通過(guò)對(duì)無(wú)機(jī)、有機(jī)離子化合物,極性化合物的實(shí)際分離分析,討論了 EIC 柱的制備條件對(duì)柱涂層厚度和使用壽命的影響.Based on obtainedpapers, we studied preparing conditions of ( EIC ) column.通過(guò)控制步進(jìn)電機(jī)的運(yùn)動(dòng), 來(lái)實(shí)現(xiàn)對(duì)柱塞泵流量的精確控制.Through controlling the step motor moving, the accurate contr...