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Microplastics in surface waters of the Gulf of Gabes, southern Mediterranean Sea: Distribution, composition and influence of hydrodynamics
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Elsevier
, 2020 , Article)
The Mediterranean Sea has been described as one of the most affected areas by marine litter in the world. Although microplastics and their effects have been investigated in this area, most of the currently available studies ...
CO, CO2, and SO2 detection based on functionalized graphene nanoribbons: First principles study
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Elsevier
, 2020 , Article)
In this study, density functional theory (DFT) has been used to build armchair graphene nanoribbon (AGNR) gas sensor and study its capacity to detect carbon monoxide (CO), carbon dioxide (CO2), and sulfur dioxide (SO2) ...
Production of flexible nanocomposite membranes for x-ray detectors
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Elsevier
, 2020 , Article)
Flexible membranes of poly(vinyl alcohol) (PVA) polymer and CuO nanoparticles for x-ray detection applications are reported in this work. PVA represents a polymer matrix for nanoparticles, and its flexibility and electrical ...
Carbon mineralization, biological indicators, and phytotoxicity to assess the impact of urban sewage sludge on two light-textured soils in a microcosm
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Wiley
, 2020 , Article)
The agricultural reuse of urban sewage sludge (USS) modifies soil properties depending on sludge quality, management, and pedo-environmental conditions. The aim of this microcosm study was to assess C mineralization and ...
A quest for the Arabian atom? Geopolitics, security, and national identity in the nuclear energy programs in the Middle East
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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 ...
A systems thinking approach to understanding the challenges of achieving the circular economy
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Springer Nature
, 2020 , Article)
Circular economy (CE) is extensively discussed around the globe. Presently, discussions are mostly concerned with the importance of achieving CE and the benefits associated therewith, with the various barriers surrounding ...
First principle investigation of H2Se, H2Te and PH3 sensing based on graphene oxide
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Elsevier
, 2020 , Article)
Detecting toxic gases is of great importance to protect our health and preserve the quality of life. In this work, graphene (G) and graphene oxide with three different modifications (G–O, G–OH, and G–O–OH) have been used ...
Mychonastes homosphaera (Chlorophyceae): A promising feedstock for high quality feed production in the arid environment
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Elsevier
, 2020 , Article)
Rapid development and drastic population increase in Qatar have led to increasing awareness about food security. Microalgae are considered one of the most promising feedstocks owing to their ability to produce nutrients, ...
Monitoring the variation of soil quality with sewage sludge application rates in absence of rhizosphere effect
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Elsevier
, 2020 , Article)
Agricultural soils in semi-arid regions have frequently been degraded due to adverse climatic conditions, organic matter depletion, and poor farming practices. To enhance soil quality, this study examines the reuse of ...
Nutrient retention and release from raw exhausted grape marc biochars and an amended agricultural soil: Static and dynamic investigation
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Elsevier
, 2020 , Article)
Biochar is the solid by-product of biomass thermochemical conversion via pyrolysis technique. Biochar addition to croplands as an organic amendment can improve soil properties and increase agricultural productivity. However, ...