The relationship between basicity of graphitiferous slag and microstructurcs of both slag and weld metal arc investigated for the same electrode with cast iron.
本文通过计算石墨型熔渣碱度,研究了

质铸铁焊条熔渣
碱度与熔渣微观

焊缝组织
关系。
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然历史博物馆 By analyzing the morphology, composition, microstructure, and formation of the material, which originated from mineral melting and rapid cooling caused by meteorite impacts on the lunar surface, researchers found there were multiple ways the material was formed.
通过分析嫦娥五号月壤样品中玻璃物质的形态、成分、微观
和形成机制。

员发现,玻璃材料的形成在月球表面有多种过渡方式,这些玻璃材料来源于频繁的陨石撞击造成的矿物熔化和快速冷却。
2019年8月合集