二维核磁共振谱

中国人参的核磁共振研究Ⅰ.人参皂甙Re的二维核磁共振谱研究

NMR STUDIES OF CHINESE GINSENOSIDE-Re ⅰ . 2D NMR Study of Ginsenoside-Re

用元素分析、红外光谱1、HNMR1、3cNMR及多种二维核磁共振谱确定了目标化合物的结构。

The structures of these compounds have been determined by elemental analysis , IR spectra , 1H NMR , 13C NMR and two-dimensional NMR spectroscopy .

二维核磁共振谱（2DNMR）是获取多糖结构信息，尤其是在多糖序列分析方面的有力工具。

Two dimension nuclear magnetic resonance ( 2D NMR ) is a powerful tool acquiring structural information of polysaccharide , especially in the sequence analysis of polysaccharide .

化合物D-2由于纯度不够，主要成分的质谱、一维、二维核磁共振谱给出有用信息较少，最终未能鉴定其结构。

D-2 was not ultimately identified because of its worse purity and less useful information provided by MS , one-dimensional , two-dimensional NMR of the main component .

二锌胰岛素质子二维核磁共振谱的研究&甲基，亚甲基共振峰的确定

Proton NMR studies of 2-Zn insulin assignment of methyl and methylene group resonances from two-dimensional spectra

本主综述了二维核磁共振谱在测定二萜类生物碱结构中的最近进展。

The up-dated applications of2D & NMR techniques in determining the structures of some diterpenoid alkaloids are reviewed .

用二维核磁共振氢谱分析吡唑酮二当量品红成色剂的结构

The Elucidation of Structure for Two - equivalent Pyrazolone Magenta Coupler by 2 D - N - NMR Spectroscopy

混合物溶液结构的二维扩散排序核磁共振谱

2D Diffusion ordered Nuclear Magnetic Resonance Spectroscopy for Structure Analysis of Mixtures

二维碳&13核磁共振谱的实验方法及应用

The Experimental Methods and Applications of Two-dimensional Carbon-13 NMR Spectrum