Ambient air quality - standard method for measurement of benzene concentrations - part 1 : pumped sampling followed by thermal desorption and gas chromatography 环境空气质量.测量苯浓度的标准方法.第1部分:热解吸附作用气相色谱法后的泵送取样
Ambient air quality - standard method for measurement of benzene concentrations - part 5 : diffusive sampling followed by solvent desorption and gas chromatography 环境空气质量.测量苯浓度的标准方法.第5部分:溶剂吸附和气体色谱法后的扩散取样
Ambient air quality - standard method for measurement of benzene concentrations - part 1 : pumped sampling followed by thermal desorption and gas chromatography ; german version en 14662 - 1 : 2005 环境空气质量.苯浓度测量的标准方法.第1部分:热解吸
Ambient air quality - standard method for measurement of benzene concentrations - part 2 : pumped sampling followed by solvent desorption and gas chromatography ; german version en 14662 - 2 : 2005 环境空气质量.苯浓度测量的标准方法.第2部分:溶剂解
Ambient air quality - standard method for measurement of benzene concentrations - part 4 : diffusive sampling followed by thermal desorption and gas chromatography ; german version en 14662 - 4 : 2005 环境空气质量.苯浓度测量的标准方法.第4部分:热解吸
Ambient air quality - standard method for measurement of benzene concentrations - part 5 : diffusive sampling followed by solvent desorption and gas chromatography ; german version en 14662 - 5 : 2005 环境空气质量.苯浓度测量的标准方法.第5部分:溶剂解
Ambient air quality - diffusive samplers for the determination of concentrations of gases and vapours - requirements and test methods - part 1 : general requirements 环境空气质量.气体和蒸气浓度测定用的扩散取样机.要求和试验方法.第1部分:一般要求
Ambient air quality - diffusive samplers for the determination of concentrations of gases and vapours ; requirements and test methods - part 1 : general requirements ; german version en 13528 - 1 : 2002 环境空气质量.测定气体和蒸气浓度的扩散取样机.要求
According to the air quality report of hundreds of chinese cities , pm10 is the major infectant which affect chinese cities " air quality 通过对全国数百个城市的环境空气质量报告进行统计，可吸入颗粒物( pm _ ( 10 ) )是影响我国城市空气质量的首要污染物。
Ambient air quality - standard method for the measurement of benzene concentrations - part 4 : diffusive sampling followed by thermal desorption and gas chromatography 环境空气质量.测量苯浓度的标准方法.第4部分:热解吸附作用和气相色谱法后的扩散取样
