是条绝热路径，而上次你已经看到，沿着绝热路径温度和体积，的变化有这个关系。
And you already saw last time there was this relationship between the temperature and volume changes along an adiabatic path.
好，现在系统有恒定的温度，因为它是绝热的。
OK, so we have constant temperature, because it's isothermal.
我们知道在绝热膨胀过程中，系统温度会降低。
We know in an adiabatic expansion the system's going to cool.
现在我们知道了气体绝热膨胀时，温度会下载，为什么会降温？
So when I expand this gas adiabatically and it cools down, why do you think it might cool down?
热的食物应包装好，放置在一个绝热容器中，并将其保持在华氏140度的温度或以上。
Hot food should be wrapped well, placed in an insulated container, and kept at or above 140 f.
要实现这点，它就不会是绝热的，对吧，如果我想做到这点，我需要一个加热元件或什么制冷的东西，这样我才能让温度变化。
Now to make that happen, it's not adiabatic, right. If I wanted to do that, I'd need a heating element or something to cool, so I could make that temperature change happen, right.
被放置在量热计里面，它是绝热的，同样有一个温度计，让我们可以测量温度。
That'll be inside our calorimeter. It's insulated, and there's still a thermometer, so we can measure the temperature.
水泥周围的良绝热体又有利于温度的增高。
A good insulation around the cement favours an temperature increase.
“最高使用温度”就是绝热材料耐热性的依据。
"The highest use temperature" is the basis of heat resistance insulation materials.
这里的末态温度,与经过可逆绝热过程,到达相同压强的末态温度相比哪个比较高呢？
T2 Is the temperature T2 in this process smaller or larger than if I were to do the process reversibly with the same endpoint pressure.
这个绝热过程的温度是,比T1低，因为这是个膨胀过程。
T2 So this is an isotherm at some different temperature T2, a cooler temperature, because this was an expansion.
在一绝热系统中，放出的热量增加了房间的温度。
In an adiabatic system, this heat release serves to increase the chamber temperature.
讨论气体绝热节流过程中的温度效应时，一般要引入“转变曲线”这一概念。
The conception of "inversion curve" is usually introduced in the discussion of the temperature effect for adiabatic throttling process of gases.
厚模具内部的温度场接近绝热性质，其历史可用来确定反应动力和热力的相关参量。
The temperature field of inner part in thick mold approaches adiabatic nature, and its history can be used to determine the reaction dynamic and thermal parameters of reaction.
通过实验研究了多孔介质内往复流动下超绝热燃烧温度分布特性。
An experimental study was carried out on temperature distribution characteristics of superadiabatic combustion in porous media with reciprocating flow (RSCP).
被放置在量热计里面，它是绝热的，同样有一个温度计，让我们可以测量温度。
It's insulated, and there's still a thermometer, so we can measure the temperature.
计算压缩天然气绝热节流的温度降的关键是求解焦耳-汤姆逊系数。
The key to calculate the temperature drop induced by adiabatic throttle of compressed natural gas is to find the solution of the Joule-Thomson coefficient.
根据丙烷脱氢的平衡气体组成，模拟计算了在工业反应温度下、在不同氧浓度下的绝热燃烧压升。
According to the equilibrium composition propane dehydrogenation, we simulate the adiabatic combustion pressure rise at different industrial reaction temperature under different oxygen concentration.
煤气冷却的热力学极限是绝热饱和温度。
The limit on thermodynamics for gas cooling is the adiabatic saturation temperatures.
在利用等熵线计算冲击温度时，从冲击绝热线出发推导了一个半解析的等熵方程。
In the calculation of shock temperature by using isentropic curve, an isentropic equation which is consistent with the Hugoniot curve is developed.
当热管起动运行的一瞬间，加热段与绝热段温度出现一不变的温度段，冷凝段出现一大幅度的温度跳跃。
At the instant when heat pipe begins running, the evaporator and adiabatic section temperature have an unchanged region, while condenser temperature increases greatly.
试验温度越高，残余奥氏体稳定性越好，动态拉伸的绝热效应也抑制了残余奥氏体的形变诱发相变。
With the temperature rising, the stability of retained austenite gets higher and strain rate also can restrain the transformation of retained austenite.
采用有限差分方法，建立了基于混凝土绝热温升试验的早龄期混凝土温度场计算模型。
A finite difference model for predicting temperature fields in early age concrete is presented based on adiabatic test on concrete.
本文用该方法计算了有关绝热火焰温度和污染物排放问题。
In this paper temperature of adiabatic flame and emission of pollutants are calculated.
用幂级数展开法研究了具有两种温度绝热离子的冷尘埃等离子体体系的集体行为。
The power series expansion method is utilized to study the collective behavior in dusty plasma consisting of cold dust particles and two-temperature isothermal ions.
采用数值差分法可以求解出绝热层内部温度变化规律，从而推出储罐内液体的温度和压力的变化规律。
The equation was solved with the finite difference method and the variation of the temperature in the insulation layer was concluded.
人们观测到该层中存在逆稳和温度随高度超绝热变化。
It is in this layer that both temperature inversions and superadiabatic temperature variations with height are observed.
利用热力计算得到了绝热燃烧温度与氧化剂流率和药柱长度的变化规律，绝热燃烧温度随氧化剂流率的增加存在一最大值。
Adiabatic combustion temperature at various oxidizer mass flow rates and grain length is obtained by thermodynamic calculation and has a maximum as oxidizer mass flow rate increases.
计算表明，断口表面层绝热升温温度依然高于液相线温度。
The adiabatic heating induces the temperature of fracture surface layer to be higher than the liquidus temperature too.
计算表明，断口表面层绝热升温温度依然高于液相线温度。
The adiabatic heating induces the temperature of fracture surface layer to be higher than the liquidus temperature too.
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