336results about How to "Control hazards" patented technology

The invention relates to the field of tunnel construction, in particular to a method for constructing a metamorphic rock confined water tunnel, which solves the problems of the current method that geological disaster is easily initiated, the digging outline is difficult to control, timbering at initial stage is easy to transform and craze and the collapse is easy to occur. The method comprises the steps of: preliminarily forecasting surrounding rock level and underground water developing condition, accurately forecasting the geologic condition and the underground water developing condition by an advanced prospect hole, draining and decreasing water pressure by an advanced borehole, fixing the surrounding rock and plugging water by grouting via an advanced ductile, choosing a digging manner of tunnel trunk, determining the timbering form at initial stage, constructing a radial ductile, digging an inverted arch, pouring inverted arch concrete, and constructing a secondary lining. The construction method of the invention can efficiently control the digging outline, decrease the collapse frequency and the scale, efficiently control the transformation and cracking of the timbering at initial stage and can almost avoid the tunnel collapse by secondarily exchanging arch. The cost is decreased and the construction quality and the construction safety are efficiently promoted so as to bring excellent social benefit.

The invention relates to a hydrogen sulfide treating agent for oil fields and a method for treating hydrogen sulfide. The invention belongs to the technical field of hydrogen sulfide treatment in oil and gas fields. The hydrogen sulfide treating agent for oil fields is characterized by comprising the following components in percentage by weight: 10 to 45 percent of nitrate, 5 to 50 percent of nitrite, 5 to 10 percent of water soluble microorganism activating system, and 45 to 80 percent of water. The method for treating hydrogen sulfide with the hydrogen sulfide treating agent for oil fields comprises: to treat hydrogen sulfide in oil reservoirs, adding the hydrogen sulfide treating agent into injected water, namely injecting the hydrogen sulfide treating agent into a water pipe according to an injection concentration of 100 to 1,500 mg/L to mix the hydrogen sulfide treating agent with the injected water, and injecting the mixture into a stratum by a water injection pipe; and to treat hydrogen sulfide in a production system, adding the hydrogen sulfide treating agent in produced liquid and gas, namely injecting the hydrogen sulfide treating agent into a production system according to an injection concentration of 100 to 1,500 mg/L to mix the hydrogen sulfide treating agent with the produced liquid and gas. The hydrogen sulfide treating agent has the advantages of treating hydrogen sulfide generated by different factors, improving recovery rate of oil fields, along with convenience for construction, quick effectiveness, low cost, safety, no toxin, environmental friendliness and the like.

Disclosed is a combined preparation with aliphatic acid as the core, the preparation formulation of which is combining aliphatic acid or aliphatic acid salt or derivant, inorganic acid or organic acid and inorganic salt or organic salt. The preparation can accelerate vegetation, increase plant output and control the harm of plant pests with very low aliphatic acid density, which realizes double effects of both increasing plant output and controlling the harm of plant pests with one preparation.

A composite herbicide for rape field contains the pyrimidine benzylamine kind of herbicide, at least one of quizalofop-ethyl, fluazifop-p-butyl, haloxyfop, fenoxaprop and sethoxydim, acetochlor, alachlor, napropamide, ehaprochlor, metolachlor, ethamet sulfuron and benazolin. Its advantages are high effect, broad spectrum, low dosage and high safety.

The invention discloses a planting method of an ecological pear. The ecological pear without pesticide residue is planted by adopting a grass culturing and intercropping mode, adopting an organic fertilizer as a main fertilizer, and using physical and trapping ways to kill insects. According to the planting method, the problems that an existing pear tree planting method is low in the land use rate, high in pesticide residue and low in fruit quality can be overcome; furthermore, the planting method is free from pesticide residue and high in fruit quality, and the land can be effectively used.

The invention relates to an insecticidal composition containing fluorin inspect bisamide and monosultap. The insecticidal composition has strong insecticidal activity, is applied to the field of chemical protection of agricultural production plants, is mainly used for preventing and curing the harm of lepidoptera pests to crops such as paddy rice, vegetables, fruit trees, cotton, seeding plants, flowers, and the like, has excellent insecticidal effect, and is different from other traditional insecticidal compositions. The insecticidal composition is prepared by combining effective ingredientsof the fluorin inspect bisamide and the monosultap. The insecticidal composition comprises the following preparation raw materials by weight percent: 0.1% to 50% of the fluorin inspect bisamide, 5% to 90% of the monosultap and 8% to 90% of additive. The composition preparation is aqueous emulsion, microemulsion, wettable powder, suspending agent, water dispersible granule or water soluble granule. The additive comprises solvent and one of or the mixture of latent solvent, emulsifying agent, dispersant, humectant, anti-freeze agent, thickening agent, defoaming agent, disintegrant, adhesive andauxiliary carrier.

