• Residual chemical shift anisotropy (RCSA) is the difference between the chemical shift anisotropy (CSA) of aligned and non-aligned molecules. It is normally...
    2 KB (229 words) - 22:26, 4 September 2023
  • 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...
    24 KB (2,808 words) - 16:27, 11 October 2024
  • Thumbnail for Residual dipolar coupling
    called dipolar coupling), the chemical shift anisotropy, or the electric quadrupole interaction. The resulting so-called residual anisotropic magnetic interactions...
    30 KB (3,623 words) - 02:35, 27 October 2024
  • Thumbnail for Nuclear magnetic resonance spectroscopy
    solutions, etc., it is in particular the dipolar coupling and chemical shift anisotropy that become dominant to the behaviour of the nuclear spin systems...
    53 KB (6,014 words) - 20:12, 7 October 2024
  • Corporation for Science Advancement, American organization Residual chemical shift anisotropy Robotics Certification Standards Alliance, company Royal College...
    504 bytes (85 words) - 05:04, 18 December 2020
  • Thumbnail for Magic angle spinning
    Three main interactions responsible in solid state NMR (dipolar, chemical shift anisotropy, quadrupolar) often lead to very broad and featureless NMR lines...
    9 KB (1,114 words) - 08:42, 1 May 2024
  • reactor Residual chemical shift anisotropy Residual entropy Residual flux density Residual gas analyzer Residual property (physics) Residual strength...
    19 KB (1,989 words) - 09:07, 19 October 2024
  • work was done to include the use other NMR observables such as chemical shift anisotropy, J-coupling and the quadrupolar interaction. These anisotropic...
    13 KB (1,471 words) - 16:16, 17 May 2024
  • Bernheim, R.A. (1970). "Anisotropies and Absolute Signs of the Indirect Spin–Spin Coupling Constants in 13CH3F". Journal of Chemical Physics. 52 (10): 4942...
    20 KB (2,408 words) - 13:22, 7 May 2024
  • Thumbnail for Nuclear magnetic resonance
    tumbling" averages out the chemical shift anisotropy (CSA). In this case, the "average" chemical shift (ACS) or isotropic chemical shift is often simply referred...
    80 KB (10,167 words) - 01:43, 5 October 2024
  • Thumbnail for Age of the universe
    background radiation by the Planck spacecraft, the Wilkinson Microwave Anisotropy Probe and other space probes. Measurements of the cosmic background radiation...
    34 KB (3,946 words) - 06:03, 8 October 2024
  • has extended his work into the application of residual dipolar couplings, residual chemical shift anisotropy and DFT calculations to demonstrate that, in...
    16 KB (1,767 words) - 04:17, 12 May 2024
  • relaxation by mutual cancellation of dipole-dipole coupling and chemical shift anisotropy indicates an avenue to NMR structures of very large biological...
    43 KB (5,337 words) - 03:39, 27 October 2024
  • Thumbnail for Big Bang
    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...
    150 KB (16,101 words) - 05:11, 19 September 2024
  • performed on studies assessing white matter integrity using fractional anisotropy (FA). Reduced FA has been reported in the corpus callosum (CC) in both...
    124 KB (14,599 words) - 01:00, 20 October 2024
  • 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...
    27 KB (3,433 words) - 06:56, 13 September 2024
  • Thumbnail for Structure validation
    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...
    44 KB (4,702 words) - 01:52, 14 August 2024
  • Thumbnail for Timeline of the far future
    Dunkley, J.; Bennett, C. L.; et al. (2011). "Seven-Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Cosmological Interpretation". The Astrophysical...
    168 KB (7,432 words) - 16:54, 26 October 2024
  • history. Biogeochemical processes act to both create and destroy order (anisotropy) within soils. These alterations lead to the development of layers, termed...
    90 KB (9,558 words) - 19:35, 8 July 2024
  • Thumbnail for Lambda-CDM model
    helium, and lithium), and the spatial texture of minute irregularities (anisotropies) in the CMB radiation. Cosmic inflation also addresses the "horizon problem"...
    95 KB (11,049 words) - 16:47, 19 October 2024
  • Thumbnail for Alnico
    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...
    16 KB (1,281 words) - 16:44, 24 October 2024
  • Thumbnail for MRI pulse sequence
    enables diffusion to be measured in multiple directions, and the fractional anisotropy in each direction to be calculated for each voxel. This enables researchers...
    30 KB (3,949 words) - 18:57, 18 July 2024
  • Thumbnail for James Webb Space Telescope
    that impacted Webb development were Spitzer and the Wilkinson Microwave Anisotropy Probe (WMAP). Spitzer showed the importance of mid-infrared, which is...
    213 KB (19,829 words) - 04:01, 24 October 2024
  • Thumbnail for Zero-point energy
    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...
    80 KB (8,675 words) - 19:10, 25 October 2024
  • main magnet, which polarizes the sample, the shim coils for correcting shifts in the homogeneity of the main magnetic field, the gradient system which...
    92 KB (10,708 words) - 09:03, 25 September 2024
  • Thumbnail for Heterojunction solar cell
    tetramethylammonium hydroxide) and an organic additive to increase etching anisotropy (traditionally isopropyl alcohol, but now proprietary additives are used)...
    131 KB (13,981 words) - 19:42, 19 September 2024
  • Thumbnail for Magnetometer
    = 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...
    74 KB (9,395 words) - 11:00, 1 October 2024