Studies on Heteromacrocyclic Polyether(Ⅻ)──Liquid Membrane Transport Properties of Metal Cations by Oxa-,Thia-,Selena- or TeIlura-Crown Ether
LI Wei-Ping, GONG Shu-Ling, LIU Xiu-Fang, LU Xue-Ran, XU Han-Sheng
Chem. J. Chinese Universities . 1996, (4): 501 -504 .