entropy change

The temperature, the change rate of entropy of black holes and the compression of time scale

黑洞温度、熵变化率和时间尺度的压缩

The spatial distribution of regional economic activities and change trends in China during the period 1978& 2000 are analyzed by using entropy methodology.

以区域发展政策变化为切入点，利用系统熵理论方法深入分析了1978&2000年我国区域经济活动空间分布变化趋势。

By means of the equation the formulas for calculating the enthalpy and entropy change of the hydrogen bond dissociation have been established.

本文还进一步从导出的热力学方程出发，建立了计算氢键解离热焓和熵变化的公式。

Which is to say there's an entropy change in mixing.

那就是说，混合后有熵变。

The results showed that there is an obvious chaos change of heart rate variability during anesthesia, both the complexity and approximate entropy of heart rate variability during anesthesia are evidently less than those during consciousness ( P < 0.05).

结果表明：麻醉期心搏周期有显著性的复杂性变化，麻醉状态下心率变异性的复杂度Kc、C1、近似熵（P<0.05）均显著低于清醒状态。

Change in entropy is greater than zero for an isolated system.

对孤立系统，熵的变化是大于零的。

Specific examples are given to calculate the entropy change for a number of different processes.

给出具体的例子来计算不同的进程数熵变.

Thermodynamic function calculation shows that the adsorption is a spontaneous and exothermic process. Enthalpy and entropy change of the adsorption of methy orange are-8.80kJ · mol-1 and-18.01J · mol-1 · K-1, Free energy of the adsorption increases with the increase of temperature.

热力学函数计算表明，自制吸附剂甲基橙的吸附是自发的放热过程，吸附热和熵变分别为-8.80KJ·mol-1和-18.01J·mol-1·K-1，吸附自由能随温度的升高而增加。