58results about How to "Many sites" patented technology

The invention discloses a graphite phase carbide nitride nanosheet / ZiF-67 lamellar structure composite material, and a preparation method and application thereof. The preparation method comprises the steps of adopting a stripped graphite phase carbide nitride nanosheet, metal and an organic ligand as raw materials, and directly reacting at normal temperature to prepare the graphite phase carbide nitride nanosheet / ZiF-67 composite material with a lamellar structure. The graphite phase carbide nitride nanosheet / ZiF-67 lamellar structure composite material provided by the invention is simple in process and low in cost; compared with a pure two-dimensional carbide nitride nano material, ZiF-67 sheets in the composite material obtained by the invention are uniformly attached onto the carbide nitride nanosheet, so that the specific surface area of the material and a screening ability on a catalyzed substrate can be effectively improved, and the composite material has much high-efficient photocatalytic performance, and can be used for carrying out photocatalytic reduction on carbon dioxide.

The invention provides a Beidou space-based high-precision real-time positioning method. The method comprises the following steps: firstly, generating difference revised data, then generating a difference broadcast telegraph text, adopting two pseudorandom sequences to generate a short precise code, and conducting spectrum spread and carrier modulation on the difference broadcast telegraph text and the short precise code so as to generate a difference broadcast signal; a user positioning terminal combines difference broadcast data of the difference broadcast signal and Beidou navigation satellite observation data to conduct positioning calculation so as to realize high-precision real-time positioning. The method can effectively realize decimeter-degree high-precision real-time positioning in the coverage area of a geosynchronous orbit satellite, and quickly improves and enhances the positioning service performance of a Beidou satellite navigation system.

The invention relates to a compound synergistic bactericidal composition for preventing and curing main diseases of tomatoes and pear trees, and an application of the composition. The active components of the pesticide composition comprises adepidyntm and an active component B, wherein the active component B comprises one selected from a group consisting of strobilurin fungicides, an ergosterol synthesis inhibitor, substituted aniline fungicides and bacillus subtilis BAB-1. The pesticide composition provided by the invention is applied in preventing and curing main diseases of tomatoes and pear trees such as grey mold, early blight, leaf mold, grey leaf spot, Venturia inaequalis, ring spot, black spot and the like, has a good fast-acting property and persistence, has a novel action mechanism, has many sites, can effectively delay the generation and development of drug resistance of pathogenic bacteria, and not only has protection effects against diseases, but also has good curing effects. The compound synergistic composition has less pesticide usage amount, and effectively reduces pollution on fruits and environment by drugs.

A substrate for use in an inline IC package is designed such that its die attach pad and leads each have a number of protrusions and recesses. These protrusions and recesses create an irregular surface that provides better adhesion to encapsulant material than conventional leads and die attach pads, whose smooth, straight surfaces risk delamination of the encapsulant material.

This invention discloses one self machine to provide common platform for aviation company and to realize traveler high quality service and to save aviation industry cost, which comprises the following parts: one shell, one display module above shell, one input module on shell front cover, one output module on right side of display module, one magnetic card process module down output module, one credential test module down the magnetic card process module, one power module down the test module, one main control computation module down power module and one control module on left side of the main control computation module.

The invention discloses a preparation method and an application of a metal-organic framework compound electrocatalyst. The preparation method comprises the following steps: respectively dissolving tartaric acid, FeCl3. 6H2O and Ni(NO3)2. 6H2O in methanol; mixing above two obtained solutions, and transferring the obtained mixture into a reaction kettle; vertically putting foamed nickel into the reaction kettle, heating the reaction kettle to react, and naturally cooling the reaction kettle; and taking out the foamed nickel, washing the foamed nickel with ethanol, and carrying out vacuum drying.In a three-electrode system, the metal-organic framework compound electrocatalyst is directly placed in an electrolyte as a working electrode to carry out an electrocatalytic water decomposition oxygen evolution reaction. The three-position nanoflower-tartaric acid-iron and nickel bimetal-organic framework compound is formed through one-step wet chemical self-assembling by using the strong coordination capability of tartaric acid and taking the foamed nickel as a substrate, and the has ean xcellent electrocatalytic oxygen evolution activity and a very excellent cycling stability under a highcurrent density.

