查询词典 viruses

Each advance in microscopic technique has provided scientists with new perspectives on the function of living organisms and the nature of matter itself. The invention of the visible light microscope late in the sixteenth century introduced a previously unknown realm of single celled plants and animals. In the twentieth century, electron microscopes have provided direct views of viruses and minuscule surface structures.

显微技术显微镜技术的每一个进步都给科学家提供了看待生物体的功能和其性质的新观察方式。16世纪晚期可视光显微镜的发明引入了一个以前一无所知的单细胞植物和动物的领域。20世纪电子显微镜提供了对病毒和极微物体的表面结构的直接观察。

compared with the classic rabies virus, the strains shared the higher degree of homology with the street viruses obtained from thailand and philippines than other known strains especially that rabies virus isolated from chiroptera in america.

结果 同源性分析表明， 4株湖南街毒p和m基因核苷酸同源性分别为97.3%～99.4%和98.4%～99.8%；与其它i型狂犬病病毒和疫苗株核苷酸同源性比较，p基因分别为78.4%～90.2%和81.8%～86.8%；m基因的分别为81.8%～92.1%和84.7%～90.6%。4株野毒p和m基因氨基酸同源性分别为98.0%～99.3%和98.5%～99.0%。

Viruses are the important causes of diseases affecting Cucurbitaceae crops in the world.

瓜类病毒病害是葫芦科作物上的一类主要病害，病毒种类达30 多种，其中以西瓜花叶病毒2号(Watermelon mosaic virus 2，WMV-2)的危害最大。

Simultaneously responsible pathogen was detected by analyses of BAL, sputum and blood specimen, with regard to cell differential count, cytopathologic examination and cultures for bacteria, fungi and viruses.

并通过支气管肺泡灌洗液、痰、咽拭子及血标本的检查进行病原学诊断，包括细胞分类、病理学检查及细菌、真菌和病毒的培养等。

Advance of the cytopathological characterization of main tobacco virus diseases and molecular biology of main pathogenic viruses of tobacco will be summarized, and next study work on the tobacco virus diseases in Yunnan will be suggested.

对烟主要病毒病的细胞病理特征及主要病毒病原的分子生物学研究进展进行了简要综述，对云南烟草病毒病研究存在的问题和下一步的深入研究开展了探讨。

Plant Virology 2 S T. H. Chen, FThe course will give conventional and molecular level of plant viruses in order to help the students to get much theoretical and practical knowledge about plant virology. The contents cover the molecular structure of virion and genome, virus isolation, dentification and purification, transmission, variation,ecology, nomenclature and classification, diagnosis and control.

本课程除传统植物病毒学范畴外，并涵盖从分子层次讨论植物病毒之构造，引起之植物病害，田间发生及防治，期能达到理论与实务并重；内容包括植物病毒分子层次的构造及核酸组成，病毒分离、鉴定与纯化，在寄主体内之增殖及转移，媒介传播、遗传及变异，其引起之病害及田间发生生态与防治。

Objectives: To explore the correlation between genital dermatoma and HPV infection.

目的：探讨外生殖器部位皮肤肿瘤和人乳头瘤病毒(human papilloma viruses，HPV)感染的相关性。

The kind of e-mail abuse can be classified as two. One is that, certain person or entity sends mails of similar content, or improper information, even computer viruses; the other is that, certain employee may divulgate the business secret through e-mail intentionally or not.

企业的电子邮件滥用问题有两类，一是指企业外部某些个人和机构向企业发送大量内容雷同或含有不适宜信息甚至附带计算机病毒的邮件；另一类是指企业内部的员工在有意或无意的情况下通过电子邮件泄漏了涉及企业知识产权和商业机密的信息。

Classically, embryonated eggs and primary monkey kidney cells have been the isolation methods of choice for influenza viruses, although some continuous cell lines may be used.

通常，鸡胚和原代猴肾细胞培养是分离流感病毒的首选方式，一些传代细胞株也可用于流感病毒的培养。

With various combinations of HA, NA genes, we successfully generated high-yield reassortant viruses rgH1N1, rgH4N6 and rgH3N8 in embryonated eggs and MDCK cells.

基因替换后成功拯救出的重组病毒rgH1N1、rgH4N6和rgH3N8在鸡胚和细胞上均具有较高的增殖能力。

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。