59 results about "Cypermethrin" patented technology

The invention provides a composition for luring bactrocera cucurbitae and application thereof, and relates to the technical field of green prevention and control of agricultural pests. The composition comprises the following active ingredients in percentage by weight: 10% of muscovone, 0.1% of heptanal and 0.1% of hexene. The main components of the composition all come from natural plant volatile matters, and the composition is easy to degrade in the natural environment, has no residual risk and is friendly to the ecological environment. Meanwhile, the composition has high safety to bees, pollination insects and other non-target organisms, and ecological side effects possibly brought by traditional chemical attractants are effectively avoided. According to the implementation of the method, an efficient and specific tool is provided for field monitoring of bactrocera cucurbitae populations, the occurrence dynamic of the bactrocera cucurbitae can be accurately mastered, the early warning capability is improved, a new technical path and an implementation basis are provided for promoting green comprehensive treatment of the bactrocera cucurbitae, and the method has good popularization and application prospects.

The invention discloses a hair-raising and protecting series composition for treating alopecia as well as a preparation method and application thereof, and relates to the technical field of medicines, and the composition is prepared from minoxidil, propylene glycol, menthol, betaine, an amino acid compound, glycyrrhizic acid, tocopheryl acetate, hinokiol, pyridoxine, ethanol and purified water. The preparation method comprises the following steps: mixing propylene glycol, minoxidil, menthol and ethanol, adding hinokiol, mixing, adding pyridoxine, an amino acid compound and betaine, mixing, adding tocopheryl acetate and glycyrrhizic acid, and mixing. According to the minoxidil composition, the absorption rate of minoxidil can be increased, the drug resistance of the minoxidil composition after being used for a long time is reduced, and the treatment effect of the minoxidil composition on various types of alopecia patients is effectively improved. The invention solves the problem that minoxidil and hinokiol are difficult to dissolve and easy to separate out, has the advantages of good absorption effect and lasting alopecia treatment effect, effectively improves newborn hair quality and scalp greasy state, and brings new dawn to alopecia patients.

This invention discloses an anaerobic biodegradable masterbatch for cast film of sanitary materials, characterized in that its main components, by mass percentage, include: 0.5-3% cypermethrin, 3-6% copper sulfate, 0.1-0.5% metal inorganic salt coating agent, 1-4% ammonium molybdate, 5-10% PLA, 5-10% nano starch, 1-5% carbamide, 7-12% fumed silica, and the balance being a biodegradable resin carrier. The preparation method includes dispersion treatment, centering treatment, structuring treatment, carrier implantation, and plasticizing granulation. The invention also discloses an anaerobic biodegradable cast film for sanitary materials, comprising the following components by mass percentage: 83.4%-97.13% PE-based cast film substrate for sanitary materials, 1-5% PE wax, 1-7.5% degradation masterbatch, 0.15-0.3% dispersant, 0.02-0.2% antioxidant, 0.2-0.6% white oil, 0.5-3% PE grafted maleic anhydride, and 0.2-2% stabilizer. The manufacturing method includes: material preparation, calcium carbonate pretreatment, melting, filtration, and casting. This invention achieves complete anaerobic biodegradation of PE cast leak-proof and breathable films, and also has antibacterial properties during normal use, making it suitable as a breathable film and base film for disposable sanitary materials.

The invention discloses a supramolecular fluorescent probe as well as a preparation method and application thereof, and belongs to the technical field of nano material application. The supramolecular fluorescent probe is formed by compounding gold nanoclusters and a bovine serum albumin solution, and the concentration ratio of the gold nanoclusters to the bovine serum albumin solution is (1-2): (2-4). The invention further discloses a preparation method of the supramolecular fluorescent probe and application of the supramolecular fluorescent probe. A fluorescent sensing system of the supramolecular fluorescent probe based on the gold nanocluster material and the bovine serum albumin has excellent selectivity and sensitivity on cypermethrin pesticide, interference of other impurities can be effectively avoided, and response is fast.

