St.Louis has two science cafs. The second one - sponsored by Washington University - meets once a month during the academic year at a bar called the Schlafly Bottleworks.
VOA: standard.2010.05.04
There's the water phase, there's the ice cube is the solid phase, and there's some water, gas, vapor, and that's one bar.
里面放一块冰,这是固态;,于是我们得到了水,冰和水蒸气三态共存的点。
The partial pressure of the water, of gaseous water above that equilibrium of ice and water is not one bar, it's much less.
哪里错了吗?,问题在于,冰水混合物上方的,大气中水蒸气的分压,不是一个大气压。
(Speaking in Polish) On one of Warsaw's popular party streets, young people crowd into a bar where everything from the derelict retro furniture to propaganda posters is designed to remind you of the 1970s.
VOA: standard.2009.12.16
So you start with the bicycle pump at one bar, let's say, right?
一个大气压,开始?
So I can make a quantity that I'll call V bar, which is the molar volume, the volume of one mole of a component in my system, and that becomes an intensive quantity.
所以我可以定义,一个叫做一横的量,这是摩尔体积系统中,一摩尔某种组分的体积,它就变成了。
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