43results about How to "Speed up absorption" patented technology

The invention discloses a radiating bracket for placing cylindrical batteries in a cylindrical battery pack. The shapes of the cylindrical batteries are cylindrical; the outer layer of each cylindrical battery is coated with an insulating film; a positive tab and a negative tab are respectively formed at the two tail ends of each cylindrical battery; through holes are formed in the radiating bracket; the extending direction of the through holes is consistent with that of the cylindrical batteries; positioning parts which are used for holding the cylindrical batteries are formed on the periphery of each through hole. According to the radiating bracket disclosed by the invention, good radiating environment is provided for the cylindrical batteries; the heat generated when the cylindrical batteries are charged or discharged can be absorbed quickly by the radiating bracket; the accumulation of the heat on the surfaces of the cylindrical batteries is prevented; meanwhile, a fixing action is also added to the cylindrical batteries; the radiating bracket can be matched according to a single cylindrical battery or a plurality of the cylindrical batteries; different lengths and different surfaces can also be selected according to different charge-discharge rates of the batteries.

The invention relates to a sarcandra high-yield cultivation method which comprises the implementing step of carrying out topdressing according to the growth condition of plants after sarcandra is transplanted and field-planted, wherein topdressing is respectively carried out once in spring and in summer every year and 60 to 80kg of flower fertilizer and 12 to 13kg of potassium chloride are mixed with water for watering per mu; an aqueous solution of fluid silicon is sprayed for once every month; the aqueous solution of fluid silicon is applied by uniformly mixing 7 parts of fluid silicon, 3 parts of a rare earth nutrient solution, 6 parts of fluid molybdenum, 8 parts of brassinolide and 3,000 parts of water and spraying. The sarcandra high-yield cultivation method has the benefits that liquor adopted by the sarcandra high-yield cultivation method rapidly heal the hazard to crops, which is caused by nutritional imbalance and phytotoxicity and content of chlorophyll in leaves of paris polyphylla and photosynthesis of the leaves of paris polyphylla are improved; growth and development of root systems of paris polyphylla and adsorption operation of the root system of paris polyphylla for trace elements such as nitrogen, phosphorus and potassium are promoted and the utilization rate of the fertilizer is improved; drought resistance, resistance to continuous cropping and disease resistance of paris polyphylla are improved; the harvesting yield of paris polyphylla cultivated by the method is improved by over 10 percent.

The invention belongs to the technical field of crop anti-freezing, and discloses an anti-freezing agent for crops.The anti-freezing agent is prepared from, by mass, 15-20 parts of polyethylene glycol, 10-15 parts of N,O-carboxymethyl chitosan, 1-2 parts of soybean hydrolyzed amino acid, 1-3 parts of calcium lactate, 1-3 parts of monopotassium phosphate, 0.01-0.03 part of 6-benzylamino adenine, 0.2-0.4 part of brassin, 0.02-0.04 part of diethyl aminoethyl hexanoate, 0.01-0.03 part of abscisic acid and 1000 parts of distilled water.The anti-freezing agent is good in anti-freezing effect and cannot cause excessive growth of plants.

The invention relates to an integrated tea leaf tedding and screening machine which comprises a bottom plate, four universal wheels are symmetrically installed on the lower end face of the bottom plate, the integrated tea leaf tedding and screening machine is moved to a processing position through the four universal wheels, a condensation tedding device is installed on the left side of the upper end face of the bottom plate and achieves the function of condensing light and rapidly tedding tea leaves, the tedding time is greatly shortened, the tedding speed is high, and the tedding effect is good; a multilevel screening device is installed on the right side of the upper end face of the bottom plate and achieves the function of automatically screening the tea leaves at multiple levels, the screening time is short, the screening speed is high, and the screening effect is good; the condensation tedding device comprises a tedding support plate installed on the left side of the upper end face of the bottom plate, an installation cylinder is welded at the middle part of the upper end face of the tedding support plate, and an annular limit groove is installed on the upper end face of the tedding bottom plate. The integrated tea leaf tedding and screening machine achieves the functions of integrally automatically tedding and screening the tea leaves, no manual operation is needed, the operation is simple and convenient, and the degree of automation is high.

