40results about How to "Protect environment" patented technology

The utility model relates to the technical field of artificial hives, in particular to a modularized field long-term monitoring hive which mainly comprises a main hive. The main nest box is of a box body structure with an opening in the top and used for providing living space for birds. The top opening of the main nest box is detachably connected with a monitoring equipment box through a connecting part to form a modular combination; the connecting part is of an axially-extending reducing structure, one end of the connecting part is matched with a connecting opening in the bottom of the monitoring equipment box, and the other end of the connecting part is matched with an opening in the top of the main nest box. A multi-stage reducing structure is arranged at the end matched with the main hive, and the size of each reducing stage corresponds to the size of an opening in the top of the main hive of different specifications, so that universal connection between the main hive of different specifications and the monitoring equipment box is achieved; the hive breaks through the traditional installation limitation, and the installation and use efficiency of monitoring equipment is greatly improved. And a single part can be conveniently detached and replaced, so that the maintenance difficulty and cost are reduced, and powerful support is provided for bird research and protection work.

The utility model provides an energy-saving culture tail water nitrogen and phosphorus removal system. The energy-saving culture tail water nitrogen and phosphorus removal system comprises a rotary drum microfilter and autotrophic denitrification deep nitrogen and phosphorus removal equipment, an electro-catalysis module is arranged between the water outlet end of the rotary drum microfilter and the water inlet end of the autotrophic denitrification deep nitrogen and phosphorus removal equipment; the electrocatalysis module is configured to form phosphate precipitates in filtered water, the autotrophic denitrification deep nitrogen and phosphorus removal equipment is provided with a second water inlet pipe, the second water inlet pipe is connected with a mixing device, the other end of the mixing device is connected with a first water outlet pipe, and the first water outlet pipe is connected with a second water outlet pipe. The first water outlet pipe is connected to the autotrophic denitrification deep nitrogen and phosphorus removal equipment, and the mixing device is configured to be filled with sulfate reducing bacteria. Nitrogen, phosphorus and sulfur elements in culture tail water can be effectively removed, water area pollution is prevented, and the device has the advantages of being simple in structure, low in operation cost, high in treatment efficiency and the like; the method is suitable for treating various aquaculture wastewater.

The application discloses a soil enterobacter capable of efficiently degrading polypropylene and application thereof. The strain is FJNUIM-S2, which is classified and named as soil enterobacter (Enterobacter agglomerans) Enterobacter soli ), is preserved in the China General Microbiological Culture Collection Center (CGMCC), and is preserved on October 17, 2024, with a preservation number of CGMCC No. 32241 and a preservation address of No. 3, Institute of Microbiology, Chinese Academy of Sciences, Xiliujiaobei, Chaoyang District, Beijing. The strain FJNUIM-S2 of the application can grow with polypropylene as the only carbon source, has good polypropylene degradation characteristics, provides a microbial resource for bioremediation of waste polypropylene in the environment, and has a wide application prospect.

The application discloses a kind of liquid flow dyeing after water purification circulating reuse energy-saving emission reduction device, mixing tank is communicated with the pump body by pipeline, the pump body is connected with the heater input end, the heater output end is communicated with the return pipe, the return pipe both ends are respectively communicated with the both ends of the mixing tank, the partition plate is arranged in the heater, the heater is divided into two parts, the liquid storage tank is arranged in one side of the mixing tank, the liquid storage tank is communicated with one end of reusing pipe, the other end of reusing pipe is respectively communicated with the return pipe.The application is analyzed to dyeing water quality, after being introduced into the equipment, compared with traditional liquid flow dyeing equipment, water is effectively saved by 30~40%, the cost of water, steam, sewage treatment of dyeing factory is greatly reduced, and because of the great reduction of absolute pollution amount, the purpose of protecting water resources and environment is achieved.

