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유정근,허창우 목원대학교 멀티미디어신기술연구소 2002 멀티미디어신기술연구소논문집 Vol.2 No.1
본 논문은 Altera사의 Software인 MAXPLUS Ⅱ를 이용하여 Hardware Language인 VHDL로 자동 문을 설계하여 FPCA로 구현하였다. 사용된 CATE의 수는 4,800개 이다. 사용자가 문을 열기 위해서는 비밀번호 4자리를 입력하여야 하고, 비밀번호를 바꾸기 위해서는 비밀번호 4자리 입력 후, SECR 버튼을 누르고 새로운 비밀번호 4자리를 입력 한 뒤 LR 버들을 누르면 되도록 설계하였다.
경막 내 colistimethate 투여로 치료한 다제 내성 cinetobacter baumannii 뇌실염
홍유아,유진홍,김진진,모은영,안건희,정희경,김진석,이현정,정미향,윤승배 대한감염학회 2009 감염과 화학요법 Vol.41 No.4
Acinetobacter species is a non-fermentative aerobic gram-negative coccobacillus that is an important pathogen found in nosocomial infections. Recently, multi-drug resistant Acinetobacter baumannii (MDR-AB) infections have been increasing and pose a serious problem. Most such infections present as bacteremia, pneumonia, or a wound infection; however, CNS infections are very rare. We herein present a case of ventriculitis caused by MDR-AB in a 37-year old man after a neurosurgical intervention. The patient was successfully treated with intrathecal colistimethate.
전기로 더스트의 환경안정적 재활용을 위한 CI 제거에 관한 실험 고찰
박병현,조영민,유정근 경희대학교 환경연구소 2001 環境硏究 論文集 Vol.10 No.-
Steel slag is a kind of industrial waste generating from the steel refining process in an Electric Arc Furnace. The annual production of this waste is more than 200.000 tonnes, and has recently been considered handful. Thus, in order to enhance the reuse of the steel slag, the present work attempted to reduce the chlorine element in the slag by using chemical treatment. Chlorine elements were cleansed by addition of a few solvents such as acetone, methanol and ethanol through dilution with water. Mohr titration was applied to measure the chlorine concentration in terms of reaction time, dilution ratio and temperature. As a result, methyl alcohol was found the most effective at high reaction temperature with a lengthened reaction.
동종 조혈모세포이식 후 발생한 크립토콕쿠스 척추염 1예
고윤호,임동준,이성수,조유경,이동건,최정현,김유진,민창기,김동욱,박정미,김춘추,신완식 대한감염학회 2001 감염 Vol.33 No.4
Skeletal cryptococcosis is an uncommon infection. Cryptococcus is a common cause of meningitis and infects 7∼10% of patients with AIDS. As well as AIDS, the infection may be seen in association with leukemia, lymphoma, Hodgkin's disease, sarcoidosis, tuberculosis and diabetes, also in patients on steroid medication. But there is no case report of skeletal cryptococcosis following allogeneic hematopoietic stem cell transplantation. A 40-year-old woman was admitted to the hospital because of low back pain. She had chronic myelogenous leukemia for 2 years and underwent allogeneic hematopoietic stem cell transplantation 8 months ago. She have been treated with steroid and cyclosporine orally because of chronic graft versus host disease. On examination she was afebrile and had posterior lower lumbar tenderness. But, she had no reduced strength of low extremities. Open biopsy was underwent. Histology demonstrated budding, round-to-oval, refractile yeast-like organisms within debris. The results of a lumbar puncture were unremarkable and cerebrospinal fluid culture failed to grow bacteria and yeast. The patient was treated with amphotericin B (1 gram) and AmBisome□ (2.8 gram) over 6 weeks. Three months after cessation of therapy, the patient was doing well.(Korean J Infect Dis 33:298∼301, 2001)
Extraction of Silica Fume from Waste Slag
Yoo, Jeong Gun,Shon, Byung-hyun,Jo, Young Min 한국공업화학회 2004 Journal of Industrial and Engineering Chemistry Vol.10 No.1
Recovery of silica fume from blast-furnace slag, a by-product of iron manufacture, was attempted through the acid treatment at room temperature. The waste slag contains quite valuable pure silica with only trace metallic elements such as Ti0_(2) and CaO. The present lab-scale experiments revealed that highly pure silica foam could be obtained through a simple process of an effective reaction between the slag and acid. Its rapid exothermic reaction enables to reduce the reactor volume per unit production. The reaction rate was associated with the absolute amount of acid rather than the reaction time or temperature. It was also found that the reaction efficiency would depend primarily on acid concentration.
Separation of Chlorides from EAF Dust
Yoo, Jeong Gun,Kim, Gyung Soo,Jo, Young Min 한국공업화학회 2004 Journal of Industrial and Engineering Chemistry Vol.10 No.6
To utilize waste EAF dust for high-value applications, such as in construction materials and ceramics, the significant problem of the release of chlorides in the inorganic phase must be solved. An environmentally safe and economically efficient leaching process to extract chlorine elements is proposed in this paper. We found that the application of polar organic solvents can, in part, complement conventional wet methods. Among the test solvents (methanol, ethanol, and acetone), methanol was the most optimal for removing the chlorines when diluted with 10% (v/v) pure water.
유남재,전상현,정길수,김동건 강원대학교 산업기술연구소 2006 産業技術硏究 Vol.26 No.B
A probabilistic analysis model, one of reliability analysis methods introducing the concept of probabilistic variables, was developed to investigate the uncertainty of dominant factors influencing the degree of consolidation in the radial consolidation theories. Based on the developed probabilistic analysis model, sensitivity study of those factors was performed to find their trends of affecting the degree of consolidation in the vertical drain method. Various radial consolidation theories, Proposed by Barron(1948), Hansbo(1979), Yoshikuni(1979) and 0noue(1988), were used for this parametric study with the influencing factors such as size of smear zone, reduction ratio of permeability in the smear zone, discharge capacity, permeability for horizontal flow and coefficient of consolidation for horizontal flow. As results of this sensitivity study, for the given consolidation theory, contribution of each factor to the degree of consolidation was figure out and compared to each other. For the given value of each factor, the sensitivity to the degree of consolidation in the various theories was evaluated and their applicability and limitations were assessed.