85results about How to "Even distribution of nutrients" patented technology

The invention discloses a photobioreactor which aims at providing a set of solution scheme for cultivating microalgae with simple production, convenient disassembly and high efficiency. The photobioreactor comprises a buffer/gathering system, a detecting device, a reaction region and a gas exchange device, wherein the buffer/gathering system is a transparent drum with a taper-shaped bottom and is connected with two pipelines respectively used for cycle cultivation and microalgae collection; the detecting device is introduced from the upper part of the buffer/gathering system; the reaction region comprises a plurality of circular transparent photoreaction tubes; and the gas exchange device is connected with the inner part of the reaction region. The photobioreactor realizes the circulation of a cultivation system through a peristaltic pump, adjusts the ventilation of each photoreaction tube through a gas pump and a plurality of gas valves, has simple and convenient operation and high mass transfer efficiency, and is suitable for fast cultivation of microalgae with a large number.

The invention discloses an ecological BB fertilizer, relating to a mutifunctional ecological environment friendly compound fertilizer, which is formed by mixing functional urea, controllable slow release sulfurcoated urea, monoammonium phosphate, diammonium phosphate, potassium sulfate particle (or potassium chloride), agricultural magnesium sulfate particle, ammonium sulfate, bio-organic inorganic compound fertilizer, endophytic PASP fertilizer synergist DA-6, plant growth regulator and trace elements. Special ecological BB fertilizer for different plants can be prepared by soil testing formula, according to different farm crops and different soil structure. The ecological BB fertilizer can take effect for 3-120 days, the nutrition release is balanced, biological stress of the farm crop such as drought resistance, cold resistance, salt resistance, or the like can be improved. The product of the invention has great operation significance for increasing yield of grain, reducing production cost, steadily increasing grain production, keeping rural incomes growing, improving utilization rate of the fertilizer, reducing fertilizer waste, protecting ecological environment, guaranteeing farm crop quality and safety, and ensuring sustainable development of the agriculture.

The invention discloses a flavored mashed sweet potato and a processing method thereof. The flavored mashed sweet potato is prepared by processing mashed sweet potato and modified starch, the mass ratio of which is 1-6:1, and further comprises pyrophosphate and fermented rice vinegar which respectively account for 0.1 percent to 0.5 percent and 0.04 percent to 0.3 percent of the gross mass of the mashed sweet potato and the modified starch; wherein the mashed sweet potato is made of one or more of purple sweet potato, Chinese sweet potato and sweet potato with red core. The processing method takes the one or more of the purple sweet potato, the Chinese sweet potato and the sweet potato with red core as raw materials and sequentially comprises the processing steps of cleaning, peeling, steam boiling, coarse grinding, mixing, fine grinding, stewing, packaging, pre-cooling, quick freezing, etc. The flavored mashed sweet potato has the advantages of special local flavor, total nutrition, high added-value, convenient eating, easy preservation and the like, and the processing method has the advantages of low cost, simple operation and the like.

The invention discloses a nutrition-enriched rice and a preparation method thereof. The nutrient-fortified rice is made of rice, water and nutrition enriching materials by preparing and mixing and squeezing for reconstructing tissues; wherein the mass ratio of the rice to water is (1.7-2.6):1; and the nutrition enriching materials are micro metallic elements or vitamins needed by human body or the mixture of dietary fiber, polypeptide and phospholipid. The nutrition-enriched rice has the advantages of high added-value, total nutritional function, uniformly distributed nutrients, stable property, good preservation and effective utilization of resource; and the preparation method has the advantages of simple operation, high use ratio of raw materials, low cost, good economic effects and the like.

The invention which discloses a special slow release fertilizer for corn zinc power and a preparation method thereof relates to the technical field of slow release fertilizers. The preparation method which follows a nutrient absorption rule of corn comprises the following steps: burdening heated short grained urea, monoammonium phosphate, potassium chloride, chelated zinc, a urease inhibitor, a nitration inhibitor and bentonite according to a prescribed ratio, fusing urea at a high temperature, mixing, nozzle-granulating, cooling, screening, metering, and packaging. The special fertilizer has the advantages of reasonable nutrient distribution ratio, corn photosynthesis promotion, effective improvement of the absorption utilization rate of the fertilizer, and production cost saving.

