The relationship between substrate biodegradation and biomass growth is studied in the complete mixing activated sludge system when it is used to treat domestic seawater.
介绍了采用完全混合活性污泥系统处理含海水污水，研究了基质降解与生物增长量之间的关系。
Then—alkanes with a complete range of carbon number are observed in the saturated hydrocarbons of the bitumen and no evidences of severe biodegradation occur.
这些沥青的饱和烃中正烷烃系列碳数分布完整，没有遭受过严重生物降解作用的迹象。
PLA fiber is of starch of lactic acid as raw materials, to complete natural circular, has the biodegradation of fiber.
纤维是以淀粉制得之乳酸为原料，属于完成自然循环型，具有生物降解性的纤维。
PLA fiber is of starch of lactic acid as raw materials, to complete natural circular, has the biodegradation of fiber.
纤维是以淀粉制得之乳酸为原料，属于完成自然循环型，具有生物降解性的纤维。
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