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이수진,조성환,전무형,김덕환,박창식,한홍율,김명철 충남대학교 형질전환복제돼지연구센터 2007 논문집 Vol. No.10
This study was carried out to determine therapeutic the effect of ozonated water therapy on bovine pododermatitis. In addition, bactericidal effect of ozonated water on etiological agent of bovine pododermatitis was examined. The pathohistological examination for the pododermatitis, according to application with ozonated water and ozone ointment was investigated. Thirty healthy cattle were divided two groups(each of 15) : control group (povidone group), treatment group (ozone solution group). Various parameters were evaluated in terms of the lameness score, swelling score, lesion score, WBC count, neutrophil count, pathohistological finding, and antimicrobial action. The decrease of lameness and lesion score were shown in hoof lesions on 14 days after application of ozonated water. Significant decrease of swelling was shown in hoof lesions on 14 days 1 Corresponding author after application of ozonated water(p < 0.01). In hematological findings, WBC count revealed values within normal range. The number of neutrophils was slightly higher than that of normal, however, this was improved on 14 days after application of ozonated water. In pathohistological findings, recovery was rapid macroscopically and microscopically in the treatment with ozonated water on the hoof lesions and ozonated water was effective. In antimicobial action, bactericidal effect was observed in treatment with ozonated water on the hoof lesions and ozonated water was effective.
이상민,채현석,최명렬 漢陽大學校 工學技術硏究所 2001 工學技術論文集 Vol.10 No.-
본 논문에서는 RED 게이트웨이간의 전송률을 최대로 유지하며 종단에서 실제로 처리되어 전송되는 패킷의 양을 늘릴 수 있는 응답 메시지 처리 알고리즘을 제안한다. 본 논문에서 제안한 응답메시지 처리 알고리즘을 RED 게이트웨이에 적용하여 패킷의 손실을 줄이고 전송 효율을 높였으며, 모의 실험을 통해 성능의 향상을 확인하였다. 일련의 모의 실험에서는 응답메시지 처리 성능을 분석하고, 차후의 연구 방향을 제시한다. 본 논문은 네트워크 NS-2 시뮬레이터를 사용하여 다양한 TCP 버전의 조합과 RED 게이트간의 연결속도와 게이트의 개수에 변화를 주어 모의 실험 하였다. This paper proposes an act message processing algorithm to increase the throughput at the end of the telecommunication node, when it uses RED gateway to include various TCP versions with keeping the highest throughput between two RED gateways. This paper shows the results in Kbytes/s from a series of simulation experiments designed to analyze the performance of ark message processing algorithm. Using the ns-2 simulator, the simulation results have been conducted by changing the link speed between two RED gateways using the combination TCP Vegas and TCP NewReno.
이정재,채현석,조태경,최명렬 漢陽大學校 工學技術硏究所 2002 工學技術論文集 Vol.11 No.-
TCP Vegas는 TCP Reno에 비해 안정적이고 이로 인해 네트워크 자원을 보다 효율적으로 이용할 수 있다. 그러나 두 버전이 같이 사용되는 경우 TCP Reno에 비해 TCP Vegas는 일정하나 낮은 수준의 전송율을 보이고 있다. 본 논문에서는 TCP Reno와 Vegas의 공정성에 영향을 미치는 요소인 TCP Vegas의 알고리즘에서 사용하는 상수 요소인 α·β, TCP의 MSS, 라우터의 버퍼 크기에 의해 TCP Reno와 TCP Vagas의 공정성이 변화하는 모습을 시뮬레이션을 통해 확인하였으며, 이에 따른 향후 연구과제를 제시하였다. TCP Vegas are much more stable than those of TCP Reno, resulting in a much more efficient utilization of the network resource. But difference in performance in due to the fact that Teno vibrates in the high throughput level and Vegas almost stabilizes in the low level when those TCP versions are used in same network. We find out by simulation about α·β which is constant factor of TCP Vegas, MSS of TCP and router buffer size change the fairness of TCP Reno and TCP Vegas. So we proposed more studying about these factor which changes fairness of TCP Reno and TCP Vegas.
루프 미러로 구성된 기준팔을 가지는 파장 스위핑 OCT 구현
김훈섭,남궁명우,이정렬,엄진섭 江原大學校 産業技術硏究所 2007 産業技術硏究 Vol.27 No.B
As a reflector of reference arm in OCT systems, a coated fiber reflector has mostly used. Instead, this paper has realized the swaept source optical coherence tomography system using a loop mirror within a reference ann. Through the expehments for a tilted thin glass plate, we found that the loop mirror is better than the coated fiber typed mirror for obtaining the clear image.