The effects of polyethene glycol 20000 and sodium dodecyl sulfate on the dispersion of magnesium zinc ferrite slurry prepared by ball milling dispersion were studied.

选用聚乙二醇20000和十二烷基硫酸钠两种分散剂，通过球磨分散法制备镁锌铁氧体浆料。

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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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A process is disclosed in which coarse silica, calcium oxides and magnesium oxides are treated in a ball mill together with grinding AIDS and cold-strength binders.

公开了一种方法，其中在球磨中与磨料和冷粘着粘结剂一起处理粗二氧化硅、氧化钙和氧化镁源。

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Experiments measured the forces and acceleration of a regulation, adult-size-5 ball propelled repeatedly at a magnesium dummy-like head at 18 meters per second, which is considered the average speed a ball is kicked by nonprofessional players.

WSJ: Soccer 'Header' Impact Likened to Hard Punch