To fully utilize the low temperature exergy of liquid hydrogen,installed additionally in a hydrogen energy based gas turbine cycle is an air precooler and hydrogen turbine.

为了充液氢的低温火，在氢能燃气轮机循环中附加了一个空气冷器和氢气透平。

Thermal dynamical analysis on the calcine system of cement-precalcination kiln in Shangdong Lunan Cement Ltd.Co. was made in this paper, exergy and its analytical method were introduced.

通过对山东鲁南水泥有限公司的水泥煅烧系统的热力学析,介绍了火的概念和火平衡析法。