Structural relaxation processes are reported in polystyrene as a function of ageing time using positron annihilation lifetime and Doppler broadening spectroscopy. Changes in the intensity, lifetimes and line shapes with increasing temperature for ortho positronium annihilation show an internal consi
β¦ LIBER β¦
Positron Annihilation Studies of Age-Induced Changes in Animal Lenses
β Scribed by Hsu, F. H. ;Wen, B. G. ;Kuck, J. F. R. ;Yu, N. T.
- Publisher
- John Wiley and Sons
- Year
- 1987
- Tongue
- English
- Weight
- 271 KB
- Volume
- 102
- Category
- Article
- ISSN
- 0031-8965
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