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개교환자에 있어서 Digital Sound Spectrograph를 사용한 음향 음성학적 비교연구
오득재,이환수,김오환 全北大學校 齒醫學硏究所 1993 전북치대논문집 Vol.11 No.1
The purpose of this study was to comparing the speech of openbite patients with normal adults and taking the fundamental data for comparing changes in post-orthognathic surgery state. Studies in speech changes of orthognathic surgery have been examined by subjective evaluation. Thus we were taken the objective results using a digital sound spectrogaph with computer-based speech analysis system. One experimental group and one control group were used for this study. They were respectively composed of six openbite patients and ten normal adults with Angles' classification Ⅰ. The results were as follows : 1. In openbite patients, Articulatory positions are formed posteriorly in pronouncing the vowel sounds. 2. Low articularoty sounds were shown in tone color(bandsidths of the first, second formants) of speech of openbite patients. 3. There was no forming the pronouncing constriction remarkable in fricative sound of openbite patinets. 4. There was the delay appearance of articulation reaction time to enlargement of total duration, vowedl duration in openbite patients.
오구영,임미숙,정재우,조용환 충북대학교 컴퓨터 정보통신 연구소 2000 컴퓨터정보통신연구 Vol.8 No.1
본 논문은 OSP(Outside Plant) 투자지능화 시스템개발을 위해서 국내외에서 개발하여 사용하고 있는 선로투자공급 시스템들에 대하여 관심을 두고, 관련된 시스템들을 조사하여 각각의 시스템의 특징 및 구성에 대하여 분석하였다. 이러한 분석결과를 토대로 국내 통신 사업체에서 통신망 계획 및 분석을 위해 앞으로 개발하여야 할 선로투자공급 모형에 대한 기준을 제시한다. This paper analysed systems that are developed as relevant systems for OSP. We focused their distinction and composition of each system which are developed and used to interior and overseas. This result is able to propose the standard model of a Intelligent System for OSP model which have to develop system for plan and analysis of communication network to telecommunication operator.
패혈증 백서 모델에서 TNF-α와 지질과산화에 대한 Tetracycline의 효과
오득재,김오환 대한악안면성형재건외과학회 2002 Maxillofacial Plastic Reconstructive Surgery Vol.24 No.1
SIRS (systemic infalmmatory response syndrome) is an unresolved problem,. in which systemic cellular injury is induced by the inflammatory cells. In SIRS, TNF-α plays a key role as a mediator of inflammation and toxic oxygen radicals are known to be final effectors of stimulated leukocytes. Tetracycline (TC) is a broad-spectrum antibiotics which is effective to periodontitis and oral infections. There have been several reports on the non-antimicrobial effects of TC, such as the antioxidant effect and the TNF-α suppression effect. But the in vivo effect of TC on TNF-α production and peroxidation damage has not yet been elucidated exactly. This experiment is designed to evaluate the effects of TC on TNF-α production and lipid peroxidation in sepsis. Female Sprague-Dawley rats were divided into three groups : a control group, a group injected with TC, and a group injected with gentamicin (GM). Sepsis model was made by making large subcutaneous abscess in the back skin of the rats. After sacrificing five rats of each group at intervals of 24 hours and 48 hours after abscess formation respectively, the biochemical assays of malondialdehyde (MDA) levels, superoxide dismutase (SOD) activity and catalase activity in liver and lung tissue and TNF-α level and nitrate/nitrite level in serum were performed, and histological findings of liver and lung tissue were examined microscopically. Conclusively TC has a definite protective effect against lipid peroxidation and antioxidant enzyme exhaustion in sepsis, and has a tendency to suppress the nitric oxide secretion in sepsis. Unexpectedly TC has a tendency to augment TNF-α production in sepsis, which suggests no direct relation between TNF-α and oxygen radical production or nitric oxide production. Further evaluation is necessary to explain the mechanism.
吳東財,申榮宇,張煥一,趙京杉,朴康圭 大韓神經精神醫學會 1985 신경정신의학 Vol.24 No.1
The authors experienced a female schizophrenic patient who revealed severely decreased leucocytes (350/㎣) with the manifestation of high fever, chillness and sore throat after the oral administration of neuroleptics. Agranulocytosis induced with the use of neuroleptic drugs has been well known complication in psychiatric practice although it is quite rare. In this case, following the combined use of neuroleptics (thioridazine halopondol and chlorproonazine), severe decrement of leucocytes (mainly lymphocytes with few neutrophils) was noticed on peripheral blood and marked decrement of erythroid series, especially of myeloid series, with decrement of total cellular elements were confirmed through the biopsy of bone marrow. She did not responded at all to the massive administration of antibiotics, but dramatic improvement was noticed both clinically and in the follow-up biopsy findings of bone marrow after two times trial of leukapheresis.
새로운 행정의 관리방식으로서의 Governance의 이해와 적용
오시환,이재호 진주여자전문대학 1998 論文集 Vol.21 No.-
The study of this purpose is to explore the concept and application of governance. Government and government leaders continue attempting to find a better way of governing. The term Governance refers to a change in the meaning of government. In contemporary public administration, the concept of choice is governance. There are many uses of governance. For example, it refers minimal state, corporate governance. The study stipulate one meaning to show how the term can contribute to the analysis of change in contemporary public administration. It means the new public management. To apply governance the four models and the four dimensions of evaluation are used : Market Government, Participate Government, Flexible Government, and Deregulated Government. A careful look at the dimensions of change should enable readers to understand the strengths, weakness, implications, and interactions of the four models as well as of the specific reforms that are derived from them. Four emerging visions of governance each contain some conception of the public interest and an overall idea of what constitutes good government.