45results about How to "Improve the ecological environment" patented technology

This invention relates to the field of plant genetic engineering technology, and more particularly to... SsNHX1 and SsSOS2 Dual-gene plant expression vector and its application in improving salt tolerance in alfalfa. The plant expression vector uses pCAMBIA1300 as its backbone and inserts genes derived from Suaeda salsa. SsNHX1 Genes and SsSOS2 It is constructed from genes. SsNHX1 Genes and SsSOS2 The CDS coding sequence of the gene is shown in SEQ ID NO:1 and SEQ ID NO:2 of the sequence listing. Using Agrobacterium tumefaciens EHA105-mediated transformation, the vector was introduced into the leaves of sterile alfalfa seedlings. Positive transgenic plants were obtained through co-culture, callus induction differentiation, and PCR identification. The advantage lies in the synergistic effect of the two genes, which effectively enhances the salt tolerance of alfalfa, enabling it to grow normally under 200–300 mM NaCl stress, providing a new solution for forage cultivation in saline soils.

The invention relates to the technical field of riparian zone ecological restoration, and discloses a riparian zone staged progressive ecological restoration method which comprises the following steps: dividing a dry area and a wet area according to a riparian zone shoreline, respectively laying a base layer protective layer and a double-layer base, laying an aquatic plant lawn and fixing the root after water flow erosion, deposition operation and standard judgment, and finally, carrying out ecological restoration. And finally, observing the rooting state and carrying out maintenance and complementary planting, and synchronously collecting data in each link and adjusting as required. Through staged refined operation, in combination with core links such as data acquisition, analysis and judgment, base laying optimization, deposition regulation and control and plant maintenance, orderly promotion of ecological restoration of the riparian zone is achieved, and pertinence and continuity of the restoration process are guaranteed.

This invention discloses a river water ecological restoration and purification device, belonging to the field of river water purification technology. It includes a base plate with an air cushion installed at its bottom. Above the base plate, from front to back, are sequentially arranged an ice-breaking and salvage conveying component, a collection and separation component, a water purification component, and an oxygenation component. The collection and separation component contains a vibrating filter component. A drive component is located between the ice-breaking and salvage conveying component and the collection and separation component. A propeller is fixedly installed at the rear of the base plate, and a power component for unmanned operation is installed on the top of the base plate. This invention, through its integrated ice-breaking and salvage conveying component, collection and separation component, vibrating filter component, water purification component, and oxygenation component, highly integrates multiple functional modules such as ice breaking, salvage, conveying, solid-liquid separation, water purification, and oxygenation, filling the gap left by the inability of most cleaning equipment to be used in winter and achieving uninterrupted river ecological restoration.

The utility model relates to the technical field of solid waste regeneration, in particular to an ecological grass planting paving structure based on solid waste regenerated soil, which comprises a bearing grating, the bearing grating comprises a supporting vertical plate, a top expansion block is fixed at the top of the supporting vertical plate, a bottom expansion block is fixed at the bottom of the supporting vertical plate, and the supporting vertical plate is enclosed to form a geometric ring wall. An arch-shaped hole is formed in the side wall of the supporting vertical plate and located in the lower portion of the supporting vertical plate, grid holes of the bearing grid are used for being filled with regenerated soil, a sand breaking layer is arranged below the bottom supporting block, and a gravel layer is arranged below the sand breaking layer. According to the paving structure, heavy objects such as vehicles can be borne and supported through the bearing grids, the gravity of the vehicles is dispersed to the lower portion, ecological grass planting can be conducted through regenerated soil between the bearing grids, nutrient substances in solid waste are fully utilized for plant growth, and then the ecological environment is improved.

