本研究的目的是通过调查某些触发条件对实验室规模分配系统内硝化细菌种群的影响，进一步了解氯胺化分配系统中硝化细菌的发生率。这项研究的目的是检测氯胺残留水平降低对氨氧化细菌生长的影响，以及温度效应。包括10个参考文献、表格和图表。

The objective of this research was to further understand the incidence of nitrificationepisodes in chloraminated distribution systems, by investigating the effects that certain trigger conditions have on a nitrifying bacteria population within a bench-scale distribution system. The goal of the research was to examine the effect of lowered chloramine residual levels on the growthof ammonia-oxidizing bacteria, in conjunction with temperature effects. Includes 10 references, table, figures.