35results about How to "Effective breeding" patented technology

The invention discloses a rice breeding method capable of relieving heavy metal cadmium pollution. According to the rice breeding method, low-cadmium rice is cultivated by using self gene differences of the rice and rice varieties with low cadmium accumulation amount can be effectively bred under the conditions of long soil and water body treatment period and high cost; the content of heavy metal in the rice is reduced and the healthy, environment-friendly and green requirements are met. According to the rice breeding method, the cultivated low-cadmium rice can effectively reduce the intake of the heavy metal of human beings so as to promote the health of human bodies.

The invention relates to a semi-lignified twig cutting and fast root taking and seedling growing method for patchouli. The method comprises the key links of scion-seed stock plant selection, scion picking, root speeding treatment, cutting medium preparation, cutting and cutting post-management. According to the method, the cutting seedlings of the patchouli can root in advance, roots can be taken fast, the cutting survival rate can reach more than 99 percent, sprouting only needs 15 days, and cutting and seedling growing can be carried out all the year round. The method is easy to operate and popularize, a large number of high-quality patchouli seedlings can be cultured in a short time, and a good foundation is laid for the development of the patchouli industry.

The invention discloses a dairy cow milk progesterone colloidal gold test strip and a preparation method thereof. The preparation method of the dairy cow milk progesterone colloidal gold test strip comprises the steps of preparation of main solutions, namely preparing a trisodium citrate solution, preparing a chloroauric acid solution, preparing a K2CO3 solution, preparing a PBS, a BSA (Bovine Serum Albumin) solution, preparing a sample pad treating fluid and preparing a gold mark combination solution; and preparation and authentication of colloidal gold, namely preparing colloidal gold, authenticating the quality of colloidal gold, preparing and purifying a gold marked progesterone antibody compound, selecting an antigen coating solution and a gold mark diluting solution, selecting gold marked antibody diluent and dilution, selecting an NC film and secondary antibody coating concentration, selecting an NC film blocking liquid and blocking time, selecting the sample pad, and assembling the colloid gold test strip. The test strip disclosed by the invention has a good stable effect, is good in stability and high in flexibility and sensitivity, is in favor of clinical application and the guidance of clinical hybridization work, and is capable of effectively guiding a worker to diagnose and treat diseases, and the pregnancy rate is improved.

The invention relates to a solvent-free type heavy anti-corrosion coating based on a secondary doped polyaniline nanometer material and belongs to the technical field of heavy anti-corrosion coating. The solvent-free type heavy anti-corrosion coating is characterized by comprising a component A and a component B; the weight ratio of the component A to the component B is 10:(2.6-3.2); the component A comprises the following components by weight percent: 32-40% of liquid epoxy resin, 7-18% of a nuclear shell rubber flexibilizer, 6-10% of a reactive diluent, 0.6-1.4% of a silane coupling agent, 1.2-2.5% of a dispersing agent, 0.3-0.7% of a de-foaming agent, 1.5-2.4% of a sterilizing agent, 0.6-1.2% of a thixotropic agent, 1.6-2.5% of a flatting agent, 4-12% of zinc phosphate, 4-8% of mica powder, 3.5-20% of superfine talcum powder and 7-12% of titanium dioxide, wherein the sum of the weight percent of the components is 100%; the component B comprises the following components by weight percent: 44-56% of phenolic amine, 20-44% of modified polyamide, 1.6-2.4% of a dispersing agent, 0.2-0.6% of a de-foaming agent, 2-6% of nanometer graphite powder, 7-15% of polyaniline and 0.4-0.8% of a thixotropic agent, wherein the sum of the weight percent of the components is 100%. The anti-corrosion coating provided by the invention is environmentally friendly and nontoxic and has the advantages of excellent mechanical properties, low surface processing requirement, applicability on wet and even water-containing metal substrate, excellent mold-proof and antibacterial properties, excellent corrosion protection and corrosion inhibition, high site construction operability, and the like.

The invention provides a composite water purification material preparation method. The steps are as follows: (1) KDF, limonite, tourmaline and mesoporous composite molecular sieve are mixed accordingto a certain proportion, added with water and stirred for 20 to 30 minutes; (2) the mixed material is homogenized for 30 to 40 minutes, added with clay and uniformly stirred again; (3) the material obtained in step 2 is dewatered to be concentrated and produced into spherical raw material balls; (4) the spherical raw material balls are sintered under high temperature, and thereby the composite water purification material disclosed by the invention is prepared. The composite water purification material disclosed by the invention can effectively remove harmful elements and impurities in water, can release a variety of trace elements benefiting the human body, and can also effectively inhibit the breeding of bacteria.

