washing column的意思|示意

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。

The problem that salt accumulating on the top of fractionating column is solved by water-washing on line with good result.

介绍了大连石化公司三催化装置分馏塔结盐情况，对结盐现象进行了分析，通过采取在线水洗措施解决了塔顶结盐问题，取得了好的效果。

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。