The utility model relates to the field of ecological environment protection, and discloses a water conservancy riverway ecological environment restoration device which comprises a fixed supporting plate, an adjusting seat is slidably connected to the interior of the fixed supporting plate, a rotating rod is rotatably connected to the interior of the adjusting seat, and two transmission belts are arranged on the outer wall of the rotating rod. A filter screen is arranged between the two transmission belts, a fixing assembly is arranged at the bottom of an adjusting seat, a rotating shaft is fixedly connected to the top of the adjusting seat, a sliding groove is formed in a fixed supporting plate, and a push rod is slidably connected to the interior of the fixed supporting plate; the fixing assembly comprises a sliding rod and a clamping block, and one end of the sliding rod is fixedly connected to the bottom of the adjusting base. The river channel environment is effectively restored, the operation process is simple and easy to understand, the efficiency of river channel garbage cleaning work is greatly improved, and an efficient and practical solution is provided for improvement of the river channel ecological environment.

A combined type erosion gully slope protection structure belongs to the technical field of water and soil conservation engineering, aims to solve the problem that an existing erosion gully slope protection structure cannot give full play to soil fixation and water retention effects of plant root systems, and comprises an ecological layer, a supporting layer, a protective layer and a water interception groove. The ecological layer is laid on the slope surface of the slope body in the gradient extending direction of the slope body, the supporting layer is laid on the ecological layer, the ecological layer and the supporting layer are fixed to the slope body through a plurality of anchor rods, the protective layer is laid on the supporting layer and fixed to the supporting layer through a plurality of supporting plates, and the water intercepting groove is fixedly embedded in the top of the slope body. And the water intercepting groove is arranged close to the protective layer. The slope protection structure is mainly used for the erosion gully.

The invention discloses an urban water area sewage purification device, and belongs to the technical field of sewage treatment, the urban water area sewage purification device comprises a cylinder, the top of the cylinder is provided with an access cover, the side wall is connected with a water inlet pipe and a water outlet pipe, the water inlet is connected with a grating assembly, and the grating assembly is provided with a chemical agent supply mechanism; at least two submersible pumps are installed at the bottom in the barrel, the output ends of the submersible pumps are connected with pressure pipelines, and control valves and check valves are arranged on the pressure pipelines. An intelligent control cabinet is integrated on the top of the barrel and electrically connected with the liquid level sensor and the submersible pump. The grating assembly is arranged at the water inlet, large-particle impurities in sewage can be effectively intercepted, the impurities are prevented from entering the cylinder to block a pressure pipeline or abrade a submersible pump, the equipment fault occurrence rate is remarkably reduced, and the service life of the device is prolonged; meanwhile, the grid assembly and the chemical agent supply mechanism are arranged cooperatively, so that the agent can be fully mixed with the sewage subjected to preliminary filtration, the reaction efficiency of the agent is improved, and the subsequent purification effect is enhanced.

This utility model relates to the field of water conservancy engineering technology, and in particular to an algae collection device, comprising a first outer shell, a second outer shell fixedly connected to the top of the first outer shell, the first and second outer shells being interconnected, two collecting rollers movably installed inside the first outer shell, two drive shafts movably installed inside the first outer shell, and a cutting blade holder fixedly connected to the bottom of the drive shafts movably; a second drive shaft movably installed inside the second outer shell, multiple stirring blocks fixedly connected to the outer wall of the second drive shaft, an auger movably installed inside the second outer shell, and a drain pipe opened at the bottom of the second outer shell; a drive assembly is installed between the collecting rollers, drive shafts 1 and 2, and the auger. This utility model, through the drive assembly driving the collecting rollers, cutting blade holder, stirring blocks, and auger to work together, achieves the collection of algae with roots, chopping and processing, and separation of chopped algae from sediment, solving the problem of incomplete algae removal in existing algae collection devices, and contributing to the improvement of the river ecological environment.

The utility model provides an ecological side slope for collecting and purifying runoff sewage of a road section in a water environment sensitive area of a road, belongs to the technical field of roads, effectively treats runoff pollution of the road surface through physical, chemical and biological effects, and finally achieves the purpose of purification to enter a river channel or directly infiltrate into soil. Compared with a single artificial percolation system, the multi-stage series combination mode can bring better hydrological regulation and control, pollution adsorption and purification effects. The device does not need to occupy the ground space, is low in operation cost, can effectively remove runoff pollutants on the road surface, can improve the stability of the side slope, promotes the growth of vegetation, and improves the ecological environment.

