CN202072705U - Generating environment control system for microalgae cultivation - Google Patents

Generating environment control system for microalgae cultivation Download PDF

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Publication number
CN202072705U
CN202072705U CN 201120130875 CN201120130875U CN202072705U CN 202072705 U CN202072705 U CN 202072705U CN 201120130875 CN201120130875 CN 201120130875 CN 201120130875 U CN201120130875 U CN 201120130875U CN 202072705 U CN202072705 U CN 202072705U
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China
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led
module
little algae
light quality
light
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Expired - Fee Related
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CN 201120130875
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李许可
潘学冬
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HANGZHOU HANHUI OPTOELECTRONIC Tech CO Ltd
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HANGZHOU HANHUI OPTOELECTRONIC Tech CO Ltd
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    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M21/00—Bioreactors or fermenters specially adapted for specific uses
    • C12M21/02—Photobioreactors
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M31/00—Means for providing, directing, scattering or concentrating light
    • C12M31/02—Means for providing, directing, scattering or concentrating light located outside the reactor
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
    • C12M41/06—Means for regulation, monitoring, measurement or control, e.g. flow regulation of illumination
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
    • C12M41/48—Automatic or computerized control

Abstract

The utility model relates to a generating environment control system for microalgae cultivation; the generating environment control system comprises a controller and LED (light-emitting diode) lighting equipment formed by LEDs with multiple colors, wherein the controller comprises a microalgae variety judging module, a needed light quality acquiring module, an LED (light-emitting diode) selective module and a light quality adjusting module; the microalgae variety judging module is used for judging the variety of microalgae, the needed light quality acquiring module is used for acquiring the light quality needed by the microalgae; the LED (light-emitting diode) selective module is used for selecting the LED (light-emitting diode) with at least one color in the LED (light-emitting diode) lighting equipment according to the light quality; and the light quality adjusting module is used for instructing the selected LED (light-emitting diode) to give out light so as to modulate the needed light quality. In the generating environment control system, the LEDs (light-emitting diodes) with various colors are used for modulating the needed light quality; and as the light quality of the LEDs (light-emitting diodes) with various colors is stable, the modulated mixing light quality is also relatively accurate and can meet the requirements on the accuracy of the light quality needed for the microalgae cultivation.

