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          國產(chǎn)移液器可分為排氣式和正向置換兩大類
          國產(chǎn)移液器可分為排氣式和正向置換兩大類
          國產(chǎn)移液器主要基于活塞和彈簧系統(tǒng)實(shí)現(xiàn)液體的吸取與排放,根據(jù)具體設(shè)計(jì)不同,可分為排氣式微量移液器和正向置換移液器兩大類。排氣式微量移液器,也被稱為氣墊式活塞移液器,其工作原理是利用活塞的伸縮運(yùn)動與空氣壓強(qiáng)變化來完成吸液和放液動作。在操作過程中,活塞通過彈簧的伸縮排出部分空氣,使移液...
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