McLeod gauge,McLeod vacuum gauge

Some of fragment ions probably results in Mclafferty rearrangment.

其中许多碎片离子是由麦氏重排而得。

A systematical measure of the polarity scale of the Chinese porous polymer beads of this series of stationary phase has been carried out, including the McReynolds constant at 120 ℃ by using squalane as non-polar stationary phase and the relative constant to GDX-103 at 180 ℃.

在测定了 GDX-1 0 1～GDX-1 0 5系列固定相的相对麦氏常数的基础上 ,考察了柱温 1 40～ 2 2 0℃时 ,GDX-1 0 1及 GDX-1 0 3两种固定相的相对麦氏常数随温度改变的变化情况。