For a stationary, adiabatic flow the specific energy E, specific angular momentum L and mass accretion rate M are constant in space.
对于静态、绝热吸积流，比能量E、比角动量L和质量吸积率M都是空间的常量。
The expressions of velocity and flow rate of helical flow of a general viscous fluid has been obtained by using helical flow in a vertical annular space as an idealized flow model.
本文用垂直同轴圆柱环形空间内的螺旋流流场作为钻井井内流体流场的理想化模型，得出了任意纯粘性流体螺旋流流场的速度及排量表达式。
Using power function to describe the production rate, pressure and translating them into laplace space, the early time testing data of the pumping well can be modified to the radio flow period.
利用幂函数描述产量与压力值，并通过拉氏变换进行校正，可将抽油井测压早期段数据校正到径向流段，从而大大缩短抽油井测压时间。
This design USES a frame rate control algorithm based on space-hash to improve the quality of the LCD display. It USES two-level buffer structure to ensure steady output flow.
该设计使用了基于空间散列的帧频控制算法以优化LCD显示图像质量，并使用两级缓存结构以保证稳定的输出数据流。
The measures to control the vapor purging time and flow rate of vapour, enlarge the oil-gas space and increase the number of air hole as well as venting area are given, which can effective...
提出采取严格控制扫线作业时间和扫线蒸汽流量，增大油气空间的体积和增加罐顶通气孔数量和面积等措施，可有效地预防该类事故的发生。
According to many affection factors such as fractures space and number, etc, the bottom-hole pressure and fracture flow rate distribution of horizontal well are analyzed in this paper.
针对裂缝间距和裂缝条数等影响因素，对水平井井筒压力和不同裂缝的流量进行了分析。
According to many affection factors such as fractures space and number, etc, the bottom-hole pressure and fracture flow rate distribution of horizontal well are analyzed in this paper.
针对裂缝间距和裂缝条数等影响因素，对水平井井筒压力和不同裂缝的流量进行了分析。
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