单词:pyridyl
音标:['piridil] ;
吡啶 基, 氮苯基
n. A hypothetical radical, C5H4N, regarded as the essential
residue of pyridine, and analogous to phenyl.
residue of pyridine, and analogous to phenyl.
单词:pyridyl 相关文章
Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. NationalGeographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti
发表于:2018-12-30 / 阅读(63) / 评论(0)
国家地理2008年
Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. National Geographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti
发表于:2019-01-22 / 阅读(68) / 评论(0)
自然百科2008年