399results about How to "Increased site of action" patented technology

The invention relates to a preparation method of covalent organic framework composite microspheres with core-shell structures. The method comprises the following steps: dissolving silicon dioxide microspheres, a first construction element and a second construction element in an organic solvent; and after adding a catalyst, rapidly synthesizing into the composite microspheres with core-shell structures at a certain temperature. In a preparation process, reaction conditions are gentle, the method is simple, and the yield is high; the prepared covalent organic framework composite microspheres have the advantages of good core-shell morphology, high specific surface area, ordered pore structures, good mechanical stability, thermal stability, chemical stability and the like, if the microspheres are used as a chromatographic stationary phase, the chromatographic mass transfer resistance can be reduced effectively, the theoretical plate height is improved, and finally, column efficiency and degree of separation are improved; and if the microspheres are used as solid-phase extracting filler, the enrichment effect can be improved remarkably. The covalent organic framework composite microspheres with core-shell structures have good application prospects in the aspect of separation and enrichment of small organic molecules.

The invention relates to a sterilization compound containing ZJ0712. The effective components comprise ZJ0712 (A) and any one (B) selected from spiroxamine and famoxadone, wherein the weight ratio of A to B is 100:1 to 1:100, and the weight percentage of the active component in the compound is 10-80 percent. The compound can be prepared into any preparation allowable in agriculture, and better preparation forms include suspending agent, wettable powder, water dispersible granules and the like. The sterilization compound is suitable for farmlands, orchards and the like and is used for preventing and treating multiple plant diseases of powdery mildew and rust diseases of crops such as corns, vegetables, fruit trees, flowers and the like.

The invention relates to a botanical fungicide and the preparation method thereof, which relate to a fungicide and the preparation method. The invention solves the shortcomings of the existing fungicide in severe environmental pollution and resistance due to long-term use. The botanical fungicide of the invention is made from stellera chamaejasme, liquorice, aconite and radix sophorae falvescentis. The method of the invention comprises the steps of: 1. weighing and mixing the stellera chamaejasme, liquorice, aconite and radix sophorae falvescentis; 2. leaching the ethanol; 3. filtering; 4. distilling; 5. moist heat sterilization. The botanical fungicide of the invention has the advantages of innocuity, low residuals, small dosage, no pollution, no resistance, strong bacteriostatic activity, high selectivity, diversified raw material sources, easy match with other biological pesticides, etc. The method of the invention has the advantages of simple process, and low cost. Compared with the chemical agent, the Chinese herbal medicine fungicide has the advantages of many active sites, long agent duration, high degradation speed, small pollutions to the environments, etc.

The invention belongs to the technical field of agricultural insecticides and particularly relates to a pesticide composition for preventing and treating striped flea beetles. The pesticide composition comprises the effective components of dinotefuran and pyridaben. The composition further comprises a surfactant and/or other functional axillaries and can be prepared into dosage forms such as a suspending agent, wettable powder, a water dispersible granule, emulsion in water, missible oil and the like, wherein the effective components consisting of dinotefuran and pyridaben account for 10-80% of the total weight. The composition is low in toxicity and high in efficiency, and the insecticidal spectrum is expanded. The composition particularly has excellent insecticidal activity on striped flea beetles. Generation of resistance to drugs is delayed, the lasting period is prolonged and the environmental pollution is reduced while the dosage is reduced, and the composition is safe and free of pesticide hazard to plants.

The invention relates to preparation and an application of core-shell type magnetic metal organic framework nano-particles. The preparation comprises specific steps as follows: (1), a nano substrate with superparamagnetism is prepared; (2), carboxyl modified magnetic nano-particles are prepared; (3), 100-200 mg of carboxyl modified magnetic nano-particles prepared in the step (2) are dispersed in 5-10 mL ethanol solution containing 10 mmol L<-1> FeCl3.6H2O and are left to stand for 15-20 min at the room temperature, the obtained nano-particles are washed by ethanol for 2-3 times, and FeCl3*6H2O which is not adsorbed is removed; the magnetic nano-particles are dispersed in 5-10 mL ethanol solution containing 10 mmol L<-1> 1,3,5-trimesic acid and left to stand for 30-60 min at the temperature of 70 DEG C; the operation is performed circularly for 10-40 times, the obtained magnetic nano-particles are subjected to vacuum drying for 12-24 h at the temperature of 150 DEG C, and accordingly, the core-shell type magnetic metal organic framework nano-particles are obtained. By means of a pore structure and a large quantity of Fe<3+> ions, acting sites of a material and phosphoeptide are greatly increased, and selectivity, limit of detection and enrichment capacity of the material are improved.

