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| 1 | TIME EVOLUTION OF LOCAL SCOUR AT OBSTACLES PROTRUDING FROM CHANNEL SIDE WALLS显示文摘This paper deals with the effects of average flow velocity, obstacle length and sediment size on time evolution of scour depth near thin, vertical obstacles, protruding at right angle from movable bed channel side-walls. These effects are studied in the framework of the 'generalised equations' of Ettema (1980), Franzetti et al. (1982) and Whitehouse (1997). The results show that i) coefficients included in the first two equations depend on flow velocity as well as on obstacle length; ii) those coefficients are independent of bed material size; iii) the coefficients involved in the equation of Whitehouse (1997) are independent of flow velocity, obstacle length and bed material size. A new method for the evaluation of Whitehouse’s time scale was obtained and a new method for the characterisation of equilibrium time was established in the framework of the equation of Franzetti et al. (1982). | J. S. dos SANTOS and A. H. CARDOSO 1 Civil Engineer M. Sc. in Hydraulics and Water Resources, Project Engineer, ExxonMobil Production Company, U.S. East, P.O. Box 61707, New Orleans, Louisiana 70161-1707, U.S.A. E-mail: ahc@civil.ist.utl.pt 2 Associate | 2001 | International Journal of Sediment Research2001，16，4： | 3 |
| 2 | Spectrum Characteristics and Transfer Function of the Hydrograph of the Deep Aqueous System显示文摘The fluctuation of most of the hydrograph in the deep aqueous system records the fluid pulsation in lithosphere and variation of the earth’s crust. Many observations have verified that groundwater is an ideal information carrier of the crust. In this paper, the series of input (precipitation, air pressure, Earth tide etc.) and output (water level, artesian flow) of the deep aqueous system are studied by using the spectrum analysis and system theory. The application concepts of transfer function and the spectral structure of the hydrograph enrich the knowledge of the deep aqueous system. Two typical spectral structures of the hydrograph of the deep aqueous system are obtained by comparing with many water-bearing systems of the Jizhong depression. One is from well Ma-17 and the other is from the well Xinze-5. Finally, the physical models of forming the spectrum of the hydrograph are constructed on the basis of the spectrum research on the deep aqueous system. | Chen Baoren, Liu Shuyun, Earth Sciences Dept., Nanjing University, Nanjing, Jiangsu, China Jin Peikang Geological Dept., Tulane University, New Orleans, LA 70118, U.S.A. and Dong Shouyu Hebei Province Seismological Bureau, Shijiazhuang, Hebei, China | 1993 | Acta Geologica Sinica(English Edition)1993，67，4： | 1 |
| 3 | Does counseling by clinicians improve physical activity? A summary of the evidence for the US preventive services task force 显示文摘 | Karen BE Tracy Orlean Cynthia D M | 2002 | Ann of Intern Med2002，137，： | 1 |
| 4 | 3 Biogenesis of Yeast Wall and Surface Components显示文摘 | Orlean P | 1997 | Cold Spring Harbor Monograph Archive1997，21，： | 1 |
| 5 | The enigma of China's urban population显示文摘 | Orleans L A Burnham L | 1984 | Asian Survey1984，24，7： | 1 |
| 6 | Glycoprotein biosynthesis in yeast显示文摘 | Herscovics A Orlean P | 1993 | FASEB J1993，7，： | 1 |
| 7 | Improved technique of heart transplantation in rats 显示文摘 | Ono K Lidsey ES Orleans N | 1969 | Thorac Cardiovasc Surg1969，57，2： | 1 |
| 8 | Does the chronic care model serve also as a template for improving prevention显示文摘 | Glasgow R Orleans CT and Wagner EH | 2001 | Milbank Quarterly2001，79，4： | 1 |
| 9 | Reaching the healthy people goals for reducing childhood obesity:closing the energy gap显示文摘 | Wang YC Orleans CT Gortmaker SL | | 0，，05： | 1 |
| 10 | Enhancing Teacher Competence through Online Training显示文摘 | ORLEANS A V | 2010 | The Asia-Pacific Education Researcher2010，9，3： | 1 |
| 11 | Evaluating primary care behavioral counseling interventions: an evidence-based approach 显示文摘 | Whitlock EP Orleans CT Pender N | 2002 | Am J Prey Med2002，22，4： | 1 |
| 12 | Concomitant antagonism of endothelial and vascular smooth muscle cell ETB receptors for endothelin induces hypertension in the hamster显示文摘 | Honoré JC D' Orleans J | 2005 | Am J Physiol Heart Circ Physiol2005，289，： | 1 |
| 13 | Growth regulatory properties of endothelins显示文摘 | Battistini B Chailler P D'orleans Just P | 1993 | Peptides1993，14，： | 1 |
| 14 | Urban Population Growth and Urbanization in China since 1949显示文摘 | LEO A ORLEANS LY BURNHAM | 1984 | Asian Survey1984，，24： | 1 |
| 15 | Cardiovascular diseases:new insights from knockout mice显示文摘 | Honore JC Carrier E | 2003 | Curr Opin Pharmacol2003，3，： | 1 |
| 16 | Bayesian interactions and collective dynamics of opinion:herd behavior and mimetic contagion显示文摘 | Orlean A | | 0，，02： | 1 |
| 17 | The Urban Land Question in Africa: The Case of Urban Land Conflicts in the City of Lusaka, 100 Years after its Founding显示文摘 | Horman C Orleans M | 2015 | Habitat International2015，48，8： | 1 |
| 18 | Improved technique of heart transplantation in rats 显示文摘 | Ono K Lindsey ES Orleans N | 1969 | Thorac Cardiovasc Surg1969，57，2： | 1 |
| 19 | Bayesian Interactions and Collective Dynamics of Opinion:Herd Behavior and Mimetic Contagion显示文摘 | Orlean A | 1995 | Journal of Economic Behavior and Organization1995，28，2： | 1 |
| 20 | Mitotic exit kinase Dbf2 directly phosphorylates chitin synthase Chs2 to regulate cytokinesis in budding yeast 显示文摘 | Oh Y Chang K J Orlean P Wloka C Deshaies R Bi E | 2012 | Mol Biol Cell2012，23，： | 1 |
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