The utility model relates to sealing device technical field, concretely relates to a kind of automatic sealing device of powder material sampling barrel, including adjustable height base, the upper portion of base is provided with support plate, the upper surface of support plate is provided with the sampling barrel body for receiving material, the top of sampling barrel body is detachably provided with receiving pipe, support device for fixing the height of sampling barrel body is provided between support plate and base, receiving pipe detachably arranged on the top of sampling barrel body and good sealing design, avoid the leakage of powder material in repeated sampling process, protect the environment, ensure the health of operator.

The application discloses a strain of rice endophytic wilkamp clavula GLARF-10, a biological preparation thereof and application of the strain in the prevention and treatment of rice blast, and belongs to the technical field of biological pesticides. The wilkamp clavula GLARF-10 is preserved in the Guangdong Microbial Culture Collection Center on December 31, 2024, and has a preservation number of GDMCC No: 65695. The fermentation liquor or supernatant of the wilkamp clavula GLARF-10 is used for preparing a corresponding biological preparation; the wilkamp clavula GLARF-10 and the biological preparation thereof are applied in the prevention and treatment of rice blast. The application is mainly used for inhibiting the normal growth of Magnaporthe oryzae, has an excellent potential biocontrol effect on the prevention and treatment of rice blast, and has a small influence on the ecological environment by spraying the fermentation liquor or supernatant of the strain to rice tissues for the prevention and treatment of rice blast; the strain has low culture condition requirements and has a good development and application prospect.

The utility model relates to the technical field of batten cutting, and discloses a batten cutting device convenient for fixing a batten, which comprises a cutting knife mounted on a working table through a mounting frame I, the two pressing wheels are installed on the workbench through two second installation frames correspondingly, and the two pressing wheels are located on the two sides of the cutting knife. The condensing equipment is installed on the bottom plate, the condensing equipment is communicated with a condensing pipe, the condensing pipe penetrates through the cutting knife, and the cutting knife is provided with a containing cavity used in cooperation with the condensing pipe; the dust collection plate is mounted above the cutting knife; the dust collection equipment is mounted on the bottom plate, and the dust collection equipment is communicated with the dust collection plate through a connecting pipe. According to the shaving board cutting device, efficient, accurate and environment-friendly cutting of shaving boards is achieved through the cutting knife, the pressing wheel, the condensing device, the dust collection device, high-hardness materials, precise design, stable pressing, heat absorption and strong suction force.

This utility model relates to the field of agricultural machinery and equipment technology, and in particular to a detachable multi-functional agricultural soil loosening and weeding integrated machine. It includes a connecting base, with fixed plates fixedly connected to the front left and rear left ends of the connecting base. Positioning holes are provided on the upper left and upper right ends of the two fixed plates, and threaded holes are provided on the left and right sides of the opposite sides of the two fixed plates. A soil-blocking mechanism is installed on the upper ends of the two fixed plates, and a soil loosening and weeding device is installed between the two fixed plates. A dust-reducing mechanism is fixedly connected to the upper end of the connecting base. This detachable multi-functional agricultural soil loosening and weeding integrated machine allows for easy installation of the soil-blocking cover above the soil loosening and weeding device, ensuring that the cover effectively prevents soil and weeds from splashing. It also facilitates subsequent disassembly of the soil-blocking cover for cleaning and maintenance of the inside of the cover and related components of the soil loosening and weeding device, reducing the impact of debris accumulation on equipment efficiency.

The application relates to the technical field of water resource protection, and particularly discloses a device for constructing an ecological barrier in a surface-underground water interaction zone, which comprises a barrier construction pool; a purification pool is arranged on one side of the inside of the barrier construction pool; an aeration pool is arranged on the middle side of the inside of the barrier construction pool; a wetland pool is arranged on the other side of the inside of the barrier construction pool; a purification mechanism is jointly arranged between the inner walls on the two sides of the wetland pool; and a plurality of interception mechanisms are embeddedly arranged on one end of the barrier construction pool; the purification pool, the aeration pool and the wetland pool can sequentially perform biological degradation, aeration decomposition and plant purification treatment on surface water, so that the surface water flowing into the interaction zone is comprehensively purified; the plurality of planting mechanisms in the wetland pool can utilize the biological degradation capacity of aquatic plants to absorb and transform pollutants in the surface water, improve the water quality, and further avoid the pollutants contained in the surface water from penetrating into the underground water along with the water flow to pollute the underground water.

