295results about How to "Reduce evaporation" patented technology

The invention discloses a hilly slope irrigation control system based on artificial intelligence, and the system comprises a wind speed and wind direction detection module which is used for obtaining wind speed and wind direction data; the sprinkler head adjusting module is used for adjusting the angle and the spraying distance of a sprinkler head based on the wind speed and wind direction data; the soil humidity detection module is used for being connected with a soil humidity sensor and determining irrigation requirements according to data of the soil humidity sensor; the artificial intelligence control module is used for optimizing the irrigation time and the irrigation amount through an artificial intelligence algorithm; the sprinkling irrigation system control module is used for controlling the sprinkling irrigation system to irrigate according to the optimization result; the hilly slope irrigation control system based on artificial intelligence reduces the phenomenon of non-uniform growth of crops, facilitates healthy and uniform growth of the crops, and ensures that the crops can obtain a proper amount of water supply, so that normal growth and development of the crops are promoted, the yield and quality of the crops are improved, and the agricultural production benefits are further improved.

The invention discloses a water-retaining controlled-release fertilizer and a preparation method thereof, and relates to the technical field of controlled-release fertilizers. According to the invention, the attapulgite is modified by a phosphoric acid solution, so that the surface of the attapulgite has acidic groups, and the groups can be adsorbed with positive ions in the fertilizer, so that nutrients are adsorbed and fixed on the surface of the attapulgite, and the speed of releasing the fertilizer nutrients into a soil solution is delayed; meanwhile, the modified attapulgite and some nutritional ingredients in the fertilizer can form indissolvable compounds, so that the nutrients are slowly released along with gradual dissolution of the compounds, and the fertilizer efficiency of the fertilizer is prolonged; when the modified attapulgite encounters water, the entering speed of water can be effectively slowed down, dissolution of nutrients in fertilizer particles is controlled, and then the slow and controlled release effect is achieved; and the modified attapulgite can regulate the pH value of the soil, so that the soil environment is more suitable for plant growth and slow release of fertilizer nutrients.

The invention relates to the technical field of photovoltaic sand control, and provides a comprehensive photovoltaic sand stabilization device and a sand stabilization method.The comprehensive photovoltaic sand stabilization device comprises two fixing bases, a protective net is installed between the two fixing bases, first threaded rods are installed on the inner sides of the fixing bases, and second motors are connected to the tail ends of the first threaded rods; a second threaded rod is installed on the outer side of the fixing base, and the tail end of the second threaded rod is connected with a first motor. The photovoltaic power generation mechanism is installed close to the water accumulation net, the photovoltaic panel can be overturned in the morning and evening, the front face of the overturned photovoltaic panel makes contact with the water accumulation net obliquely downwards, water molecules in air are condensed and attached to the photovoltaic panel and the water accumulation net through the water accumulation net at night, and the photovoltaic face of the photovoltaic panel is cleaned; dust raised by wind and sand in the daytime is prevented from influencing the generating capacity of the photovoltaic panel, meanwhile, water condensed by the photovoltaic power generation mechanism and the water accumulation net supplements water for growth of vegetation on the ground surface, and restoration of the vegetation in the desert area is facilitated.

The invention provides an annual intercropping green manure planting method suitable for orchards in plateau areas. According to the method, tartary buckwheat and vicia villosa are mainly adopted as green manure plants, and a plurality of key steps of land parcel selection, soil preparation before sowing, variety selection, seed treatment, green manure sowing, plant management, cutting and covering and the like are clearly stipulated. The method can improve the utilization rate of nutrients in the soil, increase the content of organic matters in the soil, improve the soil quality, effectively inhibit growth of weeds between rows and on ridges of the organic apple orchard, reduce the weeding cost, and solve the problem of high labor cost caused by long-term ploughing and weeding of the organic apple orchard in the plateau mountain area of Yunnan province. Excessive dependence on organic fertilizer is effectively relieved, and the method is an annual intercropping mode for comprehensively improving ecological benefits and economic benefits of the orchard.

