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activation energy

英 [ˌæktɪˈveɪʃ(ə)n ˈenədʒi]

美 [ˌæktəˈveɪʃən ˈenərdʒi]

活化能;激活能;激发能

化学

英英释义

noun

  • the energy that an atomic system must acquire before a process (such as an emission or reaction) can occur
    1. catalysts are said to reduce the energy of activation during the transition phase of a reaction
    Synonym:energy of activation

双语例句

  • The electrical properties of the films were characterized by their room temperature electrical conductivity and the activation energy.
    利用薄膜的暗电导和激活能对硅薄膜的电学特性进行了表征。
  • Activation energy, frequency factor and reaction order at low-temperature stage are lower than those at high-temperature stage.
    煤粉燃烧反应低温段的活化能和频率因子较高温段低,反应级数较小;
  • The reaction rate constant and activation energy of soybean oil thermal polymerization reaction were determined by analysis of the change of viscosity.
    以大豆油为原料,根据热聚合反应过程中黏度的变化确定反应的速率常数及热聚合反应的活化能。
  • The apparent rate constant, thereaetion order and the activation energy were measured.
    测定了反应的表观速率常数,反应级数及活化能。
  • The rate of TSR in geologic settings is limited by temperature and activation energy.
    地质条件下热化学还原反应的速率受温度和活化能的制约。
  • At the same oxygen concentration, the average activation energy of sludge was higher than that of coal.
    相同氧浓度下,污泥的平均表观活化能比煤低。
  • The sintering activation energy is an important parameter for investigating the sintering mechanism.
    烧结激活能是研究物质烧结机理的重要参量。
  • Relation between zeolite electronegativity and activation energy of desorption
    分子筛电负性与脱附活化能间关系的研究
  • The results show that there are obvious effects of the sizes on the rate constant, the reaction order and the activation energy;
    结果表明:反应物的粒度对反应的速率常数、反应级数、表观活化能和指前因子均有较大的影响;
  • Catalysts that lower markedly the activation energy of the reactions are required.
    需要显著降低反应活化能的催化剂。