mass-to-charge ratio

The diagnosis model which comprising of 3 protein peaks with mass-to-charge ratio of 4903.00 、 4971.15 、 5343.98 can obtain high sensibility and specificity .

由质荷比为4903.00、4971.15、5343.98的3个差异蛋白峰组成的诊断模型的敏感度、特异度高，对MM临床诊断有重要意义。

While most of the mass-to-charge ratio differs in58 u , it can be concluded that the repeat unit of the polyether polyols is propylene oxide .

从各主要分子离子峰之间质荷比差值都是58，推断该聚醚多元醇以环氧丙烷为单体。