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117results about How to "Simple production technology" patented technology

Special multifunctional foliar fertilizer for oil-tea trees, and preparation method and applications thereof

The invention belongs to the field of foliar fertilizer, and relates to a special multifunctional foliar fertilizer for oil-tea trees. The special multifunctional foliar fertilizer for oil-tea trees comprises the following ingredients in parts by weight: 5-10 parts of urea, 5-8 parts of potassium dihydrogen phosphate, 3-4 parts of boric acid, 3-4 parts of magnesium chloride, 5-6 parts of calcium nitrate, 4-5 parts of glucose, 0.1-0.5 part of gibberellin, 0.5-1 part of abscisic acid, 3-5 parts of amino acid chelate, and 2-3 parts of surfactant. According to the foliage fertilization principle and aiming at the characteristics that the wax and cuticle on oil tea leaves are thick and the demand on nutrients is large and by utilizing and reasonably proportioning the main active ingredients of mineral elements, hormones, amino acid chelate, surfactant and the like, the foliar fertilizer can be effectively absorbed by the oil tea trees, and has multiple effects of promoting the seedling survival, improving the growth and fruit bearing and cultivation resilience and the like. According to the special multifunctional foliar fertilizer for oil-tea trees, the production technology of oil tea can be effectively simplified, the production cost of oil tea can be lowered, and the special multifunctional foliar fertilizer for oil-tea trees has wide application prospects.
Owner:辰溪县永新农林开发有限公司

Manually-pasting molding method of para-position aramid fiber composite material

The invention relates to a manually-pasting molding method of a para-position aramid fiber composite material. The manually-pasting molding method particularly comprises the following steps of: (1) cleaning a mould; (2) coating a de-molding agent on the mould; (3) respectively preparing a resin adhesive for a gel coat layer and resin adhesives for a surface layer and an enhancement layer; (4) manufacturing the gel coat layer; (5) manufacturing the surface layer; (6) manufacturing the enhancement layer; (7) combining the mould and curing a workpiece; (8) de-molding; and (9) carrying out post-treatment on the workpiece. According to the manually-pasting molding method of the para-position aramid fiber composite material, the conventional manually-pasting molding method is improved in the manner of coating the surface layer with an ultraviolet light absorber or ultraviolet-resisting paint, and pre-treating para-position aramid fiber cloth in the enhancement layer. When the manually-pasting molding method is used for producing the para-position aramid fiber composite material, equipment is simple, the investment is less, a production technology is easy to master, and some large-sized para-position aramid fiber composite materials which are not suitable for transportation can be manufactured on site; the para-position aramid fiber composite material workpiece has good ultraviolet-resisting performance; and meanwhile, para-position aramid fibers and resin are good in cohesiveness, and thus the composite material can have various stable and good performance.
Owner:宁夏泰和兴材料科技有限公司

Coproduction method of methylbenzoic acid, methyl benzoate and benzenedicarboxylic acid diester

The invention discloses a coproduction method of methylbenzoic acid, methyl benzoate and benzenedicarboxylic acid diester. The method comprises the following steps: (1) continuously introducing xylene, a catalyst and oxygen-containing gas into an oxidation reactor for a reaction, and controlling oxygenic concentration in the tail gas to not exceed 5% by controlling introduction amount of the oxygen-containing gas to obtain an oxidation reaction liquid; (2) feeding the obtained oxidation reaction liquid into a predistillation tower for distillation separation to obtain a low-boiling-point component and a predistillation tower bottom liquid; (3) feeding the predistillation tower bottom liquid into a distillation tower for distillation to obtain a methylbenzoic acid product and a distillationtower bottom liquid; (4) mixing the distillation tower bottom liquid and alcohol for an esterification reaction, and controlling the reaction endpoint to be lower than 0.5wt% of the content of methylbenzoic acid to obtain an esterification reaction liquid; (5) performing distillation separation on the obtained esterification reaction liquid to obtain methyl benzoate and benzenedicarboxylic acid diester products. The method has the advantages that the process is simple, equipment investment is low, and the method is environmentally friendly and has good comprehensive economic benefits.
Owner:JIANGXI KEYUAN BIOPHARM

Profiled steel sheet composite board as well as roofing board, floor board or wall panel with composite boards

The invention relates to a profiled steel sheet composite board as well as a roofing board, a floor board or a wall panel with the composite boards. The profiled steel sheet composite board comprises a profiled steel sheet and a filler, wherein the profiled steel sheet is a ribbed plate; the profiled steel sheet serves as the force-bearing main body of the composite board; a cavity at the lower part of the profiled steel sheet is filled by the filler; an auxiliary steel material is welded on one side or the bottom of the vertical plate rib; a steel wire mesh piece is attached and welded on the lower open surface of the profiled steel sheet; the profiled steel sheet at the closed surface of the profiled steel sheet is used for resisting pressure, while the auxiliary steel material is used for bearing tension, and the two components work cooperatively by use of the plate rib to resist the bending moment. The composite board is low in weight and high in strength; under the same span and load, the dead weight of the composite board is about 1/5 of that of the traditional profiled steel sheet concrete floor board, and therefore, product support is provided for the realization of a large-span beamless space.
Owner:SHAANXI HAOXING HOUSES ENG

