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Now showing items 4603-4622 of 48073
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Characterisation of air voids in w-fam samples using x-ray ct imaging
( CRC Press/Balkema , 2018 , Conference Paper)This study documents the use of high-resolution X-Ray Computed Tomography to characterise air void distribution in Fine Aggregate Mixtures (FAM) prepared using Warm Mix Asphalt (WMA) additives (W-FAM). Specimens were imaged ... -
Characterisation of fatigue resistance of alternative pavement design for the state of Qatar
( Taylor and Francis - Balkema , 2014 , Conference Paper)Asphalt mixtures have been designed in the past in the State of Qatar to safeguard against permanent deformation associated with high temperatures. These mixtures are typically designed to have low content of unmodified ... -
Characterisation of major fault detection features and techniques for the condition-based monitoring of high-speed centrifugal blowers
( International Institute of Acoustics and Vibrations , 2016 , Conference Paper)This paper investigates and characterises the major fault detection signal features and techniques for the diagnostics of rotating element bearings and air leakage faults in high-speed centrifugal blowers. The investigation ... -
Characterisation of multiphase fluid-structure interaction using non-intrusive optical techniques
(2011 , Article)The purpose of this study is to determine experimentally the effectiveness of passive drag reduction techniques (which involve adjusting surface geometry) within a chaotic multiphase flow system. To quantify the intrusion ... -
Characterisation of novel Bacillus thuringiensis isolates against Aedes aegypti (Diptera: Culicidae) and Ceratitis capitata (Diptera:Tephridae)
( Elsevier Inc. , 2015 , Article)Bacillus thuringiensis is successfully used in pest management strategies as an eco-friendly bioinsecticide. Isolation and identification of new strains with a wide variety of target pests is an ever growing field. In this ... -
Characterisation of Sewage Sludge and Municipal Solid Waste for Use as Cementitious Materials
( Qatar University Press , 2023 , Conference Paper)Volumes of accumulated solid waste materials of sewage sludge (SS) and municipal solid waste (MSW) in Qatar continue to increase annually with a potentially negative impact on the environment. This paper presents an ... -
Characterisation of winter respiratory viral infections in patients with asthma and COPD in Qatar
( Springer Verlag , 2013 , Article)Respiratory viruses in patients with chronic obstructive pulmonary disease (COPD) or asthma have not been characterised in Qatar. This study aimed to identify the most common viral strains responsible for respiratory tract ... -
Characterising Alzheimer's disease through integrative NMR- and LC-MS-based metabolomics
( Elsevier , 2021 , Article)BackgroundAlzheimer's Disease (AD) is a complex and multifactorial disease and novel approaches are needed to illuminate the underlying pathology. Metabolites comprise the end-product of genes, transcripts, and protein ... -
Characterising the aetiology of severe acute gastroenteritis among patients visiting a hospital in Qatar using real-time polymerase chain reaction
( BioMed Central Ltd. , 2013 , Article)Background: Acute gastroenteritis (AGE) remains a common cause of clinic visits and hospitalizations, though its aetiology has not been determined in Qatar. Methods: We performed a prospective, emergency department–based ... -
Characteristic MicroRNAs Linked to Dysregulated Metabolic Pathways in Qatari Adult Subjects With Obesity and Metabolic Syndrome.
( Frontiers , 2022 , Article)Obesity-associated dysglycemia is associated with metabolic disorders. MicroRNAs (miRNAs) are known regulators of metabolic homeostasis. We aimed to assess the relationship of circulating miRNAs with clinical features in ... -
Characteristics and mitigation strategies for cell phone use while driving among young drivers in Qatar
( Elsevier Ltd , 2018 , Article)There is no doubt that cell phone use while driving can lead to a higher probability of driver error, which increases the likelihood of more crashes. In Qatar, the high rate of cell phone use while driving among young ... -
Characteristics and models of effective professional development: the case of school teachers in Qatar
( Routledge , 2018 , Article)The purpose of this study was to investigate the characteristics of effective professional development and effective models of professional development as perceived by school teachers in the State of Qatar. This study is ... -
Characteristics and quality of adverse drug reaction reporting among healthcare providers at Rumailah Hospital in Qatar
( Hamad bin Khalifa University Press (HBKU Press) , 2017 , Article)Introduction: Under-reporting of adverse drug reactions (ADRs) and low-quality reporting are a widespread phenomenon globally.1 There is a need for more insight on the role of pharmacists and other healthcare professionals ... -
Characteristics and quality of adverse drug reaction reporting: a comparison of pharmacists with other healthcare providers at a multi-specialty hospital in Qatar
( Springer International Publishing , 2017 , Article)Objective: Rumailah Hospital (RH) is a multi-specialty hospital with a capacity of 605 beds that serves subacute and long-term patients in Qatar. Since under-reporting and low-quality reporting of adverse drug reactions ... -
Characteristics and renewal of zooplankton communities under extreme environmental stresses in the oligotrophic hypersaline Arabian Gulf
( Elsevier , 2022 , Article)Impacts of the exceptionally high temperature and salinity on species composition, abundance, biomass and diversity of zooplankton communities were examined in the central Arabian (Persian) Gulf in late winter and summer ... -
Characteristics and sources of anthropogenic and biogenic hydrocarbons in sediments from the coast of Qatar.
( Elsevier , 2017 , Article)Surface sediment samples from the coastal zone of Qatar were collected and analyzed to determine the characteristics, and sources of anthropogenic and biogenic hydrocarbons. The main compounds in these surface sediments ... -
Characteristics of 100 consecutive patients with COVID-19 referred to consultation-liaison psychiatry services in Qatar: A comparison of patients with delirium versus other psychiatric diagnoses
( HBKU Press , 2022 , Article)Introduction: Coronavirus disease 2019 (COVID-19) can present with various neuropsychiatric manifestations. This study reports on patients with COVID19 who were referred to the consultation-liaison (CL) psychiatry services ... -
Characteristics of agent-based hierarchical diff-EDF schedulability over heterogeneous real-time Packet networks
( EuroJournals Publishing, Inc. , 2009 , Article)Packet networks are currently enabling the integration of heterogeneous traffic with a wide range of characteristics that extend from video traffic with stringent QoS requirements to best-effort traffic requiring no ... -
Characteristics of cardiac rehabilitation programs in Latin America and the Caribbean, and estimation of capacity and needs in the region
( European Society of Cardiology , 2020 , Conference Paper)Background Cardiac rehabilitation (CR) is an established model of cardiovascular (CV) prevention that has proven benefits. Availability, characteristics and need of CR programs in Latin-American and Caribbean (LAC) countries ... -
Characteristics of Desalination Brine and Its Impacts on Marine Chemistry and Health, With Emphasis on the Persian/Arabian Gulf: A Review
( Frontiers Media , 2022 , Article Review)At a time when worldwide water shortage is increasing, seawater is being viewed as an inexhaustible supply of freshwater via the process of seawater desalination. As a result, seawater desalination is becoming more popular, ...
