54results about How to "Little harm" patented technology

The invention discloses a covering method for orchard sod culture. The covering method comprises steps as follows: soil preparation and fertilization: fine soil preparation is performed before sowing, 50 kilograms of calcium magnesium phosphate fertilizer and 2,000-3,000 kilograms of organic fertilizer are applied for each mu; seed selection: grass seeds meeting requirements that the heights are smaller than 50 cm after the seeds grow up, the seeds grow in a creep manner and the main roots are shallow are selected; sowing in strip: the seeds are sowen when the soil is in a moisture status after rainfall in spring, the row spacing is 20-30 cm, the depth for seed sowing is 1-2 cm, the seeds are sowed in the middle of space between fruit tree rows, 1-2 meters of a clean cultivation zone is reserved between plants, and 0.5-1 kilogram of seeds are used for each mu; and cutting of green crops: green crops are cut twice every year, and 10 kilograms of calcium superphosphate is applied for each mu after cutting of the green crops each time. The method is reasonable, the content of organic matters in the oil can be improved, pests are prevented, the pesticide dosage is reduced, and rain-waterlogging danger is reduced.

The invention provides a novel microbial seedling medium and a preparation method and application thereof. The novel microbial seedling medium is prepared from the following raw materials of microbial probiotics (having the capability of inhibiting bacteria, producing IAA (Indoleacetic Acid) and dissolving inorganic phosphorus), peat, vermiculite, pearlite, mushroom residue, composted chicken manure and water. No any chemical pesticide or fertilizer are added in the novel microbial seedling medium, and the environment is not polluted. The novel microbial seedling medium disclosed by the invention has the advantages that soil can be improved, the fertilizer efficiency can be increased, the soil of the root of a plant is enabled to be fluffy and not to harden, water retention and fertilizer retention are realized, and healthy and strong growth of the root is promoted; the novel microbial seedling medium enables vegetables to be tidy and strong in seedlings, deep green in leaves, developed in root system, loosened in texture, good in air permeability, good in root development, comprehensive in nutrition, high in yield and light in pest and disease damage, and the novel microbial seedling medium is an ideal medium for producing green and organic vegetables.

The invention provides environment-friendly high-adhesion building primer and a preparation method thereof. The primer comprises a polymer emulsion, a potassium silicate solution, a pH regulator, a freeze-thaw stabilizer, a dispersing agent, a wetting agent, a defoaming agent, pigment, a thickening agent, a coalescing agent, a base material wetting agent and water. The potassium silicate solutionand the cement in the base material belong to silicate inorganic substances and have very good compatibility, and the molecular-level potassium silicate solution can easily wet and permeate into capillary holes of the base material under low surface tension, so that the alkali efflorescence resistance of the primer is improved, the base material is reinforced, and the bonding strength of the basematerial and the primer is improved. Besides, the primer is excellent in performance, all raw materials adopted are environment-friendly and low-odor, harmful substances such as VOC, formaldehyde, heavy metals, APEO and a biocide are not added artificially, the produced product is non-toxic and odorless, and therenewable potassium silicate solution is used as a film forming substance.

The invention discloses an electromagnetic radiation protector and an electrotome with an electromagnetic radiation protection function. The protector comprises a first plug, a first transmission line, a control box, a second plug and a second transmission line, wherein first plug, the first transmission line, the control box, the second plug and the second transmission line are connected in sequence. The first plug is respectively connected with the high-frequency electrotome or a LEEP knife instrument and the first transmission line, and the second transmission line is respectively connected with the second plug and a knife handle. The outer layer of the first transmission line and the outer layer of the second transmission line are respectively of a densely-woven-net-shaped structure. The control box comprises a start trigger unit, a one-off blocking unit, a processor, an output indication unit and an output control unit. The processor is respectively connected with the start trigger unit, the one-off blocking unit, the output indication unit and the output control unit, and the one-off blocking unit is further connected with the start trigger unit. According to the electromagnetic radiation protector and the electrotome with the electromagnetic radiation protection function, electromagnetic radiation of the electrotome can be reduced effectively, and the radiation intensity is reduced to be within a national standard safety range.

