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나노크기의 ZrO<sub>2</sub>와 Graphite 분말 혼합체의 열탄소환원법에 의한 고분산 초미립 ZrC 분말의 합성
이화준,류성수,Lee, Wha-Jun,Ryu, Sung-Soo 한국분말야금학회 2013 한국분말재료학회지 (KPMI) Vol.20 No.2
Ultra-fine zirconium carbide (ZrC) powder with nano-sized primary particles was synthesized by the carbothermal reduction method by using nano-sized $ZrO_2$ and nano-sized graphite powders mixture. The synthesized ZrC powder was well dispersed after simple milling process. After heat-treatment at $1500^{\circ}C$ for 2 h under vacuum, ultra-fine ZrC powder agglomerates (average size, $4.2{\mu}m$) were facilely obtained with rounded particle shape and particle size of ~200 nm. Ultra-fine ZrC powder with an average particle size of 316 nm was obtained after ball milling process in a planetary mill for 30 minutes from the agglomerated ZrC powder.
재해대응과 민군관계: 도호쿠대지진과 일본의 문민통제를 중심으로
이화준(Hwajun Lee),박인보(Inbo Park) 육군사관학교 화랑대연구소 2021 한국군사학논집 Vol.77 No.1
This study examines the impact of disaster response on civil-military relations as the case of the Tohoku earthquake and Japan’s civilian control. It argues that natural disasters that can occur in systems other than politics that are not addressed as drivers of change in civil-military relations in existing studies can cause changes in civil-military relations. The recent change in Japan‘s civilian control system can be seen as a result of the addition of Japanese special feature, which is the Self-Defense Forces as not regular forces and bureaucratic characteristics. In conclusion the domestic emergency of Tohoku Earthquake served as an opportunity for Japan’s Self-Defense Forces to enhance its own professionalism and from an institutional and ideological point of view civilian control has weakened.
한국과 일본의 선택된 기억과 피해자의식: 양국의 기념관을 중심으로
이화준 ( Hwa Jun Lee ) 연세대학교 사회과학연구소 2014 社會科學論集 Vol.45 No.1
The history disputes is important point is located in Korea-Japan relation. The background of history disputes is connected to politics of memory. The politics of memory consider that memorial halls is result for collective memory and important role to make collective memory for shaping national identity. However, We need the study which is developed by something to collective memory. Therefore this paper observes memorial hall in Korea and Japan. In Korea, Independent Memorial Hall and Seodaemun Prison History Hall are typical memorial halls on colony memory. In Japan, Yaskuni shrine and Hiroshima peace memorial hall deal with memory of war. Independent memorial hall only commemorate independent of Korea from Japan imperialism and not historical place. Whereas, Seodaemun Prison History Hall is historical place which penetrated from Japan imperialism period to 60``s Korea modern history. Yaskuni shrine is to justify Japan militarism, and Hiroshima Peace Memorial hall commemorate to use Nuke-Bomb at first and last and sacrifice with japanese. That``s different to commemorate mode and subject in history. Although They share one idea which is victim consciousness. All memorial halls argue a strongly narrative with victim consciousness, Independent Memorial Hall is made for to show consciousness of sufferer by Japan imperialism, and Seodamun Prison History hall give prominence to part of place history when period is suffered by japan imperialism. Ushukan in Yaskuni shrine cherish japanese to sacrifice for japan imperialism without history by assailant with colony-crime. Hiroshima Peace Memorial hall show how to sacrifice Japanese who is far away from war in rear area. In other words, all politics of commemoration is begun by narrative of collective memory which is based on victim consciousness.
UN 대북제재에 대한 북한의 위기관리전략 연구 : 북한의 외교성명에 대한 텍스트마이닝 분석을 중심으로
이현지(Lee, Hyeonji),이화준(Lee, Hwajun) 고려대학교 아세아문제연구원 2021 亞細亞硏究 Vol.64 No.3
북한의 핵무기 개발을 저지하기 위해서 UN 안전보장이사회는 2006년부터 본격적으로 대북제재 결의안을 채택하기 시작했다. 그러나 UN 대북제재에 관한 연구는 제재의 실효성을 경험적으로 분석하는 것에 치중하고 있다. 하지만 UN 대북제재의 방향성을 전망하기 위해서는 대북제재에 대한 북한 당국의 인식과 대응 유형 파악이 필수적으로 선행되어야 한다. 따라서 본 연구는 UN 대북제재에 대한 북한의 인식과 대응을 우선적으로 분석하고자 하였으며 북한에 가해지는 UN 대북제재를 위기로 보고 북한이 이를 관리하는 방식으로 George의 위기관리전략 분석틀을 활용하였다. 분석 결과, 북한은 시간 벌기 전략, 기정사실화 전략, 팃포탯 전략, 공약 전달 전략, 제한적 떠보기 전략이라는 5가지 위기관리전략을 구사하였다. 공세적 위기관리전략에 해당하는 ‘기정사실화 전략’, ‘제한적 떠보기 전략’을 제외하고 북한은 대체로 수세적인 전략을 펼치며 UN 안보리 대북 제재에 대응하고 있음을 발견했다. To deter North Korea from developing nuclear weapons, the UN Security Council has been adopting sanctions resolution since 2006. To discuss the effectiveness of UN sanctions, it is not enough to analyze the change in Pyongyang’s economic scale with statistical figures. Finding out North Korea’s perception and responses to the UN sanctions is necessary to increase the effectiveness of the sanctions. On the basis of the limitation of existing researches, this study sought to first grasp North Korea’s perception and response to UN sanctions. This study set the UN sanctions as a crisis to North Korea, and analyzed the way North Korea manages the crisis based on George’s analysis of crisis management strategies. North Korea used five crisis management strategies: Buying time strategy, Fait-accompli strategy, Tit-for-tat strategy, Limited probe strategy, and Conveying commitment strategy. North Korea is found to deal with the crisis mostly with defensive strategies. While North Korea’s physical and verbal provocations toward South Korea and the United States seem offensive, network analysis confirmed that North Korea’s foreign policy is quite defensive.