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Article ID: 1003-6326(2005)02-0336-04 Recovery stress characteristics of TiNi alloy wires after partial martensitic transformation under different constraint conditions XING Ting-yong(邢廷勇), ZHENG Yan-jun(郑雁军), CUI Li-shan(崔立山) (Department of Materials Science and Engineering, University of Petroleum Beijing, Beijing 102249, China) Abstract: The recovery stress characteristics of a TiNi......
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NAND flash service lifetime estimate with recovery effect and retention time relaxationBU Kai(步凯)1, 2, CHEN Yi-ran(陈怡然)1, XU Hui(徐晖)2, YI Wei(易伟)2, XIE Qi-you(谢启友)2(1. Department of Electrical...:A service life model of NAND flash and threshold voltage shift process is proposed to calculate the service life and endurance. The relationships among achievable program/erase (P/E) cycles, recovery time......
J. Cent. South Univ. (2017) 24: 1082-1089 DOI: 10.1007/s11771-017-3511-z Comprehensive recovery of Fe, Zn, Ag and In from high iron-bearing zinc calcine PENG Bing(彭兵)1, 2, PENG Ning(彭宁)1, LIU Hui(刘恢... the generation of zinc iron solid solution (Fe0.85-xZnxO), which can bring a decrease of iron recovery in magnetic separation. After roasting, acid leaching and multistage magnetic separation are carried out......
J. Cent. South Univ. Technol. (2010) 17: 750-754 DOI: 10.1007/s11771-010-0551-z Two-step flotation recovery of iron concentrate from Donganshan carbonaceous iron ore YIN Wan-zhong(印万忠)1, HAN Yue... siderite efficiently in neutral conditions. The flotation recovery of pure hematite, siderite, and quartz in the oleate-starch-CaCl2 system is significantly different when the slurry pH varies from 4 to 12......
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J. Cent. South Univ. Technol. (2009) 16: 0242-0246 DOI: 10.1007/s11771-009-0041-3 Recovery of copper sulfate after treating As-containing wastewater by precipitation method ZHENG Ya-jie(郑雅杰... the leaching time is 1.5 h, molar ratio of H2SO4 to Cu is 1.70, H2SO4 concentration is 24% and the leaching temperature is 80 ℃. The direct recovery rate of copper sulfate is 79.11% and the content of CuSO4......