Farther the GAO-YONG turbulence equations being able to gain real viscosity field in complex flow was proved.
研究进一步证明了GAO YONG湍流方程组能够得到复杂流动的真实粘性场。
A high efficient complex viscosity reduction system XGD was developed for the crude oil in superheavy oil reservoir with high resin and asphaltene content and complicated layer structure.
针对特超稠油油藏原油胶质、沥青质含量高，层状结构复杂的特点，研制了高效复合降粘体系XGD并对其性能进行了评价。
There is good viscosity synergism between PGA and CMC, the synergism between PGA and sodium alginate is more complex.
PGA与羧甲基纤维素（CMC）具有良好增粘效应，但与海藻酸钠之间的效应较复杂。
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