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单词 precolumn
释义

Definition of precolumn in English:

precolumn

noun ˈpriːˌkɒləm
Chemistry

  • A chromatographic column used to filter or modify a substance before it is passed through a second column.

adjective ˈpriːˌkɒləm
Chemistry

  • Carried out prior to analysis or separation in a chromatography column.

Origin

1950s. From pre- + column.

Definition of precolumn in US English:

precolumn

nounˈpriːˌkɒləm
Chemistry

  • A chromatographic column used to filter or modify a substance before it is passed through a second column.

adjectiveˈpriːˌkɒləm
Chemistry

  • Carried out prior to analysis or separation in a chromatography column.

Origin

1950s. From pre- + column.
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更新时间：2025/6/18 13:07:42