Research Units: Recent submissions
Now showing items 261-280 of 4797
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Human health risk assessment associated with the reuse of treated wastewater in arid areas
( Elsevier , 2024 , Article)Qatar produces more than 850,000 m3/day of highly treated wastewater. The present study aims at characterizing the effluents coming out of three central wastewater treatment plants (WWTPs) of chemical pollutants including ... -
A Testbed Implementation of a Biometric Identity-Based Encryption for IoMT-enabled Healthcare System
( Association for Computing Machinery , 2021 , Conference Paper)Historically, health data was stored locally on the hospital's server as patient health records, and we had to rely on the planned check-up during doctor's visits. Now, we can monitor health continuously and in real-time. ... -
Carbon Nanotubes Dosage Optimization for Strength Enhancement of Cementitious Composites
( Elsevier , 2019 , Conference Paper)Concrete is the most common used material for construction in Qatar as well as in the world. Exposure to sever environmental conditions causes physical deterioration of concrete structures and significantly affect the ... -
Industrial waste utilization of carbon dust in sustainable cementitious composites production
( Multidisciplinary Digital Publishing Institute (MDPI) , 2020 , Article)This paper experimentally investigates the effect of utilization of carbon dust generated as an industrial waste from aluminum factories in cementitious composites production. Carbon dust is collected, characterized, and ... -
Detection of Botnet Attacks against Industrial IoT Systems by Multilayer Deep Learning Approaches
( Hindawi Limited , 2022 , Article)Industry 4.0 is the next revolution in manufacturing technology that is going to change the production and distribution of goods and services within the following decade. Powered by different enabling technologies that are ... -
Machine learning for the security of healthcare systems based on Internet of Things and edge computing
( Elsevier , 2022 , Book chapter)Using the Internet of Medical Things (IoMT) for treatment and diagnosis has exponentially grown due to its diverse use cases and efficient planning with defined resources. IoMT in the e-healthcare system enables continuous ... -
The role of polypropylene microfibers in thermal properties and post-heating behavior of cementitious composites
( Multidisciplinary Digital Publishing Institute (MDPI) , 2020 , Article)This paper experimentally studied the effect of polypropylene (PP) microfibers on thermal and post-heating mechanical behaviors of cementitious composites. Cement mortars with small dosage of polypropylene fibers were ... -
Hybrid effect of carbon nanotubes and polypropylene microfibers on fire resistance, thermal characteristics and microstructure of cementitious composites
( Elsevier , 2020 , Article)The current study experimentally investigates the hybrid effect of carbon nanotubes (CNTs) and polypropylene (PP) microfibers on fire resistance and thermal characteristics of cementitious composites. Cement mortar with ... -
Microstructure and mechanical behavior of cementitious composites with multi-scale additives
( Techno Press , 2021 , Article)This paper studies the effect of using multi-scale reinforcement additives on mechanical strengths, damage performance, microstructure, and water absorption of cementitious composites. Small dosages of carbon nanotubes ... -
Influence of carbon nanotubes on phase composition, thermal and post-heating behavior of cementitious composites
( Multidisciplinary Digital Publishing Institute (MDPI) , 2021 , Article)This paper experimentally investigates the influence of carbon nanotubes (CNTs) on phase composition, microstructure deterioration, thermal behavior, and residual mechanical strengths of cementitious composites exposed to ... -
Repair of Heat-Damaged RC Beams Using Micro-concrete Modified with Carbon Nanotubes
( Korean Society of Civil Engineers , 2021 , Article)This paper investigates the use of micro-concrete modified with carbon nanotubes (CNTs) for the repair of heat-damaged reinforced concrete (RC) beams. Ten RC beams were cast and then subjected to elevated temperature of ... -
Effect of bond enhancement using carbon nanotubes on flexural behavior of RC beams strengthened with externally bonded CFRP sheets
( Springer Nature , 2022 , Article)This paper studied the effect of incorporation of carbon nanotubes (CNTs) in carbon fiber reinforced polymer (CFRP) on strengthening of reinforced concrete (RC) beams. The RC beams were prepared, strengthened in flexure ... -
Cybersecurity of multi-cloud healthcare systems: A hierarchical deep learning approach
( Elsevier Ltd , 2022 , Article)With the increase in sophistication and connectedness of the healthcare networks, their attack surfaces and vulnerabilities increase significantly. Malicious agents threaten patients’ health and life by stealing or altering ... -
Mechanical and Electromagnetic Properties of Self-Compacted Geopolymer Concretes With Nano Silica and Steel Fiber Additives
( Institute of Electrical and Electronics Engineers Inc. (IEEE) , 2022 , Article)Mechanical and electromagnetic properties (over 2-16 GHz) of self-compacted geopolymer concrete (SCGC) samples with different amounts of nanosilica (NS) and steel-fiber (SF) have been examined. From the mechanical tests, ... -
Security concerns on machine learning solutions for 6G networks in mmWave beam prediction
( Elsevier B.V. , 2022 , Article)6G – sixth generation – is the latest cellular technology currently under development for wireless communication systems. In recent years, machine learning (ML) algorithms have been applied widely in various fields, such ... -
Using ANN to predict post-heating mechanical properties of cementitious composites reinforced with multi-scale additives
( Techno Press , 2022 , Article)This paper focuses on predicting the post-heating mechanical properties of cementitious composites reinforced with multi-scale additives using the Artificial Neural Network (ANN) approach. A total of four different ... -
The Association between Lifestyle Factors and COVID-19: Findings from Qatar Biobank.
( MDPI , 2024 , Article)Coronavirus Disease 2019 (COVID-19) manifestations range from mild to severe life-threatening symptoms, including death. COVID-19 susceptibility has been associated with various factors, but studies in Qatar are limited. ... -
Thermal behavior and post-heating fracture characteristics of polypropylene microfiber-reinforced geopolymer binders
( Elsevier , 2022 , Article)This paper investigated the post-heating behavior of fly ash-based geopolymer binders reinforced with polypropylene (PP) microfibers. Geopolymer binders with different fiber contents including 0%, 0.05%, 0.1%, and 0.2% by ... -
Development of sustainable geopolymer composites for repair application: Workability and setting time evaluation
( Elsevier , 2023 , Other)One of the most used construction materials worldwide is concrete. It has a lot of advantages over the other construction materials. However, the production process of concrete produces a huge amount of carbon dioxide. ... -
Towards robust autonomous driving systems through adversarial test set generation
( ISA - Instrumentation, Systems, and Automation Society , 2023 , Article)Correct environmental perception of objects on the road is vital for the safety of autonomous driving. Making appropriate decisions by the autonomous driving algorithm could be hindered by data perturbations and more ...