triethylene glycol 中文意思是什麼
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Chiral quaternary ammonium salts were synthesized from cinchonine in cinchona alkaloids using chloromethylated polystyrene - polyethylene glycol, diethylene glycol, triethylene glycol and glycol as polymer - supported phase transfer catalysts, finsl products were characterized by ftir, elemental analysis, scanning electron microscopy, x - ray photoelectron spectroscopy ( xps )
摘要以金雞納生物堿中的辛可寧為原料，氯甲基化聚苯乙烯聚乙二醇、一縮二乙二醇、二縮三乙二醇、乙二醇等為載體合成了幾種聚合物負載的手性季銨鹽，並對它們的結構用紅外光譜、元素分析、掃描電鏡和x射線光電子能譜等測試手段進行了表徵。 -
Monoethylene glycol for industrial use. determination of diethylene glycol and triethylene glycol. gas chromatographic method
工業用乙二醇中二乙二醇和三乙二醇含量的測定氣相色譜法 -
Standard test method for aldehydes in mono -, di -, and triethylene glycol spectrophotometric method
單雙和三乙二醇中醛類的標準試驗方法 -
Standard test methods for odor of ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, and dipropylene glycol and taste of propylene glycol
乙二醇，二甘醇，三甘醇，丙二醇和雙丙二醇氣味以及丙二醇味道的標準試驗方法
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