The invention relates to a plant protectant, especially to a plant cold-resistant anti-freezing protectant, which is prepared from the following raw materials: ethylene glycol, edible amino acids, guaiacol, glucose, ascorbic acid, vitamin E, paraffin, castor oil and water that are in a weight ratio of 5.0-15:5.0-15:10-25:1.0-10:0.5-3.5:0.5-5.0:1.0-10:2.0-12:90-120. The invention can enhance the water retention and cold resistance of plants, mitigate freezing damage, has alleviating and restoring effects on freezing-damaged plants of moderate and mild degrees, and is ineffective on severe damage. The plant freezing point can be lowered by 5-8DEG C. With the protectant provided in the invention, the effects of inducing plants to generate sugar and other antifreezing materials, accelerating nutrient absorption and running, increasing chlorophyll, improving crop yield and quality, reducing leaf water and nutrient loss, resisting cold and preventing freezing, and prolonging the green period can be reached. With the advantages of no toxicity, no pollution, no phytotoxicity, as well as green environmental protection, the protectant provided in the invention is a good helper for plant growth.

The invention discloses a method for cultivating pinellia ternate. The method includes steps of spraying formulated fertilizers on the pinellia ternate once in 25 days after the pinellia ternate is cultivated. The formulated fertilizers comprise 8-10 parts of root tuber and stem tuber swelling agents, 2-6 parts of root hair promoting agents, 5-8 parts of high-content fluid compound fertilizers and 800-1000 parts of small-molecule water. A process for preparing the formulated fertilizers includes mixing the root hair promoting agents, the root tuber and stem tuber swelling agents and the high-content fluid compound fertilizers with one another for 10 minutes to obtain mixtures and then uniformly mixing and stirring the mixtures with an equal quantity of water; sufficiently dissolving the mixtures in the water, then mixing the mixtures with the residual water to obtain the formulated fertilizers and instantly spraying the formulated fertilizers on the pinellia ternate. Compared with the prior art, the method has the advantages that the chlorophyll content of the pinellia ternate can be increased, and photosynthesis of the pinellia ternate can be improved; growth and development of root systems of the pinellia ternate and nitrogen, phosphorus, potassium and medium trace element absorption and transportation of the pinellia ternate can be promoted, and the fertilizer utilization rate can be increased; the drought resistance, the continuous cropping resistance and the disease resistance of the pinellia ternate can be improved; as shown by the yield of the pinellia ternate harvested in 250 mu of trial field parcels, root tubers and stem tubers of the pinellia ternate cultivated by the aid of the method can quickly swell, and the yield can be increased by 20% at least.

The invention provides a plant antifreezing solution which comprises the following components in parts by weight: 2 to 5 parts of paraffin, 5 to 8 parts of vegetable oil, 4 to 8 parts of polybutylene, 3 to 9 parts of potassium fulvic, 5 to 9 parts of benzoic acid, 2 to 6 parts of tea polyphenol, 2 to 5 parts of citric acid and 2 to 5 parts of a cooking liquor of cassia twig, sappanwood, ginger and ampelopsis japonica. The ion content of Cu, Fe, Mn, Zn and B in the antifreezing solution is greater than or equal to 100 g / L. The plant antifreezing solution is simple in composition and convenient to use, the freeze injury damage on trees can be greatly reduced, the antifreezing effect is good, and the plant antifreezing solution activates biological enzyme, prevents the generation of ice nucleus bacteria, breaks ice forming activity of freezing protein, and increases heat. The ice point value of plant cells is reduced, the flow of cellular plasm is promoted, the cell viability is improved by 4 to 8 times, the water holding and drought resisting abilities of the plant are improved, freeze injury danger is reduced, functions of reducing and recovering are played on middle and light freeze injury plants, effects on serious damage are in vain, and the ice point value of the plant is reduced by 5 to 8 degrees.

The invention discloses a temperature and humidity control method and a temperature and humidity control system for a dampening region of a tobacco redrying machine, and relates to the technical fieldof tobacco redrying. The temperature and humidity control method includes dividing the dampening region into three regions from a feed inlet to a discharge outlet; acquiring deviations and deviationchange rates; acquiring limit values of the deviation change rates, performing regional control according to an obscure PID control method, and acquiring three control ranges according to the limit values of the deviation change rates; acquiring real-time deviation change rates ec, and adjusting temperature and humidity of each region according to a regional intelligent PID control algorithm; controlling the steam quantity for jetting to adjust the temperature through control of the aperture of a pneumatic membrane valve; controlling the atomized water quantity for jetting to adjust the humidifying quantity through control of on-off of an atomization water circuit electromagnetic valve. The temperature and humidity control method and the temperature and humidity control system have the advantages that control accuracy is achieved through regional control, each target parameter can be adjusted according to moisture contents and temperatures of discharged tobacco leaves, and accordingly,the tobacco leaves with stable quality are acquired.

