In ICRP 1990 Recommendations, a new weighting factor——radiation weighting factorW_R was introduced to replace the quality factor Q for modifying the absorbed dose averaged over atissue or organ.
在国际放射防护委员会(ICRP)1990年新建议书中,引入了一个新的权重因数——辐射权重因数W_R,以取代原来使用的品质因数Q,用于对组织或器官中的平均吸收剂量按辐射品质进行加权。
Objective To discuss error factor of the manufacture on baffle plate of radiation field and improve methods of quality assurance and quality control.
目的:探讨影响射野挡块制作的误差因素及完善质量保证和质量控制的方法。
When studying the process of heating glass, radiation coming from the conveying roller is a factor of vital importance, and it affects the quality of tempered glass.
在研究玻璃加热过程时,传动辊释放出的辐射热是个非常重要的因素,其大小与传动辊的温度有关,影响着钢化玻璃的质量。
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