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유비쿼터스 환경을 위한 임베디드 정보표시 장치 시스템 구현
이병권,김석일,전중남 충북대학교 컴퓨터정보통신 연구소 2004 컴퓨터정보통신연구 Vol.12 No.1
가전제품 및 생활도구에 운영체제가 내장됨으로써 네트워크 및 파일시스템을 사용할 수 있게 되었고, 그 결과로 제품이 지능화되고 소형화되고 있다. 본 논문에서는 ARM, x86, 그리고 XScale기반으로 임베디드 플랫폼에서 동작하는 임베디드형 정보표시장치를 설계하고 구현 과정을 설명한다. 각 플랫폼에 대한 커널 포팅, 파일시스템 구성 과정을 설명하고, 서버 클라이언트 환경에서 동작하는 정보 표시 소프트웨어에 대하여 설명한다. 서버는 화면에 여러 종류의 데이터와 및 제어정보를 클라이언트에게 보내고, 클라이언트는 수신된 데이터를 재조립하여 지정된 영역에 표시한다. With the help of embedded operating system, the electric home appliances have been able to access the network and file system, and become intelligent and miniaturized. In this paper, we explain an information display system operating on three embedded platforms: ARM, x86, and XScale. For each platform, we describe the process of kernel porting and file system construction. And we also explain the information display software based on the server-client environment. The server sends various kinds of display data and control data to the clients. A client reassembles the received data and displays them in the appropriate location of its screen
거대 점오염원이 주변 대기질에 미치는 영향에 관한 연구
김유근,이화운,전병일,장은숙,홍정혜,문윤섭,원경미,송정희 부산대학교 환경문제연구소 1996 環境硏究報 Vol.14 No.1
In order to show the effect of a vast point pollutant source on air quality of Pusan Thermoeletric Power Plant and its surrounding area, air quality around Pusan Thermoeletric Power Plant was simulated by ISCLT-2 which was supplied by EPA. For this purpose the emission amount of SO_2, NO_2 and TSP was calculated and atmospheric stability was classified for a recent decade(1985~1994) in Pusan. A result of the emission amount showed that much amount of NO_2, NO_2 and TSP are emitted from industrial area. It was clear that NO_2 is much emitted from line source and industrial area. And as a result of classification of atmospheric stability, neutral, stable and unstable state were 58%, 24.1% and 17.9%, respectivly. The result of ai quality simulation by ISCLT-2 showed that Pusan Thermoeletric Power Plant is affecting on the increse of 2.0ppb, 3.0ppb and 5.0㎍/㎥, SO_2, NO_2, and TSP respectively at its surrounding area, site A-3 which was located westward 2.2㎞ distance from Plant
Uterine leiomyosarcoma in a wild rat (Rattus norvegicus)
Byung-Suk Jeon,Hyung-Gi Kim,Byung-Woo Lee,Jeong-Hee Han,Byung-Il Yoon 한국실험동물학회 2013 Laboratory Animal Research Vol.29 No.2
Uterine smooth muscle tumor is very rare in laboratory rats and, there has been no report in the wild rodents. Among a total of 400 wild rats captured in Gyeonggi, Gangwon, and Chungbuk provinces of Korea in 2007, 2010, and 2011, we found a uterine spindle cell tumor, diagnosed as smooth muscle cell origin based on differential features of histology and immunohistochemistry. Its incidence was very low, like in the laboratory rats, as under 0.5% for female. Considering generally applied histological and cellular criteria, this case was difficult in differential diagnosis between benign and malignant. Ki-67 labeling index was therefore further investigated, and it ranged from 26.4 to 37.6% in the 10 different areas, representing an average of 32.9±0.05%. The Ki-67 labeling index of neoplastic cells near the necrotic area was recorded as 83.5%. According to such high Ki-67 labeling index, it was more likely a malignant leiomyosarcoma, assenting to the previous proposal that Ki-67 labeling index is a significant criterion to differentiate between malignant and benign in the smooth muscle tumors.
Separation of Lithium Isotopes by Tetraazamacrocycles Tethered to Merrifield Peptide Resin
Jeon, Youn-Seok,Jang, Nak-Han,Kang, Byung-Moo,Jeon, Young-Shin,Kim, Chang-Suk,Choi, Ki-Young,Ryu, Hai-Il Korean Chemical Society 2007 Bulletin of the Korean Chemical Society Vol.28 No.3
Tetraazamacrocyclic ion exchangers tethered to Merrifield peptide resin (DTDM, TTTM) were prepared and the ion exchange capacity of these was characterized. The isotope separation of lithium was determined using breakthrough method of column chromatography. The isotope separation coefficient was strongly dependent on the ligand structure by Glueckauf's theory. We found that the isotope separation coefficients were increased as the values of distribution coefficients were increased. In this experiment the lighter isotope, 6Li was enriched in the resin phase, while the heavier isotope, 7Li in the solution phase. The ion radius of lighter isotope, 6Li was shorter than the heavier isotope, 7Li. The hydration number of lithium ion with the same charge became small as mass number was decreased. Because 6Li was more strongly retained in the resin than 7Li, the isotopes of lithium were separated with subsequent enrichment in the resin phase.
Byung-Suk Jeon,Huiyeong Jeong,Ji-Hyun Bang,Bokyung Jung,Jong-Hwan Park,Joong-Sun Kim 한국예방수의학회 2024 예방수의학회지 Vol.48 No.2
The pet industry, especially pet food, is experiencing rapid growth. This growth is accompanied by increasing concerns about pets' gut health, as an imbalanced microbiota can lead to various diseases. This study analyzes global patent trends in microbiome-based technologies for treating pet digestive issues using the WIPS database across major markets. Of 1,194 patents identified, 394 key references were examined, highlighting the increasing number of probiotic and microbiome-related patents since 2016. China dominates this sector, followed by Korea, Japan, and the United States. The findings provide a foundation for advancing microbiome-driven solutions for pet digestive ailments.