对焦化废水反硝化段的试样进行了细菌数量及菌相分析研究，对反硝化细菌在反硝化段生态环境中的分布进行了探讨。
The number and group of bacteria in the denitrified samples and the distribution of denitrified bacteria at the denitrified stage from Shanghai Coking Plant have been studied.
对焦化废水反硝化段的试样进行了细菌数量及菌相分析研究，对反硝化细菌在反硝化段生态环境中的分布进行了探讨。
The number and group of bacteria in the denitrified samples and the distribution of denitrified bacteria at the denitrified stage from Shanghai Coking Plant have been studied.
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