Plasma transferred arc produces the induced electromagnetic field that makes liquid metal convect in molten pool in the surface metallurgical course.

在冶金过程中等离子束产生感生磁场,使熔池内液态金属产生对流运动。

The article expounds the sample decomposition and the method of the sample preparation by applying the method of atomical assimilation spectrum, and lists some specific analytical of metallurgy.

本对应用原子吸收光谱法分析冶金样品过程中的试样分解和分析样品的法进行了较详细的阐述,并列举了几种基体合金的具体分析法。