There is a general decrease in grain size upward .

粒度一般是向上递减的。

Higher heating rate results in smaller grain size.

高的升温速率可获得较小的晶粒。

Grain size, Atterberg's limits, unity weight of solids.

粒度，阿太堡的限度，固体的统一重量。

The final product has the advantage of a very fine grain size.

最后成品的尺寸只有精细的颗粒般大小。

Grain size distribution affects significantly field tip resistance.

粒度分布对锥尖阻力有显著的影响。