N, N, N"-triethylenephosphoramide (TEPA) was used to be as flame retardant for textile for a long time because of its h......

目的建立大气PM_(2.5)中20种指示性多氯联苯的加速溶剂萃取-气相色谱三重四极杆质谱法。方法样品经加速溶剂萃取、减压浓缩、佛罗......