This invention provides a molded rice seedling tray with a seedling-strengthening agent and acid-adjusting properties, and its preparation method, belonging to the field of rice seedling technology. A method for preparing a molded rice seedling tray with a seedling-strengthening agent and acid-adjusting properties includes the following steps: (1) mixing agricultural and forestry waste with sulfur powder and fermenting to obtain acid-adjusting fermented material; (2) mixing a seedling-strengthening agent, zeolite powder, and acidic river silt to obtain a functional masterbatch; (3) mixing the acid-adjusting fermented material, the functional masterbatch, ammonium sulfate, and sodium carboxymethyl cellulose to obtain a pressed material; (4) pressing the pressed material into shape to obtain a molded rice seedling tray with a seedling-strengthening agent and acid-adjusting properties. This invention successfully solves the four core problems in soilless rice seedling cultivation: difficulty in acid adjustment, difficulty in fertilizer transport, high cost, and difficulty in industrialization, achieving a win-win situation for both ecological and economic benefits, and possessing extremely high industrial application value and promotion prospects.

The utility model discloses a dust collection device for a toilet paper production workshop, which comprises a cart, the top of the cart is fixedly connected with a mounting groove, the interior of the mounting groove is fixedly connected with a stepping motor, the output end of the stepping motor is fixedly connected with a rotating disc, and the top of the rotating disc is fixedly connected with a lifting strip. Through cooperation of the stepping motor, the rotating disc, the lifting strip, the lifting groove, the threaded rod, the lifting block, the moving strip, the translation groove, the translation column, the translation block and the dust collection cover, the angle, height and horizontal position of the dust collection cover can be flexibly adjusted, a dust source can be accurately aligned, the dust collection efficiency is improved, and the dust collection effect is good. Then through cooperation of a dust collection fan, a flow divider and a telescopic dust collection pipe, a dust collection system can be formed, dust can be effectively collected, a toilet paper production workshop is kept clean, and a cart is convenient to move and can be flexibly placed according to the layout of production equipment.

This utility model relates to a rainwater filtration and purification device for sponge cities, comprising a purification chamber; the purification chamber is equipped with an inlet pipe connected to the outlet of a sewage interception basket, and an outlet pipe connected to the inlet of a rainwater storage tank; the purification chamber is equipped with a partition, dividing it into an inlet chamber connected to the inlet pipe and a drainage chamber connected to the outlet pipe; a diversion pipe is also provided inside the purification chamber; one end of the diversion pipe is located in the inlet chamber, with its opening extending downwards, below the liquid surface of the inlet chamber and away from the bottom of the inlet chamber; the other end of the diversion pipe passes through the partition and is connected to the outlet pipe via a filtration device. By setting up a synergistic structure of the diversion pipe and the filtration device, multi-stage filtration of rainwater from the inlet chamber to the drainage chamber is achieved. The diversion pipe guides the relatively clean rainwater from the upper layer of the inlet chamber into the filtration device, effectively avoiding the sediment and suspended solids deposited at the bottom, thereby significantly improving the rainwater purification effect.

