Don't be discouraged__you have fallen behind others.
A. whether
B. as if
C. even if
D. however
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More people will eat out in a restaurant_they do today.
A. as
B. than
C. where
D. though
对于一个气固相催化反应过程,下列属于动力学因素的是_______
A. 气膜扩散;
B. 孔内扩散;
C. 表面反应
气固相催化反应本征动力学的基础是______________________。
气固相催化反应宏观动力学过程中,对于可逆反应,催化剂颗粒中反应物可能的最小浓度是颗粒温度下的平衡浓度。
A. 对
B. 错