The invention discloses a scale production method for high-content astaxanthin haematococcus pluvialis. The scale production method includes algae species culture, species bottle culture, closed tubular photobioreactor culture, indoor pond photobioreactor culture and outdoor pond reactor astaxanthin accumulation culture. Algae species rapidly grow and breed under an optimized growth condition in a laboratory and are accumulated to reach a certain cell concentration and then inoculated to a closed tubular photobioreactor by a sterile tube for secondary enlarged culture, the algae species are inoculated to an indoor pond photobioreactor for tertiary growth culture to reach the highest algae cell quantity after haematococcus pluvialis grows to a certain density, cultured haematococcus pluvialis green cells are transferred into the outdoor pond photobioreactor and accumulate a large quantity of astaxanthin under stressed conditions, and the scale production process of the haematococcus pluvialis is finally finished. Compared with the prior art, the scale production method has the advantage that the astaxanthin content exceeds international level reported at present and reaches 7.2% or more.

The invention relates to a high-tower granulation slow release long-effect chlorine base compound fertilizer and a preparation method thereof, which belong to mixed fertilizers. Firstly, a high-tower granulation device is used for preparing high-tower granulation urea compound fertilizer particles, then, the paraffin primary covering and the modified zeolite powder surface secondary covering are carried out on the urea compound fertilizer particles to obtain the high-tower granulation urea compound fertilizer particles, and the high-tower granulation urea compound fertilizer particles consist of the following ingredients in part by weight: 35 to 50 of urea, 35 to 45 of potassium chloride and 15 to 20 of ammonium chloride. In the paraffin primary covering process, the paraffin consumption is 0.5 percent to 1.2 percent of the mass of the high-tower granulation urea compound fertilizer particles, and the modified zeolite powder consists of the following ingredients in percentage by weight: 1 to 5 of zinc stearate and 95 to 99 of zeolite powder. The invention provides the high-tower granulation slow release long-effect chlorine base compound fertilizer and the preparation method thereof, and the high-tower granulation slow release long-effect chlorine base compound fertilizer is matched with the high-tower granulation device to be used and has the advantages that the slow release effect is good, the fertilizer nutrient utilization rate is high, the process is simple, the production cost is lower, and the soil, atmosphere and water body environment is favorably protected.

The invention discloses a tower granulation slow release long-acting nitrogen phosphorus potassium compound fertilizer and a preparation method thereof, and belongs to compound fertilizers. The preparation method comprises the following steps of: preparing tower granulation urea-based compound fertilizer granules by using a tower granulation device; and then performing wax primary coating and modified zeolite powder surface secondary coating on the urea-based compound fertilizer granules to prepare tower granulation urea-based compound fertilizer granules, wherein the tower granulation urea-based compound fertilizer granules consist of the following raw materials in parts by weight: 33-50 parts of urea, 10-26 parts of monoammonium phosphate and 30-41 parts of potassium chloride; the amount of used wax is 0.5-1.0 percent of the mass of the tower granulation urea-based compound fertilizer granules; and the modified zeolite powder consists of the following raw materials in percentage by weight: 1-5 percent of zinc stearate and 95-99 percent of zeolite powder. The tower granulation slow release long-acting nitrogen phosphorus potassium compound fertilizer which has the advantages of good slow release effect, high fertilizer nutrient utilization rate, simple process, low cost and contribution to environmental protection in use with the tower granulation device and the preparation method thereof are provided.

The invention belongs to the field of sand planting and particularly relates to multi-hole planting sand which can be directly used for retaining water and fertilizer and a sand planting structure with the planting sand. The planting sand is a sand ball with a multi-hole structure which is formed by sticking natural sand grains and binder which at least contains hydrophily binder, and a hole which is suitable for adsorbing is formed between the adjacent natural sand grains. According to the planting sand, existing natural sand grains are utilized to form holes through cementation, holes which are suitable for use and enable external beneficial compositions are enabled to be loaded on the surface of the sand ball to be formed between the adjacent sand grains, multi-hole performance of the sand ball is utilized to effectively maintain nutrition fertilizer, fertilizer such as the nutrition compositions which are fertilized in the outside world in a planting process is loaded in the holes which are formed among the sand grains, and therefore a situation that the fertilizer is lost with the loss of water is prevented, and use ratio of the fertilizer is increased.

The invention belongs to the field of sand planting, and particularly relates to a composite sand planting structure containing porous planting sand and nutrient planting sand which are used for planting and have functions of water retention and fertilizer retention. The composite sand planting structure comprises a planting container, the porous planting sand and the nutrient planting sand, wherein the porous planting sand and the nutrient planting sand are laid in the planting container. The porous planting sand is a sand ball in a porous structure, wherein the sand ball is formed by natural sand granules and adhesion agents at least containing hydrophilic adhesives in an adhesive mode, and a pore suitable for adsorption is formed between each two adjacent natural sand granules. The nutrient planting sand comprises the porous planting sand and nutrient membranes wrapping the surface of the porous planting sand. According to the composite sand planting structure, water retention performance and fertilizer retention performance of the porous planting sand and the nutrient planting sand are made use of, the venting planting container performs an assistant function, fertilizer loss is beneficially reduced, and growth of plants is benefited.

