This paper performs simulation on the optimized structure of a heavy oil burning anode baking furnace.

对以重油作为燃料的阳极焙烧炉的火道结构进行了优化模拟计算。

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A certain Sudan oilfield is a heavy oil region with a high crude density, a high content of wax and a high pour point.

苏丹某油田是稠油为主力区块的油田，油品密度大、含蜡高、倾点高。

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The evaluation of catalytic pyrolysis catalyst using Daqing vacuum gas oil as feed stock was carried out on a heavy oil micro reactor.

采用重油微反应装置，以大庆蜡油为原料对催化裂解催化剂进行了反应评价。

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These include heat from the partial combustion, a gaseous mixture called syngas that can be burned as fuel, and a heavy oil.

ECONOMIST: Biochar could enrich soils and cut greenhouse gases as well

Zhong Yu of Greenpeace told the BBC's Chinese service there was a heavy layer of oil covering the coastline.

BBC: China oil spill after pipe blast 'worse than thought'

Prior to the "Special Period" Cuba had been a heavy user of oil-based chemical fertilizers, and much of the land was heavily degraded, requiring years of careful manuring to restore fertility.

CNN: Can the West cultivate ideas from Cuba's 'Special Period'?