即恒定体积，改变温度，这里恒定温度下。
Then we can take the derivative of that quantity, when we vary the temperature, holding the volume constant.
放射性物质容器弹和水槽组成的封闭体系具有恒定体积，而且是绝热的。
The closed system of bomb plus water bath has a constant volume and is thermally insulated.
我们有一个密封的反应容器，它的体积是恒定的。
We'll have a reaction vessel that's sealed, it's constant volume.
我们将不会具有恒定的压力热容量，而是具有恒定的体积热容量。
We're not going to have the constant pressure heat capacity, but the constant volume heat capacity.
如果你知道状态方程，知道在体积恒定的时压强如何随着温度变化。
You know how pressure changes with temperature at constant volume if you know the equation of state.
这仍然是绝热的，是隔热的，但现在它的体积是恒定的。
So this is still adiabatic. It's insulated, but now it's constant volume, OK.
体积恒定，什么是零？
在恒定温度下它就等于体积。
这条路径C，体积恒定？
这是一种用来测量气体压强(在体积恒定下)的装置。
It is a device used to measure the pressure of a fixed volume of gas.
另一方面，温度，体积和压强，在实验室中比较容易保持恒定。
On the other hand, temperature, volume and pressure are variables that are much easier in the lab to keep constant.
以恒定有限的力与能量，任凭于比光的电磁波物质体积、质量更小的物质，则其速度就是超光速的。
With constant limited force and energy, and let in the electromagnetic wave of than light material volume, quality of material more small, the speed is faster than the speed.
如果涉及了气体，情况也很相似，只是现在的装置是这样的，我们有一个密封的反应容器，它的体积是恒定的。
Yes, and if we have gases involved, it's pretty similar, but now what will have is something like this. We'll have a reaction vessel that's sealed, it's constant volume.
当我们使温度保持恒定时，气体的体积与压力成反比。
When we keep the temperature constant, the volume of a gas changes inversely with the pressure.
这本书对于守恒定律的双曲线的体制献身于有限体积法。
This book is devoted to finite volume methods for hyperbolic systems of conservation laws.
对于不可压缩的流体来说，流管中的质量通量和体积通量都是恒定不变的。
For incompressible fluids, both the mass flux and the volume flux are constant in a tube of flow.
对于不可压缩的流体来说，流管中的质量通量和体积通量都是恒定不变的。
For incompressible fluids, both the mass flux and the volume flux are constant in a tube of flow.
应用推荐