958 resultados para Fuller, George, 1822-1884.


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Introductory note signed: Josiah B. Millet.

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Title in red and black.

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Mode of access: Internet.

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[George Damon Fuller and students of a University of Chicago Department of Botany class. Negative by Fuller.; Department of Botany, University of Chicago.

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Nuclear weak interaction rates, including electron and positron emission rates, and continuum electron and positron capture rates , as well as the associated v and –/v energy loss rates are calculated on a detailed grid of temperature and density for the free nucleons and 226 nuclei with masses between A = 21 and 60. Gamow-Teller and Fermi discrete-state transition matrix element systematics and the Gamow-Teller T^< →/← T^> resonance transitions are discussed in depth and are implemented in the stellar rate calculations. Results of the calculations are presented on an abbreviated grid of temperature and density and comparison is made to terrestrial weak transition rates where possible. Neutron shell blocking of allowed electron capture on heavy nuclei during stellar core collapse is discussed along with several unblocking mechanisms operative at high temperature and density. The results of one-zone collapse calculations are presented which suggest that the effect of neutron shell blocking is to produce a larger core lepton fraction at neutrino trapping which leads to a larger inner-core mass and hence a stronger post-bounce shock.

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Vol. 6 has special title: Appendix to the Bibliographer's manual of English literature. Containing an account of books issued by literary and scientific societies and printing clubs; books printed at private presses; privately printed series; and the principal literary and scientific serials. Comp. by Henry G. Bohn ...

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