采用实验室模拟的方法研究了松花江自然水体生物膜、悬浮颗粒物和沉积物吸附铅、镉的热力学规律。
The adsorption thermodynamic characteristics of Pb and Cd onto natural biofilm, suspended solids and sediments collected from Songhua River were firstly investigated.
金属楼梯通向一层办公室，悬浮的黑色楼梯为到达较小的二层提供途径。
This metallic staircase leads to the first-floor offices, where a suspended black staircase provides access to a smaller second floor.
反应器不同格室的挥发性悬浮固体（VSS）浓度也明显不同，前面格室的VSS高于后面格室。
The volatile suspended solid(VSS) concentrations were different in different compartments, the first two compartments had higher VSS concentration.
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