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السجلات المعروضة 932 -- 951 من 4543
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Delineating the global plastic marine litter challenge: clarifying the misconceptions
( Springer , 2020 , Article)Plastics, owing to their various beneficial properties (durability, flexibility and lightweight nature), are widely regarded as the workhorse material of our modern society. Being ubiquitously and increasingly present over ... -
Delineating the plastic waste status in the State of Qatar: Potential opportunities, recovery and recycling routes.
( Elsevier , 2019 , Article)The Qatar's national vision (QNV2030) underlines an unequivocal commitment to maintaining harmony between the three inter-dependent pillars of sustainable development: economic growth, social development and environmental ... -
Demographic and Clinical Characteristics of Early Travel-Associated COVID-19 Cases
( Frontiers Media , 2020 , Article)© Copyright © 2020 Marei, Emara, Elsaied, Nasrallah, Chivese, Al-Romaihi, Althani, Al Thani, Farag and Yassine. Background: SARS-CoV-2 continues to claim hundreds of thousands of people's lives. It mostly affects the elderly ... -
Demographics and Epidemiology of Hepatitis B in the State of Qatar: A Five-Year Surveillance-Based Incidence Study
( MDPI , 2019 , Article)Background: Expatriates represent >80% of Qatar’s population, mostly arriving from countries in Africa and Asia that are endemic with many diseases. This increases the risk for introducing new pathogens into the country ... -
Demulsification of stable emulsions from produced water using a phase separator with inclined parallel arc coalescing plates
( Elsevier , 2015 , Article)A novel and highly efficient oil-water separator equipped with a series of inclined multiple arc coalescence plates is developed and optimized for the removal of stable oil emulsions from produced water. The synthetic high ... -
Denaturing Gradient Gel Electrophoresis-Polymerase Chain Reaction Comparison of Chitosan Effects on Anaerobic Cultures of Broiler Cecal Bacteria and Salmonella Typhimurium.
( Mary Ann Liebert , 2018 , Article)Enteropathogen colonization and product contamination are major poultry industry problems. The emergence of antibiotic resistance, and associated risks to human health, is limiting the use of antibiotics as first-line ... -
Density-Functional Theory Investigation of Barite Scale Inhibition Using Phosphonate and Carboxyl-Based Inhibitors
( American Chemical Society , 2020 , Article)Scale deposition is a critical issue in oil and gas exploration and production processes, causing significant blocking in tubing and consequently flow assurance and economic losses. Most studies addressing the scale formation ... -
Dependence of wear behavior on sintering mechanism for Iron-Alumina Metal Matrix Nanocomposites
( Elsevier Ltd , 2018 , Article)The present paper reports the dependence of wear behavior on sintering mechanism for iron (Fe) alumina (Al2O3) metal matrix nanocomposites fabricated via Powder Metallurgy (P/M) technique. Nanocomposite composition was ... -
Depression in migrant workers and nationals of Qatar: An exploratory cross-cultural study
( SAGE Publications , 2019 , Article)Background: The aim of this study was to compare the prevalence of depressive symptoms among migrants and non-migrants living in Qatar and identify variables associated with depressive symptomology in these groups, including ... -
Depression-anxiety in the Adult Population of Qatar during the First Year of COVID-19
( Qatar University Press , 2021 , Poster)There is limited data from Arabic-speaking countries on risk factors for depression and anxiety during the COVID-19 pandemic. Country-specific data is necessary given differences in culture, demographics, and COVID-19 ... -
Desalination in the GCC countries- a review
( Elsevier Ltd , 2022 , Article Review)The Gulf Cooperation Council (GCC) countries are located in one of the most arid regions in the world with very less freshwater resources, and hence depending on desalination plants to tackle the water scarcity and satisfy ... -
Design and Development of Inexpensive Paper-Based Chemosensors for Detection of Divalent Copper
( Springer Nature , 2023 , Article)Abstract: Simple, portable, and low-cost paper-based sensors are alternative devices that have the potential to replace high-cost sensing technologies. The compatibility of the paper base biosensors for both chemical and ... -
Design and development of novel computer vision-based automatic calibration system for analog dial pressure gauge
( American Society for Testing and Materials , 2022 , Article)Pressure gauge calibration refers to comparing the standard and test gauge to determine the error percentage. The reading accuracy of the analog dial pressure gauge is found in the conventional method through manual ... -
Design and Evaluation Strategies for a Novel Hybrid Trigeneration System
( Elsevier B.V. , 2022 , Book chapter)Renewable energy sources that involve the use of Concentrated Solar Power systems (CSP) are receiving increased attention due to many of the prominent features that it can provide. Most importantly, the simultaneous ... -
Design and experimental analysis of solar-powered water desalination system using humidification?dehumidification
( Taylor and Francis Ltd. , 2020 , Article)Desalination with solar-powered air heating and packed bed humidification is designed and fabricated using locally available materials. The system with fined type dehumidifier is designed using the LMTD method. There are ... -
Design and field procedures for the clinical reappraisal of the Composite International Diagnostic Interview version 3.3 in Qatar's national mental health study
( John Wiley and Sons Ltd , 2023 , Article)Background: The Composite International Diagnostic Interview (CIDI) has been clinically reappraised in several studies conducted mainly in the US and Europe. This report describes the methodology used to conduct one of the ... -
Design and implementation of a modular ECMO simulator
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Article)Background: Extracorporeal membrane oxygenation (ECMO) is a high-complexity life-saving procedure riddled with mechanical complications that can place the patient in a critical state where fast and coordinated actions are ... -
Design and Implementation of a Threat-Specific Security Risk Assessment Tool
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)Security threats posed to individual cloud computing clients vary depending on their specific security requirements. However, Cloud Providers apply generic security risk assessment approaches which result do not consider ... -
The Design and Implementation of Survey Quality Control System for Qatar's First National Mental Health Survey: A Case Study
( JMIR Publications , 2023 , Article)All World Mental Health (WMH) surveys apply high standards of data quality. Most published quality control procedures for these surveys to date were in relation to face-to-face interviews. However, due to the social ... -
Design and Microinjection of Morpholino Antisense Oligonucleotides and mRNA into Zebrafish Embryos to Elucidate Specific Gene Function in Heart Development
( MyJove Corporation , 2022 , Article)The morpholino oligomer-based knockdown system has been used to identify the function of various gene products through loss or reduced expression. Morpholinos (MOs) have the advantage in biological stability over DNA oligos ...