固体在一定温度下转变成液体。
即恒定体积，改变温度，这里恒定温度下。
Then we can take the derivative of that quantity, when we vary the temperature, holding the volume constant.
虽然我没有写出来，但是这些都是在恒定温度下的，对吗？
And I haven't written it in, but all of these are at constant temperature, right?
固定温度，这里是液相，从直线以上的某点出发。
T fixed. This is the liquid phase. So suppose I start with some high pressure up here somewhere.
本论文我们提出一种新的方法来定温度和电离度的演化。
In this paper, we proposed a new method to determine the evolution of temperature and ionization fraction.
重要的是，这是指你的宠物蜘蛛所需的特定温度和湿度。
It is important that you refer to the specific temperature and humidity needs of your pet tarantula.
周期：产品在炉中某特定温度下渗碳或硬化所需要的时间。
CYCLE time: Amount of time product spends in a furnace at specified temperature for the purpose of carburizing or hardening product.
切换您的设定温度从热热身可削减负荷的能源使用量的一半。
Switching your temperature setting from hot to warm can cut a load's energy use in half.
在一定温度范围内，土壤变暖提高土壤微生物活性及呼吸率。
Soil warming in a range of temperature will increase soil microbial activity and respiration rate.
居住建筑的室内温度总是在高于规定温度的一定范围内波动。
The indoor temperature of living buildings always fluctuates in a range above the specified temperature.
热水器有自动控制功能，当水达到设定温度的时候就自动断电了。
The water heater has self-control functions and cuts off power after the water temperature reaches the setting.
在真沸点蒸馏过程中，对规定温度范围内所收集的馏分可加以回收。
During the course of the TBP distillation, the distillates which accumulate between specified temperatures are withdrawn.
后续协定必然还会设定温室气体排放目标，以及实现这些目标的措施。
It will also surely have objectives for emissions of greenhouse gases, along with measures to achieve them.
绝对湿度是指在给定温度的情况下，空气中所含的水蒸气重量的绝对值。
Absolute humidity is a measurement of the total amount of water vapor in the air at a given temperature.
蒸馏的一般目的，是分离在任何给定温度下具有不同蒸汽压的诸物质。
The general objective of distillation is the separation of substances that have different vapor pressures at any given temperature .
所以你可以把它作为事实上，的系统状态的简并度，存在于某一特定温度下。
So you can think of this as the degeneracy of the system states that are actually going to exist at a particular temperature.
退火工艺的组成为把钢加热到一定温度并保持一段时间，通常再缓慢冷却。
The process of annealing consists of heating the steel to an elevated temperature for a definite period of time and, usually, cooling it slowly.
不过此后，由机器学习方面专家所设计的算法就能接班，开始自动设定温度。
But after that, algorithms designed by machine learning experts, set the temperature automatically.
还表明，在一定温度下，载荷-挠度曲线越陡，合金的抗弯强度一般也越高。
It was also found that at a fixed temperature the transverse-rupture strength of the alloy generally increased with the steepness of load-deflection curves.
长久的使用寿命：在额定温度、压力状况下，PE管道可安全使用50年以上。
Long Using Life: under the rated temperature and pressure, PE pipes may be used for over 50 years.
当溶液是纯水时，总压强应该等于纯水，在特定温度下的蒸汽压，我们让温度固定。
So when I have a pure water solution, the total pressure is going to be the same as the vapor pressure of water at a particular temperature Let's take temperature fixed at some value.
由于某些治疗艾滋病的药物必须在一定温度下才能长期保存，因此药物需要注意药物的存储。
Storage can be an issue as some anti-HIV drugs have to be kept below a certain temperature to last long term.
PTC陶瓷片设计保护温度，当温度超过设定温度时，PTC陶瓷片内部就会自动断开电源。
PTC ceramic chip designed to protect the temperature, when the temperature exceeds the set temperature, the PTC ceramic chip will automatically disconnect the power supply.
当潮湿空气遇冷降至一定温度时，其中包含的水蒸气便聚集成小水滴或小冰晶，它们组成了云。
Clouds form when humid air cools enough for water vapor to condense into droplets or ice crystals.
当潮湿空气遇冷降至一定温度时，其中包含的水蒸气便聚集成小水滴或小冰晶，它们组成了云。
Clouds form when humid air cools enough for water vapor to condense into droplets or ice crystals.
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