土壤和沉积物半挥发性有机物的测定 气相色谱一质谱法
Soi l and sed i ment -Determinat ion of semivol ati le organ ic compoundsGas chromatogr aphy/ Mlass spectrometry
Soi l and sed i ment -Determinat ion of semivol ati le organ ic compoundsGas chromatogr aphy/ Mlass spectrometry