32results about How to "Promote sustainable production" patented technology

The invention provides an anti-bacterial peptide hydrolysate of earthworm. The method for preparing the anti-bacterial peptide hydrolysate comprises the following steps: 1) collecting fresh earthworm, cleaning and drying; 2) hydrolyzing the earthworm after being processed in the step 1), brown sugar, water and preservative through water bath at constant temperature of 40-60 degrees centigrade for16-20 hours according to weight rate of 1: 0.2-1.1: 1-10:0.007-0.003; 3) filtering the impurities to obtain the anti-bacterial peptide hydrolysate of the earthworm. The anti-bacterial peptide hydrolysate of the earthworm provided by the invention comprises more than ten amino acids, digestive enzymes and small peptides which are suitable for aquatic animals. The anti-bacterial peptide hydrolysateof the earthworm is the mixture of multiple anti-bacterial peptides of the earthworm, multiple digestive enzymes and amino acids thereof, cooperates the pathogenic bacteria, has broad-spectrum antibacterial property, improves the feed utilization rate, reduces the feed/meat ratio, improves the immunity of the organism of the aquatic animals, promotes the growth of the aquatic animals, improves the quality of the aquatic animals, has simple production technology, and reduces the production cost.

The invention relates to the technical field of agricultural cultivation medium production, in particular to a domesticating cultivation medium for increasing the survival rate of pinellia tissue culture seedlings and a preparation method of the domesticating cultivation medium. The medium is prepared from, by mass, 80-90 parts of straw compost, 5-18 parts of an inorganic mineral material and 1-5parts of a compound conditioner. The medium is easy in formula material selection, simple in production process, reasonable in ratio, convenient and efficient in use, capable of giving full play to water retention, ventilation, rooting, disease resistance and nutrition effects required by domesticating cultivation of the pinellia tissue culture seedlings, extensive in material source, low in costand high in popularization value. The pinellia tissue culture seedlings cultivated with the domesticating cultivation medium are great in growth condition, robust and uniform, and developed roots androbust plants are realized. By adoption of the domesticating cultivation medium for pinellia domesticating cultivation, required seedling hardening time is short, the seedlings can be transplanted infields only after 1-2 months, the survival rate reaches 95% or above, low use cost is realized, and production benefits are greatly increased.

The invention discloses a method for preparing isoborneol through continuous saponification of isobornyl acetate. Sodiumhydroxide and the isobornyl acetate are used as raw materials, and white isoborneol crystals are prepared through steps of saponification, rectification, layering, water washing, crystallization and the like. Continuous operation of a saponification reaction can be realized in an oscillatory flow reactor, a static mixer or an ultrasonic mixer; a polar solvent is added during reaction, so that the saponification reaction is conducted at a homogeneous phase, the reaction time can be shortened, the reaction temperature can be reduced, the conversion rate of the isobornyl acetate exceeds 99%, and the product yield exceeds 95%; the method is low in energy consumption for production and high in product yield.

Belonging to the technical field of fertilizers, the invention relates to a salt-alkali resistant, anti-continuous cropping and disease resistant macroelement water-soluble fertilizer (medium elementtype) and a preparation method. The water-soluble fertilizer is prepared from the following raw materials and formula: 10-20% of urea, 5-10% of crystal monoammonium phosphate, 20-30% of potassium dihydrogen phosphate, 30-40% of potassium sulfate, 5-10% of potassium fulvate, 5-10% of sodium humate, 2-5% of calcium ammonium nitrate, 2-5% of magnesium sulfate, 2-3% of amino acid powder, 1-1.5% of chitin, 0.3%-0.5% of compound sodium nitrophenolate, 0.2-0.3% of diethyl aminoethyl hexanoate, 0.2-0.3% of agricultural streptomycin, and 0.1-0.2% of bacillus subtilis. The water-soluble fertilizer provided by the invention is a good innovation, realizes the new breakthrough of combination of nourishing, disease resistant and yield increasing pesticides and fertilizers, and is incomparable by other water-soluble fertilizer patents. The macroelement water-soluble fertilizer especially has unique effects in salt and alkali resistance, continuous cropping resistance and disease resistance, completely solves the nutrient deficiency symptom and physiological diseases of crops, increases yield, improves quality, is green and environment-friendly, and is conducive to the development of ecological agriculture. The macroelement water-soluble fertilizer provided by the invention fills the domestic blank, and the technology takes the leading position at home and abroad.

The invention discloses a method for separating a polymyxin E fermentation liquid by multistage ceramic membrane microfiltration. The method comprises the following steps: 1) acidizing the polymyxin E fermentation liquid; and 2) sequentially passing the acidized polymyxin E fermentation liquid through the multistage ceramic membrane microfiltration system to perform microfiltration separation, wherein the pore sizes of the ceramic membranes in the ceramic membrane microfiltration system gradually decrease along the polymyxin E fermentation liquid microfiltration separation direction. The method has the advantages of mild conditions and low worker labor intensity, reduces the separation process steps and enhances the separation recovery yield.

The invention belongs to the technical field of vegetable oil extraction, and discloses a camellia oil hydraulic squeezing method based on a response surface method and a multi-objective genetic algorithm, which comprises the following steps: (1) sequentially changing the squeezing temperature, the squeezing time, the squeezing pressure and the water content of camellia seeds to carry out a singlefactor test on a camellia seed sample; (2) respectively establishing multivariate quadratic regression equations by taking the squeezing temperature, the squeezing pressure, the squeezing time and the water content of the camellia seeds as independent variables and taking the oil yield and the energy consumption as response values; analyzing according to the established multivariate quadratic regression equation to obtain a response surface map, and then confirming the optimal pressing temperature, the optimal pressing time, the optimal pressing pressure and the optimal camellia seed water content; and (3) carrying out hydraulic squeezing on the camellia seeds with the water content of the optimal camellia seeds at the optimal temperature and pressure, wherein the squeezing time is the optimal squeezing time. According to the method, the cost is reduced, the oil yield is increased, the flexibility is good, and the applicability is high.

