提出了基于样条函数技术对石油馏份所作的若干种典型汽液平衡计算步骤，并给出了令人满意的数值计算结果。
The procedures of some typical vapor-liquid equilibrium calculations of petroleum fractions based upon spline techniques are given in the paper with good agreement with laboratory data.
注汽过程中高温高压和狭小的空间，使得干度在线测量成为石油开采行业中的世界性难题。
The online measurement of the steam quality is a difficult problem of world in petroleum industry, because of high temperature and high pressure of steam and narrow space of steam injection well.
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.
该阀广泛用于石油、化工、电力、纺织印染、等行业的各种蒸汽加热设备，蒸汽管网、凝汽管网、凝结水回收工程和低过热蒸汽工程。
It is widely in sectors of petroleum, chemical engineering, power, printing and dyeing textile for heating and steaming system, condensation water recycling and over heating steam projects.
它适用于石油、化工、印刷、造纸、制药等工业蒸汽加热设备和蒸汽管网的阻汽排水。
The product applies to such industrial steam heating equipment as petroleum, chemical, printing, paper making and pharmaceuticals and discharge of the steam pipe network.
它适用于石油、化工、印刷、造纸、制药等工业蒸汽加热设备和蒸汽管网的阻汽排水。
The product applies to such industrial steam heating equipment as petroleum, chemical, printing, paper making and pharmaceuticals and discharge of the steam pipe network.
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