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السجلات المعروضة 161 -- 170 من 945
Draft legal framework for shared water resources in the Arab World: is it really needed?
(
Routledge
, 2021 , Article)
Attempts to establish a regional water convention covering shared water resources in the Arab world have been ongoing for more than a decade. During this time, a Draft Arab Water Convention has been proposed, and the content ...
A novel electrocoagulation electrode configuration for the removal of total organic carbon from primary treated municipal wastewater
(
Springer
, 2020 , Article)
In this paper, the removal of total organic carbon (TOC) from a primary treated municipal wastewater using a new electrode configuration in electrocoagulation was evaluated. The used electrode configuration induces a ...
حضور أفكار ابن خلدون وتوينبي في تفسير مالك بن نبي للحركة الدورية للحضارة
(
Department of Aqidah and Islamic Thought, Academy of Islamic Studies, University of Malaya, Kuala Lumpur.
, 2021 , Article)
The research analysed the presence of the ideas of Ibn Khaldun and Toynbee in the thought of Malek Bennabi in his interpretation of the cyclical movement of civilization and its related issues. To achieve this goal, this ...
Spatial variability of summer hydrography in the central Arabian Gulf
(
Elsevier
, 2021 , Article)
The Arabian Gulf is a very significant ocean body, which hosts more than 55% of the oil reserves of the world and produces about 30% of the total production, and thus, it is likely to face high risk and adverse problems ...
Theoretical Studies of a Silica Functionalized Acrylamide for Calcium Scale Inhibition
(
MDPI
, 2022 , Article)
The calcium carbonate (CaCO3 ) scale is one of the most common oilfield scales and oil and gas production bane. CaCO3 scale can lead to a sudden halt in production or, worst-case scenario, accidents; therefore, CaCO3 scale ...
Nicotinamide-based supergelator self-assembling via asymmetric hydrogen bonding NH OC and H Br pattern for reusable, moldable and self-healable nontoxic fuel gels
(
Academic Press Inc.
, 2021 , Article)
Hypothesis
Development of highly efficient low-molecular weight gelators (LMWGs) for safe energy storage materials is of great demand. Energy storage materials as fuel gels are often achieved by construction of hybrid ...
Random vector functional link neural network based ensemble deep learning for short-term load forecasting
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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 ...
Duration of mRNA vaccine protection against SARS-CoV-2 Omicron BA.1 and BA.2 subvariants in Qatar.
(
Nature Research
, 2022 , Article)
SARS-CoV-2 Omicron BA.1 and BA.2 subvariants are genetically divergent. We conducted a matched, test-negative, case-control study to estimate duration of protection of the second and third/booster doses of mRNA COVID-19 ...
Optimization of magnetic nanoparticles draw solution for high water flux in forward osmosis
(
MDPI
, 2021 , Article)
In this study, bare iron oxide nanoparticles were synthesized using a co-precipitation method and used as a draw solute in forward osmosis. The synthesis conditions of the nanoparticles were optimized using the Box-Behnken ...
Genetic diversity of Prosopis juliflora in the state of Qatar and its valuable use against postharvest pathogen of mango fruits
(
Nature Research
, 2022 , Article)
Mango (Mangifera indica) is the second most internationally traded tropical fruit in the world. The fruit has high nutritional value. Its susceptibility to postharvest diseases and chill injuries increases its storage cost ...