popularly

1.The author outlines the type, characteristics of coagulant popularly used; especialy discusses the application conditions and extents of polyacrylamide, polyiron sulfate and poly alum.

介绍了目前应的凝剂的种类、性质,较详尽的论述了丙烯、合铁和合铝分子化合物的件和应范围。