The standard test method for biomarker in sediment and crude oil by gc - ms 气相色谱-质谱法测定沉积物和原油中生物标志物
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Gyromagnetic materials intended for application at microwave frequencies - measuring methods for properties iec 60556 : 2006 ; german version en 60556 : 2006 气相色谱-质谱法测定沉积物和原油中生物标志物