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A series of experiments for small wave from LY 1100 shaking table is dressing experiment equipment, Than ordinary wave bed surface of bed size is small, Fit into the interior for dressing experiment, By institutes and universities space limitation small-scale concentrator need, Its dressing effect and big size bed roughly the same wave, Used to choose don't 2-0.02 mm ore and valuable level,W,Sn,Ta,Nb,Fe,Mn,Cr,Ti,Bi,Pb,Au ? ???? ????? ??? - ???? ? ???? ? ???? ????? ???? ? ?????? ????? 4 - 0.02 ???? ??? ????? ? ?? ?? ????? ??? ????? ???? ??? ???? ??? ? ???? ??? ???? ??? ?????? ???? ? ? ???? ???? ?????? ?? ?????? ???? ? ?????? ???? ?? ???? ????? ????? ?? ?????? ????. ?? ?????? ?????? ????. 0.074 ???? ??? ? ? ?? ???? ????? ???? ???? ??? ????? ? ???? ??? ????? ???? ???? ?? ???? ??? ???? ????? ???? ??? ? ??????? ???? ?? ?????? ????? ? ????? ?? ????? ? ????? ?? ????? ???? ? ?? ????? ?? ?? ???? ?????? ? ????? ??? ????? ?? ???? ????.