal power transformation technology and new energy project type combinations are generated; then quantitatively evaluating the effect index of each scheme, and calculating a comprehensive utility value by using multi-criterion decision analysis; identifying potential risk factors, and performing uncertainty analysis through Monte Carlo simulation; and finally, according to the low-carbon transformation target and policy evaluation scheme conformity, selecting a scheme which most conforms to the policy target, and continuously monitoring and adjusting. The coal-electricity multi-path transformation and new energy combination decision-making method under low-carbon transformation is beneficial to promoting energy low-carbon transformation, optimizing resource allocation, improving economic benefits, promoting technical innovation, enhancing risk management capability and ensuring that a project is consistent with policy orientation.

The invention relates to the technical field of ecological breeding, in particular to an ecological breeding method based on a water ecological restoration system, which comprises the following steps: evaluating the water quality of a water area subjected to chemical restoration, evaluating the water pollution degree of the water area, and determining the water ecological restoration system according to the evaluation result of the water pollution degree of the water area. Calculating the maximum putting density of the target aquatic plants corresponding to the water area and the maximum putting quantity of the target microorganisms; finally determining the optimal putting proportion of the target aquatic plants and the target microorganisms in the water area; after the water area is put according to the optimal putting proportion of the target aquatic plants and the target microorganisms, a monitoring period is set, the water quality of the water area in the monitoring period is monitored, and the target aquatic plants and the target microorganisms are monitored according to the water quality monitoring result of the water area in the monitoring period. Adjusting the planting density of the target aquatic plants corresponding to the water area in the next monitoring period and the feeding quantity of the target microorganisms; the ecological balance of the water area can be recovered, the self-cleaning capacity of the water body can be improved, and a guarantee is provided for regional ecological safety.

The invention discloses a method for reducing saline-alkali water into modern seawater suitable for culturing various seafoods by using microorganisms, a special fish fertilizer for the method and application of a preparation method of the special fish fertilizer, and the method comprises the following specific steps: 1, pretreating the saline-alkali water: pumping saline-alkali with the salinity of 15-30% o into a culture pond, compressing, mixing and precipitating until the pH value is 7.3-7.5; 2, performing microbial culture: performing multi-stage enrichment on halobacterium violaceum and selecting dominant colonies; the method comprises the following steps: mixing underground saline-alkali water with the salinity of 10-20% o, saline-alkali water of a salt lake with the salinity of 180-200% o and high saline-alkali soil containing part of organic matters, cooking and sealing at the temperature of 200-210 DEG C, inoculating selected mixed halobacterium purple, pumping air, culturing with sunlight, and propagating for later use, wherein the pH value is 8.3-8.5; 3, reduction reaction: carrying out reduction reaction in a static water environment, when the water body is red brown or dark brown, inoculating a heterotrophic photosynthetic bacteria liquid and an autotrophic photosynthetic bacteria liquid with concentration, inoculating yeast powder, carrying out common reaction, then inoculating a special aquaculture fish fertilizer preparation, carrying out oxygenation reaction, and adjusting the pH value to 8.5-8.8; real seafood can be cultured in saline-alkali water in deserts and gobi deserts, zero pollution and zero emission can be achieved, the cost of development, implementation and popularization is low, and the cost of 10,000 cubic meters of water is only 675 yuan.

The invention relates to the field of forestry pest prevention and control, and discloses a juglans sigillata forest intelligent pest prevention and control system and method.The juglans sigillata forest intelligent pest prevention and control system comprises a data acquisition module used for collecting basic information of a juglans sigillata forest, and the basic information comprises meteorological environment parameters, soil physical and chemical properties and in-forest visual image data; the identification and analysis module is used for deeply analyzing data characteristics of the basic information, discriminating types and severity of diseases and pests, predicting potential occurrence risks of the diseases and pests and forming an evaluation result; and the early warning response module is used for presetting a risk level threshold value and rule logic and generating an early warning signal of a corresponding level according to an evaluation result. A data acquisition module integrating multiple types of monitoring units and communication units is constructed, so that the juglans sigillata forest can be sensed in all directions, the limitation of manual inspection is eliminated, and the problems of inaccurate monitoring and difficulty in data backtracking are solved; and the identification analysis module comprises sample management, model training and data analysis and prediction.

