本文以镁粉、铝粉、镁铝合金粉以及镁铝混合粉为研究对象，用1.3升哈特曼管对它们的爆炸特性进行了实验研究。

The characteristics of dust explosion of magnesium dust, aluminum dust and their alloy and their mixture are studied experimentally by using a 1.3 liter Hartemanm duct in this paper.

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在改进的1.3 L 哈特曼管中进行铝粉、 镁粉、铝镁混合粉及合金粉尘泄爆特性的实验研究。

The explosion venting process of metal dusts is studied in 1.3 L Hartmann tube.

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