102年普考環防-微粒 - 普考
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By Hamiltion
at 2013-07-17T10:58
at 2013-07-17T10:58
Table of Contents
【出處】102年普考環防-微粒
【題目】空氣品質標準中對微粒之數量常以PM10 及PM2.5來規範,請說明
此兩項目各代表何物質?為何會採用10 及2.5 這兩數字?另直徑
更小之含矽粉塵及香煙塵微粒會造成人體那些傷害?(20 分)
想法:
主要是想要請教其中一個子題:『為何會採用10 及2.5 兩數字?』
我亂猜想,是因為大氣中的微粒收集後,大氣微粒粒徑會有3個Peak嗎?
取這3個peak的值嗎 ?
還請各位先進不吝提示與指導,謝謝您 ^^
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普考
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