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The UAE’s energy system and GHG emissions: pathways to achieving national goals by 2050

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Clean Energy 2023年第5期7卷 962-980页

作者： ammar Hummieda Ali Bouabid karim Moawadand Ahmad Mayyas Engineering Systems and Management Khalifa UniversityAbu DhabiUAE Institute of Education Sciences Mohammed VI Polytechnic UniversityRabatMorocco

In recent years,the United Arab Emirates(UAE)has developed strategies to increase renewable power generation and reduce emis-sions to net zero by *** generation and energy-intensive industries(EII)have the largest potentials for emission ***,an up-to-date inventory of greenhouse gas emissions and a study of the pathways to achieving the 2050 targets are *** study focuses on power production and EII(aluminium,steel and cement).The structure of these sectors is modelled and simulated up to 2050 using a system dynamics(SD)*** SD model is validated to reflect the real-world state of the system using the emissions inventory projections as reference *** mitigation policies are considered in the selected sectors and four policy scenarios were *** results show that implementing the Energy Strategy 2050 in the power sector can result in a reduction of 63.5%in emissions in that sector,which translates into a reduction of 33.5%overall by ***,implementing all identified mitigation strategies to full utilization in EII yields a 94%reduction in that sector,which translates into a 78%reduction *** the aluminium industry yields the highest emissions reductions,followed by power produc-tion,then cement and finally *** the best-case scenario,22.1%of the business-as-usual emissions are still released and further decarbonization—mainly in the power sector—will be *** is achievable given the trajectory of the UAE’s successful nuclear energy programme and the prospect of utilizing carbon capture,utilization and storage even further.

关键词： climate change emissions UAE energy strategy energy-intensive industry net zero

Usability-Driven Mobile Application Development

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Computer Systems Science & Engineering 2023年第6期45卷 3165-3180页

作者： Fadwa Yahya Lassaad Ben ammar Gasmi karim Prince Sattam Bin Abdulaziz University AlkharjSaudi Arabia University of Sfax SfaxTunisia Department of Computer Sciences Faculty of Sciences and Arts in TABARJALJouf UniversityKingdom of Saudi Arabia

Recently,a specific interest is being taken in the development of mobile application(app)via Model-Based User Interface Development(MBUID)*** allows the generation of mobile apps in the target platform(s)from conceptual *** such it simplified the development process of mobile ***,the interest is only focused on the functional aspects of the mobile app while neglecting the non-functional aspects,such as *** latter is largely considered as the main factor leading to the success or failure of any software *** paper aims at addressing non-functional aspects of mobile apps generated using MBUID *** such,we propose a usability-driven approach for the development of mobile *** main stages of the proposed approach are defined in a generic way so that they can be integrated with any MBUID method.A case study is presented,in the paper,with the aim of illustrating the feasibility of this approach.

关键词： Mobile application user interface model-based user interface development mobile usability

Prediction of Uncertainty Estimation and Confidence Calibration Using Fully Convolutional Neural Network

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Computers, Materials & Continua 2023年第5期75卷 2557-2573页

作者： karim Gasmi Lassaad Ben ammar Hmoud Elshammari Fadwa Yahya Department of Computer Science College of Arts and Sciences at TabarjalJouf UniversityJoufSaudi Arabia College of Sciences and Humanities Prince Sattam Bin Abdulaziz UniversityAl-KharjSaudi Arabia University of Sfax SfaxTunisia Department of Information Systems College of Computer and Information SciencesJouf UniversityJoufSaudi Arabia

Convolution neural networks(CNNs)have proven to be effective clinical *** study highlighted some of the key issues within these *** is difficult to train these systems in a limited clinical image databases,and many publications present strategies including such learning ***,these patterns are known formaking a highly reliable *** addition,normalization of volume and losses of dice have been used effectively to accelerate and stabilize the ***,these systems are improperly regulated,resulting in more confident ratings for correct and incorrect classification,which are inaccurate and difficult to *** study examines the risk assessment of Fully Convolutional Neural Networks(FCNNs)for clinical image *** contributions have been made to this planned work:1)dice loss and cross-entropy loss are compared on the basis of segment quality and uncertain assessment of FCNNs;2)proposal for a group model for assurance measurement of full convolutional neural networks trained with dice loss and group normalization;And 3)the ability of the measured FCNs to evaluate the segment quality of the structures and to identify test examples outside the *** evaluate the study’s contributions,it conducted a series of tests in three clinical image division applications such as heart,brain and *** findings of the study provide significant insights into the predictive ambiguity assessment and a practical strategies for outside-distribution identification and reliable measurement in the clinical image *** approaches presented in this research significantly enhance the reliability and accuracy rating of CNNbased clinical imaging methods.

