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- Wang, Wei, et al.
(författare)
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“宽进严出”政策对我国少数民族人才培养的价值
- 2014
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Ingår i: 中国民族教育发展报告[The Development Report of Chinese Ethnic Minority Education]. - 9787107289651 ; , s. 371-375
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Bokkapitel (refereegranskat)
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- Yu, Jun-Chao, et al.
(författare)
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Levels and distribution of short chain chlorinated paraffins in seafood from Dalian, China
- 2014
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Ingår i: Huan jing ke xue= Huanjing kexue / [bian ji, Zhongguo ke xue yuan huan jing ke xue wei yuan hui "Huan jing ke xue" bian ji wei yuan hui.]. - Beijing : Ke xue zhu ban she. - 0250-3301. ; 35:5, s. 1955-1961
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Tidskriftsartikel (refereegranskat)abstract
- Seafood samples were collected from Dalian, China to study the accumulation and distribution characteristics of short chain chlorinated paraffins (SCCPs) by GC/ECNI-LRMS. Sum of SCCPs (dry weight) were in the range of 77-8 250 ng.g-1, with the lowest value in Scapharca subcrenata and highest concentration in Neptunea cumingi. The concentrations of sum of SCCPs (dry weight) in fish, shrimp/crab and shellfish were in the ranges of 100-3 510, 394-5 440, and 77-8 250 ng.g-1 , respectively. Overall, the C10 and C11 homologues were the most predominant carbon groups of SCCPs in seafood from this area,and a relatively higher proportion of C12-13 was observed in seafood with higher concentrations of sum of SCCPs . With regard to chlorine content, Cl1,, CI8 and CI6 were the major groups. Significant correlations were found among concentrations of different SCCP homologues (except C1, vs. Cl10 ) , which indicated that they might share the same sources and/or have similar accumulation, migration and transformation processes.
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