The invention discloses a compound pesticide preparation containing metalaxyl and azoxystrobin. The preparation comprises metalaxyl and azoxystrobin at weight ratio of (1-9):1; and the metalaxyl and azoxystrobin respectively account for 10.0-63.0% and 2.0-35.0% of the total weight of the preparation. The formulation of the preparation is granules, tablets or suspending agents, wherein the granules or tablets are easy to measure in the use so as to avoid the unsatisfactory prevention effect due to too low dosage, or the waste of pesticide preparation and phytotoxicity to the crops due to too high dosage caused by inaccurate measurement, and the dosage of the pesticide can be reduced to some extent, thereby reducing the pollution of the pesticide to the environment and saving the prevention and control cost of fertilization and pesticide application; and the suspending agent provided by the invention is easy to mix with the water, and is convenient for use. In the compound pesticide preparation, water is used as the solvent to avoid the environmental pollution caused by the missible oil due to a large quantity of organic solvent and the environmental pollution caused by the shifting of the wettable powder in the process of preventing and controlling the diseases and insect pests; and therefore, the pesticide preparation has the advantages of low environmental influence, light phytotoxicity and the like, and is safe for production, storage and transportation and use.

The invention relates to the technology of pesticide and fertilizer application monitoring and discloses a pesticide and fertilizer application monitoring system. The system is characterized by comprising a matching device (101) used for matching pesticides and fertilizers, and a monitoring server (201), wherein the matching device (101) sends work information to the monitoring server (201), and the matching device (101) starts to work after verification of the monitoring server (201) is successful. Data monitoring of the whole pesticide application process can be achieved.

The invention relates to the technology of pesticide and fertilizer application monitoring and discloses a pesticide and fertilizer application monitoring method. The method includes the steps that firstly, information, sent by a matching device for pesticide preparation, of a to-be-matched pesticide commodity is received; secondly, the information of the to-be-matched pesticide commodity is verified, and a verification result is sent to the matching device. The invention further correspondingly discloses a pesticide and fertilizer application monitoring server. The server comprises a matching device verification unit (401) which is used for receiving work information sent by the matching device for pesticide preparation, verifying the work information from the matching device and sending the verification result to the matching device. By means of the server and the method, data monitoring of the whole pesticide application process can be achieved.

The invention discloses plant compounded pesticide and a preparation method thereof. The plant compounded pesticide comprises the following components in parts by weight: 25 to 35 parts of tobacco, 15to 25 parts of pericarpium citri reticulatae, 9 to 13 parts of lonicera japonica, 12 to 18 parts of zanthoxylum bungeanum, 10 to 15 parts of tomato leaves, 5 to 8 parts of bitter gourd leaves, 20 to30 parts of acorus calamus, 4 to 7 parts of allium sativum, 4 to 7 parts of bletilla striata, 12 to 18 parts of sophora flavescens, 2 to 4 parts of plant essential oil, and 6 to 9 parts of an additive. The plant compounded pesticide can efficiently kill various insect pests, is small in toxic and side effect, and low in environment influence harm; meanwhile, the preparation method is simple and convenient to implement.

The invention provides a novel microorganism seedling growing nutrient liquid as well as a preparation method and application thereof. Soil bacillus subtilis is used in the nutrient liquid, and the soil bacillus subtilis is capable of promoting crop growth and has the characteristics of promoting roots, strengthening seedlings, preventing bacteria and preventing diseases. The novel microorganism seedling growing nutrient liquid is prepared by compounding the soil bacillus subtilis, ammonium dihydrogen phosphate, magnesium sulfate heptahydrate, EDTA (Ethylene Diamine Tetraacetic Acid) ferric salt, boric acid, manganese sulfate, zinc sulfate, copper sulfate and ammonium molybdate in a certain ratio, the yield of crops can be effectively increased, the yield of each acre is increased, meanwhile leaves of the crops can be in dark green and are thickened, and the photosynthesis can be enhanced.

