Browsing Research Units by Title
Now showing items 4295-4314 of 4992
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The effect of site-specific spectral densities on the high-dimensional exciton-vibrational dynamics in the FMO complex
( Elsevier B.V. , 2017 , Article)The coupled exciton-vibrational dynamics of a three-site model of the FMO complex is investigated using the Multi-layer Multi-configuration Time-dependent Hartree (ML-MCTDH) approach. Emphasis is put on the effect of the ... -
The effect of sliding speed on the wear of steel-tool steel pairs
( Elsevier Ltd , 2016 , Article)This study examines the effect of sliding speed and surface temperature on the wear behavior of an unlubricated mild steel-tool steel contact pair using the pin-on-disc test. The operating conditions and contact pair are ... -
The effect of sulfur dioxide on the activity of hierarchical Pd-based catalysts in methane combustion
( Elsevier B.V. , 2017 , Article)SO2 poisoning of methane oxidation over alumina-supported, Pd@CexZr1−xO2 nanoparticle catalysts was systematically studied by means of advanced PhotoElectron Spectroscopy (PES) methods. The Pd@CexZr1−xO2 units were synthesized ... -
The Effect of Temperature on Inorganic Electron Transport Materials in HTM-Free Carbon-based PSCs
( Institute of Electrical and Electronics Engineers Inc. , 2024 , Conference Paper)Carbon electrode-based perovskite solar cells (c-PSCs) have attracted significant attention due to their cost-effectiveness and simplified structure, particularly when devoid of a hole transport material. However, the ... -
The effect of vacancy defects on the adsorption of methane on calcite 104 surface
( Elsevier Editora Ltda , 2021 , Article)Density functional theory calculations are used to study the effect of vacancy defects (ionic Ca and charge neutral CO3) on the adsorption properties of CH4 molecule on different calcite surfaces. Both types of vacancy ... -
The effectiveness of applying dynamic lane assignment at all approaches of signalized intersection
( Elsevier Ltd , 2017 , Article)Existing traffic control strategies at signalized intersections aim at the optimization of signal timing parameters while assuming fixed lane assignments to the movements at each approach. Such control results in the waste ... -
The Effects of Class IV Hemorrhagic Hypotensive Shock and Its Resuscitation with Fluids and Adjuvant Vasopressors or Cellular Energy Replenishment on the Splanchnic Microcirculation
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Traumatic exsanguination leading to class IV hemorrhagic shock as defined by the Committee on Trauma of the American College of Surgeons requires aggressive resuscitation with crystalloids and packed cells together with ... -
The efficacy of two household cleaning and disinfecting agents on Lentil (Lens culinaris Medik) and Faba bean (Vicia faba) seed germination
( Qatar University Press , 2021 , Poster)A germination test of Vicia faba and Lens culinaris seeds under the effect of bleach and vinegar was conducted for seven days, and the observations were recorded daily. The completely randomized design (CRD) was used to ... -
The emergence of new immigrant organisations in the USA: collective engagement
( Routledge , 2023 , Article)Immigrant organisations tend to engage with immigrant communities within a host country and their country of origin through various transnational activities. This study explores the emergence of immigrant organisations ... -
The emerging role of biochar in the carbon materials family for hydrogen production
( Elsevier , 2022 , Article Review)The energy crisis is at the top of global priorities. It left us with an option to progress with highly efficient materials for energy conversion, production, and storage systems. Carbon nano-allotropes have more accessible, ... -
The eutherian pseudoautosomal region
( S. Karger AG , 2016 , Article Review)The pseudoautosomal region (PAR) is a unique segment of sequence homology between differentiated sex chromosomes where recombination occurs during meiosis. Molecular and functional properties of the PAR are distinctive ... -
The Existing Initiatives to Establish Regional Security Arrangement in the Region Towards a Desirable Model
( Gulf Studies center - College of Arts & Sciences - Qatar University , 2021 , Conference Paper)Security, stability, and cooperation are the missing links in our region. Over the last few decades, many attempts have been made to establish the security mechanism such as UNSCR 598, where requests UN Secretary- General ... -
The Fabrication of Halogen-Doped FeWO4 Heterostructure Anchored over Graphene Oxide Nanosheets for the Sunlight-Driven Photocatalytic Degradation of Methylene Blue Dye
( Multidisciplinary Digital Publishing Institute (MDPI) , 2023 , Article)Rapid industrialization and urbanization are the two significant issues causing environmental pollution. The polluted water from various industries contains refractory organic materials such as dyes. Heterogeneous ... -
The Family Role of Young Saudi Men in Transforming Kingdom : Case Studies from the Regions
( Gulf Studies center - College of Arts & Sciences - Qatar University , 2023 , Conference Paper)Women's empowerment, widespread entertainment, and a breakdown of gender segregation: in much of international reporting and academic literature, these exemplify the 'new Saudi Arabia' freed from the more restrictive ... -
The Future of Aerial Communications: A Survey of IRS-Enhanced UAV Communication Technologies
( IEEE , 2024 , Conference Paper)The advent of Intelligent Reflecting Surfaces (IRS) and Unmanned Aerial Vehicles (UAVs) is setting a new benchmark in the field of wireless communications. IRS, with their groundbreaking ability to manipulate electromagnetic ... -
The GCC from the hegemony of one to the balance of power to all
( Gulf Studies center - College of Arts & Sciences - Qatar University , 2021 , Conference Paper)Gulf Cooperation Council (GCC) was founded by six monarchies to protect the small members from regional threats, namely Iran and Iraq. However, the failure of the GCC to stop the Kuwaiti invasion questioned the organisation's ... -
The Gender-Pay Gap and the Family in the Gulf: Root Causes, Implications and Policy Response
( Gulf Studies center - College of Arts & Sciences - Qatar University , 2020 , Conference Paper)Despite the remarkable progress in women's status in countries of the Gulf gender equality remains unfulfilled. According to evidence, the Gulf has been underperforming on the arena of women's economic participation, ... -
The Geopolitics of Energy Transitions in Arab Gulf States
( Gulf Studies center - College of Arts & Sciences - Qatar University , 2019 , Conference Paper)The energy-based political economies of the Arab Gulf States are entering a period of significant change as a combination of domestic challenges and regional tensions intersect with the rise of a new generation of more ... -
The GO/Bi2O3/WO3 ternary hybrid composite as an efficient sunlight-driven heterogeneous photocatalyst for wastewater remediation
( Springer Nature , 2024 , Article)Semiconductor photocatalysts with engineered heterostructure are gaining attention for environmental remediations. The combination of two or more metal oxides with support materials has proved an effective strategy for ... -
The Gulf as a Global Contact Zone: Chronotopic identities and (linguistic) landscapes
( Gulf Studies center - College of Arts & Sciences - Qatar University , 2020 , Conference Paper)Migration, transformation, and urbanization emerge as the key- factors that brought changes in the Gulf area. Social change as changes in social interaction involve differently different segments of population, according ...