[IEEE The 8th Russian-Korean International Symposium on Science and Technology, 2004. KORUS 2004. - Tamsk, Russia (June 26-July 3, 2004)] Proceedings. The 8th Russian-Korean International Symposium on Science and Technology, 2004. KORUS 2004. - Copolymerizations of ethylene with 1-decene over various ansa-metallocene complexes combined with AL(I-BU/sub 3//[CPH/sub 3/][B(C/sub 6/F/sub 5/)/sub 4/] cocatalyst