The invention relates to a komatsuna- cultivation method, which belongs to the technical field of agriculture, in particular to a komatsuna- cultivation technique which can decrease the browning rate of a quick-frozen product. The pH value of the soil of a growing plot is controlled to be more than 8.0; 'Paradise' komatsuna stock seeds are chosen as seeds for production and overwintering cultivation, base fertilizer is applied in the process of soil plowing 10 to 15 days before seeding, foliar fertilizer is applied just one time respectively when the plant height of komatsuna is 25cm and 30cm, and plants with intact leaves and without disease and insect spots are harvested when the plant height reaches about 35cm. When the method is adopted, the prevention of the browning of quick-frozen komatsuna is started in the growing technology, the produced high-quality material can decrease the browning rate of the quick-frozen product by 5.2 to 8.4 percent, consequently, the market competitiveness of the product is enhanced, the demand of the export market is satisfied, and the economic benefit of enterprises is increased. The usage of fertilizer is controlled, blind fertilization is prevented, non-point source pollution is reduced, and the agroecological environment can be improved.

The invention discloses a method for increasing the content of vitamins of rice grains. The method comprises the following steps: A, constructing a recombinant vector; B, obtaining a transgenic plant;C, harvesting selfed seeds of single plant; D, selfing and seeding for the T1 generation; E, selfing and seeding for the T2 generation; F, selecting phenotype; and further comprises the steps of constructing the recombinant vector, namely separating the cDNA fragment of a gamma-tocopherol transmethylase gene from arabidopsis thaliana, and digesting and linking the cDNA fragment and specific gluten GluB-1 promoter of rice grains onto the expression vector pCAMBIA1300 to form the recombinant vector. According to the method, the content of vitamin E of rice grains is improved, the rice grain quality is improved, and a novel rice material with improved quality can be created.

The invention provides a picking method for fresh tea leaves. The picking method comprises the step that when standard bud leaves reach 60-100 per square foot and account for 50-90% of all the fresh tea leaves, mechanical picking is conducted on tea trees, wherein a tea picker with a mature leaf filtering device is preferably adopted for mechanical picking. By means of the picking method for the fresh tea leaves, mechanical picking is conducted within a specific time, the tea picker for mechanical collection is improved at the same time, the ratio of standard new shoots of mechanically-pickedtea leaves is increased, the miss picking rate is reduced, and processing and production of high-quality tea are facilitated; meanwhile, the labor intensity of tea leaf picking is also reduced, the production cost is reduced, and the sustainable development of tea production is improved.

The invention discloses a method for planting water melons. The method includes the following steps that in land selecting and seedling growing, sandy loam soil with loose soil texture is selected, seedling growing transplanting is adopted for planting of the water melons, nutritional soil is prepared, according to the proportion of the nutritional soil, 1/3 burned soil and 2/3 small and broken rice are used, then a nutrition bag or nutrition cup is used for containing the soil, 2 days before seeding, the nutritional soil is thoroughly drenched with clear water, and sterilizing is conducted with a small quantity of a Bordeaux mixture with the proportion being 1:1:100; a small arch greenhouse is set up, horizontal slope type planting ridges are made, the gradient is 55 degrees, and the interval between every two planting ridges is 140 cm. According to the method for planting the water melons, firstly, through soil fertilizer application, the structure of the soil can be improved, nutrients of the soil can be supplemented, the fertility of the soil can be enhanced, meanwhile, economic incomes can be increased, secondly, early-stage input can be well reduced, operation is easier, finally, contact between melons and fruits and soil can be reduced, the effects of keeping moisture and restraining weed growth can be realized, and better application prospects are realized.

The invention discloses a tea leaf processing fixation and strip tidying machine, which comprises a frame, and a leveling part, a fixation part and a strip tidying part arranged on the frame, one side of the fixation part is provided with a conveying mechanism for conveying tea leaves, the leveling part is arranged at the upper end of the conveying mechanism at one side of the fixation part, and the strip tidying part is arranged at the lower end of the conveying mechanism. The strip tidying part is arranged at one end, far away from the leveling part, of the fixation part, and a transition guide groove is formed between the strip tidying part and the fixation part; the de-enzyming and carding machine is low in manufacturing cost, reduces the labor cost, is beneficial to continuous production, and improves the production efficiency.

The invention discloses air cylinder assembling equipment and an assembling method, and belongs to the field of air cylinder assembling. The equipment comprises an electrical control system, an air cylinder rod core grabbing and arranging mechanism which is electrically connected with the electrical control system, an outer tube automatic feeding mechanism, a front top sleeve identification direction and mounting mechanism, an air cylinder inner and outer tube combination mechanism and a product output mechanism, wherein the air cylinder rod core grabbing and arranging mechanism, the outer tube automatic feeding mechanism and the front top sleeve identification direction and mounting mechanism are arranged on the periphery of the air cylinder inner and outer tube combination mechanism, andthe product output mechanism is connected with the air cylinder inner and outer tube combination mechanism. According to the equipment, under the condition that an existing air cylinder rod core is finished, so that the mounting direction and position of a front top sleeve can be avoided, the product quality is improved, the production efficiency is improved, the equipment is simple in structure,and is reasonable in design, and the method is easy to implement.