常見例句雙語例句Objective To establish an rapid and simple discontinuous density gradient method for purification of islet cells from rat pancreas.目的探索用簡化的單一密度梯度法建立快速純化大鼠胰島細(xì)胞的方法。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;During the impurity radiation, the density perturbation driven by density gradient couples with the temperature one and then affects the electrostatic potential one.電子密度梯度直接影響密度漲落,并通過雜質(zhì)輻射與溫度漲落相互耦合,進(jìn)而影響靜電勢漲落。 返回 density gradient