The invention discloses a production method of distiller's grain fermentation liquid fertilizer specially applied to roxburgh rose. The distiller's grain fermentation liquid fertilizer is prepared bythe step of evenly mixing 50 to 80 parts of distiller's grain fermentation extracting solution, 0.5 to 1 part of microelement, 5 to 10 parts of seaweed meal, 5 to 10 parts of natural active organism,2 to 5 parts of potassium bicarbonate, 2 to 5 parts of natural active organism and 2 to 5 parts of natural surface active agent. A preparation method of the distiller's grain fermentation extracting solution comprises the steps: evenly stirring 50 to 80 parts of distiller's grain, 50 to 150 parts of rice washing water, 1 to 2 parts of EM microflora fermentation liquid and 0.5 to 1 part of sugar, performing composting fermentation at the room temperature to obtain a distiller's grain fermentation material, stirring and extracting through a sodium carbonate water solution, filtering and performing evaporation and condensation on obtained filtrate until the density is 1.1 to 1.2 to obtain distiller's grain fermentation extracting solution. The distiller's grain fermentation liquid fertilizerdisclosed by the invention has a good use effect, meanwhile can effectively prevent pest and disease damage to the roxburgh rose and is high-efficiency environment-friendly liquid fertilizer.

The invention discloses a regional mouse prevention and control system based on an intelligent mouse poisoning station, and relates to the technical field of mouse prevention and control. Mouse activities and poison bait feeding conditions are monitored and recorded in real time, the deviation degree of poison bait consumption is judged, and the correlation between the poison bait consumption and the mouse activities is evaluated; the abnormal degree of the mouse activity range area is judged, and the interference on mouse activities after poison bait throwing is evaluated; then, the correlation between poison bait feeding and mouse activities and the interference on the mouse activities after poison bait feeding are comprehensively analyzed, and the poison bait feeding accuracy of the mouse poison station is evaluated; the poison bait feeding accuracy of the mouse poisoning station is divided, and the poison bait feeding strategy of the mouse poisoning station is intelligently optimized; after corresponding improvement measures are taken, the accuracy of poison bait throwing of the rat poison station is continuously evaluated, early warning is carried out in time when the accuracy of poison bait throwing is abnormal, the overall effect of regional rat prevention and control is improved, and meanwhile the adverse effect on an ecological system is reduced.

The invention discloses a strain of arthrosporium spp. And application thereof in prevention and treatment of pine wood line disease. The invention relates to Arthrobotrys heuanensis 18GD1705A, which is preserved in China General Microbiological Culture Collection Center (CGMCC) on November 15, 2021, the address of the Arthrobotrys heuanensis is No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing, the postal code is 100101, and the preservation number is CGMCC No.23851. The Arthrobotrys heuanensis 18GD1705A has the advantages that the Arthrobotrys heuanensis 18GD1705A can be used for preparing a microbial inoculant; according to the method disclosed by the invention, the river-source arthrosporium is inoculated into pine seedling bodies, and the nematodes are caught by utilizing a three-dimensional viscous bacterium net formed by special hypha metamorphosis and can also be killed by forming a structure similar to a contraction ring through singular contraction. Meanwhile, before the pine wood nematodes colonize the pine trees, the river source arthrosporium inoculant is inoculated into the pine trees, so that the tree vigor of the pine seedlings can be effectively enhanced, and a better prevention effect is achieved.

The invention relates to the technical field of water quality monitoring, in particular to a distributed raw water quality real-time monitoring system which comprises an underground water sampling module, a sample analysis module, a water quality feedback terminal and a data storage terminal. And finally, the water body quality corresponding to the underground water quality in the target raw water body area is fed back to a system interface for interface display, the water quality evaluation can guarantee the safety and sustainability of the water resource, and the water quality evaluation efficiency is improved. Health risks and economic losses caused by water quality pollution are avoided, and underground water quality evaluation has direct influence on public health. Various health problems may be caused by drinking or using the water for a long time, the drinking water safety of residents can be guaranteed, health risks can be found and treated in time, and therefore the health of the residents is protected.

