نتایج جستجو برای: dual photon energy absorptiometry dpa
تعداد نتایج: 861485 فیلتر نتایج به سال:
[This corrects the article DOI: 10.1371/journal.pone.0162164.].
1 International Research Center for Renewable Energy, State Key Laboratory of Multiphase Flow in Power Engineering, Xi’an Jiaotong University, Xi’an, Shaanxi 710049, China 2 Joint Center for Artificial Photosynthesis, California Institute of Technology, Pasadena, CA 91125, USA 3 Centre for Clean Environment and Energy, Environmental Futures Centre, Griffith University, Gold Coast, QLD 4215, Aus...
Motivated by the large effect of turbulent drag reduction by minute concentrations of polymers, we study the effects of a weakly space-dependent viscosity on the stability of hydrodynamic flows. In a recent paper [Phys. Rev. Lett. 87, 174501, (2001)], we exposed the crucial role played by a localized region where the energy of fluctuations is produced by interactions with the mean flow (the "cr...
The quantized Dirac field is known, by a result of Fewster and Verch, to satisfy a Quantum Weak Energy Inequality (QWEI) on its averaged energy density along time-like curves in arbitrary four-dimensional globally hyperbolic spacetimes. However, this result does not provide an explicit form for the bound. By adapting ideas from the earlier work, we give a simplified derivation of a QWEI for the...
In this work, total smooth air-water interfacial areas were measured for a series of nine natural and model sandy porous media as a function of water saturation using synchrotron X-ray microtomography. Interfacial areas decreased linearly with water satuation, while the estimated maximum interfacial area compared favorably to the media geometric surface areas. Importantly, relative interfacial ...
We would like to thank the DEXA 2002 Workshop General Chair (Professor Roland Wagner) and the organizing committee of the 13th International Conference on Database and Expert Systems Applications (DEXA 2002) for their support and their cooperation. Many thanks go to Ms. Gabriela Wagner for providing a great deal of assistance. We are very indebted to all program committee members and external r...
Faced with the increasingly serious energy and environmental crisis in the world nowadays, the development of renewable energy has attracted increasingly more attention of all countries. Solar energy as an abundant and cheap energy is one of the most promising renewable energy sources. While high-performance solar cells have been well developed in the last couple of decades, the high module cos...
This paper investigates the nutritional regulation of glycogen concentration in skeletal muscle of sheep and cattle following exercise, with particular emphasis on a comparison between these species. Four experiments are summarized, indicating a clear relationship between metabolizable energy (ME) intake and rate of muscle glycogen repletion following exercise. Sensitivity to ME intake appeared...
power from solar energy using ture low-cost, high-efficiency, and scalable nano eas, such as, renewable energy -wires (1D) or thin films (2D) of LED based solar cell are
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