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노인요양시설 건강관리서비스 종사자의 직무특성과 직무스트레스 및 조직몰입이 직무만족에 미치는 영향
박광화(Kwang-Hwa Park),이지현(Ji-Hyun Lee) 고신대학교 전인간호과학연구소 2015 전인간호과학학술지 Vol.8 No.-
Purpose: The purpose of this study was to identify factors affecting job satisfaction of health care service practitioner. Methods: Participants were 241 health care service practitioner in elderly care facility of Busan, Ulsan. Data were collected from January 1st to 31th, 2013 using the scales of measurements of job satisfaction, job characteristic, job stress, and organizational commitment . Results: There was significant difference according to general characteristic in age, marital status, religion, satisfaction to current division, having experience of residence with elderly, actual experience of residence with elderly, and consideration of job change. There was light positive correlation between job characteristic and job satisfaction(r=.35, <i>p</i>=.001). light negative correlation between job stress and job satisfaction(r=-.28, <i>p</i><.001), and strong positive correlation between organizational commitment and job satisfaction(r=.65, <i>p</i><.001). Of factors affecting job satisfaction of subject, organizational commitment was 41.1% of explanation power(<i>ß</i>=.43) which was the most and it combined with improper reward/treatment. Job characteristic, and satisfaction to current division totally has 51.7% of explanation power. Conclusion: Organizational commitment was the most affecting factor to job satisfaction. It is assumed that intervention program to improve organizational commitment and to increase job satisfaction of health care service practician in elderly care dacility.
세침흡인 세포학적 검사로 진단한 폐의 Nocardiosis - 1예 보고 -
임현이,박광화,Yim, Hyun-Ee,Park, Kwang-Hwa 대한세포병리학회 1995 대한세포병리학회지 Vol.6 No.2
Nocardia, aerobic members of the order of Actinomycetaceae, produces infections in human lung. Nocardial infection is associated with underlying diseases of immuno-suppression or treatment with corticosteroid. It is difficult to detect Nocardia by sputum examination or histologic sections and it has rarely been diagnosed by fine needle aspiration of the lung. We describe a case of pulmonary nocardiosis in a 72 year-old man, diagnosed by fine needle aspiration, which was confirmed by culture of aspirates. The aspirates showed neutrophil-predominant inflammatory cells with microorganisms demonstrated by Gomori methenamine silver and Gram stain. The organisms had characteristic long blanching filamentous structures. The lesions on chest X-ray were in resolution with antimicrobial therapy.
가속 열 노화시험을 이용한 침매터널용 고무 씰 소재의 사용수명 예측
박준형(Joon Hyung Park),박광화(Kwang Hwa Park),박형근(Hyeong Geun Park),권영일(Young Il Kwon),김종호(Jong Ho Kim),성일경(Il Kyung Sung) 한국신뢰성학회 2009 신뢰성응용연구 Vol.9 No.4
This paper considers accelerated thermal degradation tests which are performed for rubber seal materials used for undersea tunnels constructed by immersion method. Three types of rubber seals are tested; rubber expansion seal, omega seal, and shock absorber hose. Main ingredient of rubber expansion seal is EPDM(Ethylene Propylene Diene Monomer) and that of both omega seal and shock absorber hose is SBR(Styrene Butadiene Rubber). The accelerated stress is temperature and an Arrhenius model is introduced to describe the relationship between the lifetime and the stress. From the accelerated degradation tests, dominant failure mode of the rubber seals is found to be the loss of elongation. The lifetime distribution and the service life of the rubber seals at use condition are estimated from the test results. The acceleration factor for three types of rubber seals are also investigated.
철도용 레일체결장치 부품·소재의 실험적 연구를 통한 신뢰성 설계 방안
김효산(Hyo-San Kim),박준형(Joon-Hyung Park),정명렬(Myung-Ryule Kim),박광화(Kwang-Hwa Park),이달재(Dal-Jae lee) 한국철도학회 2011 한국철도학회 학술발표대회논문집 Vol.2011 No.10
Railway rail fastening system is the critical device which gives big influences to not only the vehicle driving stability and the orbit's structural stability against the impulsive load but also the noise vibration and the ride comfort. As a part of the low-carbon green growth the importance of the railroad industry is getting highlights on its excellent energy-efficiency and eco-friendliness. However so far the Korea's domestic rail fastening system technology is not so good and the technical reliance to abroad is very heavy. In this study we conducted comparative analysis on the rail fastening system with new and used one of the same type. And those systems are imported by Seoul Metro and are being used by it. With this basis we developed the components and the materials and then established the durability assessment methods appropriate to the Korean domestic circumstances. And through the reliability qualification test on the 7 parts of the rail fastening system we've improved the reliability and guaranteed the 15 years of service lifetime. (B10life15) Establishment and standardization of Reliability Standard on the parts of the rail fastening system such as anti-vibration pads guide-plate screw spike made it possible to perform the internationally fair assessment. And it is thought that we can satisfy the manufactures' and consumers' needs of cost-cutting and qualification security by shortening of assessment period on rail fastening system.
