环丁烷 meaning in Chinese

diethylene
tetramethylene
thiacyclobutane

Cyclobutane exists predominantly in a "butterfly" conformation .
环丁烷主要成“蝶式”构象存在。
This phenomenon does not occur with 1-2-dimethylenecyclobutane .
在1，2--二亚甲基环丁烷中并不发生这种现象。
cyclobutane exists predominantly in a "butterfly" conformation, in which the dihedral angle between the two wings is about 20°。
环丁烷主要成“蝶式”构象存在，其中两翼间的二面角大约为20。
This phenomenon does not occur with 1 - 2 - dimethylenecyclobutane
在1 ， 2 - -二亚甲基环丁烷中并不发生这种现象。
Uv radiation induced two major classes of pyrimidine dimmers : the pyrimidine ( 6 - 4 ) pyrimidone photoproduct ( 6 - 4 product ) and the cyclobutane pyrimidine dimmer ( cpd )
紫外光照射可导致生物体产生两种损伤： ( 6 - 4 )光产物和环丁烷嘧啶二聚体。