The invention relates to pesticides, in particular to composite bactericide for controlling fruit and vegetable oomycetes diseases. The composite bactericide consists of active elements, fillers and / or auxiliary agents, which is characterized in that the active elements consist of carboxylic acid amide bactericides and metiram, the weight ratio of the carboxylic acid amide bactericides to the metiram is (1-10):(10-100). The product form of the composite bactericide for controlling the fruit and vegetable oomycetes disease can be wettable powder or water dispersible granules. The composite bactericide for controlling the fruit and vegetable oomycetes diseases is suitable for controlling various oomycetes diseases of the fruits and vegetables, in particular controlling the potato late blight, the cucumber downy mildew, the grape downy mildew, the tomato late blight, the capsicum blight and the Chinese cabbage downy mildew; the composite bactericide has remarkable synergism and more action mechanisms and sites, and can effectively delay the generation and spread of oomycetes pesticide resistance; in addition, the invention has the advantages of wide disease controlling spectrum, high biologic safety, simple preparation method, low cost and remarkable economic benefit.

The invention discloses a method and PCR specificity identifying primers for identifying rhizoma bletillae and adulterants of rhizoma bletillae. According to the specificity identifying primers designed through the specific site PCR technology, the base sequence of the upstream primer BJ-F is shown as SEQ ID NO:1, the base sequence of the upstream primer BJ-R is shown as SEQ ID NO:2, and the length of a target product segment is 508 bp. By means of a PCR amplification reaction system and reaction conditions determined through the primers and the method, true rhizoma bletillae and counterfeit drugs can be identified within a week with 1 g of sample. The method and the primers have the advantages of being easy to operate, quick, accurate and small in sample use quantity, have a unique advantage in the aspect of medicine true and counterfeit drug quick detection, and are beneficial to quick identification of rhizoma bletillae and other traditional Chinese medicine.

The invention relates to a benzovindiflupyr-containing compound synergistic bactericidal composition and application thereof. The pesticidal composition comprises benzovindiflupyr and an active component B as active components, wherein the active component B comprises one of a methoxy acrylate bactericide, a sterol synthesis inhibitor and a biogenic bactericide. The pesticidal composition is applied to control of major diseases of fruits and vegetables, has good quick-acting and long-lasting properties, has a novel acting mechanism and many sites, can effectively delay occurrence and development of the pesticide resistance of pathogenic bacteria, and not only has a disease protection effect, but also has a good therapeutic effect. Compared with a single preparation, the compound synergistic composition has the advantages as follows: the dosage is significantly reduced, and pollution of the pesticide to the fruits and the environment is effectively reduced.

The invention discloses a preparation method and application of a boron nitride loaded Ni-MoOx nano catalyst. The preparation method comprises the following steps: preparing an aqueous solution of hexagonal boron nitride BN, and ultrasonically treating to obtain a uniformly dispersed hexagonal boron nitride BN aqueous solution; adding a NiCl2 aqueous solution into the BN aqueous solution in step I, and continuously stirring to obtain a mixed solution A; adding a Na2MoO4 aqueous solution into the mixed solution A, and continuously stirring to obtain a mixed solution B; adding 20-60 mg of sodiumborohydride NaBH4 into the mixed solution B, stirring for 5-15 minutes to perform reduction reaction, thereby obtaining the boron nitride loaded Ni-MoOx nano catalyst. The preparation method adopts aone-step quick reduction method to synthesize the boron nitride loaded Ni-MoOx nano catalyst, can be completed at room temperature and has the advantages of being short in synthetic time, simple andconvenience in operation and the like; the synthesized Ni-MoOx / BN catalyst can be used for catalyzing decomposition of hydrazine borane water solution 323K to produce hydrogen and the catalyst still has a 100% conversion rate in case of not adding any additive, 100% hydrogen gas selectivity, relatively good circulating stability and extremely high catalytic activity.

