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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.
오시환,이재호 진주여자전문대학 2000 論文集 Vol.23 No.-
The existing environmental policy in Korea is to be led by government. The role of government is principally lookout and lawmaking on environment. But new environmental policy in Japan emphasize on consumer s environmental life-style and pro-environmental management of enterprise. Especially Japan recognizes environmental policy steered by government not to be efficient any more. In order to bring many environmental problems to a harmonious settlement, invention of government create many policy failures preferably. New environmental policy in Japan is summed up mutual assistance of government, enterprise, consumer, and other organization. The emphasis on coexistence or commensalism of network constitution implies policy by governance. The environmental policy by governance suggest that prevention is better than cure.
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.
Cu량에 따른 Bi₂Sr₂Ca₂Cu₃O_(x)화합물의 특성에 관한 연구
오재근,주유환,손인호 경남대학교 환경문제연구소 2003 환경연구 Vol.26 No.-
We have grown Bi₂Sr₂Ca₂Cu₃O_(x) compound by improved directional solidification method with changing a quantity of Cu from 3.0 to 4.0 in order to examine substitution effect. The highest critical temperature arising in the Cu3.4 sample is about 110K. The critical temperatures of Cu3.2 sample and Cu3.8 sample are found to be about 80K. The Cu3.0 and Cu4.0 samples do not show the superconductivity. From the experiment we understand that the Cu3.4 sample is Bi-2223 phase and the other sample is a mixture of the Bi-2212 and some other phases.
이면재,오성석,임재환 남서울대학교 2007 남서울대학교 논문집 Vol.13 No.4
Various game platforms and multimedia contents have been converged ingame in our country. But, there is little research and case analysis on gameconvergence so far. In this paper, we show on convergence of gameplatforms and analyse convergence cases of various multimedia contents.And, we propose methods how to make successful game convergence ingame. This paper gives useful information to companies making game byusing game convergence. Key Words : Game Convergence
오환섭,김시현,김성재,양인수 한국공작기계학회 2002 한국생산제조학회지 Vol.11 No.6
Applications of brazing in the studying fields such as high-speed machining are very increasing in various industry fields. Therefore, applying to the fracture mechanics by numerical analysis method is very important to analyse the crack problem dissimilar materials in brazed interface. In this study, stress intensity factor(SIF) is analysed to investigate crack behavior on the crack tip of dissimilar materials in brazed interface such as a hardmetal and a HSS by two dimensional(2-D) BEM. Kelvin's solution was used as a fundamental solution in BEM analysis and stress extrapolation method was used to determine SIF.