The filter action, the feature of filter cake, the damage of core permeability effected by cake and the solving method are researched by the way of dynamic filter experiment.

用动态滤失实验研究了压裂液的滤失行为，滤饼的性质，滤饼对岩心渗透率的伤害及其解除方法。

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How many is that the moisture-preserving powder cake of Diao congealed fat special counter replaces the core price?

迪奥凝脂保湿粉饼专柜替芯的价格是多少呀？

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Using the new method you could have your cake and eat it, by designing a strong core to a structure that has a weaker, temperature-resistant surface, he says.

ECONOMIST: MONITOR