The invention discloses a killing composition for averrhoa carambola anoplophora chinensis, and belongs to the technical field of agricultural insect pest killing. The killing composition comprises the following effective components: dichlorvos, cypermethrin and thiotraniliprole, and the concentration of each effective component is as follows: the concentration of the dichlorvos is 0.1-2.5 g / L; the concentration of the cypermethrin is 0.005 to 0.1 g / L; the concentration of the thiotraniliprole is 0.1 g / L to 2 g / L. When the pesticide is used for killing carambola anoplophora chinensis larvae, the concentrations of the effective components are as follows: the concentration of dichlorvos is 1g / L; the concentration of the cypermethrin is 0.04 g / L; the concentration of the thiotraniliprole is 0.8 g / L; when the pesticide is used for killing adult averrhoa carambola anoplophora chinensis, the concentrations of the effective components are as follows: the concentration of dichlorvos is 0.5 g / L; the concentration of the cypermethrin is 0.04 g / L; the concentration of the thiotraniliprole is 0.4 g / L. The composition disclosed by the invention consists of dichlorvos, cypermethrin and thiotraniliprole, and has a relatively good effect on killing larvae and adults of averrhoa carambola anoplophora.

This invention provides an extract of *Hedyotis diffusa*, its preparation method, and its uses. When the extract is measured under reversed-phase high-performance liquid chromatography, the peak area A of 6''-malonyl *Hedyotis diffusa* I is... M Peak area A with cypermethrin I B The ratio is less than 0.1, and the peak area A of free kaempferol is... K With A B The ratio shall not exceed 0.15. The preparation method includes: adjusting the pH of the aqueous extract of *Kaempferia galanga* to 11-13.5, and performing alkaline hydrolysis at 25-65°C for 20-60 minutes. This invention utilizes the difference in stability of malonyl bonds and glycosidic bonds under alkaline conditions to achieve the selective conversion of 6''-malonylkaempferol I to kaempferol I, increasing the content of kaempferol I while maintaining the integrity of the glycosidic bonds and inhibiting or controlling the formation of free kaempferol. The resulting extract can be used to prepare anti-inflammatory and antioxidant drugs or health foods.

The present invention belongs to the technical field of pesticides, and specifically relates to an insecticidal composition containing 4-(trifluoromethyl)nicotinamide, and an application thereof. The insecticidal composition includes an active ingredient A and an active ingredient B, wherein the active ingredient A is 4-(trifluoromethyl)nicotinamide, and the active ingredient B is selected from one or more of the following compounds: afidopyropen, formula (I), dimpropyridaz, formula (II), isoflualanam, fipronil, imidacloprid, thiamethoxam, avermectin, acephate and beta-cypermethrin. The composition has features such as reasonable components, good insecticidal effect, low administration cost, reduced application amount, crop safety, and reduced residue.

The application discloses a pesticide detection method for rice based on QuEChERS and ultraviolet-visible spectrophotometry, and takes three pesticides, i.e., bensulfuron-methyl, propanil and cypermethrin, as examples to carry out research on a rapid screening method for multiple pesticide residues in rice. The improved QuEChERS method is used to process rice to obtain a matrix liquid, matrix standard solution and solvent standard solution are prepared, the quantitative linear range of each pesticide and the matrix effect are obtained. In the quantitative concentration range, mixed solutions of the three pesticides in four combinations are prepared, the types of the pesticides in the rice are determined through support vector machine qualitative analysis, and the concentrations of the pesticides are predicted through partial least squares regression analysis, so that the pesticide residues in the rice can be effectively and rapidly detected.

