包含含甲基的的英语例句 | 欧路词典例句词典

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Cyanopyridine,intermediate of rimifon, was synthesized from 4-picoline using vanadium oxide as a catalyst in a fixed-bed reactor, reached 99% conversion of 4-picoline, 88% selectivity and 87.

以4甲为原料,在固定床反应器通过含氧化钒的化剂发生气固相接触氨氧化反应制备雷米体4氰,4甲的转化率为99%,4氰的选择性为88%,收率为87。

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原声例句

【营养学】Vitamin B12

" Not only is methylcobalamin cyanide-free, but it's also significantly better absorbed, can immediately be utilized without the need for complex conversion processes, and is associated with a lower risk of side effects, " explains Dr. Berg.

“甲基鈷胺氰化物，而且吸收效果顯著更好，可以立即利用，而無需複雜轉換過程，並且與較低用風險相關，”伯格博士解釋道。