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A Design Study of The Energy Selection System for Carbon-ion Therapy
한가람,안동현,홍봉환,김근범,임희정,장홍석,정인수,강건욱,남상훈,박인규 한국물리학회 2015 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.66 No.3
KHIMA, a research project to construct a carbon radio-therapy facility in Korea, has been developinga superconducting cyclotron named KIRAMS-430 as a carbon(12C6+) particle accelerator. Due to the fixed beam energy of the cyclotron, an energy selection system (ESS) is required fortreatment of tumors located at various depths in the human body. In the present paper, two designstages of the ESS are discussed. First, the beam tracks behind the degrader block and the statisticaltwiss parameters for the entire energy range were calculated by using the GEANT4 simulationtoolkit. Analysis of the beam transmission and the contamination ratios were performed. In thesecond stage, the beam optics was designed to support the same phase profile at the end regardlessof the variations in all of input twiss parameters and the emittance.
인지손상을 동반한 만성 뇌졸중환자의 메타인지전략 과제훈
한가람,김규용,최영은,고태성 대한치료과학회 2018 대한치료과학회지 Vol.10 No.2
Objective: The purpose of this study is to compare the effects of the CO-OP program using cognitive strategy on the satisfaction and high-level cognitive function of chronic stroke patients with cognitive impairment with the existing task-oriented approach training method. Method: The group randomly selects the experimental group and control group from 30 patients who suffer cognitive damage due to brain damage, and then randomly presents the Cognitive Orientation to daily Occupative Performance (CO-OP) Results: The results of the study showed a significant increase in patient performance and satisfaction, task performance, and high-level cognitive functions in comparison to those before training (p<).05) There was no significant difference in CNT testing in controls; Although there were no significant differences in overall CNT testing between the two groups, the COPM, AMPS tests showed a significant increase in the experimental group compared to the comparators (p <.05). Conclusion: The Cognitive Orientation to Daily Occupative Performance (CO-OP) Intervention Act, which uses meta-in strategies, was previously used. We were able to confirm that it could be a more effective intervention in task performance and high-level cognitive function than in the Meaningful Task-Specific Training Program (MTST).