Description

A kind of build environment Controlling System that is used for little algae cultivation
Technical field
The utility model relates to little algae and cultivates the field, particularly relates to a kind of build environment Controlling System that little algae is cultivated that is used for.
Background technology
Enter 21 century, the development of modern society is faced with shortage of resources and global warming two large problems.The little algae of development and use phototroph; directly sun power and greenhouse gases CO2 being changed into medicine, bio-based chemical (as natural pigment, isoprene etc.) and the bioenergy (as ethanol, butanols, biofuel etc.) that people's productive life needs, is the potential effective means that solves human resource, the energy and the ecocrisis that faces at present.
Little algae is a phototroph, can carry out the photosynthesis similar to higher plant, can pass through photosynthesis, utilizes sun power that CO2 is converted into organism.Though little algae photosynthesis is similar to the photosynthesis of higher plant, the photosynthetic efficiency of little algae will be far above higher plant.There are some researches show that little algae can be an organism with the conversion of solar energy of 10-20%, and higher plant photosynthesis only is 0.5% to the conversion of solar energy rate.
The illumination that domestic and international little algae is cultivated mainly is the illumination cultivation equipment based on conventional light source (as fluorescent lamp).Though it is this equipment can satisfy the primary demand of micro algae growth,, relatively poor to the regulating power of light quality as light application time and intensity of illumination.The light quality regulative mode of this equipment mainly contains two kinds: the one, utilize source of artificial light, and as incandescent light, fluorescent lamp etc., leach needed light quality with spectral filter or colored pvc film then; The 2nd, utilize fluorescent RE powder, by changing the blending ratio of fluorescent material, obtain the source of artificial light of different light medium.The light source light quality out of true of above-mentioned dual mode gained, the wave spectrum scope is up to a hundred nanometers, this directly causes the micro algae growth cycle stretch-out, the culture cycle of blue-green algae and green alga wanted for two weeks, culture cycle for diatom and dinoflagellate is then longer, take about one month, make the culture efficiency of little algae very low.
The utility model content
Technical problem to be solved in the utility model provides a kind of build environment Controlling System that little algae is cultivated that is used for, and this system can satisfy little algae and cultivate the requirement of required light quality to precision.
A kind of build environment Controlling System that is used for little algae cultivation of the utility model, comprise controller, the LED set lights of forming by multiple color LED, controller comprises that little algae kind judge module, required light quality acquisition module, LED select module and light quality adjustment module: little algae kind judge module is used to judge the kind of little algae; Required light quality acquisition module is used to obtain the required light quality of the little algae of this kind; LED selects module, is used for selecting at the LED set lights according to required light quality the LED of at least a color; The light quality adjustment module, the LED that is used for Instruction Selection is luminous, modulates required light quality.
Preferably, described controller also comprises required light intensity acquisition module and light intensity regulating module: required light intensity acquisition module is used to obtain the required light intensity of the little algae of mentioned kind; The light intensity regulating module is used to control the peak pulse duration of emitting led PWM, makes the emitting led required light intensity that reaches.
Preferably, system also comprises well heater, and controller also comprises temperature acquisition module and temperature control modules: the temperature acquisition module is used to obtain the temperature required of the little algae of mentioned kind and growing environment temperature; Temperature control modules is used for the control heater action, makes the growing environment temperature reach temperature required.
Preferably, system also comprises the CO2 conditioning equipment, and controller also comprises CO2 concentration acquisition module and CO2 concentration control module: CO2 concentration acquisition module is used to obtain required CO2 concentration and the growing environment CO2 concentration of the little algae of mentioned kind; CO2 concentration control module is used to control the work of CO2 conditioning equipment, makes growing environment CO2 concentration reach required CO2 concentration.
Preferably, described little algae is placed in the casing, and this casing comprises three layers of culture drawers, adopts dividing plate moving up and down to separate between each layer culture drawers; Controller is arranged on the casing top, and the LED set lights is arranged on the top of each layer culture drawers.
Compared with prior art, the utlity model has following advantage:
Leach needed light quality with respect to available technology adopting spectral filter or colored pvc film, or by changing the blending ratio modulation light quality of fluorescent material, the utility model utilizes the required light quality of LED modulation of each color, because of the light quality of each color LED is stablized, synthetic mixing light quality is also accurate relatively, can satisfy little algae and cultivate the requirement of required light quality to precision.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the utility model embodiment, to do to introduce simply to the accompanying drawing of required use among prior art and the embodiment below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is used for the build environment control method first embodiment schema that little algae is cultivated;
Fig. 2 is used for the build environment control method second embodiment schema that little algae is cultivated;
Fig. 3 is used for build environment control method the 3rd embodiment schema that little algae is cultivated;
Fig. 4 is used for build environment control method the 4th embodiment schema that little algae is cultivated;
Fig. 5 is used for the build environment Controlling System first embodiment synoptic diagram that little algae is cultivated;
Fig. 6 is used for the build environment Controlling System second embodiment synoptic diagram that little algae is cultivated.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Photosynthetic mechanism and raising farm crop photosynthetic efficiency are the theoretical basis of microorganism culturing, and the light quality of illumination is the important factor that influences photosynthetic efficiency.Little algae is as unicellular ptotoautotroph, and the kind diversity of little algae has determined different microalgae that light sources with different wavelengths is required difference.For example, because the existence of phycoerythrin, green glow is some micro algae growth the suitableeest required light source.Therefore, cultivate equipment with existing plant illumination and cultivate little algae, can't satisfy the different microalgae growth, make the culture efficiency of little algae low, and then limited seriously that little algae is cultivated and the research and development of product the most different demands of suitable light source.The set lights that the utility model selects for use LED (or OLED) to cultivate as little algae, luminous by the LED that selects different colours, be combined into required light quality, satisfy various types of little algae and generate required light quality.
Be used for build environment control method first embodiment that little algae is cultivated.
Referring to Fig. 1, concrete steps are as follows.
Step S101, judge the kind of little algae, obtain the required light quality of the little algae of this kind.
Controller is judged the kind of little algae according in advance setting or according to the input information that obtains, and for example blue-green algae, green alga, diatom or dinoflagellate are transferred the required light quality of the little algae of this kind again in storer according to the kind of little algae.Required light quality can be the wavelength of light source.
Step S102, the required light quality of foundation are selected the LED of at least a color in the LED set lights.
