A worldwide survey of polychlorinated dibenzo - p - dioxins , dibenzofurans , and related contaminants in butter 二苯并呋喃以及相关污染物的世界性调查
Polychlorinated dibenzo - p - dioxins and dibenzofurans ( pcdd / fs ) in surface sediments at 7 stations , 1 sediment core and 2 mussels from qingdao coastal sea were analyzed using hrgg - hrms . the highest level was an order of magnitude higher than at other stations . the horizontal distribution of the total 2 , 3 , 7 , 8 - substituted pcdd / fs in the sediments formed an east - west pattern 用高分辨率气相色谱一高分辨率质谱方法( hrgc一hrms )对表层沉积物( 7个) 、岩心沉积物( l个)和贻贝( 2个)中的多氯代二苯并二恶英/吠喃( pcdd / fs )进行了探讨。