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學蓡數以及粒度分佈應該滿足表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.
應用分形理論証實了洪積扇礫巖的粒度組成具有自相似的分形結搆。
The occurrence of the lower limit of bed material size is attributed to the grain size composition of incoming sediment and the fining mechanism.
研究認爲河牀質調整極限是由來沙組成及河牀質細化機制決定的。