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Item Metadata only Comparison of the dose distribution from cobalt-60 in spinal cord from different block techniques used for the treatment of nasopharyngeal carcinama(Mahidol University. Mahidol University Library and Knowledge Center, 1999) Chanida Phaettut; Ratana Pirabul; Charlee Kanistachart; Puangtong KraiphibulItem Metadata only Calibration and dose distribution of Co-60 high dose rate remote control afterloading brachytherapy machine (Ralstron-20B) in phantom(Mahidol University. Mahidol University Library and Knowledge Center, 2023) Prawat Padoongcharoen; Tweesak Reamsiri; Srichai Krusun; Ratana Pirabul; Paisarn SuwannakornItem Metadata only Accuracy of equivalent square method in cobalt-60 output calculation for various field sizes(Mahidol University. Mahidol University Library and Knowledge Center, 2023) Supoj Ua-apisitwong; Vipa Boonkitticharoen; Ratana Pirabul; Chirapha Tannanonta; Tasanee LayangkulItem Metadata only Computer calculation of cobalt-60 teletherapy planning(Mahidol University. Mahidol University Library and Knowledge Center, 1982) Kanjanee Sunyapridakul; Supachai Tangwongsan; Ratana Pirabul; Sivalee SuriyapeeItem Metadata only Assessment of reliability in conventional methods for cobalt-60 output calibration(Mahidol University. Mahidol University Library and Knowledge Center, 1991) Aroonsri Lieosuwan; Vipa Boonkitticharoen; Ratana Pirabul; Chirapha Tannanonta; Tasanee LayangkulItem Metadata only Computer calculation of dose for irregularly shaped fields for cobalt-60 teletherapy(Mahidol University. Mahidol University Library and Knowledge Center, 1988) Chumpot Kakanaporn; Chavalit Wongse-ek; Chirapa Tannanonta; Ratana PirabulItem Metadata only Dose perturbation at metal/tissue interface from coblat-60 teletherapy treatment(Mahidol University. Mahidol University Library and Knowledge Center, 1991) Amporn Funsian; Poungtong Kraipibul; Chirapha Tannanonta; Ratana PirabulItem Metadata only Dose distribution in chest wall irradiation by cobalt-60 teletherapy machine : comparison between traditional and couch rotation techniques(Mahidol University. Mahidol University Library and Knowledge Center, 2024) Kriangdate Boonlerluk; Chirapha Tannanonta; Puangtong Kraiphibul; Ratana Pirabul; Tasanee LayangkulItem Metadata only A programme for calculation of intracavitary dose delivered by RALSTRON CO-60 afterloading unit(Mahidol University. Mahidol University Library and Knowledge Center, 2023) Tawal Sooktalae; Wichit Kirdpon; Ratana Pirabul; Kijja ChongkitivityaItem Metadata only Comparison of Build-Up region doses in oblique tangential 6 MV Photon Beams Calculated by AAA and CCC Algorithms in Breast Rando Phantom(Mahidol University. Mahidol University Library and Knowledge Center, 2016) Pongapisit Masunun; Puangpen Tangboonduangjit; Nuanpen Damrongkijudomat 200 cGy total doses in breast Rando phantom with bolus covered (5 mm and 10 mm). Thermoluminescent dosimeters (TLDs) were calibrated with Cobalt-60 and used to measure the doses in irradiation process. The results in treatment planning showed... อีกทั้งยังมีการวัดปริมาณรังสีที่ได้รับจริงโดยใช้ทีแอลดี (TLD) ซึ่งเป็นตัววัดรังสีชนิดหนึ่งที่มีการสอบเทียบความถูกต้องในการนับวัดรังสีด้วยเครื่องโคบอลต์-60 ผลการศึกษาพบว่า ทั้งสองอัลกอริทึ่มสามารถคำนวณปริมาณรังสีบริเวณบิลด์อัพบนแรนโดแฟนทอม ส่วนเต้านมที่