The invention relates to a methanol recombination device started by waste heat of an engine. The methanol recombination device can absorb the waste heat of the engine rapidly to prepare hydrogen; and the prepared hydrogen can be sent to the engine for combustion, so as to achieve an object of reducing pollution and saving oil. The methanol recombination device comprises a heat receiver, a heat conductor and a catalyst bed, wherein the heat receiver has perforations one-to-one correspondingly to discharge outlets of the waste gas of the engine, the heat receiver can be disposed between the engine and an exhaust pipe to make one end surface of the heat receiver applied to the engine and the opposite end surface of the heat receiver connected with the exhaust pipe, each perforation of the heat receiver aligns to the discharge outlet of the waste gas of the engine, so that the heat in the waste gas and the heat of the engine can be absorbed; and the heat conductor is connected with the heat receiver, so that the heat of the heat receiver can be absorbed; the catalyst bed is connected with the heat conductor, so that the heat of the heat conductor can be absorbed to be used as heat source needed by performing a chemical reaction on a methanol water solution, so as to produce hydrogen.

The invention discloses a novel double-cylinder straight suction nozzle which can be widely applied to the field of pneumatic conveying. The novel double-cylinder straight suction nozzle is mainly composed of two parts, namely an inner pipe and an outer pipe; the inner pipe and the outer pipe are overall fixed together; a horn opening is formed in the bottom of the inner pipe, and a serrated notchwith a certain height is machined in the lower edge of the horn opening; two openings are symmetrically formed in the upper end of the outer pipe, and two valves are mounted at the openings; and theentering quantity of secondary air is controlled by adjusting the sizes of openings of the valves. During working, the suction nozzle is inserted into a material pile by a certain depth, the enteringquantity of the secondary air is controlled by adjusting the sizes of the openings of the valves, the secondary air enters a gap between the inner pipe and the outer pipe through inlets of the valvesand then enters the inner pipe through the serrated notch in the bottom end of the inner pipe, and thus the effects of accelerating material flow and adjusting the inner pipe conveying wind speed areachieved.

The invention discloses a portable sputum aspirator. The portable sputum aspirator comprises a sputum aspirator machine body, a liquid storage bottle and a negative pressure pump; the negative pressure pump is arranged in the sputum aspirator machine body; the negative pressure pump communicates with the liquid storage bottle through a hose; a groove, used for placing the liquid storage bottle, isformed in the sputum aspirator machine body; a lifting handle is arranged on the top of the sputum aspirator machine body; the hose is provided with a filter; the liquid storage bottle is provided with a sealed bottle cover; the sealed bottle cover is provided with an air suction pipe; the outlet in the top of the air suction pipe is connected to the negative pressure pump through the hose; the sealed bottle cover is provided with a sputum aspiration pipe; the sputum aspiration pipe is provided with a one-way valve; the sputum aspirator machine body is provided with a vacuum meter; the sputumaspirator machine body is provided with a power supply apparatus; the sputum aspirator machine body is provided with a power supply switch and connected to a circuit loop of the power supply apparatus; the sputum aspirator machine body is provided with a power supply indicator and connected to the circuit loop of the power supply apparatus; and the negative pressure pump is provided with a negative pressure adjustment apparatus and connected to the circuit loop of the power supply apparatus.

The invention discloses a preparation method and application of high-performance an IPMC (Ionic Polymer Metal Composite) taking Nafion-PVA-ES as an electrolyte membrane. The IPMC consists of an electrolyte membrane, directional spinning graphite membrane electrodes fixed on both sides of the electrolyte membrane, and an external electrical signal input system. The Nafion-PVA-ES electrolyte membrane is prepared by directional electrostatic spinning, electrodes are prepared by directional electrostatic spinning, and then the electrodes are embedded with the Nafion-PVA-ES electrolyte membrane toprepare the IPMC. The IPMC provided by the invention has anisotropic electro-mechanical conversion performance, the IPMC with Nafion-PVA-LAES obtained by cutting along a radial direction as a basementmembrane has large force output, and the IPMC with Nafion-PVA-PAES obtained by cutting along a weft direction as the basement membrane has large displacement output capability; and the IPMC has a wider application field.

