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السجلات المعروضة 722 -- 741 من 4562
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Comparison of different fourth order Hilbert fractal antennas for partial discharge measurement
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Article)Three Hilbert fractal antenna designs are proposed in this work to capture and classify common types of partial discharge (PD) in an oil insulated system. Each antenna design shows unique characteristics in terms of resonant ... -
Comparison of dual stage ultrafiltration and hybrid ultrafiltration-forward osmosis process for harvesting microalgae (Tetraselmis sp.) biomass
( Elsevier , 2020 , Article)In this study, a hybrid ultrafiltration-forward osmosis system was compared with a dual stage ultrafiltration process for the harvesting of marine microalgae. To the best of the author's knowledge none of the previous ... -
Comparison of intestinal parasitic infection in newly arrived and resident workers in Qatar.
( BioMed Central , 2011 , Article)The rapid growth of Qatar in the last two decades has been associated with an enormous expansion of building programs in its cities and in the provision of new service industries. This in turn has attracted a large influx ... -
A comparison of isolation and culture protocols for human amniotic mesenchymal stem cells.
( Taylor and Francis , 2022 , Article Review)The successful translation of mesenchymal stem cells (MSCs) from bench to bedside is predicated upon their regenerative capabilities and immunomodulatory potential. Many challenges still exist in making MSCs a viable and ... -
Comparison of machine learning models for predicting groundwater level, case study: Najafabad region
( Springer Science and Business Media Deutschland GmbH , 2023 , Article)Water resources, consisting of surface water and groundwater, are considered to be among the crucial natural resources in most arid and semiarid regions. Groundwater resources as the sustainable yields can be predicted, ... -
Comparison of nanofiltration with reverse osmosis in reclaiming tertiary treated municipal wastewater for irrigation purposes
( MDPI AG , 2021 , Article)This study compares the performance of nanofiltration (NF) and reverse osmosis (RO) for the reclamation of ultrafiltered municipal wastewater for irrigation of food crops. RO and NF technologies were evaluated at different ... -
Comparison of the effect of carbon, halloysite and titania nanotubes on the mechanical and thermal properties of LDPE based nanocomposite films
( Chemical Industry Press , 2018 , Article)In this study, titania nanotubes (TNTs) were prepared by hydrothermal method with the aim to compare the properties of these one-dimensional tubular nanostructures' reinforced nanocomposites with the carbon and halloysite ... -
A comparison of the macrofauna of natural and replanted mangroves in Qatar
( Academic Press , 1999 , Article)The present investigation quantifies the biodiversity of the Brachyura and fish living within the natural mangrove Avicennia marina, salt marsh find replanted mangal, and compares relevant features of the abiotic and biotic ... -
Comparison study of metal oxides (CeO2, CuO, SnO2, CdO, ZnO and TiO2) decked few layered graphene nanocomposites for Dye-Sensitized solar cells
( MDPI AG , 2021 , Article)Recent research is focused on few layered graphene (FLG) with various metal oxides (MOs) as (MOs; CeO2, CuO, SnO2, CdO, ZnO, and TiO2) nanocomposite materials are alternatives to critically important in the fabrication of ... -
Compatibilizing role of carbon nanotubes in poly(vinyl alcohol)/starch blend
( WILEY-VCH Verlag GmbH & Co. , 2015 , Article)Polymer nanocomposites based on poly(vinyl alcohol)/starch blend and carbon nanotubes (CNT) were prepared by solution mixing, followed by casting. Glycerol was used as a plasticizer and added in the starch dispersion. The ... -
Competence and Electability: Exploring the Limitations on Female Candidates in Qatar
( Routledge , 2018 , Article)Attitudes about women’s expertise can play a role in limiting their access to influential public spaces, including elected government positions. In the Arab Gulf, women remain underrepresented in electoral politics. This ... -
Competitive interference during the biodegradation of cresols
( Center for Environmental and Energy Research and Studies , 2018 , Article)Phenol and its methylated derivatives, cresol isomers, are hazardous pollutants that are commonly present in various industrial effluents and known to have detrimental effect on aquatic life as well as human health, due ... -
Compositional engineering of the pi-conjugated small molecular VOPcPhO : Alq3 complex to boost humidity sensing
( Royal Society of Chemistry , 2017 , Article)This study exhibits a solution-processed organic semiconductor humidity sensor based on vanadyl 2,9,16,23-tetraphenoxy-29H,31H-phthalocyanine (VOPcPhO), tris-(8-hydroxy-quinoline)aluminum (Alq3), and their composites. ... -
Compositional engineering of VOPcPhO-TiO2 nano-composite to reduce the absolute threshold value of humidity sensors
( Elsevier B.V. , 2017 , Article)This research work demonstrates compositional engineering of an organic-inorganic hybrid nano-composites for modifying absolute threshold of humidity sensors. Vanadyl-2,9,16,23-tetraphenoxy-29H,31H-phthalocyanine (VOPcPhO), ... -
Comprehensive assessment and evaluation of correlations for gas-oil ratio, oil formation volume factor, gas viscosity, and gas density utilized in gas kick detection
( Elsevier B.V. , 2021 , Article)For reliable gas kick detection modeling and simulation, the PVT properties of the gas must be predicted accurately. The property correlations available in open literature are developed mostly for certain regions and ... -
A Comprehensive Literature Review on Cadmium (Cd) Status in the Soil Environment and Its Immobilization by Biochar-Based Materials
( MDPI , 2022 , Article)Cadmium, Cd(II) pollution of soils is a serious environmental and agricultural issue, posing a threat to crop production, environmental quality, food safety, and human health. Therefore, immobilization of Cd(II) in soils ... -
Comprehensive optimization of the dispersion of mixing particles in an inert-particle spouted-bed reactor (Ipsbr) system
( MDPI , 2021 , Article)Effective gas dispersion and liquid mixing are significant parameters in the design of an inert-particle spouted-bed reactor (IPSBR) system. Solid particles can be used to ensure good mixing and an efficient rate of mass ... -
Comprehensive pore size characterization of Midra shale
( Elsevier B.V. , 2021 , Article)Although the Middle East's carbonate reservoirs were the first and most studied rocks in the world, Middle Eastern shale reservoirs are still poorly understood compared with other unconventional formations in the US. We ... -
A comprehensive review of the deep learning-based tumor analysis approaches in histopathological images: segmentation, classification and multi-learning tasks
( Springer , 2023 , Other)Medical Imaging has become a vital technique that has been embraced in the diagnosis and treatment process of cancer. Histopathological slides, which microscopically examine the suspicious tissue, are considered the golden ... -
A comprehensive review on harvesting of microalgae using Polyacrylamide-Based Flocculants: Potentials and challenges
( Elsevier , 2021 , Article)Microalgae biomass is touted as a highly promising source of renewable third-generation biofuels that could enable a lucrative transition from conventional fossil fuels to more sustainable and environment-friendly energy ...