The invention belongs to the technical field of pesticide residue detection, and particularly relates to a method for detecting pyrethroid pesticide residues in agricultural products, which comprises the following steps: firstly synthesizing Ta-CsPbBr3 quantum dots, carrying out double-layer coating on the surfaces of the quantum dots by using ZnS and SiO2, then carrying out amination treatment on the surfaces of the Ta-CsPbBr3 (at) ZnS (at) SiO2 quantum dots, and by using toluene-2, 4-diisocyanate as a linking agent, carrying out double-layer coating on the surfaces of the quantum dots, thus obtaining the pyrethroid pesticide residues in the agricultural products. The preparation method comprises the following steps: bridging sulfobutyl ether-beta-cyclodextrin to the surface of SiO2, so as to prepare the Ta-CsPbBr3 (at) ZnS (at) SiO2-SBE-beta-CD composite material. According to the working electrode constructed by the Ta-CsPbBr3 (at) ZnS (at) SiO2-SBE-beta-CD composite material, the sensitivity and the accuracy of detecting cypermethrin residues in agricultural products are remarkably improved.

The invention belongs to the technical field of environmental sanitation and disinfection, and particularly relates to application of a smoke insecticide containing 5% cypermethrin in preparation of a medicine and a method for disinfecting a scabies environment. The smoke insecticide forms a smoke agent at high temperature, effectively diffuses in a closed space and kills sarcoptic mites, and has the advantages of high efficiency, low toxicity, simplicity and convenience in operation, low cost and the like. The method is especially suitable for crowded places, such as nursing homes and schools, can effectively prevent and control the outbreak and spread of scabies, and guarantees the public health safety.

The invention discloses an efficient prevention and control agent for meadow moth and synergistic application of the efficient prevention and control agent, and relates to the field of prevention and control of meadow moth. A leaf immersion method is adopted to measure toxicity and synergistic effect of insecticide and a mixture of the insecticide and an auxiliary agent on meadow moth moth; the toxicity LC50 of 4.5% beta-cypermethrin EC to the meadow moth moth is 1.9539 mg / L, and the beta-cypermethrin EC can be used for preventing and treating the meadow moth moth; when 4.5% of beta-cypermethrin EC is mixed with Gerberi or Jino, LC50 is 1.2006 mg / L and 1.3193 mg / L respectively, co-toxicity coefficients are 162.74 and 148.10 respectively, and the beta-cypermethrin EC and Gerberi or Jino can play a synergistic role. When 4.5% beta-cypermethrin EC is mixed with Jingol or Jinnol, the mixture can be used for preventing and treating meadow moth damage in meadow, crops, vegetables, fruit trees, flowers and Chinese herbal medicines.

The present invention belongs to the technical field of pesticides, and specifically relates to a pesticide composition for controlling tea geometrids. The pesticide composition for controlling tea geometrids comprises an active ingredient comprising a combination of a chestnut leaf extract and deltamethrin, cypermethrin, or bifenthrin. The combination of the two active ingredients exhibits a synergistic effect against tea geometrids, improving their effectiveness against them and reducing the application rate of existing chemical agents. This helps reduce pesticide residues in tea leaves, effectively preventing excessive pesticide residues in tea production.

The invention relates to the technical field of health and epidemic prevention, and discloses a composite disinfecting and killing agent as well as a preparation method and application thereof. The composite disinfecting and killing agent is prepared from the following components in percentage by mass to volume: 0.14 percent to 0.16 percent of tetramethrin, 0.34 percent to 0.36 percent of permethrin, 1.3 percent to 1.5 percent of menthol, 0.4 percent to 0.6 percent of menthone, a hydrogen peroxide solution with the volume fraction of 6 percent and ethanol with the volume fraction of 80 percent. The preparation method is used for preparing the composite disinfecting and killing agent in the first aspect and comprises the following steps: S100, adding tetramethrin, permethrin, menthol, menthone and a hydrogen peroxide solution into ethanol to obtain a mixed solution; and S200, carrying out ultrasonic oscillation on the mixed solution until the mixed solution is completely dissolved to obtain the composite disinfection agent. According to the application of the composite disinfecting and killing agent, the composite disinfecting and killing agent is applied to port containers so as to disinfect and kill bacteria, viruses and harmful rats. According to the technical scheme, the port container can be safely and efficiently disinfected and killed.

