热力学中表征物质系统能量的一个重要状态参量，等于内能与压强和体积的乘积之和，常用符号H表示。在化学反应中，焓的变化(△H)等于系统所吸收或释放的热量(-△H)。
焓 [hán]
n. enthalpy
misc. heat content ; heat function
网络释义专业释义
短语
焓湿图 Psychrometrics ; [制冷] psychrometric chart ; push-pull hood ; Psychromeric
标准摩尔燃烧焓 Standard enthalpy change of combustion ; standard molar combustion enthalpy ; Standard molar enthalpy of combustion ; standard d enthalpy change of combustion
标准摩尔生成焓 standard enthalpy of formation ; standard molar formation enthalpy ; standard enthalpy change of formation ; standard molar enthalpy of formation
自由焓 [物化] free enthalpy ; gibbs free energy ; free enthalpy , Gibbs free energy
生成焓 Enthalpies of Formation ; enthalpy of formation ; formation enthalpy
焓厚度 [流] enthalpy thickness
键焓 bond enthalpy ; binding enthalpy
焓熵图 enthalpyentropychart ; mollier diagram ; [热] enthalpy-entropy diagram ; Mollier chart
等焓的过程 isentropic process
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enthalpy - 引用次数：171
The phase transition for the former is controlled by the change of enthalpy, but the latter is controlled by the change of entropy.
前者相变主要是受焓变控制，而后者是受熵变控制。
参考来源 - 分散液滴的尺寸对含水和非水微乳体系临界行为的影响heat content -
enthalpy - 引用次数：5 参考来源 - 对几种简单酰胺分子的焓相互作用的研究heat content
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enthalpy - 引用次数：6 参考来源 - Euler/N
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enthalpy
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enthalpy
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双语例句原声例句
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我可以测量它并制成表格，当我转动 dT 旋钮，我就知道焓的变化了。
Something I can measure and I can tabulate, and when I turn my dT knob, I know what's going to happen to the enthalpy.
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讨论了气态摩尔标准生成焓与取代基常数间的线性关系。
The linear relationship between the gas phase standard enthalpies of formation and the substituent constants is discussed.
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还讨论了尺寸因子，电负性，选择子的轨道能量等因素对形成焓的影响。
The affection on the enthalpies of formation aroused by factors, such as size factor, electronegativity, the energy of orbit of selectron etc, is also discussed.
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Now for this experiment, this is a constant enthalpy experiment for the Joule-Thomson experiment, this is equal to zero.
对于这个实验，焦耳-汤姆逊实验,是一个焓不变的实验,焓变化等于0，所以我可以。
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But we've defined the enthalpy of those elements in their stable state at room temperature and pressure as zero, right?
但我们已经定义了这些,元素处于它们室温和常压下,最稳定的状态时的焓为零，对吧？
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And the bigger lesson from that is that entropy, unlike energy u or enthalpy H, we could define an absolutely number for it.
热力学第三定律的一个更重要的推论是,与内能和自由焓不同，我们可以给上定义一个绝对的数值。
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