The residue situation of PCB congeners in eggs of nightheron breeding in Wuxi area of Jiangsu and Gongqing City of Jiangxi was analyzed.
分析了江苏无锡鼋头渚和江西共青城夜鹭卵中多氯联苯同系物的残留状况。
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The Li men jostle to sell me supper, all of it live: white-breasted waterhens, little egrets, a black-crowned nightheron and a spot-billed duck, the only duck where male and female look alike.
The results indicated that HCH isomers DDT and its metabolites could be detected in various environments and preys of nightheron although the organochlorined chemicals were banned for almost20years.