713results about How to "Improve cultivation efficiency" patented technology

The invention discloses a method for cultivating pure white needle mushrooms. The method comprises the following steps: a strain is prepared; a culture material is prepared; bagging and sterilization are carried out; inoculation is carried out; a mycelium is cultured; nutrition, humidity, temperature, light, air and other culture conditions are strictly controlled during a fruiting period; and harvesting is carried out in an optimum period. the formulation of the culture material is 0 to 32 percent of weed tree sawdust, 0 to 93 percent of cotton seed hulls or wheat straw, straw, corncob and other crop straw, 0 to 20 percent of wheat bran, 0 to 10 percent of corn meal, 0 to 10 percent of soybean meal, 0 to 1 percent of calcium carbonate, 0 to 0.2 percent of monopotassium phosphate, 0 to 0.2 percent of magnesium sulfate, 1 to 1.2 percent of sucrose, 0 to 10 percent of rice bran, 0 to 1 percent of plaster and 0 to 0.02 percent of urea. Quicklime and wettable carbendazim are added during the preparation of the culture material so as to prevent the pollution of undesired bacteria. The technical proposal aims to select proper breeds, popularize local large scale planting and improve cultivation benefit.

Provided is a plant cultivation device that improves cultivation efficiency and usability. A plant cultivation device comprises: a rack unit provided with cultivation racks on which cultivation units accommodating plants are stored as culture medium units; and a conveying device which moves along a horizontal movement path defined by a guide rail, and performs transport of the culture medium units and loading / unloading of the culture medium units to / from the cultivation racks. Multiple cultivation racks constitute a cultivation rack row, in which the cultivation racks are arranged at multiple levels in an up-down direction. The rack unit comprises: a cultivation storage constituted of multiple cultivation rack rows; and a loading / unloading station having a stock rack row, in which the holding frames of cultivation units not accommodating plants are stored as empty units. The transport device performs loading / unloading of the holding frames to / from the stock rack row.

A method of growing photosynthetic organisms comprising providing the organisms with flue gases from a fossil-fuel power plant, the gases being previously treated by desulfurization. The carbon dioxide (CO2) concentration of the flue gases may be increased over the CO2 concentration as released from the power plant. Also disclosed is a method for producing ω fatty acids and bio-fuels comprising growing microalgae by providing said microalgae with flue gases from a fossil-fuel power plant.

Disclosed is an automatic feeding system for an underwater fish farm, which includes a marine base facility standing vertically in the sea; an underwater fish farm installed on an outer surface of the marine base facility; a storage tank installed inside the marine base facility to store feed to be supplied to the underwater fish farm; a feed transfer device transferring the feed discharged through an outlet of the storage tank; a feed supply device mixing seawater with the feed transferred by the feed transfer device and supplying the mixture to the underwater fish farm; a controller installed inside the marine base facility to control operations of the feed transfer device and the feed supply device; and an illumination device installed in the underwater fish farm to illuminate an inside of the underwater fish farm.

The invention relates to a method for cultivating coprinus comatua by utilizing fungus dregs in the edible fungus production field, which is characterized by utilizing the leftovers, namely fungus dregs, of the edible fungi instead of cottonseed hulls to cultivate the coprinus comatua, utilizing the method of biological fermentation to treat the fungus dregs and adding bran and other nutrients toform culture media, and effectively realizing cultivation of the coprinus comatua through the process flows of bagging, sterilizing, inoculating, hypha fermenting, cultivating, bag removing, soil covering, fruiting and harvesting, etc., wherein, the leftovers of the edible fungi are used for cultivating oyster mushrooms and needle mushrooms, etc. The method not only realizes resource of the organic wastes and reduces pollution of the organic wastes on the environment by developing and utilizing the leftovers of the edible fungi and conforms to the requirement on striving to develop circular economy encouraged by the state, but also greatly reduces the usage amount of the cottonseed hulls and other substances for cultivation, effectively lowers the production cost of the coprinus comatua, increases the cultivation benefits and ensures the biological conversion ratio to be more than 80%. The method utilizes the wastes and attains two objectives, thus being suitable for popularization andapplication in the rural areas.