The utility model discloses a kind of UHPC cable manhole covers, including the cover plate body made of UHPC, multiple groups of reinforcement cage are pre-buried along length direction in the cover plate body inside, and reinforcement cage includes longitudinal main reinforcement and transverse distribution reinforcement;Anti-skid texture is equipped on the upper surface of cover plate body, and sealing groove is equipped on the side surface of four around, and rubber sealing strip is adaptively installed in sealing groove;Hoisting connecting part is equipped on the side surface of both ends of the short side of cover plate body;Reserved mark area is on the upper surface of cover plate body, multiple groups of reinforcing ribs are arranged along width direction in the cover plate body inside, and drainage groove is set up on the upper surface, the utility model uses UHPC material, compared with traditional concrete, high in strength, good in durability, under the premise of guaranteeing cover plate strength, cover plate thickness can be appropriately thinned, effectively reduce dead weight, after testing, the utility model cover plate body compared with same size ordinary concrete cover plate dead weight lightens 30%-40%, convenient to carry and install, reduce construction difficulty and labor intensity;Meanwhile, the high durability of UHPC makes cover plate long-term use under harsh environment, reduces maintenance replacement frequency, reduces whole life cycle cost.

The utility model relates to a mining area ecological restoration and foundation treatment structure based on microbial mineralization. The mining area ecological restoration and foundation treatment structure comprises a microbial macadam three-dimensional reinforcing structure of a middle-shallow layer, a microbial solution and a reaction solution are injected through a pre-buried grouting floral tube, calcium carbonate precipitates are generated and cemented with macadam to form a three-dimensional reinforcing layer, water is rapidly drained, and the bearing capacity of a foundation is improved; the deep layer is sealed by three layers of polyvinyl chloride films, and is combined with a horizontal drainage cushion layer and a drainage plate to form a vacuum combined surcharge preloading system to accelerate drainage of water in the deep layer; the backfill soil is formed by mixing mine tail mud with external soil, and recycling of the tail mud is achieved through layered paving and rolling; the disc pit tunnel is formed by spiral cutting along the mine pit wall, kerbs and stand columns are reserved to guarantee passing safety, and cut stones are recycled. And a horizontal / vertical observation marker post is used for monitoring the displacement and settlement of the foundation. The utility model solves the problems of tail mud stockpiling, low construction efficiency and low foundation stability, and has the advantages of environmental protection, economy and high efficiency.

The application discloses a kind of construction methods of rice green production paddy field ecosystem, the method includes: reasonable application organic fertilizer, select suitable local climatic conditions, strong resistance, high yield, rice quality is excellent rice variety as main cultivation variety, set up ecological ditch around paddy field, plant aquatic plant, control the number of pests by releasing natural enemy insects, introduce duck into paddy field during rice growth, promote rice growth.Finally, establish disease and pest monitoring and early warning system, regularly detect paddy field ecological environment, take measures in time to cope with possible problems.The present application aims to integrate the trinity of "ecological benefits + ornamental value + economic benefits" green rice production system.Through the present application, the use of chemical pesticides and fertilizers can be effectively reduced, the yield and quality of rice can be improved, the ecological environment can be protected, and sustainable development can be realized.

According to the red-mud-based ecological permeable concrete pavement structure and the construction technology thereof, a red-mud-based ecological permeable concrete pavement adopts a double-layer design, pores and the particle size of a bottom surface layer are larger than those of a surface layer, a continuous efficient permeable channel is formed, and the surface layer preliminarily infiltrates and filters accumulated water on the pavement and intercepts part of impurities; the bottom surface layer further provides an infiltration channel, so that rainwater rapidly infiltrates into the ground, surface runoff is greatly reduced, the problem of poor water permeability of a traditional pavement is solved, underground water supplementation is assisted, and urban inland inundation is relieved; meanwhile, the strong basicity characteristic of the red mud is ingeniously utilized in the pavement structure, when surface runoff containing pollutants sequentially passes through the surface layer and the bottom layer, the red mud-based material of the bottom layer can enable heavy metal ions in the runoff to be subjected to reactions such as precipitation in an alkaline environment, and the heavy metal ions are fixed in the pavement structure, so that deep purification of the pollutants is realized; pollution of rainwater to natural water is effectively reduced, and the water ecological environment is protected.

