为改善45钢制件表面耐腐蚀性，采用CO2激光在45钢表面合金化铬钼硼以获得高耐蚀性的合金复合涂层。
To improve the corrosion resistance of 45 steel pieces, Chromium, molybdenum and boron were alloyed on 45 steel by CO2 laser to obtain excellent corrosion resistance composite coating.
采用等离子发射光谱法测定六硼化镧中铁、钙、镁、铬、锰、铜，各元素测定范围：0。
It USES the plasma emission spectrometry to determine Fe, Ca, Mg, Cr, Mn and Cu in LaB6 in the scope of the elements: 0.
采用等离子发射光谱法测定六硼化镧中铁、钙、镁、铬、锰、铜，各元素测定范围：0。
It USES the plasma emission spectrometry to determine Fe, Ca, Mg, Cr, Mn and Cu in LaB6 in the scope of the elements: 0.
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