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supernatant    
a. 浮在表面的

浮在表面的

supernatant
adj 1: of a liquid; floating on the surface above a sediment or
precipitate; "the supernatant fat was skimmed off"
n 1: the clear liquid that lies above a sediment or precipitate


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  • SUPERNATANT Definition Meaning - Merriam-Webster
    The meaning of SUPERNATANT is the usually clear liquid overlying material deposited by settling, precipitation, or centrifugation
  • What Is Supernatant Liquid and How Is It Separated?
    The term supernatant specifically describes the liquid layer situated above a solid residue in a mixture This solid residue is known as the sediment, or more commonly in a laboratory setting, the pellet, which contains the heavier or insoluble materials
  • What is a Supernatant? - News-Medical. net
    Supernatants are recovered organelle factions of the cell produced after crystallization, precipitation, centrifugation, or other processes that separate cellular extracts It is also called the
  • What Is a Supernatant and How Is It Separated? - Biology Insights
    What Is a Supernatant? A supernatant is the clear liquid layer above a solid material or precipitate after a separation process This liquid contains dissolved substances or lighter particles that did not settle out
  • Precipitation (chemistry) - Wikipedia
    Compounds precipitate from a solution when its concentration exceeds its solubility, i e the solution is supersaturated Supersaturation can arise from temperature changes, solvent evaporation, or by mixing solvents Precipitation occurs more rapidly from a strongly supersaturated solution
  • Supernate Definition in Chemistry - ThoughtCo
    In chemistry, the supernate is the name given to the liquid found above a precipitate or sediment Usually, the fluid is translucent The term is best applied to the liquid above a precipitation reaction, after the precipitate has settled out, or to the liquid above the pellet from centrifugation
  • Supernatant - definition of supernatant by The Free Dictionary
    Define supernatant supernatant synonyms, supernatant pronunciation, supernatant translation, English dictionary definition of supernatant adj Floating on the surface
  • Difference Between Supernatant and Precipitate
    A supernatant is the liquid portion of a solution that is formed above solid material A precipitate is the solid component that occurs beneath the liquid part of a solution
  • Supernatant - Corrosionpedia
    What Does Supernatant Mean? The supernatant is the clear liquid that lies above the solid residue after centrifugation, precipitation, crystallization or settling The liquid is normally free of precipitate and has a lower density
  • Definition of Supernatant: Understanding the Concept
    TL;DR: A supernatant is the clear liquid layer that sits on top of a mixture after solids (like cells, precipitates, or sediments) have settled or been removed It’s commonly found in lab settings, cooking, and even natural processes—think of it as the “top layer” of a separated solution





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