Methods The harmful levels of occupational hazards and the effect of protective measures were evaluated by field occupational health survey, engineering analysis, detection and test.
方法采用现场职业卫生调查、工程分析、检测检验等方法，评价其职业病危害程度和防护措施效果。
Objectives: To evaluate associations of asthma prevalence with occupational exposures in a cross-sectional survey of health care professionals.
目的：通过对卫生保健专业人才进行有代表性的调查，评估哮喘流行与职业暴露之间的关系。
In its survey of occupational health workers, GAO also found more than half said they felt pressure from company officials to downplay serious injuries or illnesses.
对于在职人员的调查，GAO还有近一半的人说，他们被迫于公司的压力不能得到应得的医疗和伤病保险。
Methods Field survey, occupational health monitoring and occupational health examinations were carried out to analyze and evaluate contact degree of occupational hazards comprehensively.
方法采用现场调查、职业卫生检测及职业健康检查相结合的方法，进行定性定量和职业病危害因素接触水平综合分析评价。
Objective To understand the characteristics of the occupational health nursing program through a survey on the current status of occupational health nursing in the occupational health institute.
通过调查该所职业卫生护理工作的现状，了解职业卫生护理工作的特点。
Methods the comprehensive evaluation was done by using on-site occupational hazard survey, detection of occupational hazards and occupational health check in the workplace.
方法采用职业卫生学调查、工作场所职业病危害因素现场监测和职业健康检查进行综合评价。
The results of a field survey on occupational health problems in a nickel mine, including the environmental monitoring of workplaces were presented.
报告了某镍矿劳动卫生问题现场调查和环境监测的结果。
The results of a field survey on occupational health problems in a nickel mine, including the environmental monitoring of workplaces were presented.
报告了某镍矿劳动卫生问题现场调查和环境监测的结果。
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