正 动态核磁共振(dynamic nuclear magnetic resonance,DNMR)是研究分子运动现象,获得活化参数的有力工具.有关酰胺类化合物的内旋转势垒已有多人 .
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核磁共振在结构分析中的强大功能是众所周知的，在动态研究方面也具有强大的生命力。
It is well-known that NMR plays a very important role in structural analysis and dynamic investigation of molecules.
目的评价动态增强核磁共振在乳腺癌病人术前评估中所起的作用。
Objective To evaluate the function of dynamic contrast-enhanced magnetic resonance imaging in preoperative evaluation of patients with breast cancer.
本工作用动态力学、介电松弛和固态核磁共振等方法研究了1，2-聚丁二烯的多重转变和松弛。
The investigation on the multiple transitions and relaxations of 1,2-polybutadiene was carried out by dynamic mechanical, dielectric relaxation, and solid state NMR methods.
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