42results about How to "Avoid logging" patented technology

The invention discloses a preparation method of novel smokeless mosquito-repellent incense, belonging to the technical field of preparation of the mosquito-repellent incense. The novel smokeless mosquito-repellent incense is prepared by the steps of preparing sludge carbon powder, preparing paste, molding the paste, drying the molded paste, spraying chemicals onto a dry mosquito-repellent incense blank, and the like. According to the preparation method, sludge carbon is taken as an incendiary agent, and an inorganic substance in the sludge carbon is taken as a flame retardant, so that not only is a new way provided for the resource utilization of the sludge carbon, but mass disafforestation caused by the mosquito-repellent incense industry is also avoided, and the preparation method of the novel smokeless mosquito-repellent incense is beneficial to environmental protection. The novel smokeless mosquito-repellent incense is non-toxic and harmless and can meet the requirement of environmental protection for the product; after the novel smokeless mosquito-repellent incense is burnt and absorbed by the human body, asthma, nerve poisoning and cancers are not caused; the novel smokeless mosquito-repellent incense has a smooth appearance, is free from fracture and mildew spots, and has the breaking-resistant strength of 425-456g and the ignition point time of 8.61-9.01h; in the burning process, smoke is not generated; the novel smokeless mosquito-repellent incense avoids a phenomenon of broken-end flameout when being burnt to an iron-tooth disk.

The invention discloses antibacterial packaging paper. A preparation process comprises: preparation of packaging paper, preparation of a waterproof agent coating, and preparation of an antibacterial agent coating. According to the antibacterial packaging paper disclosed by the invention, the processing raw materials are bamboos and waste timbers. As bamboo fiber is naturally antibacterial, timbers are replaced by bamboos, so that cutting of trees is avoided, the environment is protected, the ecological balance is maintained, waste is turned into wealth as waste timbers are used, and the cost is saved; the bamboo fiber and wood fiber are matched in use, so that the strength and flexibility of paper are remarkably improved and the packaging paper is wide in using range; the waterproof layer and the antibacterial layer are natural materials which do not harm human body and environment and play natural roles of preventing water and resisting bacteria; in a delignification process, the raw materials are pre-treated by using white rot fungi first, so that the time and dosage for delignification by hydrogen peroxide are reduced; hydrogen peroxide further can disinfect and bleach the packaging paper, is safe and non-toxic, and does not cause the environmental pollution, thereby killing two birds with one stone and saving the cost.

The invention discloses a method for preparing a stainless steel interleaving paper by a wastepaper. The method comprises the following steps of: based on 100% of stainless steel interleaving wastepaper as raw material, disintegrating by a coiling paper-breaking pond, and purifying in a screening way by a papermaking short-recycle system, so that the raw material can be used for the production of a paper machine. Dry strength resin, guar gum and fire retardant are added into sizing agent to replace the pulp sizing and surface sizing (coating). According to the preparation method disclosed by the invention, the environment protection is benefited, the energy can be saved, the process can be simplified, the production efficiency can be improved, and the production cost can be reduced.

The present invention relates to a modified wood and its production process. It is characterized by that said invention adopts a vacuum equipment, and makes a modification sol be filled into the honeycomb structure of unsawn timber base material, solidified and combined together with unsawn timber base material fibre so as to obtain the invented modified wood.

A corridor tree span design method of electric transmission line comprises steps as follows: cutting down 3-5 analysis trees in the wood in which a high voltage line is to be erected, after every tree is cut down, sectionally cutting out round discs according to length of 2 m, counting the annual rings of every round disc, measuring the diameter of every annual ring, drawing a stem analysis cross-section diagram, taking the Richards model as a prediction model, fitting by a correction index model at the same time, obtaining the theoretical values of the annual growth amount of the trees, predicting the future growth amount according to a regression curve, calculating the tree height prediction values and tree height growth limit values of different ages according to the future growth amount, carrying out optimized type selection design to overhead line structures according to estimated natural maximum growth height of the trees. The invention is advantaged by accurately predicting the height of the corridor trees, rationally designing the height of the overhead line structures, realizing erecting over the trees, finally ensuring safe operation of the power line, reducing construction cost, avoiding cutting the trees in large area and protecting the ecological environment and the forest cover.

