In this paper a method of preparing acrylamide polymer in the powder form, using the solution-precipitation polymerization, is described.
本文介绍了用溶液沉淀聚合法制备粉状聚丙烯酰胺的方法。
A colloid that is not easily precipitated from a solution and is readily dispersible after precipitation by an addition of the solvent.
这种胶体不容易从溶液中沉淀出来，并且在加入溶剂使它沉淀以后很容易地分散。
Theoretical analyses have shown that boron benefits precipitation strengthening, solution strengthening and grain boundary strengthening.
理论分析表明：硼对沉淀强化、固溶强化和晶界强化均有贡献。
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