The damage during hydraulic fracturing mainly included clay swelling and grain migration, built up created by mechanical impurities, the damage of fracture conductivity and so on.
水力压裂过程中存在的损害主要包括粘土膨胀与颗粒运移损害、机械杂质引起堵塞损害、支撑裂缝导流能力的损害等。
The countermeasures are proposed to prevent fine-grain migration. The experimental study is conducted emphatically for the evaluation method of anti-swelling durability of clay stabilizer.
并提出了预防微粒运移技术对策，重点对粘土稳定剂的防膨长效性评价方法进行了探讨性的试验研究。
It is shown from TEM analysis that the fine grained matrix materials are mainly derived from the huge clasts by subgrain rotation and local grain boundary migration.
TEM亚微分析表明，细粒基质是由粗大碎屑经过亚颗粒旋转，并伴随着局部颗粒边界迁移形成的动态重结晶颗粒。
The secondary carbides have a strong influence on recrystallization rate by retarding the migration of recrystallization grain boundaries.
退火过程中析出的二次碳化物阻碍再结晶晶界的迁移，从而影响再结晶层的界面推移速率。
The mechanism of filtration includes migration, adsorption, shedding of suspending grain, etc.
过滤机理有悬浮颗粒的迁移机理、悬浮颗粒的吸附机理和脱落机理等。
The deformation of olivine and pyroxene in the rock is the recrystallized process from coarse to fine grain, the spinel has obvious dissolution, migration and reprecipitation.
岩石中橄榄石和辉石的变形都是由粗变细重结晶过程，尖晶石则有较明显的溶解、迁移和再沉淀作用。
According to the results, the activation energy for migration of grain boundary Q was calculated. With the increase of the amount of re, the value of Q increases.
根据实验结果，对奥氏体晶界迁移激活能(Q)进行了计算，计算表明随稀土加入量增加，Q值亦增加。
The alloy phases are mostly distributed over the grain boundary in the form of compound phases, and they can hold back grain boundary migration.
这些合金相大多以复合相形式分布于晶界上，阻止晶界的扩展。
The results showed that a compressive strain parallel to the grain boundary enhanced the grain boundary migration, which is driven by the interaction between neighboring grain boundaries.
结果表明：平行于晶界方向的压应变可以促进晶界在相邻晶界交互作用下发生迁移；垂直于晶界方向的压应变则不能对晶界迁移产生明显的效果。
The results showed that a compressive strain parallel to the grain boundary enhanced the grain boundary migration, which is driven by the interaction between neighboring grain boundaries.
结果表明：平行于晶界方向的压应变可以促进晶界在相邻晶界交互作用下发生迁移；垂直于晶界方向的压应变则不能对晶界迁移产生明显的效果。
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