...The state of the air can be considered as (1) thermal conditions such as temperature and humidity, (2) airflow conditions such as wind speed and direction, and (3) the concentration of dust, carbon dioxide, carbon monoxide, nitrogen oxides, bacteria, and other harmful substances, the concentration of oxygen, or the cleanliness of the air, such as odor. These are collectively called the air environment. The purpose of ventilation is to improve such an air environment so that it is suitable for human activities and the preservation of buildings and goods. *Some of the terms mentioned in relation to "air environment" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…空気の状態としては,(1)温度,湿度などの熱的状態,(2)風速,風向などの気流の状態,(3)粉塵,炭酸ガス,一酸化炭素,窒素酸化物,細菌,その他の有害物質の濃度や酸素の濃度,あるいは臭気などの空気清浄度が考えられる。これらを総称して空気環境という。このような空気環境を人間の活動や建物・物品の保存に適するように改善することが換気の目的である。… ※「空気環境」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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