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서울의 Penicillinase Producing Neisseria gonorrhoeae 발생빈도(1998)
김재홍,김준호,반재용,이정우,황성주,정준규,정성태,강진문,조흔정,홍창의,정혜신,이한승,김이선,이봉길,이종호,선영우,한기덕,윤성필,이성훈,안종성,박석범,문승현,조항래,김형섭,류지호,황재영,박준홍,손상욱 한양대학교 의과대학 2001 한양의대 학술지 Vol.21 No.1
In recent years, gonorrhea has been pandemic and remains one of the most common STDs in the world, especially in developing countries. For the detection of a more effective therapeutic regimen and assessing the prevalence of Penicillinase Producing Neisseria gonorrhoeae(PPNG), we have been trying to study the patients who have visited the Venereal Disease Clinic of Choong-Ku Public Health Center in Seoul since 1980 by menas of the chromogenic cephalosporin method. In 1998, 93 strians of N. genorrhoeae were isolated, among which 60(64.5%) were PPNG. The prevalence of PPNG in Seoul, which had been decreased to 39% in 1996 after a peak of 74.3% in 1993, is increased to 64.5% in 1998.
좌측 상하악 구치 후방부에 발생한 다형성 선종의 치험례
우길상,이은진,김상규,김진수,변기정 대한악안면성형재건외과학회 2002 Maxillofacial Plastic Reconstructive Surgery Vol.24 No.2
Pleomorphic adenoma is a circumscribed tumor characterized microscopically by its pleomorphic or mixed appearance, and its clearly recognizable epithelial tissue intermingled with areas of mucoid, myxoid, or chondroid appearance. Plemorphic adenoma, the most common tumor of the salivary glands, is now generally accepted as epithelial and benign adenoma. The palate is the most common site for minor salivary gland tumor. We experienced a case of pleomorphic adenoma occuring in the left retromolar pad area of unusual location. It is unusually large size so that the patient cannot close his mouth. The tumor occupied his mouth fully so that he has much difficulty in closing his mouth and breathing his breath. The lesion was treated with complete excision and reconstruced with buccal fat pedicle flap immediately on the operation under general anesthesia. Histopathological finding indicated pleomorphic adenoma on the left retromolar pad area.
이청웅,박화수,박길우,이향미 朝鮮大學校 建設技術硏究所 2002 建設技術硏究 Vol.22 No.1
This study analyzes the types of external forms of detached housing buildings, and conducts the S.D test with it and is to structurize the image of external form of buildings. Types of 24 detached housing buildings are analyzed in this vein and the results are as follows: (1) Mass type in the primary cognitive factor of building is mostly simple or multiple box type. (2) As a result of analyzing the secondary cognitive factor of building, horizontal type is most and it shows that it is the favorable structure in the stability of form. Roof shape and side pattern are mostly gable and plat roofs and it is known that traditional gable roof and flat roof influenced by modern construction are shown in housing. (3) To examine the tertiary cognitive factor, surface shape is mostly flat type and it shows a little monotonous composition. Also finishing materials are concrete and brick. S.D test of detached houses doesn't show the extreme psychological test disposition and does somewhat affirmative evaluation. As a result of conducting the factor analysis based on S.D test, nine psychological factors including 「originality」, 「pleasantness」, 「harmony」, 「ornamentation」, 「openness」, 「balance」, 「rhythm」, 「stability」 and 「orientation」. These can be called psychological factor axis which can evaluate the modern detached house.
이청웅,박길우,박성진 朝鮮大學校 建設技術硏究所 2001 建設技術硏究 Vol.21 No.1
From the point of time that 10 years passed since the design of elementary schools by prize contest has begun, the characteristics and types of architectural planning are classified with the selected works of the design of elementary schools by prize competition, the minimization of trial and error in planning elementary school through the design of elementary school by prize competition is sought in the side of qualitative improvement of educational environment through design contest, the minutes of screening works exhibited containing plan, design examination and improvement matters through the cooperation of East and West Board of Education, Gwangju and design offices selected and the checklists by new construction facility association of school building are collected in order to suggest the data as affirmative and effective design guideline the types of designs are classified in the side of the whole architectural planning after field survey, evaluation factors' of direct and indirect architectural design are summarized with reference to existing preceding research literatures and then the future considerations of design are to be extracted by analyzing the indication and improvement from design screening. In addition, the range of cases are 13 schools for the classification of architectural planning types among the prize winners' works of elementary school design from 1990 to 2000 and 17 schools in Gwangju for examining the distribution of concerns.
