将岩心样品洗净烘干并称重，然后把样品放到真空箱中抽空其内的空气（必要时充入CO2驱替掉空气）。

A clean, dry sample is weighed and then evacuated for several hours in a vacuum chamber, flushing with CO2 to remove remaining air if necessary.

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现对跌坎式底流消能工消力池内水流流态的演变进行了初步分析，随着入池能量的变化，消力池中会产生混合流、淹没混合流、淹没底流以及远驱底流流态。

With the change of in-take energy, the flow patterns in the stilling basin are:mixed flow, submerged mixed flow, submerged bottom floor and far-forth drove bottom floor.

youdao

现对跌坎式底流消能工消力池内水流流态的演变进行了初步分析，随着入池能量的变化，消力池中会产生混合流、淹没混合流、淹没底流以及远驱底流流态。

With the change of in-take energy, the flow patterns in the stilling basin are:mixed flow, submerged mixed flow, submerged bottom floor and far-forth drove bottom floor.

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