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박춘만(C. M. Park),강세권(S. K. Kang),이경복(K. B. Lee),김철구(C. K. Kim),남균(K. Nahm),장경호(K. H. Chang),김윤배(Y. B. Kim),김창석(C. S. Kim) 한국자기학회 1992 韓國磁氣學會誌 Vol.2 No.1
Deuterium was injected into melt-spun ribbons of α-Fe_(90)Zr_(10) using the electrolytic hydrogenation method, and the magnetic properties of these α-DxFe_(90)Zr_(10) ribbons were studied. By comparing these results with those of α-HxFe_(91)Zr_9, the effects of phonons to magnetic properties were investigated. The Curie temperature Tc and the spontaneous magnetizations of the D_(47)Fe_(90)Zr_(10) and the Fe_(90)Zr_(10) were studied using the Mossbauer spectroscopy. From these investigations, it was found that the Curie temperature of DxFe_(90)Zr_(10) was 75K higher than that of Fe_(90)Zr_(10). It was believed that this indicated the importance of local deformation to the amorphous magnetism. Also by comparing the spontaneous magnetizations of D_(47)Fe_(90)Zr_(10) with those of Fe_(90)Zr_(10) as a function of temperature, it was found that the deuterium injection reduced the fluctuation of exchange integral.
도시철도 현장 안전확보를 위한 선로전환기 개소 원격통화시스템 구축
김지찬(J. C. Kim),양성용(S. Y. Yang),장창국(C. G. Jang),이경복(K. B. Lee),김사훈(S. H. Kim) 한국철도학회 2016 한국철도학회 학술발표대회논문집 Vol.2016 No.5
도시철도 신호시스템은 운행열차의 속도 향상과 고밀도 운행을 위해 별도의 제어구간을 설정하여 운영하고 있다. 해당 제어 구간은 신호 취급실을 구축하여 기계실과 현장의 신호설비의 상태 모니터링과 제어를 수행하게 된다. 현장 설비의 유지보수 점검이나 고장 또는 장애 발생에 따른 조치 과정에서 취급실 취급자와 현장 작업자간의 상호 긴밀한 의사 소통이 필요하다. 현재 간이통화장치가 본선 선로전환기를 기준으로 설치되어 운용되고 있으나, 해당 연동역 신호 취급실에서만 통화가 가능하다. 열차가 통과하는 연동역의 경우 취급자가 없어 간이통화장치를 사용할 수 없고, 작업자가 별도의 통화장치를 준비해야 하는 불편함을 초래하게 된다. 본 논문에서는 기존 통화장치가 지닌 기능의 한계성을 극복하기 위해 다른 연동역 취급실과도 통신이 가능한 선로전환기 개소 원격통화 시스템에 대한 기능과 구축 현황에 대해 소개하고자 한다. Urban rail signal system is set up and operated by a separate control section for speed and high density operation of the train. Control section has a signal control room is built, and performs the monitoring and control of the signaling equipment. When signal equipment failure occurs, between signal control room and on-site requires communication closely. Currently simple communication device is installed and operated, but performance is limited. This paper introduce the features and construction of the remote communication system in railway point.
이경복,전명권,김용봉,박성관 인제대학교 1989 仁濟醫學 Vol.10 No.4
자충탈은 질축을 따라서 자궁경부와 자궁이 하강하는 것을 일컫는데 노령기 여성에서 흔하다. 저자들은 최근 3년간 본 교실에 입원하여 수술을 시행받는 자궁탈 환자 50예를 대상으로 임상적으로 조사 분석하였다. This study was undertaken for the clinical evaluation and statistical analysis on the 50 patients with uterine prolapse who had been treated at the Seoul Paik Hospital from Jan. 1, 1985 to Dec. 31, 1987. The results obtained were as followed : 1.The incidence of uterine prolapse was 2.59%. 2.The highest group of age distribution at the time of operation was 51 to 60 years(44%). 3.The highest group of degree of uterine prolapse was the 3rd degree(68%). 4.The highest group of parity was over 4(82%). 5.The feeling of a prolapsed mass was the most common symptom(74%). 6.Out of 50 cases of uterine prolapse, 33 cases (66%) were treated by vaginal hysterectomy with anterior and posterior repair, the remainder were treated by vaginal hysterectomy with anterior repair. 7.The postoperative pathologic findings were hyperkeratosis and parakeratosis 23 cases(46%), acanthosis 15 cases(30%), cervicitis 8 cases (16%), leiomyosis 1 case(2%), and adenomyosis 1 case(2%).