V2EX tof

TOF

释义 Definition

TOF 多指 time of flight / time-of-flight(飞行时间):指粒子、信号或物体从发射到到达探测器/目标所经历的时间,常用于物理实验、雷达/激光测距、质谱(TOF-MS)等领域。
(另:在医学中 TOF 也常指 Tetralogy of Fallot「法洛四联症」,语境不同含义不同。)

发音 Pronunciation

/ti o f/

例句 Examples

The device calculates TOF in microseconds.
该设备以微秒为单位计算飞行时间(TOF)。

By modeling the TOF spectrum, the team improved the accuracy of the time-of-flight mass spectrometer.
通过对飞行时间谱(TOF谱)进行建模,团队提高了飞行时间质谱仪的测量精度。

词源 Etymology

TOF 是由短语 time of flight 的首字母缩写形成的字母词/首字母缩略词,在二战后随着雷达、粒子探测与分析仪器的发展而广泛进入科研与工程语境。

相关词 Related Words

文献与作品 Literary Works

  • Time-of-Flight Mass Spectrometry: Instrumentation and Applications(飞行时间质谱相关专著中常见 TOF)
  • Principles of Instrumental Analysis(《仪器分析原理》类教材中常见 TOF/TOF-MS 术语)
  • Mass Spectrometry: Principles and Applications(质谱学经典教材中频繁出现 TOF)
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