流行病学的

Methods The stratified random sampling rule and the standard grading system of blindness set by WHO were adopted in the study, and 11 327 subjects were enrolled (a sampling fraction of 2.01%) in the whole county.

采用分层随机抽样原则，以世界卫生组织盲目分级为标准，对全县按2.01%抽样比例抽取11327例进行盲和低视力的流行病学调查。

The diagnosis of scrub typhus is mainly based on the clinical data, laboratory tests and epidemic investigation.

恙虫病诊断主要依靠临床、实验室及流行病学调查，影像诊断为非特异性的，但在判定并发症和辅助诊断上必不可少。

Anxiety and depression were assessed with the Self-rating Anxiety Scale and the Center for Epidemiologic Studies Depression Scale, respectively.

采用自评焦虑量表和美国CDC编制的流行病学调查用抑郁量表分别评价焦虑和抑郁情况。

Background: The prevalence of sensitization in patients with asthma and rhinitis in mainland China remains unclear.

背景：中国大陆哮喘和鼻炎患者变应原的流行病学尚不清楚。

Basing on twice surveys of HIV-1 molecular epidemiology, HIV CRF01_AE strain has been introduced into inland neighboring provinces from southeastern coast areas and southwester border area, the prevalence of HIV CRF01_AE strains are increasing.

据全国两次分子流行病学调查结果表明HIV CRF01_AE重组型株正在从南部及沿海省市向周围省市扩散，CRF01_AE重组型在全国所占比例也有所增加，在福建省HIV CRF01_AE重组型为主要的流行株。

Methods Molecular epidemiological investigation of 249 men from different groups(training and non-training)was carried out by using flow cytometer to detect the integrity and damage of in situ DNA of sperm nucleus, and sperm chromatin structure assay was performed.

应用流式细胞仪快速测量精子核原位DNA损伤和完整性，分析精子染色质结构，对两组不同作业环境(过度训练组与非训练组)的 2 4 9名男性官兵进行分子流行病学调查。

In order to understand an epidemic situation of spotted fever in Hainan province, serosurvey and kinds of rodent and their tick-carriing investigation were carried out by using CF in Dafeng、Yangjiang and Xinjin counties in Hannan province.

目的：了解海南省斑点热流行状况。方法：用补体结合试验，在琼中县大丰、阳江及新进3个农场的健康人群、家畜及啮齿动物中进行斑点热血清流行病学及啮齿动物种群和带蜱情况调查。

Professor Andrew Steptoe, UCL Department of Epidemiology and Public Health, says: Drinking tea has traditionally been associated with stress relief, and many people believe that drinking tea helps them relax after facing the stresses of everyday life.

郑教授的脚步，化工部流行病学和公共卫生，说：饮茶历来与纾缓压力，许多人认为喝茶有助于放松后，面临着重于日常生活。

Today on May 4th, 2008, Prof. LIAO Susu were invited to teach students of PHEI, as the first class of it. The topic of this class was methods of studying epidemic.

2008年5月4日星期日，Supercourse China 委员会邀请到了廖苏苏老师给我们讲授了PHEI系列课程的第一堂课：流行病学基本方法。

Objective To understand the trend of SARS-serum IgG titre changes in patients with SARS and SARS subclinical infection in normal population in Guangzhou.

目的 了解严重呼吸道综合征患者血清中特异性IgG抗体滴度变化规律和健康人群感染SARS冠状病毒的状况，并为临床诊断和血清流行病学调查提供可靠依据。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。