The invention relates to a urea-ammonium nitrate solution water and fertilizer integrated application device and a fertilization method, wherein the application device comprises a traction device, anagent box frame with wheels, an agent box arranged on the medicine box frame, and a fertilization device frame hinged to the agent box frame. The fertilization device frame is fixedly connected to a suspension device connected to a traction device. A fixed joint point of the suspension device and the fertilization device frame is eccentric with a horizontal shaft. The fertilization device frame isprovided with a trenching device. The agent box is communicated with a fertilization pipe extending to the trenching device. Through application of UAN solution fertilizer based on the device, the UAN solution fertilizer can be directly absorbed by the crops so that the absorption speed is increased, nutrients can directly reach the root system and the fertilizer efficiency is greatly improved. Through collection and treatment on a driving rate in fertilization, the fertilization flow is adjusted so that the amount of fertilizer per unit area is consistent, precise fertilization is achieved and uneven fertilization caused by different driving rates is avoided.

The invention relates to planting of polygonum cuspidatum, in particular to a planting method for improving the yield and quality of polygonum cuspidatum. The method comprises the following steps of firstly, preparing land, deeply ploughing the soil by 25-40cm, and then applying bio-organic fertilizer and compound fertilizer; secondly, selecting excellent plants for root division propagation; performing ridging again, dipping roots with humic acid water-soluble fertilizer, and performing transplanting and planting; then performing field management and weeding, spraying seaweed foliar fertilizer in the squaring stage (the first ten days and the middle ten days of June), topdressing quick-acting fertilizer in the flowering stage (the last ten days of July to the first ten days of August), performing watering thoroughly after application, and the enabling soil water content to be kept at 40%-50%; and finally harvesting roots and rhizomes in September of the third year of planting. The method is simple and easy to operate, can effectively prevent root rot and harm caused by continuous cropping planting, controls the heavy metal and pesticide residues to be lower than the national standard, improves the quality of polygonum cuspidatum, and increases the yield by about 10-20%.

The invention provides a use method of a tree anti-freezing spraying agent. The use method includes the use steps of A, diluting the tree anti-freezing spraying agent into 800-volume-fold liquid through water to be sprayed in late autumn and before plant dormancy; B, diluting the tree anti-freezing spraying agent into 600-volume-fold liquid through water to irrigate roots 3-7 days before frosting or cold waves; C, diluting the tree anti-freezing spraying agent into 1000-volume-fold liquid through water to irrigate the roots before and after plant transplanting; D, diluting the tree anti-freezing spraying agent through water by 50-80 volume folds to conduct trunk and branch brushing operation before winter. The steps are required to be conducted at the temperature between 3 DEG C and 8 DEG C. The tree anti-freezing spraying agent comprises 1-hydroxy ethylidene-1,1-diphosphonic acid, tolyl triazole sodium, polybutylene, fulvic acid potassium, benzoic acid, tea polyphenol, phosphoric acid triethanolamine, Chinese mosla herbs, ginger, chrysanthemum and burdock. The use method is simple in ratio, convenient to use, capable of greatly reducing cold injury loss of trees and good in anti-freezing effect.

The invention provides an antifreezing agent, wherein the antifreezing agent comprises the following components in parts by weight: 2-5 parts of paraffin, 5-8 parts of vegetable oil, 4-8 parts of glycerinum, 3-9 parts of acetic acid, 5-9 parts of salicylic acid, 2-6 parts of tea polyphenol, 2-5 parts of glacial acetic acid, and 2-5 parts of a cooking liquor of bamboo leaves, ochre, Chinese mosla herb and pine needles. The antifreezing agent is simple in ratio and convenient to use, greatly reduces the loss caused by the freeze injury of a tree, and has an excellent antifreezing effect. The antifreezing agent activates the biological enzyme, stops the production of ice nucleating bacteria, breaks the icing activity of frozen protein, increases the heat, reduces the freezing point of a vegetable cell, promotes the flow of the cellular plasm, and improves the cell viability by 4-8 times. The water-retaining and drought-resisting abilities of the plant are improved, the freeze injury is alleviated, the antifreezing agent has an effect of alleviating and recovering the moderate and mild freeze injury plants, has no effect on the severe injury, and reduces the freezing point of the plant by 5-8 DEG C.