Provided are a lycoris radiata bulb extractive pesticide and a method for preparing an extractive. Lycoris radiata bulbs can be manufactured into the lycoris radiata bulb extractive pesticide in forms of missible oil, microemulsion, wettable powder and the like through certain processing procedures. The lycoris radiata bulb extractive pesticide has good insecticidal ovicidal activities to tetranychus, plutella xylostella, vegetable aphides, armyworms and pine wood nematodes and protective effect in fields and woodlands. The pesticide is remarkable in effect, low in toxicity and residuals, simple in preparing process, low in cost and suitable for popularization and application and accords with the development tendency of existing pesticides, and pests do not easily produce drug resistance.

The invention relates to weed control foliar herbicide compositions in a paddy field, which are three foliar herbicide compositions for eliminating weeds in the paddy field. The three foliar herbicide compositions are the composition of mesotrione and metamifop, the composition of mesotrione and cyhalofop-butyl and the composition of mesotrione and penoxsulam respectively. The single use of the existing herbicide in the paddy field has the limited weed-killing spectrum and can not control all the weeds in the paddy field, and a complex product has poor safety or a narrow using cycle or resistance to the weeds in a water field, thereby limiting the popularization and the applications of the complex product. The three herbicide compositions provided by the invention can overcome the defects and control all the weeds in the paddy field; furthermore, the three herbicide compositions have broader using cycle, no resistance to the weeds in the water field and good safety to paddy rice and succeeding crops.

The invention relates to a seedling culturing substrate block and a preparation method thereof. The seedling culturing substrate block provided by the invention comprises Eupatorium adenophorum as a major ingredient. The major ingredient of the seedling culturing substrate block provided by the invention comprises one or more of Flaveria bidentis, Mikania micrantha, Eupatorium odoratum, guayule, Cenchrus Paciflorus and Solanum rostratum, and the content of the major ingredient is 20-50 wt%; the major ingredient comprises peat or vermiculite, and has the content of 50-80 wt%; and the auxiliarymaterial comprises a nutrient ingredient and a regulator, and has the content of 1-2 wt%. By using the seedling culturing substrate block provided by the invention, nutrients needed by plant growth and contained in a conventional seedling culturing substrate can be provided; meanwhile, roots of seedlings can be promoted to grow and the survival rate of plant breeding is increased because the Eupatorium adenophorum is added to the raw materials.

The present invention discloses a duck cultivation method using rice fields. The method comprises the following steps: selecting small and medium-sized ducks with exuberant vitality, wide adaptability and crude feed tolerance; carrying out centralized brooding of ducklings under good breeding management condition; feeding the ducklings with feed until the duck weight reaches 75 g or more; timely dispersing the ducklings to a rice field in an appropriate density in conjunction with rice growth time; and feeding the ducklings with reasonable feed at a specified time point. The duck cultivation method disclosed by the present invention can effectively control the damage of pests in the rice field, promotes ecological balance, controls pesticide pollution, ensures good agricultural environment, promotes rice yield increase, reduces agricultural cost and increases framer income, so that pollution-free and safe rice and duck meat are simultaneously produced in limited space of the rice field.

The invention discloses a technique for the artificial propagation of apriona dastarcus helophoroides and the prevention and treatment of apriona swainsoni hope. The technique comprises the following steps that: firstly, breeding and induced spawning are carried out to the imago of apriona dastarcus helophoroides in an environment with the environmental temperature at 251 DEG C and the humidity of 602%; after an egg is hatched into the larva of the dastarcus helophoroides, the larva is inoculated on a substituted host and becomes the imago by development and emergence eclosion; the imago or the egg of the shoulder apriona dastarcus helophoroides can be released to prevent and treat apriona swainsoni hope and can be prepared into an egg releasing card or an imago releasing bag for releasing or cold-storage standby; a favourable preventive treatment effect can be achieved after releasing; and by releasing the apriona dastarcus helophoroides in the same year, the parasite rate of the larva and the pupa of the apriona swainsoni hope reaches 65.7%. By utilizing the biological preventive treatment technique of the invention, the apriona swainsoni can be effectively prevented and treated, the injury of the apriona swainsoni hope is controlled, injurious insects are effectively controlled under the premise that the environment is protected and the ecological balance is maintained, and the preventive treatment problem that the important forest and garden injurious pest has great harm and is very difficult to be prevented is solved.