The invention relates to an edible fungus compost, a production method thereof and an edible fungus culture process. The edible fungus compost disclosed by the invention consists of 40 to 90 parts of residual waste (spent mushroom substrate) left over after the harvest of edible fungi, 5 to 40 parts of cottonseed hulls, 3 to 20 parts of bran, 2 to 8 parts of corn meal, 1 to 2 parts of gypsum powder, 0 to 5 parts of quicklime, 0 to 2 parts of superphosphate and 0.05 to 0.8 parts of fungus-strengthening substance, and the pH value is 6 to 9. The invention adopts the residual waste (spent mushroom substrate) left over after the harvest of edible fungi as main material ingredient to produce the edible fungus compost. By implementing the invention, the residual waste of edible fungi cannot pollute the environment any more, and is made profitable, and the resource can be recycled; an edible fungus material resource is added, the economic burden caused by the shortage and higher prices of edible fungus materials is decreased for edible fungus farmers, the production cost of the method is reduced by more than 50 percent in comparison with the production cost of the conventional method, the yield is increased by 10 to 15 percent, the bioconversion rate reaches 80 to 120 percent, and economic income and social benefit are increased. The method is applicable to a variety of edible fungi.

The invention discloses a method for culturing chlorella. The invention provides a method for realizing mixed cultivation by taking a microorganism residue treatment solution as a main heterotrophic carbon source, which is characterized in that the mixed cultivation is carried out by conducting domestication cultivation on chlorella autotrophica under a heterotrophic condition through coupling the two processes of autrophism and heterotrophism; and after the mixed cultivation is ended and flocculated separation on a chlorella solution is ended, the chlorella solution is extracted to obtain grease, and remaining chlorella cells and microorganism residues which are not utilized can be used for further microalgae cultivation through a pretreatment process provided by the invention. In the method for culturing the chlorella, the coupling is realized on the two processes of the autrophism and the heterotrophism by using a cheap carbon source as an organic carbon source. A new way is provided for the technology for growing the grease through culturing microalgae on a large scale by the technical route of the invention.

The invention provides a timed and circulating AM (arbuscular mycorrhizal) fungus expanding propagation and functional experiment device and relates to culture of soil microorganisms. The device is provided with an incubator cover, an incubator, a culture medium, a space for adding an isotope and the like, a hypha chamber, a water drainage tank cover, a water drainage tank, a filter pump, a plant growth chamber, a nozzle regulation and control hook and a nylon net, wherein the incubator cover covers the incubator, the incubator is divided into the hypha chamber and the plant growth chamber by virtue of a longitudinal net, the culture medium and the space for adding the isotope and the like are placed in the hypha chamber, and a water drainage hole is formed in the bottom of the incubator; the water drainage tank is arranged at the bottom of the incubator, the water drainage tank cover covers the water drainage tank, the filter pump is arranged in the water drainage tank, the nozzle regulation and control hook and the nylon net are arranged in the plant growth chamber, an atomizing nozzle is formed in the nozzle regulation and control hook, the atomizing nozzle and the filter pump are connected by virtue of a PVC hose, and a plant fixing device is arranged on the top of the plant growth chamber.

