تصفح Research Units حسب العنوان
السجلات المعروضة 2505 -- 2524 من 4794
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Limits and possible solutions in quantum dot organic solar cells
( Elsevier Ltd , 2018 , Article Review)In this review article, we present recent advancements in the field of organic photovoltaics (OPV) that have been achieved through the applications of quantum dots (QDs). We describe the leading experimental accomplishments ... -
Linear dynamics modelling of droplet deformation in a pulsatile electric field
( Institution of Chemical Engineers , 2016 , Article)A linear dynamic model of water droplet deformation in the presence of an electric field has been developed. Analytical solutions of the differential equation of motion are provided with different waveforms as forcing ... -
Lipid-lowering therapies for atherosclerosis: Statins, fibrates, ezetimibe and pcsk9 monoclonal antibodies
( Bentham Science Publishers , 2021 , Article Review)Cardiovascular disease (CVD) remains the primary cause of global morbidity and mortality. CVD includes various life-threatening conditions such as myocardial infarction, stroke and peripheral arterial diseases. In this ... -
Liquid biopsy: a step closer to transform diagnosis, prognosis and future of cancer treatments
( BMC , 2022 , Article Review)Over the past decade, invasive techniques for diagnosing and monitoring cancers are slowly being replaced by non-invasive methods such as liquid biopsy. Liquid biopsies have drastically revolutionized the field of clinical ... -
Liquid exfoliated MoS2 sheet coupled with conductive polyaniline for gas sensor
( Qatar University Press , 2021 , Poster)Polyaniline (PANI)/MoS2 composites with porous microspheres were prepared by a hydrothermal and in situ polymerization method. The structural, optical, and morphological properties were characterized by X-ray powder ... -
A literature review of the strategic decision-making context: A synthesis of previous mixed findings and an agenda for the way forward
( AIMS , 2020 , Article)The aim of this article is to conduct a comprehensive literature review concerning the influence of contextual factors on strategic decision processes. Our literature review organizes the existing literature on contextual ... -
Lithium capture in seawater reverse osmosis (SWRO) brine using membrane-based capacitive deionization (MCDI) system
( Qatar University Press , 2021 , Poster)Lithium-battery based industries including vehicles, electronics, fusion and thermonuclear, consume lithium rapidly, which raises the need for developing a lithium recovery system. Lithium global market consumption in 2016 ... -
Litho-structural mapping and structural evolution of the Bocaranga pluton, northwest Adamawa-Yadé domain, Central African Republic
( Elsevier , 2023 , Article)The Bocaranga pluton, in the northern domain of the Central African Orogenic Belt (CAOB) in the Central African Republic (CAR), is located in the Adamawa-Yadé domain, near the Mbéré Shear Zone (MBSZ). This study provides ... -
Lithologic Characterization and Micropore Structures of Gas Shale Strata: An example from the Midra Shale of Western Qatar
( Qatar University Press , 2021 , Poster)Gas shale is the future hydrocarbon reservoir of Qatar. The Qatari geologic section has had important successions of gas shale at different geologic times including the Eocene Midra shale, the Cretaceous Ratawi and Nahr ... -
Lithology, mineral assemblages and microbial fingerprints of the evaporite-carbonate sediments of the coastal sabkha of Abu Dhabi and their extraterrestrial implications
( cambridge university press , 2010 , Article)Deep-core and surface samples collected from the coastal sabkha of Abu Dhabi were subjected to a multi-proxy study, including petrographic, geochemical and spectroscopic analyses. The sediments studied are composed of ... -
Litter decomposition above the treeline in alpine regions: A mini review
( Elsevier , 2021 , Article)Litter decomposition is a key driver of ecosystem processes and carbon cycling. Decomposition rate is influenced by numerous factors, such as temperature, humidity, litter properties, soil properties, and properties of ... -
Livestock Practices: Traditional Animal Holdings Classification in Qatar 2020 Towards Sustainable Food Security
( ASSOC ADVANCEMENT ZOOLOGY , AZADANAGAR COLONY RUSTAMPUR, GORAKHPUR, INDIA , 2023 , Article)Background: Traditional animal holdings (TAH) in Qatar face many managerial challenges, such as inadequate usage of land capacity, low levels of animal productivity and low economic returns. The top priority of the Ministry ... -
Local community perception of climate change adaptation in Egypt
( Institute of Physics Publishing , 2018 , Conference Paper)Climate change policies in countries of the Middle East and Northern Africa (MENA) region are evolving from a top-down, government-led approach towards more pluralistic climate governance, which incorporates a local ... -
Local supersaturation and the growth of protective scales during CO2 corrosion of steel: Effect of pH and solution flow
( Elsevier Ltd , 2017 , Article)By correlating in-situ synchrotron X-ray diffraction measurements with electrochemical measurements using a rotating disc electrode, we demonstrate the critical dependence on the local supersaturation of the kinetics of ... -
LocationSpark: In-memory Distributed Spatial Query Processing and Optimization
( Frontiers Media S.A. , 2020 , Article)Due to the ubiquity of spatial data applications and the large amounts of spatial data that these applications generate and process, there is a pressing need for scalable spatial query processing. In this paper, we present ... -
Long non-coding RNAs regulated NF-κB signaling in cancer metastasis: Micromanaging by not so small non-coding RNAs
( Elsevier Ltd , 2022 , Article)Cancer metastasis is a major reason for the cancer-associated deaths and a role of long non-coding RNAs (lncRNAs) in cancer metastasis is increasingly being realized. Among the many oncogenic pathways, NF-κB signalling’s ... -
Long-term assessment of onshore and offshore wind energy potentials of Qatar
( MDPI AG , 2021 , Article)Exploitation of conventional energy resources has caused a deliberate increase in the emitted carbon in the atmosphere, which catalyzes global warming trends. This is a matter of concern, especially in Qatar, where fossil ... -
Long-term COVID-19 booster effectiveness by infection history and clinical vulnerability and immune imprinting: a retrospective population-based cohort study
( Elsevier , 2023 , Article)BackgroundLong-term effectiveness of COVID-19 mRNA boosters in populations with different previous infection histories and clinical vulnerability profiles is inadequately understood. We aimed to investigate the effectiveness ... -
Long-term in vivo study of biodegradable Zn-Cu stent: A 2-year implantation evaluation in porcine coronary artery
( Acta Materialia Inc , 2019 , Article)In the present study, a novel biodegradable Zn-0.8Cu coronary artery stent was fabricated and implanted into porcine coronary arteries for up to 24 months. Micro-CT analysis showed that the implanted stent was able to ... -
Long-term semi-continuous cultivation of a halo-tolerant Tetraselmis sp. using recycled growth media
( Elsevier Ltd , 2019 , Article)In this study, a halotolerant Tetraselmis sp. was selected for 11-month outdoor semi-continuous cultivation in one sq. m raceway tank in the Qatari desert. A fraction of the culture was harvested using ferric chloride, and ...
