Poly ( vinyl alcohol ) has been protected against radiation by benzalation and benzoylation.

聚乙烯醇 的耐辐解可通地苄叉化和苯甲酰化提高.

辞典例句

Poly alcohol has been protected against radiation by benzalation and benzoylation.

聚乙烯醇的耐辐解可通过苄叉化和苯甲酰化提高.

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METHODS: The target compound was synthesized from N - benzyl protected aminoacetophenone through hydrogenation, benzoylation and reduction.

方法: 以氮 - 苄基保护胺基酮为原料,经氢化, 苯甲酰化,还原三步合成双苯甲酰沙丁胺醇酯.

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