本文讨论了化学品危险性评价所需的必备资料，简述了化学品在环境中的行为特征及对人类健康的影响。
This paper discusses the basic information which the risk assessment of chemicals requires, and describes the behaviours of chemicals in the environment and their effects to human health.
在揭示中国能源消费的环境影响的基础上，利用因子分析方法对1990 ~ 2005年间中国环境质量与公众健康的总体水平进行了评价，并对环境质量与公众健康的作用进行了实证研究。
Whole levels of the environment quality and public health in China from 1990 to 2005 were evaluated by factor analysis and the relationship between the both sides was studied empirically.
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