With the aim of making a search for clean source of power, make the best use of the coal resources, we adopt the underground coal gasification technology.

为了寻求清洁能源，充分利用煤炭资源，采用煤炭地下气化技术，通过应用膜分离法及PSA相结合方法来提高煤炭地下气化煤气中氢气质量分数。

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Wind power is a very clean source of energy.

风能是一种非常清洁的能源。

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They are designed to provide a clean, reliable source of on-site power to hospitals, Banks, airports, military bases, schools, and homes.

它可以为医院、银行、机场、军事基地、学校及家庭提供清洁、可靠的现场发电。

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But if the smaller and scalable technologies prove effective, they will establish valuable niche markets for themselves not just among the TVAs of the world but also among those local utilities and less developed countries that need a clean and continuous source of power.

FORBES: After Fukushima, U.S. Seeks to Advance Small Nuclear Reactors

The Obama administration and most of Congress do not want to deter companies from expanding this source of clean power.

FORBES: Undervalued Utility Stock Buy

As more governments look to civilian nuclear power as a source of clean electricity, tighter controls and other new schemes are needed to help stop would-be cheats or terrorists from exploiting or stealing some of the proliferation-prone technologies and materials for bomb-building.

ECONOMIST: Getting to zero