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심동혁,노경호,박진용,임영택,Shim, Dong-Hyouk,Noh, Kyung-Ho,Park, Jin-Yong,Lim, Young-Taek 한국시뮬레이션학회 2018 한국시뮬레이션학회 논문지 Vol.27 No.2
군용 장비 개발 시 운용자가 안정적인 환경에서 운용할 수 있도록 온도조건을 고려하여 설계하여야 한다. 각종 군용 장비를 보관하는 쉘터는 다양한 환경에서 운용되고 있다. 시험장비 및 수리부속품의 저장온도 및 운용 요구조건은 $-32^{\circ}C{\sim}50^{\circ}C$로 쉘터 내부는 저장온도 및 운용 요구조건을 충족할 수 있도록 설계되어야 한다. 본 연구에서는 MIL-STD-810G의 기준을 고려하여 고온 및 태양열 조건에서 군에서 운용중인 2.5톤의 군용쉘터의 열해석을 수행하였다. 열해석은 열저항 및 열회로개념을 활용하여 적용하였으며 해석결과를 검증하기 위해 실제 제작된 군용쉘터에 대한 태양열 시험을 실시하여 결과를 비교하여 제시하였다. When developing military equipment, it should be designed considering the temperature condition so that the operator can operate in a stable environment. The shelter for storing various military equipments is operated in various environments. The storage temperature and operating requirements of the test equipment and repair accessories shall be $-32^{\circ}C$ to $50^{\circ}C$ and the inside of the shelter shall be designed to meet the storage temperature and operating requirements. In this study, thermal analysis of a 2.5 ton military shelter operating under high temperature and solar heat conditions is performed considering MIL-STD-810G. The thermal analysis was applied by using the concept of heat resistance and heat circuit, and the solar thermal test was performed on the actually manufactured military shelter in order to verify the analysis results.
만성질환 이환율을 이용한 여자노인의 체질량지수에 대한아시아-태평양지역 기준과 Entropy모델 기준 비교
정구범(Gu Beom Jeong),박진용(Jin Yong Park),권세영(Se Young Kwon),박경옥(Kyung Ok Park),박필숙(Pil Sook Park),박미연(Mi Yeon Park) 대한지역사회영양학회 2014 대한지역사회영양학회지 Vol.19 No.5
This study was conducted to propose the need of re-establishing the criteriaof the body weight classification in the elderly. We compared the Asia-Pacific RegionCriteria (APR-C) with Entropy Model Criteria (ENT-C) using Morbidity rate of chronicdiseases which correlates significantly with Body Mass Index (BMI). Methods: Subjects were 886 elderly female participating in the 2007-2009 KoreaNational Health and Nutrition Examination Survey (KNHANES). We compared APRCwith those of ENT-C using Receiver Operating Characteristics (ROC) curve andlogistic regression analysis. Results: In the case of the morbidity of hypertension, the results were as follows:Where it was in the T-off point of APR-C, sensitivity was 67.5%, specificity was43.1%, and Youden``s index was 10.6. While in the cut-off point of ENT-C, it was56.7%, 56.6%, and 13.3 respectively. In the case of the morbidity of diabetes, theresults were as follows: In the cut-off point of APR-C, Youden’s index was 14.2. Whilein the cut-off point of ENT-C, it was 17.2 respectively. The Area Under the ROCCurve (AUC) of the subjects who had more than 2 diseases among hypertension,diabetes, and dyslipidemia was 0.615 (95% CI: 0.578-0.652). Compared to the normalgroup, the odds ratio of the hypertension group which will belong to the overweight orobesity was 1.79 (95% CI: 1.30-2.47) in the APR-C, and 2.04 (95% CI: 1.49-2.80) inthe ENT-C (p < 0.001). Conclusions: We conclude that the optimal cut-off point of BMI to distinguish betweennormal weight and overweight was 24 kg/m2 (ENT-C) rather than 23 kg/m2 (APR-C).
아포지단백 E 유전자 다형성이 폐경 후 여성 류마티스관절염 환자의 골밀도에 미치는 영향
이상일 ( Sang Il Lee ),박진용 ( Jin Yong Park ),오수진 ( Su Jin Oh ),나영균 ( Young Gyun Na ),정치량 ( Chi Ryang Chung ),최영훈 ( Young Hun Choi ),윤희진 ( Hee Jin Yun ),류완희 ( Wan Hee Yoo ) 대한류마티스학회 2006 대한류마티스학회지 Vol.13 No.4
Objective: To evaluate the relationship between the presence of apolipoprotein E (Apo E) 4 allele and bone mineral density (BMD) and severity of joint destruction in postmenopausal women with rheumatoid arthritis (RA). Methods: Apo E genotypes were analyzed in 113 postmenopausal women who were first diagnosed with RA and had not receiving antiresorptive therapy for osteoporosis at the time of enrollment. BMD was measured using dual-energy X-ray absorptiometry (DEXA), and joint destruction was evaluated on plain radiographs according to Larsen score. The differences in BMD and severity of joint destruction in groups with and without an Apo E4 allele were analyzed in 94 patients with clinical information available. Results: BMD (g/cm2) of the lumbar spine in the Apo E4 (-) group was 0.94±0.16 (n=67), whereas that in the Apo E4 (+) group was 0.87±0.14 (n=27; p=0.049). BMD of the femoral neck and great trochanter in the Apo E4 (-) group was 0.74±0.12 and 0.63±0.11, while that in the Apo E4 (+) group was 0.68±0.11 (p=0.039) and 0.57±0.11 (p=0.008). However, there were no significant differences in Larsen scores and erosive disease (%) between the Apo E4 (+) and Apo E4 (-) groups. Conclusion: The Apo E4 allele is associated with a reduced bone mass in postmenopausal RA patients. Therefore, Apo E4 allele is considered to be an independent risk factor for generalized osteoporosis in postmenopausal RA patients.
