研究了三种土壤反硝化细菌的生态分布。
The ecological distribution of denitrifying bacteria in the three soils was studied.
研究了水稻、大麦根际和根际反硝化细菌的生态分布。
The ecological distribution of denitrifying bacteria on rhizoplane and in rhizosphere of rice and barley was studied.
对表面活性剂和反硝化细菌协同处理含硫化亚铁颗粒污油的可行性进行了研究。
Feasibility of synergistic treatment of iron sulfide laden and stabilized slops simultaneously by use of surfactant and sulfide scavenger was studied.
有益的氨化细菌和硝化细菌成倍增加，而无益的厌氧性细菌、反硝化细菌则受抑制。
The beneficial ammonifier and the nitrifying bacteria double increase, while the unbeneficial anaerobic bacteria and denitrifying bacteria are inhibited.
根际细菌和硝化细菌数量随着水力停留时间增加而增加，而根际反硝化细菌数量则减少。
The number of heterotrophic bacteria and nitrifying bacteria increased with the time of the hydraulic retention time, contrary to the nitrobacter.
方法采用多孔陶粒作反硝化细菌固定化载体，研究下流式固定床生物反应器的适宜脱氮条件；
Methods Porous ceramics were used as immobilization carrier. Optimum conditions for nitrate-nitrogen removal of downflow fixed-bed bioreactor were studied.
施用有机肥（酵素菌肥）处理的硝化细菌数量低于施用尿素处理，但反硝化细菌数量则明显高于尿素处理。
The quantity of nitrifiers disposed by organic manure was a little fewer than that by urea treatment, but there were obviously more denitrifiers.
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.
本试验得出的主要结论有：1。不同培肥处理对土壤自生固氮细菌、土壤氨化细菌、硝化细菌、反硝化细菌影响差异显著。
Main conclusions educed from this experiment were as follows:1. The effect of different fertilizing treatments on soil ammonifying bacteria, nitrobacteria, denitrobacteria was significant.
本试验得出的主要结论有：1。不同培肥处理对土壤自生固氮细菌、土壤氨化细菌、硝化细菌、反硝化细菌影响差异显著。
Main conclusions educed from this experiment were as follows:1. The effect of different fertilizing treatments on soil ammonifying bacteria, nitrobacteria, denitrobacteria was significant.
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