air exposure rate 中文意思是什麼
air exposure rate
解釋
空氣照射率-
In accordance with advice given by the director of health, the effects of benzene on health depend on the level one is exposed to and the duration of exposure. brief exposure ( five to ten minutes ) to very high levels of benzene in air ( 10, 000 to 20, 000 ppm ) can result in death. lower levels ( 700 to 3, 000 ppm ) can cause drowsiness, dizziness, rapid heart rate, headaches, tremors, confusion and unconsciousness
當人處于高水平苯成份(百萬份之一萬至百萬份之二萬)的地方歷時5至10分鐘可致死亡;而處于含有低水平苯成份(百萬份之七百至百萬份之三千)的地方可使人昏昏欲睡、暈眩、心跳加速、頭痛、顫抖、思想混亂和失去知覺。
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