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      • Syncretistic Nature of Egyptian Religiosity —A Field Survey

        Mounir Sobhy Malaty(무니르 쑤브히 말라티) 중동아프리카연구소 2017 아랍과 이슬람 세계 Vol.4 No.-

        이집트는 고대 문명이 시작한 이래 다양한 종교들의 발원지였고, 후에는 기독교와 이슬람교를 받아들여 역사적으로 다양한 종교적 자취를 경험하였다. 따라서 이집트인들은 이러한 변화하는 종교적 영향력 가운데 살아왔고, 과거의 종교적 흔적들을 때로는 완전히 떠나지 않고 새로운 종교적 요소들을 받아들여 독특한 혼합적 종교성을 발전시켜 왔다. 이 논문은 이집트인들의 종교적 성향을 설문지를 통해 조사한 결과를 분석하고, 그들의 혼합주의적 종교성이 어떻게 무슬림들과 기독교인들 가운데 나타나고 있는지를 입증해 준다. 이러한 종교성향에 대한 이해는 복음주의 기독교인들 가운데 존재하는 혼합주의적 성향을 구별해 내고, 그들이 복음 안에서 진정한 내면으로부터의 영적인 변화를 경험하도록 돕기 위해 절대적으로 필요한 과정이기 때문에 매우 중요하다.

      • Railway Information Modeling - A Review of Railway Project Management Integrating BIM

        Mounir BENSALAH,Abdelmajid ELOUADI,Hassan MHARZI 한국철도학회 2019 International Journal of Railway Vol.12 No.1

        In recent years, several studies and scientific research have focused on the topic of integrating BIM, Building Information Modeling, into railway projects. We are now interested in the implementation of BIM in the railway sector, because, indeed, it is necessary that the actors (public bodies, project managers, private companies, engineering office) assume their pioneering role in the process. It is utopian to think that the BIM approach will solve all the problems related to project management. Let"s not forget that construction is an industry based on the organization of work that dates back to another age. BIM is a process that is being implemented on several projects, in a different way, with different standards. At the same time, we will have to look at how companies will use this approach, which is both a technology and a process. The task of providing leadership for the implementation of BIM is not up to academic researchers, but rather to people in the construction industry. In previous papers we have seen the different dimensions of BIM, especially for railway projects. In this article, we will explore the Railway Information Modeling RIM, ie the management of railway projects by integrating the BIM approach. Thus, we will see: a reminder of the fundamentals of BIM; BIM and legal environment of the projects; the prerequisites and integration framework of the BIM; railway project management with BIM; the dimensions of the BIM; BIM, pre-fabrication and construction; life cycle with BIM.

      • KCI등재

        Inverse Problem Methodology for Parameter Identification of a Separately Excited DC Motor

        Mounir Hadef,Mohamed Rachid Mekideche 대한전기학회 2009 Journal of Electrical Engineering & Technology Vol.4 No.3

        Identification is considered to be among the main applications of inverse theory and its objective for a given physical system is to use data which is easily observable, to infer some of the geometric parameters which are not directly observable. In this paper, a parameter identification method using inverse problem methodology is proposed. The minimisation of the objective function with respect to the desired vector of design parameters is the most important procedure in solving the inverse problem. The conjugate gradient method is used to determine the unknown parameters, and Tikhonov’s regularization method is then used to replace the original ill-posed problem with a well-posed problem. The simulation and experimental results are presented and compared.

      • KCI등재

        Removal of chromium from tannery wastewater by electrosorption on carbon prepared from peach stones: effect of applied potential

        Mounir Ziati,Fariza Khemmari,Mohamed Kecir,Sabir Hazourli 한국탄소학회 2017 Carbon Letters Vol.21 No.-

        The objective of this study is the removal of chromium from tannery wastewater by electrosorption on carbon prepared from lignocellulosic natural residue "peach stones' thermally treated. The followed steps for obtaining coal in chronological order were: cleaning, drying, crushing and finally its carbonization at 900°C. The characterization of the carbon material resulted in properties comparable to those of many coals industrially manufactured. The study of the dynamic adsorption of chromium on the obtained material resulted in a low removal rate (33.7%) without applied potential. The application of negative potentials of -0.7 V and -1.4 increases the adsorption of chromium up to 90% and 96% respectively. Whereas a positive potential of +1.4V allows desorption of the contaminant of 138%.

