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노종화,지옥표,문형인,Roh, Jong-Hwa,Zee, Ok-Pyo,Moon, Hyung-In 한국생약학회 2000 생약학회지 Vol.31 No.2
The herb of Melampyrum roseum var. hirsutum Beauv. was extracted with methanol and the extract was fractionated with n-hexane, chloroform, ethylacetate and n-buthanol. Repeated column chromatography of silica gel, Sephadex LH-20 and Lobar-A lichroprep Si 60 led to the isolation of five compounds from n-hexane layer and ethylacetate layer. These compounds were identified as apigenin, linarin, pectolinarin, wogonin and mussaenoside, respectively, by the physicochemical and spectral properties.
선박 밀폐구역 환기해석을 위한 네트워크 시뮬레이션과 CFD 시뮬레이션의 해석결과 비교
서정민(Jung-Min Seo),노종화(Jong-Hwa Roh) 대한설비공학회 2016 대한설비공학회 학술발표대회논문집 Vol.2016 No.6
The purpose of this study is to compare the result of the analysis between network simulation and CFD simulation about the ventilation analyses of confined spaces in a ship. The target area is a ballast tank in the bottom of a ship. And the distribution of welding fume concentrations with in the space was analyzed and compared. Although CFD simulation and network simulation have analysis methods with different calculation algorithms, the similar result was derived from the ventilation analysis of the target confined space.
문형인(Hyung In Moon),노종화(Jong Hwa Roh),이강노(Kang Ro Lee),지옥표(Ok Pyo Zee) 대한약학회 1999 약학회지 Vol.43 No.1
Four flavonoids were isolated from Adenophora remotiflora var. hirticalyx. Their structures were identified as quercetin (1), kaempferol (2), luteolin (3), pectolinarigenin-7-O-beta-glucoopyranoside(4) on the basis of spectral data.
고영호(Young-Ho Ko),노종화(Jong Hwa Roh),한명수(Myoung-Soo Han) 대한설비공학회 2013 대한설비공학회 학술발표대회논문집 Vol.2013 No.11
The dehumidifier is key components in painting process of shipbuilding. Many researchers have developed dehumidification means and dehumidifier. As a result, It is applied in building and other industrial fields successfully. However, developed dehumidifier is not appropriate method in production environment of shipbuilding, the present equipment is unconcerned about energy saving. This study is energy saving and performance evaluation on dehumidifier for shipbuilding. The method developed here can be used for dehumidification and dry in shipbuilding.