The invention discloses a mosquito-repellent incense preparation method and belongs to the technical field of mosquito-repellent incense preparation. Mosquito-repellent incense is prepared according to the steps of preparing sludge carbon powder, preparing paste, molding the paste prior to drying, subjecting mosquito-repellent incense dry bodies to chemical spraying and the like. The mosquito-repellent incense preparation method has the advantages that sludge carbon serves as a combustion agent, inorganic substances in the sludge carbon serve as a fire retardant, and accordingly a novel approach is provided for resource utilization of the sludge carbon, a great quantity of deforestation in the mosquito-repellent incense industry is avoided, and environmental protection is benefited. The mosquito-repellent incense prepared by the preparation method has the advantages that the mosquito-repellent incense is poisonless and harmless, thereby being capable of meeting the requirements of environmental protection; after being combusted, the mosquito-repellent incense cannot cause asthma, neurotoxicity and cancers after being absorbed by human bodies; the mosquito-repellent incense is smooth in appearance and free of fracture and mildew spots, fracture resistance reaches 423-456g, combustion point time reaches 8.81-9.23 hours, a smoke-free combustion process is achieved, and 'end broken' extinction when the mosquito-repellent incense passes by an iron-tooth tray is avoided.

The invention relates to a positioning technology of a pile position in an overhead transmission line, in particular to an overhead transmission line positioning method based on double RTK unmanned aerial vehicles. The method is characterized in that the high-precision position and course angle of the double RTK unmanned aerial vehicles are adopted, and it is guaranteed that the positioning precision of the line pile position center meets the standard requirement; a double-head laser distance measuring device is adopted, the principle that laser projection points flying twice in the forward direction and the reverse direction of the same navigation channel are collinear with the horizontal position of the center of the unmanned aerial vehicles is utilized, the pile position center positionis rapidly determined on the ground, simpleness and rapidness are achieved, field operation is easy, and meanwhile the influence of unmanned aerial vehicle posture changes and distance measuring module installation position system deviation on the horizontal position of a positioning target point is avoided; and tree felling near the pile position can be remarkably reduced or avoided, the ecological environment is protected, the field operation time is remarkably saved, and manpower and material resources are saved.

A method for preventing and controlling the tiny ichneumon fly of erythrina tree includes removing the old bark from the root part on the trunk of erythrina tree, binding the hydroscopic material to the positions where the old bark has been removed, and injecting the agriculture chemical into said hydroscopic material.

The invention discloses high-temperature-resistant packaging paper. The preparing process includes the steps of preparing pulp, forming the packaging paper and coating the packaging paper. The high-temperature-resistant packaging paper is wide in application range, the outmost layer of the packaging paper is coated with a heat insulation agent, and therefore external heat entering a package is reduced; bamboo, wheat straw, rice straw and banana stems are added to avoid tree felling, protect the environment and maintain ecological balance; high-temperature-resistant fibers are added, so that the packaging paper does not deform in a high-temperature environment; as an environment-friendly fire retardant is added into the pulp, the flame-retardant property of the package is improved to protect a packaged object; in the delignification process, white rot fungi are used first for pretreating the raw materials, the time for delignification with hydrogen peroxide is shortened, the usage amount of the hydrogen peroxide for delignification is reduced, the hydrogen peroxide can disinfect and bleach the packaging paper, many things are achieved at one stroke, and cost is saved; the white rot fungi and the hydrogen peroxide are used for delignification, are safe, nontoxic, environmentally friendly and will not pollute the environment.

The invention discloses a preparation method of smokeless mosquito incense and belongs to the technical field of preparation of mosquito-repellent incense. The smokeless mosquito incense is prepared through the steps of preparing sludge carbon powder, preparing paste, molding the paste and drying, spraying chemicals on an incense blank and the like. The smokeless mosquito incense takes the sludge carbon as a combustion agent and inorganic matters in the sludge carbon as a fire retardant, so that a new way is provided for recycling utilization of the sludge carbon; meanwhile, a lot of forests are prevented from being cut down by a mosquito-repellent incense industry so that environment protection is easily realized; the smokeless mosquito incense disclosed by the invention is toxin-free and harmless and can meet the requirement on a product in the environment protection aspect; the smokeless mosquito incense does not cause asthma, neurotoxicity and cancers when the smokeless mosquito incense is absorbed by human bodies after combustion; the smokeless mosquito incense has a flat appearance and no cracks and mildew, the anti-fracture force reaches 431g to 463g, and the ignition time reaches 8.71 to 9.09h; no smoke is generated in a combustion process, and the smokeless mosquito incense is not broken and flamed out when passing through an iron-tooth disc.

