CAJ | 학술논문

目的探讨有用线束朝向迷路内墙的放射治疗机房的辐射屏蔽计算方法.方法根据国家职业卫生标准GBZ/T 201.2对某改建机房进行屏蔽计算,并与实际检测结果进行比较.结果迷路入口处瞬时剂量率的理论计算结果和实际检测结果,防护门内分别为89和86 μSv/h,防护门外分别为5.7和6.2 μSv/h,理论计算结果与实际检测结果具有较好的一致性.结论通过理论计算结果与检测结果的比较,验证了理论计算方法的准确性.
목적 탐토유용선속조향미로내장적방사치료궤방적복사병폐계산방법.방법 근거국가직업위생표준GBZ/T 201.2대모개건궤방진행병폐계산,병여실제검측결과진행비교.결과 미로입구처순시제량솔적이론계산결과화실제검측결과,방호문내분별위89화86 μSv/h,방호문외분별위5.7화6.2 μSv/h,이론계산결과여실제검측결과구유교호적일치성.결론 통과이론계산결과여검측결과적비교,험증료이론계산방법적준학성.
Objective To study the calculational method for the radiotherapy facilities of the medical linear accelerator' s useful beam towars its maze.Methods The shielding calculation was made under the relevant national standards for a radiotherapy treatment room and compared with the test results.Results The dose rates at the maze entrance as calculated and measured were 89 and 86 μSv/h inside the maze door,as well as 5.7 and 6.2 μSv/h outside the maze door,respectively.The calculated results were consistent with measured results.Conclusions By comparison of calculated results with measured results,the accuracy of the theoretical calculation method could be verified.