The application discloses a preparation method of modified tailing-based artificial soil, which comprises the following steps: cleaning and soaking tailings with a weak alkali solution to obtain pretreated tailings; dehydrating sludge and grinding the sludge to a suitable particle size to obtain pretreated sludge; mixing the pretreated tailings and the pretreated sludge to obtain modified tailings; subjecting sawdust to biological drying and composting treatment by using specific microbial agents with high-temperature resistance and decomposition capacity under a specific period to obtain fermented sawdust; and mixing the modified tailings and the fermented sawdust at a certain ratio, adding a proper amount of water, placing the mixture in a natural environment, controlling temperature, humidity and light conditions, and performing a certain period of natural balancing process to obtain the tailing-based artificial soil. The artificial soil has good structural stability and can realize plant reclamation and ecological restoration of tailings.

This invention relates to the field of genetic breeding technology, and specifically discloses a type of Populus tomentosa. PdbRAP2 Genes and their applications, the aforementioned PdbRAP2 The CDS sequence of the gene is shown in SEQ ID NO.1, and the amino acid sequence it encodes is shown in SEQ ID NO.2. This invention utilizes genetic engineering to overexpress *Populus sanguisorbus*. PdbRAP2 Genes have improved the drought resistance of Populus tomentosa.

This invention provides a high-calorific-value biomass fuel made from agricultural waste and its preparation method, belonging to the field of biomass energy utilization technology. The biomass fuel comprises agricultural waste and cellulase or lignin; the amount of cellulase or lignin added is 0.5%-1.0% of the agricultural waste. The preparation method is as follows: the agricultural waste is dried and coarsely crushed, then sieved, magnetically separated, and air-separated before fine crushing to obtain powdered raw material; cellulase or lignin is added to the powdered raw material, mixed evenly, and then extruded to obtain the high-calorific-value biomass fuel. The preparation method of this invention employs a combination of two-stage crushing, multi-stage sieving, intelligent magnetic separation, and air separation, as well as multi-stage drying, intelligent moisture control, and dry-wet material ratio. The prepared biomass fuel has a stable calorific value and high energy density, significantly reduced pollutant emissions, strong agricultural waste digestibility, low raw material cost, and stable supply, thus promoting energy structure transformation.

The invention discloses a natural landscape revetment and a construction method thereof, and belongs to the technical field of landscape engineering, and the main body structure of the revetment sequentially comprises a rammed earth layer, a soil layer layered rolling layer and a sandy soil layer from bottom to top; 3-5 pieces of decoration scene stone are arranged in an upstream proper area every 12-15 m; a 2.5-3.5 m aquatic plant planting area is arranged in the midstream; the method comprises the following steps: arranging a wood pile at the downstream, arranging sandy soil, a wood bundle and the wood pile at the upstream area of the wood pile, adopting wickers of 1-5cm and 40-50cm in length as the wood bundle, nailing the wood pile into the soil by 1.5 m according to the distance of 1m, scion, and binding the wood bundle and the wood pile. According to the revetment, natural elements and ecological functions are combined, the construction method is simple and feasible, the stability of the revetment can be effectively enhanced, meanwhile, the attractive and natural landscape effect is created, and good ecological benefits and landscape value are achieved.

The application belongs to the technical field of vegetable planting, and discloses an ecological planting method for big green onions, which takes a polyglutamic acid-silicate mineral grid fertilizer as a core, combines a green auxiliary prevention and control reagent and scientific field management, and specifically comprises the steps of soil pretreatment, seedling transplanting, precise fertilization in stages, green disease prevention and control, and whole-process ecological field management. The application realizes the synergistic unity of soil improvement, green disease prevention and control and yield improvement for the big green onions in a heavy-rotation plot, significantly improves the physicochemical indexes such as soil pH and bulk density, greatly reduces the number of fusarium, controls the total disease incidence of the big green onions within 7.3%, increases the yield per mu to more than 4390 kg, and is green, environmentally friendly, sustainable, simple, scalable, and suitable for the ecological planting of the big green onions in the heavy-rotation plot for more than 3 years.

