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2018年11月7日のブックマーク (10件)
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nabinno 2018/11/07
- airvisual
- particualtes
- public-health
- physiology
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How To Measure Particulate Matter With a Raspberry Pi
Too Long; Didn't ReadWe regularly measure particulate matter in the air at our school. Particularly between February and May the values here in South-East Asia are very high, because it hardly rains during this time, it is very dry and hot and many meadows and fields are burned down. All this has a negative effect on the quality of the air. Today I would like to show you how to measure particulate
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空気質指数 - Wikipedia
空気質指数の時間値の年間データの例（指標:CAI、2015年、韓国・ソウル） 空気質指数（くうきしつしすう、英: Air Quality Index (AQI)）または大気質指数とは、粒子状物質(PM2.5)や二酸化硫黄などの主要大気汚染物質の汚染の程度を示す指標である。環境を担当する行政機関がモニタリングを行い算出し、市民に対して観測値や予測値を発表、値が大きく健康への影響が懸念されるときは注意喚起を併せて行う。 アメリカ合衆国環境保護庁 (EPA)が1999年に提示したものが最初[1]。アメリカでは大気浄化法の1970年改正後、公衆衛生への影響緩和のため、粒子状物質、オゾン、二酸化硫黄、二酸化窒素、一酸化炭素、鉛の6つの汚染物質に大気環境基準を設けてモニタリングが行われてきた[1][2]が、周知のため指数化に至った。 EPAの空気質指数は0から500の値をとり、数値が大きくなるほど汚染
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化学物質過敏症 - Wikipedia
化学物質過敏症（かがくぶっしつかびんしょう）または多種化学物質過敏状態（英語: MCS：Multiple Chemical Sensitivity）とは、通常の人であれば症状を出さないような微量な環境中の化学物質に反応して、種々の多彩な症状を訴える病態で、自覚症状が基本となる自律神経系の不定愁訴や精神神経症状をはじめとする多彩で非特異的な症状を訴える[1][2][3][4][5][6]。国際化学物質安全性計画（WHO/IPCS）は、症状の原因が環境中の特定の化学物質とは断定できず、因果関係が証明できないことから「化学物質」という言葉は使わず、本態性環境不耐症（IEI：Idiopathic Environmental Intolerance）という言葉を使っている[1][7]。 症状は、動悸、胸痛、発汗、息切れ、疲労、紅潮、めまいなど多彩であるが、臓器の機能障害など身体徴候が見られないものと
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- 2018年11月8日
- 2018年11月7日
- 2018年11月6日
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