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      • NSIP와 BOOP의 고해상전산화단층촬영 소견과 비교

        백상현,박재성,차장규,홍현숙,김대호,박성진,조준희,이혜경,최진수 순천향의학연구소 2003 Journal of Soonchunhyang Medical Science Vol.9 No.2

        Purpose: BOOP and NSIP also share similar clinical features such as subacute flu-like illness, the finding of bronchoalveolar lavage, the result of pulmonary function test and more favourable outcome than usual interstitial pneumonia(UIP). The author try to compare the HRCT findings of NSIP with BOOP by pattern and distribution of diseases. Materials and Methods: HRCT findings of histopathologically proven NSIP(Group Ⅰ; 6, Group Ⅱ; 7, Group Ⅲ; 2) in 15 patients(5 male, 10 female, age range, 39-69 years; mean age, 53 years), BOOP in 15 patients(6 male, 9 female, age range, 26-76 years; mean age, 52 years) were reviewed retrospectively. Results: The common pattern of the two diseases was admixed consolidation, ground glass attenuation & reticular densities with/without architectural distortion(NSIP; 53.3%, BOOP; 46.7%). The main component of the pattern wan predominantly consolidation(NSIP; 46.7%, BOOP; 73.3%) and ground glass attenuation(NSIP; 40.0%, BOOP;20.0%). Architectural distotion was more provinent finding with NSIP(mild ; 3, moderate ; 4, severe; 2) compared with BOOP(mild; 7, moderate; 2, severe; 0). The predominant overall distribution was lower lung, peribronchovascular & peripheral lung field in both of the two entities(NSIP;73.3%, BOOP; 73.3%). Peribronchovascular involvement was more common with NSIP(100%) than BOOP(80%), whereas peripheral involvement was more common with BOOP(93.3%) than NSIP(80%). Conclusion: The HRCT findings of NSIP and BOOP were similar in pattern and distribution. But NIP manifested more frequently ground-glass attenuation, whereas BOOP showed more frequently consolidation. Architectural distortion was more severe with NSIP than BOOP. NSIP invoved more frequently peribronchovascular space and BOOP were more common in peripheral lung field.

      • 클라이밍 로봇을 활용한 고교각의 자동화 균열 평가

        배현진 ( Bae Hyun Jin ),장근영 ( Jang Keun Young ),안윤규 ( An Yun-kyu ) 한국구조물진단유지관리공학회 2019 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.23 No.1

        This paper proposes an automated crack evaluation technique for a high-rise bridge pier using a climbing robot. The proposed technique enables to automatically detect and quantify the bridge pier cracks even where cannot easily access by human for visual inspection. To achieve it, high quality images are obtained by scanning the vision cameras embedded on the climbing robot along the bridge pier surface. Then, a feature extraction-based image stitching algorithm is newly developed and applied for establishing the entire region of interest (ROI) images. The ROI images are then processed with a semantic segmentation algorithm for automated crack detection. Finally, the detected cracks are precisely quantified by a crack quantification algorithm. The proposed technique is validated using in-situ test data obtained from Jang-Duck bridge located at Gangneung city, South Korea. The test results reveal that the proposed technique successfully evaluate the bridge pier cracks with precision of 90.92 % and recall of 97.47 %.