The invention discloses a chrysanthemum one-step tissue culture quick breeding method. The method comprises the following steps of S1, obtaining aseptic tissue culture seedlings, collecting chrysanthemum explants, cutting the chrysanthemum explants into sections with buds and stems, sterilizing, cleaning, inoculating the sections to a culture medium to grow, transferring the sections to a new culture medium to grow after the new buds grow to be 2 to 3cm, and obtaining the aseptic robust maternal seedling with roots; and S2, one-step quick breeding, cutting the aseptic robust maternal seedlingobtained in S1 into sections with buds and stems, inoculating the sections to the culture medium to carry out passage and rooting culture, and enabling the sections with buds and stems to grow into complete plants. The method has the beneficial effects that the chrysanthemum tissue culture seedlings with roots do not need special seedling training, the robust growth is realized, the production cost is low, the genetic property of the obtained tissue culture seedling is uniform, the breeding coefficient is high, the breeding period is short, and the method is an effective path for the chrysanthemum tissue culture quick breeding; the culture medium of the tissue culture and the culture medium of the robust seedlings and roots belong to the same type of culture medium, so the operation difficulty is reduced, the culture efficiency is improved, and the application range is wide.

The stereo sunny plantation may be set on water surface, ground, roof, etc. and has one sun following turntable, on which there are several rows of culturing shelves with horizontal culturing grooves holding nutritive liquid and floating culture medium for plant to grow. On the culturing shelves, there may be trays or hung pots for various varieties of plant to grow. On the turntable, which may be as small as one square meter and as large as one hectare, there is solar energy greenhouse. The present invention may increase the culture area and raise the culture efficiency for several times.

The present invention discloses one kind of high density array type cell culturing device, storing device and experiment device. The cell culturing device includes carrier plate with ordered arranged slots of 0.3-0.4 mm depth and glass slides inside the slots. The storing device has one holder with ordered arranged openings for the circular sheets to be set in, and the openings have length smaller than the diameter of the circular glass slide, end width of 0.15-0.18 mm and middle width greater than the end width. The experiment device has experiment plate with ordered arranged notches for the sheets to be set in, and the notches have cross section shape matching the glass slides and depth of 4-6 mm. The present invention has the advantages of convenient use, high efficiency, high identity, etc.

The invention provides a method of producing Agrocybe aegerita strains by liquid culture and a preservation method of the Agrocybe aegerita strains. The method includes the steps and process parameters: liquid culture efficient strains are screened, namely the liquid culture strains with many pellets, uniform size and many surface burrs are optimally selected, the amount of culture pellets is 200-260 / ml, the pellets are 1.0-1.5mm in diameter, a shake-flask culture formula includes 1-3% of glucose, 2-4% of corn flour, 0.2-0.4% of yeast powder, 1.0-3.0% of wheat bran, 0.5-1.5% of KH2PO4 and 0.5-1.0% of MgSO4, with natural PH value, the culture medium formula for fermenting tank culture of Agrocybe aegerita liquid strains is provided, and process conditions for fermenting tank culture of Agrocybe aegerita liquid strains are established. The key technical problems of production of Agrocybe aegerita strains are solved by the production of Agrocybe aegerita strains by liquid culture; the production cycle is short, production cost is low, fruiting is even after inoculation, and management is facilitated.

The invention discloses a grass planting system based on soilless culture. The system comprises an incubator body which can be sealed manually, a temperature control unit, an illumination control unit, a moisture control unit and a central control unit, wherein the incubator body is internally provided with a grass culture unit, the temperature control unit is used for controlling and regulating the ambient temperature in the incubator body, the illumination control unit is used for controlling and regulating the illumination supply in the incubator body, the moisture control unit is used for controlling and regulating the moisture supply in the incubator body, and the central control unit is respectively connected with the temperature control unit, the illumination control unit and the moisture control unit electrically and is used for jointly controlling the temperature control unit, the illumination control unit and the moisture control unit. The system can be used for automatically controlling the growth environment of grass, the growth of grass is completely isolated from the external environment and is not influenced by the external environment, the automation degree of the planting system is improved greatly, the growth time of grass is shortened greatly, the culture efficiency is improved, and the yield of grass is large.

