http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
이시헌,원시태,Lee, Si-heon,Won, Si-tae 한국금형공학회 2008 한국금형공학회지 Vol.2 No.1
we can save a development cost and time as computer was used in tool and die design of car fields in die manufacture process. Dimension accuracy errors such as springback, springgo, overcrown and twist were reduced product accuracy and caused trouble to assembly each parts of car. In this paper, CADCEUS was used to modify and optimize results of deflection for a tail gate panel of car parts in order to reduce dimension accuracy errors by springback in sheet metal forming. As CADCEUS was used to apply for a tail gate panel, the time for quality to improve was reduced to 30%.
웹 사용 마이닝을 위한 퍼지 카테고리 기반의 프랜잭션 분석 기법
이시헌(Si-Heon Lee),이지형(Jee-Hyong Lee) 한국지능시스템학회 2004 한국지능시스템학회 학술발표 논문집 Vol.14 No.1
웹 사용 마이닝(Web usage mining)은 웹 로그 파일(web log file)이나 웹 사용 데이타(Web usage data)에서 의미 있는 정보를 찾아내는 연구 분야이다. 웹 사용 마이닝에서 일반적으로 많이 사용하는 웹 로그 파일은 사용자들이 참조한 페이지의 단순한 리스트들이다. 따라서 단순히 웹 로그 파일만을 이용하는 방법만으로는 사용자가 참조했던 페이지의 내용을 반영하여 분석하는데에는 한계가 있다. 이러한 점을 개선하고자 본 논문에서는 페이지 위주가 아닌 웹 페이지가 포함하고 있는 내용(아이템)을 고려하는 새로운 퍼지 카테고리 기반의 웹 사용 마이닝 기법을 제시한다. 또한 사용자를 잘 파악하기 위해서 시간에 따라 관심의 변화를 파악하는 방법을 제시한다.
Herpes Zoster Duplex Bilateralis 1 예
김상원,이시헌,정병철 대한피부과학회 2001 大韓皮膚科學會誌 Vol.39 No.5
Herpes Zoster duplex-zoster affecting 2 separate dermatome simultaneously- is a rare disease. A 65 year old man, healthy in the past, presented with severely painful grouped papulovesicles and hemorrhagic crusts on the erythematous base on the right forehead & nasal bridge(V-I dermatome) and left chest(T4 dermatome) with nearly simultaneous occurrence. Tzanck smear revealed multinucleated giant cells and biopsy taken from the chest lesion showed the features consistent with herpetic viral blister. He was treated with intravenous administration of acyclovir for 5 days and both lesions were markedly improved.
손재경,이시헌 대한의진균학회 2001 대한의진균학회지 Vol.6 No.2
Background: Onychomycosis is a common disease and has a tendency to increase in its incidence. Although there have been many reports about onychomycosis, very few studies about onychomycosis in the elderly have yet been conducted. Objective: The purpose of this study was to investigate the clinical and mycological features of onychomycosis in the elderly, and to evaluate the concept and attitude of the elder patients towards onychomycosis, which would affect the treatment and further infections of onychomycosis. Method: Sixty eight onychomycosis patients over 60 years old were examined clinically and surveyed by questionnaire to evaluate their concern about the onychomycosis. All the patients were confined by potassium hydroxide (KOH) examinations and underwent cultures on the both cornmeal potato agar with and without cycloheximide. An additional culture was done a week later when the intial culture showed contamination or no growth. Results: Among 648 patients with onychomycosis, 68 patients (10.5%) were over 60 years old. Fifty(73.5%) were female and 18 (26.5%) ware male. Twenty six (38.2%) had systemic illness. The average duration of onychomycosis was 13 years and the average number of onychomycosis involving nails was 4.7. Sixty three patients (92.6%) had toe nail onychomycosis. Sixty six patients (97.1%) showed distal subungal onychomycosis. Trichophyton rubrun was the main causative organism in 38 patients (55.9%). Forty one patients (60.3%) discontinued the medication in 4 weeks, and 11 (16.2) were treated over 12 weeks. From the questionnaire, only 10 patients reported previous treatment far this problem, but with duration of treatment no longer than one month. Fifty three patients had mere understanding atypical alternation in their nails before the visit. The main reasons of the discontinuing the medication were the cost of the treatment, physical discomfort due to age, and extended duration of the therapy. Conclusion: From this study, we noticed that the elder onychomycosis patients could be long time carriers of fungi because of their lack of the knowledge of onychomycosis and insufficient treatment. Therefore, it is necessary to deucate and support to treat the elder patients effectively. [Kor J Med Mycol 6(2): 77-83]
삼첨판 폐쇄부전 환자에 동반된 반응성 천공성 교원증 1예
김상원,손재경,이시헌 대한피부과학회 2000 大韓皮膚科學會誌 Vol.38 No.10
Reactive perforating collagenosis(RPC) is a kind of perforating disorder characterized by the transepidermal elimination of altered dermal collagen. Two types have been recognized; the childhood or inherited form and the adult or acquired form. Acquired RPC is frequently associated with diabetes, chronic renal failure with nephropathy and liver disease. We describe a case of RPC in a 41-year-old woman of about 2 months' duration. She has had a problem of tricuspid regurgitation for 3 years. Skin lesions showed scattered umbilicated papules with central keratotic plugs, 0.3-0.8cm sized, located on the proximal extremities.
김상원,안병준,이시헌,정병철 대한피부과학회 2001 大韓皮膚科學會誌 Vol.39 No.4
A rare case of perforating pilomatricoma is reported. A rice grain-sized lesion occurred on the 23-year-old man's left upper arm about 3 years ago. It has developed into a 0.5×0.8cm sized well-defined scaly hard tumor during recent 1 year. Excised tumor showed small islands of shadow cells in the mid-dermis and calcified materials, extruded from the dermis into the deeply invaginated epidermis, by transepidermal elimination.
김상원,정현,이시헌,정병철,우민정 대한피부과학회 2002 大韓皮膚科學會誌 Vol.40 No.3
Nodular fasciitis is an uncommon nonneoplastic swelling consisting of reactive fibroblastic proliferation occurring in the subcutaneous tissue of the extremities. It is characterized by benign clinical course and aggressive histologic features mimicking soft tissue sarcoma, Herein we report a 33-year-old man with a solitary, tender, 1.2×1.5cm sized hard nodule on the right forearm which clinically and histologically shows a typical nodular fasciitis.