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澳大利亚阿伯福伊尔公司的小型矿山胡汉华,吴子振摘 要:<正> 在世界锡价暴跌后,阿伯福伊尔锡业公司着手回收贱金属与黄金.该公司在塔斯马尼亚就有奎河及赫利尔两座经营良好的小型贱金属矿山.奎河矿的成就奎河锌铅银矿原作锌矿开采,自1981年投产以来,年产量由初时仅9万吨上升到1987年31万吨,生产成本低.奎河虽是一座小矿,但对其连续透镜状矿体也采用了斜坡道(4米高×4.5米宽)和竖井(238米深)开拓.关键词:......
were utilized to describe the surface morphology [10–13]. Even now, the accurate description of the 3D surface is a difficult project. Meanwhile, the artificial joints made up of rock-like materials... J. Cent. South Univ. (2018) 25: 653-661 DOI: https://doi.org/10.1007/s11771-018-3768-x Degradation of joint surface morphology, shear behavior and closure characteristics during cyclic loading FAN......
">In this work, a novel flower-like cobalt-based metal organic frameworks(MOFs) self-assembled by Co2+ and nicotinic acid have been designed and synthesized. After a simple annealing treatment, Co3O4...Metal-organic frameworks derived flower-like Co3O4/nitrogen doped graphite carbon hybrid for high-performance sodium-ion batteriesHaifeng Xu1,2,Guang Zhu1,2,Baoming Hao11. School of Mechanical......
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; 文献标识码: A Mechanism of tin whisker morphology HAO Hu, DONG Wen-xing, SHI Yao-wu, XIA Zhi-dong, LEI Yong-ping (School of Materials Science and Engineering, Beijing University...: lead-free solder; rare earth; tin whisker; morphology 在电子产品的封装互连中,元件引脚一般要镀......
EFFECT OF MELT OVER-HEATING AND ZIRCONIUM ALLOYING ON THE MORPHOLOGY OF Al9FeNi PHASE AND MECHANICAL PROPERTIES OF 2618 ALLOY J.H.Wang1,D.Q.Yi2 (1.Mechanical Engineering Institute of Xiangtan University, Xiangtan 411105, China;2.Department of Materials Science and Technology of Central South University, Changsha 410083, China) Abstract:The effect of melt over-heating on the morphology......
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is not directly proportional to the fractal dimension.Key words:electrodeposition; fractal; wettability; morphology......
. In Figs.6(b) and (c), the Li fibers are bond together by something like glue. In Fig.6(d), the binding of the glue is weak, and the fiber is dispersing and shrinking. These microcosmic morphology... Electrochemical behavior and morphology of LiB compound anode materials LIU Zhi-jian(刘志坚)1, YIN Jian(尹 健)1, MENG Zhen-qiang(孟振强)1, CHONG Jin(种 晋)1, 2, ZHOU De-bi(周德壁)3 1. State Key Laboratory......
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