The invention belongs to the technical field of civil engineering materials, and provides an early-strength high-fluidity geopolymer grouting material and a preparation method thereof. The method comprises the following steps: firstly, carrying out heat treatment and chemical regulation on fly ash and granulated blast furnace slag to generate a pre-reaction phase with high reaction activity, and improving the alkali excitation reaction efficiency; then, by preparing a lubricating particle dispersion liquid and utilizing the synergistic effect of a silane coupling agent and interface lubricating particles, the uniform dispersity of the particles is enhanced; by adding the ionic liquid and the functionalized acylamino polymer, the dissolution and activation of the aluminosilicate are accelerated by utilizing the high polarity, the ion shielding effect and the dissolution enhancing performance of the ionic liquid; meanwhile, the amido polymer inhibits particle aggregation and stabilizes the particle dispersion state through the adsorption effect, the amido polymer and the amido polymer cooperate to form a lubricating layer in the slurry, reduce the viscosity of the slurry and improve the fluidity, and the early strength of the material is further improved by accelerating the generation of a gel phase.

The invention relates to the technical field of concrete preparation, in particular to moisturizing anti-cracking high-ductility concrete and a preparation method thereof. The moisturizing anti-cracking high-ductility concrete is prepared from the following components: 350 to 450 parts of ordinary Portland cement, 200 to 300 parts of fly ash, 30 to 50 parts of silica fume, 250 to 350 parts of quartz sand, 0.5 to 1 part of a water reducing agent, 10 to 20 parts of an expanding agent, 0.1 to 0.3 part of a retarder, 0.5 to 1 part of a thixotropic lubricant, 0.2 to 0.7 part of a modified nano material, 0.7 to 3 parts of a modified composite curing agent, 5 to 10 parts of an anti-cracking agent, 5 to 12 parts of polymer fiber and 180 to 220 parts of water. The high-moisture-retention high-water-retention concrete has the characteristics of high moisture retention and high water retention, is beneficial to maintaining the internal humidity balance, reducing cracks generated by drying shrinkage, improving the durability of the concrete, and remarkably reducing the cracking risk of the concrete in the hardening process, so that the concrete structure is more complete, the safety of the structure is improved, and the service life of the structure is prolonged.

The invention provides a comprehensive desertification prevention and control system for an arid region, and relates to the technical field of environmental governance, the comprehensive desertification prevention and control system comprises a sand blocking unit, a straw grid unit, a vegetation unit and a biological crust layer unit, and the sand blocking unit is arranged on the same side of the vegetation unit, the straw grid unit and the biological crust layer unit and located in the windward direction; the straw grid units are arranged around the vegetation units, the biological crust layer units are arranged in an area defined by the straw grid units and cover the earth surface, and the biological crust layer units are arranged around the vegetation units. The desertification prevention and control effect is improved by selecting shrub types with high hydraulic safety and low growth rate and combining physical and biological skinning technologies.

The invention belongs to the technical field of water-absorbing material preparation, and provides a crop straw-based degradable water-absorbing resin as well as a preparation method and application thereof. The method comprises the following steps: pretreating crop straws by using an alkaline solution to obtain straw cellulose; the preparation method comprises the following steps: mixing straw cellulose, a first ethanol solution and a first alkali liquor for a first reaction, then adding a second ethanol solution and chloroacetic acid for a second reaction, and then adding a second alkali liquor for a third reaction to obtain straw cellulose sodium carboxymethyl; and mixing the straw cellulose sodium carboxymethyl, acrylic acid, an initiator, a cross-linking agent and water, and reacting to obtain the crop straw-based degradable water-absorbent resin. According to the method disclosed by the invention, a reaction inert structure in the straw cellulose can be removed, a crystalline region of the cellulose is destroyed, a homogeneous reaction preparation system is constructed, the grafting efficiency of the water-absorbent resin is improved, complete degradation of the water-absorbent resin is realized, and the production cost of the water-absorbent resin is also reduced.

The invention relates to the technical field of saline-alkali soil improvement, and discloses a saline-alkali soil improvement system and method for combined control of agriculture, forestry, animal husbandry, planting, breeding and breeding, and the saline-alkali soil improvement system for combined control of agriculture, forestry, animal husbandry, planting and breeding comprises a first planting area; a drip irrigation assembly; a water seepage assembly; the drainage channel is arranged below the surface of the saline-alkali soil corresponding to the first planting area; and a first flow guide member. According to the method, salt-tolerant plants are planted in the saline-alkali soil, so that the infiltration capacity of water in the soil can be improved, and absorption and leaching of salt in the soil are promoted; the drip irrigation assembly is adopted to irrigate the salt-tolerant plants, and water molecule movement can bring salt in soil to the deep position of the soil, so that the salt return phenomenon caused by the capillary action of water molecules is avoided; by arranging the water seepage assembly, the movement speed and the conveying effect of saline-alkali water in soil conveyed to the drainage channel can be increased, and infiltration and collection of the saline-alkali water are accelerated; by arranging the drainage channel, saline-alkaline water in the soil can be absorbed and discharged.

