132results about How to "Reduce the risk of poisoning" patented technology

The invention relates to the preparation of an inorganic functional material, in particular to a photochemical catalyst prepared by taking a porous mineral as a carrier for carrying an n-typed semiconductor with a large energy gap and a method thereof. The natural porous mineral and an artificial porous mineral are used for preparing the carrier to carry the n-typed semiconductor and a compound semiconductor with photochemical catalysis function; the catalyst prepared is applied to the degradation of organic pollutants by photochemical catalysis or to serving as the filling of paints which can reproduce after being poisoned. The carrier prepared by the invention has large specific surface area, strong adsorption capacity, good adhesive force and low environment cost, can remarkably improve the efficiency of the photochemical catalyst and lower the poisoning risk of the catalyst; the sol of the semiconductor or the compound semiconductor has a photoresponse range covering visible light area and ultraviolet light area, thus being capable of effectively utilizing the light energy and being beneficial to reduce the cost of the light sources; the sol-gel dipping method is adopted to realize loading, which has the advantages of mild condition, even distribution, simple technique and convenience for mass production.

The invention discloses a water catalyst sterilizing and detoxifying device and a producing and using method thereof. The device comprises a water catalyst generator and a DC (direct current) power supply, wherein the water catalyst generator comprises an anode electrode and a cathode electrode which are both titanium electrodes; and the anode electrode is coated with a composite material coating. The producing method comprises the following steps of: (I) making electrodes; and (II) making the composite material coating: preparing composite material coating liquid, and brushing, drying and sintering the coating liquid in multiple times. The using method comprises the following steps of: a, placing the cleaned article and the water catalyst generator in the cleaning water; b, connecting the water catalyst generator with the DC power supply; and c, purifying the cleaned article with the water catalyst generator and the cleaning water. According to the invention, the design is reasonable, the producing and using processes are simple, and the purifying effect is good; and moreover, the problems of poor using effect, possible new pollution, easy damage to the nutrient components of thecleaned food and the like of the existing sterilizing and pesticide residue removing methods can be solved.

The invention relates to a weak alkaline solid water soluble fertilizer for improving acid soil and a preparation method thereof. The weak alkaline solid water soluble fertilizer is prepared from the following raw materials according to mass percent: 5 to 15% of mineral resource fulvic acid, 5 to 20% of biochemical fulvic acid, 2 to 6% of compound amino acid, 5 to 15% of sodium metasilicate, 40 to 60% of nitrogen containing alkaline fertilizer, 8 to 10% of monopotassium phosphate, 0.05 to 0.1% of zinc, 0.01 to 0.03% of copper, 0.05 to 0.1% of boron, 0.005 to 0.03% of molybdenum and 0.1 to 1.0% of fungicides. The invention further provides a preparation method of the solid water soluble fertilizer. The fertilizer integrally shows alkalinity or physiological alkalinity, iron and manganese elements which are toxic to crops in an acid soil environment are avoided during trace elements selection, various nutrients such as organic matter, inorganic salt, beneficial bacteria and the like are supplied, and additionally, alkaline factors are released, so that the fertilizer is suitable for facility vegetable soil with severe acidification.

The invention discloses a nutrient sustained-release acid soil conditioner. The nutrient sustained-release acid soil conditioner is prepared from the following substances in parts by weight: 20 to 30 parts of phosphate tailings, 28 to 31 parts of dolomite, 18 to 25 parts of quick lime, 15 to 20 parts of phosphatic fertilizer, 4 to 6 parts of bentonite and 0 to 10 parts of potassium humate. The nutrient sustained-release acid soil conditioner is suitable for acid soil areas in the south, which are large in rainfall amount and large in leaching amount, and supplements part of nutrients. Meanwhile, the aluminum toxicity risk can be reduced, and nutrient elements such as calcium, magnesium and the like are provided.