The invention discloses a portable microwave bug sprayer which comprises a bug sprayer body. The bug sprayer body is connected with a power generation component through a reserved socket, the bug sprayer body comprises a waveguide tube, magnetrons and an insulated handle, the insulated handle is arranged at the left end of the waveguide tube, energy gathering antennas are arranged at the right endof the waveguide tube and symmetric about the horizontal center line of the waveguide tube, a plurality of circular holes are formed in the outer wall of the waveguide tube, a plurality of magnetronsare correspondingly arranged in the circular holes, output ports of the magnetrons are inserted into the circular holes, the reserved socket is arranged on the left outer wall of the waveguide tube,one end of the reserved socket is connected with a handle switch, the other end of the reserved socket is matched with an external plug, and the external plug is connected with the power generation component through a power wire. Dead pine trees are treated in a microwave form, the portable microwave bug sprayer easily approaches to an affected or tall tree, bugs are conveniently killed, labor intensity is reduced, and operation risk is reduced. Besides, the weight of the sprayer is effectively reduced, transportation is facilitated, and the sprayer is easily carried to a mountain forest.

The invention discloses a synthesis method of substituted nitroaniline, comprises the following steps: performing nitration on the substituted aniline and nitrite in a solvent at 20-80 DEG C to obtain the substituted nitroaniline, the structural formula of the substituted aniline is as shown in the specification, wherein R1 is p-Toluenesulfonyl, acetyl, t-butyloxycarbonyl, benzoyl, -COC(CH3)3, benzyl or methyl; R2, R3, R4, R5 and R6 are respectively and independently C1-C4 alkyl, C1-C4 alkoxy, halogen, H, NO2, OCF3 or aryloxy, at least one of R2, R4 and R6 is H, the nitration means that at least one of R2, R4 and / or R6 with value of H on the substituted aniline is substituted by NO2. The synthesis method disclosed by the invention is free from high-temperature and high-pressure, the condition is gentle, the operation is safer, the strong acid is avoided, the post-treatment is simple, and the pollution to the environment is small, and the harm is light.

The invention provides low-nicotine paper-making process reconstituted tobacco and a preparation method and application thereof. The preparation method of the low-nicotine paper-making process reconstituted tobacco comprises the following steps of: mixing tobacco fibers, wood pulp fibers and filler, then adding water, and performing heating extraction; centrifuging the leaching solution to obtaina tobacco extracting solution; pulping the solid matter according to a papermaking process, and forming to obtain a substrate; concentrating the tobacco extracting solution under reduced pressure to obtain water paste; adding ammonia water into the water paste, performing uniform stirring, mixing with an organic solvent, and performing extracting; separating the solution after extraction to obtainan organic phase and a water phase; mixing the water phase with an ethanol solution, performing uniform stirring, and performing concentrating under reduced pressure to obtain a coating solution; andcoating a substrate with the coating solution, and performing drying to obtain the low-nicotine paper-making process reconstituted tobacco. The low-nicotine paper-making method reconstituted tobaccoprepared through adoption of the method is low in nicotine content, can replace part of tobacco raw materials to be added into traditional or novel cigarettes, can effectively reduce tar, nicotine andother harmful substances in smoke, and reduces harm to the human body.