Controller judges at first whether the LED of each color in the LED set lights satisfies the requirement of required light quality, in this way, instructs the LED of this kind color luminous, for example selects purple LED, blue led, red LED, green LED, yellow led or White LED; As not, in the LED set lights, select the LED of two or more color, make the mixing light quality satisfy required light quality.For example, select green LED and yellow led.
The LED of step S103, Instruction Selection is luminous, modulates required light quality.
The utility model is modulated the required light quality of little algae by LED, the wavelength difference of LED modules with different colors light source.The utility model preferentially selects monochromatic LED luminous, to satisfy required light quality.Can not satisfy under the situation that required light quality requires at the light quality of monochromatic LED light source, select the LED of two kinds of colors luminous again, allow the mixing light quality of the led light source of color satisfies required light quality in two.Still can not satisfy required light quality as the led light source of two kinds of colors still, then select the LED of the color more than three kinds or three kinds, satisfy required light quality until the mixing light quality of the led light source of selecting.
Leach needed light quality with respect to available technology adopting spectral filter or colored pvc film, or by changing the blending ratio modulation light quality of fluorescent material, the utility model utilizes the required light quality of LED modulation of each color, because of the light quality of each color LED is stablized, synthetic mixing light quality is also accurate relatively, can satisfy little algae and cultivate the requirement of required light quality to precision.
Control method second embodiment.
Step S201, judge the kind of little algae, obtain the required light quality of the little algae of this kind.
Step S202, the required light quality of foundation are selected the LED of at least a color in the LED set lights.
The LED of step S203, Instruction Selection is luminous, modulates required light quality.
Step S204, the required CO2 concentration of obtaining the little algae of mentioned kind and growing environment CO2 concentration.
CO2 concentration also is one of key factor of little algae cultivation, and the utility model controller detects growing environment CO2 concentration by the CO2 detector, and this growing environment CO2 concentration and required CO2 concentration are compared.
Step S205, the work of control CO2 conditioning equipment make growing environment CO2 concentration reach required CO2 concentration.If growing environment CO2 concentration is greater than required CO2 concentration, instruction CO2 conditioning equipment discharge section CO2; If growing environment CO2 concentration is less than required CO2 concentration, instruction CO2 conditioning equipment replenishes CO2.
The utility model makes the CO2 concentration of growing environment satisfy the micro algae growth requirement by regulating CO2 concentration, further improves the growth efficiency of little algae.
Control method the 3rd embodiment.
Step S301, judge the kind of little algae, obtain the required light quality of the little algae of this kind.
Step S302, the required light quality of foundation are selected the LED of at least a color in the LED set lights.
The LED of step S303, Instruction Selection is luminous, modulates required light quality.
Step S304, obtain the required light intensity of the little algae of mentioned kind.
The peak pulse duration of step S305, the emitting led PWM of control makes the emitting led required light intensity that reaches.
The utility model makes the light intensity of light source meet the micro algae growth requirement by the emitting led light intensity of control, further improves the growth efficiency of little algae.
Control method the 4th embodiment.
Step S401, judge the kind of little algae, obtain the required light quality of the little algae of this kind.
Step S402, the required light quality of foundation are selected the LED of at least a color in the LED set lights.
The LED of step S403, Instruction Selection is luminous, modulates required light quality.
Step S404, obtain the temperature required of the little algae of mentioned kind and growing environment temperature.
Step S405, control heater action make the growing environment temperature reach temperature required.
Temperature is one of important factor of little algae cultivation, and the utility model makes it satisfy the micro algae growth requirement by regulating the temperature of micro algae growth environment, further improves the growth efficiency of little algae.
Based on the above-mentioned build environment control method that is used for little algae cultivation, the utility model also provides a kind of build environment Controlling System of cultivating based on little algae.
Controlling System first embodiment.
Referring to Fig. 5, this system comprises controller 51, and by the LED set lights 52 that multiple color LED forms, controller comprises that little algae kind judge module 511, required light quality acquisition module 512, LED select module 513 and light quality adjustment module 514.
Little algae kind judge module 511 is judged the kind of little algae, sends to required light quality acquisition module 512.Required light quality acquisition module 512 obtains the required light quality of the little algae of this kind, sends to LED and selects module 513.LED selects the required light quality of module 513 foundations to select the LED of at least a color in LED set lights 52, sends to light quality adjustment module 514.The LED of light quality adjustment module 514 Instruction Selection is luminous, modulates required light quality.
Controlling System second embodiment.
Referring to Fig. 6, this system comprises controller 51, by LED set lights 52, well heater 53 and the CO2 conditioning equipment 54 that multiple color LED forms, controller comprises that little algae kind judge module 511, required light quality acquisition module 512, LED select module 513, light quality adjustment module 514, required light intensity acquisition module 515 light intensity regulating modules 516, temperature acquisition module 517, temperature control modules 518, CO2 concentration acquisition module 519 and CO2 concentration control module 520.
Required light intensity acquisition module 515 obtains the required light intensity of the little algae of mentioned kind, sends to light intensity regulating module 516.The peak pulse duration of the PWM that 516 controls of light intensity regulating module are emitting led makes the emitting led required light intensity that reaches.
Temperature acquisition module 517 obtains the temperature required of the little algae of mentioned kind and growing environment temperature, sends to temperature control modules 518.53 actions of temperature control modules 518 control heaters make the growing environment temperature reach temperature required.
CO2 concentration acquisition module 519 obtains required CO2 concentration and the growing environment CO2 concentration of the little algae of mentioned kind, sends to CO2 concentration control module 520
The 520 control CO2 conditioning equipment work of CO2 concentration control module make growing environment CO2 concentration reach required CO2 concentration.
Be the cultivation of convenient little algae, the utility model can be placed on little algae in the casing, and this casing comprises three layers of culture drawers, adopts the dividing plate that can reach the standard grade mobile to separate between each layer culture drawers.Controller is arranged on the casing top, and the LED set lights is arranged on the top of each layer culture drawers.Every layer of drawer constitutes independent culture space, can carry out culture experiment to a kind of algae.Can be according to the growth conditions of different algal species, dividing plate can move the distance of adjusting between the light source algae up and down and carry out rational light intensity allotment utilization.
The utility model is used for the environment control method of little algae cultivation and the cultivation that system not only can be used for little algae, also can be used for the cultivation of plant-growth and photosynthetic bacterium.
The above only is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications; also can above-mentioned embodiment make up, these technical schemes of improving, retouching and being combined to form also should be considered as protection domain of the present utility model.