The invention discloses an insecticide composition and a preparation method thereof, and relates to the technical field of pesticide compounding. According to the composition, Oxazosulfyl and beta-cypermethrin are compounded, a multifunctional modified white carbon black composite carrier serves as a carrier, and synergistic interaction is achieved through a micelle-slow release technology. The insecticide composition has quick-acting and persistent control effects on beet armyworms, ostrinia nubilalis, laodelphax striatellus and wheat aphids, is obviously superior to a single agent, and can delay the generation of resistance. The preparation process is simple, various dosage forms such as a suspending agent, an emulsion in water and the like can be processed, and good application prospects are achieved.

This invention relates to the field of chemical technology, specifically to a synthesis apparatus for a cyclohexane intermediate, comprising a protective shell, a reaction vessel housed within the protective shell, a piston disc slidably mounted on the top of the reaction vessel, a hydraulic lifting device mounted on the top of the protective shell, the bottom end of the hydraulic lifting device being fixedly connected to the piston disc, a sleeve for heating or cooling the reaction vessel surrounding the reaction vessel, a cooling unit and a heating unit respectively mounted on opposite sides of the protective shell, the cooling unit and the heating unit being connected to the sleeve, a first control unit and a second control unit symmetrically mounted inside the top of the protective shell, the first control unit and the second control unit respectively controlling the switching on and off of the heating unit and the cooling unit; the lifting and lowering of the piston disc is related to the pressure value of the pressure gauge, the piston disc descending controls the opening of the heating unit via the first control unit, and the piston disc rising controls the opening of the cooling unit via the second control unit.

The invention relates to the technical field of biological medicine, in particular to a pharmaceutical composition for preventing or relieving sperm motor dysfunction caused by fenvalerate, and the pharmaceutical composition comprises N-acetylcysteine and / or cyclosporin A. Based on the discovery that fenvalerate induces rise of reactive oxygen species (ROS) to cause mitochondrial dysfunction and destroy a cAMP / PKA signaling pathway so as to inhibit sperm motility and induce mitochondrial apoptosis. An in-vitro rat sperm model proves that NAC and CsA can effectively reverse sperm motility reduction, ATP / cAMP level reduction, mitochondrial membrane potential dissipation and cell apoptosis caused by fenvalerate. The invention provides a new prevention and treatment strategy for treating male reproductive function damage caused by exposure of pyrethroid pesticides.

The application discloses a nucleic acid aptamer specifically combined with bromocyclen and chlorocyclen, and a screening method and application thereof. The nucleic acid aptamer is named seq-8, and the nucleotide sequence is shown as SEQ ID NO. 1. The application takes bromocyclen and chlorocyclen as targets, and obtains the bromocyclen and chlorocyclen specific aptamer seq-8 through a non-immobilized Capture-SELEX technology. On the basis, a 29 bp nucleic acid aptamer 8-cut is obtained by truncation. The nucleic acid aptamer 8-cut has high affinity to bromocyclen and chlorocyclen, and the Kd values are 0.1394 nM and 0.2974 nM respectively. The aptamer provided by the application has high specific binding capacity to the two kinds of pesticides, and provides an important technical basis for rapid and nondestructive detection of bromocyclen and chlorocyclen in horticultural crops.

The present invention provides a method for simultaneously detecting the residues of fenpyrazone, bispyribac, cypermethrin and fenpyrazone in cereals, which belongs to the technical field of pesticide residue detection. First, the cereal sample is soaked in a formic acid aqueous solution and extracted with acetonitrile; secondly, a hydrophilic lipophilic polymer solid phase extraction column is used for purification, methanol and 0.5% ammonia methanol (v / v) are eluted, and the eluent is concentrated and fixed to volume; finally, it is detected by high performance liquid chromatography-tandem mass spectrometry. The present invention has the advantages of being sensitive and accurate, and can simultaneously detect fenpyrazone, bispyribac, cypermethrin and fenpyrazone in cereals, effectively improving detection efficiency and reducing detection cost.

