| 三次样条函数在测定河流弥散系数中的应用 |
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| 引用本文： | 秦建侯,李隆弟,邓勃. 三次样条函数在测定河流弥散系数中的应用[J]. 环境科学, 1989, 10(6): 66-71 |
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| 作者姓名： | 秦建侯 李隆弟 邓勃 |
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| 作者单位： | 清华大学化学系(秦建侯，李隆弟)，清华大学化学系(邓勃) |
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| 摘 要： | 为获得洋河张家口—宣化段水体的弥散系数,用罗丹明B进行了示踪试验,简述了三次样条函数插值方法,并用该法处理了示踪试验数据,用一维扩散模型计算的纵向弥散系数为5.53m~2/S.最后用二维模型进行检验,表明上述处理方法和系数是可靠的。
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| 关 键 词： | 样条函数 河流 弥散系数 污染物 |
| 收稿时间： | 1988-11-07 |
Application of Triple Spline Functions to Determination of Dispersion Coefficient in the River |
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| Qin Jianhou,Li Longdi and Deng Bo. Application of Triple Spline Functions to Determination of Dispersion Coefficient in the River[J]. Chinese Journal of Environmental Science, 1989, 10(6): 66-71 |
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| Authors: | Qin Jianhou Li Longdi Deng Bo |
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| Affiliation: | Department of Chemistry, Tsinghua University, Beijing;Department of Chemistry, Tsinghua University, Beijing;Department of Chemistry, Tsinghua University, Beijing |
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| Abstract: | In order to obtain dispersion coefficient in the Zhangjiakou-Xuanhua section of the Yanghe River, the trace experiment has been done by using rhodamine B. An interpolation method of triple-spline function is descnibed briefly and used to handle the expenimental data of dilution and diffusion in the Yanghe River. The dispersion coefficient calculated in accordance with one-dimension diffusion model is 5.53 m2/s and then has verified with two dimension diffusion model. The result sh-ows that the method mentioned above is correct and reliable. |
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