The invention relates to the field of saline-alkali land management, and specifically discloses an irrigation device for saline-alkali land management, comprising: a main water pipe mechanism, comprising a main water pipe assembly, and a branch pipe arranged on the main water pipe assembly; a water supply pipe mechanism, comprising a water supply pipe assembly interconnected with the branch pipe, and an extension pipe assembly installed on the water supply pipe assembly; the water supply pipe assembly comprises a connecting hose, one end of which is fixedly connected with an external joint; the invention can adapt to the irrigation needs of saline-alkali land of different sizes and shapes through the flexible connection of multiple sections of main water pipe assemblies, and ensure that water is stably and efficiently transported to each irrigation point; the arrangement of the water supply pipe assembly and the extension pipe assembly is not only convenient for installation and position adjustment, but also can effectively surround saplings to achieve precise irrigation; the arrangement of the positioning rod enables the irrigation device to be firmly inserted into the soil to avoid displacement or separation during the irrigation process.

A greenhouse environment control and field management integrated system comprises an irrigation system, an aerial fog system, a conveying pipeline and a sensing control system. According to the utility model, various agricultural production management such as irrigation, pesticide application, ventilation, heating, dehumidification, cooling and the like can be carried out according to the growth requirements of crops, a frame is provided for hanging vine crops such as tomatoes, cucumbers and the like for supporting, and meanwhile, wind power can be provided for solanaceous crops for pollination. The system is high in integration level and rich in function, the greenhouse space can be effectively saved, the crop production efficiency is improved, the labor amount in the production process is reduced, and help is provided for intelligent management and control of facility agriculture.

The utility model discloses a breathing machine humidifying tank and a breathing machine system, and relates to the field of medical instruments. The breathing machine humidifying tank comprises a tank body, a guide sleeve, a telescopic water bag and an operating rod. The tank main body is provided with a highest water line; the telescopic water bag is located in the tank body and horizontally arranged, the top of the telescopic water bag is higher than the highest water line, the telescopic water bag comprises a telescopic sleeve and a hard end plate, one end of the telescopic sleeve is connected with the tank body, the hard end plate is connected with the other end of the telescopic sleeve, and a water suction and drainage hole is formed in the hard end plate and lower than the highest water line. The guide sleeve and the telescopic water bag are arranged in the same direction, and the guide sleeve is connected with the tank body and corresponds to the telescopic water bag in position. And the operating rod penetrates through the guide sleeve, is matched with the guide sleeve and is sealed with the guide sleeve, and the operating rod is connected with the hard end plate. The breathing machine humidifying tank is installed on the breathing machine main machine, and a temperature and humidity sensor and a push-pull structure are arranged in a matched mode to obtain the breathing machine system. According to the utility model, the temperature and humidity of the humidified air at the patient end can be optimal.

The invention relates to a slow-release composite nanofiber mask with one-way moisturizing and oxidation resistance and a preparation method thereof.The one-way moisturizing nanofiber mask base cloth with asymmetric wettability is obtained through the preparation method, a hydrophilic layer adsorbs a nutrient solution and is dissolved when meeting water, a hydrophobic layer is kept dry, and the effect of delaying liquid volatilization is achieved; the effective time of the mask is prolonged. In addition, the nanofiber mask base cloth obtained through electrostatic spinning has good air permeability.

