WC晶粒度的分散性与原始W颗粒度的均匀性有关，对于粗W粉，其颗粒完整性对WC的晶粒度有影响；
The scatter of WC grain fineness is referred to the fineness homogeneity of raw material W particle and the fineness of grain is influenced by the surface perfectness for thick W pattiel- es.
相同污染浓度条件下，粗颗粒沉积物中重金属具有较高的初期释放量和释放强度；平衡释放浓度随粒度减小略有增大。
Under the condition of same polluted concentration, heavy metals in coarse sediment are released with greater amount and higher intensity dUring initial stage.
研究表明，含煤岩系岩性随着碎屑颗粒粒度由粗到细，即由砂岩到泥岩变化，碎屑岩的强度与刚度均迅速衰减。
It is shown that the strength and stiffness of rocks are rapidly reduced with decrement of the grain diameter, namely from sandstone to mudstone.
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