and patent... · 962 2001 11 h BED COLLAPSE BEHAVIOR OF Si02 NANO - PARTICLES WANG Yao, JIN Yong,...
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and patent... · 962 2001 11 h BED COLLAPSE BEHAVIOR OF Si02 NANO - PARTICLES WANG Yao, JIN Yong, WEI Fei and LUO Tian of Chemical Enginæring, Tsinghua Unicersity, Beijing 100084,