- 《英文msh词典》Gradient Centrifugations,Density
- [入口词] Gradient Centrifugations,Density
- [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)
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