The invention discloses a green three-dimensional planting system for promoting agricultural economic development in an arid region. The green three-dimensional planting system comprises a climate adaptation module; the weather prediction module is responsible for providing weather change prediction; the crop selection and crop rotation module is responsible for selecting suitable drought-enduring crops and implementing scientific crop rotation; the three-dimensional planting structure module is responsible for designing a reasonable three-dimensional planting framework according to the selected drought-enduring crops; the soil improvement module is responsible for adding an organic fertilizer and a modifier and improving the soil moisture retention capability; according to the invention, through weather prediction information provided by the climate adaptation module, the system can predictively adjust an irrigation strategy, and insufficient or excessive irrigation caused by sudden weather change is avoided. The intelligent irrigation module is combined with a neural network algorithm, the irrigation amount and time are accurately calculated and automatically adjusted according to the real-time meteorological data, the drought-enduring crop characteristics, the three-dimensional planting architecture and the soil improvement condition, accurate control over irrigation is achieved, and the utilization efficiency of water resources is remarkably improved.

The invention discloses a ternary sand-fixing water-retaining seepage-proofing fertility-increasing vegetation restoration and reconstruction method, and relates to the technical field of operation methods of sand ecological restoration, and the method comprises the following steps: S1, laying a layer of seepage-proofing material on the surface layer of a target planting area to reduce water seepage and enhance soil water-retaining capacity; s2, mixing a water-retaining agent with local sandy soil to form a water storage layer, and paving the water storage layer on the surface of the impermeable material to ensure that the plant root system can obtain water for a long time; s3, applying an organic fertility intensifier to the water storage layer to improve the organic matter content and nutrient supply capacity of the soil; s4, appropriate plants are selected for planting, after planting, the vegetation growth condition and the soil humidity are checked regularly, a water-retaining agent and an organic fertility increasing agent are supplemented in time according to needs, and it is ensured that the vegetation can grow healthily. The planting method provided by the invention has a remarkable yield increasing effect, the survival rate of plants can be effectively improved, and the effect of fixing sand for a long time is achieved.

The invention discloses a water-retention and soil-moisture-conservation biodegradable agricultural film with a self-water-absorption structure and a preparation method of the water-retention and soil-moisture-conservation biodegradable agricultural film, and belongs to the technical field of degradable agricultural films. The agricultural film is formed by co-extruding an outer hydrophobic layer, a middle mechanical supporting layer and an inner hydrophilic layer, the outer hydrophobic layer is composed of a hydrophobic layer master batch and polyester in a mass ratio of (5-9): (1-5), and the hydrophobic layer master batch is prepared by blending and granulating polylactic acid, hydrophobic layered nanosheets and auxiliaries; the middle mechanical supporting layer is composed of a mechanical supporting layer master batch and polyester in a mass ratio of (5-9): (1-5), and the mechanical supporting layer master batch is prepared by blending and granulating polylactic acid, a bio-based filler and an auxiliary agent; the inner hydrophilic layer is composed of a hydrophilic layer master batch and polyester in a mass ratio of (5-9): (1-5), and the hydrophilic layer master batch is prepared by blending and granulating polylactic acid, super-hydrophilic nanoparticles and an auxiliary agent; the prepared agricultural film has water retention, hydrophobic and hydrophilic functions at the same time, has excellent mechanical strength and toughness, and can meet use requirements.

The invention provides salt-spray-resistant steel, a preparation method and application of the salt-spray-resistant steel. The salt-spray-resistant steel sequentially comprises an alloy matrix, a permeable layer and an anti-corrosion coating from inside to outside. The alloy matrix comprises an Fe element; the permeable layer comprises Fe, N and O elements; the anticorrosive coating covers at least the surface of the permeable layer. The steel has the characteristics of high strength and salt spray resistance, the binding force of the coating and a matrix is good, the thickness of the anti-corrosion coating is greatly reduced under the condition that the anti-corrosion requirement of the CX grade is met, the machinable performance of a workpiece is effectively improved, and the adverse effects that the workpiece meshing force is poor, and the surface is not uniform due to the thick coating are avoided.

The invention relates to the field of photomultiplier tube processing, and discloses an antimony bead evaporation source quantitative founding device and method, the antimony bead evaporation source quantitative founding device comprises a founding tool and a vacuum system connected with a bell jar above the device, the founding tool is provided with a groove for accommodating antimony powder, and quantitative founding of antimony beads of different specifications is realized by controlling the volume of the antimony powder groove; the melting tool is used for heating antimony powder through a heating part at the bottom of the melting tool; the exterior of the melting tool is evenly wound with a nickel wire, and the invention further discloses an antimony bead evaporation source quantitative melting method which comprises the following steps that S1, the nickel wire is wound and fixed, specifically, the purified nickel wire is evenly wound on the melting tool, and the nickel wire is fixed to the middle position of an antimony powder groove through a wire groove. The antimony powder is degassed and purified in a high-vacuum state, the antimony beads are molten in a high-purity argon atmosphere, the purity of an antimony bead evaporation source is guaranteed, in addition, the antimony powder quantitative loading tool is adopted, and the antimony beads are produced in batches with high specification consistency.