The invention discloses novel mosquito-repellent incense and belongs to the technical field of preparation of the mosquito-repellent incense. The novel mosquito-repellent incense is prepared from the following raw materials in parts by weight: 120 to 200 parts of sludge carbon powder, 5 to 8 parts of anthracite coal, 20 to 32 parts of an adhesive, 4 to 6 parts of mica powder and 380 to 500 parts of water. According to the novel mosquito-repellent incense takes the sludge carbon as a combustion agent and inorganic matters in the sludge carbon as a fire retardant, so that a new way is provided for recycling utilization of the sludge carbon; meanwhile, a lot of forests are prevented from being cut down by a mosquito-repellent incense industry so that environment protection is facilitated; the novel mosquito-repellent incense disclosed by the invention is toxin-free and harmless and can meet the requirement on the product in the environment-friendly aspect; the novel mosquito-repellent incense does not cause asthma, neurotoxicity and cancers when the novel mosquito-repellent incense is absorbed by human bodies after combustion. The novel mosquito-repellent incense has a flat appearance and no cracks, the anti-fracture force reaches 426g to 459g and the ignition time reaches 8.85h to 9.24h; no smoke is generated in a combustion process and the novel mosquito-repellent incense is not broken and flamed out when passing through an iron-tooth disc.

The invention discloses an oil gas exploration method based on the hyperspectral and ultralow frequency electromagnetic exploration technology. The oil gas exploration method comprises the following steps of collecting existing geological data of an explored area, determining oil gas alteration index minerals of the explored area according to the collected data and the oil gas hydrocarbon leakage principle, obtaining and carrying out preprocessing on a hyperspectral remote sensing image of a vegetation-free area and a hyperspectral remote sensing image of a vegetation area of the explored area, extracting hyperspectral information of the oil gas alteration index minerals of the vegetation-free area and the vegetation area, obtaining the comprehensive distribution area of the oil gas alteration index minerals according to the extraction result, carrying out ultralow frequency electromagnetic exploration on a potential oil gas buried area, obtaining ultralow frequency exploration data, processing the obtained ultralow frequency exploration data, extracting and analyzing oil gas information, determining an oil gas exploration target area according to the oil gas information, the existing geological data and the earth surface oil gas alteration information, collecting the soil samples of the exploration target area outdoors, carrying out spectrum testing, acidolysis hydrocarbon testing and analysis, and mineral component analysis of the soil samples, and qualitatively obtaining the consistency of the actually measured soil mineral components in the researched area and the extraction result of the hyperspectral remote sensing information, thereby providing a powerful evidence for verifying the exploration target area.

The invention relates to a bicycle load carrying appliance formed by combining a soft bag and a paper carton for packing the bicycle, comprising the paper carton for packing the bicycle and the soft bag for coating the paper carton. The paper carton is a cubic structure for packing the bicycle when the bicycle is sold; when without needing to abandon the paper carton, the paper carton can be recycled to be the bicycle load carrying appliance for holding the bicycle. Thus, the invention effectively avoids the problem of falling trees, thereby reducing the production of large amount of plastic load carrying boxes and reaching truly environmental protection green design. When without using or needing to save the space, the paper carton is taken out from the soft bag so that the paper carton can be folded and pressed without occupying any space. The soft bag also can be rolled into a bundle, thereby efficiently saving occupied space and having convenient portability.

The invention discloses an electronic construction specification standard library application method. The SAAS deployment at the cloud+ side is adopted, the consulting, the collection and printed output can be performed at each of the APP side and the PC side, the Android side, the ios side and the Windows side are supported at the same time, the user demands at various application scenes and various levels can be satisfied, the convenience and fastness, accuracy and efficiency and application timeliness and like application target can be realized. The electronic construction specification standard library application method has subversive innovation on the application of the traditional specification standard reference book in the construction industry, the purchasing and the reference room space occupation are saved for the functional departments of the government, consulting organizations and enterprises, hundreds of millions of direct cost can be saved; the manufacturing, the printing, the storage, the transportation, the sales and like resources are saved for the social, and the method makes great contribution for the environment-friendly strategy of the nation.

