The breakthrough curves in fixed-bed were also carried out on the conditions of the different bed height, different volume flux and different initial concentration.
采用固定床测定了不同床层高度、不同流量及不同初始浓度下的动态透过曲线；
The biodegradation rate was greatly influenced by the sediment content and the initial concentration of petroleum contaminants, and such effect was different from one degradation stage to another.
水体中泥沙的含量和石油类污染物的初始浓度均显著影响石油类污染物的生物降解速率，且在不同时段的影响不一；
Batch trials were conducted at different initial cerium ion and granule concentration.
序批式实验在不同初始铈离子浓度及颗粒污泥浓度下进行。
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