Browsing Research Units by Title
Now showing items 963-982 of 4543
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Destabilization and treatment of produced water-oil emulsions using anionic polyacrylamide with electrolyate of aluminum sulphate and ferrous sulphate
( Society of Petroleum Engineers , 2016 , Conference Paper)Surfactant and polymer flooding technology can greatly enhance the oil recovery through the expansion of sweeping and displacing efficiency. The recovered oil from surfactant and polymer flooding emulsifies the residual ... -
Destabilization of stable bentonite colloidal suspension using choline chloride based deep eutectic solvent: Optimization study
( Elsevier Ltd , 2021 , Article)Choline chloride (ChCl) based natural deep eutectic solvents (NADES) were synthesized and tested as coagulant for stable bentonite colloidal suspensions. In this work, three ChCl based natural deep eutectic solvent NADES ... -
Desulfurization of the dibenzothiophene ) (DBT) by using -based imidazolium-basedionic ionic i liquids(Ils)
( EnPress Publisher LLC. , 2018 , Article)In this work we have examined the industrial scale extraction process of ultra low sulfur diesel with the help of simulation software ASPEN Plus®.This work focuses on the [Cnmim][BF4](imidazolium-based) ionic liquid and ... -
Detailed exergy analysis of full scale LNG plant
( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference Paper)Sustainability is one of the major challenges faced by the industrial sector as it is driven by both environmental and economic factors. Energy demands are increasing and, to date, most of the supply is generated via ... -
Detecting Organic Nitrogen with 1H-15N HMBC Spectra
( Qatar University Press , 2021 , Poster)NMR spectroscopy has been the most important tool for organic chemistry research, providing detailed structure information. While 1H and 13C NMR spectra were frequently measured, 15N NMR spectra were relatively rare, even ... -
Detection and assessment of marine litter in an uninhabited island, Arabian Gulf: A case study with conventional and machine learning approaches
( Elsevier , 2022 , Article)In 2018, the Ministry of Municipality and Environment, Qatar removed 90 t of marine litter (ML) from the Ras Rakan Island (RRI), a remote uninhabited island in the Arabian Gulf (hereinafter referred to as Gulf). To identify ... -
Detection and Genotyping of Torque Teno Virus (TTV) in Healthy Blood Donors and Patients Infected With HBV or HCV in Qatar
( Wiley Periodicals, Inc , 2015 , Article)Torque Teno virus (TTV) has been associated with non A–G hepatitis. The goal of this study was to estimate the infection rates and genotypic characteristics of TTV in the State of Qatar. A total of 644 blood samples ... -
Detection and Phylogenetic Analysis of Human Pegivirus (GBV-C) Among Blood Donors and Patients Infected With Hepatitis B Virus (HBV) in Qatar
( Wiley , 2015 , Article)Human Pegivirus (HPgV), formerly GB virus-C/ Hepatitis G virus (GBV-C/HGV), collectively known as GBV-C, is widely spread and has been reported to be associated with non-A–E hepatitis. To our knowledge, no previous ... -
Detection of antinuclear antibodies targeting intracellular signal transduction, metabolism, apoptotic processes and cell death in critical COVID-19 patients
( Qatar University Press , 2021 , Poster)Background: The heterogeneity of COVID-19 lies within its diverse symptoms and severity, ranging from mild to lethal. Acute respiratory distress syndrome (ARDS) has been shown to be the leading cause of mortality in COVID-19 ... -
Detection of Antinuclear Antibodies Targeting Intracellular Signal Transduction, Metabolism, Apoptotic Processes and Cell Death in Critical COVID-19 Patients
( Universita Cattolica del Sacro Cuore , 2022 , Article)Background and Objectives: The heterogeneity of the coronavirus disease of 2019 (COVID-19) lies within its diverse symptoms and severity, ranging from mild to lethal. Acute respiratory distress syndrome (ARDS) is a leading ... -
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 ... -
Detection of Paracetamol as substrate of the gut microbiome
( University of Karachi, Pharmacy College , 2019 , Article)Gut microbiome, a new organ; represent targets to alter pharmacokinetics of orally administered drugs. Recently, in vitro trials endorsed the idea that orally administered drugs interact and some of their quantity may be ... -
Detection of SARS-CoV-2 RNA by direct RT-qPCR on nasopharyngeal specimens without extraction of viral RNA.
( Public Library of Science , 2020 , Article)To circumvent the limited availability of RNA extraction reagents, we aimed to develop a protocol for direct RT-qPCR to detect SARS-CoV-2 in nasopharyngeal swabs without RNA extraction. Nasopharyngeal specimens positive ... -
Detection of voltage pulse width effect on charge accumulation in PSCs using EFISHG measurement
( Elsevier , 2020 , Article)We report the effect of applied pulse width on charge accumulation in triple cation perovskite solar cells (PSCs) during the Electric Field Induced Second Harmonic Generation (EFISHG) measurements. The PSCs were prepared ... -
Detection of Wakashio oil spill off Mauritius using Sentinel-1 and 2 data: Capability of sensors, image transformation methods and mapping
( Elsevier , 2021 , Article)Oil spill incidents contaminate water bodies, and damage the coastal and marine environment including coral reefs and mangroves, and therefore, monitoring the oil spills is highly important. This study discriminates the ... -
Determinants of Banks’ Profitability: Panel Data from Qatar
( Scientific Research Publishing , 2017 , Article)Purpose : The aim of this paper is to investigate the main determinants of banks’ profitability and answer the question “what is the effect of liquidity and risk variables on the explained variation of banks’ performance ... -
Determinants of College and University Choice for High-School Students in Qatar
( Sciedu Press , 2018 , Article)Drawing on existing research, this paper investigates various predictors of high school students’ college and university choice decisions in Qatar. Based on a 2015 survey of 1,427 participants, this study utilized exploratory ... -
Determinants of female labor force participation: implications for policy in Qatar
( Taylor and Francis , 2022 , Article)The aim of this study was to examine the microlevel factors affecting women’s participation in the Qatar workforce, as the gender gap in employment is still wide, and addressing this issue remains an essential item on the ... -
Determinants of fish consumption in the state of Qatar: Post blockade
( Academic Journal , 2020 , Article)This study used a count data model to analyse the factors that affect fish consumption in Qatar after the blockade; aiming for effective evaluation, formulation and implementation, of policies for the fishery sector. To ... -
DETERMINANTS OF PARENTAL CHILD’S SCHOOL PREFERENCES IN QATAR
( Gyandhara International Academic Publications , 2019 , Article)Purpose: The objective of this study is to investigate the impact of “Quality Education”, “Developing Better Social Skills”, “Homework Assignment”, “Using Private Tutors”, “Charging School Fees” and “Nationality” on ...