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백롱민,박재현,김진환,백세민,오갑성,정연철 大韓成形外科學會 1993 Archives of Plastic Surgery Vol.20 No.5
The shape and contour of the upper third of the face is provided basically by the frontal bone. A relatively thin soft tissue coverage, which consists of the skin and frontalis muscle, readily shows subtle changes on the underlying frontal bone. The forehead represents the fortune of one's youth from the viewpoint of physignomy, and a broad forehead with minimal supraorbital bossing and round curvature is preferrd in the Orient. The forehead with a deficient, flat contour or asymmetry could be indicated for augmentation. The exact site and amount of augmentation are dicided preoperatively using clinical assessment, medical photographs, and cephalometric analysis. Hydroxyapatite(Pyrost), because of its nonresorbability, seems to have advantages over other alloplastic materials for forehead augmentation. From March 1989 to February 1992 forehead augmentation has been performed in 60 patients. Through a coronal incision, the dissection was carried over the periosteum to the supraorbital ridge and the lateral orbital rim. The subperiosteal pocket was made through a small incision, and was packed with Pyrost. When indicated, facial rhytidectomy, or reduction malar plasty was performed simultaneously. The result had been satisfactory and long lasting. There had been no implant shifting, infection, or bony erosion when examed from 1 year to 4 years after surgery.
연구논문 : 탈색제에 의한 모발 손상 측정 및 모발 보호제 처리 효과
강갑연 ( Kap Yeon Kang ),최태부 ( Tae Boo Choe ) 한국미용학회 2007 한국미용학회지 Vol.13 No.3
In this study, extinction degree extracted from variety of hair sample shows that the hair is much bleached, the hair much damaged by MB dye process. After treating hair using collagen, cystine and gelatine hydrolysis material, MB extinction degree in this hair is gauged again and recovery of damaged hair made progress in 1st, 2nd, 3rd bleached hair sample. And, calculated recovery degree with former progress almost recovered in 1st bleached and considerably in 2nd bleached hair and rarely in 3rd bleached hair after handling collagen, cystine and gelatine hydrolysis material in 1st extraction. and it is verified that the reliability of MB dyeing process is high, as the result in 2nd extraction is same percentage in 1st extraction. Through this thesis, recovery degree of healthy hair and damaged hair with using MB dyeing process could be presented, and we can verify that degree of bleached hair is measured systematically and find a protection effect of hair care product.
A Simulation Study on a Workload-based Operation Planning Method in Container Terminals
Yeon-Ho Jeong,Kap Hwan Kim,Youn Ju Woo,Bo Hyeon Seo 대한산업공학회 2012 Industrial Engineeering & Management Systems Vol.11 No.1
A yard in a container terminal is a temporary storage space before containers are loaded onto the target vessel or delivered to consignees. For improving the utilization of the space in the yard and the efficiency of loading and discharging operations, it is important that operation plans must be carefully constructed in advance. A heuristic method is suggested to solve operation space planning problems considering workloads on handling equipment as well as space availabilities. The operation plans in this paper includes quay crane (QC) schedules and space plans for multiple vessels considering the workload in the container yard of container terminals. This paper evaluates the effectiveness of a space planning method and the performance of a new QC scheduling method using a simulation model.