极性对自保护药芯焊丝电弧焊光谱特征的影响
张恒铭1, 石玗1,*, 李春凯1,2,3, 顾玉芬1, 朱明1

The Effect of Electrode Polarity on Arc Plasma Spectral Characteristics of Self-Shielded Flux Cored Arc Welding
ZHANG Heng-ming1, SHI Yu1,*, LI Chun-kai1,2,3, GU Yu-fen1, ZHU Ming1
直流正接下的电子密度(第二组)