The present application belongs to the technical field of multifunctional textiles, and provides a biomass-based multifunctional flame-retardant textile and a preparation method thereof.Cotton fabric is dipped in a folic acid aqueous solution and dried, the folic acid-treated cotton fabric is dipped in an egg yolk aqueous solution and dried; the cotton fabric is alternately dipped in the folic acid aqueous solution and the egg yolk aqueous solution to obtain pretreated cotton fabric; the pretreated cotton fabric is dipped in a phytic acid aqueous solution and dried to obtain a biomass-based colored antibacterial and ultraviolet-resistant multifunctional flame-retardant textile.The present application uses a layer-by-layer self-assembly method to construct a folic acid / egg yolk / phytic acid coating on the surface of the cotton fabric, successfully prepares an antibacterial and ultraviolet-resistant multifunctional flame-retardant textile with good coloring effect, improves the added value of the textile, expands the application field of the textile, and has important practical application value and social significance.

The utility model discloses a kind of wood brush handle paint dipping air drying devices, applied in air drying equipment technical field, including dehumidifier main body and two air ducts, the inside fixedly connected with baffle in the air duct, the inside symmetrical rotationally connected with shaft in the air duct, the surface of the shaft is fixedly sleeved with air guide fan blade, one end of two the shafts is all penetrated to the outside of air duct and fixedly sleeved with gear meshing with each other, the bottom of the air duct is symmetrically provided with suction port;The utility model can divide the space inside air duct into two independent chambers by designing baffle inside air duct, one is used to discharge dry air to dry wood brush handle, another is used to suck the dry air inside glass paint dipping chamber, after being purified after being carried with paint smell by activated carbon filter screen inside purification cavity, it is discharged to outside, avoid workshop interior to have paint smell diffusion, protect workshop environment.

The present application relates to the technical field of air covered yarn, and particularly relates to a preparation method of regenerated polyamide (PA) floating white air covered yarn. Specifically, the method comprises the following steps: spinning regenerated PA POY filament by using regenerated environment-friendly chip raw material; regularly performing different stretching treatments on the prepared regenerated PA POY filament on an air covering integrated machine, so that the filament has multiple different crystal bodies on the same filament; and obtaining a regenerated PA floating white air covered yarn by using the filament and spandex prepared on the air covering integrated machine. The PA air covered yarn manufactured by using the regenerated environment-friendly chip as the raw material can not only meet the demand of weaving and cloth making, but also protect the environment and prevent overexploitation of fossil resources on the earth. The elasticizer modification breaks through the problem that a single yarn has different dyeing sections, so that the subsequent weaving and cloth making have the effect of double-color floating white.

This invention belongs to the field of environmental microbiology, specifically a type of Klebsiella variicola and its applications. Klebsiella variicola, strain IFPBD3, is deposited at the China General Microbiological Culture Collection Center (CGMCC) on May 25, 2023, with accession number CGMCC No. 27461. The rice straw degrading bacteria produced by the technical solution of this invention can effectively degrade rice straw, significantly increase straw fertility, and improve straw utilization rate.

The invention discloses an inorganic plastic oxygen composite material and application thereof in a green agriculture and plant maintenance system. The inorganic plastic oxygen composite material is prepared from the following components: an inorganic internal peroxide bridge composite compound, an inorganic mediated catalytic material and a material balancing and stabilizing system, through the synergistic effect of all the components, the generation amount and the utilization efficiency of singlet oxygen are remarkably improved, and then the excellent pest control and pesticide residue degradation effects are achieved. In actual agricultural application, an aqueous solution prepared from the composite material can generate air containing singlet oxygen after being atomized and aerated, the air is uniformly released through a greenhouse pipeline, germ spores in the air can be quickly killed, and meanwhile, the composite material is sprayed on the surfaces of crops, so that mold and gray mold of the crops such as tomatoes and cucumbers can be effectively prevented and treated; the efficient degradation effect on organic phosphorus pesticide residues on the surfaces of the vegetables is realized. The whole technical scheme does not need to use chemical pesticides, meets the development requirements of green agriculture, can effectively reduce pesticide residue pollution, and protects the ecological environment of soil.