关键词： Medical image segmentation confidence calibration uncertainty estimation fully convolutional neural network

A GIS-based approach for identifying potential sites for harvesting rainwater in the Western Desert of Iraq

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International Soil and Water Conservation Research 2018年第4期6卷 297-304页

作者： ammar Adham Khamis Naba Sayl Rasha Abed Mohamed Arbi Abdeladhim Jan GWesseling Michel Riksen Luuk Fleskens Usama karim Coen JRitsema Wageningen University Soil Physics and Land Management GroupP.O.Box476700AA Wageningenthe Netherlands Department of Civil and Structural Engineering Faculty of Engineering and Built EnvironmentUniversiti Kebangsaan Malaysia43600UKM BangiSe-langor Darul EhsanMalaysia Department of Dams and Water Resources Engineering CollegeUniversity of AnbarRamadiIraq Department of Civil Engineering Engineering CollegeUniversity of AnbarRamadiIraq Department of Civil Engineering and Management University of TwenteP.O.Box2177500AE Enschedethe Netherlands

People living in arid and semi-arid areas with highly variable rainfall and unforeseeable periods of droughts or floods are severely affected by water shortages and often have insecure livelihoods. The construction of dams in wadies to harvest rainwater from small watersheds and to induce artificial groundwater recharge is one of the solutions available to overcome water shortages in the Western Desert of Iraq. The success of rainwater harvesting (RWH) systems depends heavily on their technical design and on the identification of suitable sites. Our main goal was to identify suitable sites for dams using a suitability model created with ModelBuilder in ArcGIS 10.2. The model combined various biophysical factors: slope, runoff depth, land use, soil texture, and stream order. The suitability map should be useful to hydrologists, decision-makers, and planners for quickly identifying areas with the highest potential for harvesting rainwater. The implementation of this method should also support any policy shifts towards the widespread adoption of RWH.

关键词： GIS Rainwater harvesting Iraq's western desert Suitability map

Comparative assessment of clinical profile and outcomes after primary percutaneous coronary intervention in young patients with single vs multivessel disease

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World Journal of Cardiology 2020年第4期12卷 136-143页

作者： Atif Sher Muhammad Tariq Ashraf Ayaz Mir Syed Alishan Faiza Farooq Ali ammar Musa karim Syed Nadeem Hassan Rizvi Tahir Saghir Jawaid Akbar Sial Naveed Ullah Khan Department of Adult Cardiology National Institute of Cardiovascular DiseasesKarachi 75510Pakistan Department of Clinical Research National Institute of Cardiovascular DiseasesKarachi 75510Pakistan

BACKGROUND Even though percutaneous coronary intervention(PCI)improved the survival of patients with acute myocardial infarction,still multivessel coronary artery disease remains an important factor burdening prognosis and it is being associated with a worse prognosis compared to single-vessel disease(SVD).AIM To compare the clinical profile and outcomes after the primary PCI in young patients with SVD vs multivessel disease(MVD).METHODS The retrospective cohort of patients were divided into two groups:SVD and MVD *** study population consisted of both male and female young(≤45 years)patients presented with ST-elevation myocardial infarction(STEMI)at the National Institute of Cardiovascular Disease,Karachi,Pakistan and undergone primary PCI from 1 st July 2017 to 31 st March *** and postprocedure management of the patients was as per the guidelines and institutional *** A total of 571 patients with STEMI,≤45 years were stratified into two groups by the number of vessels involved,342(59.9%)with SVD and 229(40.1%)with *** average age of these patients was 39.04±4.86 years.A lower prevalence of hypertension and diabetes was observed in SVD as compare to MVD group(25.1%vs 38%,P<0.01;11.7%vs 27.5%,P<0.001)***,smoking was more prevalent among the SVD group as compare to MVD group(36.3%vs 28.4%,P=0.05).The high-C Lesion was observed in a significantly higher number of younger patients with MVD as compared to SVD group(48.8%vs 39.2%,P=0.021).Post-procedure thrombolysis in myocardial infarction flow grade was found to be not associated with the number of diseased vessels with a P value of 0.426 and thrombolysis in myocardial infarction flow grade III was observed in 98%vs 96.5%of the patients is SVD vs MVD *** The MVD comprised of around 40%of the young patients presented with ***,this study shows that diabetes and hypertension have a certain role in the pathogenesis of multivessel diseases,therefore,preventive

关键词： Young Multivessel disease Primary percutaneous coronary intervention STelevation myocardial infarction Premature coronary artery diseases Single-vessel disease