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

Pipeline photobioreactor for scale culture of microalgae

InactiveCN1721523AOvercome technical difficulties that cannot be scaled up effectivelyFully disinfectedBioreactor/fermenter combinationsBiological substance pretreatmentsBubble columnWater flow
The present invention belongs to the field of micro algae biotechnology, and is especially one kind of closed pipeline optical bioreactor plant for large scale culture of micro algae. The optical bioreactor plant includes transparent pipeline, gas analyzing unit, auxiliary pipe system, culture parameter sensing and controlling unit and economic micro algae. The present invention adopts large gas analyzing unit, parallel connected transparent pipes, mechanically drive water flow, mutual light blocking of cells, etc. to ensure the gas exchange inside the reactor for photosynthetic metabolism, reduce oxidation damage and light damage, replenish CO2 effectively, reduce the blocking of bubble column on water flow, and raise micro algae culturing efficiency and yield. In addition, the optical bioreactor plant may be established in place with sufficient sun light to utilize natural light effectively.
Owner:INST OF OCEANOLOGY - CHINESE ACAD OF SCI

Photobioreactor

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.
Owner:ENN SCI & TECH DEV

An ecological BB fertilizer

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.
Owner:苏州盛泽科技创业园发展有限公司

Method for culturing orchid special strain thereof

The invention discloses a method for culturing an orchid and a special bacterium thereof. The name of the bacterium of the invention is GDB181 the preservation number of which is CGMCCNo.2574. The method of the invention includes the steps for together culturing the bacterium of the invention and the orchid. The bacterium of the invention is applicable for the root culturing of an orchid bacteria and builds an epiphyte bacterium with excellent root which effectively coexists with the orchid. The method of the invention for culturing the orchid can better control the inoculation amount and can fix the inoculation position, thus fully ensuring the tissue culture seedling of the orchid to build the coexistence relation with the epiphyte bacterium with excellent root, simultaneously simplifying the inoculation steps and reducing the inoculation times. Permanent effect can be achieved by being inoculated for once, thus avoiding the dead seedling phenomenon caused by a plurality of manual inoculations, thereby improving the survival rate of transplanting and obtaining the root orchid seedling which grows strongly. Therefore, the method for culturing bacterium, the culture medium of the bacterium and the culture medium of the orchid of the invention has important economic values and is applicable for popularization and application.
Owner:金辉

Flavored mashed sweet potato and processing method thereof

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.
Owner:HUNAN AGRICULTURAL UNIV

Nutrition-enriched rice and preparation method thereof

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.
Owner:HUNAN AGRICULTURAL UNIV

Special slow release fertilizer for corn zinc power and preparation method thereof

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.
Owner:STANLEY AGRI GRP CO LTD

Scale production method for high-content astaxanthin haematococcus pluvialis

InactiveCN106906142AFull flowFull exchange compensationUnicellular algaeMutant preparationGreen cellStress conditions
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.
Owner:烟台布鲁拜尔生物制药有限公司

Soil improver prepared from waste materials of ecological fermentation bed and preparation method thereof

The invention belongs to the technical field of ecological agriculture and in particular relates to a soil improver prepared from waste materials of an ecological fermentation bed as well as a preparation method of the soil improver. The soil improver prepared from waste materials of the ecological fermentation bed is prepared from the following components in parts by mass: 90-100 parts of waste materials escaping from the ecological fermentation bed, 20-30 parts of wheat straws, 20-30 parts of corncob powder, 10-15 parts of gulfweed, 10-15 parts of a chitin liquid, 3-4 parts of plant ash, 1-3 parts of shell powder, 3-5 parts of silkworm excrement, 5-10 parts of bentonite, 1-5 parts of seaweed soil, 3-5 parts of humic acid, 0-1 part of microelements and 1-3 parts of an enzymic preparation. The soil improver provided by the invention has the advantages that the utilization of the waste materials escaping from the ecological fermentation bed in a pig raising process is increased, the structure and fertility of soil are improved, and the soil improver is environmental-friendly and ecological and low in price.
Owner:INST OF AGRI RESOURCES & ENVIRONMENT SHANDONG ACADEMY OF AGRI SCI +1

High-tower granulation slow release long-effect chlorine base compound fertilizer and preparation method thereof

