1) 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。
2) 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。
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-DeAngelis function
Beddington-DeAngelis反应
补充资料:低促性腺激素性性功能低下
低促性腺激素性性功能低下
指女孩由于缺乏促性腺激素释放激素(GnRH)分泌,使促卵泡素(FSH)和黄体生成素(LH)分泌不足所引起的性征不发育。其原因可能为中枢神经系统疾病,如感染损伤,肿瘤,或先天缺陷;可能为单一促性腺激素缺乏,特发垂体功能低下矮小症,功能性促性腺激素缺乏等。
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