The invention relates to a greenhouse water-fertilizer-gas integrated intelligent irrigation and waste liquid recovery system. The system comprises a control unit, and a water supply unit, a water-fertilizer coupling unit and an irrigation unit connected sequentially through a pipeline; a disinfection and air-entrapping unit is further installed between the water-fertilizer coupling unit and the irrigation unit, the outlet end of the irrigation unit is connected with the inlet end of a waste liquid backflow treatment unit, and the inlet end of the irrigation unit is connected with the outlet end of the waste liquid backflow treatment unit through the pipeline; the disinfection and air-entrapping unit comprises a magnetizing device, an air-entrapping and disinfection device and a gas-liquidmixing pump; the air-entrapping and disinfection device comprises an air purifier and a gas pump connected with the inlet end of the air purifier; a control system comprises a controller and a human-machine interaction interface. Compared with the prior art, disinfection treatment is conducted before air-entrapping treatment, which promotes the respiratory efficiency of plant roots and reduces the risk of plant root poisoning, and by recycling waste liquid, environmental pollution and resource waste are reduced.

The invention discloses a gas-inflating-and-locking-integrated gas blaster. The gas-inflating-and-locking-integrated gas blaster comprises an inner tube, an inner-tube filling cavity, an ignition mechanism, an inner-tube gas inflating mechanism and an outer tube. The inner-tube filling cavity is formed in the inner tube, a first sealing inner cover and a second sealing inner cover are connected to the two ends of the inner tube in a sealed mode respectively, the outer tube is arranged on the outer layer of the inner tube, a first sealing outer cover and a second sealing outer cover are connected between the inner tube and the outer tube in a sealed mode, the ignition mechanism and the inner-tube gas inflating mechanism are installed on the first sealing inner cover or the second sealing inner cover, and an outer-tube gas inflating mechanism is installed on the first sealing outer cover or the second sealing outer cover; a sealed cavity between the inner tube and the outer tube is an outer-tube filling cavity, the inner-tube filling cavity is filled with supercritical oxygen and carbonaceous organic materials, and the outer-tube filling cavity is filled with liquid easy-to-gasify materials such as liquid carbon dioxide or liquid nitrogen. The gas-inflating-and-locking-integrated gas blaster has the advantages that the manufacturing cost is low, the mixing uniformity of reaction materials is high, the heat releasing efficiency is high, the transportation safety is good, and the blasting power is large.

The invention discloses a composite heavy metal passivator containing secondary reduction iron powder and a use method of the passivator. The passivator is formed by evenly mixing sulfur, the secondary reduction iron powder and calcium hydroxide according to the weight ratio of 1:15:50; during soil preparation before sowing or seedling transplant, the composite heavy metal passivator and base fertilizer are evenly applied to soil of a tillage layer in a vegetable field polluted by heavy metal, and the application amount is 132 kg per mu. The composite heavy metal passivator is added on the basis of conventional applied fertilizer, so the content of available heavy metal in soil of the field can be obviously reduced, the amount of soil heavy metal absorbed by vegetable crops is reduced, the heavy metal pollution degree of vegetable products is reduced, and the risk of heavy metal toxin caused to human bodies due to vegetable eating is reduced.

The invention relates to the technical field of organosilicone adhesives, and in particular, relates to a heat-resistant single-component addition type organosilicone adhesive and a preparation methodthereof. The heat-resistant single-component addition type organosilicone adhesive comprises the following preparation raw materials: vinyl silicone oil, silicone resin, hydrogen-containing siliconeoil, a heat-resistant additive, a filler, white carbon black, a catalyst, an inhibitor and a tackifier. The prepared heat-resistant single-component addition type organosilicone adhesive is moderate in viscosity, good in construction operability, high in tensile strength and excellent in adhesive property, can achieve the effects of adhesive layer damage, long storage time and good 300-DEG C hot air aging performance, and has wide application value and market prospect.