The invention relates to a method for preparing a seasoning, in particular to a method for preparing a nutritional health-care soy sauce with nutritional health-care effects. The nutritional health soy sauce is prepared by adding chalybeate, calcium, vitamins and seasonings into the soy sauce, dissolving and mixing. The soy sauce has effects of seasonings, contains substances such as ferrum, zinc, vitamins and the like, and can strengthen absorption of nutrient components required by human body. The soy sauce has the effects of nourishing the blood, tranquilizing, improving physical health and promoting intelligence.

The invention provides a preparation method of an antifreezing agent, wherein the preparation method comprises the following steps: A, mixing and uniformly stirring glycerinum, salicylic acid, tea polyphenol and glacial acetic acid, adding acetic acid into the mixture, choosing liquid paraffin, adding the paraffin into the mixture, stirring uniformly and standing; B, putting bamboo leaves, ochre, elsholtzia, pine needles into a closed container, adding an ethanol solution with the mass percent of 75%, infiltrating and steeping the active components for 12 hours, putting the active components into a percolator, adding the ethanol solution with the mass percent of 75%, soaking, starting to collect a percolate, heating the collected 75% ethyl alcohol percolate, and recovering ethyl alcohol so as to obtaining an extract; adding the extract into the vegetable oil, dissolving the extract into the vegetable oil, heating the vegetable oil dissolved with drugs to 40-50 DEG C, and sterilizing for use; C, fully mixing the mixture obtained in the step A and the mixture obtained in the step B, and detecting the ion content, wherein the contents of Cu, Fe, Mn, Zn and B are larger than or equal to 100 g / L. The preparation method is simple in coordination, convenient to use and good in antifreezing effect, and greatly reduces the loss caused by the freeze injury of a tree.

The invention provides a using method of spraying liquid protecting tree trunks against frost cracking. The using method includes the following using steps that A, in the late autumn, before plant dormancy, 800 volume fold of water is added into the spraying liquid protecting tree trunks against frost cracking so that the spraying liquid can be diluted, and diluted liquid is sprayed; B, 3-7 days before frost or cold-air outbreak, 600 volume fold of water is added into the spraying liquid protecting tree trunks against frost cracking so that the spraying liquid can be diluted, and root irrigation operation is performed through diluted liquid; C, before and after plant transplantation, 1050 volume fold of water is added into the spraying liquid protecting tree trunks against frost cracking so that the spraying liquid can be diluted, and root irrigation operation is performed through diluted liquid; D, before winter, 50-80 volume fold of water is added into the spraying liquid protecting tree trunks against frost cracking so that the spraying liquid can be diluted, and diluted liquid is sprayed to tree trunks and branches. It is required that the steps are operated at the temperature of 3-8 DEG C. The spraying liquid protecting tree trunks against frost cracking is composed of ethylene glycol, methyl ester, isobutylene, potassium humate, calcium chloride, tea polyphenol, citric acid, igusticum, folium isatidis, allium fistulosum and cinnamon. The spraying liquid is simple in matching, convenient to use, capable of substantially reducing freezing damage losses of trees and good in anti-freezing effect.

The invention provides a preparation method of a root system anti-freezing solution. The preparation method comprises the following steps: preparing the following materials: paraffin, calcium chloride, methanol, fulvic acid, glycerol, distilled water, mono carboxylic acid, ramulus mori, pine needle, rhizoma zingiberis and herb of diffuse dayflower; A, mixing methanol, glycerol, distilled water and mono carboxylic acid, uniformly stirring, then adding fulvic acid into the mixture, adding paraffin (liquid paraffin) into the mixture, uniformly stirring and leaving to stand; B, placing ramulus mori, pine needle, rhizoma zingiberis and herb of diffuse dayflower into a closed vessel, adding an ethanol solution with the mass percent of 75 into the closed vessel, infiltrating and soaking the active components for 12 h, after that, charging the active components into a percolator, adding ethanol with the mass percent of 75 for soaking, then starting to collect the percolating liquid, heating the collected percolating liquid with 75 percent of ethanol to reclaim ethanol so as to obtain an extract, adding the extract into calcium chloride to enable the extract to be dissolved, heating dissolved calcium chloride to be 40-50 DEG C, and sterilizing for later use; C, fully mixing the product obtained in the step A and the product obtained in the step B. The proportioning is simple, the use is convenient, frost injury loss of trees is greatly reduced and the anti-freezing effect is good.

