Limit Cycle of Simple Chemical Reaction Systems
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摘要: 本文在文[2]的基礎上,對系統
$\left\{ {_{\frac{{{\rm{dy}}}}{{{\rm{dt}}}}{\rm{ = a - }}{{\rm{x}}^{\rm{2}}}{\rm{y}}}^{\frac{{{\rm{dx}}}}{{{\rm{dt}}}}{\rm{ = b - }}{{\rm{x}}^{\rm{2}}}{\rm{y}}}} \right.\;\;\;\;\;\;\;(1)$
(其中a>0,b>0)作了更深入的研究,從而得到當a-b≤(a+b)3時,系統(1)無極限環的結論,并指出了,當a-b>(a+b)3時,系統(1)的極限環的位置及其隨參數a,b的變化情況。Abstract: This paper, on the basis of authors paper[2], Studies further thesystem
$\left\{ {_{\frac{{{\rm{dy}}}}{{{\rm{dt}}}}{\rm{=a - }}{{\rm{x}}^{\rm{2}}}{\rm{y}}}^{\frac{{{\rm{dx}}}}{{{\rm{dt}}}}{\rm{=b - }}{{\rm{x}}^{\rm{2}}}{\rm{y}}}} \right.\;\;\;\;\;\;\;(1)$and a result is abtained that if a - b ≤ (a + b)3 holds, system (1) has no limit cycle.It also points out the position of limit cycles of the system (1) when a-b>(a + b)3 holds how it changes with the parameters a, b.-
Key words:
- chemical reaction systems /
- limit cycle
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