The invention discloses an efficient breeding method for a spiral shell male tetraploid pure line. The method comprises the steps of tamoxifen feed preparation, tamoxifen feed putting for feeding female spiral shells, heat shock treatment, estrogen inhibitor solution preparation, estrogen inhibitor solution bathing, and obtaining of the spiral shell male tetraploid pure line. By means of the method, the 100% spiral shell male tetraploid pure line can be obtained. By means of the method, the spiral shell tetraploid can be effectively bred, the breeding rate and the fry rate of the tetraploid are increased, and a firm base is laid for producing triploid sterile fishes.

The invention provides a medical smell-removing antibacterial coating which is characterized by comprising the following components in percentage by weight: 20-30% of water, 40-55% of acrylic resin, 0-5.5% of water-based pigment, 0.7-2% of a coalescing agent, 0.4-1.25% of a dispersant, 0.15-0.5% of a leveling agent, 0.05-0.1% of a defoaming agent, 2-3.35% of a water-based adhesion accelerant, 5-7.65% of a negative ion additive, 0.22-1.38% of sodium hydrogen carbonate and 5-12.5% of nano silver. The medical smell-removing antibacterial coating is suitable for medical wall surfaces, has good peculiar smell removing ability and antibacterial property, can effectively kill bacteria and viruses and prevent the propagation of the bacteria and viruses, is good in adhesive powder, and is environmentally friendly and low in toxicity.

The invention provides a mildew-proof and crack-resistant light wall material, which is prepared from the following raw materials in parts by weight: 80-90 parts of foamed polystyrene, 35-45 parts ofglass fiber reinforced cement, 22-27 parts of diatom ooze, 17-22 parts of fly ash, 12-17 parts of yellow sand, 12-14 parts of caustic soda flakes, 7-12 parts of shale, 3-6 parts of carbon black, 2-4 parts of a water reducing agent, 3-5 parts of a surfactant, 2-4 parts of a binder, 1-2 parts of a reinforcing agent and 35-45 parts of water. The wall material is wide in raw material source, simple inpreparation method, low in cost, alkaline, not prone to breeding microorganisms, capable of effectively preventing mildew, excellent in mechanical property, extremely good in crack resistance and wide in application prospect.

The invention discloses a composition of a hydrophobic and antibacterial coating. The composition is prepared from, by weight, 100-150 parts of styrene-acrylic emulsion, 50-100 parts of acrylate emulsion, 30-50 parts of silicone acrylic emulsion, 1-10 parts of nanosilicon dioxide, 1-5 parts of inorganic antibacterial agent, 2-5 parts of thickening agent, 5-8 parts of dispersing agent, 1-3 parts ofwetting agent, 0.5-2 parts of defoaming agent and 80-110 parts of filler. The hydrophobic and antibacterial coating integrates multiple functions, can effectively prevent breeding of staphylococcus aureus, escherichia coli and other pernicious bacteria, prevent breeding of aspergillus niger and other fungi and improve the air quality in a humid environment; meanwhile, the waterproof performance is excellent, after the composition is utilized, the phenomenon that water leaks from a wall face can be effectively avoided, and meanwhile, the antibacterial effect is excellent.

The invention provides a production method of rapid propagation nutritional paper for sprouting vegetables. The production method comprises the following steps: (1) grinding tea seed cake, evenly mixing the ground tea seed cake with a 1% EM stock solution according to a mass ratio of (92-94):(8-6), adding clear water, adjusting water content to be 60-65%, and carrying out aerobic fermentation for 15-20 days to prepare a fermented material; (2) evenly mixing the fermented material prepared in step 1 with the 1% EM stock solution according to a mass ratio of 1:8, arranging the mixture into a fermentation tank for anaerobic fermentation for 3-5 days, and filtering to obtain nutritional fermented liquid; (3) adding zeolite powder into the nutritional fermented liquid, evenly mixing, arranging a hydrophilic non-woven fabric into a container which contains the nutritional fermented liquid, soaking for 10-12 hours, fully mixing 3-4 times during soaking, taking out the hydrophilic non-woven fabric which is soaked in the nutritional fermented liquid and adsorbed with the zeolite powder simultaneously, and drying to finally prepare the rapid propagation nutritional paper for sprouting vegetables. The sprouting vegetables produced by utilizing the nutritional paper provided by the invention meet green standards, and according to the production method, the production cost is low, and output and benefits are high.