The ecological slope protection structure for water and soil conservation for water conservancy construction comprises soil retaining plates fixedly supported on slopes on the two sides of a river, planting grooves for planting green plants are formed in the soil retaining plates, a water pumping pipe is fixedly connected, and the outer contour of the water pumping pipe is sleeved with a rectangular shell moving in a reciprocating mode; the rectangular shell is fixedly connected with a spray head and a drainage pipe which is in through connection with the spray head, in addition, a salvage mechanism and a liquid pumping mechanism are further arranged on the soil retaining plate and used for cleaning floating objects on the surface of river water and pumping the river water for irrigation, and the salvage mechanism achieves salvage of the floating objects through matched action of a cylindrical roller and a filter plate; according to the ecological slope protection structure, by means of an automatic irrigation system, the utilization efficiency of water resources is improved, the soil retention capacity is enhanced, plant growth is promoted, water and soil loss is effectively prevented, and the ecological slope protection structure can be applied to the field of ecological slope protection especially under the drought condition. The ecological environment is protected and recovered.

The invention discloses a sorghum aphid MsCYP1 gene as well as an encoding protein, dsRNA (double-stranded ribonucleic acid) and application thereof, and aims to solve the technical problem that a key gene is lacked when an RNA (ribonucleic acid) interference technology is used for biological prevention and control of sorghum aphids at present. According to the application, the sorghum aphid protein MsCYP1 capable of being secreted into sorghum cells is screened, and the protein and the coding gene thereof can inhibit the content of hydrogen peroxide in sorghum and the immune response of the sorghum. Meanwhile, according to the cDNA sequence of the MsCYP1 gene of the sorghum aphid, dsRNA for the gene is designed, the dsRNA is introduced into the body of the sorghum aphid in an artificial feeding mode, it is found that the dsRNA can remarkably inhibit the MsCYP1 gene of the sorghum aphid, then the honeydew secretion amount and the reproduction rate of the sorghum aphid are affected, the MsCYP1 gene can serve as an RNAi target gene to be used for aphid prevention and control, pesticide use is reduced, and the application prospect is good. The ecological balance is maintained.

The invention discloses a Chinese wildrye hydroponic nutrient solution as well as a preparation method and application thereof, and belongs to the technical field of plant cultivation. Each liter of the nutrient solution comprises the following components: 80 to 120 mg of ammonium nitrate, 45 to 55 mg of sodium dihydrogen phosphate dihydrate, 80 to 90 mg of potassium sulfate, 110 to 115 mg of anhydrous calcium chloride, 400 to 410 mg of magnesium sulfate heptahydrate, 1.5 to 2.0 mg of manganese chloride tetrahydrate, 0.08 to 0.10 mg of ammonium molybdate tetrahydrate, 1.1 to 1.2 mg of boric acid, 0.02 to 0.05 mg of zinc sulfate heptahydrate, 0.02 to 0.05 mg of copper sulfate pentahydrate, 15 to 35 mg of ferrous sulfate heptahydrate and 20 to 50 mg of disodium ethylene diamine tetraacetate. The hydroponic nutrient solution provided by the invention meets the nutritional requirements of leymus chinensis, seedlings grow quickly and vigorously by utilizing the nutrient solution, the biomass and nutrient content of the overground part are remarkably increased, and the high-quality pasture characteristics of the leymus chinensis are ensured.

The utility model discloses a gear grinding waste collecting device, and relates to the technical field of gear grinding devices, the gear grinding waste collecting device comprises a main body assembly, the main body assembly comprises a working table, a connecting frame is fixed at the top end of the working table, a cleaning assembly is arranged on one side of the connecting frame, and a cooling assembly is arranged on one side of the cleaning assembly. The servo motor is started to drive the output shaft to rotate, the belt drives the connecting shaft and the rotating disc to rotate synchronously, the rotating disc drives the moving block to move transversely in a reciprocating mode through the circular shaft, the large-pitch threaded lead screw moves under rotation of the gear, the scraper blade cleans waste materials on the material receiving plate, and the waste materials fall into the collecting box. Through centralized treatment of the ground waste, the situation that workers need to consume too long time to clean the waste and waste the time of the workers is avoided, meanwhile, the waste can be prevented from being discarded at will through collection and treatment of the waste, potential hazards of the waste to the environment are reduced, and ecological balance is protected.

