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Niobium compound catalyst for polycondensation reaction to form polyethylene terephthalate(PET)
12小时前
已完结
Solid-state Structures and Solution Behavior of Alkali Salts of the $$[\hbox{Nb}_{6}\hbox{O}_{19}]^{8-}$$ Lindqvist Ion
3个月前
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Solid-state Structures and Solution Behavior of Alkali Salts of the $$[\hbox{Nb}_{6}\hbox{O}_{19}]^{8-}$$ Lindqvist Ion
4个月前
已完结