The invention discloses a preparation method of novel mosquito-repellent incense and belongs to the technical field of preparation of mosquito-repellent incense. The novel mosquito-repellent incense is prepared in steps as follows: preparation of sludge carbon powder, preparation of paste, molding and drying of the paste, pesticide spraying to a dry mosquito-repellent incense body and the like. Sludge carbon is taken as a combustion agent, inorganic matters in the sludge carbon are taken as a flame retardant, a new approach is provided for resource utilization of the sludge carbon, additionally, massive disafforestation in the mosquito-repellent incense industry is avoided, and environmental protection is facilitated. The novel mosquito-repellent incense is non-toxic and harmless, can meet requirements for products in the aspect of environment protection and cannot cause asthma, nerve poisoning or cancer after being absorbed into a human body during burning. The novel mosquito-repellent incense is flat and smooth in appearance, does not break, does not have mildew and has the breaking-resistant strength of 426-459 g, the burning time can reach 8.85-9.24 h, no smoke is produced during burning, and the incense does not break or go out when passing an iron fluted disc.

The present invention discloses a phosphogypsum calcium sulfate paper preparation method, which is characterized in that the following raw materials such as 70-75 parts by mass of anhydrous phosphogypsum, 20-25 parts by mass of polyethylene and / or polypropylene, and 3-5 parts by mass of a cementing agent are used, and are subjected to mixing, banburying, casting and calendaring to prepare the phosphogypsum calcium sulfate paper. With the phosphogypsum calcium sulfate paper preparation method of the present invention, the scale production can be performed so as to achieve the batch treatment on the industrial by-production waste phosphogypsum; the tree hewing and the environment damage pollution caused by the ordinary paper making method can be avoided; and the method further has characteristics of simple process, low cost, and excellent paper quality.

The invention relates to the technical field of gastrodia elata planting, in particular to a stereoscopic cultivation method for gastrodia elata. A traditional fungus material is replaced in a bagging mode by replacing the material of fungus sticks, therefore, the phenomenon that a large quantity of woods are cut down in the gastrodia elata planting process is avoided, and ecological damage is avoided; in addition, armillaria mellea and particles are mixed and then bagged, therefore, the armillaria mellea makes contact with the fungus material ingredients more closely, and the fungus inoculation rate is increased; by combining particle material raw material selection and preparation, the gastrodia elata is cultured by the armillaria mellea, the growth quality of the armillaria mellea is high, and then the gastrodia elata planting cost is reduced.

The invention discloses a solid wood sense melamine board. According to the melamine board, a top board, a bottom board, a left edge sealing board, a right edge sealing board, a front end edge sealing board and a rear end edge sealing board are mainly and mutually spliced to form a rectangular board, wherein both the top board and the bottom board are provided with solid wood surface grain layers; the left edge sealing board and the right edge sealing board are provided with solid wood rift grain layers; the front end edge sealing board and the rear end edge sealing board are provided with solid end grain layers; and the grains of the solid wood surface grain layers, the solid wood rift grain layers and the solid end grain layers correspond mutually. The grains of four surfaces of the melamine board are coordinated and consistent and confirm to a grain structure of a real solid wood board so as to replace the real solid wood board, so that the production cost is not only reduced, but also a large quantity of trees are avoided being cut down so as to protect the environment.

The invention discloses a solid wood sense melamine board. According to the melamine board, a top board, a bottom board, a left edge sealing board, a right edge sealing board, a front end edge sealing board and a rear end edge sealing board are mainly and mutually spliced to form a rectangular board, wherein both the top board and the bottom board are provided with solid wood surface grain layers; the left edge sealing board and the right edge sealing board are provided with solid wood rift grain layers; the front end edge sealing board and the rear end edge sealing board are provided with solid end grain layers; and the grains of the solid wood surface grain layers, the solid wood rift grain layers and the solid end grain layers correspond mutually. The grains of four surfaces of the melamine board are coordinated and consistent and confirm to a grain structure of a real solid wood board so as to replace the real solid wood board, so that the production cost is not only reduced, but also a large quantity of trees are avoided being cut down so as to protect the environment.

The invention discloses a polymer composite paperboard and a preparation method thereof. The polymer composite paperboard is prepared from the following raw materials in parts by weight: 80-120 partsof low-density polyvinyl chloride, 30-50 parts of polypropylene, 120-160 parts of calcium carbonate, 10-20 parts of polyethylene wax, 15-25 parts of a borate coupling agent, 4-8 parts of ground calcium carbonate, 4-8 parts of light calcium carbonate and 10-18 parts of color master batch. Wood pulp is not needed, forest wood is prevented from being cut down, and the environment is prevented from being damaged. The polymer composite paperboard can be used for hand bags, gift bags and the like, can also be widely used for posters, year cards and the like, and has the characteristics of high strength, good tear resistance, good flame retardance, good acid and alkali resistance, good printability, writability, durability and the like. In addition, the polymer composite paperboard is good in calendering effect, stable and reliable, and is very convenient and reliable in installation and maintenance.

