“苄叉”造句
2024年04月19日 09:59:25
聚乙烯醇 的耐辐解可通地
苄叉化和苯甲酰化提高.
Poly ( vinyl 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.
Poly alcohol has been protected against radiation by benzalation and benzoylation.
比较研究了三种含
苄叉环戊酮基团的新型香豆素类光敏染料.
Absorption spectra of three novel coumarin sensitizer incorporate benzylidene cyclopentanone moiety were studied.