The invention discloses a method large-scale breeding non-toxic myzus persicae. A tobacco material resistant to TMV (Tobacco Mosaic Virus) and PVY (Potato Virus Y) is used as a breeding host of aphids. After seedling growing or potting or transplanting, the aphids are artificially bred in a net house or a greenhouse, and a double-resistant strain with a high aphid breeding efficiency is selected to be used for breeding non-toxic aphids. The method adopts the tobacco material resistant to the TMV and the PVY to breed the aphids and can effectively reduce the potential risk of the aphids carrying virus diseases under the condition that the current aphid parasitoid breeding process and the cost are not increased. The method has the characteristics of simplicity, convenience and easiness in operation, economy, reliability and the like and can promote popularization and application of aphid parasitoid control crop aphids.

The invention discloses a method for simultaneously detecting zearalenone (ZEN) and fumonisin B1 (FB1), and also discloses an aptamer sensor for simultaneously detecting the zearalenone and the fumonisin. The aptamer sensor is prepared by the following method: (1) covering a glassy carbon electrode with reducing molybdenum disulfide and a gold nanoparticle composite (rMoS2-Au) nanomaterial, and drying; (2) subsequently dripping a mixed solution of a zearalenone nucleic acid aptamer (AP1) and a fumonisin B1 nucleic acid aptamer (AP2) onto the electrode, incubating for 1-10h at 1-10 mu mol / L, v / v, 1 / 1, and blocking the same with 1 mg / mL QBSA; and (3) finally, dripping a mixed solution of a self-developed ZEN nucleic acid aptamer partial complementary sequence (CP1-Au-Thi) solution of 5'-endmodified gold nanoparticles and thionine and a FB1 nucleic acid aptamer partial complementary sequence (CP2-Au-FC6S) solution of 5'-end modified gold nanoparticles and ferrocenyl hexanethiol, and incubating for 1-10h at 1-10 mu mol / L, v / v, 1 / 1 to obtain the required aptamer sensor. The method provided by the invention is suitable for the rapid and simultaneous detection of QEN and FB1 in agricultural products such as corn and feed, thereby effectively preventing the agricultural products with over-standard QEN and FB1 from flowing into the market, and the diet safety of people is guaranteed asa result.

The invention relates to an interactive reservation system, comprising a server terminal, a reservation terminal and a unique dining card hold by each consumer. The server terminal records consumer information, and issues kinds of diets of each meal in 1-10 days; a core reservation module of the sever terminal is used for receiving the reservation information of each meal uploaded by the consumer through the reservation terminal, comparing the nutritional intake standard of each meal with the nutrient content of each meal calculated by the core reservation module, listing the amount of each nutritional ingredient, giving warning marks when ingredients are excessive or insufficient compared with recommended nutritional ingredients, and meanwhile sending information to the reservation terminal; and the reservation terminal is used for running statistics on the final reservation information of all consumers of a unit for tomorrow between 4 and 6 in the afternoon of a former day, and on the quantity of raw materials required to be bought according to the reservation information.

The invention relates to an interactive dish-ordering system based on a network, and the system comprises a server, a dish-ordering terminal, and dinning cards which are held by consumers and matched with one corresponding consumer in a unique manner. The dish-ordering terminal is connected with the server through the Internet for data communication. The server records the information of the consumers, and publishes the types of dishes of each meal of the following one to ten days. A core dish-ordering module of the server is used for receiving the dish-ordering information, which is uploaded to the server through the dish-ordering terminal, of the consumer for each meal, carries out the comparison of the intake nutrition standard of each meal with the nutrition content, calculated by the core dish-ordering module, of the consumer at each meal for analysis, lists the total amount of each nutritional ingredient, gives a warning mark if the total amount of one nutritional ingredient exceeds or is lower than the recommended amount of the nutritional ingredient, and sends the warning mark to the dish-ordering terminal. A dish-ordering statistics module carries out the statistics of the final dish-ordering information of all consumers in a unit for tomorrow in a period from 16 o'clock to 18 o'clock of a dinning day, and counts the number of raw materials to be bought according to the dish-ordering information.

