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이윤종,이윤종,구경회 대한골대사학회 2019 대한골대사학회지 Vol.26 No.1
Background: Various pharmacological treatments have been suggested to treat osteonecrosis of the femoral head. However, their practicability remains a controversial issue. Methods: We systemically reviewed articles published during last 20 years to assess the efficacy and safety of the pharmacological treatments. Results: To date, enoxaparin, statins, bisphosphonates, iloprost and acetylsalicylic acid have been practiced for the treatment of osteonecrosis. However, none of them were proven to be effective by high level studies, and most of them have adverse reactions. Conclusions: No pharmacological prevention or treatment of osteonecrosis is recommendable at this moment.
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21세기 인종질서 속 동양인들의 위치 - 클레어 진 킴의 『반흑인 세계의 동양계 미국인』의 비교인종연구
이윤종 대중서사학회 2024 대중서사연구 Vol.30 No.1
본고는 클레어 진 킴의 2023년 신간, 『반흑인 세계의 동양계 미국인』(Asian-Americans in Anti-Black World)을 상세히 독해하며 21세기의 인종질서 속에서 동양인들이 점하는 위치에 대해 고찰해 보고자 한다. 킴은 코로나 19 감염병 유행 시기를 전후하여 미국 내에서 보다 극심해진 반흑인 인종주의가 미국과 전세계 인종질서 속에서 동양인의 위치성과 맺는 상대적 관계성에 대해 논한다. 2019년 말 중국 우한에서 발발한 코로나 감염병으로 동양인에 대한 혐오범죄가 폭증했다는 많은 보도가 있기는 하지만 실제로 목숨을 잃을 정도의 피해를 입은 동양인은 드물었다고 한다. 그러나 17세기 초에 노예제와 함께 시작되어 21세기에도 지속되고 있는 반흑인 인종주의는 팬데믹 기간 동안 오히려 많은 흑인들의 민권과 생명을 앗아갔다. 따라서 킴은 미국내 인종질서 속에서 동양인이 흑인에 대해 점하고 있는 비교 우위의 위치성은 백인에 의해 만들어진 것이고, 이러한 위치성은 백인과 흑인과의 위치성 비교와 상대적 관계성을 통해 규명될 필요가 있다고 주장한다. 미국 내에서 동양인들이 백인만큼은 아니더라도 흑인에 비해 상대적으로 유리하게 누릴 수 있는 이권들은 검은 피부를 지니지 않았다는 점에서 비롯된 것이 가장 크다는 것이다. 이에 따라 킴은 자신의 신간에서 중국인, 일본인, 한국인의 미국 이주사를 각종 사료 및 법정 자료, 문화예술 자료 등을 통해 되돌아보며, 이를 흑인 및 백인과의 비교 인종연구 속에서, 특히 반흑인 인종주의를 비판하는 관점에서 분석하는 방대하고 철저한 연구를 수행하고 있다. 본고에서는 이렇게 수행된 킴의 논의와 논지를 세세하게 독해하며 이를 미국 뿐 아니라 한국 사회와 동아시아에서의 인종화 현상과 연관시켜 어떻게 수용하고 논의할 수 있는지 비판적으로 들여다보고자 한다. This article examines the position of East Asians in the racial order of the 21st century by scrutinizing Claire Jean Kim's 2023 book, Asian-Americans in Anti-Black World. Kim explores the positionality of Asians in the racial order of the United States as well as of the globe under the impact of escalating anti-Black racism, exacerbated in the United States both before and after the COVID-19 pandemic. Although there have been widespread news reports of a surge in hate crimes against Asians in the U.S. due to COVID-19, which originated from Wuhan, China, relatively few Asians have suffered to the extent to lose their lives. In stark contrast, anti-Black racism, rooted in slavery from the early seventeenth century and persisting into the 21st century, continues to infringe upon the human rights and claim the lives of many Black individuals. Kim thus contends that the comparative advantages enjoyed by Asian-Americans relative to Blacks have been constructed by Whites, and this positionality of Asian Americans needs to be examined vis-a-vis that of Whites and Blacks in comparative perspectives. In other words, the comparative advantages of Asian-Americans to Blacks, which are also comparable to White’s absolute advantages, stems from not being black-skinned. In her latest book, Kim accordingly undertakes extensive and exhaustive research on the immigration histories of Chinese, Japanese, and Korean Americans in comparisons with Whites and Blacks, particularly in criticizing anti-Black racism in the United States by comprehensively referencing theories, historical materials, court records, and textual sources of arts and culture. Closely reading Kim’s arguments and discussions made by that research, this study critically delves into how we can apply and engage with the arguments and discussions by connecting them to Korean and East Asian societies.
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방사성 물질 등의 이용 증가에 따른 안전 관리 문제점 고찰
이윤종,이진우,정교성 한국방사선산업학회 2015 방사선산업학회지 Vol.9 No.2
More recently, companies that have obtained permission to use radioactive materialsor radiation device and registered radiation workers have increased by 10% and 4% respectively. The increased use of radiation could have an effect on radiation safety control. However, thereis not nearly enough manpower and budget compared to the number of workers and facilities. This paper will suggest a counteroffer thought analyzing pending issues. The results of this paperindicate that there are 47 and 31.3 workers per radiation protection officer in educational andresearch institutes, respectively. There are 20.1 persons per RPO in hospitals, even though thereare 2 RPOs appointed. Those with a special license as a radioisotope handler were ruled out aspossible managers because medical doctors who have a special license for radioisotope handlingnormally have no experience with radiation safety. The number of staff members and budget havebeen insufficient for safety control at most educational and research institutes. It is necessary tobuild an optimized safety control system for effective Radiation Safety Control. This will reducethe risk factor of safety, and a few RPOs can be supplied for efficiency and convenience.
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Performance Qualifications for the Beam in a 10 MeV Electron Accelerator
이윤종,윤진문,임윤묵,김병남,이상영 (사)한국방사선산업학회 2019 방사선산업학회지 Vol.13 No.4
The Advanced Radiation Technology Institute (ARTI) introduced an electron beamaccelerator capable of continuous radiation processing in 2018. The instrument can be used forempirical research to industrialize already developed radiation technologies. Radiation processinghas minimum absorbed dose requirements and maximum absorbed dose limits. It is important forradiation accelerators to maintain constant values for the device̓s operating parameters to meetthe absorbed dose required by the product (AAPM 1998). Therefore, an inspection (PerformanceQualification) of the accelerator performance is required, and the operation values of all processesneed to be set so that the absorption dose requirements can be met. To maintain dose requirementsduring the process, the processing variables need to be controlled: electronic energy, beam current,and parameters according to material handling (transfer vehicle speed or survey time), beamwidth, and characteristics of the processing process and conditions of investigation. In this study,the performance test of the electron-ray accelerators presented by the international standards ofISO/ASTM was carried out. Assessments include Electron Beam Energy, Average Beam Current,Beam Size (Beam Spot Size), Spoken Size and Homogeneity (Scan Size and Uniformity of Unit), andMoving Dose Assessment (Uniformity). This allowed individual measurements to be obtained withinthe allowable range for each item specified in ISO/ASTM 51649. Periodic inspection procedures willneed to be established to maintain a constant dose for the devices.
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