In the solid the molecule is frozen in the conformation shown, and three ring carbon lines are seen. In general MAS NMR on a solid will produce a line from each atom in the crystallographic asymmetric ...

图3：在不同操作温度下，使用CeHP粉末和MEAs从SAN-CeHP-PBI、CeHP-PBI和p-PBI获得的31P VT MAS NMR谱图，以及通过平面质子导电性结果和质子导电性的温度依赖性。 图4：SAN-CeHP-PBI、CeHP-PBI和p-PBI在80、150、200和250 °C操作温度下的电流密度-电压（J-V）和电流密度-功率密度（J ...

该方法可使得有机合成化学工作者在进行核磁共振实 近期，我们的综述论文“Ultrafast Magic Angle Spinning Solid-State NMR Spectroscopy: Advances in Methodology and Applications”发表在Chemical Reviews期刊上。 根据扫描电镜激发样品的物理信号（二次电子、背散射电子、特征 X 射线等 ...

MAS probes capable of spinning speeds up to 35kHz 3 sample sizes triple resonance experiments wideline probes for the characterization of broad powder patterns variable temperature experiments ...

Solid-state NMR probes are specifically designed for the analysis of solid samples. They utilize stronger RF pulses and are often equipped with mechanisms for spinning the sample at high speeds, a ...

This facility is a shared resource serving the University of Wyoming community and beyond. It currently houses six NMR spectrometers that are used for a multitude of research in science, engineering, ...

one or more spectra comparing MAS rotation speeds per sample. Samples will be held for at least a week in case additional NMR experiments are required. After that, samples will be disposed of unless ...

The University of Sheffield's Biomolecular Nuclear Magnetic Resonance (NMR) facility contains three instruments that enable researchers to carry out NMR spectroscopy to uncover important physical, ...

Nuclear Magnetic Resonance (NMR) was first experimentally observed in late 1945, nearly simultaneously by the research groups of Felix Bloch, at Stanford University and Edward Purcell at Harvard ...

智东西8月30日消息，据TechCrunch报道，美国旧金山AI编程初创公司Magic昨日在一篇博客文章中透露，其完成了一轮3.2亿美元的融资。投资者阵容强大 ...