نتایج جستجو برای: size distributions

تعداد نتایج: 674328  

Journal: :Proceedings of the National Academy of Sciences 1999

Journal: :Journal of the Meteorological Society of Japan. Ser. II 2004

Journal: :Aerosol Science and Technology 1986

Journal: :Optica Acta: International Journal of Optics 1983

Journal: :Papers in Meteorology and Geophysics 1956

Journal: :Multiple sclerosis 2008
I J van den Elskamp J Lembcke V Dattola K Beckmann C Pohl W Hong R Sandbrink K Wagner D L Knol B Uitdehaag F Barkhof

BACKGROUND MRI is often used as primary outcome measure in phase II clinical trials in multiple sclerosis (MS). Since persistent T1 hypointense lesions are a surrogate parameter for axonal damage and demyelination, they may serve as a marker for monitoring the efficacy of neuroprotective drugs. At present, a power analysis using black hole (BH) evolution as primary outcome measure has not been ...

In this paper, the effects of two different Particle Size Distributions (PSD) on packingbehavior of ideal rigid spherical nanoparticles using a novel packing model based on parallelalgorithms have been reported. A mersenne twister algorithm was used to generate pseudorandomnumbers for the particles initial coordinates. Also, for this purpose a nanosized tetragonal confinedcontainer with a squar...

2011
Michael Griesser Qi Ma Simone Webber Katharine Bowgen David J. T. Sumpter

One of the most striking aspects of animal groups is their remarkable variation in size, both within and between species. While a number of mechanistic models have been proposed to explain this variation, there are few comprehensive datasets against which these models have been tested. In particular, we only vaguely understand how environmental factors and behavioral activities affect group-siz...

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