(1) Haschke, J. M.; Luis, T. A.; Morales, L. A. Surface and Corrosion Chemistry of Plutonium. In Challenges in Plutonium Science; Los Alamos National Laboratory: Los Alamos, 2000; pp 252-273. (2) Pfann, W. G. Zone Melting, 2nd ed.; Wiley: New York, 1966; pp 29-76. (3) Zaiour, A.; Zahraman, K.; Roumieb, M.; Charara, J.; Fawaz, A.; Lmaid, F.; Hage, A. M. Materials Science and Engineering B 2006, 131, 54. doi: 10.1016/j.mseb.2006.03.029 (4) Mohamad, R. A.; Khaled, Z.; Abdallah, Z.; Yasser, M.; Makram, H. Journal of Crystal Growth. 2006, 289, 260. doi: 10.1016/j.jcrysgro.2005.11.002 (5) Ghosh, K.M.; Dhar, S. J. Appl. Phys. 2008, 104, 1. (6) Fort, D.; Jones, D.W.; Beaudry, B. J.; Gschneidner, K. A. Journal of the Less-Common Metals 1981, 81, 273. (7) Liang, Y. Q.; Li, G. D.; Yun, Y. H. Acta Scientiarum Naturalium Universitatis NeiMongo 2002, 33 (3), 257. [梁雅琼, 李国栋, 云月厚. 内蒙古大学学报, 2002, 33 (3), 257.] (8) Kouji, M.; Takanori, S.; Minoru, I. J. Mater. Sci. 2008, 43, 2721. doi: 10.1007/s10853-008-2449-9 (9) Rodway, G. H.; Hunt, J. D. Journal of Crystal Growth 1989, 97, 3. (10) Chii, D. H.; Ho, M. Y.; Tauoo, L. Y. Separations Technology 1996, 6, 227. doi: 10.1016/S0956-9618(96)00160-9 (11) Ho, C. D.; Yeh, H. M.; Yeh, T. L. Separation and Purification Technology 1999, 15 (1), 69. doi: 10.1016/S1383-5866(98)00084-7 (12) Spim, J. A., Jr.; Bernadou, M. J. S.; Garcia, A. Journal of Alloys and Compounds 2000, 298, 299. (13) Haas, J.; Liu, Y. C.; Dost, S. Scientia Iranica 2007, 14 (5), 474. (14) Blau, M. S. Journal of Radioanalytical and Nuclear Chemistry 1998, 235 (1-2), 41. doi: 10.1007/BF02385935 (15) Blau, M. S. Levitation Zone Refining and Distribution of Plutonium Metal. Ph. D. Dissertation, University of Idaho, State of Idaho, 1998. (16) Lashley, J. C.; Blau, M. S.; Staudhammer, K. P.; Pereyra, R. A. Journal of Nuclear Materials 1999, 274, 315. doi: 10.1016/S0022-3115(99)00074-4 (17) Freibert, F. J. Zone Refining for Low Loss Plutonium Purification. http://permalink.lanl.gov/object/tr?what=info:lanlrepo/lareport/LA-UR-12-25437 (accessed Oct 28, 2014). (18) Cheung, T.; Cheung, N.; Garcia, A. Journal of Electronic Materials 2000, 39 (1), 49. (19) Cheung, T.; Cheung, N.; Tobar, C. M. T.; Caram, R.; Garcia, A. Materials and Manufacturing Processes 2011, 26, 493. doi: 10.1080/10426914.2010.520787 (20) Zhou, M.; Sun, S. D. Genetic AlgorithmsTheoryand Applications; National Defence Industry Press: Beijing, 1999; pp 1-4. [周明, 孙树栋. 遗传算法原理及应用. 北京: 国防工业出版社, 1999: 1-4.]