Claims (5)

1. one kind is used for the build environment Controlling System that little algae is cultivated, it is characterized in that, comprise controller, by the LED set lights that multiple color LED forms, controller comprises that little algae kind judge module, required light quality acquisition module, LED select module and light quality adjustment module:
Little algae kind judge module is used to judge the kind of little algae;
Required light quality acquisition module is used to obtain the required light quality of the little algae of this kind;
LED selects module, is used for selecting at the LED set lights according to required light quality the LED of at least a color;
The light quality adjustment module, the LED that is used for Instruction Selection is luminous, modulates required light quality.
2. the system required as claim 1 is characterized in that, described controller also comprises required light intensity acquisition module and light intensity regulating module:
Required light intensity acquisition module is used to obtain the required light intensity of the little algae of mentioned kind;
The light intensity regulating module is used to control the peak pulse duration of emitting led PWM, makes the emitting led required light intensity that reaches.
3. the system required as claim 1 is characterized in that system also comprises well heater, and controller also comprises temperature acquisition module and temperature control modules:
The temperature acquisition module is used to obtain the temperature required of the little algae of mentioned kind and growing environment temperature;
Temperature control modules is used for the control heater action, makes the growing environment temperature reach temperature required.
4. the system required as claim 1 is characterized in that system also comprises the CO2 conditioning equipment, and controller also comprises CO2 concentration acquisition module and CO2 concentration control module:
CO2 concentration acquisition module is used to obtain required CO2 concentration and the growing environment CO2 concentration of the little algae of mentioned kind;
CO2 concentration control module is used to control the work of CO2 conditioning equipment, makes growing environment CO2 concentration reach required CO2 concentration.
5. as claim 1,2,3 or 4 required systems, it is characterized in that described little algae is placed in the casing, this casing comprises three layers of culture drawers, adopts dividing plate moving up and down to separate between each layer culture drawers; Controller is arranged on the casing top, and the LED set lights is arranged on the top of each layer culture drawers.
CN 201120130875 2011-04-28 2011-04-28 Generating environment control system for microalgae cultivation Expired - Fee Related CN202072705U (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102633368A (en) * 2012-04-09 2012-08-15 复旦大学 Light quality and illumination intensity deployment strategy method by utilizing microalga-purified biogas slurry
CN102758027A (en) * 2011-04-28 2012-10-31 杭州汉徽光电科技有限公司 Generation environment control method and system for microalgae cultivation
CN102994364A (en) * 2012-09-06 2013-03-27 杭州朗拓生物科技有限公司 Intelligent illuminating equipment for red alga cultivation and spectrum modulating method
CN102994365A (en) * 2012-09-06 2013-03-27 杭州朗拓生物科技有限公司 Intelligent illuminating equipment for diatom cultivation and spectrum modulating method
CN103060172A (en) * 2012-09-06 2013-04-24 杭州朗拓生物科技有限公司 Intelligentized illumination equipment and spectra modulation method for brown alga culture
CN103060174A (en) * 2012-09-06 2013-04-24 杭州朗拓生物科技有限公司 Intelligentized illumination equipment and spectra modulation method for golden alga culture
CN103060173A (en) * 2012-09-06 2013-04-24 杭州朗拓生物科技有限公司 Intelligentized illumination equipment and spectra modulation method for blue algae culture
CN103060171A (en) * 2012-09-06 2013-04-24 杭州朗拓生物科技有限公司 Intelligentized illumination equipment and spectra modulation method for green alga culture
CN103695290A (en) * 2013-09-18 2014-04-02 中国科学院上海高等研究院 Microalgae stereoscopic cultivating device
CN103966086A (en) * 2014-04-25 2014-08-06 上海海洋大学 Internal and external hierarchically-adjusted and controlled light source system capable of adjusting and controlling light intensity and adjusting light color
EP2883950A1 (en) * 2013-12-12 2015-06-17 Stazione Zoologica "Anton Dohrn" Light system for aquatic photosynthetic organisms
CN107904141A (en) * 2017-12-25 2018-04-13 西安建筑科技大学 The reactor of ripple mixing control algae in a kind of simulation