The invention discloses a cleaning method for bacterial sludge breeding on the inner wall of the water inlet pipe of an NF / RO membrane unit, comprising the following steps: emptying the residual sewage in the water inlet pipe, cleaning the inner wall of the water inlet pipe with water, until the water quality of the eluate is The chromaticity is less than 10 times; the inner wall of the water inlet pipe and the NF / RO membrane unit are circularly cleaned with sodium bisulfite solution, so that the NF / RO membrane elements are soaked in the sodium bisulfite solution; the inner wall of the water inlet pipe is cleaned with cleaning agents Carry out soaking; wash the inner wall of the water inlet pipe with water; use neutralizing agents to circularly clean the inner wall of the water inlet pipe, and complete the cleaning of the bacterial sludge on the inner wall of the water inlet pipe of the NF / RO membrane unit. The cleaning method of the present invention can effectively remove the bacterial sludge grown on the inner wall of the water inlet pipe, has the advantages of simple process, easy operation, low treatment cost, high cleaning efficiency, good cleaning effect, etc., can meet the actual treatment needs, and has good advantages Application value and application prospect.

A method for defining the selective index used for the multi-character breeding of Chinese prawn includes such steps as using BLUP method to calculate the breeding value of each character for the individual or family, standardizing each breeding value, percentage weighting to the importance of each character in breeding target, and multiplying said standardized breeding value with the percentage weighted value to obtain said selective index used to choose individual or family.

The invention belongs to the technical field of plant variety breeding, and particularly relates to a rapid breeding method of a bacterial wilt resistant fruit mulberry variety. The method comprises the following steps that branches of fruit mulberries are selected for seedling culture, after culture is conducted for 80-100 days, a ralstonia solanacearum bacterium solution is adopted for water culture, water culture is conducted for 30-45 days, finally survived fruit mulberries are the fruit mulberry variety with the bacterial wilt resistance, the fruit mulberry variety with the bacterial wiltresistance is adopted for planting culture in bacterial wilt serious disease land, the planting period is 2-3 years, the fruit mulberry variety with the bacterial wilt resistance can be bred, and theralstonia solanacearum bacterium solution is prepared from a bacterial strain G12-9 or a bacterial strain G12-50. Compared with a traditional method for culturing the bacterial wilt resistant fruit mulberry variety, the method has the advantages that the waste quantity of fruit mulberry materials is greatly reduced, the workload of variety breeding is remarkably reduced, and the problems of a long breeding period, complicated operation, difficulty in identification and the like of the bacterial wilt resistant fruit mulberry variety in the prior art are solved.

The invention discloses a method for high-efficiency breeding of male tetraploid pure line of tortoise, which comprises the following steps: preparation of tamoxifen feeding material, feeding of tamoxifen feeding material, heat shock treatment, preparation of estrogen inhibitor solution Preparation, uniform spraying with estrogen inhibitor solution, etc. Through this method, 100% male tetraploid pure line of tortoise can be obtained, which not only effectively breeds tetraploid of tortoise, but also improves the breeding rate and emergence rate of tetraploid; it lays the foundation for the production of triploid sterile tortoise solid foundation.

The invention provides an SNP marker associated with bacterial septicemia of schizothorax prenanti and application of the SNP marker. A nucleotide sequence of the SNP marker is shown in SEQ ID NO. 1; a 779th base of the sequence from 5' terminus is C or T. At an SNP site of the invention, the probability that the schizothorax prenanti having genotype CT is infected with bacterial septicemia is significantly higher than that of homozygous CC type individuals. Therefore, whether the schizothorax prenanti is easily infected with bacterial septicemia can be determined effectively by detecting the SNP of the schizothorax prenanti. The CT genotype individuals are knocked out in breeding of parents; and the marker of the invention is used for auxiliary breeding to accelerate a cultivation process of excellent disease-resistant varieties of the schizothorax prenanti.