http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
정기진(Jung, Kijin),유영돈(Yoo, Youngdon),김나랑(Kim, Narang),김문현(Kim, Mun-Hyeon),김정헌(Kim, Jeongheon),김병환(Kim, Byunghwan) 한국신재생에너지학회 2011 한국신재생에너지학회 학술대회논문집 Vol.2011 No.11
폐기물 합성가스에 포함되어 있는 오염물질 중 황화합물(H₂S, COS)이 존재할 경우, 다른 연계 공정을 구성하는 설비의 부식, 합성가스 이용 공정의 촉매 피독 문제, 대기 배출시 환경오염 문제 등을 야기 시키므로 제거가 필요하다. 고온 정제 공정을 적용하여 황화합물을 제거하기위해 산화아연을 이용한 고온 탈황 실험을 수행하였다. 고정층 반응기에 탈황제로 선정한 산화아연을 충진하고, 공간속도 3,000h^{-1}, 입구 황화합물의 농도 H₂S 1,000ppm, COS 300ppm일 때 반응 온도 변화에 따른 탈황특성을 살펴보았다. 가스 내부에 H₂S가 단독으로 존재할 경우에는 400?C 이상에서 모두 제거되었으나, H₂S와 COS가 동시에 존재할 경우에는 450?C 이상에서 모두 제거되는 것을 알 수 있었다. 반응온도 500?C에서 산화아연 탈황제를 이용한 실험결과 H₂S, COS의 파과시간은 각각 1,217, 1,063 min, 흡착능력은 269.9 mg-H₂S/g-sorbent, 124.7 mg-COS/g-sorbent으로 파악되었다.
Kim, Kijin,Ahn, Nayoung,Jung, Suryun,Park, Solee The Korean Society of Pharmacology 2017 The Korean Journal of Physiology & Pharmacology Vol.21 No.6
The aim of this study is to investigate the effects of intermittent ladder-climbing exercise training on mitochondrial biogenesis and ER stress of the cardiac muscle in high fat diet-induced obese middle-aged rats. We induced obesity over 6 weeks of period in 40 male Sprague-Dawley rats around 50 weeks old, and were randomly divided into four experimental groups: chow, HFD, exercise+HFD, and exercise+chow. The exercising groups underwent high-intensity intermittent training using a ladder-climbing and weight exercise 3 days/week for a total of 8 weeks. High-fat diet and concurrent exercise resulted in no significant reduction in body weight but caused a significant reduction in visceral fat weight (p<0.05). Expression of $PPAR{\delta}$ increased in the exercise groups and was significantly increased in the high-fat diet+exercise group (p<0.05). Among the ER stress-related proteins, the expression levels of p-PERK and CHOP, related to cardiac muscle damage, were significantly higher in the cardiac muscle of the high-fat diet group (p<0.05), and were significantly reduced by intermittent ladder-climbing exercise training (p<0.05). Specifically, this reduction was greater when the rats underwent exercise after switching back to the chow diet with a reduced caloric intake. Collectively, these results suggest that the combination of intermittent ladder-climbing exercise training and a reduced caloric intake can decrease the levels of ER stress-related proteins that contribute to cardiac muscle damage in obesity and aging. However, additional validation is required to understand the effects of these changes on mitochondrial biogenesis during exercise.
Benefits and Spillover Effects of Infrastructure: A Spatial Econometric Approach
Kim, Kijin,Lee, Junkyu,Albis, Manuel Leonard,Ang, Ricardo III B. Korea Institute for International Economic Policy 2021 East Asian Economic Review Vol.25 No.1
This paper estimates the effects of transport (road and rail) & energy and ICT infrastructure (telephone, mobile, and broadband) on GDP growths in neighboring countries as well as own countries. We confirm positive direct contributions of infrastructure, access to Internet, and human capital on economic growth. The spatial panel regression models indicate that there exist positive externalities of the broadband infrastructure and human capital, and these results are robust regardless of the choice of spatial weight matrices. Our findings on spillover effects of infrastructure suggest the key role of neighboring countries' infrastructure on own country's economic growth.
