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研究具有Logistic增长和饱和CTL免疫反应及其免疫时滞的HIV病毒模型.讨论在不同情况下无病平衡点‰,无免疫感染平衡点E1,免疫感染平衡点E2的存在条件,通过分析特征方程,建立三个平衡点的局部渐近稳定性;讨论免疫感染平衡点E2附近存在Hopf分支的充分条件,通过规范型方法及中心流定理,分析Hopf分支的方向和稳定性.数值模拟验...
Logistic增长免疫反应研究具有Logistic增长和饱和CTL免疫反应及其免疫时滞的HIV病毒模型.讨论在不同情况下无病平衡点‰,无免疫感染平衡点E1,免疫感染平衡点E2的存在条件,通过分析特征方程,建立三个平衡点的局部渐近稳定性;讨论免疫感染平衡点E2附近存在Hopf分支的充分条件,通过规范型方法及中心流定理,分析Hopf分支的方向和...
Logistic 繁殖增长的. (6 已传染病毒的细胞被 CTL 免役反响除去后则不会释放病毒颗粒 ,且假定其被除去的速率为 .本文中波及的其它有关符号的说明::分别表示易感细胞 ,已传染病毒细胞 ,病毒微粒 ,CTL细胞的死亡率.:易感细胞与病毒微粒的接触率.:单位时间胸腺分泌的易感细胞数量.:易感细胞的 Logistic 增长率....
宿主HLA限制性的CTL选择压力对于HIV进化的影响
ctld.logisticUnits = { "logistic1", "logistic2", "logistic3", "logistic4", "logistic5", "logistic6", "logistic7", "logistic8", "logistic9", "logistic10", } Example: Mission Editor Script Functions Preload Troops into Transport You can also preload troops into AI transports once the...
B. Logistic回归 C. 相关分析 D. 方差分析 查看完整题目与答案 锻造“四铁”过硬部队,“四铁”指的是: A. 铁一般的信仰 B. 铁一般的信念 C. 铁一般的纪律 D. 铁一般的担当 查看完整题目与答案 “觉得你冷”不合理的地方在于: A. 忽视了不同主体之间的差别性 B. 不了解个性寓于共性...
aaccounting,logistic,controlling 认为,逻辑斯谛,控制[translate] a青空に描いた 您在蓝天画了[translate] a懦弱,是中国人的令人一看便知的一个缺点 Spiritless, as soon as is Chinese's command person looks at an apparent shortcoming[translate]
We present two HIV models that include the CTL immune response, antiretroviral therapy and a full logistic growth term for uninfected $$ext{ CD4}^+$$ T-cells. The difference between the two models lies in the inclusion or omission of a loss term in the free virus equation. We obtain ...
with known HLA class I genotype and RT sequence were studied.Multiple logistic regression models were used to analyse associations between HLA class I alleles and NS mutations in RT sequence compared with the population consensus sequence,which differed from the clade B reference sequence WEAU (U2113...