太阳热发电站利用镜子将太阳光集中到锅炉上并因此产生蒸汽推动涡轮来发电, 这与燃气发电站比起来一点也不便宜。
But solar-thermal electricity faces exacting challenges.
但是太阳热发电正面临着让人兴奋的挑战。
To feed a turbine you need particularly pure steam, which can be a problem if you are in adesert.
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。
And to get the most out of the system you need the steam to be both very hot indeed andavailable in copious amounts.
为了能够充分的利用该系统, 你所需要的蒸气温度必须十分高并且可利用的数量十分充足。
Oil wells, GlassPoint s founders noticed, are far less demanding consumers in theserespects.
GlassPoint的创建者们发现, 在这些方面, 油井就不是那么挑剔的消费者。
The steam used can be comparatively dirty. Nor does it have to be infernally hot.
其所使用的蒸气可以很脏, 温度也不需要达到非常高。
And even a small amount of it, added to an existing gas-based recovery process, can makea useful contribution.
而且哪怕是向已存在的基于燃气的开采过程中添加一点蒸汽都会产生很大的效果。
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