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magic angle造句

"magic angle"是什么意思   

例句與造句

  1. These polarization artifacts can be combated by placing an emission polarizer at the magic angle of 54.7?
  2. Triple resonance experiments can also be used in sequence-specific backbone resonance assignment of magic angle spinning NMR spectra in solid-state NMR.
  3. Of the latter approach, fast spinning around the magic angle is a very prominent method, when the system comprises spin 1 / 2 nuclei.
  4. As sensitivity has improved with the evolution of higher magnetic field strengths and magic angle spinning, NMR continues to be a leading analytical tool to investigate metabolism.
  5. In solid-state NMR spectroscopy, magic angle spinning is required to average out this orientation dependence in order to obtain values close to the average chemical shifts.
  6. It's difficult to find magic angle in a sentence. 用magic angle造句挺難的
  7. Under sufficiently fast magic angle spinning, or in solution-state NMR, the directionally dependent character of the chemical shielding is removed, leaving the isotropic chemical shift.
  8. Magic angle spinning is a technique in solid-state NMR spectroscopy which employs this principle to remove or reduce the influence of anisotropic interactions, thereby increasing spectral resolution.
  9. If the sample is excited with a pulsed vertically orientated excitation source then a single decay time \ tau should be measured when the emission polarizer is at the magic angle.
  10. A technique that can substantially reduce or remove the chemical shift anisotropy, the dipolar coupling is " sample rotation " ( most commonly magic angle spinning, but also off-magic angle spinning ).
  11. A technique that can substantially reduce or remove the chemical shift anisotropy, the dipolar coupling is " sample rotation " ( most commonly magic angle spinning, but also off-magic angle spinning ).
  12. However, these three interactions in solids are orientation-dependent and can be averaged by MAS . The nuclear dipole-dipole interaction, between magnetic moments of nuclei averages to zero only at the magic angle, ? m.
  13. Next, the cube is rotated ?5?about the vertical axis, followed by a rotation of approximately ?5.264?( precisely arcsin } } or arctan } }, which is related to the Magic angle ) about the horizontal axis.
  14. Magic angle " ? " is also half of the opening angle formed when a cube is rotated from its space diagonal axis, which may be represented as arccos  " or 2 arctan radians H " 109.4712?
  15. This double magic angle is directly related to Tetrahedral molecular geometry and is the angle from one vertex to the exact center of the tetrahedron ( " i . e . ", the edge central angle also known as the tetrahedral angle ).
  16. Time-dependent interactions, such as homonuclear dipolar couplings, are more difficult to average to their isotropic values by magic angle spinning; a network of strongly coupled spins will produce a mixing of spin states during the course of the sample rotation, interfering with the averaging process.
  17. 更多例句:  下一頁

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