نتایج جستجو برای: water well

تعداد نتایج: 2000177  

1998
J. Carlos Egues John W. Wilkins

Digital-magnetic heterostructures ~DMH’s!, II-VI quantum wells with ‘‘planes’’ of Mn, exhibit strongly spin-dependent physics. We investigate the magnetic-field (B) dependence of exchange-induced energy splittings and spin-flip scattering in DMH’s. We find that Mn clustering is relevant to explain the magnitude and the concentration dependence of recently observed splittings. Our calculated ele...

Journal: :American Journal of Epidemiology 1996

Journal: :THE JOURNAL OF THE JAPANESE ASSOCIATION OF GROUNDWATER HYDROLOGY 1974

Journal: :Environmental Health Perspectives 2001

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم انسانی 1389

rivers and runoff have always been of interest to human beings. in order to make use of the proper water resources, human societies, industrial and agricultural centers, etc. have usually been established near rivers. as the time goes on, these societies developed, and therefore water resources were extracted more and more. consequently, conditions of water quality of the rivers experienced rap...

2007
Sebastian Noelle Yulong Xing Chi-Wang Shu

A characteristic feature of hyperbolic systems of balance laws is the existence of non-trivial equilibrium solutions, where the effects of convective fluxes and source terms cancel each other. Recently a number of so-called well-balanced schemes were developed which satisfy a discrete analogue of this balance and are therefore able to maintain an equilibrium state. In most cases, applications t...

Journal: :Proceedings of the International Association of Hydrological Sciences 2015

Journal: :International Journal of Engineering Technology and Natural Sciences 2020

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