Effects of different particle sizes of bamboo flour on mechanical properties of the composites were studied.
研究了不同粒径竹粉对复合材料力学性能的影响。
Different simple and reliable methods have been proposed for preparing powder specimen with different particle sizes.
对于各种不同粒度的粉末试样，推荐了不同的既简便又可靠的制备方法。
Chemical compositions varied significantly in different particle sizes, with trace elements obviously enriched in the least size.
不同粒径颗粒的化学分析结果表明，微量元素在细颗粒上有较高的富集。
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