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السجلات المعروضة 3345 -- 3364 من 4709
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Quantification of ecosystem services providing socio-economic benefits to customary owners of natural resources in Pauri, western Himalaya
( Elsevier , 2022 , Article)Climate change has negative consequences for the biophysical environment and an observable impact on flows of ecosystem services. Considering the high relevance of ecosystem services, it is imperative to analyze the present ... -
Quantification of the growth suppression of HER2+ breast cancer colonies under the effect of trastuzumab and PD-1/PD-L1 inhibitor.
( Frontiers Media , 2022 , Article)Immune checkpoint blockade (ICB)-based therapy is revolutionizing cancer treatment by fostering successful immune surveillance and effector cell responses against various types of cancers. However, patients with HER2+ ... -
Quantifying and reducing concentration polarization in reverse osmosis systems
( Elsevier , 2023 , Article Review)Reverse osmosis (RO) is an efficient water purification technique because of its high selectivity and permeability. During RO operation, rejection of solutes at the membrane surface leads to generation of a concentration ... -
Quantifying people in the GCC region: the uses, challenges, and efficacy of the quota system policy
( Routledge - Taylor and Francis Group , 2022 , Article)Providing employment to nationals in an economy where more than two-thirds of the population comprise foreigners has been a struggle for the Gulf Cooperation Council (GCC) countries. Of the various tactics used by the GCC ... -
Quantifying Satisfaction of Security Requirements of Cloud Software Systems
( Institute of Electrical and Electronics Engineers Inc. , 2023 , Article)The satisfaction of a software requirement is commonly stated as a Boolean value, that is, a security requirement is either satisfied (true) or not (false). However, a discrete Boolean value to measure the satisfaction ... -
Quantifying the impact of COVID–19 preventive measures on traffic in the State of Qatar
( Elsevier , 2021 , Article)Ever since the beginning of 2020, the mobility of people and goods all over the world has been extremely limited as a result of movement restrictions imposed by local authorities as part of several other efforts to stop ... -
Quantifying variations in ecosystem services in altitude-associated vegetation types in a tropical region of China
( Elsevier , 2020 , Article)Natural vegetation is important for ecosystem services (ESs) provision, but is decreasing rapidly due to human-driven land use change, especially rapid expansion of commercial plantations. This is leading to a decrease in ... -
A quantity-distribution synthesized framework for risk assessment of algal blooms
( Elsevier , 2023 , Article)Algal blooms threaten water safety and quality, particularly in lakes with vulnerable environment and advanced urbanization. Due to low water exchange rate and multiple human activity influences, algal blooms in inland ... -
Quantum chemical computations and photophysical spectral features studies of two coumarin compounds
( John Wiley and Sons Ltd , 2020 , Article)An attempt was made to determine the ground state and excited state dipole moments and quantum chemical computations of two coumarin compounds, namely 3-hydroxy-3-[2-oxo-2-(2-oxo-2H-chromen-3-yl)-ethyl]-1,3-dihydro-indol-2-one ... -
Quantum chemical computations, fluorescence spectral features and molecular docking of two biologically active heterocyclic class of compounds
( Elsevier B.V. , 2021 , Article)This work is an effort for determination of excited and ground state values of dipole moments and also for quantum chemical computation of two biologically active heterocyclic class of compounds namely of 3-[2-Oxo-2-(2-o ... -
A quest for the Arabian atom? Geopolitics, security, and national identity in the nuclear energy programs in the Middle East
( Elsevier , 2020 , Article)Nuclear energy programs are currently under formalization in countries of the Gulf Cooperation Council (GCC), with the first power plants in the United Arab Emirates (UAE) due to be operational in 2020, and Saudi Arabia's ... -
Queue Discharge at Freeway On-Ramps Using Coordinated Operation of a Ramp Meter and an Upstream Traffic Signal
( Elsevier , 2020 , Conference Paper)Ramp metering is an effective way of maintaining optimum traffic conditions and mitigating congestion on freeways. Several strategies for ramp metering exist in the literature. They are typically based on the freeway traffic ... -
QuicTor: Enhancing Tor for Real-Time Communication Using QUIC Transport Protocol
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)In the past decades, the internet has emerged as the fastest way to access information. However, this revolutionary information age comes with its own set of challenges. The privacy of Internet users is at increasing risk ... -
QUYSC STEM Digilearning Model
( Qatar University Press , 2021 , Poster)Covid-19 and the unprecedented shift in educational delivery, has revealed multiple perforations in the science-learning pedagogies. The technological replacements for a physical presence of an instructor and peer collaborated ... -
Radioactivity levels in the marine environment along the Exclusive Economic Zone (EEZ) of Qatar
( Elsevier , 2015 , Article)A study on 137Cs, 40K, 226Ra, 228Ra, and 238U was carried out along the EEZ of Qatar. Results serve as the first ever baseline data. The level of 137Cs (mean value 1.6 ± 0.4 Bq m 3) in water filters was found to be in the ... -
Raman spectroscopy of the Dukhan sabkha: identification of geological and biogeological molecules in an extreme environment
( The Royal Society , 2010 , Article)The characterization of minerals and biogeological deposits in a terrestrial Arabian sabkha has a direct relevance for the exploration of Mars since the discovery by the NASA rovers Spirit and Opportunity of evaporate ... -
Random vector functional link neural network based ensemble deep learning for short-term load forecasting
( Elsevier Ltd , 2022 , Article)Electric load forecasting is essential for the planning and maintenance of power systems. However, its un-stationary and non-linear properties impose significant difficulties in predicting future demand. This paper proposes ... -
Randomization in small sample surveys with the Halton sequence
( European Survey Research Association , 2018 , Article)Randomization has been widely used in surveys for various purposes such as within household respondent selection, rotation of questions and answer choices, and split sample (or ballot) technique for survey experiments. The ... -
Randomized clinical trial comparing abluminal biodegradable polymer sirolimus-eluting stents with durable polymer sirolimus-eluting stents: Nine months angiographic and 5-year clinical outcomes
( Wolters Kluwer Health, Inc , 2016 , Article)Background: The biodegradable polymer drug-eluting stents (DES) were developed to improve vascular healing. However, further data and longer-term follow-up are needed to confirm safety and efficacy of these stents. This ... -
Rapid Antibody-Based COVID-19 Mass Surveillance: Relevance, Challenges, and Prospects in a Pandemic and Post-Pandemic World.
( MDPI , 2020 , Article Review)The aggressive outbreak of the severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) as COVID-19 (coronavirus disease-2019) pandemic demands rapid and simplified testing tools for its effective management. Increased ...