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.
Owner:STANLEY AGRI GRP CO LTD

Tower granulation slow release long-acting nitrogen phosphorus potassium compound fertilizer and preparation method thereof

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.
Owner:STANLEY AGRI GRP CO LTD

Multi-hole planting sand and sand planting structure

ActiveCN103168638ACircumstances against lossIncrease profitCultivating equipmentsPlant StructuresNatural sand
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.
Owner:BEIJING RECHSAND SCI & TECH GRP

Laying hen feed additive

The invention relates to the field of animal feed additive, in particular to a layer feed additive. The layer feed additive is characterized by comprising according to the weight parts: 60-80 of spirulina powder, 10-15 of garlic powder, 20-30 of licorice powder, 2-5 of calcium glycerophosphate and 0.01-0.05 of citric acid; superfine crushing is carried out for the spirulina powder, garlic powder and licorice powder; subsequently, according to the proportioning, the crushed raw materials are mixed uniformly with the calcium glycerophosphate and citric acid; subsequently, sterilizing, cooling and packaging operations are carried out to prepare the layer feed additive. The layer feed additive can provide sufficient nutritional compositions such as calcium element, phosphorus element, selenium element and the like for the layer, improve the immunity of the layer, balance the gastrointestinal microbial community, provide balanced nutrition, is easy to be absorbed and utilized and has low price.
Owner:TIANJIN SHENGJI GRP CO LTD

Green composite feed for livestock and poultry

The invention relates to the field of animal feed, in particular to green compound feed for beasts and birds. The compound feed comprises the following components in weight portion: 25 to 45 portions of corn meal, 8 to 15 portions of bean cake, 15 to 25 portions of wheat bran, 2 to 25 portions of rice bran, 0.4 to 0.8 portion of salt, 0.04 to 0.2 portion of prebiotics, 2 to 5 portions of spirulina powder, 1 to 5 portions of calcium biphosphate and 0.01 to 0.05 portion of citric acid. The corn meal, the bean cake, the wheat bran and the rice bran are subjected to superfine grinding, and then mixed with the salt, calcium biphosphate powder and citric acid powder, the spirulina powder and the prebiotics according to a proportion, stirred evenly, sterilized, cooled, and packaged to obtain the compound feed. The compound feed can provide enough nutrients such as protein, trace elements, and the like, has no antibiotics and no hormone, can balance microbe groups in intestines and stomachs of the beasts and the birds, provides balanced and rich nutrition, has low cost and is suitable for industrial production.
Owner:TIANJIN SHENGJI GRP CO LTD

Composite sand planting structure

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.
Owner:BEIJING RECHSAND SCI & TECH GRP

System for treating high concentrated organic wastewater by three-phase fluidized algae photobioreactor

The invention relates to a high concentrated organic wastewater treatment system for a three-phase fluidization algae photobioreactor, which comprises a regulating reservoir and a reactor, wherein, the reactor comprises a reacting cylinder body, and a temperature detection device and a water quality detection device are arranged in the reacting cylinder body; a light source is arranged inside and / or outside the reacting cylinder body; the upper part of the reacting cylinder body is provided with an enlargement area, and the enlargement area comprises an effluent weir and an algae body outlet; the bottom of the reacting cylinder body is provided with a gas distribution device, and a frustum air inlet area is arranged below the gas distribution device; a water inlet and a water outlet are respectively provided with a sampling port and a flowmeter, and an air inlet is provided with a gas flow indicator. The system can be taken as a treatment device for high concentrated organic wastewater such as brewing wastewater, sugar wastewater and so on, is suitable for the treatment of small-scale high concentrated organic wastewater, is also suitable for the treatment of large-scale high concentrated organic wastewater, can realize the continuous operation of the process and the optimizing control of the whole process, and is easy to realize cooperative coupling operation with other treatment systems.
Owner:GUANGZHOU JINRUN ENVIRONMENTAL PROTECTION TECH +1

Device and method for preparing nitric phosphate fertilizer from nitric acid acidolysis phosphorite freezing decalcification mother liquor

