过滤介质阻力忽略不计,滤饼不可压缩,则恒速过滤过程中滤液体积由Vl增多至V2=2Vl时,则操作压差由ΔPl增大至ΔP2=()。
参考答案:2ΔPl
Read and judge. 快乐英语阅读吧!判断下列句子是(T)否(F)与短文内容一致。
It's two in the afternoon. Danny is sleeping now. Tomorrow is Sunday. I will go to the park. I will look at
the beautiful flowers. I will pick some flowers for my mother. After that I will jump and run. I will run very
fast. I will run faster than the police officer. Oh, no! Don't catch me. Help! Help! I will not do that again.
Suddenly Danny wakes up.
( )1. Danny has a dream.
( )2. Danny goes to the park.
( )3. Danny picked some flowers in the park.
( )4. Danny was caught by the police officer.
( )5. Today is Saturday.
根据我国刑法规定,有关精神病人具有的刑事责任能力,正确的是( )。
A.精神病人在不能辨认或不能控制自己行为时不具有责任能力
B.间歇性精神病人在精神正常时犯罪应负刑事责任
C.尚未完全丧失辨认或者控制自己行为能力的精神病人犯罪应负刑事责任
D.精神病人任何时候都不负刑事责任