Coprocessing can be considered as a transitional technology between heavy resid upgrading and coal liquefaction.

煤油共炼可以看作是重质渣油提质和煤液化之间的过渡技术.

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The factors influencing coking within resid fluid catalytic cracking ( RFCC ) disengagers and the mechanism are analyzed.

分析了重油催化裂化 ( RFCC ) 沉降器结焦的影响因素和机理.

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Objective : To establish a simpler, quicker method for detecting the minimal resid ual disease.

目的: 建立一种简便 、 快速的微小残留病的检测方法.

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