critical temperature
critical temperature — 名詞
1. the temperature above which no amount of pressure will squeeze a gas back into l
臨界溫度
氣體無法再被壓成液體的上限溫度
the temperature above which no amount of pressure will squeeze a gas back into liquid form.
Carbon dioxide has a critical temperature of about thirty-one degrees Celsius.
二氧化碳的臨界溫度大約是攝氏三十一度。
the critical temperature of [substance]
Above its critical temperature, the gas refused to turn into a liquid under any pressure.
在臨界溫度以上，無論施加多大壓力，這種氣體都不肯變成液體。
above its critical temperature, [no liquid forms]
Sofia cooled the steam until it dropped below the critical temperature and became water.
Sofia 把蒸氣冷卻到臨界溫度以下，它就變成了水。
Engineers keep the tank below the critical temperature to store the fuel as a liquid.
工程師把這個儲槽維持在臨界溫度以下，才能把燃料以液態儲存。
The students measured the critical temperature of water at just over three hundred degrees.
學生們測出水的臨界溫度略高於三百度。
- critical point
the full pressure-temperature point; critical temperature is just its temperature part
文法句型
the critical temperature of [substance]
用法筆記
Subject is usually a named substance (water, oxygen, carbon dioxide). Distinguish from sense 2, which is about a solid changing its internal structure rather than a gas failing to liquefy.
常見錯誤
2. the temperature at which a solid switches from one internal arrangement of its a
臨界溫度
固體內部結構發生轉變的溫度
the temperature at which a solid switches from one internal arrangement of its atoms to another, such as when iron stops being magnetic.
Iron loses its magnetism once it is heated past its critical temperature.
鐵一旦被加熱超過臨界溫度，就會失去磁性。
heating a solid past its critical temperature
At the critical temperature, the metal's atoms rearrange into a new crystal pattern.
在臨界溫度時，這種金屬的原子會重新排列成新的晶體結構。
atoms rearrange at the critical temperature
Kwame recorded the exact critical temperature at which the steel sample changed its structure.
Kwame 記下了這塊鋼樣本改變結構時的確切臨界溫度。
Below the critical temperature, the alloy keeps its original hard and brittle form.
在臨界溫度以下，這種合金保持原本又硬又脆的形態。
- transition temperature
broader term for any point where a material's phase or form changes
- Curie point
the specific critical temperature where a metal loses its magnetism
文法句型
the critical temperature for [transition]
用法筆記
Only sense that describes a solid reorganising its atoms; the magnetic version is also called the Curie point. Distinguish from sense 1, where a gas fails to become a liquid.