It also discusses transforming ways of different types of coal-source materials to diamond and influential elements of transforming effect.

讨论了不同炭源材料转变金刚石的行径与影响转变效果的因素。

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"I believe this can be commercially practical with a given concentrated carbon dioxide source such as coal plant," he says.

“我相信如果有一个集中的二氧化碳来源，就像煤电厂一样，这个生产工艺就能得到工业应用，”他说道。

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Indiana's main source of power production is coal.

印第安纳州的主要能源来自于煤炭。

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Imported non-subsidised coal is the second-most cost-effective source of electricity in Europe.

ECONOMIST: Change of environment

Coal is the dominant energy source for generating electricity in China, with Coal-fired power plants account for nearly three quarters of electricity produced in China, and the most intense demand is along the coast in Eastern Chinese provinces.

FORBES: Digging Into Yanzhou Coal, Finding Diamonds

That's because they use less electricity and coal-fired power plants are the biggest source of mercury emissions in the air.

NPR: CFL Bulbs Have One Hitch: Toxic Mercury