Methyl- and dimethyl-associated paramagnetic centers in SiO2 thin films
In: Journal of Applied Physics. - [S.l.], ISSN 1089-7550, Vol. 74, No. 9 (1993), p. 5527-5530 Zugang:
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1993
SiO2 thin films, deposited by the plasma-enhanced chemical vapor deposition technique using tetraethylorthosilicate (TEOS) and O2 as precursors, exhibit electron-paramagnetic-resonance signals that are interpreted in terms of methyl- and dimethyl-associated centers. The former are observed in... mehr
Space-time variability in mediterranean pastures analyzed with diversity parameters
in: Plant ecology , ISSN 1573-5052, Vol. 50 (2. 1982), p. 113-125 Zugang:
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1982
Abstract Different parameters of diversity and spatial niche amplitude (Piclou, 1975, Pineda et al., 1981b) have been used to describe the spatial organization of mediterranean grasslands in Central Spain. A slope sampled by 480 contiguous 8×8 cm quadrats proved to have a homogeneous floristic... mehr
Copyright: Copyright 1988 Dr W. Junk Publishers mehr
Fourth metting of the European Neurological Society 25–29 June 1994 Barcelona, Spain
in: Journal of neurology , ISSN 1432-1459, Vol. 241 (1. 1994), p. 1-164 Zugang:
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