On the other hand, those creatures might just be too small to be caught easily by the filters used to winnow life from water for analysis in the first place.
另一方面，那些生物可能太微小不容易被过滤器捕捉到。过滤器用于实验开始时把生物从水中筛选出来以便进行分析。
Used in the poisonous gas purification, waste gas treatment, industrial and life water purification processing, solvent recovery, etc.
用于有毒气体的净化，废气处理，工业和生活用水的净化处理，溶剂回收等方面。
It suggested that the tea polyphenols abstracted with this method could be used to clean life water and recover heavy metal in sewage etc.
建议用本方法提取的茶多酚用于净化生活用水和污水中重金属回收等工程。
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