常見(jiàn)例句雙語(yǔ)例句Velocity and isopyknic gradient centrifugation was employed to fractionate rat myocardial nuclei.大鼠心肌細(xì)胞核采用差速離心和密度梯度離心分離提純。Recombinant adenoviruses were generated by packaging of HEK293 and purified by velocity density gradient centrifugation in caesium chloride solutions.腺病毒載體經(jīng)HEK293細(xì)胞包裝產(chǎn)生含反義片段的重組腺病毒，用氯化銫密度梯度離心法獲得純化的高滴度腺病毒； 返回 velocity centrifugation