This utility model discloses a plasma cutting machine fume adsorption and purification mechanism, belonging to the technical field of plasma cutting fume adsorption and purification equipment. It includes: a worktable with two sets of sliding grooves inside, an electric support slidably mounted inside the two sets of sliding grooves, a cylinder fixedly mounted on the top of the electric support, a cutting blade fixedly mounted on the output end of the cylinder, a connecting frame fixedly mounted on one side of the support, and a dust suction hood fixedly mounted on one side of the connecting frame. This structure is simple and easy to operate, enabling quick installation and removal of the filter plate, timely cleaning or replacement of clogged filter plates, and ensuring that the purification mechanism always maintains good filtration performance. The primary filter plate, water mist purification, and secondary filter plate form a tight three-stage purification system, facilitating the interception of larger particles in the fume and the interception of remaining small particles and impurities not adsorbed by the water mist, greatly improving the cleanliness of the purified air.

The invention relates to the technical field of pipe jacking construction, and discloses a blind area cleaning method, device and equipment based on soil bin partition plate stress and a medium. The method comprises the steps that distribution of loads borne by the front surface of a soil bin partition plate is generated through a trained machine learning model; according to the load distribution, the pressure of a blind area and the pressure of a non-blind area of the area where the soil bin partition plate is located are obtained, the pressure of the blind area is compared with the pressure of the non-blind area, and the ratio of the pressure of the blind area to the pressure of the non-blind area is generated; comparing the ratio with a set value, obtaining a comparison result of the ratio and the set value, executing a first cleaning decision when the comparison result is a first proportion that the ratio is greater than the starting threshold value and less than the set value, and executing a second cleaning decision when the ratio is not less than the first proportion of the set value and not greater than a second proportion of the set value, and when the ratio is greater than a second ratio of the set value, executing a third cleaning decision. The cleaning efficiency of the excavation blind area in the tunneling process of the rectangular pipe jacking machine can be improved.

The invention discloses a method for inspecting tree felling on a plane cross-section diagram, and relates to the technical field of intelligent operation, maintenance and design of high-voltage transmission lines. A traditional tree verification method adopts static measurement, does not consider dynamic factors such as wire windage yaw swing and tree growth, and has the problems of safety margin distortion and poor terrain adaptability. According to the method, a four-layer progressive verification system of main line-side line-special terrain-sporadic tree is adopted, wherein the main line adopts a self-defined tree cutting line to carry out static rapid screening; performing dynamic collision verification on the left and right side lines by establishing a terrain triangular model and inputting a windage yaw safety height; carrying out intelligent addition and verification on dangerous points outside the special terrain; and the sporadic tall trees are directly verified according to the actually measured heights. The conversion from passive operation and maintenance to active design prevention is realized, and the single-span analysis time is greatly shortened; based on two-dimensional drawing operation, the cost is low, the felling range is accurately delimited through dynamic and static combined verification, and the safety and environmental protection requirements are effectively balanced.

This invention relates to the field of breakwater technology and discloses a composite floating breakwater using concrete and bamboo wave-dissipating structures. The invention features multiple guide elements at the bottom of the pontoon, arranged obliquely from low to high along the direction of the ocean current. This creates a gradually rising stepped or sloping structure extending from the rear end to the front end of the current. This arrangement allows the current to be naturally guided upwards or along the slope when passing through the guide structure, thus dispersing it and generating effective flow-around effects such as vortices and backflows. This helps to disperse the energy of the current over a wider area, reducing the energy impacting the breakwater, extending its service life, and reducing damage and maintenance costs caused by current impacts.

The present application belongs to the field of electric power, and particularly relates to an ecological bird prevention device for a power transmission line tower, comprising a cross arm and a clamp, and the clamp is connected to the cross arm. The device is driven by natural wind to rotate the fixed rod and the sleeve rod, and the sleeve rod drives the baffle to rotate, thereby preventing birds from standing in the adjacent areas of the line rod, the arc-shaped frame and the threaded sleeve, and preventing birds from nesting between the clamp and the line rod, avoiding the situation that the nest is removed after the birds nest, indirectly protecting the ecological environment, and avoiding the frequent activities of the birds near the porcelain bottle to pollute the porcelain bottle, and solving the problem that the birds frequently move on the wire near the cross arm after nesting to pollute the insulator, and the problem that the protection of the insulator by the partition plate cannot fundamentally solve the problem.

