The study of active centers of ethylene polymerization over chromium catalysts prepared from tri- and bivalent chromium compounds
1975 ◽
Vol 39
(3)
◽
pp. 363-368
◽
Keyword(s):
2004 ◽
Vol 42
(14)
◽
pp. 3464-3472
◽
1986 ◽
Vol 99
(1)
◽
pp. 140-148
◽
1998 ◽
Vol 199
(11)
◽
pp. 2473-2476
Keyword(s):