viscous oil

常见例句

There are some signs that stocks of more viscous oil are building, since it is harder (and less profitable) to refine.
一些迹象表明较高稠度油的库存正在建立，原因是这种油的提炼较困难（利润较低）。
Oil sands consist of clay, sand, and other minerals, coated in water and thick, viscous oil called bitumen (or asphalt).
油砂包含有粘土、沙子和其它矿物，由水和粘稠的沥青把它们混合在一起。
Utilizing ionic liquids to separate heavy viscous oil from sand, the team's technique could help reduce toxic waste from surface-minded oil sands and aid clean-up efforts after oil spills.
该技术有助于减少油砂提炼过程中产生的有毒废弃物，同时也可用于处理井喷后的污染物。

There are some signs that stocks of more viscous oil are building, since it is harder (and less profitable) to refine.
ECONOMIST: Oil prices
Extracting the bitumen from the clay and sand and upgrading it into crude oil--by breaking its big hydrocarbon molecules into smaller, less viscous ones--is an expensive, energy-intensive process that consumes 650 cubic feet of natural gas for every barrel.
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