The effects of double coating on the pores of lime titania type stainless steel electrode are studied with high speed cinecamera, oscillograph, optical microscope, SEM with EDS, etc.

采用平板、速摄影、波形分析、光学金相、扫描电镜能谱分析等测试方法，研究了双层药皮钛钙型不锈钢条气孔的影响。

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,研究了钢芯铁条熔渣的碱度与熔渣微观结构和缝组织的关系。