Residual chemical shift anisotropy (RCSA) is the difference between the chemical shift anisotropy (CSA) of aligned and non-aligned molecules. It is normally...
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chemical shift is the resonant frequency of an atomic nucleus relative to a standard in a magnetic field. Often the position and number of chemical shifts...
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called dipolar coupling), the chemical shift anisotropy, or the electric quadrupole interaction. The resulting so-called residual anisotropic magnetic interactions...
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Nuclear magnetic resonance spectroscopy (redirect from NMR shift)
solutions, etc., it is in particular the dipolar coupling and chemical shift anisotropy that become dominant to the behaviour of the nuclear spin systems...
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Corporation for Science Advancement, American organization Residual chemical shift anisotropy Robotics Certification Standards Alliance, company Royal College...
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Three main interactions responsible in solid state NMR (dipolar, chemical shift anisotropy, quadrupolar) often lead to very broad and featureless NMR lines...
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reactor Residual chemical shift anisotropy Residual entropy Residual flux density Residual gas analyzer Residual property (physics) Residual strength...
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work was done to include the use other NMR observables such as chemical shift anisotropy, J-coupling and the quadrupolar interaction. These anisotropic...
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Bernheim, R.A. (1970). "Anisotropies and Absolute Signs of the Indirect Spin–Spin Coupling Constants in 13CH3F". Journal of Chemical Physics. 52 (10): 4942...
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Nuclear magnetic resonance (section Chemical shielding)
tumbling" averages out the chemical shift anisotropy (CSA). In this case, the "average" chemical shift (ACS) or isotropic chemical shift is often simply referred...
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background radiation by the Planck spacecraft, the Wilkinson Microwave Anisotropy Probe and other space probes. Measurements of the cosmic background radiation...
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has extended his work into the application of residual dipolar couplings, residual chemical shift anisotropy and DFT calculations to demonstrate that, in...
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relaxation by mutual cancellation of dipole-dipole coupling and chemical shift anisotropy indicates an avenue to NMR structures of very large biological...
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size (the size on the sky) of the anisotropies. In early 2003, the first results of the Wilkinson Microwave Anisotropy Probe were released, yielding what...
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Biology of depression (redirect from Chemical imbalance)
performed on studies assessing white matter integrity using fractional anisotropy (FA). Reduced FA has been reported in the corpus callosum (CC) in both...
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Dynamic nuclear polarization (category Chemical physics)
accomplished through random orientation of paramagnetic species with g-anisotropy. Since the "frequency" distance between the two electrons should be equal...
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experimental structure, most notably the resolution, the anisotropy or incompleteness of the data, and the residual or R-factor that measures overall model-to-data...
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Dunkley, J.; Bennett, C. L.; et al. (2011). "Seven-Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Cosmological Interpretation". The Astrophysical...
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history. Biogeochemical processes act to both create and destroy order (anisotropy) within soils. These alterations lead to the development of layers, termed...
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helium, and lithium), and the spatial texture of minute irregularities (anisotropies) in the CMB radiation. Cosmic inflation also addresses the "horizon problem"...
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of iron- and cobalt-rich precipitates in a rich-NiAl matrix. Alnico's anisotropy is oriented along the desired magnetic axis by applying an external magnetic...
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enables diffusion to be measured in multiple directions, and the fractional anisotropy in each direction to be calculated for each voxel. This enables researchers...
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that impacted Webb development were Spitzer and the Wilkinson Microwave Anisotropy Probe (WMAP). Spitzer showed the importance of mid-infrared, which is...
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Zero-point energy (section Lamb shift)
S2CID 32996610. Carroll, S. M.; Field, G. B. (1997). "Is There Evidence for Cosmic Anisotropy in the Polarization of Distant Radio Sources?" (PDF). Physical Review...
209 KB (26,941 words) - 14:00, 28 October 2024
a high degree of anisotropy and chemical functionality. 2D nanomaterials are highly diverse in terms of their mechanical, chemical, and optical properties...
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main magnet, which polarizes the sample, the shim coils for correcting shifts in the homogeneity of the main magnetic field, the gradient system which...
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tetramethylammonium hydroxide) and an organic additive to increase etching anisotropy (traditionally isopropyl alcohol, but now proprietary additives are used)...
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= μ × B. A torque is thus a measure of the sample's magnetic or shape anisotropy. In some cases the sample's magnetization can be extracted from the measured...
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