The efficiency of the gas cycle has pretty much maxed out.

循环效率的气体已几乎刷爆了。

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Then we'll discuss specifically two types of power conversion systems. One is the steam cycle which we call Rankine and the other is the Brayton cycle which is the gas cycle.

然后我们会特别的讨论2种能量，转化系统，一个是蒸气循环，我们称为兰金，另外一个是布雷登循环，那是气体循环。

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Therefore, a TAR realizing a gas Stirling cycle approximating the Carnot cycle which is an ideal gas cycle, and realizing simplification of the structure and high efficiency of the device is provided.

介绍了一种基于高效斯特林循环的热声制冷机的基本原理及主要组成。

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And now we're going to specify, we're going to do a Carnot cycle for an ideal gas.

我们具体地指定一个卡诺循环，这是理想气体。

麻省理工公开课 - 热力学与动力学课程节选

But natural gas combined cycle is not a system of emission reduction.

FORBES: Why You Should Care That Courts Overturn EPA's Carbon Pollution Standard

The EPA is saying with a straight face that natural gas combined cycle is an emission reduction system that has been adequately demonstrated for coal power plants.

FORBES: Why You Should Care That Courts Overturn EPA's Carbon Pollution Standard

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.

FORBES: EPA Nominee Gina McCarthy Has A History Of Misleading Congress