中文摘要：

综述了Fe、Ru、Ir和Ni等过渡金属的氢化物在CO2活化、氢化、硼氢化和硅氢化反应中的应用，重点阐述了CO2氢化、硼氢化和硅氢化反应的反应机理及反应条件的优化.

英文摘要：

The application of transition metal hydrides, such as hydrides of Fe, Ru, Ir and Ni, in the activation, hydrogenation, hydroboration and hydrosilation of CO2 is reported. And the mechanism and the reaction conditions of hydrogenation, hydrob-oration and hydrosilation of CO2 are described especially.