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102758027A (en) * 2011-04-28 2012-10-31 杭州汉徽光电科技有限公司 Generation environment control method and system for microalgae cultivation
CN102758027B (en) * 2011-04-28 2013-12-25 杭州汉徽光电科技有限公司 Generation environment control method and system for microalgae cultivation
CN102633368A (en) * 2012-04-09 2012-08-15 复旦大学 Light quality and illumination intensity deployment strategy method by utilizing microalga-purified biogas slurry
CN103060172A (en) * 2012-09-06 2013-04-24 杭州朗拓生物科技有限公司 Intelligentized illumination equipment and spectra modulation method for brown alga culture
CN103060172B (en) * 2012-09-06 2014-06-18 杭州朗拓生物科技有限公司 Intelligentized illumination equipment and spectra modulation method for brown alga culture
CN103060174A (en) * 2012-09-06 2013-04-24 杭州朗拓生物科技有限公司 Intelligentized illumination equipment and spectra modulation method for golden alga culture
CN103060173A (en) * 2012-09-06 2013-04-24 杭州朗拓生物科技有限公司 Intelligentized illumination equipment and spectra modulation method for blue algae culture
CN103060171A (en) * 2012-09-06 2013-04-24 杭州朗拓生物科技有限公司 Intelligentized illumination equipment and spectra modulation method for green alga culture
CN102994364A (en) * 2012-09-06 2013-03-27 杭州朗拓生物科技有限公司 Intelligent illuminating equipment for red alga cultivation and spectrum modulating method
CN103060171B (en) * 2012-09-06 2014-08-13 杭州朗拓生物科技有限公司 Intelligentized illumination equipment and spectra modulation method for green alga culture
CN102994365A (en) * 2012-09-06 2013-03-27 杭州朗拓生物科技有限公司 Intelligent illuminating equipment for diatom cultivation and spectrum modulating method
CN103060173B (en) * 2012-09-06 2014-06-18 杭州朗拓生物科技有限公司 Intelligentized illumination equipment and spectra modulation method for blue algae culture
CN103060174B (en) * 2012-09-06 2014-06-18 杭州朗拓生物科技有限公司 Intelligentized illumination equipment and spectra modulation method for golden alga culture
CN103695290A (en) * 2013-09-18 2014-04-02 中国科学院上海高等研究院 Microalgae stereoscopic cultivating device
CN103695290B (en) * 2013-09-18 2016-03-02 中国科学院上海高等研究院 Micro-algae stereo cultivation apparatus
EP2883950A1 (en) * 2013-12-12 2015-06-17 Stazione Zoologica "Anton Dohrn" Light system for aquatic photosynthetic organisms
CN103966086A (en) * 2014-04-25 2014-08-06 上海海洋大学 Internal and external hierarchically-adjusted and controlled light source system capable of adjusting and controlling light intensity and adjusting light color
CN107904141A (en) * 2017-12-25 2018-04-13 西安建筑科技大学 The reactor of ripple mixing control algae in a kind of simulation

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