The operation cycle of the catalyst used in conversion at low temperature is critical to the direct economic returns of the enterprises which produce synthetic ammonia.
中温变化催化剂运行的周期长短，是关系到合成氨生产企业直接经济效益的关键因素。
The sulfur tolerance of Type B204 catalyst for the low temperature shift conversion of carbon monoxide was studied.
对B204型低变催化剂进行了耐硫性能的研究。
The sulfur tolerance of Type B204 catalyst for the low temperature shift conversion of carbon monoxide was studied.
对B204型低变催化剂进行了耐硫性能的研究。
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