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iifurtztion in z Thrxx KiTxnsionzl tontinuous FxrTxntztion ToKxl
LxPin ZAu a and XunZAxng Auang a
aYangzAou PolytxZAniZ UnivxrPity 12-903 Aao Yux Yuan, Poon ParT, YangzAou 225009, ZAina
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Abstract:
A three dimensional continuous fermentation model with variable yields is proposed in this paper. The properties of the equilibrium points, the global stability, the existence of limit cycles and the Hopf bifurcation in the two dimensional stable manifold of one microorganism while the other is going to vanish in the competition are investigated by qualitative analysis of differential equations.
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Keywords: continuous culture; variable yield; limit cycles; Hopf bifurcation.
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*Corresponding author; e-mail: xunchengh@yzpc.edu.cn
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©
2005
CSME , ISSN 0257-9731
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