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السجلات المعروضة 2122 -- 2141 من 4726
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Impact of a Sand Filtration Pretreatment Step on High-Loaded Greywater Treatment by an Electrocoagulation Technique
( Multidisciplinary Digital Publishing Institute (MDPI) , 2023 , Article)Greywater (GW) treatment by the electrocoagulation (EC) technique alone might not meet the required standards in terms of pollutant removal, specifically when GW contains high loads of pollutants. In this preliminary study, ... -
The Impact of Acute and Chronic Exercise on Immunoglobulins and Cytokines in Elderly: Insights From a Critical Review of the Literature.
( Frontiers Media , 2021 , Article Review)The level of immunoglobulins and cytokines changes with an ageing immune system. This review summarizes findings from studies that have examined the impact of acute and chronic exercise on immunoglobulins and cytokines in ... -
Impact of alternate Mn doping in ternary nanocomposites on their structural, optical and antimicrobial properties: Comparative analysis of photocatalytic degradation and antibacterial activity
( Academic Press , 2023 , Article)The present study was done to investigate and compare the photocatalytic and antibacterial activity of two in situ Manganese doped ternary nanocomposites. The dual ternary hybrid systems comprised Mn-doped Ag2WO4 coupled ... -
Impact of aluminium acetate particles size on the gelation kinetics of polyacrylamide-based gels: Rheological and molecular simulation study
( John Wiley and Sons Inc , 2021 , Article)Inorganically crosslinked polymers have been intensively implemented for conformance control treatments in oil and gas wells at low temperatures (<90°C) because of their faster gelation time compared to organically crosslinked ... -
Impact of ambient temperature, precipitation and seven years of experimental warming and nutrient
( Elsevier , 2021 , Article)Global change is causing changes in temperature, precipitation, and nutrient availability. Alpine and polar regions are predicted to be among the most vulnerable for these changes. We applied a seven-year factorial experiment ... -
Impact of ambient temperature, precipitation and seven years of experimental warming and nutrient addition on fruit production in an alpine heath and meadow community
( Elsevier , 2022 , Article)Alpine and polar regions are predicted to be among the most vulnerable to changes in temperature, precipitation, and nutrient availability. We carried out a seven-year factorial experiment with warming and nutrient addition ... -
Impact of Attention Deficit Hyperactivity Disorder on Driving among Drivers in Qatar
( Qatar University Press , 2021 , Poster)This study aims to investigate the impact of ADHD traits on young drivers' deviant driving behaviors that may contribute to their involvement in traffic crashes. Methods: A sample of 450 young drivers from the State of ... -
Impact of clays on CO2 adsorption and enhanced gas recovery in sandstone reservoirs
( Elsevier Ltd , 2021 , Article)Carbon dioxide enhanced gas recovery (EGR) is a promising technique to sequester CO2 and boost natural gas recovery from conventional depleted and unconventional tight gas reservoirs. Clay minerals are usually present in ... -
Impact of coatings on the electrochemical performance of LiNi0.5Mn1.5O4 cathode materials: A focused review
( Elsevier Ltd , 2022 , Article Review)The application of Lithium-ion batteries (LIBs) in portable electronics and electric vehicles (EVs) has increased in the past decade. Extended commercialization of LIBs for advanced applications requires the development ... -
Impact of combined oil-in-water emulsions and particulate suspensions on ceramic membrane fouling and permeability recovery
( Elsevier B.V. , 2019 , Article)The application of crossflow ceramic microfiltration (CFCMF) to the removal of emulsified oil from a simple analogue of raw produced water (PW) arising from oil exploration has been studied. Outcomes relate to surfactant ... -
Impact of composition and salinity on swelling and gel strength of poly (acrylamide-co-acrylic acid) preformed particle gel
( Institute for Ionics , 2023 , Article)The effects of various material compositions and reservoir environments on the ultimate strength and swelling kinetics of a commercial preformed particle gel (PPG) have been investigated. This study used different ratios ... -
Impact of corona and radio-frequency plasma treatment on the degradation of poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV)
( BME-PT and GTE , 2022 , Article)Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) is a polyester, produced naturally by microorganisms, with excellent biocompatibility. Corona and radio-frequency (RF) plasma treatment were applied in order to improve ... -
Impact of COVID-19 Pandemic on Qatar Electricity Demand and Load Forecasting: Preparedness of Distribution Networks for Emerging Situations
( MDPI , 2022 , Article)The COVID-19 pandemic has brought several global challenges, one of which is meeting the electricity demand. Millions of people are confined to their homes, in each of which a reliable electricity supply is needed, to ... -
Impact of employees' perceived corporate social responsibility on organizational citizenship behavior: A proposed theoretical model
( IGI Global Publishing , 2020 , Article)Perceived reality plays a more prominent role in shaping one's attitudes and behaviors than the actual reality itself. Research on perceived corporate social responsibility (PCSR) has gained interest and this research study ... -
Impact of financial literacy, perceived access to finance, ICT use, and digitization on credit constraints: evidence from Qatari MSME importers
( Springer Nature , 2024 , Article)This study investigates the role of financial literacy (FL), perceived access to finance (PAF), information communication technology (ICT) usage, and digitization in alleviating the level of credit constraint that micro, ... -
Impact of Gender-related Legal Regulations on Pursuing Sustainable Development: A study of Kuwait's National Development Plan (Vision 2035)
( Gulf Studies center - College of Arts & Sciences - Qatar University , 2020 , Conference Paper)This paper seeks to analyze the impact of gender inequality on the Sustainable Development Goals 2030 as expressed in the UN Post-Millennium global program. More specifically, it aims to illustrate how gender equality and ... -
Impact of global value chains integration on firm performance in Sub-Saharan Africa: evidence from micro panel data
( Inderscience , 2023 , Article)This paper examines the impact of global value chains (GVCs) participation on firm performance, using panel data for a sample of 3,790 manufacturing firms distributed in 22 Sub-Saharan African countries. To account for ... -
The impact of government policies on FDI decision of multinational corporations: an application to the Vietnamese service industry
( Inder science Enterprises Ltd. , 2018 , Article)There has been an upsurge in competition amongst Asian countries to attract foreign direct investment (FDI) resulting in higher government incentives given by the host countries. Whereas most of the empirical studies ... -
Impact of high turbidity on reverse osmosis: Evaluation of pretreatment processes
( Desalination Publications , 2020 , Article)This study evaluates the performance of sand filtration (SF) and ultra-filtration (UF) as pretreat-ment processes for reverse osmosis (RO) for seawater with turbidities of 4.8, 23.2, and 99.7 NTU. For seawater with a ... -
Impact of indirect taxes on CO2 emissions in the presence of institutional quality: evidence from a global panel data analysis
( Emerald Publishing Limited , 2023 , Article)Purpose: Despite the importance of tax policy in reducing energy consumption and carbon emissions, there is a dearth of research on the environmental impact of indirect taxes. This paper examines the impact of indirect ...
