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词汇 absorptiometer
释义

Definition of absorptiometer in English:

absorptiometer

noun əbˌzɔːpʃɪˈɒmɪtəəbˌsɔːpʃɪˈɒmɪtə
Physics
  • An instrument for measuring the absorption of light or other radiation.

    〔物理〕吸收测定计

    Example sentencesExamples
    • Major products include Microplate washers, absorptiometers and fluorescence photometers, as well as software to control such equipment.
    • Measurement of hydrides with this absorptiometer is performed as follows.
    • Bone mineral density of the lumbar spine and femoral neck were measured with a dual-energy X-ray absorptiometer (Lunar Corp., Madison, Wisconsin), and scans were obtained at baseline and after 2 years of treatment.
    • The absorbency of nitric acid ions in the solution is measured using UV absorptiometer at a wavelength of 220 nm.
    • The analyzers act as absorptiometers measuring only in the 4.26 m and 2.60 m wavebands ensuring accurate, rapid and stable results.

Derivatives

  • absorptiometric

  • adjective əbˌzɔːpʃɪəˈmɛtrɪkəbˌsɔːpʃɪəˈmɛtrɪk
    Physics
    • Further studies are required and should lead to a confirmation of the interest of these absorptiometric indexes.
      Example sentencesExamples
      • Dual-energy x-ray absorptiometric measurements of BMC and BMD were made at baseline and at 6 and 12 months.
      • Using a gamma photon absorptiometric technique, a time-effect curve was constructed for the bed rest state.
      • One path utilizes existing absorptiometric equipment while the other relies on apparatus constructed specifically for the measurement of scattered light.
      • Two micro-mixers and a an absorptiometric flowcell were integrated into the one-chip device with dimensions of 24 mm × 10 mm × 2 mm.
  • absorptiometry

  • noun
    Physics
    • The commoner forms of these devices in Europe and North America include heel and forearm dual energy x ray absorptiometry and quantitative ultrasound at the heel.
      Example sentencesExamples
      • Bone mineral density of the lumbar spine and proximal femur were measured with dual energy x ray absorptiometry (QDR 1000, Hologic Inc, Waltham, Massachusetts).
      • Several different types of scans are available, including ultrasound, computerized tomography and dual energy X-ray absorptiometry.
      • To measure body fatness, one may use dual energy x-ray absorptiometry, densitrometry or bioelectrical impedance.
      • Gamma radiation was the original method of absorptiometry.
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