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首页> 外文期刊>International Journal of Natural and Engineering SciencesbElectronic resource >Effect of Different Culture Media on Cell Concentrations of Chlorella Pyrenoidosa under Photoautotrophic Conditions
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Effect of Different Culture Media on Cell Concentrations of Chlorella Pyrenoidosa under Photoautotrophic Conditions

机译：自养条件下不同培养基对小球藻细胞浓度的影响

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摘要

The influence of light intensity and media on the growth of the freshwater microalga Chlorella pyrenoidosa has been studied. Four media each with 20, 35 and 55 μmol photons m-2s-1 light intensities resulting in twelve different combinations were studied. As light intensity increased from 20 μmol photons m-2s-1 to 55 μmol photons m-2s-1, there was a significant increase in cell concentration in all the media. Of the different growth patterns observed, maximum cell concentration of 6.85 x 106 cells per ml was obtained in BG11 medium at 55 μmol photons m-2s-1 corresponding to a specific growth rate (μ) of 0.327d-1 with a least doubling time (td) of 50.86h. It was observed from this study that as light intensity increased from 20 μmol photons m-2s-1 to 55 μmol photons m-2s-1 media had no significant effect on the growth of alga.
机译：研究了光强度和介质对淡水微藻小球藻小球藻生长的影响。研究了分别具有20、35和55μmol光子m-2s-1光强度的四种介质，产生了十二种不同的组合。随着光强度从20μmol光子m-2s-1增加到55μmol光子m-2s-1，所有介质中的细胞浓度均显着增加。在观察到的不同生长模式中，BG11培养基在55μmol光子m-2s-1下获得的最大细胞浓度为每毫升6.85 x 106个细胞，对应于0.327d-1的特定生长率（μ），且倍增时间最少（td）为50.86h。从这项研究中观察到，随着光强度从20μmol光子m-2s-1增加到55μmol光子m-2s-1，介质对藻类的生长没有显着影响。

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