住宅の内外における大気浮遊粉塵の挙動(B. 生活科学)

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タイトル別名
  • 住宅の内外における大気浮遊粉塵の挙動
  • ジュウタク ノ ナイガイ ニ オケル タイキ フユウ フンジン ノ キョドウ
  • Behaviour of Airborne Dust inside and outside a Dwelling-house (B. LIVING SCIENCE)

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説明

A filtrating function of a dwelling-house for airborne dust has been studied. The present experiment was carried out using two dwelling-houses of different structure and environmental conditions. Elemental concentrations and particle size distributions of airborne dust were measured simultaneously outside and inside a dwelling-house. It appears that filtrating effect is remarkable for coarse particles whose main components are terrestrial ones, however, is hardly observed for fine particles which contain many toxic elements of artificial origin. By using a micro-computer system, wind direction and wind speed were also measured automatically. The concentrations of airborne dust inside a dwelling-house were affected by the speed of wind.

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