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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The hot helium comes out here and goes either to a direct cycle, a direct Brayton cycle or an indirect cycle which can be also used to make steam.

热的氦气从这出来，进入，直接循环，直接的Brayton循环，或者一个间接的，循环，那也是用来制造蒸汽的。

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So it's a simple cycle where the gas from, and this is helium gas now, is circulated through the reactor and goes right to the gas turbines, and it's a gas turbine not a steam turbine.

所以，这是个简单的循环，气体就从这儿来，这是氦气现在，正在流通,通过反应堆，进入到气体涡轮里,这是个气体涡轮，不是蒸汽涡轮。

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This is where it should sell if the cycle timely turns, but there are no indicators as yet that better steam coal pricing or a recovery in metallurgical coal is in the cards.

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Legge notes that newer fossil fuel plants use the heat that was once wasted to turn an extra steam turbine, a process known as combined cycle.

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