The utility model discloses a liftable fish collecting and luring device and a fish resource investigation system, the liftable fish collecting and luring device comprises a fish collecting cage, a fish luring lamp is arranged in an inner cavity of the fish collecting cage, the fish collecting cage is provided with a fish collecting port and a fish outlet, the fish outlet is provided with a fish outlet opening and closing mechanism, and the fish outlet opening and closing mechanism is provided with a fish luring lamp. The top of the fish collecting cage is provided with at least one movable pulley block used for being matched with a steel wire rope of the lifting mechanism, each movable pulley block comprises at least one movable pulley, the liftable fish collecting and luring device further comprises fixed pulleys in one-to-one correspondence with the movable pulleys, and the lifting mechanism comprises an electric hoist. Steel wire ropes of the electric hoists sequentially penetrate through the upper ends of the corresponding fixed pulleys and the lower ends of the movable pulleys and then are connected with the installation frame, and the fixed pulleys are installed on the installation frame. According to the utility model, aquatic ecology investigation work of a target water area can be efficiently collected in real time.

The invention belongs to the field of ferrous metallurgy, and relates to a rare earth microalloyed plateau weather-resistant high-performance structural steel plate and a preparation method thereof. The steel comprises the following components in percentage by weight: 0.03%-0.05% of C, 0.15%-0.25% of Si, 1.30%-1.60% of Mn, less than or equal to 0.013% of P, less than or equal to 0.005% of S, 0.020%-0.045% of Nb, 0.006%-0.020% of Ti, 0.5%-1.0% of Ni, 0.15%-0.20% of Cr, 0.10%-0.30% of Cu, 0.001%-0.003% of Zr, 0.001%-0.010% of RE and the balance of Fe and inevitable impurities. The preparation method comprises the steps of molten steel converter smelting, RH and LF refining, continuous casting, casting blank heating, rolling and the like. According to the high-performance structural steel plate, ReH is larger than or equal to 420 MPa, Rm is larger than or equal to 525 MPa, the ductility is larger than or equal to 30%, the yield ratio is smaller than or equal to 0.80, the longitudinal impact energy at the temperature of-60 DEG C is larger than or equal to 250 J, the comprehensive mechanical property is excellent, the relative corrosion rate is smaller than or equal to 50% compared with traditional Q355 carbon steel, and the high-performance structural steel plate has the advantages of being resistant to low-temperature freezing and thawing, resistant to corrosion and resistant to environment-sensitive fracture.

The invention discloses a remediation device for land development, and belongs to the technical field of land development remediation. Comprising a protective shell, a belt conveyor used for conveying objects, a powerful fan used for blowing the objects, a knife type sweeper and an adhesive object collecting device which are used for sweeping the adhesive objects on the belt conveyor, and a compressing and collecting device used for compressing light plastic films. The device comprises a crushing device used for crushing soil, a powerful spraying device used for spraying the soil and dust generated by crushing, a soil collecting and hanging frame used for hanging a soil collecting bag and a crushing device used for crushing hard stones, and the device can separate and collect the soil, the plastic garbage and the stones; the method is beneficial to activity of microorganisms in soil and circulation of nutrients, so that the soil fertility is improved, better conditions are provided for plant growth, interference of plastic garbage is avoided, moisture and nutrients in the soil can be distributed more uniformly, absorption and growth of plant roots are promoted, and the ecological safety of the soil is guaranteed.

The invention provides a control method for asparagus stem blight, and relates to the technical field of plant disease control. The asparagus stem blight prevention and control method comprises the following steps: selecting a bred asparagus variety with relatively strong resistance to stem blight for planting, carrying out soil treatment, carrying out fertilizer and water management on the asparagus variety, and pruning; before asparagus is planted, beneficial microbial agents are applied into soil, pesticides are sprayed regularly for prevention and treatment, and once diseases are found, targeted bactericides are sprayed in time; monitoring points are set in different areas of a field, the growth condition of asparagus plants is observed regularly, monitoring data are analyzed, the occurrence trend of diseases is found in time, and prevention and control measures are adjusted. According to the method, the incidence rate of the asparagus stem blight is effectively reduced by comprehensively applying multiple measures such as disease-resistant variety selection, soil treatment, reasonable planting density, fertilizer and water management, pruning and pruning, beneficial microorganism introduction, natural enemy protection, chemical prevention and control, enhanced monitoring and physical prevention and control.

