374results about How to "Improve patience" patented technology

The invention discloses a special organic tea seed cake fertilizer for paddy rice and relates to the technical field of bio-organic fertilizers. The organic tea seed cake fertilizer is prepared by the tea seed cake, bagasse, straw, an EM (effective microorganisms) microbial agent, a strain modifier, a poiser and a seaweed essence. The manufacturing steps comprise mixing of to-be-fermented materials, fermentation, air-curing and drying, pulverizing, mixing, granulation and the like. A product of the special organic tea seed cake fertilizer has the characteristics that the soil structure is improved, the effective microbial community of the soil is increased, diseases are resisted, insects are killed, and the like, and the heavy metal content of rice field soil and paddy rice can be also reduced.

The present invention provides a mutual authentication method capable of securely and easily performing mutual authentication. In the mutual authentication process, a secret key K0 is stored as an initial value in the client and the server. The client generates a random number R, calculates the password data C and authentication data A, and sends them to the server. The server receives authentication data A and password data C from the client and generates a random number R, calculates and sends back password data S and authentication data Q, and updates the hidden key K0 to a new hidden key K1. The client receives authentication data B and password data S from the server and generates a random number R, calculates password data C2 and authentication data A2 and sends a letter back to the server, and updates the hidden key K0 to a new hidden key K1. The client and server check for validity. Furthermore, in the authentication described above, identification information that can be used only once is used as a one-time ID in authentication between a plurality of devices or between applications, and the one-time ID is generated. In each of the devices or applications that perform the above-mentioned authentication, a variable common key that changes for each predetermined communication unit necessary for the above-mentioned authentication is generated, and at the same time, an expression of a one-way function that uses the variable common key as a parameter is obtained. function value.

The invention discloses a method for recovering cadmium polluted soil by combining a compound microorganism bacterium agent with houttuynia cordata. The compound microorganism bacterium agent comprises the following components by count: 1*10<9>-9*10<9>CFU (colony forming unit)/m<3> pseudomonas fluorescens, 1*10<8>-6*10<8>CFU/m<3> actinomyces ruminicola, and 1*10<9>-9*10<9>CFU/m<3> glomus mosseae. The method for recovering the soil comprises the following steps that the houttuynia cordata is planted in cadmium soil and the compound microorganism bacterium agent is inoculated into the soil, or the houttuynia cordata is soaked in the compound microorganism bacterium agent and then planted into the cadmium soil; when branches and leaves of the houttuynia cordata are luxuriant, the branches and the leaves of the houttuynia cordata are harvested; and cadmium in the soil can be removed. The compound microorganism bacterium agent can better improve the tolerance of the houttuynia cordata, promote growth of a plant in the high-cadmium-content soil, improve the absorbility of the plant to cadmium, and enhance a soil heavy metal removal effect. The method for recovering the soil is a safe, environment-friendly, high-efficiency, economical and practical plant-microorganism combined method for recovering the heavy metal polluted soil, and has a significant application value.

The invention discloses a fertilizer capable of controlling rice cadmium accumulation and a preparation method of the fertilizer, and belongs to the technical field of fertilizers. The fertilizer is prepared by the following raw materials based in part by weight: 100 parts of organic matter based on 10% of moisture content, 1-50 parts of sulfur source based on sulfur, 0.1-20 parts of strong base, and water which is 20-100% of the total weight of the organic matter, the sulfur source and the strong base. Compared with the prior art, the fertilizer is economic and effective. The fertilizer can be combined with the traditional sulfur fertilizer application technology, so that peasants can accept the fertilizer, and the operation procedures are easier.

