The fundamental principle of MRI is introduced briefly, and Compared with the traditional NMRspectroscopy.
简短地介绍了核磁共振成象的基本原理,并与传统的核磁共振波谱学进行了比较。
2
The compositions of grease were eluted with petroleum ether, benzene, chloroform, ethyl acetate, acetone, ethanol and characterized by means of IR and NMRspectroscopy.