Search
Now showing items 121-130 of 585
Polymer-metal oxide composite nanofibers
(
Elsevier
, 2021 , Book chapter)
Extensive studies have been conducted on different kinds of polymers, their composites, and multifunctionalities, depending on their structural features. Metal oxides and their polymer nanocomposites offer technological ...
Design and thermo-economic evaluation of an integrated concentrated solar power – Desalination tri-generation system
(
Elsevier Ltd
, 2021 , Article)
In this work, a concentrated solar power (CSP) tri-generation system that is capable of the simultaneous production of steam, power and freshwater is introduced. The abundantly available direct normal irradiance can ...
Microstructure and mechanical behavior of cementitious composites with multi-scale additives
(
Techno Press
, 2021 , Article)
This paper studies the effect of using multi-scale reinforcement additives on mechanical strengths, damage performance, microstructure, and water absorption of cementitious composites. Small dosages of carbon nanotubes ...
Applying zero trust security principles to defence mechanisms against data exfiltration attacks
(
wiley
, 2021 , Book chapter)
The zero-trust principle explicitly verifies that the authentication and authorization of all actions are performed regardless of the requesting user's credentials or permissions. This chapter presents the details of a ...
Electrospun nanofibers of PVDF-HFP composites containing magnetic nickel ferrite for energy harvesting application
(
Elsevier Ltd
, 2020 , Article)
Nickel ferrite nanoparticles (NiFe2O4) synthesized by chemical co-precipitation method, are added to poly(vinylidene fluoride-co-hexafluoroproplyene) (PVDF-HFP) in specific concentrations (1, 2, and 3 wt%) and the composite ...
Russia and the new security system in the Persian Gulf: Approach and strategy
(
Gulf Studies center - College of Arts & Sciences - Qatar University
, 2021 , Conference Paper)
The region of the Persian Gulf, which is strategically important for the whole world, is experiencing extremely alarming trends. Ensuring security in the strategically important area of the Persian Gulf is one of the key ...
Electrospun Polystyrene/PANI-Ag fibers for organic dye removal and antibacterial application
(
Elsevier Ltd
, 2020 , Article)
Herein we report superior dye-degradation performance for polyaniline-silver (PANI-Ag) nanoparticle coated on polystyrene (PS) electrospun membrane by in situ-polymerization method. Morphological study of the coated membrane ...
Emergence of Cyber Conflict and Cyber Security Resilient in Gulf region
(
Gulf Studies center - College of Arts & Sciences - Qatar University
, 2021 , Conference Paper)
As conventional warfare grows increasingly obsolete, the future of combat will undoubtedly shift towards the domain of cyberspace. Cyber-attack is a new contrivance of national supremacy. It offers a means of intimidation, ...
Formation and Structure of Sulfide Deposits on Carbon Steel Under Free Corrosion Potential
(
Association for Materials Protection and Performance
, 2021 , Article)
The corrosion of alloy materials in the H2S environment has considerably limited the growth of oilfield manufacturing. The sour corrosion of iron has frequently been studied, and steel corrosion under the H2S scheme has ...
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 ...