The air, zero gas, span gas, and fuel show no problems.

空中，零点气体，标定刻度气和燃料表明没有问题。

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Principle of dry gas seal with screw groove type was introduced. It was applied in the centrifugal compressor to realize zero gas leakage. It has safety operation of the compressor group guaranteed.

介绍螺旋槽式干气密封的工作原理，通过在离心式压缩机上应用使瓦斯达到零泄漏，保证机组的安全操作与运行。

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The temperature scale that turns out to be well—defined and ends up giving us the concept of an absolute zero is the ideal gas thermometer.

理想气体温标它有精确的定义，并能引出绝对零度的概念。

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dT/dp is mu JT. So for a real gas like air, this is a positive number. It's not zero.

所以对于像空气这样的真实气体，这是一个正数，不等于零。

麻省理工公开课 - 热力学与动力学课程节选

And the temperature scale that turns out to be well-defined and ends up giving us the concept of an absolute zero is the ideal gas thermometer.

比如理想气体温标,它有精确的定义,并能引出绝对零度的概念,今天我们就先来谈谈它。

麻省理工公开课 - 热力学与动力学课程节选

B=0 There's going to be some temperature where B is equal to zero. In that case, your gas is going to look awfully like an ideal gas.

在某个温度,这时，实际气体的表现，十分接近理想气体,高于这一温度它是正的。

麻省理工公开课 - 热力学与动力学课程节选

This saving is more than paid for by the value of the saved generating capacity, so the net cost of saving the gas itself is less than zero.

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The proposal lumps gas turbines and coal boilers into the same source category, and it holds coal power plants to a CO2 performance standard that nearly all natural gas combined cycle plants and exactly zero commercial coal power plants can meet.

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"We're measuring the zero-to-60 speed but also the gas mileage, " says Lankford.

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