Using water glass and ferric sulfate, the coagulant PFSS was prepared with the oil_field wastewater treated.
用水玻璃对自制的聚合硫酸铁进行改性处理制得聚硅酸铁混凝剂(PFSS)，应用于油田含油废水的混凝处理。
The polynomial fit smooth sample (PFSS) method is given in this paper. The PFSS synchronizes tape reading, smoothing and sampling.
所提出的多项式拟合平滑取样方法（PFSS）使读带、平滑、取样同步进行。
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