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8-18 某填料吸收塔用过热水蒸气吹出洗油中的苯 , 入塔液体中苯的摩尔分率为 0.05, 要求解吸率 97%, 该物系相平衡关系为 y =2.8 x , 采用的过热蒸汽用量为最小气体用量的 1.3 倍 , 该填料的传质单元高度 H OG =0.3m, 试求该塔的填料层高度。
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举一反三
【单选题】Which field was not greatly influenced by Latin and Greek?
A.
philosophy
B.
medicine
C.
technology
D.
food
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【单选题】伽利略的斜面实验证明了( )
A.
要物体运动必须有力的作用，没有力的作用的物体将静止
B.
要物体静止必须有力的作用，没有力的作用的物体就运动
C.
物体不受外力作用时，一定处于静止状态
D.
物体不受外力作用时总保持原来的匀速直线运动状态或静止状态
查看完整题目与答案
【简答题】A．She likes the first one though it is expensive. B．She doesn't like both of them. C．She's going to choose the cheaper one to save money. D．She prefers the expensive one with less maintaining cost.
查看完整题目与答案
【单选题】下面程序的输出结果是________。(参考代码:XT_09_01_03.C) #include int f(){ static int i=0; int s=1; s+=i; i++; return s; } int main() { int i,a=0; for(i=0;i<5;i++) a+=f(); printf("%d\n",a); }
A.
20
B.
24
C.
25
D.
15
查看完整题目与答案
【单选题】伽利略的斜面实验证明了
A.
要物体运动必须有力作用，没有力作用的物体将静止
B.
要物体静止必须有力作用，没有力作用的物体就运动
C.
物体不受外力作用时，一定处于静止状态
D.
物体不受外力作用时总保持原来的匀速直线运动状态或静止状态
查看完整题目与答案
【单选题】伽利略的斜面实验证明了（）
A.
要物体运动必须有力的作用，没有力作用的物体将静止
B.
要物体静止必须有力的作用，没有力作用的物体将运动
C.
物体不受外力作用时，一定处于静止状态
D.
物体不受外力作用时，总保持原来的匀速直线运动状态或静止状态
查看完整题目与答案
【单选题】下面程序的输出结果是________。(参考代码:XT_09_01_05.C) fun(int a,int b){ return a+b; } int main(){ int x=2,y=3,z=4; printf("%d\n ",fun(fun((x--,y++,x+y),z--),x)); }
A.
14
B.
13
C.
12
D.
10
查看完整题目与答案
【单选题】Which expression is not correct about the Olympic Games?
A.
Modern Olympic Games was born in Athens.
B.
Long jump is a program of the track and field.
C.
Ancient Olympic Games was dedicated to the great God Zeus.
D.
The slogan of 2008 Beijing Olympic Game is “ A New World”.
查看完整题目与答案
【单选题】Which is NOT true about Grammy Awards?
A.
Grammy is one of the four most important music awards in the United States.
B.
Grammy is awarded to outstanding achievements in music industry.
C.
The first Grammy ceremony was held in 1958.
D.
The "General Field" are four awards which are not restricted by genre.
查看完整题目与答案
【单选题】下面程序的输出结果是________。(参考代码:XT_09_01_04.C) #include int x=1; fun(int m){ int x=5; x+=m; printf("%d ",x); m++; } int main(){ int m=3; fun(m); x+=m++; printf("%d ",x); }
A.
8 5
B.
8 4
C.
9 5
D.
9 4
查看完整题目与答案
相关题目：
【单选题】Which field was not greatly influenced by Latin and Greek?
A.
philosophy
B.
medicine
C.
technology
D.
food
查看完整题目与答案
【单选题】伽利略的斜面实验证明了( )
A.
要物体运动必须有力的作用，没有力的作用的物体将静止
B.
要物体静止必须有力的作用，没有力的作用的物体就运动
C.
物体不受外力作用时，一定处于静止状态
D.
物体不受外力作用时总保持原来的匀速直线运动状态或静止状态
查看完整题目与答案
【简答题】A．She likes the first one though it is expensive. B．She doesn't like both of them. C．She's going to choose the cheaper one to save money. D．She prefers the expensive one with less maintaining cost.
查看完整题目与答案
【单选题】下面程序的输出结果是________。(参考代码:XT_09_01_03.C) #include int f(){ static int i=0; int s=1; s+=i; i++; return s; } int main() { int i,a=0; for(i=0;i<5;i++) a+=f(); printf("%d\n",a); }
A.
20
B.
24
C.
25
D.
15
查看完整题目与答案
【单选题】伽利略的斜面实验证明了
A.
要物体运动必须有力作用，没有力作用的物体将静止
B.
要物体静止必须有力作用，没有力作用的物体就运动
C.
物体不受外力作用时，一定处于静止状态
D.
物体不受外力作用时总保持原来的匀速直线运动状态或静止状态
查看完整题目与答案
【单选题】伽利略的斜面实验证明了（）
A.
要物体运动必须有力的作用，没有力作用的物体将静止
B.
要物体静止必须有力的作用，没有力作用的物体将运动
C.
物体不受外力作用时，一定处于静止状态
D.
物体不受外力作用时，总保持原来的匀速直线运动状态或静止状态
查看完整题目与答案
【单选题】下面程序的输出结果是________。(参考代码:XT_09_01_05.C) fun(int a,int b){ return a+b; } int main(){ int x=2,y=3,z=4; printf("%d\n ",fun(fun((x--,y++,x+y),z--),x)); }
A.
14
B.
13
C.
12
D.
10
查看完整题目与答案
【单选题】Which expression is not correct about the Olympic Games?
A.
Modern Olympic Games was born in Athens.
B.
Long jump is a program of the track and field.
C.
Ancient Olympic Games was dedicated to the great God Zeus.
D.
The slogan of 2008 Beijing Olympic Game is “ A New World”.
查看完整题目与答案
【单选题】Which is NOT true about Grammy Awards?
A.
Grammy is one of the four most important music awards in the United States.
B.
Grammy is awarded to outstanding achievements in music industry.
C.
The first Grammy ceremony was held in 1958.
D.
The "General Field" are four awards which are not restricted by genre.
查看完整题目与答案
【单选题】下面程序的输出结果是________。(参考代码:XT_09_01_04.C) #include int x=1; fun(int m){ int x=5; x+=m; printf("%d ",x); m++; } int main(){ int m=3; fun(m); x+=m++; printf("%d ",x); }
A.
8 5
B.
8 4
C.
9 5
D.
9 4
查看完整题目与答案