Ｋ－Ｆｅ－ＭｎＯ／Ｓｉ－２催化剂具有较佳的ＣＯ２加氢合成低碳烯烃性能，并随碱金属钾助剂的添加而明显改善；其ＣＯ２加氢反应具有（１）ＣＯ２＋Ｈ２ＣＯ＋Ｈ２Ｏ和（２）ＣＯ＋（ｍ／２ｎ＋１）Ｈ２１／ｎＣｎＨｍ＋Ｈ２Ｏ两步反应机理；应用该反应机理，解释了ＣＯ２／Ｈ２比、......

Two kinds of radiolarian silicalites at the bottom and top of the ophiolite in the Mount (Mt.) Ailao belt, Yunnan Provin......