The invention discloses a novel three-dimensional compound planting method for an ecological tea garden. Overshadowing trees are planted suitably to reach a shading coefficient of 20 to 30 percent on the two sides of a road of the tea garden and around the tea garden. Green manure is planted between rows and in open spaces of the tea garden. Poultries are stocked, and stocking density is 50 to 100 chickens per mu. A balance relationship between the natural environment and animals, plants and microorganisms is used for the symbiotic cooperation of many kinds of animals and plants and the contradictive and supplemental balance of many kinds of insects in a food chain to realize the virtuous circle of a biologic chain. Energy and substances such as soil productivity, sunlight and water are fully used for realizing a multilevel green protection ecosystem, controlling water and soil loss, preventing pest and disease damage, preventing the use of chemical pesticides in the tea garden, solving the problem of pesticide residues on tealeaves and ensuring the yield and quality of the tealeaves.

The invention discloses a method for preparing a bisphenol compound antioxidant product by using an organic acid catalyst. A closed reactor is adopted, water is used as reaction solvent, a liquid organic acid catalyst is selected as a catalyst, and the bisphenol compound antioxidant product is generated through the condensation reaction of dialkyl phenol and aliphatic aldehyde. The liquid organicacid catalyst is one or a mixture of more of long-chain alkyl benzene sulfonic acid, long-chain dialkyl benzene sulfonic acid, long-chain alkyl diphenyl ether disulfonic acid and long-chain dialkyl diphenyl ether disulfonic acid and aliphatic hydrocarbon of C6 to C10 or aromatic hydrocarbon of C6 to C8 in a mass ratio of 1: 0.1-1.0. The dosage of the liquid organic acid catalyst is 7 to 30 percent by mass of dialkyl phenol; the mass ratio of the water to the dialkyl phenol is 2-5:1; and the molar ratio of the aliphatic aldehyde to the dialkyl phenol is 0.45-0.60: 1. The reaction pressure is 0to 0.1MPa, the reaction temperature is 60 to 95 DEG C, and the reaction time is 4 to 7 hours. The raw material variety used by the method is reduced, and the production efficiency is improved; and the method avoids using sulfuric acid and hydrochloric acid with stronger corrosion on the equipment.

The present invention discloses a method for shortening seedling raising time limit of uncaria rhynchophylla seeds. The method comprises the following operation steps of: manufacturing a seedling disc; preparing an uncaria rhynchophylla seedling raising biological substrate; preparing a nutrient solution; selecting a seedling culturing field; constructing and disinfecting a seedling raising shed; treating the seeds; disinfecting and sterilizing the seedling raising shed, a pool and the disc uniformly scattering the seedling raising substrate on the seedling disc; sowing the seeds; carrying out after-sowing management in the shed; carrying out nutrient and water management; enabling the quantity of germchits on the seedling disc to be uniform and enabling the growth vigor to be consistent; hardening seedlings: carrying out seedling hardening by adopting water cut-off, ventilation and solarization methods; and enabling the seedlings to germinate. By virtue of the method disclosed by the present invention, the seedling raising time limit of the uncaria rhynchophylla seeds is effectively shortened and the seedling germination quantity is increased; and the seedling germination survival rate is improved and the production cost is greatly reduced.

A reduced instruction set pipelined processor having an instruction fetch stage, an instruction decode stage, an executive stage and a write back stage and programmed with a single program which is structured to implement a function performed by a finite state machine. Only read after write data hazards exist in said processor, and these data hazards are eliminated by a forwarding unit in said executive stage which does an address comparison between the executive and write back stages and decides if a data hazard exists in accordance with predetermined logic. If a data hazard exists, suitable control signals are generated to control switching by multiplexers to supply operands to said ALU from said forwarding unit so as to eliminate said data hazards. Pipeline stall control hazards are reduced by inserting useful delay-slot instructions following at least some branch instructions in said program.

The invention discloses a synergistic herbicidal composition. The synergistic herbicidal composition is prepared from the following components in percentages by weight: 5% to 60% of effective constituents, 2% to 8% of a safener, 5% to 30% of an addition agent and 5% to 80% of a solid filler or a liquid thinner, wherein the first effective constituent is penoxsulam; and the second effective constituent is any one of dichloroquinoline oxadiazon, propanil, molinate, diuron, orthosulfamuron, trifloxysulfuron sodium, clopyralid, prometryn, metolachlor, cloransulam-methyl, pyroxsulam, flumioxazin, saflufenacil and isoproturon. The weight ratio of the first effective constituent to the second effective constituent is 1: 10 to 10: 1. The synergistic herbicidal composition has the technical effects of economy, high efficiency and high safety, the comprehensive control effect for gramineous weeds, broadleaf weeds and cyperaceae weeds is improved, and particularly the control synergism effect for gramineous weeds is extremely obvious.