The invention discloses a silicon-aluminum intermediate alloy AlSi50 and a preparation method thereof. The silicon-aluminum intermediate alloy AlSi50 comprises the following components in percentage by mass: 48-52% of aluminum elements and 48-52% of silicon elements; used raw materials are aluminum ingots with the aluminum content more than 99.70% and silicon with the silicon content more than 99.98%; the mass ratio of the aluminum ingots to the silicon is 100: 92.31-108.33; and the aluminum ingots and the silicon are molten, reacted, sampled, analyzed and cast to obtain the silicon-aluminum intermediate alloy AlSi50. The silicon-aluminum intermediate alloy AlSi50 reduces the open fire risk and the harmful gas poisoning risk, prevents the workshop gas and harmful particle pollution, is free of environmental pollution, shortens the production period, guarantees the alloy component consistency, and improves the quality of the silicon-aluminum intermediate alloy AlSi50; the silicon content of the cast silicon-aluminum intermediate alloy AlSi50 reaches 48-52%, and is two times of the silicon content in a national standard traditional process; and the silicon-aluminum intermediate alloy AlSi50 is complete in performance and excellent in toughness.

The invention discloses a spaying method for the disease and pest control of the stem base of rice and wheat crops and the spraying device of the spaying method. The method is characterized in that, a plurality of nozzles are arranged among the rows of crops or the ridges and are opposite to the stem base of the plants; spraying is carried out at both sides of the crops along the rows of crops or the ridges; the spraying device comprises a medical box equipped with a pump, a hose connected with the medical box, a handle connected with the hose and equipped with a switch and a rigid pipe connected with the handle; the nozzles are arranged at the end terminals of the rigid pipe; the rigid pipe is shaped like a fork by a main pipe and two pipe branches; the end terminals of the pipe branches are connected with a pair of nozzles by a tee. The spaying method for the disease and pest control of the stem base of rice and wheat crops and the spraying device of the spaying method have the advantages that, the control has a clear goal and the effect is intensified; pesticide stain area of the crops is reduced; pesticide is saved, and pesticide pollution is lowered.

The invention discloses a method for predicting hydrogen sulfide output in a drainage pipeline. The method comprises the following steps: carrying out intensive sampling characteristic analysis on sewage in the drainage pipeline and simultaneously obtaining pipeline parameters of the drainage pipeline; (S2) building a water quality module, a dynamic biological membrane module and a liquid-gas diffusion module on the basis of ASM3 model; (S3) obtaining simulating parameters, input by a user, of a production mode and an initial value of a biological membrane; (S4) running a prediction model to obtain stable biological membrane parameters; (S5) calculating to obtain the concentration of sulfide and a hydrogen sulfide gas in effluent from the tail end of the drainage pipeline after each period of time; (S6) calibrating the prediction model; and (S7) carrying out real-time prediction on the output of hydrogen sulfide in the drainage pipeline by the calibrated prediction model. According to the method, biological dynamic change in the drainage pipeline can be simulated; the output of the hydrogen sulfide can be accurately predicted and obtained; and the method can be widely applied to the field of production prediction of pollution gas.

The invention belongs to the technical field of flue gas treatment and environmental protection for cement kilns, and particularly relates to a dust SCR denitration device and technology for a cementkiln. The dust SCR denitration device comprises a rotary kiln, a kiln tail residual gas treatment system and a kiln head residual gas treatment system; the kiln tail residual gas treatment system comprises a five-stage cyclone preheater, an SP furnace, a dust remover, an SCR reactor, a high-temperature blower, a humidifying tower / waste heat boiler, a kiln tail bag dust removing unit, a kiln tail exhaust blower and a kiln tail chimney; the five-stage cyclone preheater is connected to the kiln tail of the rotary kiln; the cyclone dust remover is arranged in front of the SCR reactor for flue gasdust removal, the content of flue gas dust at the SCR reaction is lowered, the number of pores of a honeycomb catalyst can be increased, and the overall height of the catalyst and the reactor can be effectively lowered on the condition that the cubic number and the number of layers of the catalyst are not changed; the pressure loss of the whole reactor is lowered, power of the blower at the rear end can be reduced, and energy consumption is lowered.