The invention provides a micro liquid flow dynamic weighing device. The micro liquid flow dynamic weighing device comprises a flow source, a liquid inlet pipe, a weighing container and a weighing module, the flow source outputs a liquid medium to the weighing container through the liquid inlet pipe; the weighing container is arranged on the weighing module; the device is characterized in that the weighing container is of an inner-outer double-cylinder structure, the liquid inlet pipe end is arranged in an inner cylinder, and the inner cylinder is filled with liquid in advance and is in a full cylinder state; after weighing is started, the flow source outputs a liquid medium to the inner cylinder through the liquid inlet pipe, and preset liquid in the inner cylinder overflows to the outer cylinder; and the weighing module reads the weight of the entering liquid. In the measuring process, the height of the liquid level contacted with the liquid inlet pipe is not changed, so that the influence of buoyancy correction, pressure fluctuation, surface tension change and the like caused by the change of the height of the liquid level is reduced, and the dynamic weighing accuracy is improved.

The invention discloses a tea garden planting irrigation system which comprises a main water pipe, an irrigation branch pipe which extends downwards and is communicated with the main water pipe is arranged at the bottom of the main water pipe, and irrigation holes are formed in the peripheral wall of the irrigation branch pipe; the rotary sleeve is rotationally arranged on the periphery of the irrigation branch pipe in a sleeving mode, a center hole of the rotary sleeve is attached to the peripheral wall of the irrigation branch pipe, and a water outlet arc-shaped strip opening is formed in the position, corresponding to the height of the irrigation hole, of the rotary sleeve; the outer insertion pipe sleeves the periphery of the rotary sleeve and is provided with water outlets corresponding to the irrigation holes, the upper end of the outer insertion pipe is fixedly connected with the main water pipe, and the lower end of the outer insertion pipe is inserted into a soil layer; the rotating sleeve can rotate so that the irrigation hole can be communicated with the water outlet or the irrigation hole and the water outlet can be separated by the peripheral wall of the rotating sleeve. According to the tea garden planting irrigation system, the accuracy and uniformity of irrigation are improved, water resources are saved, the adaptability and flexibility of the system are enhanced, and an efficient and environment-friendly irrigation solution is provided for tea garden planting.

The invention relates to the technical field of planting equipment, and discloses a traditional Chinese medicinal material planting field ridging device which comprises a traction frame used for being connected with a traction carrier, a supporting frame is fixedly connected to the bottom of the traction frame, a separation mechanism is arranged in the supporting frame, and a conveying belt is arranged behind a bucket, so that the traditional Chinese medicinal material planting field ridging device is formed. According to the ridging machine, shoveled soil can be conveyed, the soil is screened through the part composed of the round bars in the middle of the conveying belt, loose soil can fall back to the ground again from gaps of the round bars, and some large sundries such as stones in the soil can be continuously conveyed along with the conveying belt so as to avoid the situation that during ridging, the soil cannot fall off easily. In the prior art, soil in a place with stones is difficult to be uniformly compacted, and the conditions of looseness and large compactness difference occur, so that the growth of root systems of crops is influenced, the root systems are non-uniformly grown in the soil with different compactness, and the absorption of the root systems to water and nutrients is influenced.

The invention provides a special fertilizer for highland barley in Tibet high-altitude areas, which specifically comprises a matrix, a base fertilizer, an organic fertilizer, a trace element fertilizer, a modifier and a nutritional agent in a mass ratio of 100: 50: 100: 1: 15: 3, the substrate comprises loam, river sand and bentonite; the base fertilizer comprises nitrogenous fertilizer, phosphatic fertilizer and potash fertilizer; the organic fertilizer comprises bran, decomposed straw, decomposed excrement, plant ash and aquatic animal powder; the modifier comprises wormcast, silkworm excrement, perlite and vermiculite; the nutritional agent comprises compound vitamins, glucose, honey and compound amino acids; the raw materials used in the method are green, safe and pollution-free, the soil structure is improved while nutrient substances needed by highland barley growth are provided, the bran, the straw, the decomposed excrement and other agricultural wastes are used, cost is saved, efficiency is improved, and the utilization rate of resources is increased.