The invention provides a long-life copper-based composite material, which comprises a copper alloy base material, a porous copper layer, a seed crystal copper layer, spiny copper and a copper oxide layer from bottom to top, the copper alloy is a copper-nickel alloy, spiny copper is formed on the surface of a copper base in a hydrothermal mode, the specific surface area and active sites of an electrode material can be remarkably increased, and the stability of an electrode is good. The obtained spiny copper is not easy to peel off and fall off; and the service life of the catalyst can be prolonged while the high ethylene conversion rate is ensured.

The invention discloses a molecular marker for authenticating zizania latifolia turcz. phenotype characteristics, and application and an acquisition method thereof, and belongs to the technical fieldof the molecular biology. The molecular marker for authenticating zizania latifolia turcz. phenotype characteristics comprises UeG1, UeG2, UeG3, UeG4, UeG5 and UeG6. Through a SNP (single nucleotide polymorphism) marker, grey zizania latifolia turcz. is screened, normal zizania latifolia turcz. can be selected in advance, a workload is reduced, and screening efficiency is improved.

The present invention aims to provide a method for synthesizing "fish scale-like" graphite phase nitrogen carbide nanosheets / cobalt tetroxide nanosheet composite materials, and belongs to the technical field of material preparation and catalysis. The composite material is made of functionalized graphite phase carbonized nitrogen and metal cobalt salt as raw materials, and is prepared by hydrothermal method at high temperature. The morphology of the fish scale-shaped two-dimensional nitrogen carbonate nanosheet / cobalt tetroxide nanosheet composite material prepared by the present invention is that the surface of the two-dimensional nitrogen carbide nanosheet is uniformly grown with scaly cobalt tetroxide nanosheet nanocomposite material, which is different from the traditional simple two-dimensional carbonic acid nanosheet nanocomposite material. Compared with other materials, it effectively improves the material's specific surface area and screening ability for catalytic substrates, and has more efficient photocatalytic performance. The invention has the advantages of simple process, low cost and high catalytic efficiency, and the prepared material has efficient carbon dioxide reduction ability. Therefore, it has good application prospects in photocatalytic fields such as environmental restoration and elimination of greenhouse gases.

The invention discloses a compound bactericide and a preparation method thereof. The compound bactericide disclosed by the invention is composed of an active component, a filling material and an assistant agent, wherein the active component is composed of triazole bactericide tebuconazole and benzimidazole bactericide carbendazim; and the compound bactericide is capable of effectively preventing and treating branch fungal diseases, such as valsa ceratosperma and macrophoma kawatsukai. The compound bactericide disclosed by the invention has the obvious synergistic effect of preventing and treating valsa ceratosperma fungal diseases; the removing effect of X% of DW paste is up to 100% within 120 days; the effect is obviously higher than that of single preparation; the compound bactericide has good fast-acting property and good durable effect and more action mechanisms and acting sites, and is capable of effectively delaying generation and development of drug resistance of pathogenic bacteria; and in addition, the compound bactericide disclosed by the invention adopts a simple preparation process, and is low in cost, obvious in economic benefit, wide in disease prevention spectrum and high in biological safety.

The invention discloses an efficient method for in-vitro evolution of serine hydroxymethyltransferase. The method comprises the following steps: performing PCR amplification on serine hydroxymethyltransferase genes of multiple resources, performing in-vitro low-energy ion injection on the serine hydroxymethyltransferase genes of multiple resources so as to establish a carrier, transforming a recipient bacterium, screening high-activity serine hydroxymethyltransferase strains and sequencing. The method has the beneficial effects that a low-energy ion radiation technique is adopted, low-energy ions directly act on the serine hydroxymethyltransferase genes of different resources so as to cause in-vitro radiation damage and modification on the serine hydroxymethyltransferase genes, the serine hydroxymethyltransferase genes are further connected with the carrier, the recipient bacterium is transformed, after in-vivo remediation and mutation, a mutant gene library is expressed and screened so as to obtain a serine hydroxymethyltransferase gene, and the in-vitro evolution is accomplished. The method can also be applied to in-vitro evolution of other enzyme molecules.

