dust concentration

基本解釋

• [環(huán)境] 粉塵濃度；塵末濃度

英漢例句

雙語例句

• This paper presents a method of measuring the particle mean size and dust concentration by small angle near forward light scattering optics and the extinction theory.
  本文綜合前向小角光散理論及消光原理，提出一種測量粉塵平均粒徑及粉塵濃度的光學(xué)方法。
• Objective To monitor coal mine dust concentration and composition, study the incidence of coal worker's pneumoconiosis, and provide a scientific basis for pneumoconiosis control.
  目的監(jiān)測煤礦井下粉塵濃度及組成成分，研究其與煤工塵肺的發(fā)病關(guān)系，為塵肺病防制提供科學(xué)依據(jù)。
• Therefore, further measures for individual prevention and reduction of mine dust concentration in the air were considered to be necessary for reducing the incidence of lung cancer.
  為此，加強(qiáng)防塵措施，降低環(huán)境礦塵濃度，可能對減少該礦肺癌發(fā)病具有重要意義。

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詞組短語

短語

• dust loading concentration 含塵濃度
• smoke dust discharge concentration 煙塵排放濃度
• initial dust exhausting concentration 初始排塵濃度
• dust discharge concentration 煙塵排放濃度
• dust allowable concentration 粉塵容許濃度

• dust concentration更多詞組

專業(yè)釋義

能源科學(xué)技術(shù)

• 粉塵濃度

  The foam dust control technology was applied in Zaozhuang Coal Mining Group Xinyuan 12,211 roadway head, the results showed that ,foam dust removal efficiency were 2.11 times and 1.72 times higher than water spray respectively, the new technology reduced dust concentration effectively, with great significance in dust control.
  將該技術(shù)在棗莊礦業(yè)集團(tuán)新安煤礦新源12211軌順掘進(jìn)工作面進(jìn)行了應(yīng)用,現(xiàn)場測試結(jié)果表明泡沫對全塵和呼吸性粉塵的降塵效率分別是水霧除塵的2.11倍和1.72倍,有效地降低了井下采掘工作面的粉塵濃度,取得顯著的防塵效果。