The invention discloses a premature efficient cultivation method of greenhouse vegetables. The method comprises the following steps of step I, constructing a greenhouse; step II, adjusting and controlling environment conditions in the greenhouse; step III, performing anniversary crop rotation arrangement of greenhouse vegetables; step IV, cultivating vegetables in the greenhouse; and step V, controlling diseases and insect pests and physiological barriers. According to the method disclosed by the invention, appropriate vegetable varieties are selected, fertilizer damage, pesticide damage, drought damage and continuous cropping obstruction can be overcome, and the cultivation efficiency is improved.

The invention discloses preparation and application of a soil ecosystem nursing microorganism bacterial fertilizer. The soil ecosystem nursing microorganism bacterial fertilizer contains abundant organic matters and beneficial bacteria, especially paecilomyces lilacinus. The preparation method for the fertilizer mainly comprises the following steps: preparation of a paecilomyces lilacinus strain; enlarged cultivation of a liquid strain used for production; preparation of a medium; addition of the paecilomyces lilacinus strain for enlarged cultivation; secondary fermentation; etc. The microorganism bacterial fertilizer is applied as a base fertilizer to soil according to an amount of 100 to 200 kg / mu, can improve soil, especially soil in a greenhouse, is capable of obviously mitigating harm of a plurality of plant nematode diseases caused by root-knot nematode, soybean cyst nematode, stem eelworm and the like, and alleviates continuous cropping obstacles.

The invention discloses a device for cultivating anaerobic granular sludge. The device is characterized in that an artificial sludge bed is arranged inside a body and is formed in a manner that a packing support pipe is fixed between an upper support plate and a lower support plate in a penetrating manner; the upper support plate and the lower support plate are fixed together with the body through a lower fixing frame; radial packings are evenly distributed on the pipe wall of the packing support pipe; a plurality of paths of inlet water distributors are arranged at the bottom part of the body and are connected with a water inlet pump; a water outlet pipe is arranged at the upper part of the body; an overflow weir is arranged on the body above the water outlet pipe; an exhaust pipe is arranged on the body above the overflow weir and is connected with an air collector; and a sludge pump connected to the lateral wall of the bottom part of the body is connected with a sludge collecting tank. The invention also provides a method for cultivating the anaerobic granular sludge. A strain cultivated by the device and the device is stable in performance and has a strong capacity of adapting to changes of an external environment, an expansion coefficient of the anaerobic granular sludge bed is high, a cultivation period of the anaerobic granular sludge is short, the cultivation efficiency is high, and the performance of the anaerobic granular sludge is stable.

A circulatory photobioreactor is provided. The circulatory photobioreactor comprises a first cultivating part, a second cultivating part and a pump part connecting the first cultivating part and the second cultivating part. The first cultivating part comprises a culture tank in which culture media are supplied and a first light source coupled to the culture tank, which illuminates the inside of the culture tank. The second cultivating part comprises a culture pipe placed outside of the culture tank and supplied with cultures from the culture tank and a second light source coupled to the culture pipe, which illuminates the inside of the culture pipe. The pump part is connected to both the first cultivating part and the second cultivating part in order to circulate the culture solution between them.

The invention discloses a soilless culture melon and fruit planting system, comprising a cultivation frame, wherein a liquid storage tank is arranged on the cultivation frame, the liquid storage tank is internally provided with a liquid storage cavity used for a nutrient solution to flow, the liquid storage tank is provided with a cultivation pot used for cultivating melon and fruit plants, the cultivation pot is internally provided with a cultivation cavity, the cultivation cavity is communicated with the liquid storage cavity by virtue of a liquid receiver. The system also comprises (1) a nutrient solution conveying and circulating unit, (2) a control unit and (3) a plant growth light, wherein the nutrient solution conveying and circulating unit is communicated with the cultivation cavity in the cultivation pot and the liquid storage cavity in the liquid storage tank to form a circulation loop, the control unit is electrically connected with the nutrient solution conveying and circulating unit and the plant growth light (3) is electrically connected with the control unit and is controlled by the control unit. The system disclosed by the invention can completely intelligently control a nutrition supply system and illumination automatic supply or supplement by virtue of a control center, degree of automation is high, melons and fruits grow in an environment with sufficient nutrients, production time is greatly shortened compared with natural environment and other open type artificial soilless culture environment, cultivation efficiency is improved, and yield is high.