The invention discloses a preparation method of modified nano cellulose bentonite composite material for treatment of printing and dyeing wastewater. The preparation method comprises the steps of: firstly extracting cellulose of sunflower seed hull by using an acid-extraction alkali-extraction process, and modifying bentonite by using polyacrylamide, so as to enable a part of polyacrylamide intercalated structure to be embedded into sheet layers of bentonite, and further to provide more sites and surface pores, improve the adsorption performance and later progress of a grafting reaction. According to the invention, cellulose is dispersed in urea, then modification of ammonium persulfate and polyacrylamide-modified bentonite is carried out, thus reaction of cellulose chains is initiated bythe ammonium persulfate, hydroxyl on the cellulose chains after reaction initiation is grafted to polyacrylamide, and after grafting polymerization for a certain period of time, amide groups are successfully introduced, so that the composite material with dual effects of adsorption and flocculation is obtained. For treatment of printing and dyeing wastewater, the composite material still maintainsexcellent flocculation performance while has improved decoloring performance, has excellent effect on actual comprehensive treatment of printing and dyeing wastewater, and is worthy of promotion.

The invention relates to a c-KIT somatic mutation gene detecting kit and a detecting method thereof. The kit comprises primers and probes for detecting c-KIT somatic cell gene mutation. The primers and the probes are specifically the primer and the probe for detecting a No. 11 exon of a c-KIT gene, wherein a primer sequence is as shown in SEQ ID NO: 1-6, and a probe sequence is as shown in SEQ IDNO: 7-8; the primer and the probe are used for detecting a No. 9 exon of the c-KIT gene, wherein the primer sequence is as shown in SEQ ID NO: 9-10, and the probe sequence is as shown in SEQ ID NO: 11; the primer and the probe are used for detecting a No. 13 exon of the c-KIT gene, wherein the primer sequence is as shown in SEQ ID NO: 12-14, and the probe sequence is as shown in SEQ ID NO: 15; andthe primer and the probe are used for detecting a No. 17 exon of the c-KIT gene, wherein the primer sequence is as shown in SEQ ID NO: 16-19, and the probe sequence is as shown in SEQ ID NO: 20. Thedetecting kit and the detecting method are far more than similar products in detecting site number, complete in site, high in detecting sensitivity, strong in specificity, high in accuracy, low in cost, and capable of meeting clinical GIST targeted administration c-KIT mutation detection.

The invention discloses a method for carrying out microcontact printing by employing a plane conjugate phthalocyanine-porphyrin coordination compound. The method comprises the following specific steps: with a dichloromethane solution of 5,10,15,20-parachloro-phenyl porphyrin zinc-hexabutoxyphthalocyanine zinc as a printing agent for microcontact printing, transferring a pattern of a PDMS stamp to a polymethyl methacrylate substrate, and adsorbing reduced copper on the substrate to obtain a fine metal pattern. A metal pattern is prepared by taking the dichloromethane solution of 5,10,15,20-parachloro-phenyl porphyrin zinc-hexabutoxyphthalocyanine zinc as microcontact printing ink on the surface of the polymethyl methacrylate substrate which is commonly used in the electron industry, so that the method is available in raw materials, low in cost and stable, and has great potential in industrial application, and a new idea is provided for the microcontact printing industry.

The invention relates to an ammonia modification method of calcium squarate and application thereof in efficient separation of ethylene and ethane. The calcium squarate material is activated for morethan 3 hours under the high vacuum condition of 160 DEG C or above, so that the water molecules in the structure of the calcium squarate material are removed, calcium metal vacancies are exposed, andammonia modification of the calcium squarate material is achieved through modification of ammonia gas. After the calcium squarate material is activated and dehydrated, ammonia gas is used for modifying the structure of the material, so that a saturated adsorption effect is achieved. After a proper amount of ammonia molecules are removed subsequently, 1% of ammonia modification amount is reserved as an optimal modification condition, more adsorption space and sites can be provided for ethylene, and 33% of adsorption amount is increased. When the modified calcium squarate material is used for separating ethane and ethylene, more retention time is achieved, so that the separation performance can be improved by nearly one time.

