protective e survey 放射性危险评定
Methods Intensive training of the occupational protective knowledge was provided for 80 persons working in blood dialysis room, and a questionnaire survey was made before and after the training.
方法对80例血透室工作人员进行职业防护知识强化培训,在培训前后各进行一次问卷调查。
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。
According to the survey materials, this article analyses the reason of soil erosion and water loss, and put a general protective measures.
根据调查资料,分析总结了水利工程建设中水土流失的原因,并提出了一般性防护措施。
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