The invention discloses a novel nurse dispensing suction device. The device comprises a shell, a sliding groove, a sliding block, a lower body, a hose, a cylinder, a suction bin, a piston, a spring, avertical rod and a fixing groove; if a traditional injector is used for suction and injection in sequence, in this way, the injector needs to be vertically pumped back and forth, and an existing dispensing injector cannot accurately adjust the pumping or injection speed; by means of the suction bin, when a nurse conducts dispensing, the nurse only needs to slide the sliding block downwards with one hand, medicament can be subjected to rapid sucking and injection mixing, the nurse dispensing efficiency is greatly improved, and suction and injection work of the nurse can become convenient and rapid; by means of cooperation of the cylinder and the hose, the suction or injection rate can be accurately adjusted, the phenomena that the medicament is too much or too less, and infusion injectionof patient is affected are lowered, and by means of the device, the nurse dispensing rate and suction and injection dosage accuracy are increased.

The invention discloses a turnover type taking and placing mechanism, which comprises a fixed mounting frame, a turnover mounting frame, at least one group of taking and placing assembly and a turnover driver, wherein the turnover mounting frame is arranged in the fixed mounting frame; the at least one group of taking and placing assembly is mounted in the turnover mounting frame; the turnover driver is arranged on the fixed mounting frame, the power output end of the turnover driver is in transmission connection with the turnover mounting frame; at least one lifting guide rail extending in the vertical direction is connected into the turnover mounting frame in a sliding mode; each taking and placing assembly is fixedly connected with the corresponding lifting guide rail; and the turnovermounting frame is driven by the turnover driver to do reciprocating turnover motion between 0 degree and 90 degrees. Thus, materials can be overturned within a certain angle range after being sucked,so that the actual production requirement is met, the structure is compact, the design is ingenious, the equipment complexity and the manufacturing cost are reduced, and the sucking and turnover operation efficiency is improved.

A method for high-yield cultivation of Sarcandraglabra (Thunb.) Nakai is implemented by the steps that topdressing is carried out according to plant growth situations after transplantation and fixed planting of the Sarcandraglabra (Thunb.) Nakai; the topdressing is carried out for one time in spring and summer every year, wherein 60-80kg of a compound fertilizer and 12-13kg of a calcium-magnesium-phosphate fertilizer are applied per mu, and the fertilizers are blended in water for applying; and a fluid boron water solution is sprayed once a month. The method provided by the invention is beneficial in that chemicalliquid used in the invention can quickly cure diseases of crops caused by nutrition unbalance and chemicalharm, so that the chlorophyll content and photosynthesis of leaves of the Sarcandraglabra (Thunb.) Nakai can be increased and enhanced; growth and development of root systems of the Sarcandraglabra (Thunb.) Nakai as well as absorption and transportation of nitrogen, phosphorus and potassium and medium trace elements by the root systems can be promoted, and a utilization rate of fertilizers can be increased; resistance of the Sarcandraglabra (Thunb.) Nakai to drought, continuous cropping and diseases can be increased. In comparison with the prior art, the harvesting yield of the Sarcandraglabra (Thunb.) Nakai which is bred by the method provided by the invention in an experimental planting field parcel of 160 mu is increased by over 10%.

The invention provides an application method of a tree crop cold damage protection liquid. The application method comprises the following application steps: A before plant dormancy in the late fall, adding water to dilute the tree crop cold damage protection liquid into 800fold liquid in volume for spraying; B 3-7 days before frost or cold wave, adding water to dilute the tree crop cold damage protection liquid into 600fold liquid in volume for a root-irrigation operation; (C) before and after transplanting a plant, adding water to dilute the tree crop cold damage protection liquid into 1000fold liquid in volume for the root-irrigation operation; and (D) before winter, adding water to dilute the tree crop cold damage protection liquid into 50-80fold liquid for trunk and twig brushing operations, wherein the steps are requested to be operated between 3 DEG C and 8 DEG C. The tree crop cold damage protection liquid comprises the following components: acrylate, ammonium dihydrogen phosphate, polybutylene, lignin, salicylic acid, tea polyphenol, glacial acetic acid, radix angelicae, puerarin, mint and cassia twig. The application method is simple to proportion, convenient to use and good in anti-freezing effect; and the cold damage loss of the trees can be greatly reduced.

