To feed a turbine you need particularly pure steam, which can be a problem if you are in a desert.

为了能够推动涡轮, 你需要特别纯净的蒸气, 如果处于沙漠地带那么这将是个问题.

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Adopt the technique of the level control, producing distilled water and pure steam at the same time.

采用液位控制技术，实现生产蒸馏水的同时生产纯蒸汽。

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Warm-up time will be extended only, and the mixture of steam and air at the same pressure will be lower than that of pure steam temperature.

不但会延长暖机时间，而且在相同压力下蒸汽及空气混合物会比纯蒸汽温度低。

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Revolutionizing Prosthetics 2009 program, relies on a modified miniature version of the same rocket motors the space shuttle uses to reposition itself in space: hydrogen peroxide is burned in the presence of a catalyst to produce pure steam, which is then used to move the arm.

ENGADGET: Rocket-powered mechanical arm might boost prosthetic tech

In short, Steam trades are not always pure exchanges happening in some moral-free zone where social obligations are perceived to be non-existent.

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To keep turbine sales spinning, Immelt has turned to a process that partially burns pulverized coal in the presence of pure oxygen to turn it into a flammable gas that can drive linked gas and steam turbines.

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