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《国际泥沙研究》2007,22(4):327-328
No. 1, 2007 Prediction of the Grain Size of Suspended Sediment: Implications for Calculating Suspended Sediment Concentrations Using Single Frequency Acoustic Backscatter R. A. KUHNLE, D. G. WREN, and J. P. CHAMBERS (pp. 1-15) Numerical Modeling of Heavy Metal Pollutant Transport-Transformation in Fluvial Rivers:A Review S. L. HUANG, Z. H. WAN, and P. SMITH (pp. 16-26) Sediment Transport Capacity-An Improved Bagnold Formula Shu-Qing YANG, Sung-Cheol KOH, In-So…  相似文献   

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《应用地球物理》2008,5(4):353-354
No.1 Technical Papers Borehole Geophysics Evaluation of volcanic reservoirs with the“QAPM mineral model” using a genetic algorithm Pan Baozhi, Xue Linfu, Huang Buzhou, Yan Guijing, and Zhang Lihua (1) Geophysical modeling Physical mechanism of seismic a…  相似文献   

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Abstract

The model equations describing two-dimensional thermohaline convection of a Boussinesq fluid in a rotating horizontal layer are known to support multiple instabilities, depending on the values of certain control parameters (Arneodo et al., 1985). Most of these multiple instabilities have already been studied for double or triple diffusive convection, where behaviours ranging from simple steady to irregular motions have been found. Here we consider the one remaining bifurcation mentioned by Arneodo et al. (1985): the interaction between a steady and an oscillatory convection roll when the linear spectrum for a single wavenumber comprises one zero and one pair of purely imaginary eigenvalues. The method of centre manifolds and normal forms is used to derive evolution equations for the amplitudes of the convection rolls close to bifurcation and the behaviours associated with the equations is discussed.  相似文献   

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<正>The author,Prof Subhasish Dey,presents an up-to-date and comprehensive consideration of hydrodynamic principles to analyze sediment transport phenomenon.The author is well known in the field of applied hydrodynamics and sediment transport,with wide experience in theoretical and applied research.The book is intended for postgraduate and research students,who already have a decent knowledge and understanding of fluid mechanics,as well as for model developers and users of theoretical models in the fluvial hydrodynamics field.The author's intention is to introduce the readers to the mechanics and physics of sediment transport by turbulent flow,  相似文献   

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