The invention discloses a leaf vegetable planting system based on soilless culture. The system comprises a culture frame, wherein the culture frame is provided with a planting trough assembly for fixing cultured leaf vegetable, and the planning trough assembly is internally provided with a solution storage cavity in which a nutrient solution flows. The system further comprises (1) a nutrient solution conveying circulation unit which is communicated with the solution storage cavity in the planting trough assembly to form a circulating loop, (2) a control unit which is electrically connected with the nutrient solution conveying circulation unit and (3) a plant growth light which is connected with the control unit electrically and controlled by the control unit. The system can be used for creating an intelligent system for controlling nutrient supply and automatically supplying or supplementing illumination, can manage the nutrient supply and illumination of the leaf vegetable only through a control center and is high in automation degree, so that the leaf vegetable can grow in an environment with sufficient nutrients; and the leaf vegetable planting system based on soilless culture can be used for greatly shortening the growth time, improving the culture efficiency and achieving large leaf vegetable yield compared with a natural environment and other open type artificial soilless culture environments.

The invention discloses a culture method for rice seedlings. The rice seedlings are cultured by using a split root culture device; the side faces of two culture bowls of the device are butted; a cover plate and a cultivation plate are arranged above the culture bowls; the cultivation plate is provided with culture holes; the culture method comprises the following steps of: culturing 3-day rice seedlings in kimura nutrient solution with concentration of 50 percent for 2 days; replacing the kimura nutrient solution with the kimura nutrient solution with concentration of 100 percent for 12 days;taking consistently grown seedlings and wrapping stem base parts by using culture cotton; fixing in the culture holes of the cultivation plate; grouping rice seedling roots into equal groups A and B,wherein the group A is placed in the culture bowl containing the kimura nutrient solution, and the group B is placed in the culture bowl containing the culture solution of element deficient; adjusting the pH of the culture solution to 6.0 from 8 a.m. to 15 p.m. each day; and replacing the culture solution after culturing for 3 days, and after culturing to 4-12 days, taking the stems and leaves ofthe rice seedlings, the group A of cultured rice seedling roots and the group B of cultured rice seedling roots. The culture method is easy to operate; the personal error is avoided; the culture timeis saved; and the working efficiency is increased.

The invention discloses a three-dimensional simulation culture system for stem cells, and belongs to the technical field of biology. The invention solves the problems of complex operation, low efficiency, small yield and poor quality in an existing in-vitro culture of stem cells. The three-dimensional simulation culture system for the stem cells comprises a stem cell nest, a heart region first peristaltic pump, a lung region, a kidney region, a spleen region, a stomach region, a liver region, a first fluid pressure gauge, a first pressure regulating valve, a liquid level meter, a three-way valve, a first control valve, a temperature regulator, a thermometer, an oxygen / carbon dioxide measuring instrument, a PH measuring instrument, a nutritional ingredient measuring instrument, a second control valve, a second peristaltic pump, a third peristaltic pump, a urea / uric acid / inorganic salt measuring instrument, a fourth peristaltic pump, a third control valve, a second fluid pressure gauge,a second pressure regulating valve, a fourth control valve, a fifth control valve, a fifth peristaltic pump, a sixth control valve, a gas permeable membrane, a dialysis membrane, a central control platform, a cloud data center and an electromagnetic field. According to the three-dimensional simulation culture system for the stem cells, the stem cells with higher quality and quantity can be cultured, the stability is good, and the treatment effect of the stem cells is improved.

The invention belongs to edible fungi production technology field, and discloses a method to cultivate agrocybe chaxingu in a year by using civil air defense facilities. The method is characterized in that the cool in summer and warm in winter environmental feature of civil air defense facilities is taken advantage of to provide a suitable growing condition, so that the annual cultivation of agrocybe chaxingu is realized without air-conditioning equipment. The invention can greatly save energy, effectively reduce operation cost and enhance economic returns.

