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224 articles for “Assessment Model”
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Research ArticleOpen accessEvery word in the titleA Qualitative Assessment of VANET Routing Protocols Under Different Mobility ModelsMeriem Houmer, Moulay Lahcen HasnaouiVehicular Ad-hoc Networks (VANET) is an advanced wireless network that came to increase traffic safety, efficiency and to improve driving experience. The high mobility of nodes is the major characteristic in these networks. The aim of this paper is to figure out the impact of various mobility models on the performance of Ad-hoc On-demand Distance Vector (AODV), Cluster-Based Directional Routing … …Journal of Computer Science, Vol. 15, Issue 1 · 23 Jan 2019 · 7,464 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleComparative Assessment of Analytical models for the ULS Resistance Verification of Structural Glass Elements under Variable LoadsChiara Bedon, Claudio AmadioThe design of glass structures, due to the intrinsic material properties, is mainly governed by the typical tensile brittle behavior of the material. In this regard, a currently open question related to the use of glass in buildings as a load-bearing constructional material, is represented by the correct estimation of static fatigue phenomena due to a generic combination of design … …American Journal of Engineering and Applied Sciences, Vol. 10, Issue 1 · 16 Mar 2017 · 7,765 accessesView PDFCite
Research ArticleOpen accessIn the keywordsDigital Maturity Assessment – A Case StudyFadwa Zaoui, Nissrine SouissiThe digital transformation is in progress; thisexercise is very agile in the sense that it requires the adoption of one of thekey precepts of agility and that supposes to include the digital transformationin an iterative and incremental logic. This can only be achieved if there isevaluation and adjustment accordingly. This is the focus of this study, theassessment of digital maturity, … …Journal of Computer Science, Vol. 18, Issue 8 · 24 Aug 2022 · 7,518 accessesView PDFCite
Research ArticleOpen accessIn the keywordsComprehensive Assessment of Spatial Distribution of Road-Network Vulnerability in South AsiaPan Yuqi, Jiang Penghui, Li Manchun, Chen DengshuaiUnexpected phenomena-natural disasters, accidents and wars-can disrupt regional traffic systems because of the incapacities of road networks to sustain inflicted impacts. Therefore, the assessment of road-network vulnerability becomes integral to traffic-safety-maintenance and accident-prevention procedures. This study demonstrates the development of a comprehensive network system based on suggested improvements in node extraction, road construction and network attribution. An indicator system for … …American Journal of Environmental Sciences, Vol. 17, Issue 6 · 24 Dec 2021 · 6,452 accessesView PDFCite
Research ArticleOpen accessIn the keywordsSpatial Analysis and Modeling the Nitrogen Flush after Rainfall Events at the Field Scale in SWATElizabeth Brooke Haney, Richard Lee Haney, Jeffrey George Arnold et al.Current nitrogen (N) models tend to neglect the contribution of the microbial population to the plant available N pool, resulting in an underestimation of yield and possible over or underestimation of N runoff from natural and agricultural landscapes. We used the measurement of microbial activity coupled with the measurement of their food source, water extractable nitrogen (N) and carbon (C), … …American Journal of Environmental Sciences, Vol. 12, Issue 2 · 11 Apr 2016 · 7,232 accessesView PDFCite
Research ArticleOpen accessIn the keywordsCLIMATE CHANGE IMPACT ASSESSMENT ON WATERSHED HYDROLOGY: A COMPARISON OF THREE APPROACHESSomsubhra Chattopadhyay, Manoj K. JhaSeveral methods of impact assessment have been developed over the years which basically incorporate future climate projections of atmospheric-ocean circulation based climate models into the simulation of land surface hydrological processes. This study attempted to evaluate three methods of climate change impact assessment: (a) Frequency perturbation method, (b) direct method and (c) delta change method. A well-calibrated hydrologic model, Soil … …American Journal of Engineering and Applied Sciences, Vol. 7, Issue 1 · 27 Mar 2014 · 8,604 accessesView PDFCite
Research ArticleOpen accessIn the keywordsTHE MANAGEMENT OF UNCERTAINTY: MODEL FOR EVALUATION OF HUMAN ERROR PROBABILITY IN RAILWAY SYSTEMLombardi Mara, Guarascio Massimo, Rossi GiulianoThe methodology of quantitative risk assessment in use in the railway industry refers the RAMS approach, as expected in EN 50126, to define the failure of the system. From the probability of failure follows the evaluation of the failure consequence, the check of the accident occurrence and finally, the analysis of the achievable accident scenarios to quantify the damage as … …American Journal of Applied Sciences, Vol. 11, Issue 3 · 30 Dec 2013 · 7,394 accessesView PDFCite
Research ArticleOpen accessIn the keywordsα-Lipoic Acid Therapy Modulates Serum Levels of Some Trace Elements and Antioxidants in Type 2 Diabetic PatientsSalwa Kamal El-Nabarawy, Mona Abd El-Gelel Mohamed, Mohamed Mahmoud Ahmed, Ghada Hany El-ArabiProblem statement: The metabolism of several trace elements has been reported to alter in diabetes mellitus. The disturbance of their serum levels may have a role in the pathogenesis and progress of this disease. In addition, the reports about the status of antioxidants and antioxidant enzymes in diabetic patients are very contradictory. Though α-Lipoic Acid (LA) has long been touted … …American Journal of Pharmacology and Toxicology, Vol. 5, Issue 3 · 30 Sep 2010 · 7,764 accessesView PDFCite
Research ArticleOpen accessIn the keywordsDifferent Sorption Approaches and Leachate Fluxes Affecting on Mn2+ Transport through Lateritic AquiferSrilert Chotpantarat, Chakkaphan SutthiratProblem statement: Contamination of the underlying aquifer beneath a mining area is usually of great concern even when a prevention plan has been implemented. Approach: To assess the potential risk of heavy metal contamination, the simulation of heavy metal transport was carried out with different leachate fluxes and sorption parameters derived from equilibrium models with linear and Langmuir isotherms and … …American Journal of Environmental Sciences, Vol. 7, Issue 1 · 28 Feb 2011 · 6,150 accessesView PDFCite
Research ArticleOpen accessIn the keywordsPreliminary Studies Aimed at the Re-Opening of Pestarena Gold Mine (North-Western Alps, Italy)Andrea Giuliani, Giuseppe Mandrone, Piergiorgio RossettiGold, among all conventional metals subject to a progressive increase in value in the international market, has jumped powerfully into the spotlight during all economic crises. This contingency led to reconsider the dismissing process of some Italian mining sites and in particular at Pestarena- in the Anzasca Valley near Macugnaga (NW Alps) -the most important historical gold mine in the … …American Journal of Environmental Sciences, Vol. 11, Issue 3 · 1 Sep 2015 · 7,959 accessesView PDFCite