In addition, with the increasing of the milling speed and the ratio of ball to powder, the speed of the amorphous forming is fast.

另外，在球磨时间固定的情况下，球磨比例越大、球磨速度越高，粉末所获得的能量越高，形成非晶的速度越快。

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XRD analysis revealed that MgO was not formed during ball milling of the magnesium alloy powder under the protection of ethanol.

将镁合金切屑在无水乙醇的保护下进行球磨，XRD分析显示镁合金粉末经过球磨没有被氧化。

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Powder through the discharge grate discharge ball mill grinding cement, complete.

粉状物通过卸料箅板排出，完成水泥球磨机粉磨作业。

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The ball may disintegrate into a powder, or break in half, or hit up against its earlier self at just such an angle so as to enter the wormhole in just such a way that even more peculiar events occur.

NEWYORKER: The Region of Unlikeness

But normal service was soon resumed as Glasgow counter-attacked from turnover ball and Thom Evans raced away down the left wing for his second try, brushing off a powder-puff tackle from Jon Davies.

BBC: Scarlets 21-38 Glasgow