The invention belongs to the biologic field of micro algae, relating to a method for cleaning inner wall of pipeline type photobioreactor pipe in micro algae culture. Magnetic sphere is placed into a pipeline type photobioreactor, culture solution flows when being pushed by power, the magnetic sphere randomly enters into the pipeline of photobioreactor along with the culture solution and does directional movement or slides under manual regulation of a control system outside the pipeline, and the magnetic sphere continuously slightly collides and rubs pipe wall in circulated moving process in the photobioreactor pipeline, so that algae cell material adhered onto transparent pipeline inner wall is rubbed into liquid phase used for culturing micro algae, the pipeline photobioreactor pipeline is effectively cleaned and light transmission thereof is maintained. The invention can effectively clean cells into algae liquid phase at initial stage of adherence, or substance such as cell adhered to the inner wall of the pipeline type photobioreactor pipe is removed, restriction of micro algae cell adherence to micro algae cell culture is overcome, and good light transmission and culture effect of photobioreactor are maintained.

The invention discloses a method for high efficiency enrichment culture of microalgae. According to the invention, an airlift bioreactor and an illuminated airlift bioreactor are in series connection; the airlift bioreactor contains microalgae and a microalgae culture medium, air is introduced to realize airlift and aerobic culture, and a microalgae cell enrichment apparatus is employed in a liquid phase loop; the illuminated airlift bioreactor contains microalgae enriched from the airlift bioreactor and a microalgae culture medium, gas containing CO2 is introduced to realize airlift, supply of CO2 and desorption of O2, and the introduced gas containing CO2 is industrial CO2-containing tail gas which passes through a conveying pretreatment apparatus and then enters into the illuminated airlift bioreactor. Compared with the prior art, the method provided by the invention has the following advantages: high efficiency enrichment of microalgae cells and accumulation of high-content lipid of the microalgae cells are realized, a utilization rate of CO2 is increased, O2 desorption capability is enhanced, culture apparatuses are reduced, etc.

The invention discloses an insect cell serum-free culture medium and application thereof. The culture medium comprises amino acid, inorganic salt, vitamin and carbohydrate and further comprises 0.5-15mg / L of diethylenetriamine dioleoyl phosphatidylcholine and / or 0.1-10mg / L of distearoyl phosphatidyl choline; and particularly, further comprises 0.001-0.1mg / L of barium chloride dihydrate, 0.005-0.02mg / L of lithium chloride and 0.05-7mg / L of nickel chloride. The insect cell serum-free culture medium is simple and clear in components and low in cost and is easily prepared; by the insect cell serum-free culture medium, the insect cell culture efficiency and recombinant protein expression efficiency can be significantly increased and the large-scale culture and large-scale preparation of insect cells are well achieved.

The invention provides an efficient induction medium of sorghum anther. The formula of the medium is composed of a certain content of KNO3, NH4NO3, KH2PO4, CaC12 2H2O, MgSO4, Na2-EDTA, FeSO4 7H2O, MnSO4 H2O, ZnSO4 7H2O, H3BO3, KI, CuSO4 5H2O, CoC1 6H2O, NaMoO4 2H2O, ethylmethane sulfonate, glycine, inositol, vitamin B1, vitamin B6, nicotinic acid, D-arabinose base-2-deoxidation hexose, cane sugar, Phytagel, 2,4-D, kinetin, compound phthalein nucleic acid, plant sulfuration kinetin PSK-alpha, insulin and protein hydrolysate. The medium has the advantages of being capable of remarkably improving the callus rate of the sorghum anther and substantially improving the cultivation efficiency of the sorghum anther.

