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Ethylenediaminetetraacetic acid(EDTA)항응고제에 의한 Mean Corpuscular Volume(MCV)변화
홍승민,박영진,최하영,임진,정옥연,이호준,이호영,장숙진,문대수 朝鮮大學校 附設 醫學硏究所 1996 The Medical Journal of Chosun University Vol.21 No.2
It is essential that we put the anticoagulant into the blood specimen of the CBC test. However, the value of some parameters in the CBC test can be changed whenever using some anticoagulants. EDTA anticoagulant is mostly used these days. There are 3 kinds of EDTA, that is K_(2-), K_(3-), and Na_(2-) EDTA. The author studies how many effects each the EDTA gets into the true value of blood specimen for MCV of RBCs. Especially we compared the MCV effect of different concentrations of 3 EDTA anticoagulants on the bias with time and instrument. Some results are gotten. In our results, K_(3-)EDTA anticoagulant shows more satisfactory MCV value than K_(2) or Na_(2-)EDTA. On using concentration of EDTA, 1.5㎎ EDTA/㎖ of blood show more satisfactory MCV value than 7.5㎎ EDTA/㎖ of blood. However, the choice of anticoagulant may be dependant on the different instruments.
김영수,박진식,장성호,장부규,서정민,김장호 동아대학교 환경문제연구소 1996 硏究報告 Vol.19 No.2
This study was carried out to investigate the performance enhancement of forced oxidation operation on the limestone utilization and SO₂ removal efficiency of the pilot flue gas desulfurization system. The results are as follows : 1. The results of the forced oxidation tests have shown that converting from natural to forced oxidation operation can have a significant effect on both limestone utilization and SO₂ removal efficiency of an FGD system. Conversely, if the limestone utilization is maintained at a constant level, the SO₂ removal efficiency will increase. Conversely, if the pH is held constant, the limestone utilization will increase significantly. 2. This characteristic of a forced oxidation system can translate into lower L/G requirements and, therefore, reduced capital and operating costs for slurry recycle pumps. 3. Forced oxidation operation will provide improved limestone utilization and, therefore. reduced limestone reagent costs.
양압력을 고려한 중력식 콘크리트 댐에 대한 LEFM 해석
진치섭,이영호,엄장섭,김태완 부산대학교 생산기술연구소 2000 生産技術硏究所論文集 Vol.59 No.-
댐 제체와 지반 접촉 경계면 사이에 작용하는 양압력의 모델링은 중력식 콘크리트 댐의 해석시 중요하게 고려된다. 본 연구에서는 양압력의 작용에 따른 중력식 콘크리트 댐의 균열선단 부근의 음력확대계수를 표면적분법을 이용하여 계산하였다. 또한 자중, 월류수압 및 균열면에 작용하는 수압도 함께 고려 하였다. The modeling on uplift pressure on the foundation of a dam on which it was constructed, and on the interface between the dam and foundation is a critical aspect in the analysis of concrete gavity dams. The evaluation of stress intensity factor at the crack tip of concrete gravity dam due to uplift pressure effect by surface integral method is performed in this study. The effects of borty force, overtopping pressure and water pressure on the crack-face are also considered in this study.
SVD 알고리즘 및 HMM을 이용한 얼굴 및 눈 패턴 검출
진경찬,김명남,신장규,손병기,조진호 경북대학교 센서기술연구소 1998 센서技術學術大會論文集 Vol.9 No.1
The studies about automatic pattern detection of the eye and face from the human image acquired by the CCD image sensor have good applicabilities in the industry, home automation, and data communication field. In general, pattern detection method consists of feature based matching and template matching. In feature based matching, the feature vector is extracted with DLM(dynamic linking matching), EBGM(elastic bunch graph matching), HMM(hidden markov model) matching and knowledge based matching using statistical characteristics. In template matching, in general, the template vector is extracted with PCA(principal component analysis). When these method applied in the face and eye detection, each method has its own merits and some disadvantage. Therefore, by combined utilization of SVD(singular value decomposition) and HMM algorithm, is expected that we can selectively make use of each methods advantage and it result in improved detection accuracy. In this paper, we proposed the method for face and eye detection, which was combined by the two algorithms, to be suitable for the high speed image processing using DSP chip or microprocessor. In the beginning, template matching was followed by a template extraction using batch SVD algorithm and then face pattern was classified and recognized by HMM algorithm which is one of feature based matching technique. Finally, eye pattern detection was performed by pattern search neural network utilizing eigeneye image.
Global-MAHN에서 라우팅 오버헤드 개선에 대한 연구
張良根,金玄旭,李光培,吳世德,裵振勝,金在浩 明知大學校 産業技術硏究所 2007 産業技術硏究所論文集 Vol.26 No.-
In this Paper, we studied the mechanism that increases the network reliability and decreases network load in GMAHN environment based on the AODV routing protocol. This proposed algorithm is the research on the algorithm, minimizing network overhead by preventing unnecessary network overhead previously and adapting Local repair mechanism to efficient data transmission when route error happens in network, in GMAHN environment. To evaluate the proposed algorithm's performance, we analyzed the proposed algorithm and adapting in various experiment environment according to 5 experiment viewpoint such as node movement, gateway network zone, mobile node number, flow number. After evaluating the experiment, we confirmed better network improvement altogether through following result such as total average data reception rate's increase, average data transmission time's decrease, network overhead's decrease than existing GMAHN algorithm.