We separated the subfractions of LDL by precipitating method and density gradient ultracentrifugation, and identified the subfraction by electronphoresis and electron microscope.
通过沉淀法分离LDL,然后经过超速离心法分离其亚组分。
Density Gradient
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Density gradient
![Global map of average Sea Surface Density.](/Images/godic/202501/08/SeaSurfaceDensity0135.jpg")
Density gradient is a spatial variation in density over an area. The term is used in the natural sciences to describe varying density of matter, but can apply to any quantity whose density can be measured.
- solid hygrometer
- solid ice
- solidicorbula erythrodon
- SOLIDIF.
- solidif
- solidifed carbon dioxide
- solidifiability
- solidifiable
- solidification age of the solar system
- solidification brittleness
- solidification by cement
- solidification constant
- solidification contraction
- solidification cracking
- solidification crack sensitivity
- solidification curve
- solidification equipment
- solidification formula
- solidification fouling
- solidification front
- solidification gradient
- solidification grain structure
- solidification heat
- solidification in cement
- solidification, liquefaction