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阴离子交换和络合,萃取物可表示为R3CH3N+与(R3CH3N+Cl-)·(NH4ReO4),其比例为1:3.在优化条件下,Re(Ⅶ)的选择性提取率超过90%. 表3 乳液萃取体系在铼钼分离中的应用 Table 3 Separation of rhenium and molybdenum by emulsion extraction system 2.5 吸附..., 2018(1): 54-57. [9] 李 静. 化学沉淀法分离铜冶炼废酸中的铜和铼[J]. 湿法冶金, 2016, 35(5): 440-443. LI Jing. Separation of copper and rhenium from copper smelting waste acid by chemical precipitation[J]. Hydrometallurgy......
scale of the representative phases of the as-solidified microstructure of Zn-Mg alloys having 0.3-1.2 wt.% Mg. They reported micro- structures composed of a Zn-rich matrix characterized... conditions (dotted line) showing precipitation of phases during solidification, and experimental cooling curves under slow cooling rate and respective microstructural morphology of Zn-1Mg-0.5Mn (c......
solution accelerates the early hydration of cement due to the calcium silicate phase and precipitation of the hydrated phase [43]. In rheological tests, the results of samples (including NCA) at 10, 30......
; 文章编号:1672-7207(2015)01-0049-17 Reviews on latest advances in micro/nano-sized particles enhanced composite solders ZHANG Liang1, 2, Tu K N3, SUN Lei1, GUO Yonghuan1, HE Chengwen1 ... solders bearing micro/nano-sized particles were reviewed synthetically. Moreover, the effects of additives such as metals, compounds, ceramics, carbon nano-tube, polymer on lead-free solders were......
. This review is expected to serve as the cornerstone of further research, development and application of WAR. 2 AR and WMA With increasing vehicles and the rapid development of transportation, the amount......
