1、
The most active research has been applied to aluminium, iron, copper based alloys and superalloy.
其中以铝基合金 、 铁基合金、高温合金及铜合金方面的研究最为活跃.
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2、
Anshan Iron and Steel Association is based on purchasing a long contract terms enforced.
鞍钢采购长协是按合同条款执行的.
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3、
Iron and nickel carbonyl compounds are poisons to copper-based methanol synthesis catalysts.
羰基铁和羰基镍是铜基合成甲醇催化剂的毒物.
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4、
Iron and nickel carbonyls can deactivate the copper-based catalyst for methanol synthesis.
羰基铁、羰基镍是导致铜基合成甲醇催化剂中毒的物质.
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5、
Based on thermodynamics principle, the feasibility for melting iron borings in cupola was ana lysed.
从热力学角度分析了在冲天炉内熔炼铸铁切屑的可行性.
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