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- Keywords two-strain SIJR epidemic model;superinfection;age of infection;basic reproductive number;steady state; 重复感染;染病年龄;再生数;SIJR流行病模型;稳定性;
- two-strain SIJR epidemic model 重复感染
- An SIRS epidemic model with vaccination is investigated in this paper. 摘要该文讨论了一类带有接种的流行病模型。
- An SI epidemic model with standard incidence rate as follow is investigated. 研究如下一类具有标准发生率的SI型传染病模型。
- The ORF-1 gene only esisted among PrV and EHV-1 Ab4 strain, that the homolog of the two strain was 35%. ORF-1基因只存在于PrV和EHV-1 Ab4株中,二者氨基酸同源性为35%25。
- A predator-prey SIS epidemic model with infected prey is studied, and the effects of the disease on predation for the infected prey are not considered. 摘要研究了一类疾病只在食饵中存在的捕食系统的SIS传染病模型。在此模型中,不考虑疾病对捕获率的影响。
- Junyuan Yang, Rui Xu, Fengqin Zhang.A differential susceptibility and infectivity epidemic model with age of infection.Math.Sci.Res.J. 杨建雅,张凤琴,杨友社.;一类带有阶段结构的传染病模型的定性分析
- Bacillus subtilis and Bacillus brevi were separated from the fermented production of Shenxian Bean,the two strain were identified on the basis of the colony form,biochemical character of bacteria. 从神仙豆中分离到两种芽孢杆菌,对其菌落形态、生化特性等方面进行研究,发现一种为枯草芽孢杆菌,另一种为短芽孢杆菌。
- The two strain rates are applied.The bending of nano-single copper pole is studied also.It proves that nano single-crystal of copper pole has the difference deformation compared with macroscale. 研究了铜纳米杆在高低两种应变率的变拉伸以及纳米单晶铜杆的弯曲,观察到了位错的产生。
- Effect of two strains of Brucellae on the NK cell activity in C_(57)BL mice. 羊牛布鲁氏菌对C_(57)BL小鼠的自然杀伤细胞活性的影响
- Two strains XI and Rl which could degrade AHL were isolated in this study. 本实验利用酰基高丝氨酸内酯为菌株生长的唯一的碳源和能源,筛选得到两株能够降解AHL的菌株X1和R1。
- Persistence of an SIRS Epidemic Model of Two Competitive Species 两种群相互竞争的SIRS传染病模型的持续生存
- Two strains of turnip mosaic virus were identified on rape in Kiangsu. 江苏省为害油菜的?菁花叶病毒有黄斑及枯斑两个。
- The two strains has common antigen of the OMP which has good immunogenicity. 外膜蛋白是部分供试菌株的共同抗原,具有免疫性。
- A pig manure was ecologically treate d by housefly larvae of two strains(Y strain and Z strain)for one week to observe quantitative change of nutrients an d trace elements. 采用室内培养试验方法,观察研究了猪粪经家蝇幼虫(蝇蛆)处理后肥料养分和微量元素含量的变化。
- The first kind of the theories is based on the imperfection information, including Epidemic models and Bayesian learning models. 以信息不完全为出发点的理论研究主要包括传染病模型和贝叶斯学习模型等;
- The growth efficience of two strains in MDCK cells was lower than in BHK-21 cells, but the growth of the HepFHA in MDCK cells was better than that of HepFlury strain. MDCK细胞中病毒的增殖效率低于BHK-21细胞,但嵌合病毒HepFHA对MDCK细胞的适应性高于疫苗株HepFlury。
- Scientists were studying two strains of the roundworm C. elegans, one strain that is commonly used in the laboratory, another that was isolated in Hawaii. 科学家研究了两种秀丽隐杆线虫,其中一种是在实验室广泛运用的线虫,而另一种则是从夏威夷分离得到的线虫。
- An Epidemic Model with Certain Period of Quarantine 一类带有确定隔离期的传染病模型的稳定性分析
- Study for A SIS Epidemic Model with Delay 一类时滞SIS传染病模型的讨论