The invention provides a water-borne woodware coating containing a modified polyurethane emulsion and a preparation method thereof. The water-borne woodware coating is composed of the following components: water, a thickening agent, a defoaming agent, a pH regulator, an antifreezing agent, a film-forming auxiliary agent, the modified polyurethane emulsion, a levelling agent, a nano inorganic antibacterial aldehyde removing agent, and water-borne paint inorganic hardening resin. The selected modified polyurethane emulsion includes a self-crosslinkable polyurethane acrylate composite emulsion, a core-shell interpenetrated network-structure polyurethane acrylate copolymer emulsion, a silane coupling agent modified polyurethane acrylate composite emulsion, and an epoxy resin modified polyurethane emulsion. The plurality of emulsions are added to the water-borne woodware paint, and thus the coating has the properties of high hardness and adhesion force, and good water resistance, alcohol resistance and pollution resistance; the selected nano inorganic antibacterial aldehyde removing agent has the effects of environmental protection, safety, no toxicity, and long-term bacterial resistance; and the selected water-borne inorganic hardening resin is used for improving the hardness, the adhesion force and the chemical resistance of the water-borne paint.

The invention discloses a city safety island based on pedestrian and non-motor vehicle separation, which comprises an island body, wherein the island body is in a triangular shape, the middle part of the island body is provided with a pedestrian waiting area in the island, both sides of the pedestrian waiting area in the island are provided with non-motor vehicle waiting areas in the island, the pedestrian waiting area is connected with a pedestrian street through a street and island crosswalk, the pedestrian waiting area is connected with the adjacent island body through a crosswalk between islands, the non-motor vehicle waiting area in the island is connected with the pedestrian street through a street and island non-motor vehicle crossing, and the non-motor vehicle waiting area in the island is connected with the adjacent island body through a non-motor vehicle crossing between the islands. The city safety island disclosed by the invention can effectively improve the safety and the comfort of pedestrians crossing the street, improve the crossing efficiency of pedestrians and non-motor vehicles and reduce the incidence of traffic accidents in street crossing, and road environment and city appearance are beautified.

The invention relates to cell immobilization technology, in particular to a preparation method for immobilized bacteria used in the restoration of polycyclic aromatic hydrocarbons contaminated soil, using 0.25-1.00mm red brick powder, fly ash, vermiculite, peat soil, diatoms Soil or coke powder is used as the carrier material. After sterilization, it is inserted into the bacterial solution, and then multiplied and cultivated to obtain the desired immobilized particles. The immobilized biological product prepared according to the formula of the invention has a good remediation effect on soil polluted by high-molecular-weight polycyclic aromatic hydrocarbons, and is a reliable new environment-friendly biological product.

The invention belongs to the field of waterborne coatings, and relates to an organic-inorganic compound modified waterborne acrylic epoxy ester resin and a preparation method thereof. The organic-mineral compound modified waterborne acrylic epoxy ester resin is synthesized by using the following raw materials in parts by weight: 30-70 parts of an epoxy ester, 5-50 parts of an acrylic monomer and 5-25 parts of silica sol, wherein the epoxy ester is prepared by carrying out catalytic reaction on 40-70 parts of an epoxy resin and 20-60 parts of an unsaturated fatty acid; the acrylic monomer comprises 20-60 parts of a vinyl monomer and 40-70 parts of an acrylic monomer; and the silica sol is obtained by reacting 10-50 parts of an organosilicone intermediate, 5-50 parts of a silane coupling agent, 20-70 parts of a cosolvent, 0.2-5 parts of a pH regulator and 5-15 parts of water. The nano silicon sol improves the tolerance and dryness of films; secondary crosslinking is formed along with pH value changes, so that the crosslinking density after film formation is increased; a structure taking the nano silicon sol as a core and taking an organic resin as a shell increases the stability of silicon hydroxyl; and the waterborned epoxy ester resin reduces the VOC content.

The invention provides a photosensitive resin composition for an insulating film. The photosensitive resin composition is advantaged by high sensitivity, high resolution, high reliability and excellent chemical resistance, and is applicable to a permanent insulating film without increasing the supplementation of photopolymerization initiators. The photosensitive resin composition for the insulating film is characterized in that as the necessary composition, the photosensitive resin composition comprises (i) alkali soluble resin with hydroxyl and a polymerizable unsaturated group in one molecule shown by the general formula (1) below, (ii) a photopolymerizable monomer with at least an alkene-attribute unsaturated bond, (iii) a photopolymerizable initiator and (iv) an epoxy composition.

