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词汇 metrology
释义

Definition of metrology in English:

metrology

noun mɪˈtrɒlədʒiməˈtrɑlədʒi
mass noun
  • The scientific study of measurement.

    度量衡学,计量学

    Example sentencesExamples
    • As a result of the extremely small line width of less than 5 MHz, possible applications are also in spectroscopy, metrology, sensor technology, and atomic physics.
    • The pressure for standardization also affected metrology.
    • Spie, of course, is deeply involved in metrology in virtually any branch of optics or photonics you might name.
    • The Swedish physicist prized Michelson's use of his interferometer in metrology and, in particular, for determining experimentally the length of the international metre.
    • ‘There's demanding needs for optical metrology of nanoscale materials beyond electronics too,’ adds Parr.
    • A special symposium on photonics time and frequency metrology focused on the control and use of mode-locked lasers in producing frequency combs.
    • The EEI will allow program participants to determine the best approach to EUV wavefront metrology for tool manufacturing.
    • Environmental effects can be an issue in more conventional metrology applications as well, notes Robert Stoner, vice president of metrology and optical systems at Zygo Corp.
    • Whilst rarely thought of as technology in itself, metrology will continue to be a developing and defining feature of the next ten years: defining and setting common standards of measurement.
    • In the early 1880s, he used a wavelength of light to determine the length of the meter, a major refinement in metrology.
    • New instantaneous PMI techniques can operate in these production environments with success, but care must be taken regarding systematic errors to assure good metrology.
    • If PCFs fulfill their potential, they could have important applications in spectroscopy, metrology, biomedicine, imaging, and telecommunications.
    • He soon rose to be superintendent of the division at the NPL that covered metrology in general.
    • According to Lee, the AFM is just like those used for metrology except that it actually comes in physical contact with the photomask.
    • One example where improved metrology would be highly beneficial is in the commercial production of high-accuracy pressure-measuring instruments.
    • As LEDs and LED arrays become more prevalent in illumination and communications, precise metrology of these devices will become increasingly important.
    • The experiments represent initial steps in exploring a new system of measurement, atom-based metrology, in which single atoms are used as nanoscale probes to collect information about their environment.
    • We also divert a low-power sample of the radiation to obtain in-situ metrology.
    • Standardisation, quality assurance, metrology and testing of products are key to poverty reduction says the Zambia Bureau of Standards.
    • The company designs, sells and manufactures fibre-optic and laser products for a number of markets, including biotechnology, semi-conductor and scientific metrology.

Derivatives

  • metrological

  • adjective mɛtrəˈlɒdʒɪk(ə)lˌmɛtrəˈlɑdʒək(ə)l
    • In Kendal, Dalton started to keep a metrological journal, he made his own thermometers, barometers and other instruments.
      Example sentencesExamples
      • A new metrological device promises to speed the development of micromachines.
      • The GGTO determination algorithm was designed to use the standard GPS time transfer data whose format and computation procedure are standardized in the metrological community.
      • The book begins by giving tables of monetary and metrological units.
      • The 1907 Nobel Prize for Physics therefore went to Michelson for his ‘optical precision instruments and the spectroscopic and metrological investigations carried out with their aid’.
  • metrologist

  • noun
    • Today, two centuries later, the struggle for precision continues as metrologists devise ever more exacting techniques to measure quantities either so teeny or so gigantic that they had once been judged unmeasurable.
      Example sentencesExamples
      • Total system uncertainty is the statistical equation that describes how metrologists combine both systematic and precision error.
      • Cosmologist and metrologist Dr. John Hartnett points out that Ross is even wrong about the secular astronomy (personal communication).
      • About 100 government and industry metrologists from several states participated in these training seminars.
      • Since the metrologists know the structure of the crystal, the volume occupied by an atom can be known.

Origin

Early 19th century: from Greek metron 'measure' + -logy.

Definition of metrology in US English:

metrology

nounməˈtrɑlədʒiməˈträləjē
  • The scientific study of measurement.

    度量衡学,计量学

    Example sentencesExamples
    • If PCFs fulfill their potential, they could have important applications in spectroscopy, metrology, biomedicine, imaging, and telecommunications.
    • One example where improved metrology would be highly beneficial is in the commercial production of high-accuracy pressure-measuring instruments.
    • As LEDs and LED arrays become more prevalent in illumination and communications, precise metrology of these devices will become increasingly important.
    • As a result of the extremely small line width of less than 5 MHz, possible applications are also in spectroscopy, metrology, sensor technology, and atomic physics.
    • A special symposium on photonics time and frequency metrology focused on the control and use of mode-locked lasers in producing frequency combs.
    • The EEI will allow program participants to determine the best approach to EUV wavefront metrology for tool manufacturing.
    • We also divert a low-power sample of the radiation to obtain in-situ metrology.
    • New instantaneous PMI techniques can operate in these production environments with success, but care must be taken regarding systematic errors to assure good metrology.
    • The experiments represent initial steps in exploring a new system of measurement, atom-based metrology, in which single atoms are used as nanoscale probes to collect information about their environment.
    • The Swedish physicist prized Michelson's use of his interferometer in metrology and, in particular, for determining experimentally the length of the international metre.
    • The company designs, sells and manufactures fibre-optic and laser products for a number of markets, including biotechnology, semi-conductor and scientific metrology.
    • He soon rose to be superintendent of the division at the NPL that covered metrology in general.
    • The pressure for standardization also affected metrology.
    • Standardisation, quality assurance, metrology and testing of products are key to poverty reduction says the Zambia Bureau of Standards.
    • Environmental effects can be an issue in more conventional metrology applications as well, notes Robert Stoner, vice president of metrology and optical systems at Zygo Corp.
    • In the early 1880s, he used a wavelength of light to determine the length of the meter, a major refinement in metrology.
    • ‘There's demanding needs for optical metrology of nanoscale materials beyond electronics too,’ adds Parr.
    • Spie, of course, is deeply involved in metrology in virtually any branch of optics or photonics you might name.
    • According to Lee, the AFM is just like those used for metrology except that it actually comes in physical contact with the photomask.
    • Whilst rarely thought of as technology in itself, metrology will continue to be a developing and defining feature of the next ten years: defining and setting common standards of measurement.

Origin

Early 19th century: from Greek metron ‘measure’ + -logy.

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