pure substance短语¹⁴⁴⁹⁷²⁺² 基本例句 纯物质 The enthalpy of pure substance at standard condition is zero. 即，在标准状态下，稳定单质的焓值为零。 unusual This article points out a misconception in physical chemistry “the value of Gibbs function is equal when Binary System of pure substance is in phase balance”. 指出了“单元复相系平衡状态时，两相中的吉布斯函数值相等”说法的错误。 dictall