نتایج جستجو برای: 3-dipolar

تعداد نتایج: 1818037  

Dipolar-dephasing method provides some information about the strength of dipolar coupling in solids. Dipolar dephasing technique measures the time for a polarized carbon nucleus to lose its magnetization once the proton locking field is terminated. The dynamics of guest molecules adsorbed within the cavities and channels of nonporouszeolite strongly depend on the structure and chemical composit...

Journal: :Chemical and Pharmaceutical Bulletin 1968

1996
M. HONG K. SCHMIDT-ROHR

A recently introduced DISTINCT technique for the determinator and the B0 field. Comparison of the two equations shows tion of the signs of C–H dipolar couplings is described in detail. that the coupling constant of the averaged dipolar interaction, It is a switching-angle spinning experiment that employs scalar dV d , is the product of the rigid-limit coupling constant dd and couplings to make ...

Journal: :international journal of nano dimension 0
a. r. samadi-maybodi analytical division faculty of chemistry, university of mazandaran, babolsar, iran.

dipolar-dephasing method provides some information about the strength of dipolar coupling in solids. dipolar dephasing technique measures the time for a polarized carbon nucleus to lose its magnetization once the proton locking field is terminated. the dynamics of guest molecules adsorbed within the cavities and channels of nonporouszeolite strongly depend on the structure and chemical composit...

2009
Shai Ronen John Bohn

We study the propagation of sound in a homogeneous dipolar gas at zero temperature, known as zero sound. We find that below a critical dipolar interaction, undamped sound propagation is possible only in a range of solid angles around the direction of polarization of the dipoles. For larger interaction strength, zero sound propagates in all directions, but its nature changes as a function of dir...

2003
Eric Hendrickx Carlo Boutton Koen Clays Andre Persoons

The first hyperpolarizability, /3, of a series of cyclic 6,6'-dinitro-l,l'-binaphthyl-2,2'-ethers has been analyzed with hyper-Rayleigh scattering and electric-field-induced second-harmonic-generation and compared with the absorption data and semi-empirical calculations. The results show the critical dependence of /3 on the conformation of the alkoxy donor and the dihedral angle of the binaphth...

2012
Yi Li Congjun Wu

Recently, cold atomic Fermi gases with the large magnetic dipolar interaction have been laser cooled down to quantum degeneracy. Different from electric-dipoles which are classic vectors, atomic magnetic dipoles are quantum-mechanical matrix operators proportional to the hyperfine-spin of atoms, thus provide rich opportunities to investigate exotic many-body physics. Furthermore, unlike anisotr...

Dipolar-dephasing method provides some information about the strength of dipolar coupling in solids. Dipolar dephasing technique measures the time for a polarized carbon nucleus to lose its magnetization once the proton locking field is terminated. The dynamics of guest molecules adsorbed within the cavities and channels of nonporouszeolite strongly depend on the structure and chemical composit...

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