The geographical flow situation of MiddleEastcrude 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。
2
The inferior vacuum residue produced with MiddleEastcrude 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。
3
This can vary from about 0.05% by weight, as in some Pennsylvanian crudes. to about 2% in an average MiddleEastcrude. and to 5% or more in heavy Nigerian or Mexican crudes.