The present invention discloses one kind of coal-burning energy releasing powder and its preparation process. The coal-burning energy releasing powder consists of saltpeter 0.5-1.5 weight portions, ferric dicyclopentadiene or allyl cyanurate 1-2 weight portions, potassium permanganate or potassium bromide 0.3-0.7 weight portions, sodium nitrate or calcium nitrate 0.3-0.7 weight portions, potassium permanganate or potassium persulfate 1.5 -2.5 weight portions, strontium nitrate or sodium bichromate 0.5-1.5 weight portions, calcium fluoride 1.5-2.5 weight portions, coal slag or char slag 1.5-2.5 weight portions, loess or lime 1.5-2.5 weight portions, potassium chlorate or potassium persulfate 0.5-1.5 weight portions, potassium nitrate 0.5-1.5 weight portions, and sodium chloride 80-90 weight portions. It can promote combustion of coal to convert the latent energy of coal into heat completely.

The invention discloses a preparation method of a 3D printing wire material of a solid electrolyte. The preparation method is characterized by comprising the following step that S1, precursor materials of the 3D printing wire material comprises the following components of trifluoromethyl sulfonyl imide lithium, polyethylene oxide with the molecular weight of 300 thousand and polyvinylidene fluoride-hexafluoropropylene copolymers, the three kinds of components are all powder materials, and the mass ratio of the three kinds of components is selected to be 5:13-16:3-6. According to the preparation method, an existing solid electrolyte artificial chemistry method is replaced, the preparation efficiency and the process stability are greatly improved, meanwhile, the chemical reagent poisoning risk in the preparation process is reduced, and an engineering foundation is laid for large-scale popularization and application of all-solid-state batteries.

The invention discloses an inflation and ignition integrated gas blaster. The inflation and ignition integrated gas blaster comprises an inner pipe, an inner pipe filling cavity, an inflation and ignition mechanism, an inflation mechanism and an outer pipe, wherein the inner pipe filling cavity is formed in the inner pipe; the two ends of the inner pipe are in sealed connection with a first inner sealing cap and a second inner sealing cap correspondingly; the first inner sealing cap and the second inner sealing cap are connected through a connecting piece; the outer pipe is arranged outside the inner pipe; a first outer sealing cap and a second outer sealing cap are connected between the inner pipe and the outer pipe in a sealed mode; the inflation and ignition mechanism is installed on the first inner sealing cap; the first outer sealing cap is provided with the inflation mechanism; a sealed cavity between the inner pipe and the outer pipe is an outer pipe filling cavity; the inner pipe filling cavity is filled with supercritical oxygen and carbon-containing organic matter; and the outer pipe filling cavity is filled with liquid carbon dioxide, liquid nitrogen or other liquid substances liable to gasify. The inflation and ignition integrated gas blaster has the advantages of being low in manufacturing cost, high in heating efficiency, good in transportation safety and high in blasting power.

The invention provides an ammonia fuel transporting and filling ship which comprises a ship body, a plurality of independent cabins fixed to the ship body, liquid cargo collecting pipes and filling collecting pipes connected to the independent cabins, and leakage treatment devices installed beside the liquid cargo collecting pipes and the filling collecting pipes on the independent cabins. Each leakage treatment device comprises a gas detection station installed beside the liquid cargo collecting pipe and the filling collecting pipe and a washing tower installed on the ship body, and the washing range of the washing tower covers the liquid cargo collecting pipes and the filling collecting pipes. The multiple independent cabins are arranged and used for storing and transporting ammonia fuel, and the liquid cargo collecting pipes and the filling collecting pipes are arranged on the independent cabins, so that storage of the ammonia fuel and filling of a gas ship are facilitated; and the leakage treatment devices are arranged, so that the leaked ammonia fuel can be quickly treated through the leakage treatment devices after the ammonia fuel is leaked, and the risk of personnel poisoning caused by the leakage of the ammonia fuel is reduced.

