题目内容

在厌氧条件下，微生物将硫酸盐还原为硫化氢的过程称为————————。

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湖泊水体中微生物种类多样性与水面面积有关，面积越大，微生物多样性________。

死区现象，即水体富营养化的根本原因是________________。

Which of the following reactors has a continuous input, output, and are completelymixed?

A. Batch reactor
B. Chemostat
C. Plug flow reactor
D. Swquencing batch reactor

We can enumerate cells in pure cultures by all of the following EXCEPT: ()

A. Most probale number
B. Plate counts
C. turbidity
D. PCR