965 resultados para Gravesend, Richard de, Bishop of London, -1303.


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by Hyman Hurwitz

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The New Cockney provides a sociolinguistic account of speech variation among adolescents in the 'traditional' East End of London. The study takes account of the social and economic upheaval in the area since the 1950s, primarily concentrating on factors such as the immigration of the Bangladeshi community and its effect on the Cockney dialect. By paying attention to the particular, this book contributes to a better understanding of the more general concerns of linguistic variation. With a focus on the interaction and social practices of a group of adolescents attending a youth centre, the study highlights some of the possible mechanisms for language change.

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Samuel Cooper

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Signatur des Originals: S 36/F11195

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Graphs of second harmonic generation coefficients and electro-optic coefficients (measured by ellipsometry, attenuated total reflection, and two-slit interference modulation) as a function of chromophore number density (chromophore loading) are experimentally observed to exhibit maxima for polymers containing chromophores characterized by large dipole moments and polarizabilities. Modified London theory is used to demonstrated that this behavior can be attributed to the competition of chromophore-applied electric field and chromophore–chromophore electrostatic interactions. The comparison of theoretical and experimental data explains why the promise of exceptional macroscopic second-order optical nonlinearity predicted for organic materials has not been realized and suggests routes for circumventing current limitations to large optical nonlinearity. The results also suggest extensions of measurement and theoretical methods to achieve an improved understanding of intermolecular interactions in condensed phase materials including materials prepared by sequential synthesis and block copolymer methods.