The characteristics of wulfenite and latest development of wulfenite extractive metallurgy were reviewed.

介绍了彩钼铅矿的特点及其浸出工艺的研究现状。

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,阐明了硅热法铝热法钙两者工艺过程、设备条件基本相同。

It is related to metallurgy,thermology,and the theory of plasticity and developed on the basis of them.

它涉及金属、传热和塑性力理论，并以此为基础，交叉发展而成。

It utilises advanced metallurgy techniques, superior construction and better trained crews to outrange and outshoot nearly all preceding bombards.

得益于先进的冶金技术和火炮设计，以及训有的炮兵部队，长管炮无论射程还是威力都几乎可压制任何先前火炮。

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。

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.

本文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制备方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方法。