On the basis of sieve analysis for the formation sand, through the simulation experiments of sand production, the sieve-opening sine of premium screen pipe for sand control was determined.
在分析地层砂粒度分布的基础上，通过室内出砂模拟实验，确定了该油田各油层的防砂筛管挡砂精度。
The invention discloses a composing method for SBA-15 molecular sieve having organic absorbing property, belonging to the field of pollution control and technique.
本发明公开了一种对有机物具有吸附性能的SBA - 15分子筛的合成方法，属于污染控制与技术领域。
Through the control of the preparation conditions, the separation capability of the prepared tubular porous fiber molecular sieve membrane is significant.
通过制备条件的控制，所制得的管式多孔纤维分子筛膜的分离能力显著。
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