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词汇
preped
释义
preped
BNC²³⁶²¹³⁺
¹
例句
Polyethylene glycol monomethyl ether PGME fatty arid esters were Preped fain methyl fatty acid ester and PGME in the presence of sodium methoxide as catalyst.
在碱催化下通过聚乙二醇单甲醚 PGME和脂肪酸甲酯的酯交换反应合成了 PGME脂肪酸酯。
cnki
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the even distribution of food
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更新时间：2025/2/7 19:41:10