流行病

Particular emphasis is placed on evaluating the significance of the effects of such toxicants on human health.

涉及到与天然毒物相关的生物化学、生物合成、化学、流行病学、免疫学、新陈代谢、营养学、药理学和病理生理学。

"I think that vaccines, justly credited as the tamers of disease epidemics, are nevertheless the leading killers of dogs and cats in America today ."

&我认为，以前被认做是流行病克星的疫苗，现在正是美国的宠物狗宠物猫的头号杀手。&

Reveal the characteristics and regular pattern of its epidemic.①Investigated the epidemiological history of 448 clinical confirmed SARS cases, drawing the map of coming places of primary cases and whereabouts of the secondary cases, clarify the reasons of SARS inputting and spreading.②Exploring transmission relationship between cases by drawing the chain-map and learning the main transmission process.③Selecting the chain-cases with the exact onset and contact time to calculating the average incubation of same generation cases on different transmission chains and the average incubation of different generation cases on same transmission chain, Calculating the incubation median, the fifth percentile and the ninety-fifth percentile of the incubation of the observed cases.④Analyzing the timeliness of admission and the treating condition through the statistical calculation of the onset time, the admission time, the hospitalization time as well as the diagnostic time of the suspect and clinical confirmed cases.

调查全省448例SARS临床确诊病例的流行病学史，绘制全省输入SARS原代病例的主要来源以及引起传播后被感染者的去向图，阐明SARS病例的输入与扩散原因；②用传播链图分析传播关系，了解SARS的主要传播过程；③选择SARS原代病例与续发病例接触日期、发病日期明确而完整的传播链病例计算不同传播链同一代之间以及同一传播链不同代之间的平均潜伏期，并计算观察病例潜伏期的中位数以及第5、第95百分位数，确定SARS的最短潜伏期和最长潜伏期；④对患者发病、就诊、住院时间以及医院诊断为SARS可疑病例、临床确诊病例的时间进行统计，分析SARS就诊的及时性以及临床诊治情况；⑤计算不同接触方式、关系密切程度传播SARS的危险度，筛选形成传播的主要危险因素；⑥检测不同人群和同一人群不同时间的SARS血清抗体，了解抗体的阳转时间和持续时间。

At present,it is significant practically to carry out epidemiological study of Syndromes of TCM of CHD.

在目前状况下开展冠心病中医证候学的流行病学调查有一定实际意义。

This report summarises the findings from a few major projects on epidemiology, and the prevention and the treatment of CHD in China.

这份报告总结了一部分主要研究项目在中国慢性心力衰竭流行病学、干预和治疗方面的发现。

Well, the epidemic of ornament is recognised by the state and is subsidised with government money.

很好，政府上市这个装饰流行病并且用国家的钱津贴它。

Epidemiologist Luc Smits of Maastricht University, the Netherlands, who led the study, believes the results support the idea that sperm bearing the male Y chromosome swim faster than sperm with the female X chromosome, and can travel through viscous cervical mucus more easily.

荷兰Maastricht大学的流行病学家Luc Smits领导了这项研究，他相信这项结果支持携带Y染色体的精子游的速度要快于携带X染色体的，且更容易穿过粘性子宫颈粘液的想法。

He went west by stage coach and succumbed to the epidemic of gold and siler feer in Neada's Washoe Region.

误：他乘公共马车到了西部，患了瓦肖地区的金银发烧流行病。

At the same time, we carried out an epidemiological study on the neurodevelopmental risk factors in the schizophrenia patients and their normal sibs.

本研究同时还对精神分裂症患者及其正常同胞在母孕产期，婴幼儿期以及儿童青少年期的一些与神经发育有关的因素进行流行病学分析。

Although the researchers did not examine why non-AIDS cancers may occur at a greater rate among individuals with HIV, clinicians should be aware of this potential increased risk when examining patients with HIV, said Meredith Shiels, M.H.S., an epidemiologist at Johns Hopkins School of Public Health.

约翰。霍普金斯公共卫生学校的流行病专家Meredith Shiels，医学博士说，尽管研究者没有检查为什么在HIV感染人群中非艾滋病相关癌症会高比例发生，临床医师应该意识到当病人被检测出感染HIV，这种潜在的风险会增加。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。