The invention provides an identity traceable Sybil attack detection method in an Internet of Vehicles environment, and belongs to the technical field of Internet of Vehicles security. According to thetechnical scheme, the Sybil attack detection method with the traceable identity in the Internet of Vehicles environment comprises the following steps of system initialization, Sybil attack discovery,malicious node positioning and attacker identity tracing. The method has the advantages that under the condition that the Sybil attack is detected, a concise method is designed to achieve positioningof the position of the attacker, and the real identity of the attacker is traced according to the positioning information.

The invention discloses an aerated concrete block. The aerated concrete block is prepared from, by weight, 40-60 parts of coal ash, 30-40 parts of levigated quartz powder, 20-30 parts of desulfurized gypsum, 10-30 parts of talc powder, 10-20 parts of sepiolite powder, 5-15 parts of activated silicon material, 15-25 parts of lime, 5-10 parts of mica powder, 2-8 parts of lightweight ceramsite, 5-15 parts of quartz sand, 3-8 parts of gypsum, 5-15 parts of asbestos powder, 4-10 parts of glass fibers, 3-10 parts of aluminum powder, 2-6 parts of an air entraining agent, 1-5 parts of a foam stabilizer, 3-8 parts of a foam homogenizing agent and 60-80 parts of deionized water. The aerated concrete block meets requirements on heat insulation, energy saving and high strength, and a preparation method of the aerated concrete block is simple, convenient and suitable for industrial production.

The invention relates to a method for low-temperature synthesis of a polycarboxylate water reducer by using isoamyl alcohol polyether, belonging to the technical field of water reducer preparation. The method comprises the following steps: by adopting isoamyl alcohol polyether and acrylic acid as raw materials, firstly forming an isoamyl alcohol polyether solution by dissolving isoamyl alcohol polyether into deionized water under heating conditions, respectively dropwise adding an acrylic acid aqueous solution and a mixed solution of a mercaptan type water-soluble chain transfer agent and a free radical type initiating agent into the isoamyl alcohol polyether solution, adjusting the temperature of a system, then performing copolymerization, and adding an alkaline regulator to obtain a finished polycarboxylate water reducer. A technical scheme disclosed by the invention has the advantages of high monomer utilization rate, more effective components of the water reducer, low cost and the like.

The invention provides a synergetic weeding composition containing thiencarbazone-methyl and pinoxaden. The synergetic weeding composition is characterized by comprising active components A and B, wherein the component A is thiencarbazone-methyl and pinoxaden; the component B is selected from one or combination of one or more of flufenacet, diflufenican, fluroxypyr and derivatives thereof, carfentrazone-ethyl, flumetsulam, isoproturon, flurtamone, tralkoxydim, thifensulfuron-methyl, foramsulfuron, pyrasulfotole, bromoxynil octanoate, MCPA-2ethylhexyl ester, F4050, SL-1201 and F9600. The synergetic weeding composition also comprises additives used for processing pesticide preparations. The synergetic weeding composition can be prepared into a conventional pesticide preparation and can be used for controlling unwanted plants.

The invention relates to a solar insecticidal lamp. A lamp cover is connected with a lamp holder through supporting frame rods, a bulb is mounted at the center of the bottom of the lamp holder, a helical insulating tube is arranged under the lamp holder and outside the bulb, a high-voltage screen is arranged on the helical insulating tube, the insulating tube and the high-voltage screen are mounted between the lamp holder and a base, an attractant box is arranged in the base, a fixed connecting rod is arranged on the top of the lamp cover, and a solar panel is mounted between the lamp cover and the fixed connecting rod. The solar insecticidal lamp uses attractant coupled with light and the high-voltage electric screen to lure and kill injurious insects; by organically integrating insect-killing light and luring smell and sex hormone together and utilizing the interaction between the phototaxis and chemotaxis of injurious insects to lure and kill injurious insects, the solar insecticidal lamp can effectively trap a variety of injurious insects to monitor the occurrence regularity of the injurious insects, increase the trapping rate and broaden the range of trapped varieties, meanwhile, the solar insecticidal lamp can serve as a physical control means to control the harm of injurious insects, pesticides are not used, consequently, the dosage of pesticides in comprehensive injurious insect control is reduced, the environment is protected, energy is saved, the cost is saved, and the effect is enhanced.

The invention provides a buprofezin contained pesticide composition, which is prepared by the buprofezin hexaflumuron, indoxacarb, imidacloprid acetamiprid or pesticides, such as the remaining ingredients, complemented by conventional solvents, emulsifiers and synergist. The composition of the invention compounds different mechanisms of insecticide mixed together to expand the spectrum of prevention, one application, we can effectively combat a wide range of pests, can replace highly toxic pesticides, the role of various mechanisms, efficient broad-spectrum, low-characteristics of drugs to achieve a multi-drug administration and an effective solution to the resistance of rice pest problems.