像加拿大的焦油砂(tar sands),以往无人问津,现在物价上涨而变得值钱,受投资者追捧,火红程度跟石油不相伯仲。
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沥青砂 ( Tar Sands )是油田在缓慢上升过程中,较轻的油气挥发后,由于留下的较重的组分侵蚀其所经过的围岩或沙土而留下的类似焦油的沙土沉积物。
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tar sands oil 沥青砂油
Tar Sands Action 油砂行动
·2,447,543篇论文数据,部分数据来源于NoteExpress
N a sandstone in which hydrocarbons have been trapped; the lighter compounds evaporate, leaving a residue of asphalt in the rock pores 沥青砂
oil sands
Some American retailers have forsworn fuel from the tar sands.
一些美国零售商发誓不购入产自油砂的燃料。
youdao
Tar sands and biofuels represent only a small part of global energy use.
沥青砂及生物燃料仅占全球能源消耗的一小部分。
On the one hand, America already imports plenty of oil from the tar sands.
一方面,美国已有大量的焦油砂制油进口额。
The proposed Keystone XL pipeline would carry heavier crude oil produced from tar sands in Canada.
VOA: special.2011.07.08
They have worked out how to squeeze oil from the tar sands of Alberta.
WSJ: Big Oil Companies Are Shifting Their Focus Back to the West
Tar sands take lots of energy to process, and therefore entail copious emissions of greenhouse gases.
ECONOMIST: Debating the Keystone XL pipeline
That makes the downturn in the tar sands less a collapse than a pause for breath.
ECONOMIST: China invests in Canada's tar sands
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