The invention discloses a preparation method of spicy, crisp, safe and healthy pickled bamboo shoots. The preparation method comprises the following steps: removing impurities from fresh bamboo shoots, cleaning and slicing the fresh bamboo shoots, air-drying surface moisture, sending the bamboo shoots into a freeze-drying chamber, carrying out vacuum freeze-drying treatment, adding edible salt water and a plant extracting solution, carrying out uniform mixing, then sending the mixture into a high-pressure kettle for high-pressure permeation treatment, after microwave sterilization, adding a fermentation inoculant, performing uniform stirring and sealing, putting the mixture into the earth crust for primary fermentation, carrying out microwave sterilization, then adding lactobacillus plantarum, performing uniform stirring and sealing, putting the mixture into the earth crust for secondary fermentation, taking out the products, and carrying out microwave sterilization again to prepare the pickled bamboo shoots. The pickled bamboo shoots are spicy and crisp, shorten the fermentation time of the pickled bamboo shoots, are longer in preservation time, are beneficial to batch production, improve the processing technical level of the pickled bamboo shoots and the flavor of the products, can better improve the fermentation efficiency while ensuring the fragrance and taste of the bamboo shoots, can reduce the content of amino acid nitrogen and nitrite in the finished products, and have little harm to the human body.

The invention relates to a rectifier transformer, in particular to a double-extension triangular step-down voltage-regulating rectifier transformer. It includes the basic winding of the main transformer in the main transformer, the phase-shifting winding of the main transformer, the primary winding of the modulation in the voltage regulating transformer, the secondary coarse winding of the modulation, the fine winding of the secondary modulation, and the multi-level coarse and fine adjustment with load points. The switch is connected, and the secondary coarse-tuning winding of the modulation includes the first coarse-tuning winding, the second coarse-tuning winding, the third coarse-tuning winding, the fourth coarse-tuning winding, and the fifth coarse-tuning winding connected in series, and the One or more of the first coarse tuning winding, the second coarse tuning winding, the third coarse tuning winding, the fourth coarse tuning winding, and the fifth coarse tuning winding are connected to form a delta connection to form a double-extended triangle connection The insulation level of the line, the secondary windings of the modulation and the primary winding of the main transformer to the ground is low; the insulation level of the switch is low, and the cost is low; the overall loss of the rectifier transformer is small, energy-saving and environmentally friendly, and the output voltage needs to be adjusted in a wide range of levels.

The invention discloses a microbial seedling-growing medium and a production system thereof. The microbial seedling-growing medium comprises medium raw materials and water, wherein the medium raw materials comprise straw, vermiculite, a nutritional agent, coconut coir and thoroughly-decomposed cow dung, the nutritional agent and the water are added into a semi-finished medium product obtained after raw material treatment, high-temperature sterilization, raw material mixing and solid-liquid mixing are conducted, and even mixing is conducted. No chemical pesticides or fertilizers are added intothe microbial seedling-growing medium, thus the environment is not polluted, and the microbial seedling-growing medium can improve soil, improves the fertilizer efficiency, makes soil around roots ofplants loose and free from hardening, retains water and fertilizers, and promotes well growth of the roots; and by means of the microbial seedling-growing medium, vegetable seedlings can come out evenly, the seedlings are strong, leaves are dark green, root systems are strong, texture is loose, the air permeability is good, the root systems are well developed, nutrition is complete, a yield is high, and disease and pest damage is minor, so that the microbial seedling-growing medium is an idea medium for producing green and organic vegetables.

The invention discloses a tbc1d14 gene over-expression adenovirus vector. pHBA(+)-EF1-MCS-GFP is taken as a vector, and a tbc1d14 gene is connected integrally for recombining to obtain the tbc1d14 gene over-expression adenovirus vector. The invention further discloses a building method of the adenovirus vector, a packaging method of an adenovirus and an obtained adenovirus. An adenovirus expression system is adopted, an exogenous gene mouse tbc1d14 gene is built onto an adenovirus framework vector by a homologous recombination method, and a recombined adenovirus A(+)-tbc1d14 is built to obtaina high-titer recombinant adenovirus. The tbc1d14 gene over-expression adenovirus vector is the most efficient, reliable and stable mouse tbc1d14 gene expression system at present, and can be used forexpressing a mouse tbc1d14 objective protein in mammalian cells instantaneously at a high level, so that a basis is laid for the research of the biological function of the tbc1d14 gene in a cell autophagy process.

