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 of 2D—NMR techniques in determining the structures of some diterpenoid alkaloids are reviewed.
采用高分辨质谱和二维核磁共振谱等光谱技术，确定了该化合物的化学结构。
Through high-resolution mass spectrometry and two-dimensional NMR spectroscopy, the invention determines the chemical structure of the compound.
利用二维核磁共振技术对一类新的含羟基中环二胺及其衍生物在水溶液中的构型和构象进行了较为详尽的研究。
NMR techniques were used to investigate the stereo configuration and conformation of the hydroxyl mesocyclic diamines and their derivatives in aqueous solution.
二维核磁共振测井通过多种探测深度测量对比，得到了泥浆侵入剖面流体变化信息，提供更准确的储层流体性质信息。
The fluid changing data of mud invasion profile are obtained by contrast of 2d NMR measurements data at different depths, and this provides more accurate reservoir fluid property information.
利用红外吸收光谱及核磁共振波谱仪的一维和二维技术对一种未知聚合物试样进行鉴定。
An unknown polymer was determined by one-dimension and two-dimension technologies of infrared absorption spectroscopy and nuclear magnetic resonance.
染料分子的化学结构通过1H核磁共振谱，二维1 H - 1h相关谱以及质谱分析得以确定。
The chemical structure of dye molecule was confirmed by 1h nuclear magnetic resonance spectroscopy, 1h-1h COSY and mass spectrometry.
目的探讨二维时间飞逝效应核磁共振血管成像(2dTOFMRA)对闭合性椎动脉损伤的诊断价值。
Objective TO evaluate the value of 2-dimensional time-of-flight MR angiography (2d TOF MRA) diagnosis of closed vertebral artery injury.
采取了二维有限元法模拟核磁共振成像（MRI）装置的主磁场。
The main magnetic field of Magnetic Resonace Imaging( MRI)device is simulated by using the finite element method.
综述了近年来核磁共振波谱技术在高分子材料方面的应用，主要从液体核磁共振—固体核磁共振—核磁共振二维谱等技术方面进行了论述。
In this paper, we summarize the application of NMR at high molecular materials in recent years, from liquid NMR-solid NMR two dimension NMR correlation spectrum.
综述了近年来核磁共振波谱技术在高分子材料方面的应用，主要从液体核磁共振—固体核磁共振—核磁共振二维谱等技术方面进行了论述。
In this paper, we summarize the application of NMR at high molecular materials in recent years, from liquid NMR-solid NMR two dimension NMR correlation spectrum.
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