The invention discloses a compound fungicide and a preparation method thereof. The compound fungicide is composed of active ingredients, fillers and auxiliary agents, wherein the active ingredients are composed of triazole fungicides tebuconazole, benzimidazole fungicides and more. Bacillus composition. It can effectively control fungal diseases of branches such as apple bark rot fungus and apple ring rot fungus. The present invention has a significant synergistic effect on preventing and treating fungal diseases of apple tree rot, and the eradication effect of the X% DW ointment reaches 100% within 120 days, which is significantly higher than that of a single preparation; the compound preparation has good quick-acting and long-lasting effects, and the action mechanism There are many sites, which can effectively delay the occurrence and development of drug resistance of pathogenic bacteria. In addition, the preparation process of the present invention is simple, low in cost, remarkable in economic benefit, broad in disease prevention spectrum, and high in biological safety.

The invention relates to a preparation method of a long-service-life copper-based composite material, spiny copper is formed on the surface of the copper base in a hydrothermal mode, the specific surface area and active sites of an electrode material can be remarkably increased, the electrode stability is good, and the obtained spiny copper is not prone to stripping or falling off; and the servicelife of the catalyst can be prolonged while the high ethylene conversion rate is ensured.

The invention relates to a fungicidal composition for preventing and treating vegetable diseases. The active ingredients of the fungicidal composition include flufenapyr and pyraclostrobin, and the weight ratio of the two active ingredients is (1‑10): (1‑10) , preferably (1-3):(1-3), more preferably 1:1. The fungicidal composition is applied to the prevention and treatment of tomato, potato and cucumber leaf mold, early blight and gray mold. It has good quick-acting and long-lasting effects, novel action mechanism and multiple sites, and can effectively delay the occurrence of drug resistance of pathogenic bacteria It not only has a protective effect on diseases but also has a good therapeutic effect. Furthermore, by adding conventional auxiliary agents in the field to the bactericidal composition to make it into a conventional dosage form in the field, it is more helpful for the active ingredients to exert their medicinal effects. The preparation process of the bactericidal composition is simple, the cost is low, the disease prevention spectrum is wide, the biological safety is high, and the economic benefit is remarkable.

The invention discloses feed capable of improving the immunity of piglets and a preparation method thereof, which andbelongs to the field of feed processing. Energy feed and protein feed are used as main base materials of the feed; and by adding various auxiliary materials, on the premise of not damaging the nutritional ingredients of the feed, the performance of improving the immunity of the feedfor improving the immunity can be improved, the use of antibiotics can also be avoided, and the healthy processing of the meat can be facilitated; and the prepared feed is loose and soft in taste, the energy feed and the protein feed can provide a necessary nutritional base for the growth of organisms, and the cooperation of the additives and the main materials facilitates the growth of the piglets and improves the body immunity of the piglets, and the disease rate can be reduced.

The invention discloses an aqueous zinc-bromine battery, and the battery comprises a positive electrode, wherein the positive electrode is a carbon, metal or nonmetal matrix material modified by a carbon material with a high specific surface area and is used for carrying out an oxidation-reduction reaction of zero-valent bromine and negative monovalent bromine, and the electrode can provide more sites for an active substance, so the improvement of the reversibility of electrode reaction is facilitated, and high loading capacity can be realized; a negative electrode which adopts a metal material capable of being alloyed with zinc or a zinc-loving carbon material and is used for carrying out redox reaction of positive divalent zinc and zero-valent zinc, wherein the electrode material can reduce a nucleation energy barrier of zinc and homogenize a surface electric field, so the reversibility of the reaction is improved and formation of zinc dendrites is avoided; an aqueous electrolyte which is an aqueous solution containing a zinc salt, a bromine salt, a complexing agent and a zinc dendritic crystal inhibitor, wherein the complexing agent and the bromine elementary substance are combined at the positive electrode and exist in a solid form, so that pollution to the negative electrode can be avoided, the battery stability is improved, and the zinc dendritic crystal inhibitor can avoid formation of zinc dendritic crystals of the negative electrode, so the cycle stability of the battery is improved.