concentration of floating 中文意思是什麼

concentration of floating 解釋
飄塵濃度
  • concentration : n. 1. 集中。2. 【化學】提濃,蒸濃,濃縮;濃度;稠密度;【礦物】汰選,選礦,富化。3. 集中注意,專心。
  • of : OF =Old French 古法語。
  • floating : adj. 1. 漂浮的,浮動的,流動性的。2. 【醫學】游離的。3. 移動的;不定的。4. (塗工的)第二道(漆等)。5. (船貨)未到埠的,在海上的,在運輸中的。
  1. The combinations of the various aquatic plants showed good maintainability in water garden. the concentrations of tp, tn were kept lower effectively in the experimental pool ii ( planted with emersed aquatic plants ) and pool en ( floating and floating leaf aquatic plants and submerged aquatics ) the concentration of tp and tn was relatively higher in pool i which only planted with potamogeton crispus

    用挺水植物和浮葉、漂浮植物組成的試驗池及用挺水植物、浮葉和漂浮植物、沉水植物組成的試驗池比由菹草組成的單一層次結構的試驗池更能有效地維持水體tp 、 tn含量,其景觀也更為豐富。
  2. The reasons of the high rate of adult measles : never been vaccinate ; lower antibody concentration in the person vaccinated ; high incidence of the floating population

    成人麻疹發病率高與未進行麻疹疫苗接種、麻疹疫苗接種時間太長而使抗體滴度降低、流動人群發病率高有關。
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