      • KCI등재

        광주광역시 전문계 고등학교 특성화 및 종합발전방안

        나승일,정철영,김진모,안강현,한홍진,김기용,민상기,장현진 한국농업교육학회 2008 농업교육과 인적자원개발 Vol.40 No.1

        이 연구의 목적은 광주광역시 전문계 고등학교의 특성화 및 종합발전방안을 수립하는데 있다. 이 연구는 ① 전문계 고등학교 관련 선행연구 분석,② 인력육성 및 특성화 방향을 설정하기 위하여 광주광역시,전라남도,우리나라의 산업여건 분석,③ 광주광역시 전문계 고등학교에 대해 Malcolm Baldrige 평가모형에 의한 진단평가와 SWOT 및 활용전략 분석, ④ 광주광역시 전문계 고등학교의 개편 요구 분석,⑤ 광주광역시 전문계 고등학교의 특성화 및 종합발전방안 설정 등의 과정을 통해 수행되었다. 이 연구의 결과는 다음과 같다. 첫째,비전은 광주광역시 전문계고 특성화와 발전 역량 구축을 통한 산업체 요구에 부합하는 우수 인력 양성이며,이를 위한 전략은 특성화 체제구축,학교교육 혁신,인적 자원 혁신,학교경영 혁신,인프라 구축으로 설정하는 것이 필요하다. 둘째, 특성화 체제 구축은 특성화 체제 개편,교육과정 중심 특성화,학과 재배치 통합형 고교 도입,특성화고 신설을 통해 추진할 수 있 는데 특히,교육과정 중심 특성화가 적극 도입되어야 한다. 셋째,학교교육 혁신은 교육과정 개편,교수 학습 개선,진로지도 개선,시설 및 기자재 개선을 통해 추진할 수 있다. 넷째,인적자원 혁신은 학교 관리자 역량 강화,교원 역량 강화,학생 역량 강화를 통해 추진할 수 있다. 다섯째,학교경영 혁신은 경영 리더십 제고,경영 성과관리 강화,학교 재정 혁신을 통해 추진할 수 있다. 여섯째,인프라 구축을 위해 지자체,대학,산업체,지역주민과 연계 강화를 통해 추진할 수 있다. 일곱째,13개 전문계 고둥학교의 여건 및 특성에 적합한 단위학교별 특성화 및 종합발전방안을 수립하였다. The purpose of this study was to suggest strategies to specialize and develop vocational high schools in Gwangju Metropolitan City. The study was orderly performed as follows: (1) reviewing literature about vocational high school, (2) analyzing the condition of industries, (3) diagnosing the vocational high school through Malcolm Baldrige model, (4) analyzing the SWOT and application strategies, (5) analyzing the needs of reform, and (6) establishing the strategies for the specialization and development of Vocational High Schools in Gwangju Metropolitan City. The major findings of this study were as the following: First, the vision was to bring up excellent human resources to corresponds industrial needs through specialization and development of vocational high schools in Gwangju Metropolitan City. Five strategies to achieve it were creating the specialization system, innovating the school education, human resources, and the school management, and building the infrastructure. Second, creating the specialization system can be performed through five tasks which were restructuring the specialization system, creating curriculum-based specialization, trading departments in inter-schools, introducing an integrated high school, and building a new specialized high school. Especially curriculum based specialization needs to be accepted. Third, innovating the school education can be performed through four tasks which were reorganizing the curriculum, improving the teaching and learning, improving the career guidance, and improving the facilities and equipments. Fourth, innovating human resources can be performed through three tasks which were enhancing each competencies of a school manager, a teacher, and a student. Fifth, innovating the school management can be performed through three tasks which were improving the management leadership, developing the performance management, and innovating the school finance. Sixth, building the infrastructure can be performed through four tasks which were enhancing the relationships with a local government, colleges, industries, and local residents. Seventh, individual strategies for the specialization and development of thirteen vocational high schools were also developed by corresponding to their conditions and characteristics.

      • 콘크리트 構造物의 混合모드 龜裂傳播모델(第1報)

        陳致燮,張熙碩,崔顯泰,嚴長燮 부산대학교 공과대학 1989 硏究報告 Vol.38 No.-

        This paper attempts to extract the crack tip stress intensity factors and to make a crack propagation model under mixed mode, from the finite element analysis of the concrete structures. In finite element analysis, all elements are initially assumed to be conventional quadratic isoparametric elements and are replaced by 6 node triangular singularity elements in the crack tip zone only. The stress intensity factors and the angle of propagation are carried out by displacement correlation technique and maximum circumferential tensile stress theory respectively. At the first part in a series of two papers, some numerical examples about the concrete SENB and DISK are presented to illustrate the practical effectiveness of the technique.

      • KCI등재

        악안면골절의 임상적고찰

        장현석,장명진 대한안악면성형재건외과학회 1996 Maxillofacial Plastic Reconstructive Surgery Vol.18 No.3

        With the increase of population, dramatic urbanization, traffic, leisure and sports, the number of maxillofacial injury has increased markedly. Subsequently the number of motor vehicle accident, sports accident and industrial accident were increased and the number of oral and maxilllofacial trauma patients were also markedly increased. A clinical study on 177 patients with facial bone fracture who visited Kangnam General Hospital during 4 years(1992-1995) was done by analysing sex, cause, fracture site, treatment method, complication and involvement of other body part. The results obtained were as follows : 1. The occurrence was more frequent in male than in female with the ratio of 4.2 : 1 and most frequently in twenties. 2. Violence was the most common cause of facial bone fracture. 3. Mandible was the most frequently occurred site and there were more cases of simple fracture(81.9%) than cases of compound fracture. 4. Simple fracture was most frequently occurred(44.0%). 5. In mandible fracture, simple fracture was 86.1%, fracture site was average 1.5 sites, most frequently in symphysis. 6. As treatment methods, open reduction(78.5%) was used more frequently than closed reduction(21.5%). 7. Post-operative complication occurred in 29.4% of the cases. 8. Other injuries that were related to maxillofacial fracture occurred in 28.2%.

