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油页岩的13C-NMR特征及FLASHCHAIN热解模拟研究
核磁共振 热重红外 油页岩 热解 结构参数 FLASHCHAIN
2014/3/24
采用固体 13C-NMR核磁共振技术表征了甘肃窑街矿区油页岩的碳骨架结构，分析并计算了油母质团簇化学结构参数，包括团簇平均碳原子数、芳碳原子数、脂碳原子数及芳环数。在热重红外分析仪（TG-FTIR）上进行了油页岩的热解实验，得到了热解产物的生成规律。结合样品的团簇化学结构参数，采用基于油页岩结构的FLASHCHAIN模型模拟其热解产物的生成过程；模拟结果与TG-FITR实验数据符合较好，印证了模型...
Optically detected NMR of optically hyperpolarized 31P neutral donors in 28Si
Optically optically 31P neutral donors
2010/10/27
The electron and nuclear spins of the shallow donor 31P are promising qubit candidates invoked in many proposed Si-based quantum computing schemes. We have recently shown that the near-elimination of ...
2D MAXY--JRES NMR Spectroscopy of CHnCHm (CAnCXm) Groups: Product Operator Theory and Simulation
NMR MAXY-JRES product operator formalism multi-spin systems
2010/4/9
There exist a variety of multi-pulse NMR experiments for spectral editing of complex molecules in solution. Maximum quantum correlation NMR spectroscopy (MAXY NMR) is one of the techniques for disting...
Polarization enhancement nurtured during attached nucleus testing (PENDANT) NMR spectroscopy gives signals of quaternary carbon atoms in addition to signals indicative of CH, CH2 and CH3 groups. In th...
A Product Operator Formalism of 3D J-Resolved NMR Spectroscopy for ISnKm(I = 1/2, S = 1/2, K = 1/2) Spin System
Product operator 3D J-Resolved NMR spectroscopy
2010/4/15
Product operator formalism is widely used for analytical description of multiple-pulse NMR experiments for weakly coupled spin systems. 3D J-resolved NMR spectroscopy is widely used in order to resolv...