现在约束改成了,绝热膨胀，或者压缩。
Our constraint is going to be an adiabatic expansion or compression.
通过绝热膨胀到，第3点。
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.
它们是热膨胀、汽化和介质击穿。
They are thermal expansion, vaporization and dielectric breakdown.
缝隙是留给铁轨发热膨胀用的。
大多数金属受热膨胀。
这个实验证明金属受热膨胀。
我们把这种不加进热量的膨胀称为绝热膨胀。
This kind of expansion, made without adding heat, is called an adiabatic expansion.
有热伸长的管道吊杆，应向热膨胀的反方向偏移。
Heating stretching pipe hanger should be fixed oppositely to the direction of the thermal expansion.
本文研究了单向纤维增强复合材料的热膨胀性能。
The thermal expansion properties of unidirectional fiber reinforced composites were studied in this paper.
锅炉的自然热膨胀中心是随着工况的变化而变化的。
The natural heat expansion center of boiler will change with the change of operation condition.
这时点燃的气体作近似的绝热膨胀而向下推动活塞。
The piston is now forced down, the burned gases expanding approximately adiabatically.
金属受热膨胀，但并未证明所有的金属受热都膨胀。
Heat expands metals but it's been proved that not all metals are expandable.
软模热膨胀法是制造复合材料的一种新型廉价成型方法。
Flexible thermal expansion molding is a new low-cost manufacturing technique of composite.
热膨胀：在不同地区的洋流变化和海表面气压也存在不同。
Thermal expansion: Changes in ocean currents and surface air pressure will vary from region to region.
这种阀门的作用在于释放由于水的热膨胀导致的过大的压力。
The function of the valve is to release any excess pressure from the system caused by thermal expansion of the water.
研究了热循环对铝基复合材料热膨胀和冷却收缩曲线的影响。
The effects of thermal circling on the curve of heat expansion and cold contraction are investigated.
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?
安全泄压阀用于通过泄漏阀或热膨胀防止容器的管子系统超压。
The purpose of the safety relief valve is to prevent over-pressuring of pipe systems of vessels either through leaking valves or due to thermal expansion.
当加热沸石时，由于热膨胀作用，正常的硅氧烷键也会存在张力。
Upon heating the zeolite, the normal siloxane linkage would also experience strain due to thermal expansion.
为了确定是否是热膨胀引起的，可以短暂开启冷水龙头进行测试。
To determine if this is the result of thermal expansion, try briefly opening the cold water tap.
内部和外部的干燥收缩和热膨胀，是从根本上关系到内部相对湿度。
Internal and external drying shrinkage and thermal dilation are fundamentally related to the internal relative humidity.
同时由于熔融石英本身的低热膨胀性，使其具有优良的抗热震性。
Because of the low expansion of fused quartz itself, the product possesses good thermal shock resistance.
必须按照图示安装压力安全阀，以防止由于热膨胀产生的过高压力。
A pressure relief valve must be installed as shown to prevent excess pressure by thermal expansion.
在光栅固定件中至少设置一个挠曲连接部，它允许基片热膨胀和收缩。
At least one flexure joint is provided in the grating mount which permits thermal expansion and contraction of the substrate.
热膨胀作为这类材料重要的、基本属性之一也得到了广泛深入的研究。
Thermal expansion, one of the most important and basic properties for MMCs, has also been studied widely and deeply.
主要阐述了钛酸铝材料的微观结构，以及热分解、热膨胀及其影响因素。
The microstructure, thermal decomposition, thermal expansion of aluminum titanate material and their effecting factors were described.
应用热膨胀测试、抗折强度测试和可见光透过率测试分析了微晶玻璃的性能。
The performances are studied by means of heat expansion testing, intension testing and visible light transmission testing and so on.
这种热膨胀，特别是液体中的热膨胀，会在设备中产生非常高而危险的压力。
This thermal expansion, particularly in liquids, can create very large and dangerous pressures in equipment.
经典大气热力学中的湿绝热过程和假绝热膨胀过程也只是它的一种特殊情况。
Of course, the moist adiabatic process and the pseudo adiabatic process in classical atmosphere thermodynamics are also its special instance.
应用推荐