The invention discloses a preparation method of anti-static glassine release paper. The preparation method comprises the following steps that a high-molecular polymer, epoxy resin, modified epoxy acrylate and an inorganic powder material are added into a high-speed mixer; then the mixture is smelted at the temperature of 200-240 DEG C; a cross-linking agent, a lubricant and a stabilizer are addedand then mixed and stirred again, and the formed release paper is moved again to a coating machine; the surface of the release paper is coated with an anti-static agent, the release paper is taken out, cooled to normal temperature and cut into a needed pattern through a cutting machine, and the anti-static glassine release paper is obtained. The preparation technology meets the environment-friendly and energy-saving requirements; the anti-static agent is added so that the problem that the release paper suffers from static electricity can be effectively prevented, the use quality of the releasepaper is guaranteed, and the release paper has great development potential and market demands.

The invention relates to a free style overhead stereo building which comprises a free style spatial bracket and a house unit. The free style spatial bracket is built on a base, and the house unit is arranged in the relational space of the free style spatial bracket; the free style spatial bracket is provided with traffic facilities; the free style spatial bracket consists of a plurality of channels which are arranged in a three dimensional space, the channels consist of a plurality of sections which are connected in the three dimensional space in horizontal direction or non-horizontal direction relatively to a horizontal plane, the sections are of the shape of a straight line or a broken line or a curve, and the channels have the function of road passing and are supported on the base or other channels. The free style overhead stereo building can be suitable for myriads of changes on natural conditions in construction land, meet different needs of planning condition, give full play to the advantages of the overhead stereo building, build larger areas of buildings per unit building base area, improve the communication between buildings and nature, human and nature and human and human, and the building is environmental friendly.

The invention discloses an environment-friendly power transmission stand. The environment-friendly power transmission stand comprises a power transmission pole, the power transmission pole comprises an embedded pole and N connecting rods, the embedded pole and the connecting rods are in threaded connection, the connecting rods are provided with power transmission wire holes in the middle, and fasteners are arranged in the power transmission wire holes for fastening a power transmission barrel, the upper end face of the power transmission barrel is connected with a water collector pipe, both the power transmission barrel and the water collector pipe penetrate the power transmission holes and a through hole to be arranged on the power transmission pole, the lower end face of the water collector pipe is provided with a drainage hole at the preset position, the drainage hole is connected with one end of a drainage pipe, and the other end of the drainage pipe is connected with a water collection tank on the ground. The power transmission stand is reasonable in design and small in occupation space, well protects the power transmission line and is environment friendly.

The invention discloses veneer plywood capable of efficiently adsorbing formaldehyde and a preparation process of the veneer plywood, and relates to the field of plywood preparation. The veneer plywood is prepared from the following raw materials in parts by weight: 100-120 parts of waste moso bamboo; 180 to 200 parts of coconut shell and 180 to 200 parts of rice husk; 30 to 45 parts of mica powder; 30 to 60 parts of a water-based polymer isocyanate adhesive; 13 to 15 parts of polytetrafluoroethylene emulsion; 7 to 10 parts of a composite nano suspension; 20 to 25 parts of lignocellulose; 35 to 40 parts of environment-friendly water glue and 20 to 25 parts of melamine glue. On the one hand, formaldehyde can be effectively adsorbed, the average formaldehyde adsorption amount is 0.95 mg / m<2>, the average formaldehyde purification rate is 97.5%, a remarkable adsorption effect is achieved, the amount of harmful molecules in later gas is small, the desorption amount is only 2.37% of the formaldehyde purification amount even when the indoor formaldehyde reaches the peak value, and a very good formaldehyde stabilizing effect is achieved; the mica powder and the polytetrafluoroethylene emulsion are added, so the plywood has good mechanical property, weather resistance, oil resistance and stain resistance, and is easy to clean and good in sanitation property.

The invention discloses a preparation process of activated carbon. The preparation process of the activated carbon comprises the processes of raw material preparation, raw material drying, carbonization and front-end activation. According to the preparation process of the activated carbon, branch firewood, wood waste firewood, bamboo heads and the like are adopted as raw materials, cutting of tree vegetation is avoided, the ecological environment is protected, meanwhile, a retrograde method is adopted in the activation process, carbon monoxide and hydrogen generated by water gas reaction at the front end of an activation cylinder directly make contact with oxygen in air to be combusted, a large amount of heat is generated to be consumed by a carbonization cylinder and a boiler, the process cost is reduced, and meanwhile, the boiler also has surplus heat for sale, so that the income is increased, and the heat utilization effect is greatly improved.