The invention provides a micro-fluidic detection card capable of storage and sequential acquisition, which is sequentially laminated from bottom to top: a substrate layer, a sensing layer and a micro-fluidic chip layer, and the sensing layer comprises a sensing unit; a plurality of detection cavities are formed between the sensing layer and the micro-fluidic chip layer; the sensing unit is integrated in each detection cavity and is also suitable for being connected with a detection serial port; the micro-fluidic chip layer is connected with a central liquid storage cavity, and is also provided with an inlet and an outlet which are communicated with the central liquid storage cavity, and a micro-channel which is sequentially communicated with the inlet, the central liquid storage cavity and the outlet, and the micro-channel sequentially forms a positive guide Tesla valve and a negative guide Tesla valve in the flow direction from the inlet to the outlet; according to the invention, a plurality of detection cavities are designed on the improved Tesla valve structure, micro-liquids refluxed at different times can be separated by using the flow blocking characteristic of the reverse guide Tesla valve, and micro-liquid data at different times can be detected and contrastively analyzed, so that the micro-liquid detection device is suitable for micro-liquid detection.

The utility model relates to the technical field of turf laying, in particular to a turf laying device for landscaping, which comprises a sweeping board, and the edge of one side of the sweeping board is fixedly connected with an inclined guide flat pipe. The turf paving device has the advantages that the turf is guided to be paved in front of the ground through the guide flat pipes, water can be sprayed to the roots of the turf through the spraying pipes, so that the roots of the turf can be quickly supplemented with water, meanwhile, the ground can be wetted by the falling water, the water can be directly poured to the joint surface of the turf and soil, the joint effect of the joint surface is improved, and the service life of the turf is prolonged. Meanwhile, the irrigation efficiency is improved, water directly reaches the root system, water evaporation is reduced, and the cleaning roller rotating at a high speed drives the loosening teeth to smash the soil surface, so that the hardened soil surface is loosened, the laid turf can take roots conveniently, and the survival rate of the turf is increased; meanwhile, impurities such as large stones in the soil can be swept away through the dense dry loosening teeth, and the laying effect is improved.

The invention discloses an electric power infrastructure project-based concrete monitoring and curing device, which comprises a positioning frame fixedly placed at the periphery of a concrete infrastructure, the upper surface of one end of the positioning frame is fixedly connected with a rectangular frame, and the inner wall of the rectangular frame is movably connected with a threaded sleeve which performs lifting reciprocating motion; one side of the threaded sleeve is fixedly connected with a moving frame wrapping the periphery of the concrete infrastructure, the inner wall of the moving frame is fixedly connected with an annular pipe, and the inner wall of the annular pipe penetrates through and is fixedly connected with a plurality of atomizing nozzles for spraying a water source to the surface of the concrete infrastructure; rectangular plates are fixedly connected to the symmetrical positions of the two sides of the positioning frame correspondingly, the rectangular frame is provided with an adjusting mechanism for driving the movable frame to do lifting reciprocating motion, and the rectangular plates are provided with auxiliary mechanisms for covering the concrete infrastructure. And the curing effect on the concrete infrastructure is improved.

The invention provides an artificial algae crust-based desertification land restoration method, which comprises the following steps: screening algae species, carrying out artificial culture and resistance exercise on the screened species to obtain enough available biomass, treating the obtained biomass, adding auxiliary materials to prepare an artificial algae crust inoculum, and carrying out artificial algae crust-based desertification land restoration on the artificial algae crust inoculum. And inoculating the inoculum to a to-be-repaired area, and maintaining until algae crust is formed. According to the method, the artificial algae crust with similar species structure, function and physical characteristics as the algae crust naturally formed in the field is rapidly formed through human intervention, and can automatically grow and develop after colonization, so that the restoration treatment of the desertification land is realized; the method effectively solves the problems of microbial death of the inoculum caused by too strong stress generated by a field environment, low colonization success rate caused by instability of an inoculation area, and difficult growth and expansion of the inoculum caused by rapid dehydration of the inoculum due to poor water retention capacity of the desertification land, and is an environment-friendly, sustainable and efficient novel desertification organism treatment method.