The invention discloses a plug-in type gas blaster. The plug-in type gas blaster comprises an inner tube, an inner tube filling cavity, an ignition mechanism, an inner tube gas inflation mechanism and an outer tube. The inner tube is internally provided with the inner tube filling cavity. A first sealed inner cover and a second sealed inner cover are connected to the two ends of the inner tube in a sealed manner correspondingly. The outer tube is arranged on the outer layer of the inner tube. A first sealed outer cover and a second sealed outer cover are connected between the inner tube and the outer tube in a sealed manner. The ignition mechanism and the inner tube gas inflation mechanism are mounted on the first sealed inner cover or the second sealed inner cover. The first sealed outer cover or the second sealed outer cover is provided with an outer tube gas inflation mechanism. A seal cavity formed between the inner tube and the outer tube is an outer tube filling cavity. The inner tube filling cavity is filled with supercritical oxygen and carbon-containing organic matter. The outer tube filling cavity is filled with liquid matter easy to gasify such as liquid carbon dioxide or liquid nitrogen. The plug-in type gas blaster has the beneficial effects of being low in manufacturing cost, high in reaction material mixing uniformity, high in heating efficiency, good in transportation safety and high in blasting power.

The invention relates to an ultra low volume sulfoxime concentrate. The ultra low volume sulfoxime concentrate is prepared from sulfoxime, an emulsifying agent, a wetting agent, an anti-drifting agent, an evaporation inhibitor and the balance of a solvent. According to the ultra low volume sulfoxime concentrate, all auxiliary agents are organically combined, and a preparation has excellent performance; especially, the compound solvent is selected, so that the volatilization rate is greatly reduced under the condition that excellent dissolubility and low-temperature stability are ensured, and aliquid drop shrinking phenomenon in a liquid drop falling process is effectively reduced.

The invention provides a cloud application delivery device, which comprises a management console, cloud application delivery equipment and a user client, wherein the management console is used for deploying the cloud application delivery equipment into a local area network, setting a fixed IP (internal protocol), logging the administer entry of the cloud application delivery device, and executing the management on addition and deletion of users, installing and downloading of an application program, addition of a static application program, publishing of the application program as a cloud application, deletion of publishing of the application program as the cloud application, authorization of the cloud application for the user client, and recovery of the cloud application from the user client; the cloud application delivery equipment is used for receiving the management operations, and publishing the installed application program as the cloud application; the user client is used for inquiring the authorized cloud application from the cloud application delivery equipment, and directly running the application. The cloud application delivery device solves the problems of program management, virus infection, data confusion, storage space, platform compatibility and version maintenance.

The invention designs an intelligence-benefiting calcium for children, which is characterized in that: the intelligence-benefiting calcium is prepared by extracting concentrated solution from sharpleaf galangal fruit, rhizoma drynariae, dried longan pulp, heterophylly falsestarwort root, coix seed, mung bean, malt, common lophatherum herb and mushroom, etc. and mixing the concentrated solution and calcium carbonate to make tablet; the intelligence-benefiting calcium can not only improve the appetite and promote the all-round development of the intelligence of the children, but can also strengthen the calcium supplement and absorption.

The invention discloses an inflation and ignition integrated air blaster. The inflation and ignition integrated air blaster comprises an inner tube, an inner tube filling cavity, an inner tube inflation and ignition head, an outer tube inflation head and an outer tube, wherein the inner tube filling cavity is formed in the inner tube; the two ends of the inner tube are connected with a first sealing inner cover and a second sealing inner cover in a sealing manner correspondingly; the outer tube serves as the outer layer of the inner tube; a first sealing outer cover and a second sealing outer cover are connected between the inner tube and the outer tube in a sealing manner; the inner tube inflation and ignition head is mounted on the first sealing inner cover or the second sealing inner cover; an outer tube inflation mechanism is mounted on the first sealing outer cover or the second sealing outer cover; the sealing cavity between the inner tube and the outer tube is an outer tube filling cavity; the inner tube filling cavity is filled with supercritical oxygen and carbon-containing organic matter; and the outer tube filling cavity is filled with liquid easy-to-gasify matter such as liquid carbon dioxide and liquid nitrogen. The inflation and ignition integrated air blaster has the advantages of low manufacturing cost, high reaction material mixing uniformity, high heat release efficiency, good transport security and high blasting power.