This invention provides a door lock device for the vehicle, which ensures the reliability of the action, reduces the numbers of the parts, and simples the assembly operation. One end of the metal hold part has a hold section holding the external cable, the other end of which has a bended section. There arranged a protruding section between the two ends of the hold part, which acts as a pivot whenan installation of resin case is going on. The case comprises: a locking hole locked with the protruding section; a locking groove, which rotates hold part toward one direction (clockwise : as shown in figure 4) pivoted the locking position where the protruding section is locked with the locking holes. Said locking groove is locked with the bended section, the location relationship among the holdsection, the bended section and the protruding section of the hold part is as followed: when the hold part operates the vehicle door handle unit and induces reverse force from the external cable, said reverse force acts on the direction that the bended section locks with the locking groove.

The invention provides single-component waterborne finishing coat and a preparation method thereof. According to coating performance requirements of existing soft wood and rattan wood products, technical problems that a coating material is poor in flexibility, poor in elasticity and easy to crack are solved by utilizing performances of waterborne acrylic resin and waterborne polyurethane resin, and adjusting a use ratio, so that technical requirements of a client for coating the soft material are satisfied. The single-component waterborne finishing coat comprises the following main components in percentage by weight: 50%-60% of waterborne acrylic resin, 25%-35% of waterborne polyurethane resin, 0.2%-0.5% of a wetting agent, 0.3%-0.5% of a defoaming agent, 6%-8% of a cosolvent, 0.4%-0.6% of a thickener, 0.1%-0.3% of a preservative, 0.1%-0.3% of a mildew preventive and 6%-8% of water.

The invention belongs to multiple-stage treatment methods of waste water and treatment systems thereof, and particularly discloses treatment methods of landfill leachate and treatment systems thereof. One of the treatment methods comprises the following steps of: firstly, mixing the landfill leachate and anaerobic sludge to perform complete reaction; secondly, performing electrochemical reaction to obtain flocs and initially depositing effluent water; finally, adjusting the pH value, adding Fenton reagents and mixing the effluent water and aerobic sludge after the complete reaction between the Fenton reagents and the leachate in a later phase. In the other method of the invention, the mixing and reaction between the leachate in the initial phase and the aerobic sludge are performed before the electrochemical reaction and other steps are the same. The invention also provides two different treatment systems for the two different treatment methods. The systems are formed by optimally combining a pre-treatment tank, an anaerobi reaction tank, an electrochemical reaction tank, a deposition tank, an oxidation tank, a regulating tank, a biochemical reaction tank and a sludge concentration tank. The treatment methods have the advantages of wide application range, small influence of environment, low operation cost, good treatment effect and the like.

The invention provides a heatproof and anticorrosion rare earth magnesium alloy with high obdurability and a preparation method thereof, belonging to the technical field of light metal material. The rare earth magnesium alloy comprises the following components in proportion by weight: 3-5% of aluminum (Al), 0.1-0.4% of manganese (Mn), 0.8-2.5% of yttrium (Y), 0.3-1.0% of stibium (Sb), 0.3-1% of cadmium (Cd) and balance of magnesium (Mg). The invention has the advantages of solving the problem of reduction of mechanical properties caused by the splitting effect of a bulky Al2Y relative matrix in the alloy structure, improving the obdurability of the alloy and the mechanical properties of the alloy under room temperature and high temperature by making the most of the solution strengthening effect and refined crystalline strengthening effect of the Sb, Y and other elements and the dispersion strengthening effect of the high melting point YSb particle phase mass points, further improving the mechanical properties of the alloy by the grain refinement effect and the solution strengthening effect of the Cd element, and improving the anticorrosion performance of the alloy by improving the electrode potential of the alloy matrix by the Cd element, so that the obdurability, heatproof performance and anticorrosion performance of the alloy are higher than that of the existing AE series magnesium alloy. The technological requirements for the preparation method provided by the invention are not harsh, and the preparation method can meet the industrialized enlarged production requirements and ensure thorough embodiment of the two technical effects.

