“这种不寻常的模式反映了世界石油需求的新动态，”IEA表示。“新出现的季节性很可能会构成新的炼油和物流挑战。”

“This unusual pattern reflects the world's new oil demand dynamics,” the IEA said. “This emerging seasonality will likely raise new refining and logistical challenges.”

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摘要：矩阵式管理模式能够很好的与石油工程企业所处的动态和复杂的环境相适应。

Abstract: : Matrix management model can well adapt to the dynamic and complex environment that petroleum engineering enterprises face.

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建立了基于工艺机理分析的石油分馏塔非平衡动态数学模型，直接考虑汽液两相间的传质传热。

A nonequilibrium nonlinear dynamic model of petroleum fractionators is developed in this paper by directly taking into account the mass and heat transfer between liquid and vapor in the tower.

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