;
;Products include tungstates and molybdates, molybdenum trioxide, and ferro-molybdenum.
网站简介 : Producer of tungsten and molybdenum compounds in China.
氧化物
氧化硫（等于sulphur trioxide）氧化二砷；[化]砒霜氧化锑氧化钼氧化钨氧化硫氧化铬；铬酸（等于chromic acid）Products include tungstates and molybdates, molybdenum trioxide, and ferro-molybdenum.
网站简介 : Producer of tungsten and molybdenum compounds in China.
Pyridine can react with halogens,nitronium fluoroborate, sulfur trioxide, boranes and chromium trioxide to form some useful organic reagents which are introduced briefly in the paper.
吡啶可以和卤素、硝基四氟化
、氧化硫、烷及氧化铬反应，形成一些有
的有机试剂。
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