지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
This study was to investigate concentration characteristics of atmospheric PCBs in soil sample and pine needle at rural area. Profiles of PCB congener detected in pine needle and soil sample have a difference that low molecular PCBs mainly existed in pine needle, whereas high molecular PCBs were mainly existed in soil sample because of their different vapor pressure and octanol-air partitioning coefficient( K<SUB>OA</SUB>) of each congeners.
Correlation coefficients(r) of PCB congeners simultaneously detected in soil and pine needle were significant (r＞0.71, p＜0.01), which showed that PCB congeners patterns of atmosphere could be estimated in using pine needle and soil sample indirectly. The contributions(%) of higher molecular PCBs(＞penta-CB) to total PCBs in soil sample were higher than those of pine needle and the contribution of lower molecular PCBs(＜tetra-CB) in soil sample were lower than those of pine needle, which showed that dry gaseous deposition was a principal pathway of PCBs accumulation in pine needle.
Correlation coefficients(r) of PCB congeners simultaneously detected in soil and pine needle were significant (r＞0.71, p＜0.01), which showed that PCB congeners patterns of atmosphere could be estimated in using pine needle and soil sample indirectly. The contributions(%) of higher molecular PCBs(＞penta-CB) to total PCBs in soil sample were higher than those of pine needle and the contribution of lower molecular PCBs(＜tetra-CB) in soil sample were lower than those of pine needle, which showed that dry gaseous deposition was a principal pathway of PCBs accumulation in pine needle.
목차
Abstract
Ⅰ. 서론
Ⅱ. 실험방법
Ⅲ. 결과 및 고찰
Ⅳ. 결론
사사
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UCI(KEPA) : I410-ECN-0101-2009-517-017185214