산업재 구매자-판매자관계에 있어서 규범 , 관료화 , 그리고 힘의 배분구조
오세조(Se Jo Oh),박진용(Jin Young Park),강호석(Ho Seok Kang) 한국경영학회 1994 經營學硏究 Vol.23 No.4
단속적 교환에 비해 관계적 교환의 중요성이 강조되고 있는 상황에서 관계적 규범에 대한 연구의 중요성은 점차 증대되고 있다. 본 연구는 지속적인 구매자-판매자의 교환관계속에서 힘의 균형구조보다는 불균형구조일 경우에 관료적구조화는 물론 이에 대한 보완장치로서의 관계적 규범도 더 높게 나타날 것이라는 가설을 제시하였다. 우리나라 전기·전자부품의 구매자와 공급자를 대상으로 한 연구결과에서 힘의 구조가 균형적일 때보다 불균형적일 때 규범이 높게 나타날 것이라는 가설은 부분적으로 지지되었다. 즉 힘의 구조가 균형적일 때보다 불균형적일 때 유연성규범과 상호성규범이 높게 나타났다. 관료적구조화는 공식화의 경우에만 힘의 균형관계 보다 불균형관계일 때 높게 나타났다.
김성일 ( Sung Il Kim ),민주영 ( Ju Young Min ),박진용 ( Jin Yong Park ) 한국유통물류정책학회 2020 유통물류연구 Vol.7 No.4
퇴직연금제는 기업과 가입자가 주체가 되어 적립금을 활용하여 정부의 세제 지원으로 노후 대비 자산을 증식하는 것을 근간으로 한다. 기업은 어느 정도 자산운용이 가능하나 가입자들은 자산을 증식하기 위한 자산운용 능력을 갖추기 힘들기 때문에 가입자교육의 역할은 지대하다. 하지만 현재 가입자교육이 성과를 거두고 있다는 증거를 찾기는 매우 힘들다. 본 연구는 이를 극복하고자 법적 책임을 지고 있는 기업이 퇴직연금 사업자에게만 위탁하는 문제를 극복하고자 했다. 즉, 현재 퇴직연금사업자에 내부화되어 가입자교육 성과향상이 어려운 점을 극복하고자 가입자교육 전문기관 설립을 통한 외부화의 타당성을 검증하고자 했다. 연구결과 가입자교육 전문기관을 설립할 경우 현재 기업의 참여부족으로 저해된 가입자교육 효과성과 가입자 관심 부족으로 낮아진 가입자교육 효율성과 제도의 한계로 초래된 가입자 교육만족도가 개선될 수 있는 것으로 나타났다. 특히 가입자교육 전문기관이 설립되면 교육전문성 제고를 통해 가입자 교육만족도를 높일 수 있고, 교육제공 어려움 개선을 통해 가입자교육 효율성이 제고될 수 있는 것으로 나타났다. The retirement pension system is based on the use of retirement reserves by companies and subscribers to increase assets for retirement under the government’s tax support. Although companies can manage assets to some extent, subscriber education plays a huge role because it is difficult for subscribers to have the ability to manage assets to increase their assets. However, it is very difficult to find evidence that subscriber education is currently paying off. In order to overcome this, this study attempted to overcome the problem of entrusting only retirement pension service providers to companies that are legally responsible. In other words, to overcome the difficulty of improving subscriber education performance as it is internalized in the current retirement pension service provider, it was attempted to verify the feasibility of externalization through the establishment of a subscriber education institution. As a result of the study, it was found that the establishment of an institution specialized in subscriber education can improve the subscriber education effectiveness, which is hampered by the lack of participation by companies, and the subscriber education efficiency lowered by the lack of interest in subscribers and the satisfaction of subscriber education caused by system limitations. In particular, it was found that when a specialized institution for subscriber education is established, the satisfaction level of subscriber education can be improved by enhancing education expertise, and the efficiency of subscriber education can be improved through improvement in the difficulty of providing education.
간문맥 내 가스와 장관 포상 기종으로 발현한 괴사성 대장염
송종규 ( Jong Gyu Song ),구자설 ( Ja Seol Koo ),강효성 ( Hyo Sung Kang ),박진용 ( Jin Yong Park ),김승영 ( Seoung Young Kim ),현종진 ( Jong Jin Hyun ),정성우 ( Sung Woo Jung ),이상우 ( Sang Woo Lee ) 대한소화기학회 2015 대한소화기학회지 Vol.65 No.3
Hepatic portal venous gas is a very rare radiologic sign which is characterized by gas accumulation in the portal venous circulation. Pneumatosis intestinalis is also very rare and is characterized by multiple air cysts in the serosal or submucosal layers of the gastrointestinal tract walls. These two findings are caused by various pathological conditions and can develop individually or simultaneously. The latter is clinically more significant because it is frequently related to bowel ischemia or necrosis, and represents a poor prognosis. However, prognosis is more influenced by the severity of underlying disease rather than hepatic portal venous gas or pneumatosis intestinalis itself. If bowel ischemia or necrosis is the primary cause, emergency operation is very important to improve patient``s prognosis. Herein, we report a case of necrotizing colitis presenting as hepatic portal venous gas and pneumatosis intestinalis which was successfully managed by early surgery. (Korean J Gastroenterol 2015;65:177-181)