
好词典

源自法语 'pipette'(小管子),由 'pipe'(管子)加指小后缀 '-ette' 构成,最早记录于19世纪。
❶ 一种细长的玻璃或塑料管,用于精确量取或转移少量液体,常用于实验室操作。
“She used a pipette to transfer the chemical solution into the test tube.”
(她用移液管将化学溶液转移到试管中。)
“The scientist carefully measured 5 ml of liquid with a pipette.”
(科学家用移液管仔细量取了5毫升液体。)
❶ 使用移液管吸取或转移液体,通常指实验室中的精确操作。
“You need to pipette the sample slowly to avoid bubbles.”
(你需要缓慢移液以避免产生气泡。)
“She pipetted the reagent into each well of the plate.”
(她将试剂移液到板的每个孔中。)
graduated pipette — 带有刻度的移液管,可直接读取所转移液体的体积,适用于需要精确测量的实验。
“Use a graduated pipette to measure 10 ml of the buffer solution.”
(使用刻度移液管量取10毫升缓冲溶液。)
pipette tip — 移液管末端的可更换塑料头,用于防止交叉污染,每次使用后需更换。
“Remember to change the pipette tip after each sample to avoid contamination.”
(记得在每个样品后更换移液管吸头以避免污染。)