enthalpy的音标是[ɪnˈθæləpɪ],基本翻译是焓,速记技巧是“因他俩一起”(因=in,他俩=thermal and lattice,一起=ity)。
Enthalpy的英文词源:
Enthalpy来源于希腊语,意为“内部热量”。
变化形式:
Enthalpy作为名词时,有形容词形式enthalpyic。
相关单词:
1. enthalpyic - 热力学的,热力性质的
2. enthalpy change - 焓变,表示一个化学或物理过程的变化所引起的热效应。
3. enthalpy dissipation - 热能消耗,表示能量的消耗或散失。
4. enthalpy potential - 热势能,表示热能转化为机械能的潜力。
5. enthalpy flux - 热量通量,表示单位时间内通过单位面积的热量。
6. enthalpy density - 热焓密度,表示单位体积内的热焓。
7. enthalpy-entropy tradeoff - 热焓与熵的权衡,表示在热力学过程中,热焓和熵的变化之间的平衡。
8. enthalpy-vapor pressure equation - 汽化潜力的方程,用于描述物质在一定温度和压力下的汽化潜力的计算。
9. enthalpy-temperature equation - 热焓方程,用于描述物质在一定温度下的热焓的变化。
10. enthalpy-entropy system - 一个系统在一定的热力学条件下,其热焓和熵的变化之间的关系。
简述:Enthalpy是描述物质系统在一定的外部条件下,其内部能量的状态,通常用于热力学中描述物质的能量状态。其变化形式可以用于描述化学反应的热效应,液体的沸点变化等。这些相关词汇反映了热力学的核心概念和其在工程、化学、生物学等领域的广泛应用。
常用短语:
1. enthalpy change of reaction(反应的焓变)
2. enthalpy of formation(分子的标准焓变)
3. entropy of vaporization(汽化熵)
4. entropy of mixing(混合熵)
5. enthalpy of fusion(熔化焓)
6. heat of reaction(反应热)
7. heat capacity(比热容)
双语例句:
1. The enthalpy change of a chemical reaction depends on the nature of the reagents and the temperature. (化学反应的焓变取决于试剂的性质和温度。)
2. The enthalpy of formation of a substance reflects its tendency to absorb or release energy. (物质的焓变反映了它吸收或释放能量的倾向。)
3. The entropy of mixing increases when substances are mixed together, indicating that they are more likely to be in a disordered state. (混合熵增加,表明物质更可能处于无序状态。)
4. Heat capacity is a measure of how much energy a substance absorbs or releases per unit temperature change. (比热容是衡量物质在单位温度变化时吸收或释放多少能量的指标。)
5. The enthalpy of fusion and vaporization are important parameters in the study of phase equilibria in materials science. (熔化焓和汽化焓是材料科学中研究相平衡的重要参数。)
英文小作文:
Enthalpy is an important concept in thermodynamics, which measures the energy required to change the state of a substance. It is related to temperature and pressure, and can be used to predict the behavior of materials under different conditions.
When studying materials, we need to consider the enthalpy changes associated with various processes, such as reactions, melting, and vaporization. Understanding these changes helps us to predict how materials will behave under different conditions and to design effective processes for manufacturing and recycling purposes.
In addition to its practical applications, enthalpy is also an interesting topic in its own right, with many fascinating properties and relationships that can be explored further.