V2EX kilopascal

Kilopascal

释义 Definition

kilopascal(kPa)千帕,压力(或应力)的单位,等于 1000 帕斯卡(Pa)。常用于气象(气压)、工程与材料(应力)、流体与真空测量等场景。(更广义的单位还有 MPa、bar、atm 等。)

发音 Pronunciation

/klpskl/

例句 Examples

The tire pressure is 220 kilopascals.
轮胎气压是 220 千帕

At sea level, atmospheric pressure is about 101.3 kilopascals, though it changes with weather and altitude.
在海平面,大气压大约是 101.3 千帕,不过它会随天气和海拔而变化。

词源 Etymology

kilo- 来自希腊语 khilioi,表示“一千”;pascal 源自法国科学家 布莱兹帕斯卡(Blaise Pascal)的姓氏。pascal(帕)是国际单位制中压力单位,因此 kilopascal 字面意思就是“一千帕”。

相关词 Related Words

文学与著名作品 Literary Works

“kilopascal / kPa”更常见于科学与工程类经典读物、标准与报告中,例如(常用于图表与数据单位):

  • Fundamentals of Physics(Halliday, Resnick & Walker,《物理学基础》)
  • Introduction to Fluid Mechanics(Fox & McDonald,《流体力学导论》)
  • CRC Handbook of Chemistry and Physics(CRC《化学与物理手册》)
  • IPCC Assessment Reports(政府间气候变化专门委员会评估报告,气压与相关数据常用 kPa 标注)
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