تصفح Research Units حسب العنوان
السجلات المعروضة 2379 -- 2398 من 4700
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Investigation of various Mg(x)Fe(1−x)2O4 (x = 0.1, 0.5 and 0.9) nanostructures as a resistive and flexible LPG sensor
( Elsevier Ltd , 2020 , Article)This report talks in detail about the successful synthesis of nanoparticle material Mg(x)Fe(1−x)2O4 (x = 0.1, 0.5 and 0.9) through a simple and inexpensive sol-gel auto-combustion process and its application as a gas sensor. ... -
Investigation on evacuated tubes coupled solar still with condenser and fins: Experimental, exergo-economic and exergo-environment analysis
( Elsevier Ltd , 2021 , Article)The present experimental work was done to check the performance enhancement in distillate productivity between CSS and MSS in climatic conditions of Gandhinagar, Gujarat, India (23.21° N, 72.63° E). In modified solar still ... -
Investigation on the effect of LiTFSI salt on PVDF-based Solid Polymer Electrolyte Membranes for Lithium-Ion Batteries
( Qatar University Press , 2021 , Poster)Solid polymer electrolytes provide an alternative approach to providing improved safety whilst concurrently acting as a performance enhanced separator within Lithium-ion batteries (LIBs). This investigation studies the ... -
Investigation on the effect of several parameters involved in the biodegradation of polyethylene (PE) and low-density polyethylene (LDPE) under various seawater environments
( Elsevier , 2024 , Article)This work investigates the biodegradation of polyethylene (PE) and low-density polyethylene (LDPE) and the leaching of their harmful additives. Micro/macro-plastics of both types were subjected to different laboratory-controlled ... -
Investigations of plastic contamination of seawater, marine and coastal sediments in the Russian seas: a review
( Springer , 2021 , Article)Twelve seas with an integral coastline length of about 38,000 km wash upon the Russian coasts. They belong to the basins of the Atlantic, the Arctic, and the Pacific Oceans and stretch over temperate, subpolar, and polar ... -
Ion-Enhanced Conversion of CO2 into Formate on Porous Dendritic Bismuth Electrodes with High Efficiency and Durability
( Wiley-VCH Verlag , 2019 , Article)Facile synthesis of efficient electrocatalysts that can selectively convert CO2 to value-added chemicals remains a challenge. Herein, the electrochemical synthesis of porous Bi dendrite electrodes and details of their ... -
Ion-imprinted membranes for lithium recovery: A review
( Elsevier , 2024 , Article)This review critically examines the effectiveness of ion-imprinted membranes (IIMs) in selectively recovering lithium (Li) from challenging sources such as seawater and brine. These membranes feature customized binding ... -
Ionic diffusion in iPP: DC electrical conductivity
( Elsevier B.V. , 2020 , Article)This study provides a new insight into the relationships between absorption and adsorption processes that occur during the treatment of iPP in aqueous solutions of metal-chloride salts, as well as the impact of these ... -
Ionic liquids application for wastewater treatment and biofuel production: A mini review
( Elsevier B.V. , 2021 , Article Review)Commonly described as ionic compounds that are fluid below 100 C, Ionic Liquids (ILs) have found its application in several fields of science and engineering. Formerly limited in its use for electrochemical purposes, ILs ... -
IRAN 2016: FROM THE SAUDI EMBASSY ATTACK TO THE DEMISE OF RAFSANJANI
( Asia Maior , 2016 , Article)The year 2016 was an internal and external test for Iranian President Hassan Rouhani. The February legislative elections represented strong support for his administration and the nuclear accord with the P5+1 group of ... -
Iran 2017: From Rouhani’s Reelection To The December Protests
( Asia Maior , 2017 , Article)The 2017 was a challenging year for the President Hassan Rouhani despite his reelection. The Presidential and Municipal elections in May represented a clear and strong support for his administration and the nuclear deal ... -
Iran's Trade with Neighbors: Sanctions' Impact and the Alternatives
( John Wiley and Sons Inc , 2022 , Article)This article investigates whether sanctions have changed or influenced Iran's trade patterns, focusing on neighboring countries. The study concentrates first on the United Arab Emirates (UAE), considered Iran's main regional ... -
Iran, energy, and geopolitics in 2019: From "strategic patience" to "lose-lose"
( Gulf Studies center - College of Arts & Sciences - Qatar University , 2019 , Conference Paper)In the geopolitical rivalry between Iran and the United States, energy is in the spotlight. Since the US exit from the nuclear deal (the Joint Comprehensive Plan of Action, JCPOA) in May 2018 and the launch of the "maximum ... -
IRAN’S FOREIGN POLICY AND EVOLVING ROLE OF SOUTH-SOUTH COOPERATION
( RUDN University , 2018 , Article)The Islamic Republic of Iran is one of the most active players in the framework of South- South cooperation. During the Cold War period Iran treated South-South cooperation as an instrument for providing an independent ... -
Iron Sulfide Scale Inhibition in Carbonate Reservoirs
( American Chemical Society , 2022 , Article)Hydrocarbon production operations include water injection, varying stimulation approaches, and enhanced oil recovery techniques. These treatments often affect reservoir formation, production, and injection facilities. Such ... -
Is digital gold a hedge, safe haven, or diversifier? An analysis of cryptocurrencies, DeFi tokens, and NFTs
( Taylor & Francis , 2024 , Article)The crypto assets market is growing rapidly, exposing investors to new risks. As a result, finding viable candidates to hedge and diversify crypto portfolios is a critical and timely topic. In this paper, we explore the ... -
Is it forever? Genotoxicological impact of marine contaminants on Arabian/Persian Gulf bivalves: An experimental approach
( Elsevier , 2020 , Article)© 2020 Elsevier B.V. A novel approach of combining manipulative field experiments and cytogenetic endpoints was used to assess the genotoxic impact of chemical contamination on a local model bivalve species, the pearl ... -
Is it the time for Hepatitis E virus (HEV) Testing for Blood Donors in Qatar?
( Qatar Foundation , 2016 , Conference Paper)HEV is the etiologic agent of acute hepatitis E. Although HEV usually causes a self-limiting infection, the disease may develop into a chronic or fulminant form of Hepatitis. Sporadic HEV infections spread in several ... -
Is metal contamination responsible for increasing aneuploidy levels in the Manila clam Ruditapes philippinarum?
( Elsevier , 2017 , Article)The present study assessed the metal genotoxicity potential at chromosome-level in the bivalve Ruditapes philippinarum collected along different areas of the Tagus estuary. Higher levels of aneuploidy on gill cells were ...
