目的：研究砷污染地区居民砷暴露水平的分布特征。
Objectives: To investigate the levels of arsenic exposure of residents in the arsenic polluted areas near an arsenic mine.
一旦暴露水平已设置，可以采取步骤，减少接触污染的空气。
Once exposure levels have been set, steps can be taken to reduce exposure to air pollution.
适度饮酒的人通常有足够的时间来恢复细胞水平的酒精暴露水平。
Typically, moderate alcohol consumption allows plenty of time for people to recover from that level of alcohol exposure at the cellular level.
短暂或偶然暴露水平较低的结晶矽尘表示，不会产生临床显着的肺部疾病。
Brief or casual exposure to low levels of crystalline silica dust are said to not produce clinically significant lung disease.
现代研究指明孩子们会在很低的暴露水平上受到影响。并且没有安全的暴露水平。
Modern research has shown that children are affected at very low exposure levels and that there is no safe level of exposure.
目的了解我国农村欠发达地区空气污染的状况及农村人群对空气污染的实际暴露水平。
Objective To evaluate the levels and characters of indoor and outdoor air pollution in rural areas of China.
本文对在美国所进行的不吸烟者环境香烟烟雾(ETS)暴露水平的大样本研究作了综述。
Some of the lessons learned from a large study of personal exposure of non smokers to environmental tobacco smoke (ETS) in the United Stated are reviewed.
研究手臂振动暴露水平与健康危害程度的关系，为铁矿振动危险度评价提供流行病学资料；
Study the correlation of hand-transmitted vibration and it's hazards, provide epidemiology evidence for risk evaluation of vibration;
吸烟可能因为减少雌激素暴露水平而减少患病危险，应用口服避孕药增加了孕激素水平从而减少患病。
Smoking seems to decrease estrogen exposure, thereby decreasing the cancer risk, and oral contraceptive use increases progestin levels, thus providing protection.
即使是很舒服的在听收音机，当处于这项研究中评估的状况下驾驶时，收音机的声音似乎也会对噪音的暴露水平有非常大的影响。
Even for comfortable listening, the radio volume levels required while driving under the conditions assessed in this study are likely to add significantly to the noise exposure level.
肱动脉血流调控舒张功能(FMD)是上臂血管功能的一个测量指标，会随着研究对象二手烟暴露水平的升高而降低。
Brachial artery flow-mediated dilation (FMD), a measurement of blood vessel function in the upper arm, decreased as tobacco smoke exposure levels increased among participants.
目的：大气中SO2污染会对人体健康带来潜在的危害，因此有必要了解广州市区SO 2污染与人群暴露水平。
Objective: As there is a potential health impact of SO 2 pollution on human body, it is important to understand the characteristics of population exposure to SO 2 in the urban area of Guangzhou.
旨在探讨锰的累积暴露水平与神经行为改变之间的剂量效应关系。对139名锰铁冶炼工人和93名电焊工人进行了研究。
The aim of this study was to assess the dose effect relationship between cumulative levels in workers exposed to manganese and changes of their neurobehavioral function.
旨在探讨锰的累积暴露水平与神经行为改变之间的剂量效应关系。对139名锰铁冶炼工人和93名电焊工人进行了研究。
The aim of this study was to assess the dose effect relationship between cumulative levels in workers exposed to manganese and changes of their neurobehavioral function.
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