The invention discloses a method for controlling fructus-lycii-fruit-boring pests and a crown-surface-and-earth-surface bi-directional capturing device. A physical device is arranged to prevent the fructus-lycii-fruit-boring pests, and according to the characteristic that the fructus-lycii-fruit-boring pests conduct buried pupating, overwintering, soil-leaving emerging, growing and breeding through the crown surface of a fructus-lycii tree and the earth surface, a physical intercepting device is erected between the crown surface of the fructus-lycii tree and the earth surface, the intercepted fructus-lycii-fruit-boring pests are captured and killed, and the fructus-lycii-fruit-boring pests are fundamentally eliminated. The method has the advantages that the controlling process is environmentally friendly and free of pollution, the food quality and safety of fructus-lycii fruits are not influenced, and the problem that pesticide residues of fructus-lycii fruits are out of limits is solved; the controlling effect is good, it is effective for a long time after one-time arrangement, the fructus-lycii-fruit-boring pests can be fundamentally killed, damage of the fructus-lycii-fruit-boring pests can be stably controlled, and damage of the fructus-lycii-fruit-boring pests is smaller and smaller; the capturing device is simple in structure, convenient to install and capable of being reused for a long time and reducing the controlling cost of the fructus-lycii-fruit-boring pests.

The invention relates to a rectifier transformer, and particularly to a double-extended-triangle descending voltage regulation rectifier transformer. The double-extended-triangle descending voltage regulation rectifier transformer comprises a main transformer basic winding and a main transformer phase-shifting winding in a main transformer, a voltage regulation transformer primary winding, a voltage regulation transformer secondary coarse tuning winding and a voltage regulation transformer secondary fine tuning winding in a voltage regulation transformer, and a multi-level coarse and fine tuning on-load tap-changer, wherein the voltage regulation transformer secondary coarse tuning winding comprises a first coarse tuning winding, a second coarse tuning winding, a third coarse tuning winding, a fourth coarse tuning winding and a fifth coarse tuning winding, all of which are connected in series; one or more of the first coarse tuning winding, the second coarse tuning winding, the third coarse tuning winding, the fourth coarse tuning winding and the fifth coarse tuning winding are connected to form a corner joint connecting line so as to a double-extended-triangle connection circuit; each secondary winding of the voltage regulation transformer and the primary winding of the main transformer have low insulation level for the ground; a switch insulation level is low, and the cost is low; the rectifier transformer is low in total loss and environmental friendly, and realizes large-range rank difference voltage regulation requirements on output voltage.

The invention belongs to the technical field of the traditional Chinese medicine, and concretely relates to a plaster for treating pains in neck, shoulder, waist and leg. Raw materials of the plaster for treating pains in neck, shoulder, waist and leg comprise 50-80g of Ramulus Mori, 50-80g of Divaricate Saposhnikovia Root, 50-80g of pawpaw, 50-80g of cinnamon, 50-80g of Viciaamoena Fisch, 50-80g of licorice root, 50-80g of Chinese angelica, 50-80g of Ligusticum wallichii, 50-80g of Radix Aconiti, 50-80g of Aconitum kusnezoffii, 50-80g of Achyranthes bidentata, 50-80g of Fructus Gardeniae, 50-80g of Nux Vomica, 50-80g of Radix Clematidis, 50-80g of Boswellia carteri, 50-80g of myrrh, 50-80g of safflower, 50-80g of ground beetle, 50-80g of Eucommia ulmoides and 50-80g of pangolin. The plaster can be plastered on the aching position of a patient to effectively alleviate the ache of the patient, and has a substantial effect. The plaster has small toxic side effects, has small damages to bodies, and can be used for a long term.

The invention discloses a method for intelligently sorting electric vehicle waste materials, and relates to the technical field of waste electric vehicle recovering and reprocessing. The method comprises the following steps: material cutting, material heating, continuous dissolving, material rolling, continuous heating and material adsorption. The method has the advantages of reasonable composition, convenience in operation, and convenience in separation and classification.

