nuclear magnetic resonance spectroscopy

基本解釋

The structure was determined by infrared spectroscopy(FT-IR), nuclear magnetic resonance spectroscopy(1H-NMR) and element analysis(EA).
采用紅外光譜（FT-IR）、核磁共振波譜（1H-NMR）、元素分析（EA）確定了物質的結構。
RESULTS A compound was isolated and its structure was identified by nuclear magnetic resonance spectroscopy and mass spectrometry as 4-hydroxy-3-methoxy benzaldehyde.
根中分離得到一個化合物，經核磁、質譜、紫外和紅外光譜法鑒定為4-羥基-3-甲氧基苯甲醛。
The finish oil content of PET staple fiber was determined by extraction weight method, extraction light refraction method, instant test method and nuclear magnetic resonance spectroscopy.
采用了萃取稱重法、萃取折射率法、快速法、核磁共振法測定了對滌綸短纖維的含油率進行了比較。