什么是饱和蒸汽压?
参考答案:
在一定的V.T下,某液态组分达到气.液平衡时的压力称为该组分的饱和蒸汽压.
You are always telling me I am lazy. Look at your room. What a mess it is!_____.
A.The day has eyes, the night has ears
B.The great thieves punish the little ones
C.That is like the pot calling the kettle black
D.When one will not, two cannot quarrel
8个月婴儿基础代谢,每日每公斤约需()
A.80kcal
B.66kcal
C.55kcal
D.44kcal
E.30kcal