The invention belongs to the technical field of port engineering, and particularly relates to a wharf and water intake structure based on a semi-submerged caisson and a pile foundation and a construction method.The structure comprises the semi-submerged caisson, the wharf pile foundation, a wharf upper structure and a water intake head, the bottom of the wharf pile foundation is fixedly connected with the semi-submerged caisson, and the top of the wharf pile foundation is fixedly connected with the wharf upper structure; the semi-submerged caisson, the wharf pile foundation and the wharf superstructure form a whole; the semi-submerged caisson adopts an arrangement mode that water is discharged from a rear-row compartment and is submerged in a front-row compartment, and a water taking head is arranged in a water area of the front-row compartment of the caisson in an embedded mode. A large-range permeable structure is formed below the wharf surface, so that the effects of enlarging the water taking range and reducing the normal speed of water flow at the front edge of the wharf are achieved; the construction method of the structure is simple and convenient, the structure can be applied to a gravity type along-shore wharf needing to be provided with a water intake, efficient and intensive utilization of shoreline resources is achieved, and meanwhile the safety of berthing and unberthing operation of ships at the front edge of the wharf is improved.

The application discloses a compostable and degradable seedling paper base system and container and a preparation method thereof, and belongs to the technical fields of horticultural seedling containers, paper base forming and biodegradable barrier coating. The system integrates a paper fiber container, an anti-blocking drainage structure and a polyhydroxyaliphatic acid ester-based biodegradable barrier coating. In view of the industry pain point that traditional containers are difficult to maintain wet strength and degradation, the scheme designs a directional failure zone, which ensures excellent wet resistance and structural stability during seedling period, and significantly improves root penetration efficiency and compost disintegration speed after transplanting. Compared with conventional full coverage technology, the system effectively solves the problems of orifice plugging and water accumulation and mold growth, realizes precise timing control of functions from protection to degradation. The product does not contain fluorides, meets the strict ecological compliance requirements, and achieves excellent seedling quality and environmental safety with better material utilization.

The application discloses a groundwater recharge system based on bank slope step filtration, which comprises a water interception and distribution unit, a step filtration unit and an infiltration recharge unit. The water interception and distribution unit is composed of a rubber dam and a distribution pipe, the rubber dam can lift the upstream water level, and river water is introduced into the step filtration unit through the distribution pipe; the step filtration unit comprises two upper and lower filtration zones, both of which are double-layer filtration structures, and the bottom filtration layer is embedded with a perforated pipe; filtered water is discharged into the infiltration recharge unit through the perforated pipe in sequence, and the infiltration recharge unit comprises a shallow recharge layer and a deep recharge well. The raised river water is automatically overflowed to the backwater side embankment slope line filtration unit by the rubber dam, the water quality of the recharge source is improved, and the blockage phenomenon caused by recharge can be effectively prevented; the shallow recharge layer and the deep recharge well can be used to consider the recharge of shallow and deep groundwater, and the groundwater recharge efficiency is significantly improved.

This application relates to a river ecosystem management device, belonging to the technical field of river ecological restoration and environmental protection. It includes a float, with a deployment mechanism on the outside of the float, a moving mechanism on the top of the float, and a catching mechanism on the bottom outer side of the float. The deployment mechanism includes a storage tank, the outside of which is opened inside the float. An extraction tube is fixedly connected to the top inner side of the float, and a retrieval tube is slidably connected inside the extraction tube. A docking assembly is fixedly connected to the top outer side of the extraction tube, and a metering tube is fixedly connected to the top of the retrieval tube. This application features a vertically movable retrieval tube that, when sliding within the extraction tube, utilizes the principle of pressure difference to extract the treatment material from the storage tank. The material is extracted to the metering tube for volume control, thereby achieving the effect of stably spraying the treatment material into the river after quantitative control.

