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한근희,박영성,류정인 대전대학교 산업기술연구소 1999 산업기술연구소 論文集 Vol.10 No.2
The incineration characteristics of sludge sample were investigated in a fluidized bed incinerator(φ 0.2m, 3.0m height). The sewage sludge with heating value of 2480kcal/kg, and 22% moisture content was used as sludge sample. The characteristics of sludge incineration in terms of combustion efficiency, axial temperature profile and heavy metal analysis of sludge and ash were studied. The combustion efficiencies were found to be no less than 99%, which indicates that the fluidized bed incinerator can be very effectively applied to sewage sludges. It was also found that the heavy metal components were remained in the sludge ash after incineration due to the relatively low combustion temperature of the fluidized bed incinerator.
수축저감제 혼입률 변화에 따른 콘크리트의 공학적 특성에 관한 연구
한민철,金光華,정규문,정평유,윤성노,한천구 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.2
In this paper, tests are carried out using concrete incorporating shrinkage reducing agent(SR) in order to investigate the engineering properties of concrete. The contents of SR and W/C are varied. According to test results, as for fresh concrete, as SR content increases, slump and air content shows decline tendency, and setting time is accelerated with increase of SR content and decrease of W/C. As for compressive strength, as SR contents increases compressive strength shows to be decreased. As for the effect of SR on drying shrinkage, it shows to be reduced with increase of SR content. This is due to the reduced surface tensile strength of water and tensile strength of capillary pore in concrete.
한상우,유진홍,권순석,김성훈,박지찬,홍은정,최경성,박용완,장준희,안지원,박유경,강지영,박상미,신완식 대한감염학회 2004 감염과 화학요법 Vol.36 No.5
We experienced a 25 year-old male patient with typhoid fever complicated with massive hemoptysis. Pulmonary complication in typhoid fever is very rare and to our knowledge, there has been no report of hemoptysis as a main cause of death with this disease. We herein report a rare case of typhoid fever.
자원 제약 조건이 공기-비용 교환 문제에 미치는 영향 분석
홍성준,류한국,유정호,이현수 대한건축학회 2004 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.24 No.1
It has been generally accepted that cost and time are in reverse proportion. But, due to the resource constraints such as resource capacity, resource availability, resource continuity and resource level, time and cost could have unfixed relation and time-cost trade-off curves could take various forms. This study proposes the labor-related constraints affecting the time-cost trade-off problems and analyzes the effects.
Lidocaine에 의한 경련이 뇌조직에서 c-fos 발현에 미치는 영향
조성범,채한정,강장숙,김형룡 원광대학교 생체재료·매식연구소 1998 원광생체재료·매식 Vol.7 No.1
Recently, a variety of stimuli including convulsion, ischemia and noxious stimuli have been shown to induce the expression of c-fos mRNA in central nervous system (CNS). In this study, c-fos expression in both mRNA and protein (Fos) levels is examined up to 72 hr in brain regions, including hippocampus, piriform cortex, neostriatum, amygdala, dentate gyrus, cerebral cortex, and thalamus during lidocaine-inducced convulsion. Intraperitoneal administration of lidocaine (120 mg/kg) induces generalized convulsion of rats within 10 min and subsequent increase of c-fos expression in both mRNA and Fos protein levels in dentate gyrus, piriform cortex, amygdala, neostriatum, cerebral cortex, hippocampus, and thalamus. A prominent induction of c-fos mRNA and Fos protein in dentate gyrus suggests that dentate gyrus plays an important role in the process of lidocaine-induced convulsion. These results suggest that c-fos may participate in plastic changes of central nervous system associated with stimuli such as seizure activity.
우리 나라 패션 산업을 위한 패션 비지니스 리엔지니어링에 관한 연구
최은정,韓誠智,洪仁淑,金文淑 服飾文化學會 1999 服飾文化硏究 Vol.7 No.4
The purpose of this study is to remind the necessity of reengineering establishment of future-oriented fashion industry and to research the sevices for the system establishment at this present time when the consumer's demands level is extremely high. This research has been done by the literature review of the relative articles, books and the case study. First, through the analysis of the important changes and movements of fashion industry environment by the environmental interpretation model of Draft and Weick, the strategic development, corresponding the environment change of fashion indudtry, has been attempted. Second, this study examined QR integration management method according to the Kunz's behavior theory of the apparel firms. Third, as the prior occupation strategy regarding the things can be done very well from now on the things are needed, the necessity and establisnment of SCM, based on companionship and beyond the boundary between the companies has been studied through the exchange of the data of manufacture and sales which has been regarded as the secret of the companies. Finally, to become a company to lead the market, in addition to the re-organization of the internal process of a company with the leadership which has the clear vision for the consumer's satisfaction, the process have to be integrated under the cooperation with its business partners and the cost have to be reduces, and the time which takes to correspond to the consumer's requirements have to be reduced.