http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Hepatic lipase 유전자 promoter의 G-250A 다형성과 대사증후군간의 관련성
김명철,이명숙,유병철,이용환 고신대학교의과대학 2007 고신대학교 의과대학 학술지 Vol.22 No.2
Background and Objectives: The -250G to A polymorphism of the hepatic lipase gene (LIPC) has been associated with lowered hepatic lipase activity, dyslipidemia, and diabetes. The aims of this study were to elucidate the relationship of the G-250A polymorphism of LIPC with metabolic syndrome in Koreans. Methods: A total of 943 health screen examinees were enrolled in this study who were examined in Kosin University Gospel Hospital from December 2004 to February 2006. The height, weight, body mass index, body fat mass, visceral fat mass, waist circumference, and systolic and diastolic blood pressure of the subjects were examined and fasting blood glucose, total cholesterol, HDL cholesterol, LDL cholesterol, triglyceride were measured by sampling in venous blood. The metabolic syndrome was defined as the presence of three or more of the following : waist circumference men≥90 cm, women≥80 cm, blood pressure≥130/85 mmHg, fasting glucose≥110 mg/dL, HDL cholesterol men<40 mg/dL, women<50 mg/dL, triglyceride≥150 mg/dL. The blood pressure, fasting glucose, HDL cholesterol, triglyceride were evaluated by using the criteria of NECP ATP Ⅲ and waist circumference was assessed by using the criteria of WHO Asia-Western Pacific. The genotype at position -250 of the hepatic lipase promoter was determined by single base extension and electrophoresis. Results: The observed frequencies of the -250G to A polymorphism of LIPC were 49.8% for the metabolic syndrome, 51.4% for the control group and 50.9% in total subjects. The frequency of the A allele was 36% in total subjects. Concentration of triglyceride was significantly higher in subjects with GA and AA genotypes in women.. Conclusion: The -250A allele frequency was 36% in Koreans and the -250G to A polymorphism of LIPC seems to significantly influence to plasma triglyceride levels in women.
Influencing Factors on the Satisfaction of Communication with the Elderly in Nurses
MYEONG HWAN YU,JI SOOK KANG 한국간호과학회 2021 한국간호과학회 학술대회 Vol.2021 No.10
Aim(s): This study was performed to utilize for foundation data of research related nursing communication and developing nursing intervention by examining the relationship between nurses" perception of the elderly and communication. Method(s): This study is a descriptive research using a set of questionnaires that examines the relationship between nurses who provide care to the elderly by confirming their perception of the elderly, communication difficulties with the elderly, communication behavior, and satisfaction with communication. After IRB approval, data were collected either face-to-face survey or by online survey. A total of 292 nurses participated in this study. The collected data were analyzed as descriptive statistics, t-test and ANOVA, Duncan test and Pearson"s Correlation Coefficients, Multiple Regression Analysis by using SPSS/WIN 26 program. Result(s): As a result, a significant correlation was identified between perception of the elderly and communication disorders, communication behavior, and communication satisfaction. We found that nurses who had more positive perceptions about the elderly had less communication disorders, better communication behaviors, and higher communication satisfaction with the elderly. The variables affecting the nurse"s communication satisfaction with the elderly were the perception of the elderly and the communication behavior with the elderly. Conclusion(s): From this result, we suggest that nurses caring for the elderly should receive education on communication methods with elderly to improve their perception. Furthermore, we suggest future studies to improve nurse"s perception of the elderly and communication.
Bogie Fault Detections by Way of Condition-Based Monitoring of a Railway Vehicle
Myeong-Joon Kim,Jin-woo Yu,Hyeong-Ho Shin,Mohamad Aiman Hassan,Taehoon Kim,Hyun-Jik Cho,Nam-Jin Lee,Jae-Hwan Kim,Chul-Goo Kang 제어로봇시스템학회 2019 제어로봇시스템학회 국제학술대회 논문집 Vol.2019 No.10
In the modern railway industry, huge amount of money is invested for the maintenance of the railway system on yearly basis, in which failures or faults in components and systems have always been a major problem. An effective, efficient and reliable maintenance is required to ensure the efficiency, reliability and safety for the railway vehicles and give a high-quality service to the passengers. This paper presents bogie fault detection by way of the condition monitoring of the bogie in a railway vehicle, which addresses the logics for the model-based condition monitoring of suspension system using an extended Kalman filter. The presented logic has been demonstrated by simulation studies.