The invention provides a method for preparing biochar from spartina alterniflora and application of the biochar in nitrogen and phosphorus removal, and belongs to the technical field of biological materials. According to the method, the widely distributed spartina alterniflora is converted into the biochar, so that high-value utilization of invasive plants is realized, and environmental pollution is reduced. The biochar provided by the invention has excellent performance in the aspects of nitrogen and phosphorus removal, effectively improves water eutrophication, improves water quality and protects an aquatic ecosystem. The preparation method is simple, cost is reduced, and large-scale production is facilitated. And the method is environment-friendly, does not generate secondary pollution, and accords with sustainable development. The invention not only provides a new environment restoration material, but also opens up a new way for biomass resource utilization, has remarkable economic and social benefits, improves public health, improves life quality and protects biological diversity.

The invention belongs to the field of botanical fungicide preparation, and particularly relates to a winter Chinese cabbage fungicide and a preparation method thereof. A potassium hydroxide solution is fully adsorbed by a prepared porous matrix through an esterification cross-linking reaction, an obtained efficient sterilization nanoparticle mixed viscous solution is extracted and concentrated to prepare a sterilization antiviral natural extract, and the prepared efficient sterilization suspension can effectively prevent and treat winter cabbage diseases; after polydimethylsiloxane and propylene glycol are mixed and emulsified, the disease-preventing and resistance-improving powder obtained through freeze drying is mixed in a formed breathable emulsion, and the prepared disease-preventing and resistance-improving composition can enable the Chinese cabbages in winter to maintain disease resistance for a long time; the mixture for promoting plant growth is uniformly mixed with the efficient sterilization component, and the prepared winter Chinese cabbage bactericide can efficiently prevent and treat diseases caused by pathogenic microorganisms, improves the disease resistance of plants, has biocompatibility and does not damage ecological balance.

The invention relates to the technical field of intelligent monitoring, in particular to a bird intelligent monitoring identification method, a monitoring system, a medium and a product, and the method comprises the steps: obtaining a target image which is an image corresponding to a to-be-monitored area; importing the target image into a trained target recognition model to obtain corresponding bird recognition information; obtaining all bird identification information corresponding to a preset time period, and integrating all bird identification information in the preset time period to obtain a bird identification data set; and obtaining a standard data set corresponding to a preset time period, matching the standard data set with the bird identification data set to obtain a data set matching value, and when the data set matching value is lower than a preset standard value, generating prompt feedback information based on the bird identification data set. According to the invention, the accuracy of monitoring and identifying birds can be improved.

The invention discloses water quality detection equipment for water pollution control in the technical field of water quality detection, which comprises a detection system and a detection assembly, and the detection system is in signal connection with the detection assembly; the detection assembly comprises a reflection cavity and a detection cavity, the detection cavity is fixedly connected to the outer side of the reflection cavity, and the detection cavity is used for detecting water quality information of a water body; a convex lens is fixedly connected to the top of the reflection cavity, and a plurality of reflection plates are fixedly connected to the inner side wall of the reflection cavity and distributed in a staggered mode. A receiving assembly used for receiving reflected light is arranged between every two adjacent reflecting plates. An opening is formed in the bottom of the cavity, and a filtering assembly used for filtering particulate matter is arranged at the opening. The turbidity of a water body is detected in a light reflection mode, the mode of using a water pump and a motor is avoided, energy utilization is reduced, the equipment maintenance frequency is reduced, and therefore the equipment maintenance cost is reduced; the durability of equipment is improved, and the goal of sustainable development is met.

The invention relates to the technical field of crop planting, in particular to a cultivation method for remarkably improving salt tolerance of rice in salinized land, which comprises the steps of area selection, salt leaching and discharging and soil conditioner application, variety selection, transplanting time and transplanting mode selection, fertilizer application, water management and field management. From the perspective of efficient utilization of industrial solid wastes and full play of maximum benefits of nitrogen resources, the cultivation method for improving soil and efficient utilization of nitrogen resources under the background of a coastal salinized farmland area so as to improve the salt tolerance of the rice in the salinized land is determined; and certain technical guidance is provided for rice planting in coastal salinized areas.