The invention belongs to the technical field of amino film plastics and relates to a material special for wood-like amino film plastics, particularly and suitably applied to making wood-like products or dark-colored products. The wood-like amino film plastics are prepared from the following components in percentage by weight: 73-85 percent of amino resin, 0.2-1.0 percent of curing agent, 0.4-0.8 percent of lubricant, 0.1-0.3 percent of surfactant, 15-25 percent of crop fiber powder and / or wood powder and 0-2 percent of pigment. An original production process is not changed, originally added paper pulp is replaced with waste crop straw powder or wood powder in a kneading process and the fluidity of the amino film plastics and the time of the amino film plastics in a ball mill are controlled to obtain pigment grains in different grain sizes. When a product is formed, the proportion of the pigments is adjusted according to the wood grain requirements to obtain the needed wood grain effect.

The invention relates to a construction method for erecting a catenary power supply line based on an unmanned aerial vehicle technology, which comprises the following steps: S1, placing an unmanned aerial vehicle and a pay-off winching machine wound with a steel wire rope at the tail end of an anchor section needing pay-off, and arranging a winch at the initial end of the anchor section needing pay-off, setting a pulley at the position of a preset pillar on which the power supply line is to be erected by an operator; s2, the unmanned aerial vehicle drives the traction rope to sequentially pass through the pulleys and then wind the traction rope on a winch, and a worker places the traction rope on the pulleys; s3, the tail end of the traction rope is connected with the starting end of the steel wire rope, the winch drags the traction rope so as to drag out the steel wire rope on the paying-off winching machine, and a power supply line is connected with the steel wire rope; s4, the power supply line is spread through traction of the paying-off winching machine; and S5, sequentially carrying out anchor weighing, winching machine traction, power supply line sag measurement, anchor falling, wire fixing and adjustment. The overhead line system can meet the requirement for erecting a plurality of overhead line system power supply lines in mountainous areas, hilly areas and river crossing positions.

The invention discloses a preparation method of edible tea ink / cream, which comprises the following steps of: taking tea stalks, tea foam and tea residues which are remained in a tea making process, wherein the tea stalks account for 60 percent, and the tea residues and the tea foam account for 40 percent; uniformly mixing the tea stems, the tea foam and the tea residues, putting the mixture into a container, adding clear water, and performing high-pressure cooking for 1-2 hours, wherein the weight ratio of the mixed raw materials to the clear water is 1: 50; after the cooking is finished, standing and precipitating; and extracting juice without impurities at the upper part, further filtering, and adding special preparation glue, a natural preservative and a fixing agent material into the filtered juice to prepare tea ink or tea ink paste. The multifunctional painting and calligraphy tea ink (juice and paste) can be generally suitable for painting and writing, can be eaten (brewed) and can assist in conditioning acute skin wounds (or mosquito bites and sores), does not contain any chemical component, and belongs to daily civil stationery commodities.

The invention discloses a power transmission line pole. The power transmission line pole is characterized by comprising a pole body and a foundation; and the bottom end of the pole body is fixedly connected with the foundation, a plurality of cross arms are arranged on the pole body, and the pole body and the cross arms are filled with concrete. According to the power transmission line pole, concrete is poured into an original steel pipe, so that the strength of the pole body is increased, the diameter of the pole body and the foundation can be reduced, the occupied area is reduced, and design and construction are facilitated.

The invention belongs to the technical field of fruit tree plant disease and insect pest identification, and particularly relates to a method for identifying citrus tristeza virus in a field. The method for identifying citrus tristeza virus in the field comprises the following steps that 1, before a suspected tree suffering from citrus tristeza virus is felled or excavated, old and sick branches are gently pruned, annular ditching and fertilizer application are performed two times along a crown water drip line, burying and earthing are performed, orchard cleaning and fertilizer application are performed one time in winter, and fertilizer application is performed one time after second-time physiological fruit dropping; 2, the colors of tip leaves of three batches in spring, summer and winter are observed after fertilizer application; 3, when fruits are ripened at the end of the year, and shapes and colors of fruits are observed. The method for identifying citrus tristeza virus in advance during root fertilizer application is adopted for replacing an existing method for uniformly pruning all suspected trees suffering from citrus tristeza virus, and the method has the advantages of being safe, simple and low in cost.