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Decay properties of very-high-spin states in transitional Er nuclei aroundA=154 (1986)

Bogaert, G. ; Aguer, P. ; Bastin, G. ; [weitere]

Springer

The European physical journal 324 (1986), S. 107-116

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ISSN: 1434-601X

Schlagwort(e): 25.70 ; 21.10M ; 23.20C

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract Theγ ray continuum structures of the transitional Er isotopes withA∼154 are studied using the reaction74Ge(84Kr,xn)158−xEr atE lab=340 MeV. The measurements include energy spectra, total energies, multiplicities, angular distributions and lifetimes using the DSAM method. The analysis of data confirms the previously observed two-bump structure of the continuum radiation. A meticulous subtraction of discrete contributions proves the persistence of the low-energy bump even at high spins, i.e.I〉40ħ. The angular-distribution measurements assign predominant dipole structure to the bump atE γ=0.65 MeV, whereas the bump atE γ=1.3 MeV is of almost pure quadrupole character at high spins. The lifetime measurements give evidence for a strong enhancement of theB(E2) values of the upper bump,B(E2)/B sp〉130. Spin-selection studies reveal, in the spin rangeI=30−50ħ an almost constant energy for the 1.3 MeV bump,ΔE〈60 keV.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01290761

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Digitale Medien

Adaptive control of anaerobic digestion processes - a pilot-scale application (1988)

Renard, P. ; Dochain, D. ; Bastin, G. ; [weitere]

New York, NY [u.a.] : Wiley-Blackwell

Biotechnology and Bioengineering 31 (1988), S. 287-294

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ISSN: 0006-3592

Schlagwort(e): Chemistry ; Biochemistry and Biotechnology

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Biologie , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung

Notizen: A simple adaptive control algorithm, for which theoretical stability and convergence properties had been previously demonstrated, has been successfully implemented on a biomethanation pilot reactor. The methane digester, operated in the CSTR mode was submitted to a shock load, and successfully computer controlled during the subsequent transitory state.

Zusätzliches Material: 4 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/bit.260310402

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Optimal control of biomass growth in a mixed culture (1990)

Van Breusegem, V. ; Bastin, G.

New York, NY [u.a.] : Wiley-Blackwell

Biotechnology and Bioengineering 35 (1990), S. 349-355

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ISSN: 0006-3592

Schlagwort(e): Chemistry ; Biochemistry and Biotechnology

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Biologie , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung

Notizen: It is shown that, in a mixed culture, under realistic assumptions, the optimal temperature profile maximizing the final biomass production under the constraint of the final relative proportions of the two populations is constant. This result is illustrated with a simulation experiment on a lactic fermentation model.

Zusätzliches Material: 5 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/bit.260350404

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