The present application relates to the technical field of pesticides, and aims to solve the problem of how to improve the insecticidal effect of high-efficiency cypermethrin on aphids resistant to the pesticide, and discloses an active oxygen responsive nano-piperonyl butoxide synergist compound and application thereof in synergizing the control effect of high-efficiency cypermethrin on aphids. The active oxygen responsive nano-piperonyl butoxide synergist compound is composed of PLGA-TK-PEG and piperonyl butoxide loaded therein. Compared with free piperonyl butoxide, the active oxygen responsive nano-piperonyl butoxide synergist has the following advantages: rapid-acting property is enhanced, stability is greatly improved, can be released in response to ROS, has super-high resistance reversal capability, and the synergistic effect with high-efficiency cypermethrin is up to 54.22, and the 7-day control effect on resistant aphids is increased from 61.38% of free PBO treatment to 84.06%. Moreover, the active oxygen responsive nano-piperonyl butoxide synergist can be targetedly delivered, the carrier is biodegradable, PBO is released on demand, and the use amount and environmental residue can be reduced.

A pesticidal emulsifiable concentrate with widened spectrum of action on plurality of pest insects comprising bio-effective synergistic amount of Dimethoate active content particularly in an amount ranging from 15% to 25% weight percent ratio and Cypermethrin active content particularly in an amount ranging from 1.0 % to 10.0% weight percent ratio with respect to the said emulsifiable concentrate, along with particular agriculturally acceptable adjuvants in particular amounts. The present invention is also related to a process for the preparation of said synergistic Emulsifiable concentrate composition and in further use having significant broad agrochemical utility in many crops, without causing phytotoxic damage to any part of the plant, non-toxic and environmentally harmonious &. safe to natural enemies.

The invention relates to application of cypermethrin in prevention and control of monochamus alternatus and interception of propagation of pine wood nematodes. According to the implementation method in the application, the cypermethrin emulsion in water is mainly sprayed to the tail section of withered and dead wood, and the cypermethrin emulsion in water can also be sprayed to branches of a host pinus massoniana in an auxiliary mode. Cypermethrin not only can effectively kill monochamus alternatus larvae in pine wood, inhibit the development of the larvae and eclosion of the monochamus alternatus larvae and block the propagation and diffusion path of pine wood nematode diseases, but also has potential application value in the aspect of treatment of epidemic wood in epidemic disease areas.

The present invention discloses the use of 3-methyl-2-methylaminovaleric acid as a plant harm alleviating agent. The use of 3-methyl-2-methylaminovaleric acid in the preparation of a plant harm alleviating agent, wherein the concentration of 3-methyl-2-methylaminovaleric acid in the preparation is 10 to 1000 nM. The present invention finds that 3-methyl-2-methylaminovaleric acid can effectively alleviate plant harm through seed soaking, thereby increasing plant yield. At a concentration of 10 μM, seed soaking can alleviate the damage of fluazifop-pentyl-carbamate and cypermethrin-acetophenone to rice seeds, thereby strengthening seedlings. At a concentration of 1 μM, 3-methyl-2-methylaminovaleric acid can alleviate the harm of isoproturon to wheat seeds, significantly improving the germination rate, bud length, and root length of wheat seeds. 3-methyl-2-methylaminovaleric acid is easy to use, solves production problems that cannot be solved by traditional agronomy, and saves production costs.

The application belongs to the technical field of land pesticide residue degradation, and particularly relates to a preparation for reducing pesticide residues and application of cladophora in reducing pesticide residues. Scenedesmus obliquus It is found that the cladophora can effectively degrade four typical pesticides of atrazine, thiamethoxam, cypermethrin and nicosulfuron, has wide applicable temperature (such as 5 DEG C to 30 DEG C), short action time, high safety and low cost.

