Results 171 to 180 of about 9,838 (217)

On relaxation times

Physics-Uspekhi, 1999
The physical background of the relation T2 = 2T1 between the transverse and longitudinal relaxation times in atomic and molecular spectroscopy is discussed.
V.L. Vaks, V.V. Mityugov
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The quagmire of relaxation times

Medical Hypotheses, 1988
NMR researchers continue to be puzzled by the quagmire of relaxation times of normal and malignant cells. Here a simple theory points out that the dissimilarities of relaxation behavior are not due to macromolecule alterations or phase transition in the water but to the consumption of dissolved oxygen in the cell associated water.
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Time to relax

Nursery World, 2015
Working in the baby room can be rewarding, but it can also prove stressful and emotionally challenging.
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Electron-Ion Relaxation Times

The Physics of Fluids, 1964
The approach to equilibrium of the electron and ion components of a plasma has been studied. The interactions between particle pairs are determined in a polarizable plasma, so that collective effects are included at the outset. The pairwise interactions are treated quantum mechanically, in the Born approximation, whereas the collective effects are, in ...
Rand, S., Albini, F. A.
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The zener relaxation as a distribution of relaxation times

Acta Metallurgica, 1962
Abstract Most relaxation processes are not describable in terms of a single relaxation time, but require the introduction of a distribution of relaxation times. To obtain complete information about a relaxation process, it is important to know something about the functional form of the distribution and its width (the “distribution parameter”). In the
A.S. Nowick, B.S. Berry
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Relaxation Times in Magnetic Resonance

Physical Review, 1955
Line-widths and relaxation times in magnetic resonance are discussed via a random walk model which is derived by a simple argument. Using the result, various topics in nuclear resonance and in conduction-electron spin resonance are discussed. The physical basis for the effect of motion in narrowing resonance lines is clearly evident, and a simple ...
Pines, David, Slichter, Charles P.
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Dielectric relaxation time spectroscopy

IEEE Transactions on Biomedical Engineering, 2000
A new mathematical method is developed to recover the permittivity relaxation spectrum of living tissue from measurements of the real and imaginary parts of the impedance. Aiming to derive information about electrical properties of living tissue without the prior selection of any impedance model, the procedure calculates the relaxation time ...
Kevin Paulson, Svetlana Jouravleva, Chris N. McLeod   +2 more
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A relaxation function with distribution of relaxation times

Physics Letters A, 1970
Abstract A dispersion function based on mixed second order kinetics is interpreted as a linear dispersion system with infinite many relaxators explicitly given.
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Polymer Relaxation Times from Birefringence Relaxation Measurements

The Journal of Chemical Physics, 1967
A theoretical description of the time dependence of induced birefringence in polymers, based on the ``pearl-necklace'' model, is presented, and relations between relaxation and frequency dependence methods are discussed. The relaxation theory is applied to the results of measurements of the longest relaxation time for the DNA from bacteriophage T2. The
D S, Thompson, S J, Gill
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Time to relax

Optician
Optician presents a selection of relaxation lenses designed to reduce eye strain
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