The invention discloses plant type compound pesticide and a preparation method thereof. The plant type compound pesticide is prepared from the following components in parts by weight: 30 to 40 parts of derris powder, 15 to 20 parts of mandala, 12 to 18 parts of folium ginkgo, 10 to 15 parts of tomato leaves, 20 to 30 parts of acorus calamus, 10 to 15 parts of plantain herb, 12 to 18 parts of wildpepper, 9 to 13 parts of honeysuckles, 8 to 12 parts of radix stemonae, 12 to 18 parts of radix sophorae flavescentis, 2 to 4 parts of plant essential oil and 6 to 9 parts of an auxiliary agent. The plant type compound pesticide disclosed by the invention can efficiently kill a plurality of pests, has small toxic and side effects and has low impact and damage to the environment; in addition, the preparation process is simple and is convenient to implement.

The invention relates to pure-natural hair-dyeing nutritional hair mask powder applicable to damaged hair. The pure-natural hair-dyeing nutritional hair mask powder is prepared from the following raw materials in mass ratio: 8 parts of citric monohydrate, 10 parts of orange peel flavochrome, 20 parts of carmine, 40 parts of henna powder, 20 parts of nano pearl powder, 15 parts of macromolecular hyaluronic acid and 8 parts of fibroin powder. Through trial, with the adoption of the pure-natural hair-dyeing nutritional hair mask powder, original black hair can be rendered purple red, and original yellow hair can be rendered reddish brown and even bright red; and meanwhile, the damaged hair is effectively nourished and is enabled to be elastic and glossy after using the pure-natural hair-dyeing nutritional hair mask powder. Through persisting in reusing the pure-natural hair-dyeing nutritional hair mask powder once every week to every month, the hair can be rendered lasting bright-colored and glossy.

The invention discloses a seedling substrate dedicated for tobacco, which is composed of turf, perlite, vermiculite and a water soluble fertilizer, wherein the substrate is prepared from the following raw materials in weight: 75-80 kg of the turf, 2-5 kg of the perlite, 15-20 kg of the vermiculite, and 0.6-0.7 kg of the water soluble fertilizer of which the water content is not greater than 2%. According to the seedling substrate dedicated for the tobacco, the problems that tobacco seeds are smaller, and the contents of a rooting agent and a growth regulator in a vegetable seedling substrate are higher can be effectively solved, and the runt seedling phenomenon is prevented. The seedling substrate dedicated for the tobacco has the advantages of simplicity in preparation, reasonable prescription, stable performance, cost saving, strong water-retaining property, less weed, lighter phytotoxicity and good sprouting; according to the seedling substrate dedicated for the tobacco, not only can the substrate be disinfected, but also a disease-pest control and prevention effect can be achieved on the seedlings in the substrate; the nutrition requirements of the tobaccos in the seedling cultivation process can be completely met, and the proportion can be properly adjusted according to the characteristics of the cultivated tobacco variety; the seedling substrate dedicated for the tobacco is a special seedling substrate prescription which is suitable for northern tobaccos.

The invention discloses a synthesis method of substituted nitroaniline, comprises the following steps: performing nitration on the substituted aniline and nitrite in a solvent at 20-80 DEG C to obtain the substituted nitroaniline, the structural formula of the substituted aniline is as shown in the specification, wherein R1 is p-Toluenesulfonyl, acetyl, t-butyloxycarbonyl, benzoyl, -COC(CH3)3, benzyl or methyl; R2, R3, R4, R5 and R6 are respectively and independently C1-C4 alkyl, C1-C4 alkoxy, halogen, H, NO2, OCF3 or aryloxy, at least one of R2, R4 and R6 is H, the nitration means that at least one of R2, R4 and / or R6 with value of H on the substituted aniline is substituted by NO2. The synthesis method disclosed by the invention is free from high-temperature and high-pressure, the condition is gentle, the operation is safer, the strong acid is avoided, the post-treatment is simple, and the pollution to the environment is small, and the harm is light.