The invention relates to the field of wind power generation, in particular to multifunctional miniature wind power generation equipment which comprises a fixing pile, a mounting seat, a wind power generation system and the like. A mounting seat is mounted on the fixed pile; and a wind power generation system is mounted on the mounting seat. The cleaning ring is driven by the driving part to repeatedly ascend and descend, floating garbage in the lake is continuously cleaned, harmful substances are prevented from being released after the garbage is decomposed, the ecological balance of the lake is maintained, people do not need to go into the lake to salvage the floating garbage, the manual workload is reduced, and meanwhile the overall landscape quality of the park is improved; in the using process of the equipment, the equipment operates through electric energy stored through wind power generation, dependence of a park on traditional electric power is reduced, the operation cost is saved, the output end of the driving part is shielded through the protective cover, and therefore the output end of the driving part is prevented from making direct contact with lake water, and stable operation of the driving part is guaranteed.

The present application discloses a seaweed active ingredient and a gradient extraction process thereof, and belongs to the field of seaweed extraction technology. The gradient extraction process of the seaweed active ingredient comprises the following steps: harvesting freshly salvaged seaweed, washing impurities on its surface with seawater, then slicing and adding sodium carbonate solution to stir, to obtain seaweed slurry; adding ethanol thereto and stirring, and obtaining a precipitate and an ethanol extract 1 after extrusion; adding ethanol to the precipitate and stirring, and then centrifuging to obtain a crude alginate extract and a supernatant 1, which is evaporated to recover ethanol and obtain a crude fucoidan extract; adding water to the ethanol extract 1 and stirring, and then centrifuging to obtain a crude fucoxanthin extract and a supernatant 2, which is evaporated to recover ethanol and obtain a crude brown algae polyphenol extract. The gradient extraction process can obtain crude extracts of multiple active ingredients at the same time, and does not require the use of a large amount of fresh water resources and toxic reagents, does not generate waste, is simple to operate, and has low cost, which is conducive to promotion and application.

The present application relates to the technical field of sludge treatment, in particular to a sludge suction dredging device for landscaping and a using method thereof. The device comprises a suction machine and a chassis connected with the liquid inlet end of the suction machine, the inside of the chassis is provided with a suction port assembly for regulating the size of the liquid inlet, the suction port assembly at least comprises two symmetrical elastic rods fixedly connected with the inner wall of the chassis, and the opposite ends of the two elastic rods are rotatably connected with a disturbance plate, the two symmetrical disturbance plates are rotatably arranged in the inside of the chassis, the compression and rebound force generated in the inside of the elastic rod resists the "eight" shape formed by the rotation of the surface of the two symmetrical disturbance plates, so that the flow rate of the sludge is accelerated when the sludge passes through the liquid inlet, and the impact force generated when the sludge enters the liquid inlet opened in the side wall of the chassis is buffered, the rotation shaft of the disturbance plate is connected with an auxiliary disturbance assembly, the elastic rod slides in the inside of the chassis, pushes the disturbance plate to rotate in the inside of the chassis, and regulates the size of the liquid inlet of the chassis.

The invention relates to the technical field of soil improvement, and discloses a garden soil composite improver and a preparation method thereof. The soil composite improver comprises, by weight, 12-15 parts of fermented organic fertilizer, 9-20 parts of modified water-retaining adsorbent, 24-30 parts of biochar, 5-8 parts of plant ash, and 1.2-2 parts of a microbial mixture. The soil composite improver has good adsorption to heavy metal ions, can effectively remove heavy metal ions in the soil, and has excellent fertilizer and water retention, and can maintain the nutrients in the soil for a long time. It has excellent air permeability and water retention, can keep the soil loose and moist, improve soil compaction, improve soil air permeability and soil activity, provide necessary air and water for the growth of plant roots, and each component complements and promotes each other, synergizes and enhances efficiency, and can effectively improve the quality of garden soil.

The utility model discloses a kind of multistage filtration purification devices for fish and vegetable symbiosis system, it is related to fish vegetable symbiosis technical field, including the sedimentation primary filtration unit, mechanical filtration unit, microbial purification unit and plant root symbiosis unit connected in turn, the sedimentation primary filtration unit is connected with mechanical filtration unit by first connecting pipe intercommunication, mechanical filtration unit is connected with microbial purification unit by second connecting pipe intercommunication, microbial purification unit is connected with plant root symbiosis unit by third connecting pipe intercommunication, and plant root symbiosis unit is connected with fish pond by backwater pipe and forms circulation system.The utility model solves the technical problem that present fish and vegetable symbiosis system purification link is single, water quality fluctuation is big, system stability is poor.

