Practices have proved that the upper injection pressure limit, determined with pseudopaisson's ratio method, based on passive microseismogram is suitable for oilfield development.

实践表明，以无源微地震测试结果为基础的拟泊松比法确定的注水压力上限能够较好地适应油田开发的需要。

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Beyond the upper limit of the linear region of an ionization gauge, there is a falloff in the ion current with the increase of the measured pressure.

在电离真空规的线性测量上限部分，离子流随着压强上升而衰降。

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Features: the upper limit of the fluid pressure range is higher, can be arbitrarily installed (to be customized) but must meet the conditions of fluid pressure difference.

特点：流体压力范围上限较高，可任意安装(需定制)但必须满足流体压差条件。

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Instead, he found it had failed to operate at maximum allowable operating pressure--odd, given that this pressure is usually the upper limit for safety and El Paso was under federal restrictions after an August 2000 pipeline explosion killed 12 campers in New Mexico.

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