采用稀土元素部分或全部取代贵金属是研制开发三效汽车排气净化催化剂的重要方向。
Authors propose that the partial or whole replacement of noble metals by rare earth elements is an important direction in the future developments of emission control three way catalysts.
并根据这一方法，对国外有关的高温高浓度区域的比焓值数据进行了转换，可为三效和四效溴化锂吸收式制冷机的开发和研制提供比焓值数据。
The enthalpy data in international literature with high temperature and high concentration is converted, which can be used for developing triple-effect and quadruple-effect absorption chiller.
开发金属合金载体，以及新型单钯催化剂、过渡金属型或稀土钙钛矿型催化剂是今后三效催化剂研究的热点。
Developing alloy supporters, new Pd-only TWC, transition metal oxides and alkaline earth oxides as promoters will be the research points for TWC.
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