The invention provides a coating method for water-based paint for engineering machines. The method comprises the following steps that a base material is pretreated; primer is sprayed, and baking is conducted after leveling; and finishing coat is sprayed, and baking is conducted after leveling, wherein the primer is water-based epoxy corrosion resisting primer, and the finishing coat is water-based crylic acid polyurethane finishing coat. By adoption of the coating method and in cooperation with the specific water-based paint for coating of the engineering machine base material, the defect of a paint film can be effectively avoided, and the flexibility, corrosion resistance and durability of the paint film are greatly improved.

The invention relates to a super-weather resistance, high-stain resistance, composite elastic building coating, mainly comprising acrylate silicon elastic emulsion 45-55wt%, rutile TiO2 15-20wt%, nano CaCO3 2-3wt% and water the rest, where the silicon-acrylate elastic emulsion mainly comprises methyl methacrylate 11-13wt%, butyl acrylate 32-37wt%, acrylate 1.5-3wt%, organic silicon monomers 6-8wt%, emulsifier 5-3wt%, initiating agent 0.2-0.7wt%, PH regulator 0.1-0.15wt% and water the rest. And it has beneficial effects of: selecting nano CaCO3 and rutile TiO2 to modified-prepare silicon-acrylate elastic building coating, cooperatively improving synthetic performances of the coating and implementing optimum balance of elasticity, resistance, rigidity and stain-resistance.

To mass-produce alloyed rare-earth magnetic powder having high coercive force by using the gas atomization method. Spherical powder is formed by spraying molten alloyed pig iron containing R (R is at least one kind of rare-earth elements including Y.) of >=20 wt.% and <=40 wt.%, T (T is a transition metal including Fe as the main component.) of >=60 wt.% and <=79 wt.%, and Q (Q is an element including B (boron) and C (carbon)) of >=0.5 wt.% and <=2.0 wt.%, in the non-oxidative atmosphere, and the shape of particles of the powder is substantially spherical. After that, the spherical powder is heat-treated at a temperature of >=500 deg.C and <=800 deg.C.

The invention provides a nano antibody. As for the nano antibody, (1) an amino acid sequence shown in SEQ ID NO:1 is achieved; or (2) compared with the (1), the at least 70% identity, the at least 75%identity, the at least 80% identity, the at least 85% identity, the at least 90% identity, the at least 95% identity, and the at least 99% identity are achieved. According to the embodiments, the nano antibody is an antibody specifically targeting an ion channel TRPV3, the native conformation TRPV3 can be combined, and the nano antibody has the high water solubility, high tolerance, high stability, high antigen bondability, low immunogenicity, high tissue penetrating power, and high expressivity.

The invention provides a restoration method for industrial waste land soil heavy metal contamination. Charcoal base fertilizer and a microorganism complex microbial inoculant are applied to heavy metal contaminated soil, and the charcoal base fertilizer, the microorganism complex microbial inoculant and the soil are evenly mixed and then aged; after ageing is over, a willow is planted, and the willow is overall removed after a certain period; after the willow is overall removed, charcoal base fertilizer and a microorganism complex microbial inoculant are applied to the soil where the willow is planted again, and the charcoal base fertilizer, the microorganism complex microbial inoculant and the soil are evenly mixed and aged; after ageing restoration is over, ricinus communis is planted, and the ricinus communis is overall removed after ricinus communis fruits are harvested; and the steps are executed cyclically and repeatedly until the content of heavy metal in the soil reaches the safety standard. The restoration method is good in soil governing effect, fast in effect taking, short in time, capable of beautifying the environment while the heavy metal contaminated soil is governed and high in practicability.