The signal intensity in MRI stems mainly from the relaxation rate of in vivo water protons and is enhanced by the administration of a contrast agent prior to the scan. Such agents include a paramagnetic metal ion that decreases the relaxation times of nearby water protons. Diff...
The magnetic induction (B) is related to the field intensity (H) as (4.13)B=μH where μ is characteristic of a medium and is known as magnetic permeability. The relative permeability is defined by the ratio of magnetic permeability to that of free space (Dekker, 1959). (4.14)μr=μ/...
4b: detected features and the intensity of the dichroic signal are in line with the expected ones27,28 for a saturated Tb3 þ system characterized by total angular momentum J ¼ L þ S ¼ 6. Figure 5a reports the variation of the XMCD contribution at the M5 edge, normalized to ...
coefficients, which enter in the expression for the magnetic field intensity and correlation length in the case of interest of an expanding universe. however, the power-law behavior and logarithmic corrections in the helical case do not depend on the form of the cutoff. finally, we note that ...
Gary, H. Wang, Hard X-ray intensity distribution along H\(\alpha\) ribbons. ApJ 664, L127 (2007) ADS Google Scholar J. Jing, Y. Xu, W. Cao et al., Unprecedented fine structure of a solar flare revealed by the 1.6 m new solar telescope. NatSR 6, 24319 (2016) ADS Google ...
Similarly to the magnetic crystals, bosonization reveals the existence of requirements on the range and intensity of the atom–atom repulsion. Numerically we cannot fully access the helical nature of the first excitations; we rather diagnose the existence of a helical ground state through two ...
Linear and non-linear light scattering in static magnetic fields by molecules with orbitally degenerate ground states is investigated. The temperature dependent circular intensity difference (CID) spectrum induced by the orientational mechanism is calculated by taking into account the rotational diffusion.DOI...
It was a simple ASCII text file with numbers separated by spaces, where the first point corresponds to the spectral intensity at 7.1 ppm [10, 11]. The problem was that this format has no accompanying information and the auto- mated software that generated it could only deal with SV spectra...
A Magnetic Resonance Imaging (MRI) contrast agent is a substance used to enhance the visibility of specific tissues or structures in MRI scans by altering the signal intensity of water molecules. These agents are designed to improve the sensitivity of MRI at the molecular level by responding to ...
The cobalt concentration is extremely low and even if it is present there, it may have got hidden under the envelope of iron oxide signal, as its intensity will be low. Similarly under the exposure of air, if there valence ims aannygaMnens(eIIs)hionutlhdeshfoorwmaobfrMoandOE,PitRwbiull...