Methods The entrance surface doses (ESD) to patients measured with TLD and the image quality of radiographic films were evaluated on the basis of CEC image quality criteria.

 
  • 方法 QC前后用熱釋光劑量探測器測量病人入射體表劑量,并用歐洲共同體(CEC) 影像質(zhì)量標準對已測量劑量的病人X 射線(xiàn)膠片影像質(zhì)量進(jìn)行評價(jià),做統計學(xué)分析。
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