Kim, Young-soo(김영수),Kim, Suyon(김수연),Kim, Kijin(김기진),Chung, Young-mi(정영미),Yoon, Seungtae(윤승태),Lee Hongjik(이홍직) 한국웰니스학회 2021 한국웰니스학회지 Vol.16 No.1
본 연구는 장애인의 교육수준과 자기효능감과의 관계에서 임금수준의 매개효과를 검증하는 것을 목적으로 한다. 이를 위하여 장애인고용패널조사 2차 웨이브 3차자료를 활용하여 분석하였으며, 회귀분석과 Sobel test를 실시하였다. 본 연구의 연구결과는 다음과 같다. 첫째, 교육수준이 높을수록 임금수준이 높은 것으로 나타났다. 둘째, 교육수준이 높을수록 자기효능감이 높은 것으로 나타났다. 셋째, 장애인의 임금수준이 장애인의 교육수준과 자기효능감 사이를 매개하는 것으로 나타났다. 이러한 연구결과를 바탕으로 본 연구에서는 다음과 같은 제언을 하였다. 첫째, 진학 과정에서 장애인에 대한 차별을 줄여야 하며, 현행 수능에 중점을 두고 있는 교육제도를 개선해야할 필요성이 있다. 둘째, 장애인의 교육환경에 대한 지속적인 개선이 필요하다. 셋째, 장애인의 임금수준 향상을 위한 제도적 지원이 필요하다. The purpose of this study is to verify the mediating effect of wage level in the relationship between education level and self-efficacy of disabled people. To this end, this study analyzed the Panel Survey of Employment for the Disabled (PSED) 2nd wave 3rd data, and conducted Regression analysis and Sobel test. The research results of this study are as follows. First, higher education level leads higher wage level. Second, higher education level leads higher self-efficacy. Third, The wage level of disabled people was found to mediate between education level and self-efficacy of disabled people. Based on these research results, this study made the following suggestions. First, there are needs to reduce discrimination against disabled people in the process of entering colleges and universities and to improve the education system which focuses on the College Scholastic Ability Test(CSAT). Second, it is necessary to continuously improve the educational environment of disabled people. Third, institutional support is needed to improve the wage level of disabled people.
Kijin Kim,Nayoung Ahn,Suryun Jung,Solee Park 대한생리학회-대한약리학회 2017 The Korean Journal of Physiology & Pharmacology Vol.13 No.3
The aim of this study is to investigate the effects of intermittent ladder-climbing exercise training on mitochondrial biogenesis and ER stress of the cardiac muscle in high fat diet-induced obese middle-aged rats. We induced obesity over 6 weeks of period in 40 male Sprague-Dawley rats around 50 weeks old, and were randomly divided into four experimental groups: chow, HFD, exercise+HFD, and exercise+chow. The exercising groups underwent high-intensity intermittent training using a ladder-climbing and weight exercise 3 days/week for a total of 8 weeks. Highfat diet and concurrent exercise resulted in no significant reduction in body weight but caused a significant reduction in visceral fat weight (p<0.05). Expression of PPARδ increased in the exercise groups and was significantly increased in the high-fat diet+exercise group (p<0.05). Among the ER stress-related proteins, the expression levels of p-PERK and CHOP, related to cardiac muscle damage, were significantly higher in the cardiac muscle of the high-fat diet group (p<0.05), and were significantly reduced by intermittent ladder-climbing exercise training (p<0.05). Specifically, this reduction was greater when the rats underwent exercise after switching back to the chow diet with a reduced caloric intake. Collectively, these results suggest that the combination of intermittent ladder-climbing exercise training and a reduced caloric intake can decrease the levels of ER stress-related proteins that contribute to cardiac muscle damage in obesity and aging. However, additional validation is required to understand the effects of these changes on mitochondrial biogenesis during exercise.
Kim, Kijin,Ahn, Nayoung,Cheun, Wookwang,Hong, Changbae,Byun, Jayoung,Joo, Youngsik The Korean Society of Pharmacology 2015 The Korean Journal of Physiology & Pharmacology Vol.19 No.2
This study analyzed the differences in aerobic and anaerobic exercise ability and growth-related indicators, depending on the polymorphism of the ACE and the ACTN3 genes, to understand the genetic influence of exercise ability in the growth process of children. The subjects of the study consisted of elementary school students (n=856, age $10.32{\pm}0.07yr$). The anthropometric parameters, physical fitness and growth factors were compared among groups of the ACE I/D or the ACTN3 R577X polymorphisms. There were no significant differences between the anthropometric parameters, physical fitness and growth factors for the ACE gene ID or the ACTN3 gene R577X polymorphism. However, the DD type of ACE gene was highest in the side step test (p<0.05), and the DD type was significantly higher than the II+ID type (p<0.05) in the early bone age. The combined group of the ACE gene II+ID and the ACTN3 gene XX type significantly showed lower early bone age (p< 0.05). This study did not find any individual or compounding effects of the polymorphism in the ACE I/D or the ACTN3 R577X polymorphisms on the anthropometric parameters, physical fitness and growth factors of Korean children. However, the exercise experience and the DD type of the ACE gene may affect the early maturity of the bones.