本文介绍了用法拉第筒作为离子检测器的四极滤质器存在干扰电子流的原因。
The causes of disturbing electron current in quadrupole mass filter with Farady cylinder as an ion detector are described.
由于携砂液向地层的滤失以及通过筛管缝隙的流体质量交换，水平井砾石充填过程中冲筛、井筒环空两个流动系统均为复杂的变质量流。
During the process of gravel-packing in horizontal Wells, there are the filtration flow of the carrier fluid to the formation and the exchange flow through the screen slots.
我们的系列产品由设备制造商和膜滤材供应商测试并核准，从而维护了您的膜材（ 喘流，陶瓷，板式，螺旋切口，空心纤维等）。
Our complete product range is tested and approved by equipment manufacturers and suppliers of membrane filters of being the perfect solution for maintaining your membranes.
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