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在高中生物叶绿体中色素的提取和分离实验中,我们改用点水笔代替毛细吸管划滤液线,划出来的滤液线既细又齐,做出来的四条
In the extraction and separation experiments of pigments in the chloroplasts of high school students, we replaced the capillary suction line with a spotting pen. The resulting filtrate lines were fine and homogeneous.