After each extraction, we purified the resulting gas and passed the xenon into hohenberg 's mass spectrometer, which indicated the number of atoms of each isotope present.

每一次萃取后，我们把得到的气体纯化，再将氙通入霍恩·柏格的质谱仪，测量出其中所含各种同位素的原子数量。

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Natural variability and greenhouse gas emissions (and the resulting rise in global temperatures) likely worked together to melt greater amounts of Arctic sea ice.

自然演变和导致温室效应气体的排放(这导致了全球温度的升高)似乎共同作用，使大量北冰洋海冰融化。

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When gas prices rose dramatically in 2008, Americans began flocking to mass transit in droves, resulting in declining revenues for the Federal Highway Trust Fund.

当2008年油价急剧上涨时，美国人成群结队地开始集体运输。这导致了联邦公路信托基金收益的减少。

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But controlling electricity consumption has become increasingly critical as data center energy use and the resulting greenhouse gas emissions skyrocket along with the use of Facebook, Twitter and other aspects of our virtual lives.

FORBES: GE Opens One Of World's Greenest Data Centers

Study after study has pegged energy efficiency as the lowest-cost way to curb fossil-fuel consumption and the resulting greenhouse-gas emissions.

WSJ: The Experts: What Will Be the Next Technological Breakthrough in Energy?

The Bill's a worthy measure allowing people to make energy-saving improvements to their homes - new boilers, better insulation etc - and pay for it out of the resulting savings to their gas and electricity bills.

BBC: Energy Bill and the Big Society: A battle to come?