This utility model discloses a zoned temperature-controlled powder curing oven structure, including a high-temperature resistant conveying mechanism, a servo motor, an adjustable heating plate, and an exhaust fan. Heating ovens are fixedly connected to the upper surfaces of both sides of the high-temperature resistant conveying mechanism, and sleeves are installed at equal intervals at the upper ends of the heating ovens. A servo motor is installed on the upper surface of the heating oven along the sleeves. An adjustable heating plate is installed on the inner wall of the upper end of the zoned enclosure. Air outlet pipes are fixed to both ends of the upper surface of the heating ovens, and an air suction pipe is fixedly installed through the surface of the heating ovens along the sides of the air outlet pipes. A filter chamber is fixedly installed on the outer wall of the upper end of the air suction pipe, and the lower end of the filter chamber is connected to the air outlet pipe via a vent pipe. An exhaust fan is installed on the inner wall of the air outlet pipe. This zoned temperature-controlled powder curing oven structure facilitates the handling of waste gas generated during processing, thereby protecting the environment around the device and improving its environmental friendliness.

The invention relates to the technical field of green prevention and control of agricultural pests, in particular to a green prevention and control method for rice pests based on combination of multiple spiders and application of the green prevention and control method for rice pests based on combination of multiple spiders. Placing density and position of the spiders: after the rice is transplanted, uniformly putting the combination of the various spiders into the rice field according to the putting density; and ecological environment optimization: arranging shelters for inhabiting and avoiding of the spiders in the rice field to promote survival and reproduction of the spiders. According to the method, multiple spiders with ecological niche complementarity are screened, a natural enemy community which can be stably colonized in a rice field and has a synergistic effect is constructed, continuous and efficient control over main pests of rice is achieved, and finally the purposes of completely replacing chemical pesticides, protecting the ecological environment and producing green rice are achieved.

This invention provides an experimental device and method for attracting, blocking, guiding, and enticing fish. The bottom center of the experimental fish tank is hinged to a base. Multiple lifting devices connect the fish tank to the base on both sides of the hinge point. One end of the fish tank has an outlet, and the other end has a return channel, which is connected to the outlet via a pump to form a circulation system. A sliding experimental platform is mounted on the fish tank, and the experimental device for attracting, blocking, guiding, and enticing fish is installed on the platform. Fish-blocking nets are installed inside the fish tank and on both sides of the platform. This helps us better understand how to protect marine and freshwater ecosystems. In summary, the purpose of constructing this experimental device for attracting, blocking, guiding, and enticing fish is to protect fishery resources and the ecological environment, and to promote sustainable development.

The utility model discloses an embedded refrigerator support base relates to refrigerator base technical field, including base main part, adjustable support leg and auxiliary moving mechanism, and the base main part includes horizontal bearing beam and longitudinal connecting beam, and both orthogonal connections form network like structure, and adjustable support leg evenly distributes at the four corners of base main part bottom and the central position of bottom, including fixed mounting on the connecting sleeve of base main part, and the inner wall processing of connecting sleeve has the screw thread, and the foot pad is connected on the screw thread of connecting sleeve, and auxiliary moving mechanism includes two groups of moving assembly and a group of drive assembly, and wherein drive assembly sets up between two groups of moving assembly. In this application, auxiliary moving mechanism can control the movement and fixed switching of base main part, and the operation is simple, and adjustable support leg can adapt to different ground conditions, and the horizontal placement of base main part is ensured, and the dampproof seal structure can effectively prevent the moisture and dust from entering, and the refrigerator bottom environment is protected.