通过对蓝宝石的钨金属化，实现了蓝宝石与铌合金的高温封接。
Sapphire and Nb alloy have been successfully brazed by use of tungsten-metallization technique.
介绍了应用DV - 4光电光谱仪，仅用一种测定条件，测定高合金钢中碳、硫、磷、锰、硅、铬、镍、钼、钒、钨、钛、铌、铝元素的含量的方法。
The method of measuring c, s, p, Mn, Si, Cr, Ni, Mo, V, W, ti, Nb, Al element content by DV-4 photoelectric spectroscope on one condition is introduced.
公司产品包括钼、钽、铌、钨、锆及其合金的丝、管、带、箔等稀有金属深加工材料。
Our products include wires, tubes, ribbons and foils of rare metals such as Mo, ta, Nb, w, Zr and their alloys.
公司产品包括钼、钽、铌、钨、锆及其合金的丝、管、带、箔等稀有金属深加工材料。
Our products include wires, tubes, ribbons and foils of rare metals such as Mo, ta, Nb, w, Zr and their alloys.
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