Flames and smoke billow from a petroleum-refining plant in Shiogama.

火焰和浓烟从盐釜的石油精炼厂中滚滚冒出。

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On-line quality analyzer is one of primary applied instruments in oil refining plant.

在线质量分析仪表是炼油装置中应用的主要仪表之一。

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Flames and smoke billow from a petroleum-refining plant damaged by the Japan earthquake in Shiogama, Miyagi Prefecture, on March 13.

3月13日，火焰和浓烟从宫城县盐釜被地震破坏的石油精炼厂中滚滚冒出。

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For the past 18 months engineers have been testing coal, petroleum coke (a refining by-product) and other fuels in the plant, tinkering with the catalyst and gathering data.

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The process is also capable of transforming virtually all plant matter into liquid fuel, whereas typical ethanol refining uses only the fatty acids that make up around 10 percent of the mass of dried plants.

CNN: Green breakthrough for 'biodiesel'