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이재도,양승복 대구보건대학 1992 대구보건대학 論文集 Vol.13 No.-
The study is aimed at developing the parellel processing interpriter for normal order reduction algorithm, which process the functional program. Programmer can develop programs regardless of hardware and parellelism of the algorithm becase functional program is easy to detect parellelism and nees not synchronization aming tasks. After several tast program execated, I see 2.1 and 3.5 times speed-up effect in SUM.L and COND.L program, each other.
이재도,양승복,정수웅 대구보건대학 1994 대구보건대학 論文集 Vol.14 No.-
In this paper, Using a Fuzzy theory an On-Line phoneme recognition procedure of Korean characters is studied. The recognition method is performed by reading the pixel coordinates, finding the feature points, recognizing the stroke, recognizing the phoneme in order. In the course of recognizing the stroke, first the feature points of an inputed stroke is characterized by starting point, end point, and bending point. and then, based on 0, 5, 6, 7, 8, 9, and 10 stroke code among the recognized stroke the distance or direction between base stroke and the next input stroke is used for recognizing the phoneme
이재도 대구보건대학교 2012 대구보건대학 論文集 Vol.32 No.-
This study was analyzed by a questionnaire targeting 420 students currently enrolled in D College as on Dec 20ll. According to the result of sruvey regarding the purpose of using library by students the Primary purpose was indicated as 'Personal study' subsequently with an order of 'Liberal reading', 'Classpreparation', 'Acquisition & research of materials' and regarding Library use 1-5 times use indicated the most frequent usage in which 25% was responded not use at all. And 'Paperback books' were indicated most frequently used materials and subsequently showed with the order of 'Printing journal', 'Electronic journal', 'Video data' etc. Regarding the Quality of materials & information resource service of the library, the highest mark was given to 'Diverse paperback books' whereas, lower mark was placed to 'Process quickly wish lists materials'. The satisfaction degree of respondents regarding Library use & Service support, the highest mark was indicated at 'Quick & convenience lending & return books' and indicated below average satisfaction degree in 'Appropriate publicity for the library', 'Appropriate education & guidance on the use of the library', 'Access to IT information resources available at home(e-book, e-learning, video ect.)'. The result of satisfaction degree according to the survey regarding Library facility & equipment, a high mark was given to 'Quiet library atmosphere' but relatively low mark was given to 'Library equipped well computer & related equpment'
탄화수소에 의한 NO 의 선택적 촉매 환원 반응에 대한 SnO2 의 촉매 반응 연구
이재도,이순보,이오상 한국화학공학회 2000 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.38 No.5
탄화수소가 공존하는 과잉 산소 분위기에서 SnO₂에 의하여 NO_χ가 환원되는 반응 메커니즘과 환원 활성에 대하여 연구하였다. 승온탈착 실험에서 환원 처리된 SnO₂표면에 흡착된 NO는 150℃에서 NO로 탈착하고, 산화 처리된 경우에는 200, 300 및 390℃에서 NO₂로 탈착하는 것이 관찰되었다. 그러나 탄화수소(에틸렌, 프로필렌 및 프로판)를 이용한 선택적 촉매 환원 반응에서는 NO_χ 환원 활성 온도 영역에서 오히려 NO₂의 배출이 억제되었다. 같은 실험조건에서 NO_χ 환원 활성의 상대적 세기는 "에틸렌>프로필렌≫프로판"의 순으로 나타났으며, 본 실험 범위 내에서 반응 기체 중의 산소 농도 증가는 탄화수소 종류에 상관없이 NO_χ 환원 활성을 감소시키는 것으로 나타났다. 또한 NO_χ의 환원은 탄화수소의 연소와 함께 시작되는 것을 관찰할 수 있었다. 이러한 결과로부터 SnO₂에 의한 NO_χ 환원은 SnO₂표면에 생성된 NO_χ와 탄화수소 활성체에 의하여 이루어지는 것으로 해석하였다. The mechanism and activity of SnO₂for the selective catalytic reduction of NO_χ at the atmosphere of hydrocarbons and an excess of oxygen has been studied. Temperature-programmed desorption showed that only NO was desorbed from the surface of reduced-SnO₂at 150℃ and NO₂was desorbed from the surface of oxidized-SnO₂at 200, 300, and 390 ℃, respectively. For the selective catalytic reduction of NO_χ by hydrocarbons(ethylene, propylene, and propane), however, the formation of NO₂was depressed in the NO_χ reduction temperature region. The relative intensities of NO_χ reduction appeared to be the order of "ethylene>propylene≫propane" under the same experimental conditions. NO_χ reduction activities had a tendency to decrease with increasing oxygen concentrations in the reaction gas compositions irrespective of hydrocarbon species our experimental conditions. It was observed that the NO_χ reduction starts with the hydrocarbon combustion. From the results, it was proposed that NO₂was reduced by activated intermediate of hydrocarbons and NO₂, formed on SnO₂.