Of the 100 elements available to us, about three-quarters can be classified as metals. And, about half of these are of at least some industrial or commercial use.
在我们可获得的100种元素中，约四分之三可归入金属，而这其中约二分之一至少具有某种工业或商业用途。
The diffusive process of rare earth metals and alloys as well as of ferrosilicon alloys in commercial molten iron is investigated.
本文研究了稀土金属及其合金、硅铁合金在工业铁水中的扩散过程。
Inorganic chemistry, organic chemistry, Physical chemistry, Analytical chemistry, Basic Biochemistry, Commercial Chemical Processes, Principles of Plating Metals and Paint Manufacture.
无机化学、有机化学、物理化学、分析化学、生物化学基础、精细化工工艺学、电镀工艺学、涂装工艺学等。
Inorganic chemistry, organic chemistry, Physical chemistry, Analytical chemistry, Basic Biochemistry, Commercial Chemical Processes, Principles of Plating Metals and Paint Manufacture.
无机化学、有机化学、物理化学、分析化学、生物化学基础、精细化工工艺学、电镀工艺学、涂装工艺学等。
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