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السجلات المعروضة 4368 -- 4387 من 4774
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Use of waste marble powder for the synthesis of novel calcium-rich biochar: Characterization and application for phosphorus recovery in continuous stirring tank reactors
( Elsevier , 2023 , Article)This study investigates—for the first time—the synthesis of a novel Ca-rich biochar (N–Ca–B) and its potential use for phosphorus (P) recovery from both synthetic solutions (SS) and treated urban wastewater (TUW) in a ... -
Usefulness of In-Situ Synchrotron Study on Scale Formation during CO2 Corrosion of Mild Steel: A Review
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Despite the availability of the detailed knowledge about the chemical, electrochemical and transport processes associated with the formation of ferrous carbonate during CO2- corrosion of mild steel, information available ... -
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 ... -
Using B4C nanoparticles to enhance thermal and mechanical response of aluminum
( MDPI AG , 2017 , Article)In this work, Al-B4C nanocomposites were produced by microwave sintering and followed by hot extrusion processes. The influence of ceramic reinforcement (B4C) nanoparticles on the physical, microstructural, mechanical, and ... -
Using block cipher for confidentiality of images in cloud-based systems
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)This paper deals with outsourcing of computing to cloud servers where clients' images are computed and stored. It proposes a technique that obfuscates images before sending them to servers. Cloud servers can perform ... -
Using driving simulator to study the effect of crash fact signs on speeding behaviour along freeways
( Taylor & Francis , 2022 , Article)A driving simulator study was utilized to evaluate a potential countermeasure for speeding behaviour in order to reduce speed spillover. The behaviour of 56 subjects was observed. Participants drove a freeway for 5300 ... -
Using Sparse Matrices to Prevent Information Leakage in Cloud Computing
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)Cloud computing represents the promise of outsourcing of scientific computing such as matrix multiplication. However, this can introduce new vulnerabilities such as information leakage. Cloud server intentionally or ... -
Using the Sadakane compressed suffix tree to solve the all-pairs suffix-prefix problem
( Hindawi , 2014 , Article)The all-pairs suffix-prefix matching problem is a basic problem in string processing. It has an application in the de novo genome assembly task, which is one of the major bioinformatics problems. Due to the large size of ... -
Using the theory of planned behavior to predict the use of an upcoming public transportation service in Qatar
( Elsevier Ltd , 2019 , Article)Public transportation systems play a major role in accommodating public travel needs. To accommodate the need for public transportation in Qatar, a metro network is currently under construction. However, commuters have ... -
Using thermochromic ink for medical simulations
( Hamad bin Khalifa University Press (HBKU Press) , 2017 , Article)Background: In medical simulation and training, blood is used to exhibit its different behaviors in context. In some cases, blood color differential is an imperative visual effect to ensure high-fidelity training and ... -
Using vertebrate environmental DNA from seawater in biomonitoring of marine habitats
( Wiley , 2019 , Article)Conservation and management of marine biodiversity depends on biomonitoring of marine habitats, but current approaches are resource‐intensive and require different approaches for different organisms. Environmental DNA ... -
Using Zebrafish for Investigating the Molecular Mechanisms of Drug-Induced Cardiotoxicity
( Hindawi Publishing Corporation , 2018 , Article)Over the last decade, the zebrafish (Danio rerio) has emerged as amodel organismfor cardiovascular research.Zebrafish have several advantages over mammalian models. For instance, the experimental cost of using zebrafish ... -
Utilization of nitrogen-rich agricultural waste streams by microalgae for the production of protein and value-added compounds
( Elsevier B.V. , 2023 , Article)Current food and feed production practices via agricultural processes generate waste streams often rich in nitrogen. Conversion of the nitrogen in agricultural waste into valuable products would prevent environmental ... -
Utilization of renewable hybrid energy for refueling station in Al-Kharj, Saudi Arabia
( Elsevier Ltd , 2022 , Article)Hydrogen is one of the energy carriers that can be produced using different techniques. Combining multiple energy sources can enhance hydrogen production and meet other electrical demands. The hybrid arrangement allows the ... -
Utilization of steel-making dust in drilling fluids formulations
( MDPI AG , 2020 , Article)Steelmaking is an energy-intensive process that generates considerable amounts of byproducts and wastes, which often pose major environmental and economic challenges to the steelmaking industry. One of these by-products ... -
Utilization of symmetric electrode materials in energy storage application: A review
( John Wiley and Sons Ltd , 2022 , Article Review)The development of efficient energy storage systems is an important field of research in the modern era where fossil fuels are headed toward. depletion. The invention of batteries is regarded as one of the most significant ... -
Utilization of Two Microalgae Species, Synechococcus sp. and Cheatoceros sp., for Aquatic Toxicity Assessments in the Qatari Marine Environmen
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Microalgal bioassays are currently used worldwide to help assess the impacts of contaminants on aquatic ecosystems. Algae are particularly important to such assessments because they represent the basic trophic level of the ... -
UV Induced Photodegradation of Direct Green dye by Tb-doped La10Si6O27 Catalyst
( Qatar University Press , 2023 , Conference Paper)Due to the expansion of industry, the world's population growth has led to increased air and water contamination. Because they are poisonous and non-biodegradable, organic dyes are a significant source of this contamination. ... -
UV-Accelerated Photocatalytic Degradation of Pesticide over Magnetite and Cobalt Ferrite Decorated Graphene Oxide Composite
( MDPI , 2020 , Article)Pesticides are one of the main organic pollutants as they are highly toxic and extensively used worldwide. The reclamation of wastewater containing pesticides is of utmost importance. For this purpose, GO-doped metal ... -
Vaccine evaluation and genotype characterization in children infected with rotavirus in Qatar
( Springer Nature , 2023 , Article)Background: We characterized and identified the genetic and antigenic variations of circulating rotavirus strains in comparison to used rotavirus vaccines. Methods: Rotavirus-positive samples (n = 231) were collected and ...
