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        검색결과 6

        1.
        2016.06 KCI 등재 구독 인증기관 무료, 개인회원 유료
        Graphene was grown on molybdenum (Mo) foil by a chemical vapor deposition method at different growth temperatures (1000°C, 1100°C, and 1200°C). The properties of graphene were investigated by X-ray diffraction (XRD), X-ray photoelectron spectroscopy, and Raman spectroscopy. The results showed that the quality of the deposited graphene layer was affected by the growth temperature. XRD results showed the presence of a carbide phase on the Mo surface; the presence of carbide was more intense at 1200°C. Additionally, a higher I2D/IG ratio (0.418) was observed at 1200°C, which implies that there are fewer graphene layers at this temperature. The lowest ID/IG ratio (0.908) for the graphene layers was obtained at 1200°C, suggesting that graphene had fewer defects at this temperature. The size of the graphene domains was also calculated. We found that by increasing the growth temperature, the graphene domain size also increased.
        4,000원
        2.
        2013.09 KCI 등재 구독 인증기관 무료, 개인회원 유료
        It has been demonstrated in a previous study that carbon nanotube (CNT)/epoxy/basalt composites produce better flexural properties than epoxy/basalt composites. In this study, mode I fracture tests were conducted using CNT/epoxy/basalt composites with and without seawater absorption in order to investigate the effect of the seawater absorption on the mode I fracture toughness (GIC) of the CNT/epoxy/basalt composites. The results demonstrated that the compliance of the seawater-absorbed specimen was larger than that of the dry specimen at the same crack length, while the opposite result was obtained for the fracture load. The GIC value of the seawater-absorbed CNT/epoxy/basalt composites was approximately 20% lower than that of the dry CNT/epoxy/basalt composites.
        3,000원
        3.
        2001.12 KCI 등재 구독 인증기관 무료, 개인회원 유료
        5,100원
        4.
        2007.12 KCI 등재 서비스 종료(열람 제한)
        A new poinsettia cultivar 'Scarlet' was bred by the National Horticultural Research Institute (NHRI) in 2006. A cross was made between 'Christmas Eve', a variety with dark green leaves and dark red bracts, and 'Red Velvet', a red colored variety in 2003. 'Scarlet' was finally selected in 2006 after investigating the growth and flower characteristics from 2004 to 2006. 'Scarlet' has bright red colored and elliptic bracts and has absent or very weak intensity of rugosity between veins in bract. In comparison with the check variety, 'Red Velvet', plant height is tall, leafblade is long and narrow. Petiole is also longer than that of 'Red Velvet'. Short day response is fast and its bracts are fully colored 7 weeks after short day commencement.
        5.
        2007.12 KCI 등재 서비스 종료(열람 제한)
        A new poinsettia cultivar 'Miss Maple' was bred by the National Horticultural Research Institute (NHRI) in 2006. A cross was made between 'Sonora Red', a variety with short plant height, dark green leaves and dark red bracts, and 'Cranberry Punch', a deep pink colored variety in 2003. 'Miss Maple' was finally selected in 2006 after investigating the growth and flower characteristics from 2004 to 2006. 'Miss Maple' has light red colored and obovate bracts, and has weak intensity of rugosity between veins in bract. Fully colored transitional leaves are so deeply lobed that they resemble the leaves of maple. Plant height is shorter than that of 'Cranberry Punch', the check variety. Short day response fast and its bracts are fully colored 7 weeks after short day commencement.
        6.
        2007.09 KCI 등재 서비스 종료(열람 제한)
        A new standard rose cultivar ‘Pink Stone’ was bred from the cross between red standard cultivar ‘Red Queen’ and pink standard cultivar ‘Vivaldi’ at the National Horticulture Research Institute. The cross was made in 2001 and ‘Pink Stone’ was finally selected in 2006 after investigating characteristics for three years from 2003 to 2006. ‘Pink Stone’, a deep pink standard cultivar grows vigorously and has powder mildew resistant. The major characteristics of this cultivar are 115.1 stems/m2/year in yield, 77.7 cm in length of cut flower, 10.5 cm in flower diameter, 67.0 in petal number, and 12.0 days in vase life. This cultivar can be propagated by both cutting and grafting. The consumer’s preference of this cultivar is relatively higher than that of control cultivar, ‘Noblesse’.