The invention relates to the technical field of nitric phosphate fertilizer polymerization rate increase and in particular to a device and a method for preparing a nitric phosphate fertilizer from nitric acid acidolysis phosphorite freezing decalcification mother liquor. Mother liquid discharged from a decalcification mother liquor tank is divided into two paths of decalcification mother liquor, aphosphoric acid extraction unit is coupled with a decalcification mother liquor concentration unit, and then the two paths of the decalcification mother liquor can be respectively treated differentlyand are subjected to synthesis treatment in a synthesis pelletizing tower, so that the polymerization rate of the nitric phosphate fertilizer prepared by using a freezing method is increased, and thequality of the nitric phosphate fertilizer is improved.
Owner:GUIZHOU BATIAN ECOTYPIC ENG CO LTD

High-tower granulation slow-release long-acting high-nitrogen sulfenyl compound fertilizer and preparation method thereof

The invention discloses a high-tower granulation slow-release long-acting high-nitrogen sulfenyl compound fertilizer and a preparation method of the high-tower granulation slow-release long-acting high-nitrogen sulfenyl compound fertilizer, and belongs to compound fertilizers. High-tower granulation urea compound fertilizer particles are prepared by a high-tower granulation device, then wrapped by paraffin for the first time and wrapped by modified zeolite powder for the second time, so that the high-tower granulation slow-release long-acting high-nitrogen sulfenyl compound fertilizer is prepared. The high-tower granulation urea compound fertilizer particles consist of the following raw materials in parts by weight: 33 to 43 parts of urea, 26 to 38 parts of monoammonium phosphate and 19 to 41 parts of ammonium sulfate; the using amount of the paraffin for wrapping for the first time is 0.5 to 1.0 percent of the mass of the high-tower granulation urea compound fertilizer particles; andthe modified zeolite powder consists of the following raw materials in parts by weight: 1 to 5 parts of zinc stearate and 95 to 99 parts of zeolite powder. The preparation method can be mated with the high-tower granulation device, and the high-tower granulation slow-release long-acting high-nitrogen sulfenyl compound fertilizer has a good slow-release effect and high fertilizer nutrient utilization rate, is simple in process, relatively low in production cost and beneficial for soil, atmosphere and water environment protection.
Owner:STANLEY AGRI GRP CO LTD +1

High tower-granulated sustained-release long-acting sulfur-based nitrogen-phosphor-potassium compound fertilizer and preparation method thereof

The invention discloses a high tower-granulated sustained-release long-acting sulfur-based nitrogen-phosphor-potassium compound fertilizer and a preparation method thereof, and belongs to the field of compound fertilizers. The preparation method comprises the following steps of preparing urea compound fertilizer particles through a high tower granulation device, carrying out first coating of the urea compound fertilizer particles with paraffin, and then carrying out second surface coating with modified zeolite powder to obtain the high tower-granulated sustained-release long-acting sulfur-based nitrogen-phosphor-potassium compound fertilizer. The urea compound fertilizer particles obtained by high tower granulation comprises: by weight, 35 to 50 parts of urea, 20 to 25 parts of monoammonium phosphate, and 30 to 40 parts of potassium sulfate. A use amount of the paraffin is 0.5 to 1.0% of the weight of urea compound fertilizer particles obtained by high tower granulation. The modified zeolite powder comprises: by weight, 1 to 5% of zine stearate and 95 to 99% of zeolite powder. The high tower-granulated sustained-release long-acting sulfur-based nitrogen-phosphor-potassium compound fertilizer can be utilized in conjunction with a high tower granulation device, has good sustained-release effects, a high fertilizer utilization rate and high potassium sulfate content, and is be beneficial for protection of soil, air and water environments. The preparation method has simple processes and low costs.
Owner:STANLEY AGRI GRP CO LTD

