The geographical flow situation of Middle East crude oil export is analyzed by the logistics field theory.

运用物流场理论较好地分析了中东原油出口的地域流动情况。

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The inferior vacuum residue produced with Middle East crude oil can be used as raw material of delayed coking and asphalt.

由中东原油生产的劣质减压渣油，可作为延迟焦化原料，也是生产沥青的好原料。

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This can vary from about 0.05% by weight, as in some Pennsylvanian crudes. to about 2% in an average Middle East crude. and to 5% or more in heavy Nigerian or Mexican crudes.

硫的含量多少因地而异，比如宾夕法尼亚的某些原油硫含量按重量计约为0.05% ，中东原油平均约为2% ，而尼日利亚或墨西哥的重质原油为5%甚至更多。

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Some heightened Middle East tensions supported crude, and did offset a bearish U.S. weekly DOE storage report Thursday.

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The Middle East tensions are prompting higher volatility in crude oil market.

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Proponents further point to the benefits the oil would bring to the U.S. in terms of displacing overseas crude oil from the Middle East and the positive economic benefit to U.S. energy refiners.

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