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259results about How to "Promote infection" patented technology

Ultra-high temperature high pressure dyeing method for aramid fiber textile

The invention discloses a method for dying kevlar fabrics under ultrahigh temperature and high pressure, which comprises: a preprocessing procedure under the ultrahigh temperature and the high pressure and a dying procedure under the ultrahigh temperature and the high pressure, wherein in the preprocessing procedure under the ultrahigh temperature and the high pressure, atmospheric pressure plasmas are used to process the kevlar fabrics for 1-5min, the processing temperature is 100-150DEG C, while in the dying procedure under the ultrahigh temperature and the high pressure, the temperature is 160DEG C-190DEG C, and the pressure intensity is 0.8-0.9MPa, wherein the plasma preprocessing procedure is an important procedure before the dying procedure under the ultrahigh temperature and the high pressure, since the processing for the plasma produces a plurality of active groups on the kevlar fabrics, which enables carriers to be better absorbed on the kevlar baric and thereby is beneficial for dying dye on the kevlar fabrics, simultaneously, the kevlar fabrics after dying under the ultrahigh temperature and the high pressure has high fastness, fresh color and soft hand feeling, and the washing color fastness and the abrasion color fastness of the kevlar fabrics are improved better.
Owner:ZHEJIANG SCI-TECH UNIV

Nutrient solution prescription of flue-cured tobacco fungus rooting floating raise seedling and its applying method

The present invention relates to a nutrient fluid formula for the mycorhiza floating seedling raising of the cured tobacco and an application method of the formula, which comprises three formulas of the formula at the sowing stage, the formula 30 days after the emergence of the seedling and the formula 45 days after the emergence of the seedling. Using the present invention to inoculate the mycorrhizal fungi for the tobacco seedling, during the transplanting, the mycorrhizal infection rate of one tobacco seedling is more than or equal to 20 percent and the mycorrhizal rooting rate of the tobacco seedling is more than or equal to 90 percent. The application method of the nutrient fluid of the present invention not only favors the infection of the mycorhizal fungi for the tobacco seedling, but also favors the application period and application quantity of the nutrient fluid being applicable to the nutrition requirements of the tobacco seedling; moreover, the seedling bed is free from salt harm and disease harm. At the same time, the concentration of the nutrient fluid of the present invention is only 50 percent to 60 percent of the concentration of the prior nutrient fluid that is used in the present production; the total consumption quantity of the fertilizer is dropped by 40 percent to 50 percent, thereby saving the resource and reducing the environmental pollution.
Owner:SOUTHWEST UNIVERSITY

Method for transforming genes by using efficient living body of chemical male sterilant

The invention relates to chemical male sterilization, pollen-tube pathway and pollen-mediated transformation technologies, and belongs to the technical field of molecular breeding and gene engineering. The method comprises the following steps of: performing chemical male sterilization treatment on a crop T0 of a budding stage; cutting stigmas of buds; mixing fertile pollen by using the pollen-tube pathway technology, namely using target gene-containing agrobacterium-mediated infection solution (added with 5 percent of sucrose and 500muL/L of SilwetL-77) with OD600 of 0.8; and dipping an absorbent cotton ball in the bacterial solution, coating the bacterial solution to the stigma cut ovaries, performing shading treatment for three days to realize normal growth, and finally collecting selfing seeds. Herbicide resistance screening is performed on the generation T1, polymerase chain reaction (PCR) detection is performed on resistant plants, and positive plants are determined. The method has the characteristics of low cost, simplicity in operation, no need of expensive instruments and equipment, high transformation rate (1 to 5 percent) and the like, is suitable for any flowering plant, and can be applied to large-scale crop genetic transformation.
Owner:SOUTHWEST UNIVERSITY

Digital printing pulp and digital printing method

ActiveCN106868890AGood colorMaintain viscosity stabilityDyeing processSolubilityAntioxidant
The invention discloses digital printing pulp, which is prepared from the following components in parts by weight: 2 to 10 parts of thickening agent, 2 to 8 parts of viscosity regulator, 1 to 6 parts of antibacterial agent, 1 to 5 parts of antioxidant, 1 to 5 parts of color fixing agent and 80 to 100 parts of water. A colloid solution can be formed by the thickening agent, the viscosity regulator and the water; the antibacterial agent, the antioxidant and the color fixing agent are added into the colloid solution; the antibacterial agent is selected from a Chinese gall extract of which the main component is Chinese gall tannin; the antioxidant is selected from isoflavone glucoside; the color fixing agent is selected from rubiadin. Because the Chinese gall extract, the isoflavone glucoside and the rubiadin are natural compounds with good water solubility, the molecular weight is small, difference among dissolubility, a pH value and the like is avoided, a crystalline structure is difficultly formed by the thickening agents or the viscosity regulators in the colloid solution, and the stability of the digital printing pulp can be maintained. The invention also provides a method for carrying out digital printing on fabrics by adopting the digital printing pulp. The process is simple, and the energy consumption is low.
Owner:SUZHOU INST OF TRADE & COMMERCE
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