环状化合物指分子中原子以环状排列的化合物,通常指有机化合物,如苯。环中有几个原子,该环就称“几元环”。“多环”指环的个数超过1,如萘;而“大环”则一般指环中原子个数大于12的环状化合物。
STH细胞中的粗面内质网围核环状排列;
这个分子包含四个呈环状排列的碳原子,每两个碳原子之间形成一个三价键。
The molecule contains four carbon atoms arranged in a ring with a triple bond between two of them.
研究人员发现,这一马达位于头壳和尾巴的交界处,是由列环状排列的gp17蛋白组成的。
The researchers found that the motor is located at the intersection of the capsid and the virus "tail" and is made of a circular array of proteins called gene product 17 (gp17).
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