phase reversal

• 反相,倒相,逆相位

phase reversal的用法和样例：

例句

1. The stability of Norpin syrup was studied by reverse phase ion pair high performance liquid chromatography.
   建立了离子对反相高效液相色谱分析方法考察复方制剂诺平糖浆口服液的稳定性。