wash column

基本解释

For serious formation leakage, the working fluid can't carry sand column to ground surface in the process of sand washing.
由于地层漏失严重，作业冲砂施工过程中工作液无法将井筒内的砂柱携出地面。
The procedure consists of introducing the mixture to be examined into the chromatographic column and washing it down (eluting it) with an inert gas.
此程序是将要检验的混合物通入色谱分离柱，用惰性气体将它洗（洗提）下来。
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After quenching, washing and extraction, the samples were centrifuged to remove impurities, and then separated on a Waters Atlantis HILIC silica column.
样品经过淬灭、洗涤和提取后得到胞内代谢物，高速冷冻离心去除杂质。