查询词典 epidemiology

Three infectious bronchitis virus isolates named as Q1, J2 and T3 were isolated from proventricular tissue taken from vaccinated chicken flocks in China The biological characteristics of the three isolates were observed.

中文题名传染性支气管炎致腺胃病变毒株变异的分子基础及我国和东南亚分离株的分子流行病学研究副题名外文题名 Molecular basis for variation of proventriculus pathogenic IBV isolates and molecular epidemiology of IBV isolates from China and southeast Asia 论文作者蒋贻海导师陈溥言教授学科专业预防兽医学研究领域\研究方向动物分子病毒学及免疫学学位级别博士学位授予单位南京农业大学学位授予日期2002 论文页码总数127页关键词鸡传染性支气管炎传染性支气管炎病毒腺胃毒株馆藏号BSLW /2003 /S855 /9 从我国接种过传染性支气管炎疫苗的幼鸡群的腺胃组织中分离得到三个传染性支气管炎毒株Q1、J2和T3，并对它们的部分生物学特性进行研究。

Epidemiology investigates indicated that acute cerebrovascular disease was the third disease cutthroat except cardiovascular disease and cancer, threatenning health of mankind seriously, especially intracerebral hemorrhage which with high mortality and maimed rate, coming on suddenly and riskily, was the biggest bane to human.

流行病学调查表明，脑血管病是除心血管病和癌症之外的第三大疾病杀手，严重威胁着人类的健康，其中尤以&脑出血&发病急剧、凶险，致残率及死亡率均高，对人类危害极大。

At present, many developed countries have gained substantial insight about the ecology, epidemiology and pathogenicity of Campylobacters. However, suck kind of work was seldomly carried out in China.

目前许多发达国家已建立起完善的监测和控制体系，并对该菌进行了较为深入的研究，而我国在这方面的研究相对滞后，调查报道较少。

Researchs in epidemiology showed seropositive for HSV were increasing obviously in most countries in the past 20 years.

流行病学研究显示：过去 20 年中，世界大多数国家 HSV 的血清患病率显著增加。

Therefore,the article is written as a summary about the etiology,epidemiology,pathological change,prevention and therapy of infectious serositis of duck.

本文从鸭传染性浆膜炎的病原、流行病学、病理变化以及预防和治疗等几个方面对该病作了简要的综述。

"It's unethical to experiment with these chemicals on people," says Shanna Swan, director of the Center for Reproductie Epidemiology at New York's Uniersity of Rochester.

&在人们身上进行这些化合物的实验是不道德的，&纽约大学法医学生育流行病学中心主任Shanna Swan说。

Professor of Obstetrics and Director of the Center for Reproductive Epidemiology at the University of Rochester Medical Center and lead author of the study, Dr Shanna H Swan said that the study's main contribution is that it raises an issue rather than identifies a cause.

作为Rochester医学中心的生殖流行病学中心主任，产科学教授，该研究的负责人Shanna H Swan医生说，该研究的主要贡献在于发现一个问题而不是确定一个原因。

He Toh study, conducted by researchers atthe Slone Epidemiology Center and the pharmacoepidemiology programat the Harvard School of Public Health and the Department ofPediatrics at the University of California, San Diego, was notdirectly funded by any organization or company.

oh的研究是由斯隆流行病学中心和哈佛公共健康学院和加利福尼亚大学儿科学部药物流行病学项目的研究人员进行的。San Diego并没有直接接受任何组织或公司的资金支持。

"Pregnant women may require more fruits and vegetables than usual because of the extra demands on the body," senior author Martha M. Werler, MPH, ScD, from the Slone Epidemiology Center at Boston University in Massachusetts, said in a news release.

马萨诸塞州波士顿大学斯隆流行病学研究中心的资深作家，公卫硕士玛莎·M Werler在一个新闻发布会上说：&由于身体的额外需要孕期妇女可能需要比平时更多的蔬菜水果。&

Forestry elements(tree species, standage,afforestation density etc), ecological elements (hillside direction, hillside seat, soil type etc) and meteorological elements (temperature,humidity, precipition etc) were the leading factors by the correlation analysis of qualitative and quantitative factors of epidemiology of spore dispersing and disease state observation.

通过对病菌孢子飞散规律和病情调查的定性因子和定量因子进行相关的分析结果，已明确了林分因子(树种、林龄、造林密度等)、生态因子和气象因子交互作用是樟子松枯梢病流行的主导因素。

The big eared hedgehog, the little owl, the sand gecko, the three-toed jerboa, and every show needs a villain - saw-scale - the viper!

大耳刺猬，小猫头鹰，沙壁虎，三趾跳鼠，每场戏都需要反派角色：蝰蛇。

Plasmodiophora brassicae ; resting spores ; density gradient centrifugation of sucrose ; ultrasonic disruption

根肿；休眠孢子；蔗糖密度梯度离心；超声波破碎