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分馏沉淀
1、precipitation means───降水量
2、precipitation reaction calculator───沉淀反应计算器
3、precipitation forecast───降水预报
4、precipitation definition───降水量定义
5、precipitation───n.[化学]沉淀,[化学]沉淀物;降水;冰雹;坠落;鲁莽
6、precipitation map───降水量图
7、precipitation reaction───[化学]沉淀反应
8、precipitation hardening───[机]析出硬化;淀积硬化;淀积[脱溶]硬化
1、Solution polymerized styrene-butadiene rubber ( S-SBR ) was fractionated by repeated precipitation method, using redistilled toluene as solvent and ethyl alcohol as precipitant.───用甲苯作溶剂,乙醇作沉淀剂,用沉淀分级法,对溶聚丁苯橡胶 (S S B R)进行了分级。