bacteria a filter的意思|示意

The results indicate that the predominant organism groups were a complicated ecosystem including bacteria, protozoa and algae in the biotrickling filter while it was only fungi in the biofilter.

结果表明：生物滴滤池中形成了由细菌、藻类及原生动物组成的复杂生态系统，而生物过滤池中真菌为优势微生物。

The inactivation experiment, bacteria counting experiment and some other experiments indicated that biological oxidation had a significant effect on iron-removal in the said filter candle.

通过灭活试验和细菌计数等试验验证该滤柱在除铁中，生物氧化起主要作用。

Sterilizing the bulk solution by passing it through a 0.22 micron bacteria-retentive filter.

使用0.22微米的除菌滤摸过滤原液，进行灭菌。