      • SCOPUSKCI등재

        Renal hyperfiltration, fatty liver index, and the hazards of all-cause and cardiovascular mortality in Finnish men

        Mounir Ould Setti,Ari Voutilainen,Tomi-Pekka Tuomainen 한국역학회 2021 Epidemiology and Health Vol.43 No.-

        OBJECTIVES: Renal hyperfiltration (RHF) and fatty liver are separately associated with adverse health outcomes. In this study, we investigated the mortality hazard of coexisting RHF and fatty liver. METHODS: Middle-aged men from the Kuopio Ischaemic Disease Risk Factor Study (n=1,552) were followed up for a median of 29 years. Associations among RHF, fatty liver index (FLI) score, age, body mass index, smoking status, alcohol consumption, and hypertension status were assessed using logistic regression. Cox proportional hazards models were used to determine the hazard ratios (HRs) for all-cause and cardiovascular disease (CVD) mortality with respect to RHF and fatty liver. RESULTS: Of the men, 5% had RHF (n=73), whereas a majority had fatty liver (n=848). RHF was associated specifically with smoking, and fatty liver was associated specifically with overweight. The all-cause mortality hazard was highest (HR, 1.96; 95% confidence interval [CI], 1.27 to 3.01) among men with RHF and fatty liver (n=33). Among men with RHF but normal FLI (n=40), the HR of all-cause mortality was 1.67 (95% CI, 1.15 to 2.42). Among men with fatty liver but a normal estimated glomerular filtration rate (n=527), the HR of all-cause mortality was 1.35 (95% CI, 1.09 to 1.66). CVD mortality hazard was associated with RHF, but not fatty liver. We detected no interaction effect between RHF and fatty liver for all-cause (synergy index, 0.74; 95% CI, 0.21 to 2.67) or CVD (synergy index, 0.94; 95% CI, 0.34 to 2.60) mortality. CONCLUSIONS: RHF and fatty liver are independently associated with all-cause and CVD mortality.

      • KCI등재

        CAD model simplification using a removing details and merging faces technique for a FEM simulation

        Hamdi Mounir,Aifaoui Nizar,Benamara Abdelmajid 대한기계학회 2012 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.26 No.11

        The simulation process is currently used in the design and dimensioning of mechanical parts. With the progress of computer materials,the finite elements method (FEM) becomes the most used approach in the simulation of mechanical behaviour. The simulation process needs multiple Design-FEM loops. In order to accelerate those analysis loops, an adaptation of computer aided design (CAD) model is necessary. The adaptation step consists in the simplification of the CAD model geometry by eliminating details (holes, chamfers, fillet,etc.) and faces. In this paper, a novel technique of simplification of the CAD geometry is developed. This technique is a hybrid method based on a combination of the elimination details and merging faces. The merging of faces is based on the energetic method. With this approach, the computing time is reduced by the elimination of geometric details which do not boundary conditions. An implementation of the proposed algorithm on the Open Cascade platform is also presented. The results of the developed method are compared with a previous publication. The reduction of the computing time and the amelioration of the result precision highlight the efficiency of the presented method.

      • SCIESCOPUSKCI등재

        Inverse Problem Methodology for Parameter Identification of a Separately Excited DC Motor

        Hadef, Mounir,Mekideche, Mohamed Rachid The Korean Institute of Electrical Engineers 2009 Journal of Electrical Engineering & Technology Vol.4 No.3

        Identification is considered to be among the main applications of inverse theory and its objective for a given physical system is to use data which is easily observable, to infer some of the geometric parameters which are not directly observable. In this paper, a parameter identification method using inverse problem methodology is proposed. The minimisation of the objective function with respect to the desired vector of design parameters is the most important procedure in solving the inverse problem. The conjugate gradient method is used to determine the unknown parameters, and Tikhonov's regularization method is then used to replace the original ill-posed problem with a well-posed problem. The simulation and experimental results are presented and compared.

      • Steel - concrete bond potentials in self-compacting concrete mixes incorporating dolomite powder

        Kamal, Mounir M.,Safan, Mohamed A.,Al-Gazzar, Mohamed A. Techno-Press 2013 Advances in concrete construction Vol.1 No.4

        The main objective of this research was to evaluate the potentials of self-compacting concrete (SCC) mixes to develop bond strength. The investigated mixes incorporated relatively high contents of dolomite powder replacing Portland cement. Either silica fume or fly ash was used along with the dolomite powder in some mixes. Seven mixes were proportioned and cast without vibration in long beams with 10 mm and 16 mm steel dowels fixed vertically along the flowing path. The beams were then broken into discrete test specimens. A push-put configuration was adopted for conducting the bond test. The variation of the ultimate bond strength along the flowing path for the different mixes was evaluated. The steel-concrete bond adequacy was evaluated based on normalized bond strength. The results showed that the bond strength was reduced due to Portland cement replacement with dolomite powder. The addition of either silica fume or fly ash positively hindered further degradation as the dolomite powder content increased. However, all SCC mixes containing up to 30% dolomite powder still yielded bond strengths that were adequate for design purpose. The test results demonstrated inconsistent normalized bond strength in the case of the larger diameter compared to the smaller one.

      • Higher convexity of coamoeba complements

        Nisse, Mounir,Sottile, Frank Oxford University Press 2015 The bulletin of the London Mathematical Society Vol.47 No.5

        <P>We show that the complement of the closure of the coamoeba of a variety of codimension [Formula] is [Formula]-convex, in the sense of Gromov and Henriques. This generalizes a result of Nisse for hypersurface coamoebas. We use this to show that the complement of the nonarchimedean coamoeba of a variety of codimension [Formula] is [Formula]-convex.</P>

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