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Check Source를 이용한 HPGe감마핵종분석시스템의 자체흡수 보정방법 연구
박정수,임효진,서현수,장다빈,김명준,이상복,안성민 대한방사선과학회 2022 방사선기술과학 Vol.45 No.6
Gamma spectroscopy analysis is widely used for radioactivity analysis, and various factors are required for radioactivity calculations. Among the factors, K3 for each sample significantly influences the results. The previous methods of correcting the self-absorption effect include a computational simulation method and a method that requires making a CRM(certified reference material) identical to the sample medium. However, the above methods have limitations when used in small institutions because they require specialized program utilization skills or high manufacturing costs and large facilities. The aim of this study is to develop a method that can be easily and rapidly applied to radioactivity analysis. After filling the beaker with water, we placed the radiation source in a uniform position and used the measured value as the benchmark. Next, a correction factor was derived based on the difference in the radiation source count of the benchmark and the identically measured sample. For the radiation source, Eu-152, which emits a broad range of energy within the measurement range of gamma rays, and Cs-134 and Cs-137, which are indicator nuclides in environmental radiation analysis, were used. The sample was selected within the density range of 0.26–2.11 g/cm3, and the correction factor was derived by calculating the count difference of each sample compared to the reference value of water. This study presents a faster and more convenient method than the existing research methods for determining the self-absorption effect correction, which has become increasingly necessary.
신체 생체 지표를 이용한 사상체질 판별 연구 - 한의 코호트 연구를 중심으로
박정수,성현경,신선미,고호연,이시우,백영화 대한예방한의학회 2019 대한예방한의학회지 Vol.23 No.3
Objective : The study aimed to report the results of workplace-based Korean Medicine cohort, The cohort collected the health information including physical measurements, questionnaires, and biomarkers. Method : This study was conducted on 200 faculty members of two hospitals and two universities in 2017 through 2018. The study analyzed physical measurement, cold-heat questionnaire, body compositions and pulse characteristics. Result : The heat-cold score, waist circumference, visceral fat area, and body water were different according to the Sasang constitution, in order of Taeum > Soyang > Soeum. The pulse energy difference was shown only in women. Conclusion : There were differences in body composition such as heat point, waist circumference, internal fat area and body water content by constitution, and also difference by body mass in total energy in pulse examination. It is believed that there were significant relation between physical, physical and energy metabolic aspects through Sasang constitution.
중화(中華) 민족주의와 동아시아 문화갈등: 역사와 문화의 경계짓기
박정수 한국국제정치학회 2012 國際政治論叢 Vol.52 No.2
본 연구는 최근 동아시아 지역에서 심화되고 있는 문화갈등을 중화(中華) 민족주의와의 관계 속에서 살펴보고자 한다. 본 연구는 아직까지 중국에는 55개 소수민족을 모두 아우르는 중국민족이 존재하지 않는다는 전제에서 출발한다. 중국민족이 존재하지 않기 때문에 민족국가는 성립될 수 없다는 것이다. 따라서 중화 민족주의의 핵심이 바로 56개 전체 민족에게 ‘상상되는(imagined)’ 중국민족의 형성에 있다고 보고, 중국 정부가 국가 안의 모든 구성원들에게 상상되는 중국민족 즉, ‘중화민족(中華民族)’을 인위적으로 형성하고자 하는 과정에서 동아시아 주변국들과의 문화갈등을 야기하고 있다고 본다. 이를 위해서 본 연구는 민족주의 발생의 기본적 원칙에서부터 시작해서 1980년대 말부터 부상하고 있는 중화 민족주의가 어떻게 동아시아 문화갈등을 심화시키고 있는지를 연역적으로 도출해볼 것이다. This paper reviews the cultural conflicts of 'Sinocentric nationalism' in East Asia, where the cultural conflicts have recently increased, and as a result have caused serious diplomatic problems. This study starts from the presupposition that China doesn't have a single Chinese nation that includes 55 ethnic minorities as well as the Han majority. Therefore, this study suggests that the main purpose of 'Sinocentric nationalism' from the late 1980s has been to make the Chinese nation 'imagined' to all the ethnic minorities in her territory. This has created an artificial manipulation by the Chinese government and the artificial manipulation has caused cultural conflicts with the surrounding nations in East Asia.