packed column造句

The chromatographic columns usually used in liquor-making industry include DNP packed column, large caliber capillary column, and small caliber capillary column.

The paper introduced that the packed column influences mass transfer when it is emulsifying.

A new high efficient and low cost packed column with mixed stationary liquids is prepared.

CONCLUSION According to the operation period and separation efficiency, the capillary column is suggested to replace the packed column for the determination of borneol contents.

Gas chromatograph is the important apparatus to analyze microconstituents in liquor and it is classified into packed column gas chromatograph and capillary column gas chromatograph.

Saponification of the acetates produced the respective alcohols. Pure geraniol and nerol were separated by rectification on a highly efficient packed column.

By using the flooding capacity factor, an accurate and convenient correlation for calculating the flooding velocity in a randomly packed column is proposed.

The authors put forward at first that operating holdup in packed column is not well-distributed and ratio of height to diameter is an important parameter which influences operating holdup.