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유리피판술을 이용한 진행성 반안면 위축증(Romberg's Desease)의 치험
백롱민,정두성,백세민 大韓成形外科學會 1999 Archives of Plastic Surgery Vol.26 No.5
Romberg's disease is an uncommon condition manifested by progressive hemifacial atrophy of the skin, soft tissue and bone. Facial asymmetry with soft tissue deficiency in Romberg's disease causes a significant disability affecting the social life and can bring about many psychological problems. The aim of surgical treatment is cosmetic amelioration of the defect. Several conventional reconstructive procedures have been used for correcting facial asymmetry. They include fat injections, dermal fat grafts, silicone injections, cartilage and bone grafts, pedicled flaps and free flaps. We report our experience with 6 patients involving 6 free flaps with a minimun of 1 year follow-up who were treated from October 1989 to March 1998. All patients were classified as having moderate to severe atrophy. The average age of disease onset was 4.5 years. The average duration of atrophy was 5.2 years. No patient was operated on with a quiescent interval of less than 1 year. The average age at operation was 14.1 years, ranging from 10 to 24 years. Follow-up ranged from 1 to 9 years. Reconstruction was performed using 2 groin dermofat free flaps and 4 latissimus dorsi muscular free flaps. To achieve the finest symmetrical and aesthetic results, several ancillary procedures were performed in 4 patients. These procedures included Le-Fore 1 ½ leveling osteotomy, sagittal split ramus osteotomy, reduction malarplasty and angleplasty, rib and calvarial bone graft, correction of alopecia and additional dermofat graft. All patients were satisfied with the results. We believe that free flap is one of the best choices for contoured restoration of facial asymmetry in Romberg's disease.
Mi Jin Jeong,Hyun Jin Song,Seon Jeong Sim,Yeong Rong Seo,Hyeon Jeong Im,Gang Uk Suh,Chandrakant. S. Karigar,Myung Suk Choi 경상대학교 농업생명과학연구원 2015 농업생명과학연구 Vol.49 No.1
The effects of seed soaking treatment with the solutions of plant growth regulators IAA, GA3 and BAP on seed germination and shoot and bulb growth of Allium victorialis var. platyphyllum (Korean wild garlic) were determined. A significant variation in the seed germination rate was recorded at all treatments for various soaking periods. Maximum seed germination was obtained when seeds were soaked in IAA or GA3 solution at 200 mg L-1. The MAP treated seeds started to germinate after 3 months. Among treatments, IAA was found to be most effective in improving seed germination, but further seedling growth was not correlated to the soaking time. Seed soaking in IAA or GA3 solution enhanced further growth of seedlings compared with water control treatment. Shoot and bulb growth was highest in GA3 treatments.
Preparation of Superhydrophobic Coating Films
( A Rong Jeong ),( Jun Su Kim ),( Jon Do Yun ) 경남대학교 신소재연구소 2012 신소재연구 Vol.24 No.-
As the nano technology is developed, the nano materials with a super hydrophobic surface has been studied. Self-cleaning function of Lotus leaf to wipe clean the impurities on its surface is excellent because it has a unique nanostructure. By using the effect to solar panels, it may clean surface itself by rain. In this study, coating films were prepared by the 2 step process. To provide surface roughness, we prepared silica form of sphere by self-assembly monolayer. By changing the composition and processing variables optimum condition was determined. Contact and sliding angles were measured using contact angle analyzer. Microstructure was observed by LOM and FE-SEM.
Construction of locust-pathogenic fungal library and use as biological control agents
Mi Rong Lee,Jeong Seon Yu,Min Ho Song,Se Jin Lee,Jae Su Kim 한국응용곤충학회 2015 한국응용곤충학회 학술대회논문집 Vol.2015 No.10
ocust, Locusta migratoria (Orthoptera: Acrididae) is one of the outbreaking pests worldwide and such big occurrence was recorded in 2014, Korea, however little consideration was given to the management strategy of the pest. Herein we established a indoor locust-rearing system and constructed a locust-pathogenic fungal library to further facilitate the resources to be used as possible biological control agents. A locust colony was provided from the National Institute of Agricultural Science and Technology and reared in corn or barley plants at artificially manipulated rooms. The critical developmental stages, such as oviposition, hatching and mating were successfully proceeded. Entomopathogenic fungal granules were treated to the locust (2 g/rearing box), and in 5~7 days mycosis was observed in the membranous cuticles of head, abdomen and legs. In particular JEF-003 (Metarhizium anisopliae), JEF-186 (M. lepidiotae) and JEF-187 (Clonostachys rogersoniana) showed high virulence against the locust. A population of locust was exposed to the entomopathogenic fungal conidia-incorporated soil to investigate the possibility of the fungal isolation from natural soil, which resulted in the pathogenesis in 7~10 days in laboratory conditions. More than 80% of control efficacy was observed in the greenhouse trial of fungal granular application. This work suggests that locust rearing system was successfully established and entomopathogenic fungi can be used to control the migratory locust.