| 北京地区不同类型土壤弥散试验 |
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| 引用本文： | 张志红, 孙保卫, 饶为国. 北京地区不同类型土壤弥散试验[J]. 北京工业大学学报, 2010, 36(10): 1376-1380. |
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| 作者姓名： | 张志红 孙保卫 饶为国 |
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| 作者单位： | 1.1. 北京工业大学 城市与工程安全减灾省部共建教育部重点实验室, 北京 100124 |
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| 基金项目： | 国家自然科学基金资助项目，北京市教育委员会科研计划资助项目，广西自然科学基金资助项目，北京工业大学青年基金资助项目 |
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| 摘 要： | 以北京地区不同类型的土壤——黏土、重粉质黏土、粉质黏土、黏质粉土和砂土为研究对象,通过室内土柱水动力弥散试验,得到了不同类型土壤的弥散系数.穿透曲线测定结果表明,氨氮和有机物在黏土、重粉质黏土、粉质黏土和黏质粉土中运移时穿透曲线大致分为2个阶段,在砂土中的穿透曲线呈逐渐上升并最终达到稳定的趋势.
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| 关 键 词： | 水动力弥散 运移 穿透曲线 氨氮 有机物 |
| 收稿时间： | 2008-12-10 |
Experiment on Dispersion of Different Kinds of Soils in Beijing Area |
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| ZHANG Zhi-hong, SUN Bao-wei, RAO Wei-guo. Experiment on Dispersion of Different Kinds of Soils in Beijing Area[J]. Journal of Beijing University of Technology, 2010, 36(10): 1376-1380. |
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| Authors: | ZHANG Zhi-hong SUN Bao-wei RAO Wei-guo |
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| Affiliation: | 1.1. The Key Laboratory of Urban Security and Disaster Engineering, Ministry of Education, Beijing University of Technology, Beijing 100124, China |
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| Abstract: | The research objects are different kinds of soils including clay,heave silting clay,silting clay,clay silt and sand clay in Beijing area. The dispersion coefficients of different kinds of soils are obtained through hydrodynamic dispersion experiment indoors. The soil column measuring dispersion coefficient is also experimented on breakthrough curve of ammonia nitrogen and organic matter. The results show that the breakthrough curve of ammonia nitrogen and organic matter in clay,heave silting clay and siltin... |
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| Keywords: | hydrodynamic dispersion transport breakthrough curve ammonia nitrogen organic matter |
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