国产高清精品免费区-男女一进一出抽搐免费视频-中日韩一二三级黄色永久视频-日韩精品人妻一区二区免费视频-日本久久视频在线观看-99热这里只有精品88热-亚洲韩国黄色最新短视频一区-日韩伦理在线观看免费全集-国产av一区二区三区天堂

Cyclic Olefins

《英文msh詞典》Cyclic Olefins
[同義詞] Cyclic Olefins
[主題詞] Cycloparaffins
[英文釋義] Alicyclic hydrocarbons in which three or more of the carbon atoms in each molecule are united in a ring structure and each of the ring carbon atoms is joined to two hydrogen atoms or alkyl groups. The simplest members are cyclopropane (C3H6),cyclobutane (C4H8),cyclohexane (C6H12),and derivatives of these such as methylcyclohexane (C6H11CH3). (From Sax,et al.,Hawley's Condensed Chemical Dictionary,11th ed)

熱門(mén)查詢(xún)