The product is high in degree of substitution, whose substituent distribute equally, has characteristics of high viscosity, high content of sodium, high acid-viscosity ratio.
该产品的取代度高,取代基分布均匀,具有高粘度、高钠含量、高酸粘比、高盐粘比的特点。
The streamline pattern, the influence of the viscosity ratio on the inner and outer flow and the velocity, the pressure distribution for the inner flow are analysed in detail.
文中详细分析了流线谱,粘度比对内外流的影响以及内流的速度分布和压力分布。
For the high oil-water viscosity ratio of common heavy oil reservoir, the development effect becomes worse and worse with the reservoir coming into the high water production phase.
普通稠油注水开发油藏由于油水黏度比大,面临进入高含水中后期水驱开采效果越来越差的普遍矛盾。
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