이정길,손덕수,이우영,유중학,임경화 한국공작기계학회 2004 한국공작기계학회 춘계학술대회논문집 Vol.2004 No.-
There was not the evident analysis about the cutting process of CNC machining, and wouldn't be difficult to estimate the result of machining for the various cutting conditions. Therefore they were not founded the systemic technology about the optimum cutting conditions and selection of cutting tools. So this study have investigated the common facts for needs through the end-mill cutting machining by Machining-Centers or High-speed cutting machines, and developed the user-centered intelligent decision system to selection of the methodology about cutting conditions to improve the machining efficiency of end-mill cutting process.
공구내부 냉각법에 의한 스테인레스강의 공구수명 향상에 대한 고찰
李吉雨 弘益大學校 産業技術硏究所 2005 産業技術 Vol.15 No.-
When stainless steel, a difficult work material, is cut, cutting forces increase and cutting temperature rises significantly. Consequently, the tool of life of high-speed steel becomes markedly short. To reduce the cutting temperature, the tool is cooled internally with water, and to reduce cutting forces, high-velocity cutting oil is applied. With the method of cooing and lubrication technique tool life becomes far longer, compared with that in ordinary cutting. Accordingly, this procedure would be very effective for cutting other difficult work materials.
골반내에 발생한 Proximal-type 유상피성 육종 1예
길준철,이상수,전병화,김성훈,손우석,목정은,박양순,강길현 대한부인종양 콜포스코피학회 2003 Journal of Gynecologic Oncology Vol.14 No.4
유상피성 육종은 매우 드문 악성 연조직 육종으로, 전형적인 경우들은 주로 젊은 남성의 수부, 전완부와 같은 신체의 원위부에 피하 혹은 심재성 피부 종괴로 발생하며, 조직학적 소견상 적은 비정형성을 나타내는 유상피성 세포와 방추형 세포의 증식에 의한 다발성 결절 형태의 배열을 보인다. 최근에 전형적인 유상피성 육종과 조직학적 유사성을 가지나 더 공격적인 형태인 proximal-type 유상피성 육종이 보고되었으며, proximal-type은 전형적인 유상피성 육종에 비하여 현저한 유상피성 세포의 발현과 매우 심한 비정형성을 나타내며, 세포가 매우 크고, 소포성 핵과 뚜렷한 핵소체를 보이며, 자주 rhabdoid 세포의 양상을 띈다. 임상적으로는 전형적인 형태에 비하여 호발 연령이 조금 늦고, 주로 체간부에, 특히 골반, 회음부, 생식기 등과 같은 심부에 발생하고, 더욱 공격적인 양상을 나타낸다. 저자들은 13세 소녀에서 원발부위를 알 수 없는, 골반내에 발생한 proximal-type 유상피성 육종 1예를 경험하여, 문헌 고찰과 함께 보고하는 바이다. Epithelioid sarcoma is a rare malignant soft-tissue sarcoma with an unknown histiogenesis, typically presenting as a subcutaneous or deep dermal mass lesion in the distal portions of the extremities of young adults. Recently, a more aggressive, so-called 'proximal-type' epithelioid sarcoma has been reported. In contrast to conventional epithelioid sarcoma, the proximal type is characterized by a predominantly large cell epithelioid cytomorphology, marked cytologic atypia, and frequent occurrence of rhabdoid features in most patients. Proximal-type epithelioid sarcoma has a predilection for appearing in the genitalia, especially the vulva, penis, pelvis and buttocks. Also this lesion appears to be somewhat more aggressive or at least metastasizes earlier than the conventional epithelioid sarcoma. We report a 13-year-old girl who presented with a buge mass filling the pelvic cavity which was painful, hard and fixed on palpation, and was radiologically diagnosed as a malignant germ cell tumors on the CT scan. The mass was surgically excised and pathologically proved to be an proximal-type epithelioid sarcoma of unknown origin.