| 单词 | exothermic reaction |
| 释义 | exothermic reaction noun[C] chemistryspecializeduk/ˌek.səuˌθɜː.mɪk riˈæk.ʃən/us/ˌek.soʊˌθɝː.mɪk riˈæk.ʃən/achemicalreactionin whichheatisproduced 放热反应（放出热量的化学反应）Compare endothermic reaction Physical & chemical processes
exothermic reaction| American Dictionaryexothermic reaction noun[C] us/ˌek·soʊˈθɜr·mɪk riˈæk·ʃən/chemistry achemicalreactionthatproducesheat Examplesofexothermic reactionexothermic reaction The analysis of the inner reaction-diffusion layer yields the heat flux produced by theexothermicreaction. From theCambridge English Corpus This local maximum exists because the pressure behind the shock decreases as a result of theexothermicreactionand/or geometric expansion. From theCambridge English Corpus This is anexothermicreaction, so steps must be taken to control the temperature. From Wikipedia  This example is from Wikipedia and may be reused under a CC BY-SA license.Temperature is sometimes increased in a step-wise fashion to control the rate of curing and prevent excessive heat build-up from theexothermicreaction. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Thisexothermicreactionproduces the four industrially significant nitroalkanes: nitromethane, nitroethane, 1-nitropropane, and 2-nitropropane. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Lime hydration is anexothermicreactionthat can be performed with water or steam. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Anexothermicreactionin the vessel generated enough steam to burst the container. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Conversely, it can be seen on theexothermicreactionplot that as temperature increases, the equilibrium constant decreases. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.It also undergoes anexothermicreactionwhich destroys the vessel wall. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.It has to be heated very gradually to prevent explosion due to its strongexothermicreaction. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.The oxygen of the water fuels theexothermicreaction, leaving hydrogen bubbles which causes the compound to foam. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Curing of epoxy resins is anexothermicreactionand in some cases produces sufficient heat to cause thermal degradation if not controlled. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.The condensed aerosol microparticles and effluent gases are generated by theexothermicreaction; until discharged from the device, the particles remain in vapor state. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Heat enters the cycle in high-temperature endothermic chemical reactions 2 and 3, and heat exits the cycle in the low-temperatureexothermicreaction1. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.This means that the enthalpy term must be negative, implying anexothermicreaction. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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