1.Measurements of particulate nitrate and gaseous nitric acid in ambient air were studied by denuder difference and filter packs.
研究了用扩散管差分法和多种叠层滤膜法测量大气中颗粒物硝酸盐和气体硝酸。
2.Measurements of paniculate ammonium and gaseous ammonia in ambient air were studied by denuder difference and filter packs.
本文用扩散管差分法和多种叠层滤膜法测量大气中颗粒物铵盐和气态氨。
3.The application of denuder to mercury analysis in atmosphere
扩散管在大气汞分析中的应用