30results about How to "Maintain sustainable development" patented technology

The invention relates to an indirect competitive ELISA kit for detecting mercury ions and a preparation method thereof. The kit contains an ELISA plate coated with mercury ion-coated antigen, anti-mercury ion monoclonal antibody, enzyme-labeled secondary antibody, substrate chromogenic solution, stop solution, mercury ion standard solution, washing liquid concentrate and sample processing liquid. The kit of the present invention can detect mercury ions in trace amounts, and is used for detecting mercury ions in the environment, soil, water, food, medicine, cosmetics, etc., and has the characteristics of fast, simple, sensitive, specific and economical, and has few detection steps, saving The detection time is short, the operation error is reduced, the timeliness is strong, and on-site detection can be carried out. The kit has low requirements on sample pre-treatment and simple processing process. It can be used not only for the screening of large batches of samples, but also for the rapid detection of small batches of samples. , Food inspection, environmental pollution monitoring and evaluation, etc. provide effective technical means.

The invention relates to an indirect competitive ELISA kit for detecting lead ions and a preparation method thereof. The box body is provided with an enzyme-labeled plate coated with an antigen coated with lead ions, a lead ion monoclonal antibody, an enzyme-labeled secondary antibody, Substrate chromogenic solution, stop solution, lead ion standard solution, washing solution concentrate and sample treatment solution. The lead ion indirect competitive ELISA kit of the present invention can detect lead ions in trace amounts, can be used for the detection of lead ion pollution residues in the environment, soil, water, food and utensils, and has the advantages of fast, simple, sensitive, specific and economical and other characteristics, less detection steps, saving detection time, reducing operational errors; time-sensitive, can be used for on-site detection; it can be used not only for the screening of large batches of samples, but also for the rapid detection of small batches of samples. , Environmental pollution monitoring and evaluation, etc. provide effective means.

The invention discloses a brown planthopper sialaden secretor gene N1MLP and an application OF brown planthopper NIMLP in paddy resisting against brown planthopper after the gene N1MLP is restrained. A complete cDNA sequence of the brown planthopper sialaden secretor gene N1MLP is shown as SEQ ID No.1; ds RNA of the N1MLP enters the brown planthopper in the manner of micro-injection, so that the N1MLP gene expression quantity is reduced, the feeding of the brown planthopper is affected and the survival rate of the brown planthopper is reduced; the ds RNA of the N1MLP is stably expressed in the paddy plant; after the brown planthopper eats the paddy, the N1MLP gene expression quantity is reduced, so that the brown planthopper weight is reduced and the survival rate of the brown planthopper is reduced. According to the invention, the N1MLP, of which the expression is restrained, has significance in researching the paddy resisting against brown planthopper and preventing and treating the brown planthopper in agricultural production.

The invention discloses a glaze material manufactured by utilization of tailings. The glaze material comprises 40-65% of feldspar, 10-25% of quartz, 15-30% of iron ore mine tailings, 0-10% of limestone, 0-10% of kaolin and 0-10% of bone ash. The glaze material comprises following components by weight: 1-5 parts of K2O, 1-8 parts of Al2O3, 55-70 parts of SiO2, 1-5 parts of P2O5, 1-5 parts of Na2O, 1-8 parts of Fe2O3, 5-15 parts of CaO and 1-8 parts of MgO. The invention also discloses a glazing process of the glaze material manufactured by utilization of the tailings. The glazing process includes: adding the materials into a ball grinder and performing ball-milling, adding water, uniformly mixing, stirring and dissolving to obtain glaze slurry, with the fineness of the glaze slurry being controlled to be less than 0.01% of residue on sieve of a ten-thousand hole sieve; discharging the glaze slurry and stirring; sieving the glaze slurry with a sieve having a size of 200 meshes, applying the fully suspended glaze slurry onto the surface of a green body with the concentration being 38-46 baume degrees and the thickness of the glaze slurry on the surface of the green body being 0.2-1.2 mm; and subjecting the green body to high-temperature sintering, and cooling in furnace to room temperature after the sintering is finished to obtain a ceramic product. By adoption of a one-time sintering process, the product quality can reach that of secondary sintering and the product energy consumption is reduced.

The invention discloses gold label test paper for rapidly detecting molybdic ions, as well as a preparation method and an application thereof. The bottom layer of the gold label test paper is a supporting layer, the middle layer of the gold label test paper is an adsorption layer, a protective film is fixedly arranged on the absorption layer, the absorption layer comprises a sample cushion, a gold label antibody combined cushion, a cellulose film layer and a handle-end absorbent cushion from a test end in sequence, and detection imprints printed by a carrier protein solution of coupling molybdic ions and contrast imprints printed by a rabbit anti-mouse IgG antibody solution are arranged on the absorbent cushion; a molybdic ion monoclonal antibody marked by colloidal gold is wrapped in the gold label antibody combined cushion. The gold label test paper can realize the rapid detection of molybdenum ion residual contamination in oil, water and food, and has the advantages of being specific, sensitive, rapid, easy and convenient, vivid and visual in result, economic, and the like; the gold label test paper can be used for screening of samples in large batch, also can be used for the rapid detection on samples in small batch, and is wide in application range.

The present invention relates to the application of azadirachtin in the preparation of seed coatings. The application of azadirachtin in seed coatings for the first time overcomes its photosensitivity weakness and is applied to soil, and its insecticidal effect is not washed by light, evaporation and rain. The influence of azadirachtin can protect the maximum amount of drug on the target body, thereby enhancing the stability of azadirachtin, prolonging the effective period, giving full play to the insecticidal and sterilizing functions of azadirachtin, and controlling various seed pests and diseases. At the same time, for the first time, sulfur powder is used as the active ingredient of the seed coating agent to give full play to its protective bactericidal and insecticidal properties and reduce the cost of the seed coating agent. In particular, it has a high co-toxicity coefficient with azadirachtin, which solves the defects that sulfur is easy to precipitate and agglomerate, and also ensures that azadirachtin has better stability.