题目内容

通过自旋驰豫，可以维持高能态核的微弱多数。

查看答案

搜索结果不匹配？点我反馈

更多问题

HSQC detects correlations of two nuclei separated by one bond, while HMBC detects correlations of two nuclei over longer ranges of about 2-4 bonds.

Both 13C-1H HSQC and HMBC are heteronuclear correlation spectroscopy between proton and carbon

COSY determines signals arising from protons that are close to each other in space even if they are not bonded.

同核双原子分子N2，Cl2，H2等无红外活性。