Pores shrinkage and growth in polycrystalline hollow nanoparticles and nanotubes
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DOI: 10.1016/j.scriptamat.2020.01.029
Abstract: Abstract We propose a model of internal pore shrinkage in hollow polycrystalline nanoparticles controlled by surface and grain boundary diffusion. The latter significantly accelerates the pore shrinkage as compared to single crystalline nanoparticles. Moreover, further… read more here.
Keywords: polycrystalline hollow; hollow nanoparticles; shrinkage growth; pores shrinkage ... See more keywords
Identification of Shrinkage and Growth Patterns of a Shrinking City in China Based on Nighttime Light Data: A Case Study of Yichun
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DOI: 10.3390/su11246906
Abstract: Urban shrinkage has become a topic of major concern to scholars of geography and urban science. However, the methods of identifying urban shrinkage and growth have mostly focused on traditional statistical methods, and studies based… read more here.
Keywords: growth patterns; china; shrinkage growth; shrinkage ... See more keywords