若甲烷在203K,2533.1kPa条件下服从范德华方程,则摩尔体积为()m3•mol-1.(a=2.283×10-1Pa•m6•mol-2,b=0.4728×10-4•m3•mol-1)
A. 5.606
B. 5.606×10-3
C. 5.606×10-4
D. 5.6×10-4
查看答案
()是会展场馆各项管理活动的基础。
A. 会展场馆人力资源激励
B. 会展场馆人力资源培训
C. 会展场馆人力资源管理
D. 会展场馆组织管理
The quantity of cooled air delivered by an air conditioning unit should () the sum of the quantity of air re-circulated to the unit and the quantity mechanically exhausted.
A. balance
B. not balance
C. be more than
D. be less tha