grain size composition

基本解释

Physical and chemical parameters and grain size composition of mortar shall meet requirements specified in table 28.
耐火砌泥的物理及化学参数以及粒度分布应该满足表28中指定的要求。
This paper proved that grain size composition of pluvial fan conglomerate has self similar fractal structure by applying fractal theory.
应用分形理论证实了洪积扇砾岩的粒度组成具有自相似的分形结构。
The occurrence of the lower limit of bed material size is attributed to the grain size composition of incoming sediment and the fining mechanism.
研究认为河床质调整极限是由来沙组成及河床质细化机制决定的。