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.
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 linear relationship between the gas phase standard enthalpies of formation and the substituent constants is discussed.
讨论了气态摩尔标准生成焓与取代基常数间的线性关系。
According to the experimental and calculation results, the enthalpies of formation of the ions and some bond energies have been evaluated.
结合实验和理论计算结果，估算了离子的标准生成焓和键解离能。
Standard enthalpies of formation of simple substances have been discussed in current textbooks. A more exact definition has been proposed.
讨论分析了现行教材中关于单质标准生成焓的规定，提出了较严谨的定义；
Standard enthalpies of formation of simple substances have been discussed in current textbooks. A more exact definition has been proposed.
讨论分析了现行教材中关于单质标准生成焓的规定，提出了较严谨的定义；
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