adj.二環(huán)的(兩圈的；自行車的)

Shenyanglink, bicyclic, the entire three-ring are the number ah?? 沈陽一環(huán)，二環(huán)，三環(huán)的全程分別是多少啊？？？

Monocyclic compounds yield is up to 95% as bicyclic comp... 當(dāng)雙環(huán)裂解率達(dá)70%25時,單環(huán)收率仍可達(dá)95%25。

Aim: To sythesize pentanoate and hexanoate of caged bicyclic phosphate. 目的：合成籠狀雙環(huán)磷酸酯的戊酸酯及己酸酯衍生物。

Aim:To sythesize pentanoate and hexanoate of caged bicyclic phosphate. 目的:合成籠狀雙環(huán)磷酸酯的戊酸酯及己酸酯衍生物。

Aim: To synthesize carboxylate derivatives of caged bicyclic phosphate. 目的:合成籠狀雙環(huán)磷酸酯的羧酸酯衍生物。