りゅうけい
粒径
1. grain diameter; particle diameter
2. Particle size (grain size)Particle size, also called grain size, refers to the diameter of individual grains of sediment, or the lithified particles in clastic rocks. The term may also be applied to other granular materials. This is different from the crystallite size, which is the size of a single crystal inside the particles or grains. A single grain can be composed of several crystals. Granular material can range from very small colloidal particles, through clay, silt, sand, and gravel, to boulders.
Read “Particle size (grain size)” on English Wikipedia
Read “粒径” on Japanese Wikipedia
Read “Particle size (grain size)” on DBpedia
Read “Particle size (grain size)” on English Wikipedia
Read “粒径” on Japanese Wikipedia
Read “Particle size (grain size)” on DBpedia
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