The invention relates to the technical field of medical biological detection, provides novel application of ten autoantibodies, namely anti-TSPAN18, ENTPD1, IZUMO4, DHRS7C, ATP5G1, SECTM1, CPT1A, SLC39A14, SLC7A4 and LDLRAD4 antibodies, in particular to application in preparation of a diagnostic reagent or a diagnostic kit for pancreatic ductal adenocarcinoma, and further provides a kit for diagnosing pancreatic ductal adenocarcinoma by detecting the ten autoantibodies. The kit and the detection method disclosed by the invention are simple, convenient, reliable, short in period, high in specificity and easy to clinically popularize.

The invention relates to the technical field of landscaping, and particularly discloses a plant growth inhibitor as well as a preparation method and application thereof. The plant growth inhibitor isprepared from the following raw materials in parts by weight: growth inhibition hormone, S-ABA and vitamin C. The preparation method of the growth inhibition hormone comprises the following steps of mixing 2-chloroethyltrimethyl ammonium chloride, triiodobenzoic acid, uniconazole and acetone, adding alkyl glucoside, diluting, applying to lawn plants, taking the top end, mashing, grinding, dissolving in an organic solvent, and leaching to obtain a hormone liquid medicine. The invention further discloses a preparation method of the plant growth inhibitor, and the plant growth inhibitor is obtained by mixing the growth inhibition hormone, the S-ABA and the vitamin C. The invention further discloses application of the plant growth inhibitor in landscaping. The plant growth inhibitor is used for landscaping, the growth speed of green plants can be inhibited, the pruning frequency of the green plants is reduced, the maintenance cost is reduced, and the inhibition effect is better.

The invention discloses a neck clamp device, a milking rotating disc and milking equipment. The neck clamp device comprises an upper transverse rod and a lower transverse rod which are arranged up anddown, wherein a movable stop rod is movably installed at the end, away from a supporting handrail, of a supporting frame through a rotating shaft; a liquid medicine sealing box is fixedly arranged onthe upper transverse rod; an extrusion rod is fixedly arranged on the upper portion of a neck clamp base in a matched mode; an operating gear is fixedly mounted at the bottom end of a lifting screw rod; an extrusion piston is movably arranged in a columnar pushing groove; an injection mechanism comprises a telescopic sleeve; an injection spring is arranged in the telescopic sleeve; an overturningbuckle is movably connected with a lifting block arranged on one side of the matched neck clamping base; and a medicine feeding channel is formed in the side wall of the telescopic sleeve. The neck clamp device is simple in structure and convenient to use, injection of subcutaneous liquid medicine of the neck of the livestock can be automatically completed in the milking process of the livestock,compared with a traditional manual injection mode when the livestock is scared, the neck clamp device can reduce the manpower consumption, and ensure the safety of the medicine feeding process.

The invention relates to a simple Huang-Huai-Hai wheat-corn zero-crop-rotation cultivation method. With the goal of maximally utilizing light, temperature and water resources in a region and increasing the annual wheat-corn grain yield, a simple Huang-Huai-Hai wheat-corn zero-crop-rotation cultivation technology optimally integrates cultivation technologies for two crops, so that the purpose of annual grain production complementation, integration and balance is achieved. The technical core of the simple Huang-Huai-Hai wheat-corn zero-crop-rotation cultivation technology is as follows: after corns are harvested, minimal-tillage wheat seeding is directly carried out in conditions that soil is not turned over and straws return to the field; after wheat is harvested, minimal-tillage corn seeding is also directly carried out in conditions that soil is not turned over and straws return to the field; therefore, wheat-corn annual planting zero-crop-rotation in the Huang-Huai-Hai plain is realized; the light and temperature resources are utilized maximally; and the annual regional grain yield is increased.