Yu-Seop Park,Seok-Myeong Jang,Ji-Hwan Choi,Jang-Young Choi,Dae-Joon You IEEE 2012 IEEE transactions on magnetics Vol.48 No.11
<P>To use a permanent magnet (PM) synchronous generator to wind power generation systems, the wind turbine characteristics according to wind speed should be considered in the design stage and performance evaluation. Using the wind turbine characteristics provided by a manufacturer, we predict the performance of a wind power generator that uses an axial flux PM by analyzing the electromagnetic field characteristics. To avoid the long analysis time required by the three-dimensional finite element method because of the structural features of axial flux PM machines, an alternative analytical approach is presented, and its results are validated experimentally. In addition, we present an AC-DC-DC converter that is connected to the experimental setup for back-to-back tests in order to obtain constant output regardless of wind speed variations.</P>
김명환 ( Myeong Hwan Kim ),우승민 ( Seung Min Woo ),하유신 ( Yu Shin Ha ) 한국농업기계학회 2016 한국농업기계학회 학술발표논문집 Vol.21 No.2
울릉지역의 밭농업 재배작목은 산나물(미역취, 부지갱이, 삼나물, 참고비, 산마늘 등)이 주를 이루고 있으며, 구근류(산더덕, 울금 등), 호박 등 산지 영농이 이루어지고 있다. 밭의 형태는 대부분90% 이상이 경사지이며 경사의 각도가 20~40° 로서 농작업은 고위험과 고노동력을 필요로 하고있다. 재배면적인 가장 많은 산나물의 경우 인력 파종, 인력과 관수기를 이용한 방제, 인력 제초, 인력 수확, 지게 또는 손수레 운반을 하고 있기 때문에 허리, 무릎, 목, 어깨, 팔 등 부담이 매우 큰 것으로 나타났다. 농기계 보급현황을 살펴보면 예전에 인력에 의존하던 작업이 현재는 모노레일에 탑승하여 이동하거나 모노레일에 간단한 농기계를 운반하여 농작업을 수행하고 있다. 경사지를 이동하면서 작업하기 때문에 밭의 경사와 협소한 경작지 때문에 기존의 밭농업기계를 거의 활용할 수 없어 많은 노동시간과 노동강도가 높은 것이 현실이다. 본 논문에서는 이러한 기존의 문제점을 해결하기 위하여 경사지에서 밭농업기계의 활용도를 높인 개선사례를 나타내었다. 방제작업은 경사지에서 인력으로 이동하여 호스를 풀고 감는 작업형태를 약통, 호스, 분무기 등을 모노레일에 고정탑재시켜 자동으로 호스를 풀고 감으며 작업하는 형태로 개선하였으며, 인력에 의존하던 미역취 수확작업을 농산물 수확기를 이용하여 예취속도, 투입부의 회전속도와 간격, 이송속도, 배출구의 간격 등을 개선하였으며, 비료살포작업의 경우 인력 동력살포기로 경사지를 이동하던 작업을 모노레일에 고정탑재시키고 사료배출구를 개선하여 동력으로 원거리살포가 가능하도록 개선하였고, 제초작업의 경우 산나물에 적합한 제초날을 기존 예취기에 탈부착이 가능한 모듈 형태로 개선하였고, 운반작업의 경우 수확물 10~30kg 다발을 인력, 지게, 리어커 등으로 밭을 왕복으로 이동하는 작업형태를 모노레일의 운반적재함을 탑재시킨 후 평지에서 운반차로 이동시키는 작업으로 개선하였다. 그러나 아직 경사지 밭농업기계의 활용도가 매우 저조하여 향후 경사지 밭농업기계의 활용도를 높이고 농업인의 농작업 부담을 줄일 수 있는 밭농업기계의 개선과 개발이 필요할것이다.
유선진 ( Yu Seon Jin ),정성진 ( Jeong Seong Jin ),김일 ( Kim Il ),박환철 ( Park Hwan Cheol ),윤여욱 ( Yun Yeo Ug ),이창화 ( Lee Chang Hwa ),강경원 ( Kang Gyeong Won ),강종명 ( Kang Jong Myeong ),박문향 ( Park Mun Hyang ) 대한신장학회 2003 Kidney Research and Clinical Practice Vol.22 No.6
The overall incidence of malignancy in a renal transplanted patient is 3 to 5 times higher compared with general population. We report a very rare case of multiple leiomyoma originated from lung after renal transplantation. 33-year-old male underwent renal transplantation in November, 1989. A 5 mm sized pulmonary nodule was found in the left lower lobe incidentally in March, 2001. The size of pulmonary nodule increased and same lesion was found on the opposite side of the lung on chest roentgenogram after one year, so we proceeded with computed tomography of the chest. Variable sized multiple nodules in the whole lung field were noted, which were thought be metastatic lesions, and for detection of the primary site of malignancy, further study including esophagogastroduodenoscope, colon study, abdominal ultrasound, abdominal CT, bone scan and tumor marker were checked, but there was no evidence of primary cancer. After open lung biopsy low malignant potential smooth muscle tumor was noted, and Epstein-barr virus (EBV) DNA was detected. The patient had been maintained on immunosuppressive therapy with cyclosporine and mycophenolate mofetil (MMF), and after the diagnosis of leiomyoma administration of MMF was stoped, and cyclosporine dosage was reduced. With the reduction of immunosuppressants, intravenous immunoglobulin trial was done for the first cycle, but the efficacy of treatment is not clear. (Korean J Nephrol 2003;22(6):767-772)