The invention relates to an insecticidal varnish composed of a colourless, water-based acrylic copolymer with a satin finish and very low odour, the aqueous formulation of which contains microcapsules of lambda-cyhalothrin (C23H19ClF3NO3 - alpha-cyano-3-phenoxybenzyl-3-(2-chloro-3,3,3-trifluoropropenyl)-2,2-dimethylcyclopropanecarboxylate) in concentrations ranging from 0.001% w / w to a permitted maximum of 10% w / w, which, when broken by mechanical contact, release the insecticide slowly, gradually and safely, making the surface lethal to insects, with mortality efficacy levels of 100% in 24 hours for the dengue mosquito (Aedes aegypt) and 82.5% in 72 hours for cockroaches (Periplaneta americana).

The present invention relates to uses and methods for combating or controlling mosquitoes, by applying a mixture comprising alpha-cypermethrin and dinotefuran. The mixture is applied in a weight ratio of from 500:1 to 1:500 to said mosquitoes, their habitat, breeding grounds or inside or around human habitation buildings, preferably by spraying an aqueous spray solution.

The present invention relates to a herbicidal composition comprising an active component (A) fluazifop-propyl and an active component (B) selected from the group consisting of oxaziclomefone, oxadiazon, cypermethrin, triazolam, simet-pyraclostrobin, mefenacet, tetrazolam, bispyribac, oxazolidinone, and pyrazosulfuron-methyl, wherein the weight ratio of the active components (A) to (B) is 100:1-1:100. The present invention also relates to the use of the herbicidal composition for controlling the germination or growth of weeds in useful plants selected from wheat, barley, rye, triticale, oats, corn, rice, soybean, peanut, oilseed rape, corolla, potato, sugar beet, sugarcane, cotton, flax, sorghum, forage grass, and lawn; the composition is particularly suitable for controlling the germination or growth of weeds in rice crops.

The present disclosures present an insecticidal composition comprising a combination of active ingredients, Emamectin benzoate, Cypermethrin and Cartap hydrochloride, and methods of preparing and using such compositions. The present disclosure aims to provide enhanced control of a variety of insect pests affecting crops, with a synergistic effect that improves efficacy compared to individual components.

The invention relates to a microencapsulated insecticidal seed dressing or soil disinfectant composition comprising a pyrethroid - typically Tefluthrin or Cypermethrin - as an active ingredient, which has a germination-promoting effect due to the wall and its excipients, and the capsule wall degrades under the influence of the microbiological system of the soil and does not form microplastics.

The invention relates to the technical field of plant cultivation, in particular to a cold-proof and synergistic cultivation method for newly planted banana seedlings, which comprises the following steps: from September 1st to September 30th, transplanting anti-yellowtop banana nutrition cup seedlings with about eight leaves into planting furrows, and covering with a silver black mulching film; before October 15, 200-300 mL of paclobutrazol banana source mixed liquid is applied to robust banana seedlings which newly grow 3-5 leaves for one week, and the paclobutrazol banana source mixed liquid is prepared by mixing 0.2-0.5 g / plant of 25-30% paclobutrazol and 3-7 g / plant of banana source with water; the two opposite ends of a plurality of supporting frames protruding relative to the planting furrows are inserted into furrow furrow surfaces 15-18 cm away from the planting furrows, after mixed liquid composed of 500-700 times of kasuthiadiazole copper, 700-900 times of propamocarb and 2500-3500 times of cyhalofop-methyl is applied to the whole garden, the surfaces of the supporting frames are covered with thin films, and an arched shed is formed. Compared with the prior art, the method has the advantages that by determining the planting and dwarfing treatment time, inserting the arched shed into the furrow surface, delaying the film breaking time of the banana seedlings and applying the pesticide with low yellow leaf rate for film mulching, the risk of weevils damage and bacterial and fungal infection is reduced, and the banana yield is increased.

This invention provides a compound herbicidal composition comprising mesotrione, atrazine, and cypermethrin, which is prepared as a suspension concentrate. By using specific adjuvants, it solves the problems of decomposition of mesotrione and cypermethrin, and crystallization of atrazine. The product is stable for a long time, has a long shelf life, and can also broaden the herbicidal spectrum and improve the herbicidal effect. It can solve the problem of weed resistance to mesotrione single agent and binary compound products.