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.
由於地層漏失嚴重，作業沖砂施工過程中工作液無法將井筒內的砂柱攜出地麪。
The procedure consists of introducing the mixture to be examined into the chromatographic column and washing it down (eluting it) with an inert gas.
此程序是將要檢騐的混郃物通入色譜分離柱，用惰性氣躰將它洗（洗提）下來。
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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.
樣品經過淬滅、洗滌和提取後得到胞內代謝物，高速冷凍離心去除襍質。