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Trans. Nonferrous Met. Soc. China 25(2015) 2009-2017 Growth behavior of CVD diamond in microchannels of Cu template Xue-zhang LIU1, Xiong-wei ZHANG2, Zhi-ming YU2 1. School of Materials... deposited in cylindrical microchannels of Cu template by hot-filament chemical vapor deposition. Micro-Raman spectroscopy and scanning electron microscopy (SEM) were used to characterize diamond film......
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J. Cent. South Univ. (2019) 26: 3488-3501 DOI: https://doi.org/10.1007/s11771-019-4268-3 Muscovite 40Ar-39Ar age and its geological significance in Zhuxi W(Cu) deposit, northeastern Jiangxi OUYANG... Nature 2019 Abstract: The Zhuxi W(Cu) skarn deposit, the world’s largest tungsten deposit is newly discovered in Jingdezhen city, northeastern Jiangxi province, China. It mainly occurs near the contact......
文章编号: 1004-0609(2006)06-0951-07 贵金属Cu, Ag, Au的电子结构和物理性质 陶辉锦, 谢佑卿, 彭红建, 余方新, 李晓波, 聂耀庄, 刘锐锋 (中南大学 材料科学与工程学院, 长沙 410083) 摘 要: 由纯金属单原子理论(OA)确定了面心立方结构(FCC)贵金属Cu, Ag, Au的电子结构依次为[Ar](3dn)5.58(3dc)4.21(4sc)0.23(4sf)0.98, [Kr](4dn)4.87(4dc)4.56(5sc)0.66(5sf)0.91,[Xe](5dn)4.20(5dc)4.90 (6sc)1.57(6sf)0.33, 并确定了Cu, Ag, Au的密排六方结构(HCP)和体心立方结构(BCC)两种初态特征晶体和初态液体的电子结构. 根据自然态的电子结构定性解释了熔点, 拉伸强度, 维氏硬度, 体弹性......
ICP-MS法测定铟中砷,铝,铜,镉,镍,铅,铊,锡和锌冯先进1(1.北京市北京矿冶研究总院 测试研究所)摘 要:研究铟中微量砷,铝,铜,镉,镍,铅,铊,锡,锌的ICP-MS法同时测定的方法.选择仪器的最佳参数和最佳测定条件,采用标准加入法和在线加入钪,铑,铼混合内标补偿法消除基体铟对测定元素的干扰,直接测定其中的杂质元素.测定结果准确,可靠,铟中砷,铝,铜,镉,镍,铅,铊,锡,锌的测定下限均≤0.0001%,加标回收率97%~111%.方法的建立为控制铟中杂质元素提供了检测依据.关键词:分析化学; 铟; 等离子体质谱法; 标准加入法......
[4]. In addition, the toxicity of Cu(II) accumulates rapidly in B. subtilis cells at high concentrations, which may reduce the biological activity of BICB and affect the multiplication of B. subtilis...果表明, pH对铜离子的吸附有较大的影响.此外,固定化枯草芽孢杆菌吸附剂比空白吸附剂具有更强的吸附性能.整个吸附过程符合朗缪尔吸附模型(R2=0.994),最大吸附量为100.70 mg/L.动力学模型拟合结果表明,实验符合准二级动力学模型,线性相关指数大于0.999.吸附剂能在0.1 mol/L NaOH溶液中被成功解吸. 关键词:生物吸附;枯草芽孢杆菌;固定化枯草芽孢杆菌;Cu(II);吸附平......
Low-temperature sintering method for NiCuZn ferrite and effect of Mn addition on electromagnetic properties JU Dong-ying(巨东英)1, 2, BIAN Pei(边 培)2 1. Research Center of High Technology, Anshan... body with 0.5% (mass fraction) boric acid was obtained, which has the bending strength of 340 MPa. The effect of various Mn addition on electromagnetic properties were studied. Key words: ferrite......
层超导材料YBa2Cu3O7-x(YBCO)多层结构中重要的组成部分也呈现出新的科研成果,基底的研究在金属种类选择上和再结晶理论的研究方面都取得明显的进展.总结目前几种重要的金属及其合金基底,从材料的制备手段,织构形成的特点和性能,存在的优缺点以及未来的发展趋势等方面介绍了涂层导体中金属基带的研究现状. 关键词:金属基带;Ag合金;Ni合金;Cu合金;织构;再结晶 中图分类号:TM 26... words: metal substrate; Ag alloy; Ni alloy; Cu alloy; texture; recrystallization  ......
Article ID: 1003-6326(2005)02-0353-05 Induced effects of Cu underlayer on (111) orientation of Fe50Mn50 thin films WANG Lei(王 蕾), WANG Feng-ping(王凤平), LIU Huan-ping(刘还平), WU Ping(吴 平), QIU Hong(邱 宏), PAN Li-qing(潘礼庆) (Department of Physics, University of Science and Technology Beijing, Beijing 100083, China) Abstract: Effects of Cu underlayer on the structure of Fe50Mn50......
that the addition of 0.3% Cu leads to the formation of Q″ and Q′ precipitates, but has no obvious effect on the formation of the atomic clusters in Al-Mg-Si system alloys, which may be attributed to the low... images and selected area diffraction patterns with B=[001]Al obtained from alloys The addition of Cu has a large effect on the artificial age-hardening kinetics and a small but noticeable effect......