如果我们计算气体混合过程中熵的变化,我们会发现这个量是正的。
If we calculate the change in entropy during gas mixing, we will find that this quantity is positive.
对孤立系统,熵的变化是大于零的。
Change in entropy is greater than zero for an isolated system.
该算法通过种群熵的变化来判断过早收敛的发生。
The improved algorithm can find the occurrence of premature phenomena using the wave of population entropy.
作为算例,文章最后给出了菏泽5.9级地震过程中地壳形变熵的变化。
As a example, the change of entropy of crustal deformation in the process of Heze earthquake with magnitude 5.9 is given finally.
实际上如果我们计算气体混合过程中,熵的变化,我们会发现这个量是正的。
And we saw that in fact in this case delta S of mixing, we calculated it, saw that it is positive.
我们同样可以看到如果保持自由焓,和压强不变熵的变化dS也是大于零的。
H We also saw that dS for constant H and p was greater than zero.
应用有限时间热力学理论研究了发动机热力循环过程中由于外不可逆性导致的熵的变化。
On the basis of the finite time thermodynamics, the change of entropy due to the external irreversibility in engine heat cycle process was discussed.
但是同时熵的变化可能,支持反应向着具有更高熵更无序的方向进行,这就是最终达到的平衡。
But at the same time, entropy is going to be favoring whichever side has higher entropy, has more disorder, and there's a balance that's achieved.
我先写一些例子,例子包含一些内能,自由焓和熵的变化数值,然后看从中,我们能不能得到一些启示。
So, I just want to write a few examples down with a few values for delta u or delta H or delta S, and see whether we can get any clues from what we see.
对该式中各参数的分析表明:嵌锂电压主要取决于空位嵌锂能,嵌锂过程中的组态熵的变化对电压的贡献较小;
The results show that the voltage is affected mostly by vacancy intercalation energy, and that the configurational entropy has a small effect.
考虑到信息熵的变化趋势,得出语音识别时hmm状态数并非越多越好的结论,指出了汉语单字hmm的状态数取6为宜。
In isolated word recognition of Chinese considering the trend of information entropy the result is obtained that the number of the state in HMM about 6 is the best selection.
如果我们测量热力学量会发现自由焓的变化,等于4千焦,正4千焦。,delta,H,is,4,kiloJoules,,plus,4,kiloJoules。,熵增dS是45焦耳每开尔文。
If we measure the thermodynamics, we discover that dH Delta S is 45 joules per Kelvin.
所以,地球作为一个整体,是可以变得更加复杂的,因为太阳将光和热传递给它;相比地球自身的变化,地球的熵与太阳的核聚变关系更为密切。
Thus, our planet as a whole can grow more complex because thesun pours heat and light onto it, and the greater entropy associatedwith the sun’s nuclear fusion more than rebalances the scales.
在讨论热力学第三定律的时候,我们讨论过压强变化,即对于纯净的完美晶体,随着温度下降到绝对零度熵也变成零。
We looked at pressure change before, actually, in discussing the third law, the fact that the entropy goes to zero as the absolute temperature goes to zero for a pure, perfect crystal.
这告诉我们当温度变化时,如何得到熵的数值。
So that tells us what to do to know the entropy as the temperature changes.
好的,对特定的情况,我可以测量压强,确定熵,并且知道这就是变化的速率。
Well, I can, for any given case, measure the pressure, determine the entropy and I'll know what the slope of change will be.
我们发现自由焓的变化,为负92千焦,negative,92,kiloJoules。,熵增dS是负198焦耳每开尔文。
Well, here we get, we find that delta H is dH Delta S is negative 198 joules per Kelvin.
我们得到了自由焓的变化,和和熵增dS的符号与大小,of,delta,H,and,delta,S,如果我们想要计算内能的变化,会发生同样的事情。
So clearly, we've got signs and magnitudes dH and if we wanted to put delta u there, similar things would happen.
并从色谱热力学函数分析了保留指数随温度变化规律的主要原因是由于在色谱分离过程中不同的熵变和焓变所造成的。
The changing law of retention index with temperature from chromatographic thermal function resulted from the variation of the different entropy and enthalpy during the chromatographic separation.
基于尺度变化的熵计算,能快速的计算熵值。
Based on the change of entropy scale, it can quickly calculate the entropy.
磁熵变化值是衡量磁制冷材料好坏的一项重要指标。
The magnetic entropy changes were the benchmark for the application of the magnetocaloric materials.
本文指出了信息熵的大小随系统内子系统分布变化的特点,并对简单情况给出了证明。
The varies of information entropy with the change of the distribution of subsystems are pointed out, and the proof for some simple cases is given.
在仿真实现过程中,发现最大熵方法存在溢出的问题,通过变量变化法成功解决了此问题。
In the simulation process, the author found that the maximum entropy method exists overflow problem, and the problem was successfully resolved by variable change method.
二阶导数给出熵,随着变量变化的情况,这些变量包括压强或者体积。
Then the second derivative gives the change in entropy with respect to the variable that we're differentiating, with respect to which is either pressure or volume.
当气体从高压到低压在等熵下膨胀时所产生的气体温度的变化。
The change in gas temperature that occurs when the gas is expanded at constant enthalpy from a high to low pressure.
信息熵表征了在某一具体方向上的地形变化情况。
Information entropy indicates the terrain variety in a certain direction.
采用灰色关联熵分析法,分析了渣油在氧化过程中其四组分变化与沥青三大理化指标之间的关系。
The relation ship between the asphalt chemical make-ups and their employing performance by means of the grey relation entropy method is analysed.
这可能反映了地下流体构成的信息源系统在地震孕育和发生过程中的减熵有序变化。
This process reflects maybe the ordinal change of the entropy decreasing in the course of earthquake development and occurrence for a subsurface fluid information system.
描述了液-玻相变温区构型熵的温度变化规律及其与等压热容的关系。
Finally, the temperature relation of configurational entropy and isobaric capacity are described in the glass - liquid transition region.
描述了液-玻相变温区构型熵的温度变化规律及其与等压热容的关系。
Finally, the temperature relation of configurational entropy and isobaric capacity are described in the glass - liquid transition region.
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