The application discloses a method for inhibiting the occurrence of tomato phytophthora root rot, and relates to the technical field of vegetable disease prevention and treatment, and comprises the following steps: step S1, drying Hericium erinaceus dregs; step S2, mixing the Hericium erinaceus dregs and dry cattle manure to obtain a mixture; step S3, applying the mixture to the farmland soil where tomato seedlings are to be transplanted, and ploughing and mixing uniformly; step S4, transplanting the tomato seedlings into the farmland soil; step S5, soaking the Hericium erinaceus dregs in water to obtain a dregs leaching liquor; and step S6, performing root irrigation with the dregs leaching liquor at multiple times two weeks after the tomato seedlings are transplanted to before flowering. The method uses the residual nutrients in the dregs to supplement the growth requirements of the tomato for various nutrients, improves the growth of the tomato, enhances the resistance of the tomato to pathogenic microorganisms, uses the residual fungi and secretions in the dregs to inhibit the growth of the phytophthora root rot pathogenic bacteria, performs root irrigation with the dregs leaching liquor, supplements the plant nutrition, and inhibits the activity of the pathogenic bacteria.

The invention provides an intelligent feedback type water-saving anti-erosion device and an implementation method thereof.The device is composed of a fish-scale pit, a flow guide channel, a temporary water storage pit, a rainwater collecting channel and a water storage pond and cooperates with drip irrigation equipment, a water pump, an intelligent controller and a solar energy supply system to work cooperatively. The fish-scale pit is of a layered structure and has the functions of vegetation habitat improvement and runoff regulation and control, and the flow guide channel and the temporary water storage pit are used for dispersing and collecting slope runoff and are matched with the water storage pool to achieve storage and recycling of rainwater. The rainfall, the soil humidity and the vegetation water demand are monitored in real time and dynamically regulated and controlled through the intelligent control system, water can be accurately supplemented through drip irrigation equipment by means of rainwater in the water storage pool in the dry season, and therefore the survival rate of drought-resistant vegetation is effectively increased. By means of the coupling design of engineering structure-ecological vegetation-intelligent control, dynamic balance of runoff interception, soil conservation, moisture regulation and control and vegetation bearing is achieved, and the system has the functions of water saving, erosion resistance and ecological restoration.

The embodiment of the invention provides a wheat and cotton double-harvest planting method based on two-season reuse of a drip irrigation belt and a mulching film. An irrigation and coverage system which can be continuously reused in wheat and cotton crops is constructed. According to the system, agricultural machinery is modified, 10 rows of wheat and 3 rows of cotton are planted on each 205cm mulching film, and 3 or 4 drip irrigation belts are laid under the mulching film; wheat row spacing is set to be different, cotton is planted at equal row spacing, and cotton semi-precision or precision seeding is carried out at a wheat reserved row spacing center line by using a seeding machine without parts such as a paving film and a paving belt; the whole growth period follows a water and fertilizer cooperation strategy of wheat management priority and cotton life-saving management; when wheat is harvested, a special harvester additionally provided with a protection plate is adopted. The mulching film and the drip irrigation belt can be used in two seasons at a time, the production cost is remarkably reduced, the environmental pollution is reduced, the contradiction of grain and cotton land contention is effectively solved through the precise agricultural machinery and agricultural technology fusion technology, and the cooperative high yield of grain and cotton is guaranteed.

This utility model discloses a soil and water conservation slope sand fixation device, including sand-fixing components. Each sand-fixing component includes flexible strips and connecting plates. The flexible strips are fixed between two connecting plates, and a sand-fixing net is fixed between the two flexible strips and the two connecting plates. Two adjacent connecting plates are fixed together by a fixing mechanism, which includes a connecting groove and an L-shaped plate. The connecting groove is formed on the surface of one set of connecting plates, and a vertical plate is welded to the top of this connecting plate. The L-shaped plate is welded to the outer wall of one side of the other connecting plate. This utility model allows the dimensions of the flexible strips and connecting plates to be flexibly adjusted according to the slope area, thereby adjusting the sand-fixing net area to meet the sand-fixing needs of slopes of different sizes. Adjacent sand-fixing components are engaged with the connecting groove by the L-shaped plate and then locked with nuts and bolts. Anchors are inserted into the soil by anchor rods and conical blocks, and the flexible strips and connecting plates are fixed together with limiting plates, limiting rings, and bolts, making operation more convenient.