采用嗜热四膜虫模型，探讨在水体富营养化治理中三种铁系纳米材料的环境安全效应。
The environmental safety effect of nano-sized iron materials including Fe_3O_4, Fe_3O_4-zeolite composite and iron-doped zeolite was studied using a tetrahymena thermophila model.
在黄河兰州市区段采集水样，利用嗜热四膜虫（Tetrahymena thermophila）BF5的生长曲线和世代时间作为指标来评价水质。
The growth curve and generation times of Tetrahymena thermophila BF5 are used to study the water quality of the Yellow River in Lanzhou City with five samples.
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