1) Beddington-DeAngelis type functional response
Beddington-DeAngelis型功能性反应
1.
In this paper,we investigate the analysis of the equilibrium and Hopf bifurcation of a predator-prey system with Beddington-DeAngelis type functional response.
针对一类含有Beddington-DeAngelis型功能性反应的捕食系统,给出了平衡点分析和Hopf分支产生的条件,通过数值例子验证了极限环的存在性,对生态系统动力学复杂性的研究提供了参考。
2) Beddington-DeAngelis functional response
Beddington-DeAngelis功能性反应
1.
By using the continuation theorem based on coincidence degree theory,establishes the existence result of positive periodic solution for the periodic predator-prey system with Beddington-DeAngelis functional response.
研究一类非自治的具有时滞和基于比率且有Beddington-DeAngelis功能性反应的两种群捕食者-食饵周期系统,利用Mawhin重合度理论建立了这类系统的正周期解存在的一个充分性判据。
2.
In this paper,a non-autonomous dispersal-delay predator-prey system with Beddington-DeAngelis functional response is studied.
研究具有时滞和扩散的Beddington-DeAngelis功能性反应的捕食-食饵模型,利用重和度理论探讨了此模型在周期情形下周期解的存在性。
3) beddington-deangelis functional response
Beddington-DeAngelis功能反应
1.
Predator-prey system with time delays and Beddington-DeAngelis functional response;
具有Beddington-DeAngelis功能反应的时滞捕食者-食饵模型的周期解
2.
Permanence for periodic predator-prey system with Beddington-DeAngelis functional response;
带有Beddington-DeAngelis功能反应的周期捕食与被捕食系统的永久持续生存(英文)
3.
By using the theory of topological degree, sufficient conditions which guarantee the existence of a postive periodic solution of the three-species food chain system with Beddington-DeAngelis functional response are obtained.
对具有Beddington-DeAngelis功能反应的三种群食物链系统,利用重合度理论的延拓定理得到该系统存在周期正解的充分条件。
4) Beddington-Deangelis type of functional response
Beddington-Deangelis类功能反应
5) Beddington-DeAngelis functional response
Beddington-DeAngelis功能反应函数
6) Beddington type functional response
Beddington型功能性反应
1.
The persistence for a nonautonomous two predators-prey system with Beddington type functional response is considered in this paper .
讨论一类具有Beddington型功能性反应的捕食者———食饵非自治系统。
补充资料:排卵型功能性子宫出血
排卵型功能性子宫出血
排卵型功血多发生在生育年龄的妇女,与精神过度紧张、劳累、环境气候骤变、营养不良及全身疾病有关;还常发生在产后、流产后,与内分泌功能尚未完全恢复有关。多因黄体功能不足或萎缩过程延长,表现为月经周期基本规律,但月经周期缩短、经期延长、经量多或月经前后淋漓出血。妇科检查无器质性病变;月经前子宫内膜呈分泌期反应。基础体温呈双相;宫颈黏液在月经的前半周期有羊齿状结晶;在月经的后半周期出现椭圆体;阴道脱落上皮细胞在月经周期中有排卵型的周期性变化。治疗原则多为在黄体期补充孕激素。
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参考词条