此外，世卫组织很早就指出，流感病毒缺乏稳定性，可以迅速发生重大变异，因此难以预测其影响是否会维持中等程度。
WHO also noted, early on, that influenza viruses are unstable and can undergo rapid and significant mutations, making it difficult to predict whether the moderate impact would be sustained.
研究人员们怀疑，冬季的低温、潮湿、紫外线等条件会增加病毒的稳定性，缩在屋子里的人们也一样会方便它的传播。
Researchers suspect that lower temperature, humidity, and ultraviolet light during the winter may increase viral stability; people huddling indoors may facilitate spread as well.
认真选择下载网站。并不是所有的网站都对软件的稳定性、可用性、侦察功能和病毒进行测试。
Choose your download site carefully. Not all sites test software for stability, usability, spyware, and viruses.
目的考察乳酸-羟乙醇酸共聚物(PLGA)微球制备工艺对新城疫病毒的稳定性影响，并寻求合适的保护剂以稳定新城疫病毒的活性。
OBJECTIVE to evaluate the effects of formulation technique of PLGA microspheres on the stability of Newcastle disease virus and to look for a proper protectant to stabilize Newcastle disease virus.
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.
研究了一种复方戊二醛消毒剂对鸡禽流感病毒(AIVH9N2株)的杀灭效果及稳定性。
The efficacy and stability of the complex glutaraldehyde disinfectant was tested in inactivating avian (influenza) virus H9N2 strain (AIV H9N2).
根据冻干后外观、病毒滴度和热稳定性试验等结果，筛选出冻干保护剂的最适配方。
Screen the optimal stabilizer according to the appearance, virus titer and thermostability of the freeze-dried vaccine.
讨论了一类由两种不同病毒导致的SIR流行病模型，分析了平凡平衡点的局部稳定性，得到了基本再生数的数学表达式；
A two-strain SIR epidemic model is discussed and an explicit formula for the basic reproductive number is derived by analyzing the local stability of the trivial equilibrium.
前病毒整合位点、靶细胞特性和整合后的载体结构与转入基因表达的稳定性紧密相关。
The integration sites of provirus, the nature of the target cells and the structure of vectors were closely related to the stability of gene expression.
无机纳米颗粒类非病毒型基因载体因其稳定性好、生物亲和性好、安全、有效、无免疫原性等优点，已引起广泛关注。
Inorganic nanoparticles as non-viral gene carriers have caught much attention because of their good stability, biocompatibility, safety, efficiency and non-immunogenicity.
病毒的威胁，可以影响整个网络的稳定性，导致数据丢失。
The threat of viruses can influence the stability of the entire network, cause data is lost.
新城疫病毒B95 (NDV B95)是从国外引进的一株热稳定性的天然弱毒株。
Newcastle disease virus (NDV) avirulent strain B95 was newly introduced from abroad.
作者用4种稳定性核素标记的支链氨基酸和芳香氨基酸对正常人与重型病毒性肝炎（重型肝炎）患者进行示踪动力学的研究。
The metabolic kinetics of branched chain amino acids (BCAA) and aromatic amino acids (AAA) in normal subjects and patients with severe viral hepatitis as studied with 4 stable isotope labeled tracers.
结论LPD是一种制备工艺简单、体外稳定性好、转染率高，具有应用潜力的非病毒载体系统。
Conclusion LPD could be prepared easily with small particle sizes and high transfection activities. LPD may be good non-viral vectors for applications in gene delivery.
结论LPD是一种制备工艺简单、体外稳定性好、转染率高，具有应用潜力的非病毒载体系统。
Conclusion LPD could be prepared easily with small particle sizes and high transfection activities. LPD may be good non-viral vectors for applications in gene delivery.
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