其结果显示了配体的质子化和金属配合物的形成受到焓变化的控制。
The result shows that both the protonation of the ligands and the formation of metal complexes are controlled by the change of enthalpy.
我可以测量它并制成表格,当我转动dT旋钮,我就知道焓的变化了。
Something I can measure and I can tabulate, and when I turn my dT knob, I know what's going to happen to the enthalpy.
因为实际上你在实验室里,测得的是焓的改变,就像你在研究某种能量变化时,所测量的那样,你测量的是能量的改变,对吧。
Because what you actually measure in the lab are changes in enthalpy, just like what you measure when you look at energy change of some sort, you measure the change in energy, right.
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.
这个方程把吉布斯自由能中的温度变化,和焓的变化联系起来。
And it relates the temperature change in the Gibbs free energy with the enthalpy change.
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.
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.
热焓的变化可以表达为各相比热和温度压力的变化。
The change in enthalpy may be expressed in terms of the specific heats of the phases and the temperature and pressure changes.
实验表明,在310 ~ 325 K出现的热焓松弛峰的峰高和峰温随存放时间的变化与冷却条件有关。
The experimental results indicated that the changes of height and temperature of the small endothermal peak appearing at 310-325k with storing time is relative to the cooling conditions.
采用焓法对组合式相变材料(PCM)储热系统的相变过程进行了数值计算,分析了组合式相变材料中各个PCM组分质量分数的变化对系统储热性能的影响。
The enthalpy method was employed to investigate the phase change process in a latent thermal energy storage(LTES) system using multiple phase change materials(PCMs).
考虑到氧压力对反应进行有重要影响,在标准自由焓与温度关系图中绘制了氧压力随温度变化的直线。
Considering oxygen pressure influencing the reaction greatly, the oxygen pressure line with temperature change was also drawn in the diagram above.
计算结果表明,随着溅射时氧分压的增加,薄膜的结晶活化能增加,而相应的非晶态与晶态之间的焓差则呈现出相反的变化趋势。
The results showed that the activation energy increased with the increase of oxygen partial pressure, while the enthalpy difference between the as-deposited and the crystalline states decreased.
利用时间分辨光声量热法测量了激光诱导人、牛,猪、马和兔的氧合血红蛋白光解反应的焓变和结构体积变化。
In this paper, the enthalpy and the conformational volume changes induced by laser photo-dissociation reactions of oxyhemoglobins of mammals, such .
等效焓降法计算汽轮机组效率相对变化量时,需选择变化基准。
In calculating the relative change of efficiency for steam turbines, it is essential to select the right change reference.
使用VOF方法对熔滴的自由表面进行跟踪和修正,使用焓-多孔介质的方法对熔滴内部凝固层的变化进行追踪。
VOF method was used to track and adjust the free surface of fused drop, enthalpy-porosity technique was used to track the growth of solidifying layer.
即使自由焓的符号发生变化,熵的符号也会发生变化,因为这两部分都起作用。
Even though the signs of the enthalpy changed, and the signs of the entropy changed because it's a combination of the two that matters.
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.
相发生变化时,焓也发生变化。
A change in enthalpy also takes place when a change of phase occurs.
相发生变化时,焓也发生变化。
A change in enthalpy also takes place when a change of phase occurs.
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