等温的英文：
constant temperature
isothermal

参考例句：

Isothermal-isobaric gas chromatography
等温等压气相色谱(法)

Isothermal electron capture chromatography
等温电子俘获色谱(法)

The results have proved to be reliable in isothermal modelling tests.
通过等温模化试验证实这些结果是可靠的。

We say that a gas is isothermal if its temperature is the same throughout the volume it occupies
若气体在它所据有的全部体积内温度都相同，我们就称这气体是等温的。

constant是什么意思：
adj. 固定的；不停的，接连不断的
n. 常数；不变的事物

Matter is in constant motion and constant change.
物质总是在不断运动，不断变化的。

A constant guest is never welcome
常客令人厌

The market is in a constant state of flux.
市场行情在不断变化。

temperature是什么意思：
n. 温度，气温；高烧，发烧，发热；体温

The temperature climbed.
温度慢慢上升。

stack temperature
锅炉炉身温度

The capacitor surface temperature will not exceed the upper rated temperature.
电容器表面温度不许超过额定上限温度。

isothermal是什么意思：
a. 等温的,等温线的
n. 等温线

A process taking place at constant temperature is said to be isothermal.
温度恒定时发生的过程叫做等温过程。

Here are five ways to use sorption isotherms.
这是使用吸附等温线的五种方式。

The results have proved to be reliable in isothermal modelling tests.
通过等温模化试验证实这些结果是可靠的。