4.The molybdenum alloy reinforced by lanthana particles with the sizes of nanometer and micron was prepared by powder metallurgy.
采用粉末冶金法制备了微米尺寸和准纳米尺寸的氧化镧粒子增强钼合金。
5.Expound magnesium metallurgy with ferrosilicon process and calcium metallurgy with aluminothermic process by contracting technological conditions.
通过工艺条件对比分析,阐明了硅法炼镁与铝法炼钙两者工艺过程、设备条件基本相同。
6.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.