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The results are fundamental to the research and preparation of lowtemperature, hith activity and low cost cobalt-iron ammonia synthesis catalyst. 较深入地探讨了钴含量和铁比变化对催化活性影响的规律及其原因，为制备低温高活性和较低成本的含钴熔铁氨合成催化剂提供了理论基础。