When touching water, the water shutoff agent will swell. In high concentration brine, the expansion ratio is yet higher.
该堵剂遇水会膨胀，在高矿化度水中膨胀率也较高。
This paper discusses thoroughly the extrusion swell phenomenon and mechanism of polymer melts in conical die with different entrance angles and different ratio of length to diameter.
深入讨论了聚合物熔体在不同长径比、不同角度圆锥口模的挤出胀大现象及机理。
The grafted T/C fabric can swell at once when it reached water. Higher the graft ratio is batter the responsive intensity is and faster the responsive speed is.
接枝T/C织物遇水后能够迅速做出响应，接枝率越高，织物对水的响应强度越高，响应速度越快。
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