研究报告的作者认为二手烟可能影响免疫系统。这使得出生不久的婴儿、刚学会走路的婴儿及低龄儿童更容易受各类传染病的影响。
The study authors speculate that secondhand smoke may affect the immune system, making infants, toddlers and young children more susceptible to infections of all kinds.
研究了两类不同免疫方式下具有饱和传染力的SIR流行病模型的动力学行为。
The dynamic behaviors of a kind of SIR epidemic model with two different vaccination strategies and saturation infectious force are researched.
具有时滞的传染病模型能较好反映传染病的潜伏期、免疫期等问题，对其研究越来越受到重视。
The latent and immunity period of inflection can be reflected by the infection model with delay, and more studies pay attention to them.
以艾维茵肉鸡为试验动物，研究了垂体肾上腺轴在传染性腔上囊病病毒(IBDV)强毒株攻击时对免疫系统的调节作用。
Avian broilers were used as experimental objects to study the mechanism of the pituitary adrenal axis regulating immune system when being infected with virulent infectious bursal disease virus (IBDV).
研究一个具有溶免疫反应的病毒传染病模型的全局稳定性。
This paper investigates the global stability of a viral infection model with lytic immune response.
就患病治愈后有很长免疫期的一般传染病传播过程进行研究，建立了该类疾病传播过程的动态微分方程模型。
We discuss the propagating process of epidemic diseases which makes people acquire strong immune abilities to them after recovering.
第二部分考虑了永久免疫力因素，研究了一类潜伏期具有传染力的SEIR模型，使模型更具有广泛性。
In the second section, considering the permanent immunity factor, the SEIR epidemic model with infectious force in the latent period which makes the model more universal is investigated.
这些都和人类疾病的小鼠模型相关，包括传染性疾病，移植，自身免疫性和癌症的研究。
This is relevant for mouse models of human disease, including the study of infectious diseases, transplantation, autoimmunity and cancer.
这些都和人类疾病的小鼠模型相关，包括传染性疾病，移植，自身免疫性和癌症的研究。
This is relevant for mouse models of human disease, including the study of infectious diseases, transplantation, autoimmunity and cancer.
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