Shoot bending technology for citrus shatangju

ActiveCN108684412AGuaranteed healthy growthAchieving high yields year after yearCultivating equipmentsDiseaseFruit tree
The invention relates to the technical field of cultivation of fruit trees, in particular to a shoot bending technology for citrus shatangju. The technology comprises the following steps of S1, cultivation of plants; S2, operation before shoot bending; S3, operation of shoot bending; S4, operation within one week after the operation of shoot bending; S5, core maintenance of the shoot bending technology, wherein core maintenance involves the procedures of 1, conditions of winter topdressing, 2, winter topdressing, 3, the flower bud germinating phase 4, the flower bud phase, 5, operation beforegermination of summer shoots, 6, operation before germination of autumn shoots and 7, operation of 10 days after germination of the autumn shoots; S6, advanced maintenance of the shoot bending technology. The shoot bending technology has the advantages that the phenomenon of biennial bearing is avoided, and the growth of the upper portions, the lower portions, the front portions and the rear portions of tree bodies after shoot bending is balanced; the growth and development of fruits are promoted, the sprouting problem is effectively solved, and flower bud differentiation of fruit-bearing mother shoots is promoted; the pressure of diseases and insect pests is relieved, the ventilation and light transmission of the tree bodies are improved, the temperatures of the tree bodies and the placesaround the tree bodies are lowered, and the plant protection efficiency is improved; the labor intensity of farmers is lowered, the fruit bearing parts are dwarfed and centralized in distribution, and picking is facilitated.
Owner:本生(惠州)生物技术有限公司

Composite nutrient planting sand and manufacture method thereof

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.
Owner:BEIJING RECHSAND SCI & TECH GRP

Sorghum special-purpose slow release fertilizer containing trace element and preparation method thereof

The invention discloses a sorghum special-purpose slow release fertilizer containing trace element, which belongs to the technical field of agricultural fertilizer. The sorghum special-purpose slow release fertilizer is prepared by components of granule urea, monoammonium phosphate, potassium chloride, EDTA chelated zinc, a urease inhibitor, a nitrated inhibitor and bentonite. The sorghum special-purpose slow release fertilizer has the advantages of comprehensive nutrient and reasonable ratio, the added trace elements such as zinc can promote photosynthesis and increase stress resistance; the sorghum special-purpose slow release fertilizer can eliminate soil hardening condition and is capable of loosening soil, the slow release fertilizer nitrogen nutrient is matched with sorghum absorption, and can be taken as a base fertilizer for one time application before sorghum sowing, topdressing is not required, the fertilization flow is simplified, and the sorghum special-purpose slow release fertilizer has the advantages of fertilizer saving and labor saving.
Owner:STANLEY AGRI GRP CO LTD

Light bioreactor

This invention discloses a photo bioreactor, which is a small-scale photo bioreactor with such advantages as simple production, low cost and high microalgae culture efficiency. A transparent bioreactor is mounted on a base. The air vent at the upper part of the transparent bioreactor is sealed, and equipped with an air pipe. The air pipe is connected with air filter, three-way regulative valve and air compressor in sequence. An exhaust mouth is set at the side of the transparent bioreactor, which is sealed and equipped with an air pipe. A bacteria-filtration membrane or filter medium is set at the bottom end of the air pipe. Multiple light sources surround the transparent bioreactor on the base. The photo bioreactor realizes the preparation of compressed sterile air by using the air compressor and the filter, and the adjustment of the sterile air flux into the reactor by using the three-way regulative valve. The photo bioreactor can thus realize the adjustment of dissolved CO2 concentration in microalgae culture system and the stirring degree, and ensure uniform nutrition distribution in the system. The photo bioreactor has such advantages as simple production.
Owner:TIANJIN UNIV OF COMMERCE

Preparation process of high tower fulvic acid and ureaformaldehyde compound fertilizer

The invention relates to a preparation process of a high tower fulvic acid and ureaformaldehyde compound fertilizer and belongs to the technical field of compound fertilizers. By adopting high tower prilling production, the preparation process comprises the following steps: A, preparing a primary mixed material; B, preparing a fulvic acid and ureaformaldehyde liquid; and C, preparing the fulvic acid and ureaformaldehyde compound fertilizer. The preparation process is simple to operate, easy to control and high in rate of finished products, and the produced compound fertilizer is stable in product quality, low in operating cost, low in energy consumption and free of pollution.
Owner:河北中仁化肥集团有限公司 +1

Composite nutrient sand planting structure

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.
Owner:BEIJING RECHSAND SCI & TECH GRP

Nutritious noodles for infants and preparation process thereof

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.
Owner:扬州方广食品有限公司

Method for planting feed wheat

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.
Owner:绵阳市农业科学研究院

Preparation method of antialcoholism product

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.
Owner:TIANJIN TIDAI MEDICINE SCI & TECH

An ecological BB fertilizer

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.
Owner:苏州盛泽科技创业园发展有限公司
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