The invention discloses an automatic stem cell incubator which comprises an equipment frame, a feeding bin, an operation platform, a cell culture assembly, an air purification and disinfection systemand an electrical control system; the top of the feeding bin is connected with a first box cover through a first hinge piece, and an opening is designed to face the direction of the operation platformwhen the first box cover is opened; a first drawer assembly is arranged in the feeding bin, a second placing frame is arranged in the first drawer assembly, and a third placing frame connected with the first drawer assembly is further arranged in the feeding bin; a centrifugal machine, a heating box, a refrigerating box, a first placing frame and at least two robots are arranged in the operationplatform, and the tail ends of the two robots respectively comprise a grabbing mechanism and a pipettor; a dustbin and a photographing microscope are further included. According to the automatic stemcell incubator, full-closed automatic culture of stem cells is realized, a complete sterile environment is created by utilizing a special air purification and disinfection system and the feeding bin,a plurality of stem cell samples can be cultured at the same time, and the stability of the culture process is ensured.

The invention discloses a planting method of Evodia rutaecarpa, including site preparation, planting, and field management. The field management further regulates the planting of Evodia rutaecarpa from intertillage and weeding, fertilization, irrigation, plastic pruning, and adopts the method to plant Evodia rutaecarpa, standardizing the growth of Evodia rutaecarpa The cultivation process effectively improves the cultivation efficiency of Evodia rutaecarpa seedlings, improves the survival rate of the seedlings at the same time, provides a foundation for large-scale planting of Evodia rutaecarpa, and is green, environmentally friendly and healthy.

The invention relates to a digitalized automatic production system for mesenchymal stem cells of the umbilical cord, which is built by adopting three culture flasks as cell growth carriers, a combined mechanical production line and a digitalized full-automatic bioreactor. The three culture flasks are arranged on the production line and are externally connected with the bioreactor; the mechanical production line comprises a mechanical driving device and an electronic control device; the electronic control device is used for controlling the mechanical driving device according to processing dataof the bioreactor to ensure that the culture flasks finish oscillation, overturn, inclination at 90 degrees and other actions in the mechanical production line; the bioreactor comprises a control system, a detection device, a gas supply device, a liquid feeding device and a liquid draining device; the detection device is used for monitoring key parameters in the cell culture process; the key parameters are analyzed and processed by the bioreactor and are coordinated with the mechanical production line to automatically finish air supply, liquid feeding, liquid draining, collection operations, thereby the full process of cell culture is realized; and umbilical cord tissue blocks can be used for amplifying the mesenchymal stem cells of the umbilical cord to 109 in the automatic production system.

The invention discloses a divergent cold light source vertical microalgae culture photoreactor and belongs to the field of biotechnology. The invention adopts a technical scheme that: the divergent cold light source vertical microalgae culture photoreactor comprises a photobioreactor (1), a divergent cold light source (2), a reflecting material (3) and other parts, and is characterized in that: the photobioreactor (1) is an ellipsoidal container made of a transparent material, the bottom of the photobioreactor (1) is in a circular arc shape, and the photobioreactor (1) is used for culturing microalgae; the divergent cold light source (2) is a power-driven electric storage light source, can emit light around uniformly, and after being placed in the photobioreactor (1), performs irregular motion due to constant impact on the wall of the reactor in a motion process or moves along a preset track under the control of an internal program in the light source; and the reflecting material (3) is paved at the bottom of the photobioreactor (1), a new light source can be formed after reflection, and thus, the utilization rate of light is increased. The photobioreactor adopts a spherical light source capable of emitting light around, the light source can move to any part in the reactor to make sure the light intensity and illumination time in the reactor are consistent and eliminate dead corners of illumination; the motion of the spherical light source in the reactor realizes the stirring of microalgae culture water, ensures the culture solution and bacterial distribution in the reactor is uniform, contributes to the balanced absorption of nutrients by the microalgae, reduces wall growth of cells and greatly improves the efficiency of microalgae culture; and the bottom of the reactor is covered with the reflective material, the utilization rate of light is improved, and the energy consumption is lowered.