Radiothermoluminescence and Transitions in Polymers |
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Page 12
... vibrational states by about 0.1 eV , and electronic states by about 3 eV . In absorption spectra , rotational excitation shows as absorption in the microwave and far - infrared region , vibrational excitations absorb in the near ...
... vibrational states by about 0.1 eV , and electronic states by about 3 eV . In absorption spectra , rotational excitation shows as absorption in the microwave and far - infrared region , vibrational excitations absorb in the near ...
Page 13
... vibrational cycle be at the same interatomic distance as that of the dissociative state , and sooner or later the crossover will occur . Because the vibrational levels do not match exactly , the crossing over from one state to the other ...
... vibrational cycle be at the same interatomic distance as that of the dissociative state , and sooner or later the crossover will occur . Because the vibrational levels do not match exactly , the crossing over from one state to the other ...
Page 15
... vibrational cycle . With many organic compounds , however , molecular frag- mentation predominates and lower - molecular - weight molecule ions result . In a system containing two types of molecules , charge exchange can occur with the ...
... vibrational cycle . With many organic compounds , however , molecular frag- mentation predominates and lower - molecular - weight molecule ions result . In a system containing two types of molecules , charge exchange can occur with 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 |