T2

(redirected from spin-spin)
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T2

A 6.312 Mbps point-to-point, digital dedicated line provided by the telephone companies. A T2 line provides 96 64-Kbps voice or data channels. See T-carrier and DS.
References in periodicals archive ?
This instrument enables classroom demonstrations of simple topics, such as free radicals in everyday life, to far less intuitive subjects like electron density, spin-orbit coupling, spin-spin exchange and forbidden transitions.
He covers the role of singular solutions of quantal equations in atomic physics, the classical description of crossings of energy terms and of charge exchange, classical stationary states, understanding the role of the singular spin-spin interaction in the binding energy of two-electron atoms/ions, the last observed line in the spectral series of hydrogen lines in magnetized plasma: s revision of the Inglis-Tellor concept, and extrema in transition energies resulting not in satellites but in dips within spectral lines.
Among the topics are the physical basis of the NMR experiment, proton chemical shifts and spin-spin coupling constants as functions of structure, the influence of molecular symmetry and chirality on proton magnetic resonance spectra, carbon-13 NMR spectroscopy, selected heteronuclei, and NMR of partially oriented molecules and solid-state NMR.
Making a breakthrough in the field of particle physics, they have established new limits on what scientists call "long-range spin-spin interactions" between atomic particles.
Friebolin tracks the trends and makes sure students learn the basics as well in his chapters on the physical basis of NMR spectroscopy, the chemical shift, indirect spin-spin coupling, spectrum analysis and calculations, double resonance experiments, assignment of signals, relaxation, one- dimensional NMR experiments using complex pulse sequences, 2D NMR spectroscopy, the nuclear Overhauser effect, Dynamic NMR spectroscopy, shift reagents, macromolecules, and NMR spectroscopy in biology and medicine.
2], the radial kinetic energy operator, the spin-spin dipole interaction, and the atomic hyperfine Hamiltonians.
Warren and Jeener's descriptions of the intermolecular spin-spin effect--in the twin languages of quantum mechanics and classical physics--eventually removed the long-standing doubt that these interactions show up in magnetic resonance data.
In this article, the physical properties of compounds using WMB are compared with dry-mixing compounds, and the characteristics of WMB are investigated by means of the spin-spin relaxation time, the fracture surface energy and the dynamic creep.
The coverage of nuclear magnetic resonance spectroscopy includes basic concepts; carbon-13 spectra including heteronuclear coupling with other nuclei; spin-spin coupling; other topics in one dimension; and advanced techniques.
The topics include statistical mechanics, the specific heat of Osnager's lattice in the absence of a magnetic field, boundary spin-spin correlation functions, spontaneous magnetization, and boundary hysteresis and spin probability functions.