So much of what we do in chemistry does take place with constant temperature and pressure.
我们在化学中所做的很多都是在恒定的温度和压强下进行的。
Then by chain rule, dpA/dp dpA/dP. Constant temperature.
考虑链式法则，还应该再乘以恒定的温度下的。
Constant temperature means isothermal, so this part means an isothermal process.
等温“指温度不变，这部分就是指一个等温过程。”
And I haven't written it in, but all of these are at constant temperature, right?
虽然我没有写出来，但是这些都是在恒定温度下的，对吗？
So for an ideal gas then, dH/dp under 0 constant temperature, that has to be equal to zero.
所以对于理想气体,偏H偏p在恒温下，等于。
Set the constant temperature according to the required temperature of absorption liquid.
根据吸收液要求的温度，设置恒温温度。
To ask questions like how much heat is released in a chemical reaction that takes place at constant temperature.
当我们想要知道，当一个化学反应在恒定的温度下发生时，会放出多少热量时。
So we already know that. So now we can write CpdT or differential dH as Cp dT plus dH/dp, pdp constant temperature, dp.
我们已经知道了这个，所以我们现在,可以写出H的微分式：dH等于，加上恒温时的偏H偏。
The measurement of velocity of the jet flow field is carried out with the TSI-IFA300 constant temperature anemometer.
利用TSI-IFA300热线风速仪系统对致动器喷口外的流场进行了测量。
The thermostat's main job is to allow the engine to heat up quickly, and then to keep the engine at a constant temperature.
节温器的主要任务是使发动机迅速预热，然后使发动机保持一个恒定的温度。
Thermal comfort exists if the human body in thermal equilibrium with its environment, implying a constant temperature of the body.
若人体与环境达成热平衡，以保持体温恒定，就谓之具有热舒适性。
The huge spring is very unique, for it is neither too cold nor too hot, with a constant temperature of about 20 degrees centigrade.
这里的巨泉很独特，因为它既不太冷，也不太热，常年温度保持在20摄氏度左右。
The scale on the constant temperature controller is for contrast temperature indication only; it is not a designator temperature scale.
恒温控制器之刻度，仅作温度对照指示，并非温度批示刻度。
That is, the large bulk of the animals would have allowed them to maintain a fairly constant temperature even without a high metabolism.
也就是说，这些庞然大物即使没有较高的代谢水平，也能保持一个相当恒定的温度。
The inside of a termite mound stays at near-constant temperature and humidity, no matter how wet, dry, scorching or freezing it might be outside.
不管外面的天气是潮湿还是干燥，是炙热还是严寒，白蚁巢穴的内部都可以保持恒温恒湿。
The only way of enlarging the applicable area is to study and produce new cooling material of constant temperature with high quality coefficient.
扩大应用范围的唯一途径是研究新型高优质系数的常温致冷材料。
Then the suspension of pl was mixed with HA solution and the complex was obtained after stirring under a constant temperature for a definite time.
即首先利用薄膜分散超声破碎法制备pl水分散液，然后与HA的水溶液混合，恒定温度搅拌一定时间得到复合物。
The box cover is provided with a temperature control system, in the constant temperature box rear drain valve and an external power supply socket.
箱盖上有控温系统，在恒温箱的后部是排水阀及外接电源插座。
It's a state function, so we're at constant temperature and pressure, and now we want to consider some chemical change or a phase transition or you name it.
这就是态函数，我们处于恒定的温度和压强之下，然后考虑某些化学变化或者相变，或者你想考虑的东西。
The stability of Tongxue oral liquid was studied with the method of constant temperature acceleration test according to the principle of chemical dynamics.
根据化学动力学原理，采用恒温加速试验法，对通血口服液稳定性进行了研究。
Whereas under these conditions, these quantities, if you look at free energy change, for example at constant temperature and pressure, H you can still calculate H.
但是，在这些条件下，这些物理量，如果我们考察自由能的变化,例如在恒定的温度和压强下，我们仍然可以计算。
A black body maintained at a constant temperature is a full radiator at that temperature because the radiation reaching and leaving it must be in equilibrium.
黑色物体在恒温条件下是温度的完全辐射器，因为到达和离开该物体的辐射量必须保持平衡。
So another important job of the cooling system is to allow the engine to heat up as quickly as possible, and then to keep the engine at a constant temperature.
因此冷却系统还有一个重要任务，就是让发动机迅速预热，然后，就让发动机保持恒定的温度。
The finite element model was established based on the small punch creep test of SS304 steel specimen in the condition of constant temperature and different loads.
对304不锈钢进行了恒定温度下多种载荷的小冲孔蠕变试验，在此基础上建立了304不锈钢小冲孔蠕变试样的有限元模型。
The finite element model was established based on the small punch creep test of SS304 steel specimen in the condition of constant temperature and different loads.
对304不锈钢进行了恒定温度下多种载荷的小冲孔蠕变试验，在此基础上建立了304不锈钢小冲孔蠕变试样的有限元模型。
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