The invention relates to a method for using tree protection liquid. The method for using the tree protection liquid includes the following steps that firstly, tree protection liquid is thinned up to be 800-fold liquid and the 800-fold liquid is applied to spraying in the late autumn before plant dormancy; secondly, 3-7 days before frosting or polar outbreak comes, the tree protection liquid is thinned up to be 600-fold liquid and the 600-fold liquid is applied to root pouring; thirdly, the tree protection liquid is thinned up to be 1050-fold liquid and the 1050-fold liquid is applied to root pouring before and after plant transplanting; fourthly, the tree protection liquid is thinned up to be 50-fold to 80-fold liquid and the 50-fold to 80-fold liquid is sprayed on tree branches and tree trunks with a brush before winter arrives. All the steps require to be carried out between 3 DEG C and 8 DEG C. The tree protection liquid is composed of paraffin wax, vegetable oil, isobutylene, BSFA, ethylic acid, tea polyphenol, citric acid, cutch, bletilla striata, dry red pepper and dried tangerine or orange peel. The method for using the tree protection liquid is simple in matching, convenient to use, capable of greatly reducing freeze losses of trees and good in anti-freezing effect.

The invention provides a frost damage protection solution for tree crops. The frost damage protection solution for the tree crops is prepared from, by weight, 2-5 parts of acrylate, 5-8 parts of ammonium dihydrogen phosphate, 4-8 parts of polybutylene, 3-9 parts of lignin, 5-9 parts of salicylic acid, 2-6 parts of tea polyphenol, 2-5 parts of glacial acetic acid and 2-5 parts of cooking liquid of angelica roots, kudzu vine roots, mint and cassia twigs. The content of Cu, Fe, Mn, Zn and B ions in the frost damage protection solution is greater than or equal to 120 g / L. The frost damage protection solution is simple in proportion, convenient to use, capable of remarkably reducing the frost damage loss of trees and good in anti-freezing effect, activates biological enzymes, prevents ice nucleus bacteria from being generated, destroys the ice formation activity of freezing protein and increases heat. A freezing point value of plant cells is reduced, flowing of cellular plasm is promoted, and the cell activity is improved by 4-8 times. The water-retention and drought-resistant abilities of plants are improved, frost damage hazard is reduced, the frost damage protection solution plays the alleviating and recovering effects on the plants suffering from moderate and light degree of frost damage and is invalid to the plants suffering from severe frost damage, and the freezing point value of the plants is reduced by 5-8 degrees.

The invention discloses a detection device for nitrogen dioxide and a use method thereof, which belong to the field of environment detection. The device comprises a shell; an air inlet pipe is embedded in the side wall of one side of the shell; and an air extractor is arranged in the air inlet pipe. The nitrogen dioxide in the air can be detected, nitrogen dioxide is determined by using a naphthalene ethylenediamine hydrochloride spectrophotometric method, the detection result is more visual and accurate, the absorption liquid can be replaced, and therefore, the device can be repeatedly used and has enough service life; the hemispheroid shell is driven by a driving motor to rotate, the hemispherical shell is used for blowing air into the volumetric flask, the air absorption speed is increased, the reaction efficiency is improved, the pressing plate is driven to move downwards through rotation of the screw rod and limitation of the telescopic rod, the pressing plate presses a silicone tube to the bottom plate, circulation of the silicone tube is blocked, the situation that a solution is sucked back is prevented, and the whole device is simple in structure, low in cost, high in stability and capable of being repeatedly used.

The invention discloses a planting method for paris polyphylla. The method comprises the following steps: (1) field preparation; (2) seed selection and planting; (3) application of formulated fertilizer; (4) arrangement of a sunshade net; (5) field management and pest control. The planting method adopts unique formulated fertilizer and planting plan, so that the drought resistance, the successive cropping resistance and disease resistance capabilities of the paris polyphylla are improved, compared with the prior art, the yield of the paris polyphylla bred in a trial planting field parcel with the method is increased by 10% or higher, growth and development of a root system of the paris polyphylla and absorption and translocation of nitrogen phosphorus and potassium as well as secondary and trace elements by the paris polyphylla are promoted, and the fertilizer utilization ratio is increased.