The utility model relates to the technical field of coastal zone ecological restoration, and discloses a coastal zone ecological restoration bank protection structure. The device comprises a coast main body and a sea, a salt marsh wetland is arranged between the coast main body and the sea, a plurality of ecological vegetation are planted on the surface of the salt marsh wetland, a viewing platform is arranged on one side of the salt marsh wetland, a main retaining wall is arranged on one side of the viewing platform, a protection slope is arranged on one side of the coast main body, and a plurality of grass fixing frames are arranged on the surface of the protection slope. A water collecting channel is formed in the viewing platform; a water pump chamber corresponding to the water collecting channel is formed in the coast main body; a water pump is mounted in the water pump chamber; a water conveying opening is formed in one side of the water pump; by means of the design, sea wave erosion is resisted, coastal buildings and roads are protected, and the ecological balance recovery speed of the coastal zone is increased.

The invention belongs to the field of prebiotic microcapsules, and discloses a prebiotic microcapsule as well as a preparation method and application thereof. The preparation method comprises the following steps: mixing the hydrolyzed glutinous rice flour, the tea polyphenol, the L-glutamine, the raffinose, the arabinoxylan, the mannan oligosaccharide, the curcumin and the sodium alginate to obtain a water phase component I; mixing psyllium husk powder, konjac glucomannan, chitosan, guar gum and hot water to obtain a mixed system, performing pH regulation and cooling treatment, and mixing calcium chloride powder with the cooled mixed system until the calcium chloride powder is dissolved and saturated to obtain a water phase component II; mixing rapeseed oil, lecithin, optional olive oil and optional tea oil to prepare an oil phase component; and mixing and stirring the water-phase component I and the oil-phase component to obtain an oil-water mixed emulsion, mixing the oil-water mixed emulsion with the heated water-phase component II, curing, and centrifuging to obtain the prebiotic microcapsule. The prebiotic microcapsule disclosed by the invention can effectively solve the problem of flora imbalance of vagina micro-ecology.

The utility model provides a pest control device for forestry seedling raising, which comprises a surface plate, a detachable dome cover arranged above the surface plate, a dissolving box arranged below the surface plate, a lifting hook arranged above the surface plate and used for pulling out the whole control device from soil, a mounting groove arranged on the surface plate, and a mounting groove arranged on the mounting groove. The dome cover is arranged in the mounting groove, the pest control device attracts pests through pheromones, a citric acid dissolving solution is used for promoting rapid decomposition of pest corpses, effective control over the pests is achieved, the combination of the sticky hair and the dissolving solution ensures that the pests are rapidly captured and decomposed, and the organic acid decomposition process of citric acid is efficient and environmentally friendly. In addition, organic substances of the pest corpses are finally released into the soil, nutrition is provided for the soil, cyclic utilization of resources is achieved, and ecological balance is kept.

The invention relates to the technical field of dredging and cleaning devices for sediments in petroleum drilling, oil extraction and transportation containers, in particular to a petroleum container cleaning device which comprises a set of double-effect venturi character-shaped combined main body, a group of five-way joints, more than three nozzles, pressure-resistant pipelines with various sizes and specifications and a plurality of drainage discharge pipes connected in series, the rapid cleaning device is formed by combining a container, a lower bottom composed of a plurality of steel plates and a triangular pentahedron collecting box with an open feeding face, all the structures are used in cooperation, and compared with an inherent manual cleaning mode, an operator only needs to enter the container and can complete cleaning through high-speed liquid flow sprayed out of a handheld nozzle, and the cleaning efficiency is greatly improved. The device is simple in structure and convenient to operate, a large amount of labor cost is saved, in addition, the Venturi superimposed effect is utilized in the cleaning process, under the condition that pollution emission is not increased, slurry stock solution is used for providing power through a displacement pump to efficiently convey petroleum waste, labor input is reduced, efficiency is improved, and meanwhile environment-friendly reduction of the waste is achieved.