نتایج جستجو برای: diamagnetic

تعداد نتایج: 1806  

Journal: :Physics of Plasmas 2022

A new mechanism for pressure profile relaxations in an edge tokamak plasma is derived from simulations within the two-fluid three-dimensional turbulence code EMEDGE3D. The relaxation due to diamagnetic coupling resistive ballooning/drift wave dynamics: unstable modes experience explosive growth at high gradients after a phase which they are stabilized by leading onset of transport barrier. shea...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2015
jamshid najafpour ali akbar salari forouzan zonouzi mohammad porghamdaryasari

hartree-fock (hf) and density functional theory (dft) methods employed to study the effect of conformational change on the 13c chemical shifts of 6-mono axial and equatorial substituted and 6,7-di axial-axial, equatorial-equatorial and axial-equatorial substitutedderivatives of 5,6,7,8-tetrahydrodibenzo[a,c]cyclo-octene. the geometry of the conformers have been optimized in the gas phase employ...

Journal: :Chemical communications 2010
Guo-Ping Yong Chong-Fu Li Ying-Zhou Li Shi-Wei Luo

A new and stable zwitterionic (neutral) radical and its perchlorate salts exist as diamagnetic pi-dimers in solution, and pi-stacking 1D chains with interesting magnetic and luminescent properties in solid state.

Journal: :Organic & biomolecular chemistry 2005
Tamas Kálai Govindasamy Mugesh Gouriprasanna Roy Helmut Sies Zoltán Berente Kálmán Hideg

Benzo[d]isoselenazol-3-ones N-substituted with sterically hindered diamagnetic and paramagnetic five- or six-membered nitroxides or their precursors, including ring-opened diselenides, exhibit synergism in glutathione peroxidase (GPx) activity.

2005
R. Fitzpatrick F. L. Waelbroeck

A mathematical formalism is developed for calculating the ion polarization term in the Rutherford island width evolution equation in the presence of drift-acoustic waves. The calculation is fully nonlinear, includes both ion and electron diamagnetic effects, as well as ion compressibility, but is performed in slab geometry. Magnetic islands propagating in a certain range of phase velocities are...

Journal: :Journal of the American Chemical Society 2007
Michael John Christophe Schmitz Ah Young Park Nicholas E Dixon Thomas Huber Gottfried Otting

Pseudocontact shifts (PCSs) induced by a site-specifically bound paramagnetic lanthanide ion are shown to provide fast access to sequence-specific resonance assignments of methyl groups in proteins of known three-dimensional structure. Stereospecific assignments of Val and Leu methyls are obtained as well as resonance assignments of all other methyls, including Met epsilonCH3 groups. No prior a...

2016
Amit R. Morarka

The report elaborates experimental observations of magnetically induced convection in a nonconducting diamagnetic fluid. Suspension of Deionized (DI) water and Lycopodium pollen grains was used as the fluid in a test tube. Permanent magnets having field strength of 0.12T each were used to provide the static gradient magnetic field. The convections were visually observed and recorded using trave...

Journal: :Lab on a chip 2015
Majid Hejazian Nam-Trung Nguyen

We report magnetic manipulation of non-magnetic particles suspended in diluted ferrofluid. Diamagnetic particles were introduced into a circular chamber to study the extent of their deflection under the effect of a non-uniform magnetic field of a permanent magnet. Since ferrofluid is a paramagnetic medium, it also experiences a bulk magnetic force that in turn induces a secondary flow opposing ...

2006
Iver Brevik

We study the Casimir pressure for a dielectric-diamagnetic cylinder subject to light velocity conservation and with a dispersion law analogous to Sellmeir’s rule. Similarities to and differences from the spherical case are pointed out.

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