The chromatographic characteristics, including column efficiency, thermal stability, polarity and selectivity were studied.
考察了这种固定相的柱效、热稳定性、极性及选择性等色谱特性。
The nonpolar, weak polarity and medium polar capillary vessel chromatographic column.
非极性、弱极性和中等极性毛细管色谱柱；
The magnetic polarity reversal record is often illustrated by means of a column with black and white intervals depicting the two polarity.
地磁极性反转记录通常用代表两种极性的黑白间隔所组成的极性柱来表示。
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