The invention relates to a sterilizing composition containing active ester, which comprises effective components such as active ester (A) and a strobilurin bactericide (B), wherein the strobilurin bactericide is chosen from azoxystrobin, kresoxim-methyl, pyraclostrobine, metominostrobin, dimoxystrobin, trifloxystrobin, picoxystrobin, fluoxastrobin, enestroburin, 2-[2-(2,5-phenoxy-dimethyl) phenyl-methyl-3- methoxy acrylate (ZJ0712) or 2-imino-methyl-N-methyl-2-[[[[[[4-(2,6-dimethyl)phenyl]-3-butylene-2-yl]imino]epoxide]phenyl]amide (SYP-1620), the weight ratio of the A and B is 100:1-1:100, and the content of the active component in the composition is 5-80 in percentage by weight. The composition can be prepared into suspending agents, wetting powder, water dispersible granules, and the like. The sterilizing composition can be applied to farmlands, orchards and the like and is used for controlling various plantdiseases of grains, vegetables, fruit trees, flowers, and the like, in particular powdery mildew and downy mildew.

The invention especially relates to a hyper-branched polymer multifunctional sewage treating agent and a synthetic method thereof, belonging to the technical field of water treatment. The hyper-branched polymer molecular skeleton and molecular terminal of the hyper-branched polymer multifunctional sewage treating agent contain a great number of function groups capable of realizing integrated removal of heavy metal ions, suspensions, colloids, floating oil, etc.; and a hyper-branched polymer core is an organo-silicone structure which has low surface energy, can be easily positioned on the surface interfaces of solid suspension particles and colloidal solutions and is capable of reducing water content of produced floccules.

The invention relates to application of a multifunctional plant-source bactericide to control iris tectorum fusarium basal rot. The plant-source bactericide is prepared from the following composition in parts by weight: 0.5-2 parts of radix stellerae chamaejasmes, 3-5 parts of artemisia carvifolia, 0.7-2 parts of artemisia annua, 0.3-1 part of cinnamomum camphora, 1-3 parts of tobacco leaf, 0.8-1.6 parts of glycyrrhiza uralensis, 1-3 parts of fruit of Chinese sumac, 3-5 parts of galla chinensis, 0.5-2 parts of radix sophorae flavescentis, and 0.2-0.6 part of a synergist. The plant-source bactericide has the advantages of no toxicity, low residue, no pollution, no drug resistance, relatively strong bacteriostatic activity, high selectivity and wide raw material source.

The invention discloses a sterilization composition which contains tetraconazole and azoxystrobin, wherein the weight ratio of the tetraconazole and the azoxystrobin is 80:1-1:80; the total weight percentage content of active ingredients is 1-80%, and the balance of auxiliary element which allowed to be used in or can be accepted by pesticide. The sterilization composition can be used for controlling diseases of multiple cereal crops, melons and fruits as well as vegetables caused by oomycetes, ascomycetes, basidiomycetes, imperfect fungi and the like, and has important functions such as synergy, delayed drug resistance, reduced cost, expanded prevention and treatment spectrum and the like.

The invention belongs to the technical field of agricultural insecticides, and particularly relates to a Dinotefuran/Spirotetramat compound insecticidal composition. The effective ingredients are Dinotefuran and Spirotetramat in a weight ratio of 3:1-1:3. The Dinotefuran/Spirotetramat compound insecticidal composition is composed of the effective ingredients with different action mechanisms, so that the action sites are increased, thereby being beneficial to overcoming and postponing the generation of insecticide resistance of insects, and widening the insecticidal spectrum; and the invention greatly enhances the insecticidal effect, has the advantages of long preventive effect time and lower consumption of effective ingredients in the field, lowers the production and use cost, and reduces the insecticide residue and environmental pollution.

