It is discovered that mischmetal can heighten ignition point of ZM 5 alloy obviously.
实验发现,混合稀土能明显提高ZM5镁合金的起燃温度.
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The content of coal and ignition point are eligible, therefore, it has practical use.
发火点 、 含炭量均能满足导火索的要求,作为黑火药导火索使用各项性能良好, 具有实用价值.
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