박혜영,박병수,심준용,박석원,김황민,김종수,송지선,박광화,Park, Hae Young,Park, Pyoung Su,Shim, Jun Yong,Park, Seok Won,Kim, Hwang Min,Kim, Jong Soo,Song, Ji Sun,Park, Kwang Hwa 대한소아감염학회 2001 Pediatric Infection and Vaccine Vol.8 No.1
저자들은 이전의 보고와 달리 알레르기의 과거력이 없으면서 ANA 양성을 보인 6세된 여아에서 아급성 괴사성 림프절염 1례를 경험하였기에 주로 자가 면역 질환과의 관련성에 대한 최근의 문헌 고찰과 함께 보고하는 바이다. Since the first description of Kikuchi disease(Subacute necrotizing lymphadenitis) in Japan, 1972, this condition has been reported in a worldwide. The etiology remains unknown. This disease shows a marked predilection for young woman, and a few cases in children has been reported. The usual initial clinical manifestation is localized cervical lymphadenopathy with fever, weight loss and myalgia. We experienced a 6 year-old girl of subacute necrotizing lymphadenitis with ANA, therefore report a brief review with the related literatures.
성덕룡(Sung Deok-Yong),김박진(Kim Bag-Jin),박광화(Park Kwang-Hwa),경갑수(Kyung Kab-Soo),박용걸(Park Yong-Gul) 한국철도학회 2009 한국철도학회 학술발표대회논문집 Vol.2009 No.11월
The replacement period criteria of rail according to the accumulated passing tonnage was estimated by the bending fatigue life of rail. In order to estimate the bending fatigue life, it basically needs to analyze bending fatigue behaviour on the rail. This study performed a bending fatigue test for 50㎏/m and 60㎏/m rails, and these were distinguished by new and used rails, and the types of rail welding such as base material welding, thermite welding, and gas pressure welding. Also, it analyzed the fractured surface, the position of initial crack, and the bending fatigue behaviour(S-N curve). Therefore, it achieved S-N curve for new and used rail according to the types of rail welding. It might be made full use of essential data in order to estimate rail the bending fatigue life according to accumulated passing tonnage.
수술 후 잔위에서 Helicobacter pylori의 분포와 역할
최윤종 ( Yeun Jong Choi ),김현수 ( Hyun Soo Kim ),박동훈 ( Dong Hoon Park ),김문영 ( Moon Young Kim ),백순구 ( Soon Koo Baik ),이동기 ( Dong Ki Lee ),권상옥 ( Sang Ok Kwon ),박광화 ( Kwang Hwa Park ) 대한소화기학회 2003 대한소화기학회지 Vol.41 No.3
Background/Aims: The distribution of Helicobacter pylori (H. pylori) and its effect on postoperative remnant gastritis has not been clearly investigated. Thus, we carried out this study to examine H. pylori positive rate in the body and cardia and to assess the role of H. pylori on the pathogenesis of remnant gastritis. Methods: Eighty-two patients who had undergone gastric surgery (Billroth I, II) were studied. Four biopsy specimens were obtained from the cardia and oral side of anastomosis for histological analysis and CLO test. The histological grades of gastritis were determined by four parameters of visual analogue scales adopted by updated Sydney system. Results: The overall positive rate of H. pylori was 48.8%. Among the infected patients, H. pylori positive rate was significantly higher in the cardia than in the body (87.5% vs. 37.5%, p< 0.01). The H. pylori positivity was not associated with age, sex, primary disease, type of surgery, chemotherapy, and postopertive interval. The gastritis scores of inflammatory cell infiltration were higher in H. pylori positive patients. However, the scores of atrophy and intestinal metaplasia were not significantly different between the two groups. Conclusions: The H. pylori positive rate is higher in the cardia than in the body of postoperative remnant stomach. It suggests that H. pylori may play an important role in remnant gastritis through acute and chronic inflammatory cell infiltration. (Korean J Gastroenterol 2003;41:177-182)