Results show that PCM possesses high enthalpy of phase transition up to 103.8 J/ g, and high efficiency of energy storage. 结果表明,以纳米纤维素为骨架材料制备的固-固相变材料具有更高的相变焓,所得的相变材料具有更好的储能效率,其相变焓最大可达103.8J/g。
The formation enthalpy of three binary alloys of transition metals ( W, Nb and Ta) with Na is calculated by EAM. 运用嵌入原子方法(EAM)研究了过渡金属W、Nb、Ta与碱金属Na组成的3个二元合金的形成焓。
Effects of physical ageing on the enthalpy relaxation characteristics of glass transition of pek-c, PES-C and their composites 物理老化对PEK-C、PES-C及其复合材料的玻璃化转变热焓松弛特征的影响