沉淀液（Precipitation Solution）的配置方法 10gCTAB（先用约600ml ddH 2 O 加热溶解），50ml 1M Tris-HCL（Ph=8.0），20ml 0.5M EDTA，定容至1000ml 备用。
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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。
New experimental and theoretical physical research related to the formation of polymer membranes by immersion precipitation of a polymer solution were reviewed.
综述了近期关于浸入沉淀相转化法制备聚合物分离膜的理论和实验研究工作。
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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