Radiothermoluminescence and Transitions in Polymers |
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Page 59
... equilibrium more readily . Thus high temperature , small size of structural elements , and small interaction energies promote the establishment of equilibrium in a system and , in turn , promote relaxation . For a simple relaxation ...
... equilibrium more readily . Thus high temperature , small size of structural elements , and small interaction energies promote the establishment of equilibrium in a system and , in turn , promote relaxation . For a simple relaxation ...
Page 61
... equilibrium hole density , i.e. , an equilibrium volume , and it contracts with temperature mainly because of a decrease in the density of the holes . In a liquidlike system , the local free volume is continually being redistributed ...
... equilibrium hole density , i.e. , an equilibrium volume , and it contracts with temperature mainly because of a decrease in the density of the holes . In a liquidlike system , the local free volume is continually being redistributed ...
Page 74
... equilibrium polarization as P ( t ) = Po ( 1 - e - UT ' ) ( 4.11 ) where T is the time constant for the exponential approach toward equilibrium . P ( t ) is proportional to the total magnetization of the sample in the direction of the ...
... equilibrium polarization as P ( t ) = Po ( 1 - e - UT ' ) ( 4.11 ) where T is the time constant for the exponential approach toward equilibrium . P ( t ) is proportional to the total magnetization of the sample in the direction of the ...
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Common terms and phrases
activation energy annealing atactic atoms blend changes charge Charlesby Chem chemical cis-polybutadiene components concentration constant cooling copolymer cross-linking crystal decay decrease density depends dielectric distribution dose E/kT electron affinity electron traps emission entropy equilibrium evaluation excited molecules factor first-order fluorescence fraction free volume frequency frequency factor glass glass-transition temperature glow curve glow peak grafting heating increase INTENSITY relative units interaction interfacial intersystem crossing interzonal ionization irradiation isotactic kinetic linear low-temperature luminescence centers LUMINESCENCE INTENSITY relative Macromolecules material maxima maximum mechanical melting method molecular motion molecules Nikolskii nuclear magnetic resonance observed occur oxygen phase phosphorescence Phys polybutadiene polyethylene samples polyisobutylene polypropylene polystyrene position quenching radiation radicals radiothermoluminescence reaction recombination relaxation transitions room temperature secondary relaxation semicrystalline semicrystalline polymers spectra spectroscopy structure temperature thermal thermodynamic thermoluminescence thermoluminescence peaks tion transition temperature trapped electrons untrapping vibrational vinyl vulcanization whereas Zlatkevich
References to this book
Polymer Surfaces and Interfaces II, Volume 2 W. J. Feast,H. S. Munro,R. W. Richards Snippet view - 1993 |