ambient air level

基本解釋

Analyze the main index, which include API, primary pollutant, air quality level, in 86 cities of china from Urban Ambient Air Quality Daily Report of 2006.
收集了2006年《重點城市空氣質量日報》中中國86個重點城市空氣質量主要分析指標——空氣污染指數（A PI）、首要污染物、空氣質量級別，并對數據進行統(tǒng)計分析。
The results demonstrate that 1-hydroxypyrene in human urine is correlated at a high level of significance with the contents of pyrene and benzo(a)pyrene in ambient air.
數理統(tǒng)計結果表明，尿中1-羥基芘與個體采樣器中的芘或苯并（a）芘有顯著的正相關。
The lead concentration data of the air and traffic ambient in Tianjin from 1994 to 1996 was analyzed, and the level trend and pollution sources of lead pollution were summarized.
本文統(tǒng)計分析了1994～1996年天津市環(huán)境空氣及交通環(huán)境中鉛的濃度值，分析了天津市環(huán)境空氣及交通環(huán)境中鉛污染的程度、變化趨勢、污染來源。