The invention belongs to the field of sand planting, and particularly relates to composite nutrient planting sand which can be directly used for planting and has functions of water retention and fertilizer retention and a sand planting structure containing the composite nutrient planting sand. The planting sand comprises a porous sand ball, a microbe bacterium membrane and a nutrient membrane, wherein the microbe bacterium membrane and the nutrient membrane are sequentially wrapped outside the surface of the porous sand ball from inside to outside. The porous sand ball is in a porous structure formed by natural sand granules and adhesion agents at least containing hydrophilic adhesives in an adhesive mode, and a pore suitable for adsorption is formed between each two adjacent natural sand granules. According to the planting sand, the existing natural sand granules are adhered and form pores, nutrient fertilizer is effectively maintained by means of porous performance of the sand ball, accordingly the fertilizer and other nutrient substances which are suitable for plant growth can be loaded in pores and on surfaces through hanging membranes, the planting sand capable of supplying the fertilizer is formed, necessary fertilizer nutrients are provided for the plant growth and meanwhile fertilizer the occasion that the fertilizer runs off along with water loss is effectively avoided, and the utilization rate of the fertilizer is beneficially improved.

The invention belongs to the field of sand planting, and particularly relates to a sand planting structure containing composite nutrient planting sand which can be directly used for planting and has functions of water retention and fertilizer retention. The sand planting structure comprises a planting container and the composite nutrient planting sand laid in the planting container. The planting sand comprises a porous sand ball, a microbe bacterium membrane and a nutrient membrane, wherein the microbe bacterium membrane and the nutrient membrane are sequentially wrapped outside the surface of the porous sand ball from inside to outside. The porous sand ball is in a porous structure formed by natural sand granules and adhesion agents at least containing hydrophilic adhesives in an adhesive mode, and a pore suitable for adsorption is formed between each two adjacent natural sand granules. According to the composite nutrient sand planting structure, water retention performance and fertilizer retention performance of the composite nutrient planting sand are made use of, the venting planting container performs an assistant function, fertilizer loss is beneficially reduced, and growth of plants is benefited.

The invention discloses nutritious noodles for infants and a preparation process thereof. The nutritious noodles are prepared by mixing the following materials and ingredients in mass percent: 95-99% of wheat powder, 0.1-1.4% of tomato powder, 0.05-1.0% of beef powder, 1.0-2.0% of compound mineral substance, and 0.08-0.15% of compound vitamins. The nutritious noodles for infants prepared according to the above-mentioned preparation method can be used by cooperating with various kinds of auxiliary materials and nutrients to make nutritious noodle products suit for the taste of infants. In the preparation process, the food safety can be ensured and the food flavor can be maintained.

The invention discloses a method for planting feed wheat. The method comprises the following steps of land preparation and fertilization, wherein phosphate fertilizer, potash fertilizer and organic fertilizer are spread on a land, and then rotary tillage and land preparation are performed; sowing, wherein sowing is conducted according to the sowing amount of 8-12 kg per mu, nitrogen fertilizer isapplied along with sowing, and watering is conducted after sowing; field management, wherein watering is performed in the seedling stage, compound fertilizer application and watering are performed inthe rising stage, the elongation stage and the booting stage, and watering is performed in the filling stage; and production and utilization, wherein mowing is performed in the middle tillering stage,stubbles of 5-10 cm are left after mowing, and then whole wheat is harvested in the milk-ripe stage to prepare silage. The winter wheat planted by adopting the planting method is balanced in nutrientsubstances, the yield of mowed fresh grasses is high, and the prepared silage is high in quality.

The invention relates to the technical field of foods, in particular to a preparation method of an antialcoholism product. The antialcoholism product comprises alcohol dehydrogenase and aldehyde dehydrogenase obtained through crushing saccharomyces cerevisiae cells, as well as L-arabinose obtained through fermentation of corn husk enzymatic hydrolysate. The product prepared by the method disclosed by the invention can be made into a product in any forms accepted by bromatology and health-care food science, and the made antialcoholism product has obvious effect of neutralizing the effect of alcoholic drinks.