负压原油稳定装置工艺操作中,实际上闪蒸后原油温度总是()闪蒸压力下原油的饱和温度,因 发布时间:2017-04-28 08:34 │ 来源:www.tikuol.com 题型:单项选择题 问题: 负压原油稳定装置工艺操作中,实际上闪蒸后原油温度总是()闪蒸压力下原油的饱和温度,因此实际汽化率(收率)也低于理论计算值。A.大于B.等于C.小于D.小于或等于
题型:单项选择题 定条件下,存在可逆反应X(g)+2Y(g)3Z(g),若X、Y、Z起始浓度分别为c1,c2,c3(均不为0,单位mol/L),当达平衡时X、Y、Z的浓度分别为0.1mol/L,0.2mol/L,0.06mol/L,则下列判断不合理的是( )A.c1:c2=l:2B.达平衡状态时,生成Z的速率是生成X速率的3倍C.X、Y的转化率不相等D.C2的取值范围为0<c2<0.24 查看答案
题型:单项选择题 I met Lucy yesterday. But she gave me a cold shoulder.A.she was unhappyB.she was unfriendly to me C.she was friendly to meD.she had a cold 查看答案