The invention relates to the technical field of engine fuel oil, in particular to a novel fuel oil evaporation system which comprises an engine, an air inlet channel, a fuel oil tank and a carbon tank, a fuel oil pump and a dumping valve are arranged on the fuel oil tank, an adsorption opening and a desorption opening are formed in the carbon tank, the fuel oil pump is connected with the air inlet channel, and the dumping valve is connected with the adsorption opening. A one-way valve is arranged between the air inlet channel and the carbon tank, an inlet of the one-way valve is connected with the adsorption port, and an outlet of the one-way valve is connected with the air inlet channel; a two-way valve is arranged between the fuel tank and the carbon tank, an inlet of the two-way valve is connected with the dumping valve, and an outlet of the two-way valve is connected with the adsorption opening. The gasoline engine has the advantages that waste and pollution caused by direct emission of fuel steam into air are reduced, cost is reduced, the structure is simplified, and the gasoline engine is suitable for a general gasoline generator set.

The invention relates to a super absorbent resin water-retaining agent and a preparation method thereof and a plant straw-based dust suppressant, the super absorbent resin water-retaining agent is prepared by the following steps: preparing carboxymethyl straw cellulose powder by using plant straw as a raw material, and then preparing the super absorbent resin water-retaining agent by using the carboxymethyl straw cellulose powder as a raw material through an aqueous solution polymerization method; the dust suppressant provided by the invention has the beneficial effects that after the dust suppressant provided by the invention is sprayed on the surface of dust, the dust can be agglomerated together, the evaporation of moisture in raised dust is reduced, and the raised dust is effectively inhibited; and the dust suppressant does not contain substances harmful or irritant to human bodies, all components in a formula system of the dust suppressant can be mutually fused at normal temperature, and the dust suppressant is suitable for being sprayed for dust suppression and is easy to transport and store.

The utility model provides a fresh-keeping device for agricultural product distribution, and relates to the technical field of fresh keeping. Comprising a fresh-keeping cabinet and a refrigerating machine installed in the fresh-keeping cabinet, a spraying assembly is arranged in the fresh-keeping cabinet and comprises a water conveying pipe main pipe, the water conveying pipe main pipe fixedly communicates with a water conveying pipe branch pipe, the water conveying pipe main pipe and the water conveying pipe branch pipe fixedly communicate with spray heads, and the water conveying pipe main pipe is provided with a small water suction pump; by arranging the spraying assembly and the refrigerating machine, the optimal temperature and humidity required by different distributed agricultural products are different, after humidity adjustment is started, when the humidity in the fresh-keeping cabinet is lower than a set range, a small water suction pump is automatically started, water stored in a water storage tank is pumped out, and the fresh-keeping cabinet is used for fresh-keeping of agricultural products. The agricultural products are stored in the storage frame and sprayed on the distributed agricultural products placed in the storage frame through the spray heads, moisture evaporation of the agricultural products in the transportation process can be reduced by keeping appropriate humidity, the freshness degree is kept, reproduction of microorganisms can be effectively inhibited through the low-temperature environment, and the fresh-keeping period of the agricultural products is prolonged.

The invention provides an underwater non-dispersible grouting material as well as a preparation method and application thereof, and relates to the technical field of constructional engineering. Specifically, the red mud concrete comprises the following components in parts by mass: 150-250 parts of red mud, 10-80 parts of Portland cement, 1-8 parts of an alkali activator, 3.5-10 parts of an anti-dispersing agent, 0.5-8 parts of a water reducing agent and a certain amount of water, wherein the alkali activator comprises biomass ash, tungstate, silicate, silica fume, arginine and inorganic alkali, and the anti-dispersing agent preferably comprises sodium alginate modified polyvinyl alcohol, a cellulose compound, stone powder and maltodextrin. The grouting material is obtained by recycling the red mud as a basic raw material, and has the advantages of excellent flowing state, excellent setting time, excellent compressive strength, better underwater dispersion resistance, better construction fluidity and better durability; the preparation process is simple, the performance is excellent, the environment-friendly effect is realized, and the application prospect is good.