This study has shown the concentration of diatomas and heavy metal ions (Cu , Pb,Zn and Cd) in the sediment samples from Le An River,a main tributary to Po Yang Lake. 38 diatom species in 19 genera were microscopicall...This study has shown the concentration of diatomas and heavy metal ions (Cu , Pb,Zn and Cd) in the sediment samples from Le An River,a main tributary to Po Yang Lake. 38 diatom species in 19 genera were microscopically found on the sample slides prepared from the sediment of 4 ecologically characterized sites along this river.The occurrence of diatoms might be associated with the local water quality which was determined from the concentration of organic halogen-sub-stances and heavy metal ions,particular Cu and Pb contained in the seditnent samples.展开更多
Through exploring and studying the rebuilding and protection planning of the Temple of YANG Shengan and Guihu Lake,the design principles and experience of rebuilding and protecting gardens of antiquity were summarized...Through exploring and studying the rebuilding and protection planning of the Temple of YANG Shengan and Guihu Lake,the design principles and experience of rebuilding and protecting gardens of antiquity were summarized,the effective approaches to integrate the rebuilding design and the protection of relics were explored and the suggestions for the protection and development of antiquity gardens were put forward.展开更多
文摘This study has shown the concentration of diatomas and heavy metal ions (Cu , Pb,Zn and Cd) in the sediment samples from Le An River,a main tributary to Po Yang Lake. 38 diatom species in 19 genera were microscopically found on the sample slides prepared from the sediment of 4 ecologically characterized sites along this river.The occurrence of diatoms might be associated with the local water quality which was determined from the concentration of organic halogen-sub-stances and heavy metal ions,particular Cu and Pb contained in the seditnent samples.
文摘Through exploring and studying the rebuilding and protection planning of the Temple of YANG Shengan and Guihu Lake,the design principles and experience of rebuilding and protecting gardens of antiquity were summarized,the effective approaches to integrate the rebuilding design and the protection of relics were explored and the suggestions for the protection and development of antiquity gardens were put forward.
