entropy change

The thermodynamic standard enthalpy change Δ H~ o_m and entropy change Δ S~ o_m of adsorption reaction were both below zero, suggesting that adsorption reaction was an exothermic one and tended to be more in ordered state.

吸附反应的焓变ΔHom和熵变ΔSom均小于零，为放热反应，反应向更有序状态进行；

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

In this paper the authors give the formulas for Calculating the entropy change of an ideal gas between two states of an arbitrary quasistatic process and the criterions to determine the plus minus signs of the entropy change.

本文给出计算理想气体的任意准静态过程中两个状态间熵变的公式和判断熵变符号的判据。

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。

The adsorption enthalpy change, free energy change, entropy change for the phenylacetic acid adsorbed by 3 resins were calculated, and the reasonable explanation was made to the adsorption behavior.

对苯乙酸被3种树脂吸附的吸附焓变、自由能变、吸附熵变也作了计算，并对吸附行为作了合理的解释。

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。

With the data of crystal lattice, entropy change, enthalpy change and free energy in thermodynamics, this essay makes analysis on the solubility of hydronium compound and the acidity of hydrosulphuric acid.

用热力学中的晶格能、焓变、熵变及自由能的数据对离子化合物的溶解度和氢卤酸的酸性进行了分析。

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。

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。

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。

A Theorem of Entropy Change for Pairs of Independent Heterozygous Genes Population

多对独立杂合基因群体熵变的一个定理

A Discussion on the Effect of Enthalpy and Entropy Change upon Rational Process and Its Relative Contribution

谈焓变和熵变对自发过程的影响及其对△G的相对贡献

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

那就是说，混合后有熵变。

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.

Entropy Change of Central Black Holes of Accretion Disks and B Z Process

吸积盘中心黑洞的熵变与B-Z过程