A thinlayer chromatographic(silica G) was reported for the seperation of long chain and short chain ethoxylated fatty amines, IR and EI/MS were used for studying of the structure.是什么意思_A thinlayer chromatographic(silica G) was reported for the seperation of long chain and short chain ethoxylated fatty amines, IR and EI/MS were used for studying of the structure.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句