片语
CARBOWAX BRAND POLYETHYLENECAS聚乙二醇
carbowax-divinylbenzene二乙烯基苯
Carbowax 20M聚乙二醇20M
Carbowax or PEG醇型
polyglycol[高分子] 聚乙二醇
CARBOWAX BRAND POLYETHYLENE聚乙二醇
Carbowax compound 20M填料为聚乙二醇20M
Carbowax Amine伯仲叔胺和其他挥发性堿性分析物分析柱
carbowax x聚乙二醇
Carbowax 20M-TPA聚乙二醇
polyethylene glycol[高分子] 聚乙二醇;聚氧乙烯