The National Association for Sport and Physical Education says twenty to thirty students in a P.E.class should be the limit.

VOA: special.2009.08.06

It's true for any gas, and if I remove this limit here, r t is equal to p v bar, I'm going to call that an ideal gas.

这样的气体被称作理想气体,这就是理想气体的性质，理想气体的涵义是什么？

麻省理工公开课 - 热力学与动力学课程节选

I'm going to call it r. It's going to be the gas constant, and now I have r times t is equal to the limit, p goes to zero of p r.

如果去掉p趋于0的条件,在有限压强下都,保持RT=pV的关系。

麻省理工公开课 - 热力学与动力学课程节选

Nevertheless, at least 19 states (see map, p. 176) have moved to ban or limit the use of MTBE in gasoline.

FORBES: Demonizing for Dollars

PDI-P plans to control the main economic posts, to limit the infighting that paralysed Mr Wahid's recovery efforts.

ECONOMIST: Indonesia

Still, Mr. Streeter said winning this case "is going to be an uphill climb for H-P, " since California courts typically frown on agreements that limit employees' ability to switch companies.

WSJ: H-P Sues Hurd After Oracle Appointment