By comparison, it is proposed that the active filter is one effective method of the decrease pressure pulsation.
通过对比，提出主动滤波是降低压力脉动的一种行之有效的方法。
This paper discusses the additional error of pressure-difference transducer when filling water. A new method is suggested to decrease such error.
本文对差压变送器“注水”使用时，因注水而产生的附加误差作了分析，提出了减少此附加误差的方法。
Shown from research, the main reason for smaller absolute open flow is the decrease of average formation pressure during well testing. A new method for processing gas well testing da...
研究表明，测试期间地层平均压力的下降是导致该气田无阻流量计算偏低的主要原因。
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