Poly ( vinyl alcohol ) has been protected against radiation by benzalation and benzoylation.
聚乙烯醇 的耐輻解可通地芐叉化和苯甲?；岣?
辭典例句
Poly alcohol has been protected against radiation by benzalation and benzoylation.
聚乙烯醇的耐輻解可通過芐叉化和苯甲?；岣?
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METHODS: The target compound was synthesized from N - benzyl protected aminoacetophenone through hydrogenation, benzoylation and reduction.
方法: 以氮 - 芐基保護(hù)胺基酮為原料,經(jīng)氫化, 苯甲?；?還原三步合成雙苯甲酰沙丁胺醇酯.
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