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ESCO Column 1 - ESCO 사업의 활성화를 가져오다 'ESCO 팩토링 제도'
신형철,Sin, Hyeong-Cheol 에너지절약전문기업협회 2010 esco Vol.66 No.-
ESCO 기업의 사업규모가 늘어날수록 ESCO 관련 차입금이 증가하게 되고, 이는 곧 기업의 큰 리스크로 작용하게 된다. 이와 관련 ESCO 기업의 부채 비율은 낮춰주고, 자금조달의 어려움을 해결해주는 ESCO 팩토링 제도가 생겨났다. ESCO 사업을 활성화하는데 도움을 줄 팩토링 제도에 대해 알아보자.
선천성 장간막 결손에 의한 탈장의 CT 소견: 증례 보고
김영통,신형철,김형환,박성진,배원경,김일영,Kim, Yeong-Tong,Sin, Hyeong-Cheol,Kim, Hyeong-Hwan,Park, Seong-Jin,Bae, Won-Gyeong,Kim, Il-Yeong 대한영상의학회 2003 대한영상의학회지 Vol.48 No.3
성인에서 장간막을 통한 복강 내 탈장 (internal hernia)은 보통 수술이나 복부 둔상후에 생긴 장간막 결손에 의한 것으로 알려져 있다. 소아에서는 선천성 장간막 결손이 복강내 탈장의 흔한 원인이지만,CT 소견에 대한 보고는 비교적 드물다. 따라서 저자들은 장폐색 증상을 보인 13세 여아에서 선천성 장간막 결손에 의한 탈장으로 진단된 1예를 CT 소견과 함께 보고하고자 한다. Transmesenteric hernia occurs usually in adult patients who had history of an abdominal surgery or blunt abdominal trauma. Congenital mesenteric defect is a relatively common cause of internal hernia in children. However, the report of CT findings of congenital transmesenteric hernia is relatively rare. Thus, we report a case of congenital transmesenteric hernia occurring in a 13-year-old girl with intestinal obstructive symptoms, and include the CT findings.
최인호,오용근,정노팔,강병주,신형철,Choe, In-Ho,O, Yong-Geun,Jeong, No-Pal,Gang, Byeong-Ju,Sin, Hyeong-Cheol The Korean Society for Integrative Biology 1998 Korean journal of biological sciences Vol.2 No.1
The winter-resident Korean bats, Murina leucogaster ognevi, show a circadian cycle of thermoregulation and locomotion in summer, as do other bat species in temperate regions. They are most active between dusk and dawn with body temperature (Tb) of 35-4OC, and are usually torpid in their roost sites for the rest of day with their Tb close to ambient temperature (Ta) of around 15C. The present study was conducted to determine thermogenic and thermolabile properties of the heterothermic bats that would influence their daily feeding activities and ultimately, their energy conservation strategy. Testing on active male Murina, resting metabolic rate (RMR, gauged by oxygen consumption rate) at the lower limit of thermoneutral zone (31C) was 2.0 L kq-1 h-1. The regression slope of RMR below the thermoneutral zone (an index of metabolic thermal sensitivity) was -0.38 L $kg^{-l} h^{-1} C^{-1}$. The metabolic rate at the roost Ta (15C) was 4.5 times the lowest RMR in the active state but becomes nearly zero in the torpid state. This implies that by being torpid during daytime (between dawn and dusk), the individual bats would save about 4.7 kcal each day in mid-summer. Interspecific comparisons of thermal metabolic response over a mass scale suggest that the smaller bats show a relatively higher metabolic rate in thermoneutral zone and a greater thermal sensitivity of metabolism, which follows the general principle seen in homeothermic metabolism. Thermolabile features in metabolic responses seem to be fairly common for these bats in conditions other than a fully active state. Types of thermolabile responses and their energetic significance are discussed.
다중 주파수의 체적산란강도 차이를 이용한 에코그램 내에서의 종 분리와 잡음 제거
강돈혁 ( Kang Don Hyeog ),신형철 ( Sin Hyeong Cheol ),김수암 ( Kim Su Am ),이윤호 ( Lee Yun Ho ),황두진 ( Hwang Du Jin ) 한국수산과학회 2003 한국수산과학회지 Vol.36 No.5
N/A Species identification in hydroacoustic survey is one of the key requirements to estimate biomass of organism and to understand the structure of zooplankton community. Feasibility of species identification using two frequencies (38 and 120 kHz) was investigated on the basis of mean volume backscattering strength difference (MVBS). Virtual echogram technique was applied to two frequencies data sets that obtained from surveys in the Antarctic Ocean and Yellow Sea. Virtual echogram method using MVBS revealed the possibility of species identification, which species identification relying on visual scrutiny of single frequency acoustic data resulted in significant errors in biomass estimation. Through noise cancellation using MVBS, much of the acoustic noise caused by acoustic instruments could be removed in new virtual echogram, and the biomass estimation and data quality was improved.