在一活塞流反应器中进行下列反应 两个反应均为1级,反应温度下,k1=0.30min-1,k2=0.10min-1。A的进料流量为
在一活塞流反应器中进行下列反应
两个反应均为1级,反应温度下,k1=0.30min-1,k2=0.10min-1。A的进料流量为3m3/h,其中不含P和Q。试计算P的最高收率和总选择性以及达到最大收率时所需的反应体积。
在一活塞流反应器中进行下列反应
两个反应均为1级,反应温度下,k1=0.30min-1,k2=0.10min-1。A的进料流量为3m3/h,其中不含P和Q。试计算P的最高收率和总选择性以及达到最大收率时所需的反应体积。
第1题
Neither (he) nor (I) (are going) to attend (the) lecture this afternoon.
A.he
B.I
C.are going
D.the
第2题
Neither (he) nor (I) (are going) to attend (the) lecture this afternoon.
A. he
B. I
C. are going
D. the
第3题
Neither (he) nor (I) (are going) to attend (the) lecture this afternoon.
A.he
B.I
C.are going
D.the
第4题
第5题
If it ______ tomorrow, I'm afraid I won't attend the class.
A.will rain
B.is going to rain
C.will rain
D.rains
第6题
I am going to attend the conference, but you _______ with me.
A.needn't to go
B.don't need go
C.needn't go
D.needn't going
第7题
I am going to attend the conference, but you______ with me.
A.needn't to go
B.don't need go
C.needn's go
D.needn't going
第8题
I wish everyone ________ the meeting tomorrow.
A、will attend
B、would attend
C、had attended
D、is going to attend
第9题
I'm going to attend the conference, but you ______ with me.
A.needn't to go B.don't need go C.needn't go D.needn't going
第10题
I am going to attend the conference, but you _________ with me.
A.needn't to go
B.don't need go
C.needn't going
D.needn't go
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