环氧乙烷广泛应用于合成乙二醇、二甘醇、三甘醇、乙醇胺、乙二醇醚和乙氧基化合物。
EO is widely used in synthesis of EG, diethylene glycol, triethylene glycol, aminoethyl alcohol, glycol ether, and oxyethylation compounds.
本发明公开了一种节能抗磨剂双磷酸酯多聚乙氧基双咪唑盐化合物及其制备方法。
The invention discloses a biphosphonate polyethoxy diimidazole salt compound as an energy-saving antiwear agent and a preparation method thereof.
本发明公开了一种节能抗磨剂双磷酸酯多聚乙氧基双咪唑盐化合物及其制备方法。
The invention discloses a polyethoxy diimidazole compound as an energy-saving antiwear agent and a preparation method thereof.
结果从仙茅中分得4个已知化合物，分别为仙茅苷、仙茅苷乙、仙茅素A及2，6-二甲氧基苯甲酸；
RESULTS 4 known compounds, 2,6-dimethoxybenzoic acid, curculigoside, curculigoside B, and curculigine A were isolated.
结果从仙茅中分得4个已知化合物，分别为仙茅苷、仙茅苷乙、仙茅素A及2，6-二甲氧基苯甲酸；
RESULTS 4 known compounds, 2,6-dimethoxybenzoic acid, curculigoside, curculigoside B, and curculigine A were isolated.
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