nuclear magnetic resonance spectroscopy
常见例句
- The structure was determined by infrared spectroscopy(FT-IR), nuclear magnetic resonance spectroscopy(1H-NMR) and element analysis(EA).
采用红外光谱(FT-IR)、核磁共振波谱(1H-NMR)、元素分析(EA)确定了物质的结构。 - RESULTS A compound was isolated and its structure was identified by nuclear magnetic resonance spectroscopy and mass spectrometry as 4-hydroxy-3-methoxy benzaldehyde.
根中分离得到一个化合物,经核磁、质谱、紫外和红外光谱法鉴定为4-羟基-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.
采用了萃取称重法、萃取折射率法、快速法、核磁共振法测定了对涤纶短纤维的含油率进行了比较。 返回 nuclear magnetic resonance spectroscopy