We also studied the reaction conditions which influence on the conversion ratio, selectivity and yield.
研究了反应条件对转化率、选择性和收率的影响。
The effects of temperature, the ratio of ammonia, the ratio of air and the space velocity of catalyst upon the conversion, molar yield and selectivity of the reaction were observed, respectively.
考察了反应温度、氨比、空气比和空速对反应的转化率，摩尔收率和选择性的影响。
The conversion ratio and selectivity both above 90% are attainable.
转化率、选择性达到了90%以上。
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