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신응배,김미경,홍준혁,공동수 한국물환경학회 2004 한국물환경학회지 Vol.20 No.6
Biological phosphorus removal is characterized by complex interactions between different intracellular components of energy as PHA. Therefore, fundamental understanding of the behavior of the intracellular components and their influence on the removal of phosphorus is essential before control strategies to stabilize the proper process. The purpose of this study is to investigate relationship between release of phosphorus and synthesis of intracellular storage polymer. Mass of stored intracellular storage polymer was 21.2 ㎎ PHA/L, 28.8 ㎎ PHA / g MLSS. And phosphorus release/ intracellular storage polymer synthesis rate was 1.8545 ㎎ stored polymer/㎎ Phosphate. In the aerobic phase, mass of PAOs synthesis is 49.37 ㎎ PAOs/L. And PAOs fraction was 6.7-6.9%. Thus intracellular storage polymer synthesis by PAOs is calculated as 493㎎ PHA / g PAOs.
신혁수, 김동범, 박진근, 이인환, 조해용 충북대학교 산업과학기술연구소 2013 산업과학기술연구 논문집 Vol.27 No.2
A valve spring retainer is a small disc and located at intake and exhaust valve stem of engine. The retainer supports a valve spring and transmits spring force to a valve. Force is applied to the retainer repeatedly by a rocker arm. Durability of the retainer is an important factor of performance. Weight of retainer affect dynamic performance of engine. Therefore, optimal strength and weight of the retainer design are needed. In this study, stress distribution and fracture load of retainer were analyzed by using FEM to design optimal strength and weight. Static load test was simulated by using commercial FEM code DEFORM-3D. Shapes of the retainer to reduce weight were designed and analyzed to verify validity of it. Simulated results and experimental ones were compared
박재성,신동철,김주혁 창원대학교 체육과학연구소 2000 경남 체육연구 Vol.5 No.1
일반인의 장애인에 대한 의식도를 파악, 분석해 봄으로써 장애인들이 보다 밝은 생을 영위해 나가는데 필요한 기초자료를 제공하고, Gottlieb와 Corman의 설문자료를 참조하여 의식도에 관계되는 문항을 우리나라 여건에맞게 수정·보완하였으며, 199년도 부산광역시에 거주하는 시민으로서남자 387명과 여자171명 총 558명을 무작위로 추출한 결과 다음과 같은 결론을 얻었다. 1. 일반인의 장애인에 대한 인성의 인식도에서는성별, 연령, 교육수준에 의해서는 차이가 없으나, 종교인과 생활수준이 높은사람일수록‘친하게 지낼 수 있다’라고 나타났다. 2. 일반인이 장애인과의 공동생활여부에 대해서는성별과 연령은 무관하나, 종교유무, 교육수준, 생활수준에 의해서는 공동생활여부가결정되는 것으로 나타났고, 결혼여부에서는 성별, 교육수준, 생활수준에 의해서 차이가 있는 것으로 나타났다. 3.일반인의 장애인에 대한 체육활동 필요여부에서는 성별, 연령, 종교유무, 생활수준에 의해 차이가 나타났으며, 장애인의 직장생활에대한 성공여부로서는 성별, 연령, 교육수준, 생활수준에 의해 차이가 있는 것으로 나타났다. 4.장애인이 지역사회의 체육활동과 클럽행사 참여여부에 대해서는 연령, 종교유무, 생활수준과는 차이가 없으나, 성별, 교육수준에 의해서는차이가 있는 것으로 나타났다. 현재 장애인에 대한 편견을 버리고, 인간으로삶의 질을 향상시키기 위해서는 모두가 관심을 가지고 시설 확충이나 장애인을 위한 다양한프로그램을 제공해 줄 수 있도록 관계기관에서는 보다 많은 재원확보와 관심을 기울여야 할 것으로 사료된다.
지방척수수막류 14례의 임상 분석 : Clinical Analysis of 14 Cases
이정호,신규만,김명현,송준혁,박향권,김성학,박동빈 대한신경외과학회 1996 Journal of Korean neurosurgical society Vol.25 No.6
Lipomyelomeningocele is the most common malformation leading to spinal cord tethering. Nonetheless, these lesion continues to pose a challenge in patient management. The purpose of this study was to identify the clinical feature, candidate for surgical repair, and outcome of lipomyelomeningocele in young children and adults. We studied the magnetic resonance images and/or lumbar myelo-CT of lipomyelomeningocele performed between January 1987 and September 1995 at our institutions and reviewed the pertinent medical records and radiologic studies to determine clinical feature, surgical candidate, and outcomes of these patients. Of the 14 cases(11 female and 3 males) studied, the most common factor that caused these patients to seek help was the cosmetic effect of the mass on their back, followed by urinary incontinence, and weakness of lower extremities. The patients' age ranged from 2 months to 21 years(mean, 5.0 years). All the patients underwent immediate surgical management that consisted of removal of lipoma, untethering of the cord, and complete dural sac repair. Follow up for these patients ranged from 6 to 82 months(median, 54 mo). None of the patients that underwent surgical correction before the emergence of neurological deficit had ever developed neurological deficits at the end of the follow up. However a few of the patients, despite presented with neurological deficits or urinary incontinence at the time of surgery, improved significantly. In conclusion, early detection and prophylactic surgery is imperative to prevent permanent neurological deficits and urinary dysfunction.