The invention relates to application of a multifunctional plant-source bactericide to control iris tectorum gray mold. The plant-source bactericide is prepared from the following compositions in parts by weight: 0.5-2 parts of radix stellerae chamaejasmes, 3-5 parts of artemisia carvifolia, 0.7-2 parts of artemisia annua, 0.3-1 part of cinnamomum camphora, 1-3 parts of tobacco leaf, 0.8-1.6 parts of glycyrrhiza uralensis, 1-3 parts of fruit of Chinese sumac, 3-5 parts of galla chinensis, 0.5-2 parts of radix sophorae flavescentis, and 0.2-0.6 part of a synergist. The plant-source bactericide has the advantages of no toxicity, low residue, no pollution, no drug resistance, relatively strong bacteriostatic activity, high selectivity and wide raw material source.

The invention discloses a bactericidal composition containing (A) kresoxim-methyl phenylate and (B) propineb or dimethomorph, wherein the weight ratio of (A) and (B) is 50:1 to 1:80, and the total weight percentage of the two active components in the composition is 1-80%. The composition can be used for preventing and treating diseases of crops such as fruit and vegetable, and has the advantages of wide application range, low cost, good effect and the like.

The invention belongs to the technical field of agricultural insecticides, and especially relates to an insecticidal composition containing dinotefuran and abamectin, wherein the weight ratio of dinotefuran to abamectin is 1-90:90-1. The insecticidal composition provided by the invention has the characteristics of small resistance risk, low cost, good drug effect, long persistent period and small environmental pollution, and the effective components of the insecticidal composition comprise dinotefuran and abamectin. The insecticidal composition has the advantages of obvious synergistic effect, greatly-improved drug effect, production and use cost reduction, reduction of the insecticidal residual and the environmental pollution, and benefiting for overcoming and delaying of the pest resistance generation. The insecticidal composition can be processed to prepare a water dispersible granule, a wettable pulvis, a granule, an emulsion in water, a water suspension, missible oil or a micro-emulsion to control a plurality of pests harmful to a plurality of crops comprising rice, wheat, cotton, vegetables, fruit trees and the like.

The invention relates to a sterilization compound containing ZJ0712. The effective components comprise ZJ0712 (A) and any one (B) selected from penthiopyrad and mandipropamid, wherein the weight ratio of A to B is 100:1 to 1:100, and the weight percentage of the active component in the compound is 5-80 percent. The compound can be prepared into any preparation allowable in agriculture, and better preparation forms include suspending agent, wettable powder, water dispersible granules and the like. The sterilization compound is suitable for farmlands, orchards and the like and is used for preventing and treating multiple plant diseases of downy mildew and epidemic diseases of crops such as corns, vegetables, fruit trees, flowers and the like.

The invention discloses sterilizing combination. The combination comprises the following effective constituents: mandipropamid (A) and cyazofamid (B), with the mass ratio of 1:60 to 60:1. The combination has obvious synergistic effect and high control effect, is suitable for controlling various diseases on fruits and vegetables, and is particularly suitable for controlling downy mildew.

The invention relates to an application of multifunctional botanical fungicide in preventing and treating iris tectorum crown rot. The botanical fungicide comprises the following components in parts by weight: 0.5-2 parts of stellera chamaejasma, 3-5 parts of sweet wormwood, 0.7-2 parts of artemisia annua, 0.3-1 part of cinnamomum camphora, 1-3 parts of tobacco leaves, 0.8-1.6 parts of liquorice, 1-3 parts of Chinese sumac fruit, 3-5 parts of Chinese gall, 0.5-2 parts of radix sophorae flavescentis and 0.2-0.6 part of synergist. The botanical fungicide provided by the invention has the advantages of no toxicity, low residue, no pollution, no medicine resistance, relatively high bacteriostatic activity, high selectivity and wide raw material sources.

The present invention provides a sterilization composition for preventing and controlling plant diseases caused by rhizoctonia, wherein the sterilization composition contains thifluzamide and fludioxonil according to a mass ratio of 20:1-1:20. The present invention provides a sterilization agent containing the sterilization composition. The sterilization agent and the sterilization composition of the present invention can be used for preventing and controlling rice sheath blight, brown patch disease, wheat sharp eyespot and vegetable drooping disease.

The invention relates to a pesticide composition and particularly relates to a sterilization composition which is used for controlling powdery mildew, anthracnose, late blight, brown blotch and banded sclerotial blight in agriculture. The sterilization composition contains active ingredients including difenodiconazole and pyraclostrobin. Compared with the single preparation, the sterilization composition has an obvious synergistic effect on agricultural diseases and is beneficial to overcoming and delaying the production of bacteria resistance.