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甲基吡啶为原料,在定床反应器中通化钒的化剂发相接触氨化反应制备雷米封中间体4氰基吡啶,4甲基吡啶的转化率为99%,4氰基吡啶的选择性为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.

“甲基鈷胺不僅不含氰化物，且吸收效果顯著更好，可，無需複雜的轉換過程，並且與較低的副作風險相關，”伯格博士解釋道。