核磁经典教程 Understanding NMR Spectroscopy Keeler_ch9.pdf,9 Coherence Selection: Phase Cycling and Gradient Pulses† 9.1 Introduction The pulse sequence used in an NMR experiment is carefully designed to produce a particular outcome. For example, we
核磁经典教程 Understanding NMR Spectroscopy Keeler_ch2.pdf,2 NMR and energy levels The picture that we use to understand most kinds of spectroscopy is that molecules have a set of energy levels and that the lines we see in spectra are due to transitions
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UnderstandingNMRSpectroscopy,SecondEdition Category:Analytic Publisher:Wiley;2edition(May24, 2010) Language:English Pages:526 ISBN:978-0470746080 Size:27.64MB Format:PDF/ePub/Kindle Thistextisaimedatpeoplewhohave somefamiliaritywithhigh-resolution NMRandwhowishtodeepentheir understandingofhowNMR experimentsactua...
Understanding NMR Spectroscopy 2025 pdf epub mobi 电子书 图书描述 This text discusses the high-resolution NMR of liquid samples and concentrates exclusively on spin-half nuclei (mainly 1H and 13C). It is aimed at people who are familiar with the use of routine NMR for structure determination an...
理解核磁共振Understanding NMR Spectroscopy-lecture10 下载积分: 900 内容提示: Connections through space• So far we have analyzed experiments that work because thesystem has scalar couplings. COSY, HETCOR, HOMO- andHETERO-2DJ, tell us about the chemical structure of thesystem, but not about the...
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核磁经典教程 Understanding NMR Spectroscopy Keeler_ch4 4Fourier transformation and data processing In the previous chapter we have seen how the precessing magnetization can be detected to give a signal which oscillates at the Larmor frequency –the free induction signal.We also commented that this ...
J. Ligand symmetry-equivalence on thiolate protected gold nanoclusters determined by NMR spectroscopy. Nanoscale 4, 4099–4102 (2012). Article CAS Google Scholar Berman, H. M. & Gierasch, L. M. How the protein data bank changed biology: an introduction to the JBC reviews thematic series, ...
核磁经典教程 Understanding NMR Spectroscopy Keeler_ch7.pdf,7 Two-dimensional NMR† 7.1 Introduction The basic ideas of two-dimensional NMR will be introduced by reference to the appearance of a COSY spectrum; later in this chapter the product operator