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...
W. Heink, J. Karger, G. Seiffert, G. Fleischer, and J. Rauchfuss, Pfg Nmr Self- Diffusion Measurements with Large Field Gradients, J. Magn. Reson. Series A. 114 (1995) 101-104.Heink, W., J. Karger, G. Seiffert, G. Fleischer, and J. Rauchfuß, “PFG NMR Self-Diffusion ...
PFGNMR Dictionary, Encyclopedia and Thesaurus - The Free Dictionary13,867,064,144visits served TheFreeDictionary Google ? Keyboard Word / Article Starts with Ends with Text EnglishEspañolDeutschFrançaisItalianoالعربية中文简体PolskiPortuguêsNederlandsNorskΕλληνικήРусс...
PFGNMR测量自扩散系数的应用,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,PFGNMR测量自扩散系数的应用相关精品文档 更多 点源激发表面热波耦合红外成像的壁体材料热扩散率及局部...
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 ...
近日,剑桥大学的Clare P. Grey教授(通讯作者)等人首次采用原位脉冲梯度场核磁共振技术(PFG-NMR)直接评价离子在电极孔内的扩散过程。该成果发表在Nature Energy,题为 “Direct observation of ion dynamics in supercapacitor electrodes using in situ diffusion NMR spectroscopy”。研究发现纳米孔结构的约束使离子自扩散...
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 … ...
PFG: Pulsed Field Gradient - 脉冲场梯度 RDC: Residual Dipolar Coupling - 残余偶极耦合 RF: Radio Frequency - 无线电频率 WALTZ: Wideband Alternating-phase Low-power Technique for Zero residual splitting - 广带交替相低功率技术用于零残留分裂 02 NMR实验缩略词 ADEQUATE: Adequate sensitivity ...
Diffusivity at the molecular level: PFG㎞MR was applied to assess the effective diffusivity of typical probe molecules (benzene, toluene, neopentane, dodecene) in ZSMzeolites, including industrial ones. The influence of different aspects, such as: Si/Al ratio, crystal size, synthesis procedure ...
MQS:Multi Quantum Spectroscopy多量子谱 NMR:Nuclear Magnetic Resonance核磁共振 NOE:Nuclear Overhauser Effect核Overhauser效应(NOE) NOESY:Nuclear Overhauser Effect Spectroscopy二维NOE谱 NQR:Nuclear Quadrupole Resonance核四极共振 PFG:Pulsed Gradient Field脉冲梯度场 ...