The Effect of Grain Size on Dynamic Properties of Pure Aluminum;

晶粒尺寸大小对裂纹扩展速率也有影响。

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The effect of grain size on high frequency dielectric properties of PbTiO_3 based ceramics prepared by sol-gel process was studied.

首次报道了溶胶-凝胶法制备钛酸铅基铁电陶瓷的晶粒尺寸对其高频介电性能的影响。

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The effect of grain size of the bauxite on the sintering performance was studied by using a high iron trihydrate bauxite as raw material.

以某高铁三水铝石型铝土矿为原料，研究了铝土矿粒度对烧结矿产质量指标的影响。

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In other words, some machine-based tutoring is approaching the effect size of real human tutoring and there is less variation than one might expect as the grain size of tutoring becomes finer.

FORBES: How Machine-Based Tutoring Could Disrupt Human Tutors