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The efficiency of IRES-dependent translation is concerned with the infectivity of viruses, but whether the IRES is concerned with neurotropism or not is still controversial.

另一方面，病毒IRES与核醣体的结合需要细胞中IRES trans-acting factors的参与，而目前对肠病毒71型ITAF的了解仍然有限。

Pseudelatia separata (Lepidoptera: Noctuidae) infected with Pseudelatia separata NPV and Pseudelatia separata GV and coinfected with the two viruses, the structural characters of its prothoracic gland and the ultrastructure of the gland cells were observed. The results showed that pathological changes appeared in the infected PTGs.

观察比较了粘虫核型多角体病毒(Pseudelatia separata NPV，PsNPV)、粘虫颗粒体病毒(Pseudelatia separataGV，PsGV)感染粘虫，以及两种病毒混合感染粘虫后，粘虫前胸腺的形态特征和前胸腺细胞的超微结构。

Now that nobody gets "nonparalytic polio" anymore since there are vaccines against the 4 paralytic polio viruses (I don't understand the logic either, but the diagnosis has completely disappeared) we all just have mysterious viral illnesses that leaves us with what would be diagnosed as post polio syndrome if we had been diagnosed with polio first but otherwise it's just FMS and CFIDS.

现在，没有人获得&nonparalytic小儿麻痹症&了，因为有4对麻痹性脊髓灰质炎病毒疫苗（我不明白的逻辑下去，但诊断已完全消失），我们都只是具有不可思议的病毒性疾病是留给我们的将是什么脊髓灰质炎后综合征的诊断，如果我们被诊断患有小儿麻痹症的第一步，但否则只是FMS和CFIDS。

Methods: The human KDR promoter (-225 bp~+127 bp) was cloned by PCR. Subsequently, a recombinant adenoviral plasmid carrying KDR promoter for the HSV-tk gene was constructed with the AdEasy system. As a control, the plasmid pAdCMV-tk carrying CMV promoter for the HSV-tk gene was also constructed. 293 packaging cells were transfected by both newly-constructed plasmids and the infectious viruses AdKDR-tk and AdCMV-tk were generated. Then the KDR-producing cells and the KDR nonproducing cells (HepG2) were infected with AdKDR-tkand AdCMV-tk, followed by ganciclovir administration.

应用PCR克隆出人KDR基因启动子序列－225bp~+127bp，以AdEasy system为载体，构建携带受KDR启动子或CMV启动子调控tk基因表达的2种重组腺病毒质粒pAdKDR-tk和pAdCMV-tk，在293细胞中包装、扩增后，体外感染表达KDR的脐静脉血管内皮细胞系HUVEC和不表达KDR的肝癌细胞系HepG2，并给予不同浓度的丙氧鸟苷处理，5d后收集存活细胞并计数。

As viruses have evolved, the technologies used to detect them have also become more complex. Advanced technologies (heuristics and behaviour analyzers) can collectively be referred to as 'nonsignature' detection methods.

即使病毒演化出更多变种，该技术仍可通过不断的更新来侦测它们，而更先进的技术可统称为'非特征值'的检测方法（如启发式和行为分析技术）。

OBJECTIVE To investigate the methods of prevention of hepatitis viruses in nosocomial infection of hemodialysis patients.

目的 探讨血液透析患者肝炎病毒医院感染的预防方法。

The result showed that the velogenic ND viruses of 3 genotypes have pantropic tropism for chickens.

试验结果表明，所用NDV强毒株对试验鸡均为泛嗜性病毒。

DsRNA viruses of C. parasitica from east of China were divided into 4 types on the basis of electrophoresis patterns.

采用生物学测定和凝胶电泳对栗疫病菌的dsRNA进行研究。

The co-infection of both viruses is quite interesting in many, many aspects. It's a much more pathopoiesis process than mono-infection.

两种病毒混合感染在许多方面都是很有意思的，这种感染要比单一感染更有致病性。

The plaque morphology, growth kinetics of the mutant viruses were phenotypically indistinguishable from that of the parental virus.

表明PRRSVORF间重叠碱基的安排方式对病毒的感染性是非必需的，获得的两株突变病毒为进一步研制PRRSV基因标识疫苗、研究PRRSV各编码蛋白功能奠定了基础。

Recall that, in the Kolmogorov axiomatization, measurable sets are the sets which have a probability or, in other words, the sets corresponding to yes/no questions that have a probabilistic answer.

延期开工的Kolmogorov宣布要衡量所有套职能有限许多坐标限制在于衡量子寅。换句话说，如果是/否的问题回答f可看的价值观念在许多最有限坐标，然后它有一个概率的答案。

The experimental results showed that the algorithm can filter singular points and remain fixity of the target edge.

实验表明：基于模糊理论的图像智能滤波方法比常规图像滤波方法运算量小，它既能去除奇异点，又能保持图像中目标的边缘不变性，具有很好的滤波效果。