The structures of the above compounds were assigned by nuclearmagneticresonance, mass spectrometry, and infrared spectroscopy etc.
以上所有化合物的结构通过核磁共振、质谱、红外光谱等确证。
2
In the first study, the authors measured fasting lipid levels and examined the number and size of cholesterol particles using nuclearmagneticresonance (NMR) spectroscopy.
在第一项研究中，作者测量了空腹血脂和用核磁共振(nmr)谱测量了胆固醇的数量和颗粒大小。
3
An unknown polymer was determined by one-dimension and two-dimension technologies of infrared absorption spectroscopy and nuclearmagneticresonance.