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单词 electrolyte
释义
electrolyte

Physics
  • A liquid that conducts electricity as a result of the presence of positive or negative ions. Electrolytes are molten ionic compounds or solutions containing ions, i.e. solutions of ionic salts or of compounds that ionize in solution. Liquid metals, in which the conduction is by free electrons, are not usually regarded as electrolytes. Solid conductors of ions, as in the sodium–sulphur cell, are also known as electrolytes. Very dilute solutions of electrolytes are described by the Debye–Hückel theory.


Chemistry
  • A liquid that conducts electricity as a result of the presence of positive or negative ions. Electrolytes are molten ionic compounds or solutions containing ions, i.e. solutions of ionic salts or of compounds that ionize in solution. Liquid metals, in which the conduction is by free electrons, are not usually regarded as electrolytes. Solid conductors of ions, as in the sodium-sulphur cell, are also known as electrolytes.


Chemical Engineering
  • An ionic compound which, when molten or in solution, can conduct an electric current with decomposition. Conversely, a non-electrolyte is a compound that will not conduct electric current. Typical electrolytes include acids, bases, and salts, and their solutions, which are also termed electrolytes.


Electronics and Electrical Engineering
  • A substance that conducts electricity when in solution or when molten because of its dissociation into ions. Strong electrolytes are compounds, such as mineral acids, that are completely dissociated into ions when in solution. Weak electrolytes are compounds that are only partially dissociated in solution. Weak solutions of such compounds are better conductors than strong solutions because of their greater degree of dissociation.


Biology
  • A liquid that conducts electricity as a result of the presence of positive or negative ions. An example is a sodium chloride solution, which consists of free sodium (Na+) and chloride (Cl) ions. In biology and medicine ‘electrolyte’ usually refers to the ion itself.


Geology and Earth Sciences
  • A chemical compound which, while molten or in solution, is decomposed by the conduction of an electrical current through it. The current is moved by the passage of ions rather than, as in a metal, free electrons.


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