"铌"是个多义词,它可以指铌(金属元素),铌(网络新义),铌(汉字)。
...晶粒,提高淬透性和热强性能,在高温时保持足够的强度和抗蠕变能力,提高机械性能;还可以抑制合金钢由于火而引起的脆性。铌(Nb):能细化晶粒和降低钢的过热敏感性及回火脆性,提高强度、抗大气腐蚀及高温下抗氢、氮、氨腐蚀能力,改善焊接性能,防止晶间腐蚀...
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Chapter 5: Introduce the method by 19F-NMR for analyzing the concentration of fluorine in tantalum and niobium production waste liquid.
第五章:介绍了利用19F-NMR分析生产钽、铌矿的废液中总氟含量。
参考来源 - ~(19)FThe steel with low carbon content and middle niobium content possess the highest creep rupture strength.
低碳中铌试验钢持久强度最高。
参考来源 - 成分和工艺对S30432钢性能的影响及强化机理研究·2,447,543篇论文数据,部分数据来源于NoteExpress
这套系统内含一个超导铌通路(两端配置了强烈反射微波的“镜子”)。
This consists of a superconducting niobium conducting path that is configured with strongly reflective "mirrors" for microwaves at both ends.
这是一些细小的超导材料,由一个刻有间隔的氧化铝晶片上的铌薄膜构成。
These are tiny pieces of a superconducting material consisting of a niobium film on an aluminium oxide wafer with gaps etched into it.
据知情人士称,巴西矿冶公司的铌供应量占全球的约80%,其最大客户都位于亚洲。
CBMM, the Brazilian company, produces about 80 per cent of the world's niobium supply and its biggest customers are all in Asia, according to a person close to the deal.
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