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이진형,최순옥,박우현,Lee, Jin-Hyung,Choi, Soon-Ok,Park, Woo-Hyun 대한소아외과학회 2006 소아외과 Vol.12 No.2
Abdominal cystic lymphangiomas arising from the mesentery, omentum and retroperitoneum are rare and occasionally confused with other cause of acute abdomen. Sixteen children who underwent surgery for abdominal cystic lymphangioma between 1984 and 2005 at the Division of Pediatric Surgery, Keimyung University Dongsan Medical Center were evaluated retrospectively. There were 9 boys and 7 girls. Age ranged from 12 days to 13 years (mean age: 4.7years). The cysts were located in the omentum (4 cases),mesentery (9 cases: jejunum: 3, colon: 6). retroperitoneum (2 cases) and pelvic cavity (one case). The cyst content was hemorrhagic (8 cases), serous (5 cases), and inflammatory (2 cases), and chyle (one). Prenatal diagnosis was made in 3. The clinical features were variable, but abdominal pain, mass, and abdominal distention in order. There were 3 emergency operations in patients with complicated cyst, who were suspected of having panperitonitis and volvulus preoperatively. Complete excision was accomplished in all cases. There was one mortalityin a newborn with E.coli sepsis. Intestinal obstruction developed in 2 cases in long-term follow-up. No recurrence was observed. Although intraabdominal lymphangioma arising from mesentery, omentum and retroperitoneum are rare, it should be considered as a possible cause of acute abdomen.
고로슬래그 골재를 사용한 다공성 콘크리트의 물리·역학적 특성에 미치는 고로슬래그 미분말, 황토 및 보강섬유의 효과
이진형,박찬기,Lee, Jin-Hyung,Park, Chan-Gi 한국농공학회 2010 한국농공학회논문집 Vol.52 No.5
The effects of blast furnace slag, hwang-toh, and reinforcing fiber on the physical and mechanical properties of porous concrete using blast furnace slag coarse aggregates have been evaluated in this study. The effect of the depending on replacement ratio of blast furnace slag to cement was investigated such that the replacement ratio was varied to 0 %, 25 % and 50 %. Also, the replacement ratios of hwang-toh were 0, 20 and 30 %. The polyvinyl alcohol fiber was used for the reinforcing fiber. A series of pH, unit mass, and void ratio tests have been performed to study the physical properties of the porous concrete using blast furnace slag coarse aggregates with the polyvinyl alcohol fiber and the replacement ratios of blast furnace slag, hwang-toh, while a series of compressive tests have been performed to evaluate the strength property depending on polyvinyl alcohol fiber and the replacement ratios of blast furnace slag, hwang-toh. The test results indicated that the physical and mechanical properties of porous concrete using blast furnace slag coarse aggregates is affected by the replacement ratio of blast furnace slag, and the fiber contents. According to the tests with polyvinyl alcohol fiber contents, the void ratio was decreased and the compressive strength was upgraded.
국립공원공단 탐방업무 담당자들의 핵심역량에 대한 인식 - 수정된 IPA의 적용 -
이진형(Lee, Jin-Hyung),황두현(Hwang, Doo-Hyun) 한양대학교 관광연구소 2021 觀光硏究論叢 Vol.33 No.1
이 연구는 민간관광기업의 인적자원개발에 대한 연구에 비해 관광공기업의 인적자원개발에 대한연구가 부족하다는 문제의식에서 시작되었으며, 수정된 IPA을 통해 국립공원공단의 탐방업무 담당자들이 인식하는 핵심역량에 대한 요인별 중요도와 준비도를 파악하여 교육훈련에 대한시사점을 제공하는 것을 목적으로 하였다. 이러한 연구목적을 달성하기 위해 이 연구에서는 선행연구를 바탕으로 국립공원탐방업무 담당자들의 핵심역량을 파악하기 위한 32개의 설문 문항을 사용하여, 국립공원공단에서 탐방업무를 수행하고 있는 인력에 대한 전수 설문조사를 실시하였다. 회수된 85명의 설문조사자료에 대한 요인분석 결과 탐방 업무 담당자들의 핵심역량은 ‘해설원고 및 매체제작역량’, ‘이해관계자간 소통 및 협업 역량’, ‘탐방프로그램 운영 역량’, ‘자기개발 및 지역협력 역량’, ‘탐방자원 탐구역량’, ‘탐방프로그램 기획 및 평가 역량’ 등 6개의 하위요인으로 묶여졌다. 수정된 IPA의 분석결과 ‘해설원고 및 매체제작역량’, ‘이해관계자와의 소통 및 코칭 멘토링 역량’, ‘탐방프로그램 운영 역량’은 우리나라 국립공원공단탐방업무 담당자들이 지속적으로 유지해야 할 하위핵심역량으로 나타났으며, ‘자기개발 및 지역협력 역량’의 경우 집중해야 할 영역으로 분류되었고, ‘탐방프로그램 기획 및 평가역량’과 ‘탐방자원 탐구역량’은 저순위 역량으로 위치 지어 졌다. 결론부분에서는 이러한 연구결과에 바탕으로 시사점과 추후연구방향이 논의되었다. This study was initiated from the awareness of lacking on the research on human resource development of public tourism corporations compared to that of private tourism companies. The purpose of this study was to identify core competencies recognized by Korea National Park Service(KNPS)’s visitor service and interpretation officers. Based on the review of the previous studies, 32 questionnaires were used to delineate the factors of core competencies and 85 current KNPS personnel participated in the survey. Results of factor analysis identified six core competence factors including ‘interpretation manuscript writing and media development skills’, ‘technique for interpretation program operation’, ‘communication, coaching and monitoring skills’, ‘planning and evaluation skills’, ‘self development and community outreach skills’, and ‘ability to find and assess resource knowledge.’ A revised IPA(Important Performance Analysis) determined that ‘interpretation manuscript writing and media development skills’, ‘technique for interpretation program operation’, ‘communication, coaching and monitoring skills’ are sub-core competencies that should be maintained while ‘self development and community outreach skills’ was classified as a competency that needs to be focused to upgrade. Implications and future research directions was discussed at the end of this article.