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The average of BHC in the surface sediment was 11.15×10-9 ( dry ), DDT 33.46×10-9 ( dry ).
沉积物BHC为 11?15×10 - 9 ( 干 ), DDT为33?46×10 - 9 ( 干 ).
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Distribution of BHC isomers is α & gt; � � & gt; � � & gt; δ.
六六六异构体的分布为α & gt; β & gt; γ & gt; δ.
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But the removal method study of BHC is comparatively scarce.
但对BHC在 环境中去除方法的研究却较少,而且主要集中在生物降解的研究上.
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Among BHC , the ratios for α-BHC , � �-BHC and � �-BHC were 19.4% , 72.8% and 7.1%, respectively.
α — BHC 和β — BHC分别占BHC的 19.3%和72.8%,而γ—BHC仅占7.1%.
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异构化的主要产物为α、δ -BHC, 它们的异构化率在0.04%~0.17%之间.
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