The invention provides a metal-based carbon fiber loaded catalyst carrier for a fuel cell and a preparation method. Active carbon fiber is dipped in a copper source and palladium source solution, anddried after ultrasonic concussion is conducted for 24 hours, after that, active carbon fiber is subjected to heat preservation in a reducing atmosphere for 3-4 hours, the heat preservation temperatureis 100-120 DEG C, and metal-based active carbon fiber compositely loading copper / palladium is obtained. The metal-based carbon fiber prepared by the invention serves as a catalyst carrier and can preferentially adsorb microscale gases such as carbon monoxide, nitric oxide and sulfur dioxide which have a great influence on the catalyst, the activity of a Pt catalyst is improved, the capability ofadsorbing gases such as CO and NO is high, the risk of Pt catalyst poisoning can be reduced, the problems that most of traditional catalyst carriers adopt active carbon, the adsorption capability is limited, and the adsorption problem of CO is difficult to solve are effectively solved, and in addition, the catalyst carrier has the characteristics of being low in weight, easy to form and good in toughness.

The invention discloses an adsorptive regeneration device with solid-liquid phase change matters and an adsorptive regeneration process. The device comprises an oil gas inlet, a first adsorption tank, a first heat exchange tube, a vacuum pump, a first oil inlet valve, a first vacuum valve, a first oil outlet valve and a clean gas discharge port, wherein the first heat exchange tube is arranged in the first adsorption tank and the inner portion of the first heat exchange tube is of a hollow structure and is filled with solid-liquid phase change energy storage matters; the oil gas inlet is successively connected to the first oil gas inlet valve, the first adsorption tank, the first oil gas outlet valve and a clean gas discharge port; and one end of the first vacuum valve is connected between the first oil gas inlet valve and the first adsorption tank while the other end is connected to the vacuum pump. The volume of a coil required is reduced in the adsorptive regeneration device with solid-liquid phase change matters, so that the field equipment is less, and the input cost is saved; and mechanical equipment such as a circulating pump and a switch valve is not used, so that the device is more stable to operate.

The invention provides a method for killing Laodelphax striatellus by utilizing pest taxis to a plant. The method comprises the following steps: in the seedling stage, through adopting a mode of interval planting in fields and rice seedlings or a mode of planting around the periphery of the rice seedlings, planting white top Poa pratensis so as to induce Laodelphax striatellus to gather on the white top Poa pratensis and realize the centralized killing of Laodelphax striatellus gathering on the white top Poa pratensis. In the overwintering period of white top Poa pratensis in winter and in the over-summering period of white top Poa pratensis in summer, when the total population density of white top Poa pratensis is low, the method can be used for greatly trapping the white top Poa pratensis, thereby reducing the population base number of the white top Poa pratensis in the field; and the method is used for ridges or field borders at the periphery of rice and corn seedbeds, thus a large amount of white top Poa pratensis can be trapped, and the diseases of rice and corn viral and the damage to the rice and corn viral can be prevented and relieved. The method has good total trapping effect, is convenient for operation and saves cost, is an effective method for ecological treatment of rice diseases, and has significance for continuously controlling the generation of rice and corn viral diseases, ensuring the security of food production and product quality and protecting ecological environment.

The invention relates to the field of agricultural machinery, in particular to a remotely controlled four-drive unmanned pesticide spraying vehicle. In a current technological environment, pest control is essential to ensure the productivity and efficiency of agricultural production, and a pesticide technology is still a mainstream technology and a commonly adopted means. According to an existingmechanical spraying technology, the two modes of pesticide spraying vehicles and drones are mainly adopted. In order to overcome defects of the prior art, the remotely controlled four-drive unmanned pesticide spraying vehicle is provided and controlled by a remote control handle to increase the productivity, and the technical problems above are solved.