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Copyright of Industrial Water Treatment is the property of CNOOC Tianjin Chemical Research & Design Institute and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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Copyright of Coal Science & Technology (0253-2336) is the property of Coal Science & Technology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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河道的自组织结构具有典型的重分形，传统的长度法难以揭示河道形态变化的局域特征，本文提出了连续迭移长度法，将河道沿着伸展方向依据其特征尺度划分为一系列节点，若干个节点组成一个区间，按区间计算分维数值，并使区间按节点连续重迭偏移，取得全河道分形维数的离散点值.试验表明，用连续迭移长度法获得的长江河道分维数的变化特征与中国陆域的构造演化、地理、地质要素有着密切的关系.

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