PFG NMR技术在固体核磁共振中具有独特的应用优势。传统的固体NMR技术通常难以对固体样品中不同位置处的核自旋进行分辨,因而难以获取关于固体微观结构的详细信息。而PFG NMR技术则能够通过引入脉冲磁场梯度,实现对固体样品中不同位置处的核自旋进行定位和分辨,从而为研究固体样品的微观结构提供了新的思路和手段。在固体NMR...
脉冲梯度场核磁共振(PFG-NMR)方法是通过核自旋的自扩散行为来测定整个分子的自扩散系数,因此PFG-NMR方法不受所 … www.polymer.cn|基于 1 个网页 3. 脉冲梯度场核磁共振技术 利用脉冲梯度场核磁共振技术(PFG-NMR)研究蔗糖对面团自旋-自旋弛豫特性的影响。分子的自旋-自旋弛豫特性与分子的流动 … ...
pulsed field gradient nuclear magnetic resonance (PFG NMRmulticomponent self-diffusionUsing alternately 1H and 19F NMR, the pulsed field gradient (PFG) method of NMR spectroscopy is applied to study the self-diffusion of water and perfluorobenzene in active carbons of varying pore sizes. The ...
PFGNMR测量自扩散系数的应用,自扩散系数,氮氧化物的扩散系数,水的扩散系数,扩散系数与温度的关系,扩散系数的物理意义,气体的扩散系数,铜的热扩散系数,空气的扩散系数,水的热扩散系数 文档格式: .pdf 文档大小: 2.21M 文档页数: 43页 顶/踩数: 0/0 ...
PC9水在碳纳米管内快速自扩散的PFGNMR研究刘鑫,韩秀文,潘秀莲,包信和‘(中国科学院大连化学物理研究所,催化国家重点实验室,大连[16023)331碳纳米管是一种准一维的纳米孑L道,由于其具有非常高的长径比,以及特殊的原予级光滑和化学惰性的石墨化孔壁,使得碳纳米管成为扩散研究及相关应用的优异材料1。大量的分子动力学...
NMR diffusometry and cryoporometry,PFG NMR diffusometry 大意是核磁共振技术测扩散 PFG是梯度
This chapter provides an overview of the hardware required in order to conduct PFG NMR applications. Sections include a discussion on permanent magnets and their construction, magnetic field gradients, gradient amplifiers, RF amplifiers, probes and pre-amplifiers and NMR control systems including ...
PFG-NMRself-diffusionSi/Al ratiozeoliteThe understanding of major zeolite applications is partially based on diffusion of molecules inside or outside microporous networks. However, it is still a challenge to measure such phenomena. The diffusion ordered nuclear magnetic resonance spectroscopy (DOSY) ...
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PFGJ PFGM PFGNMR PFGR PFGRC PFGS PFGSE PFGSTE PFGSV PFGW PFH PFH-3 PFHA PFHB PFHB1 PFHB1B PFHBI PFHBII PFHC PFHCB ▼Complete English Grammar Rules is now available in paperback and eBook formats. Make it yours today! Advertisement. Bad banner? Please let us know Remove AdsFace...