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positron emission中文什么意思

发音:   用"positron emission"造句

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  1. Positron emission tomography
    正电子发射断层照相术
  2. Radiation protection monitoring for positron emission tomography and cyclotron room in a hospitol
    及医用回旋加速器机房的辐射防护监测
  3. This is the mathematical basis of computed tomography and positron emission tomography
    这是计算机层析成像和正电子层析成像的数学基础。
  4. The role of delayed imaging of positron emission tomography on differentiation of abdominal and pelvic lesions
    正电子发射断层延迟显像在腹部和盆腔的应用
  5. Quality control of nuclear medicine instruments - part 4 : constancy testing of positron emission tomographs
    核医疗测量系统的质量检验.第4部分:正电子放射x线体

百科释义

    Positron emission or beta plus decay (β+ decay) is a particular type of radioactive decay (and a subtype of beta decay), in which a proton inside a radionuclide nucleus is converted into a neutron while releasing a positron and a neutrino (specifically an electron neutrino, νe). It is mediated by the Weak Force.
    详细百科解释

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