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석유화학공장 방류수내 난분해성 유기물의 Fenton 산화처리
이규훈,정대영,박태주 한국환경과학회 1996 한국환경과학회지 Vol.5 No.1
The purpose of this study was to evaluate the partial oxidation of the biological treatment plant effluents using Fenton's reagent as a pretreatment step prior to a tertiary biological oxidation of these effluents. Fenton's reagent was evaluated as a pretreatment process for inhibitory or refractory organics. Based on the Fenton oxidation system, the petrochemical wastewater treatment plant effluent was shown to have significant improvement in toxicity after oxidation with hydrogen peroxide. For example, at range of 42∼184 ㎎/L COD of petrochemical plant effluents, the COD removal efficiencies were from 38.2% to 60.1% after reaction with hydrogen peroxide 200 ㎎/L and Fe^2+ 100 ㎎/L and reaction time was 30 minutes. The total TOC reduction were about 15.8∼22.4% with same test condition and difference between the overall removal rate and BOD/COD ratio after Fenton's oxidation estabilished in the biodegradation and otherwise meets the discharge standard or reuse for cooling tower make-up water.
이규훈 한국형사판례연구회 2009 刑事判例硏究 Vol.17 No.-
The Supreme Court of Korea pronounced that the court is not permitted to order the accused to make a donation and the like as the community service order of the Criminal Law. As there is no regulation about the definition, aim, types, contents, execution procedure of the community service order in the Criminal Law, This existing regulations about the community service order seem to be against the principle of “nulla poena sine lege." But the community service is a word with various meanings, and it is possible to give a concrete form to it by construction and let it be compatible with the principle. In my opinion to make restitution of an illegal profit, that is, make a donation can be a type of “the community service" of the Criminal Law for the following reason. 1) the community service means unpaid work or donation for the public weal in the common acceptation of the word. 2) the Probation Act doesn't provide that the court cannot order the accused to make a donation in the community service order(it just prescribes that the maximum execution limit is 500 hours when the court order the accused to provide unpaid work in the community service order). 3) the interpretation that making a donation can be a type of the community service not only closes a gap between imprisonment and suspended sentence, but also leads to a decision more harmonized with the accused's conditions. 4) the United Kingdom, United States of America, France, Germany, etc also try to interpret and manage the community service variously. The Supreme Court's decision conforms to the principle of “nulla poena sine lege” too rigidly. It’s a great pity that the Supreme Court's decision limit the types of community service.
초고속 LINESCAN 방식의 자동 결함 검출 시스템에 관한 연구
이규훈,김용,김희태,엄기복,원혜경 동국대학교 산업기술연구원 2001 산업기술논문집 Vol.12 No.2
본 논문에서는 Linescan Camera를 이용하여 정밀 산업분야에서 제품의 외형검사나, 인쇄물의 결함을 검사하는 자동결함 검사기술에 대해 제안하였다. 고 해상도용 초고속 영상 처리 전용 ASIC을 채택하여 초고속 고분해능 검사를 구현하였다. 영상처리 알고리즘으로는 줄 길이 부호와(Run-length coding), 다단계 이치화(Multi-level thresholding), 고속적응 줄 매칭(fast-adaptive line matching)이 적용되었다. This paper proposed the automatic defect testing technology which used of Linescan Camera in the defect test of printed things and external shapes in the precision industry. According to adapting the very high speed image processor called ASIC for high resolution, this system realized the very high speed resolution testing. As the image processing algorithm, Run-length coding, Multi-level threshold and fast-adaptive line matching were applied.
잘 훈련된 운동 선수와 훈련되지 않은 성인의 근육 효소 비교
이규훈,황치문,김용걸,김성수,최현진,김혜완,김민석,김희상,안경회,송종일 대한스포츠의학회 1999 대한스포츠의학회지 Vol.17 No.2
Objective : The muscle enzymes which are CPK, LDH, and AST were increased during exercise and after exercise in blood and tissues. There is substaintial evidence that CPK, LDH, AST rise less in well physical trained men than untrained after exercise. But were not known well trained men base line level of CPK, LDH and AST. Therefore we would evaluate the difference of base line of CPK, LDH and AST between well trained men, national level athlete, and untrained men. Method : Control group was composed of 138 men and 146 women not taking any particular training. Trained athletes were divided upon amount of exercise. Experimental group 1 that took relatively less amount of exercise was composed of 34 national level shooting men athlete and 17 women. Experimental group 2 that took relatively more amount of exercise was composed of 25 national level judo men athlete and 19 women. We measured CPK, LDH and AST in the serum of control group and experimental group 1 and 2 after 16 hours rest. Result : CPK and LDH were significantly increased in the experimental group 1 and 2 compared to the control group(p<0.05). but AST were not significantly increased in the experimental group 1 and 2 compared to the control group(p<0.05). Conclusion : In order to understand between the base line level of muscle enzyme and training effect, more extensive long-term study would be necessary.
이규훈,박현제,조현석,장영규,이수호,윤창노,최민수,김진상,조원경 경희대학교 경희정보통신 SoC연구소 2010 경희정보통신SOC연구소 논문집 Vol.11 No.-
무선채널은 채널에서 발생되는 잡음, 페이딩, 간섭 등에 의해 정보 손실이 발생되며, 이로 인한 오류발생은 무시할 수 있는 정도가 아니다. 양질의 음성 및 데이터 서비스를 제공하기 위해서는 통신 시스템에서 발생하는 비트 오류를 정정하는 기술이 꼭 필요하다. Viterbi Decoder 알고리즘은 기존의 에러정정코드보다 뛰어난 성능을 보여주며,이를 통하여 2세대 이동통신에서 표준으로 쓰이고 있으며, Viterbi 코드를 이용한 터보코드는 현재 3세대 이동통신에서 사용되고 있다. 이에 따라 Viterbi Decoder를 직접 구현했다.