Method Heavy oil is recovered by small direct-fired steam-gas generator through injecting mixed gas.

方法利用小型直燃式热采蒸汽—气体发生器注混合气体开采稠油。

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But producing the steam means burning natural gas, which emits carbon dioxide.

但是，要生产蒸汽就要燃烧天然气，这还是会产生二氧化碳。

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The results show that an appropriate quantity of circulating water exists under certain conditions in the system and decreases with a reduction in the steam gas ratio of the shift reaction.

结果表明，系统在一定条件下存在一较为适宜的循环水量，且此适宜的循环水量随变换反应汽气比的降低而降低。

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Over the next three decades he dabbled in a variety of new technologies--electric storage batteries, steam- and gas-powered automobiles and a wireless telegraph--but after his death in 1911 the company focused again on temperature controls.

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But this portion could grow, given the hassles of making hydrogen:It requires a six-story furnace, called a steam-methane reformer, where natural gas combines with steam and nickel at 1, 600 degrees Fahrenheit to unleash hydrogen gas.

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Combined-cycle gas turbines, which use hot exhaust gases from one turbine to generate steam to turn a second one, can transform 6, 800 Btu of gas into a kilowatt-hour of electricity, enough to light one lightbulb for ten hours.

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