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자유수면을 관통하는 실린더 주위 유동 특성에 대한 수치적 연구
안규중,구본국,김지혜 한국전산유체공학회 2022 한국전산유체공학회지 Vol.27 No.4
In this paper, the flow characteristics around the a free surface piercing cylinder are numerically predicted using the commercial flow analysis program (Star-CCM+). For a cylinder with a circular cross-section, the changes in the shape of the free surface according to the Froude number are examined, and the numerical results are verified by comparing it with the theoretical result and the existing experimental data. In addition by changing the shape of the cross-section of the body, the characteristics of the flow characteristics are examined, and in particular, the characteristics of vortical flow behind the body which can cause the flow noise are closely investigated.
안규중 대한의진균학회 1998 대한의진균학회지 Vol.3 No.2
The yeasts of the genus Malassezia, of which type species is Malassezia furfur (Robin) Baillon 1889, are dimorphic and lipophilic and are members of the normal cutaneous flora in humans Early taxonomic descriptions of Malassezia yeasts were limited by the failure of investigators to culture this fungus and were based solely on micromorphological descriptions of the organism in skin samples. The culture could be possible only after the lipophilic nature of this fungus was demonstrated and the question of dimorphism was solved. Malassezia has been the genus name formally accepted for both phases of growth, mycelia(Malassezia) and yeasts(Pityrosporum). Variations in the morphology of Malassezia species were noted even some of the sallies descriptions of the organism in the skin. Stable morphological, physiological and immunological variants have been claimed and the taxonomic status of these has been becoming realized with the application of molecular techniques. Recently, the genus Malassezia was revised using morphology, ultrastructure, physiology and molecular biology by Gue’ho or α1. As a result the genus has been enlarged to include seven species comprising M. furfur, M. pachydermatis, M. sympodialis, M. globosa, M. obtuse, Ml restricta and M. slooffiae. Malassezia yeasts reside predominantly in regions of high sebum excretion as members of the microbiological flora of the skin. Malassezia yeasts are also implicated in various diseases, including pityriasis versicolor, Malassezia folliculitis, seborrheic dermatitis and systemic fungal infections.
안규중 건국대학교 의과학연구소 1994 건국의과학학술지 Vol.4 No.-
Clinical types of onychomycosis consist of distal subungual onychomycosis, white superficial onychomycosis, proximal subungual onychomycosis and candidal onychomycosis. Proximal subungual onychomycosis is the least common variant and starts as a whitish area on the proximal part of the nail plate. T.rubrm is the usual causative dermatophyte. The author reports a case of proximal subungual onychomycosis of the fingernails caused by T.rubrn.
안규중,Ashbee, H . Ruth 대한피부과학회 1996 Annals of Dermatology Vol.8 No.1
Background : There have been several reports which assessed the activity of antifungals including azoles on Malassezia furfur by agar dilution method. However, they did not differentiate M. furfur into groups. In addition, the media for growth and minimum inhibitory concentration (MIC) determination, incubation temperature and length of incubation differed from each other. Objective : The aim of this study was to test the antifungal activities of miconazole, clotrimazole, ketoconazole and itraconazole by determining MICs for M. furfur serovars A, B and C for these drugs. Methods : MICs were determined by the agar dilution method. Leeming & Notman's Maktssexia furfur agar medium was used. Results : In all strains of serovars A, B and C, the MICs for miconazole were similar to those for clotrimazole ; MICs for ketoconazole were also similar to those for itraconazole ; MICs for miconazole or clotrimazole were higher than those for ketoconazole or itraconazole. Conclusion : The results suggested that ketoconazole or itraconazole could be used more effectively than miconazole or clotrimazole for the treatment of the diseases caused by M. furfur.
기회감염 유발 진균에 의한 피하 진균 감염증(1960-1999)
안규중 대한의진균학회 2000 대한의진균학회지 Vol.5 No.3
The reports on the subcutaneous infection cases by the opportunistic fungi, reported in Korean Journal of Dermatology, Annals of Dermatology and Korean Journal of Medical Mycology from 1960 to 1999, were summarized. The opportunistic subcutaneous fungal diseases were cryptococcosis, aspergillosis, mucormycosis, pheohypomycosis, pseudallescheriasis, chromomycosis, paecilomycosis, fusariosis, sporotrichosis. Only two cases were the systemic infection with cutaneous manifestations and the others were the primary cutaneous infection. Besides sporotrichosis, all the fungal diseases began to be reported since 1980's. The total number of the cases was insidiously increased. [Kor J Med Mycol 5(3): 101-107]