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城乡道路两侧重金属污染特征研究进展(终稿)
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  • 城乡道路两侧重金属污染特征研究进展(终稿) (1)摘要····································································Ⅰ
    1 绪论··································································1
    1.1 道路两侧土壤重金属污染··············································1
    1.1.1 城市道路两侧土壤重金属污染国内外研究进展······················1
    1.2城市街道灰尘重金属污染···············································2
    1.2.1 “城市街道灰尘”的定义········································2
    1.2.2城市街道灰尘重金属污染国内外研究进展···························3
    1.3城市道路两侧土壤和灰尘中重金属污染的危害和影响·······················4
    1.3.1重金属污染对人体的危害·········································4
    1.3.2重金属污染对植物的危害·········································4
    1.4研究内容及技术路线···················································5
    1.4.1研究意义·······················································5
    1.4.2技术路线·······················································5
    2 研究方法······························································6
    2.1 重金属污染评价方法··················································6
    2.1.1 Muller地积累指数法············································6
    2.1.2 潜在生态危害指数法············································6
    2.2城市不同功能区地表灰尘重金属分布差异·································7
    2.3不同功能区地表灰尘重金属来源及影响因素分析···························7
    3 结论与展望····························································8
    3.1结论·································································8
    3.2展望·································································8
    参考文献································································9








    1绪论
    1.1道路两侧土壤重金属污染
    21世纪以来,城市化进程加快,城市化进程促进了工业化,增强了人类改造自然的能力,提高了对物质和能量的利用效率,节约了空间和时间,给人类带来了巨大的效益。但又带来住房困难、交通拥挤、环境污染、影响...
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