Online Google Dictionary

calcining 中文解釋 wordnet sense Collocation Usage Collins Definition
Verb
/ˈkalˌsīn/,
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calcines, 3rd person singular present; calcined, past tense; calcined, past participle; calcining, present participle;
  1. Reduce, oxidize, or desiccate by roasting or strong heat
    • - calcined bone ash
  1. (calcination) the conversion of metals into their oxides as a result of heating to a high temperature
  2. Calcination (also referred to as calcining) is a thermal treatment process applied to ores and other solid materials in order to bring about a thermal decomposition, phase transition, or removal of a volatile fraction. ...
  3. (calcination) The process of calcining - heating a substance to a high temperature, but below its melting point, to bring about thermal decomposition
  4. (calcined) converted by calcination
  5. (calcination) Heating ores, concentrates, precipitates, or residues to decompose carbonates, hydrates, or other compounds.
  6. (CALCINATION) The action of fire on mineral substances in which the reactants (a) often lose a noticeable amount of weight, (b) acquire a white color, (c) become friable (easily crumbled or pulverized). Almost always, a very high heat is employed.
  7. (Calcination) Decomposition due to the loss of bound water and carbon dioxide.
  8. (Calcination) The first operation in alchemical transformation. It is denoted by the symbol for the first sign of the zodiac, Aries.
  9. (Calcination) The process by which raw limestone is converted to quicklime by heating at temperatures between 900 - 1000 degrees C. During the process CaCO3 splits into calcium oxide (CaO) and carbon dioxide (CO2).
  10. (Calcination) combusting in high heat to ashes in the presence of calcium; produces CaCO3 (aka calcite or limestone)
  11. (calcination) Cremation from heat rather than flames.
  12. (Calcined) Term used to describe bone that has been so thoroughly heated that all moisture and grease is oxidized or driven off, leaving only white, easily crumbled pieces. ...
  13. Burning: Enough heat to cause disintegration, or total fusion.
  14. To calcine a substance is to heat it so that it will break down into small particles or into a powder, or to drive of volatile substances.  Lime kilns are calcining furnaces, for example, as are coke ovens.  Other substances are calcined, as well. ...