Time lapse time difference is an important parameter in the determination of distribution for underground oil and water, because it includes the variation information of reservoir velocity.
而时移时差在确定地下油水分布时是一个很重要的参数，因为时移时差包含了储层速度的变化信息。
2
Determination methods of parameters which involved gas holdup, liquid circulation velocity, solid holdup, bubble behaviors etc in the loop reactor were introduced.
介绍了环流反应器流体力学参数的测定方法，这些参数包括气含率、循环液速、固含率、气泡大小及速度。
3
This article presents an experimental determination for optimal operational parameters, such as cross velocity, trans-membrane pressure, temperature and fixed flux operation, etc.