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Ginsenosides Contents of Forest Cultivated Ginseng (Panax ginseng) in Korea
서형민,서세명,이동섭,우수영 한국산림과학회 2010 Forest Science And Technology Vol.6 No.2
The objective of this study was to collect basic data for medicinal ingredients such as ginsenosides (Re and Rb1) contents grown in forests in Korea. To achieve this purpose, 10 forest stands have been selected in various mountain areas. Agricultural cultivated ginseng was used to compare with ginsenosides of forest ginseng. Rb 1 and Re contents of forest ginseng grown in 10 forests were higher than agricultural cultivated ginseng. Regionally, Rb1, and Re contents of the Panax ginseng grown in Jeongsun, Sangju and Namyangju were generally higher than those of 10 other forests in Korea
서형민,최형준,김원기 대한건축학회 2001 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.21 No.2
In this study, load carrying capacity of bottom chord and stability of pipe member are researched in case that the eccentricity of welding joint is occurred in pipe truss bottom chords. Tensile test is performed with thickness 12㎜(Φ600×12) that have intermediate value among steel pipes of three kinds thickness (9㎜, 12㎜, 16㎜). Experimental parameters are eccentricity length of welding joint. The result of test shows that weldability, strength and ductility are superior regardless of eccentric distance.