考察了空速、进料浓度、反应温度等因素对催化剂活性的影响。
The effect of space velocity on catalyst was studied as well as concentration and temperature.
用特定方法确定了体系的活性中心浓度。
The concentrations of the active species of the system were determined by a 9iven method.
用特定方法确定了体系的活性中心浓度。
The concentrations of the active species of the system were determined by a 9iven method.
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