9[2]P.Ry Chen,S. Alonso and H. Alt, High-purity Water Production With The Late s t Modular Electrodeionization Technology, paper presented and distributed at Ul trapure Water Europe `96 Symposium, Amsterdam,1996,9,25
10[3]V.Allen, N.J. Silvestri and M,Fenton, A Comparison of Double-pass RO Treatme nt Approaches, Ultrapure Water,1995(4):22～29
