D NMR 二维核磁共振
d nmr spectrum 核磁共振谱
d-nmr techniques 二维核磁共振技术
2 d-nmr spectra 二维核磁共振波谱
2-d nmr spectra 二维核磁共振谱
d-nmr spectroscopy 二维核磁共振谱
2 d-nmr techniques 二维核磁共振技术
2 d nmr techniques 二维核磁共振技术
2 d nmr spectroscopy 二维nmr技术
d nmr spectroscopy of solids 固体二维核磁共振
The resulted D, L-lactide and glycolide were found to have ring structure by fourier transform infrared spectrometry and proton nuclear magnetic resonance(1H NMR) spectrometry.
通过傅立叶红外光谱和氢核磁谱（1H NMR）测试表明所合成的丙交酯和乙交酯具有环状结构。
METHODS Recording the 1D and 2D NMR spectra of lomerizine dihydrochloride while changing the experimental temperature and adding D 2O into the solution.
方法测定其在改变温度和加入重水条件下的各种1D和2 D核磁共振谱。
Nonnatural amino acid 3 (4 thiazolyl) D, L alanine hydrochloride and its four intermediates were synthesized, their structures were detenmined by IR, NMR, elementary analysis and melting point.
合成了非天然氨基酸3- （ 4 -噻唑基） - D，L -丙氨酸盐酸盐以及三个中间体，其结构分别通过红外光谱、核磁共振、元素分析、熔点等测试手段得到确证。
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