Trichoderma harzianum Sch234 bacterial strain as well as preparation method and application thereof

The invention discloses trichoderma harzianum Sch234 bactericide as well as a preparation method and an application thereof. The preparation method of the trichoderma harzianum Sch234 bactericide comprises the following steps of: (1) firstly activating a trichoderma harzianum bacterial strain Sch234 on a PDA flat plate, then inoculating the trichoderma harzianum bacterial strain Sch234 on a PDA inclined plane to be cultured, adding deionized water for sterilization, preparing spore suspension, adding tween-20 until final concentration of the tween-20 in the spore suspension is 0.025%, and adjusting the concentration of the spore suspension to be 1.5*10<6> / ml; (2) mixing dry substrate oatmeal with rice husk uniformly, adding water, and carrying out high-pressure steam sterilizing; and (3) inoculating the prepared spore suspension with substrate in ratio of 10ml per bag, cultivating, and drying in the air and grinding, thus the trichoderma harzianum Sch234 bactericide is obtained. The trichoderma harzianum bacterial strain Sch234 has a strong parasitic effect on rice sheath blight disease and hypha and sclerotium of sclerotinia sclerotiorum, control effect of antibiological inoculant to rice sheath blight disease under field cultivation condition is 83%, an application method in soil treatment is simple, labour force is saved, and the trichoderma harzianum bacterial strain Sch234 can be used for producing biopesticide and is safe to people and livestock.
Owner:HUAZHONG AGRI UNIV

Tobacco stem field stacking and retting fermentation method and product

The invention provides a tobacco stem field stacking and retting fermentation method. After tobaccos are matured and harvested, tobacco stems are collected on the spot and are broken according to a certain size; and then stacking and retting fermentation is performed on the tobacco stems by mixing the tobacco stems with water, soil, cow dung, phosphatic fertilizer, a ferment activator and lime according to proper proportions. The invention also provides a compost product produced by the tobacco stem field stacking and retting fermentation method. A using method for the compost product obtained by tobacco stem stacking and retting fermentation is characterized in that the compost product is fertilized every two crop planting periods preferably; the fermented compost product is used as a base fertilizer; and a ditch is formed, and the compost product is fertilized into the deep ditch. According to the tobacco stem field stacking and retting fermentation method, the application amount of chemical fertilizers can be reduced, a soil ecological environment is protected, the soil is improved, the soil fertility is improved, and the tobacco stem field stacking and retting fermentation method is safe and ecological. By the method, raw materials are readily available, convenient to collect, easy to operate, environmentally-friendly, sanitary and low in cost, and tobacco farmers can easily master the method; the cost is low, the expense is low, the production technology is simple ad can be easily popularized and applied in a large tobacco area; the quality of a product is stable; and the economical and ecological benefits are outstanding.
Owner:HUBEI CHINA TOBACCO IND

Method for recycling waste emulsion explosive in rock powder emulsion explosive

The invention provides a method for recycling a waste emulsion explosive in a rock powder emulsion explosive. The method comprises the following steps of pre-treating the waste emulsion explosive to form a mixed solution; then, mixing the mixed solution and rock powder emulsion explosive water and oil according to a specific proportion; and carrying out vacuum drying at negative pressure to obtain the rock powder emulsion explosive, wherein the mixed solution obtained through pre-treating the waste emulsion explosive accounts for 1.0-5.0% of the mass of the prepared rock powder emulsion explosive product, the added rock powder emulsion explosive water accounts for 92.0-95.0% of the mass of the prepared rock powder emulsion explosive product, and the rock powder emulsion explosive oil accounts for 3.0-6.0% of the mass of the prepared rock powder emulsion explosive product. Compared with the traditional other waste emulsion explosive treating technologies, the method has the advantages that the production process is simple, the product is stable and reliable in quality as well as economic and environment-friendly, and the problems of raw material waste and environment pollution which are caused by waste emulsion explosive destruction are avoided.
Owner:SICHUAN YAHUA IND GRP

Method for preparing high-boiling aromatics used as heat carrier oil from heavy aromatics

The present invention provides a method for preparing high-boiling aromatics used as heat carrier oil from heavy aromatics. According to the method, monocyclic aromatic hydrocarbons or bicyclic and polycyclic aromatic hydrocarbons obtained from whole fractions of heavy aromatics or by rectification of heavy aromatics are respectively used as raw materials to be stirred with an olefin in a closed reaction kettle or to undergo a flowing reaction with an olefin in a fixed-bed reactor, a liquid inorganic acid or solid acid catalyst or a mixed acid catalyst is employed, at a reaction temperature of60 DEG C or more and under the condition that the nitrogen initial pressure at room temperature is normal pressure or above, one-step catalytic conversion is performed, so that alkylation of the aromatic hydrocarbon with the olefin is achieved to prepare the high-boiling aromatic hydrocarbon used as the heat carrier oil. Compared with existing industrial synthetic routes of mineral heat carrier oil, the method of the invention has the advantages of wide range of sources of raw materials for reaction, low cost, highly efficient use of fossil resources, less waste and reduction of environmentalpollution, and has a wide range of reaction catalyst sources, mild reaction conditions, separation easiness between a liquid product and the catalyst.
Owner:CNOOC TIANJIN CHEM RES & DESIGN INST +1
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