英语语法分析

The reaction of molar ratio of pentamer to pyridine and products structure is studied.

由此研究了五聚体与吡啶的摩尔比与产物的结构的关系。

Phospholamban pentamer can function as an ion channel and the mechanism is also unclear.

受磷蛋白五聚体具有离子通道的功能，但是它的离子通透机制也是未知的。

The results showed that the obtained product is a mixture mainly composed of dimer, trimer, tetramer and pentamer .

结果表明，聚合物主要是二聚物、三聚物、四聚物、五聚物。