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

在表面冶中等离子束产生感生磁场,使熔池内液态属产生对流运动。

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冶中的试分解和分的制备方法进行了较详细的阐述,并列举了几种基体合的具体分方法。