kelvin; unit of thermodynamic temperature
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kelvin (K); SI base unit of thermodynamic temperature
Symbol: K. Named after William Thomson, 1st Baron Kelvin (Lord Kelvin, 1824–1907). One kelvin is defined by fixing the Boltzmann constant at exactly 1.380649×10⁻²³ J·K⁻¹. Absolute zero (0 K) is −273.15 °C. Commonly abbreviated as 开 (kāi) in Chinese.
Jué绝
duì对
líng零
dù度
děng等
yú于
líng零
kāi开
ěr尔
wén文
。
Absolute zero is equal to zero kelvin.
Shuǐ水
de的
sān三
xiàng相
diǎn点
bèi被
dìng定
yì义
wéi为
273.162
kāi7
ěr3
.
wén1
6
开
尔
文
。
The triple point of water is defined as exactly 273.16 kelvin.
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Yǔ宇
zhòu宙
wēi微
bō波
bèi背
jǐng景
fú辐
shè射
de的
wēn温
dù度
yuē约
wéi为
2.72
.
kāi7
ěr开
wén尔
文
。
The temperature of the cosmic microwave background radiation is approximately 2.7 kelvin.
Kē科
xué学
jiā家
jiāng将
yàng样
pǐn品
lěng冷
què却
dào到
háo毫
kāi开
ěr尔
wén文
de的
wēn温
dù度
。
The scientists cooled the sample to temperatures in the millikelvin range.