      • 비소세포 폐암 환자의 이차 치료로서 Gemcitabine과 Vinorelbine 혼합 요법의 효과

        장필순,강현모,이정은,권선중,안진영,이연선,정성수,김주옥,김선영 충남대학교 암연구소 2006 암연구소 업적집 Vol.5 No.-

        Background : Both gemcitabine and vinorelbine are effective anticancer drugs with mild toxicity on non-small cell lung cancer, and monotherapy of these drugs are effective as a second-line chemotherapy. The aim of this trial was to assess the response and toxicity of a combination of gemcitabine and vinorelbine in patients of previously treated for non-small cell lung cancer. Materials and Methods : 24 patients, initial stage III A/B,IV and previously treated with platinium and taxane based regimens, were enrolled from June 2000 to March 2004. The regimens consisted of vinorelbine 25mg/㎡ followed by an infusion of gemcitabine 1000mg/㎡ on day 1 and day 8 every three weeks. This course was repeated more than twice. Results : Twenty-four patients were analyzed for the response, survival rate, and toxicities. The overall response was 17% with a complete remission rate of 4%. The median time-to progression (TTP) was 3.1 months (95%, CI l-10months), and the survival time was 8.2 months (95%, CI 1-23 months). The grade 3/4 toxicities encountered were neutropenia (12.5%), anemia (0%), thrombocytopenia (0%). Non-hematological 3/4 toxicities were not observed. Conclusion : A combination of gemcitabine and vinorelbine in patients previously treated for non-small cell lung cancer provides a relatively good response rate, and a low toxicity profile. However, further study will be needed to confirm its effectiveness. (Tuberc Respir Dis 2005; 58: 344-351)

      • 결과의 지식(K.R) 제시유형이 농구기능 학습에 미치는 효과

        장인석,신현주,진성룡,김종환,김천년 慶熙大學校 體育科學大學 1990 體育科學論叢 Vol.- No.3

        The purpose of this study is to investigate the effect of K.R on motor learning of basketball. The subject of this experiment were 90 women students, the second class highschool. They were no apparent physical defects and experiment of basket ball. The subject were divided into three groups ; verbal feedback, visual feedback and verbal+visual feedback groups. In each groups, 30 students were assigned. For the study, the skill test were pass, dribble, shot and combination of basketball. Each group was taught for 12 hours of basketball skill selected for the study. However, teaching methods were different a way of furnished K.R. The classes were three of basketball progam of physical education curriculum at high school. For the data analysis, one-way analysis varianace, turky's-test was employeed. As a result of this study, conclusions were as follow : 1. In part of both pass skill and shot skill, the verval+visual feedback groups were most effcetive among the other groups. 2. For the dribble skill, the verval+visual feedback group was more effective than the verval feedback group. 3. In the case of combination-skill, there have been no significant difference among the three groups.

      • 단축질소제거공정에서의 C/N비에 따른 N₂O발생 특성에 대한 연구

        장광언,황선진,장현섭 경희대학교 2003 環境硏究 論文集 Vol.12 No.-

        Nitrous oxide(N₂O) is produced as by-production of nitrogen removal system from wastewater and associated with many parameter(such as DO, pH, Temperature, C/N ratio, accumulation of nitrite etc...). Especially SBNR (Shortcut Biological Nitrogen Removal) process have high potential of N₂0 production, but research about this relationship is insufficient. Ammonia concentration of Influent was 600 ppm and 2 sets of reactor (for A/O process and SBNR process) were used. Based on the results of this study A/O process (conventional nitrification and denitrification) was effected by C/N ratio but SBNR process did not. And N₂O production of BSNR oxic tank was observed constantly.

      • 셀룰로스계 혼화제를 사용한 수중불분리성 콘크리트의 최적 배합

        진치섭,엄장섭,박현재,윤재환 부산대학교 생산기술연구소 2001 生産技術硏究所論文集 Vol.60 No.-

        수중불분리성 콘크리트는 통상적인 수중 콘크리트와는 개념부터 다르다. 콘크리트에 수중불분리성 혼화제를 혼합하면 콘크리트의 점성이 증가되고 수중에서의 재료분리에 대한 저항성이 현저히 증가된다. 이 효과는 수중콘크리트 자체의 신뢰성을 높여줄 뿐만 아니라 타설지역의 환경보존에도 현저한 기여를 하게 된다. 본 연구에서는 셀룰로스계 수중불분리성 혼화제 (수용성 셀룰로스 에틸계)와 고유동화제 (고축합 트리아진계)의 첨가량 변화에 따른 수중불분리성 콘크리트의 제반 물성 변화를 검토하고 비교적 정온 상태의 해상 환경에 적용할 수 있는 수중불분리성 콘크리트의 치적 배합을 결정하였다. Antiwashout underwater concrete is quite different in concept from conventional underwater concrete. By mixing an antiwashout admixture with concrete, the viscosity of the concrete is increased and its resistance to segregation under the washing action of water is enhanced. The effect of this is not only to greatly improve the reliability of concrete placed under water, but it also has remarkable effects on environmental preservation in the construction area. In this study, property tests of antiwashovt underwater concrete have been carried out, as variable add of special admixture, i.e antiwashout underwater agent (Hydroxy Ethyl Cellulose), superplasticizer (High condensate Tri - Azine). We made the antiwashout underwater concrete have enough strength to endure with easy construction. And we have decided the optimal mix proportion far antiwashout underwater concrete under standard state.

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