《英文msh词典》Centrifugations,Density Gradient
[入口词] Centrifugations,Density Gradient
[主题词] Centrifugation,Density Gradient
[英文释义] Separation of particles according to density by employing a gradient of varying densities. At equilibrium each particle settles in the gradient at a point equal to its density. (McGraw-Hill Dictionary of Scientific and Technical Terms,4th ed)