加入稀土元素，大大提高了催化剂的活性、抗毒性与抗烧结性；
Rare earth elements added greatly improves the catalytic activity, anti-toxic and anti-sintering;
介绍一种新型稀土氨合成催化剂，它具有低温、低压、高活性、高抗毒性。
A new ammonia synthesis catalyst with rare earths, which is suitable for condition of low temperature and low pressure, highly activated and poison proof, is introduced.
介绍一种新型稀土氨合成催化剂，它具有低温、低压、高活性、高抗毒性。
A new ammonia synthesis catalyst with rare earths, which is suitable for condition of low temperature and low pressure, highly activated and poison proof, is introduced.
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