Browsing Research Units by Title
Now showing items 2334-2353 of 4631
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Investigation of the mechanical behavior of electroless Ni-P-Ti composite coatings
( American Society of Mechanical Engineers (ASME) , 2020 , Article)To improve the toughness of Ni-P coatings, NiTi superelastic particles were introduced into the Ni-P matrix through the electroless co-depositing of Ni-P and Ti particles and annealing Ni-P-Ti coatings. The mechanical ... -
Investigation of the morphology and properties of the polypropylene/low-density polyethylene/wood powder and the maleic anhydride grafted polypropylene/low-density polyethylene/wood powder polymer blend composites
( SAGE Publications Ltd , 2017 , Article)The properties of polypropylene/low-density polyethylene and maleic anhydride grafted polypropylene/low-density polyethylene blends, and their wood powder composites are compared in this study. The blends contained equal ... -
Investigation of the physico-mechanical properties of electrospun PVDF/cellulose nanofibers.
( Wiley , 2016 , Article)The electro-activity and mechanical properties of PVDF depends mainly on the b-phase content and degree of crystallinity. In this study, cellulose fibers were used to improve these characteristics. This could be achieved ... -
Investigation of the rheological properties of nanosilica-reinforced polyacrylamide/polyethyleneimine gels for wellbore strengthening at high reservoir temperatures
( American Chemical Society , 2019 , Article)Wellbore strengthening has been introduced recently to resolve lost circulation problems by improving the fracture gradient and hence extending the mud window. Polymeric cross-linkable solutions showed outstanding strength ... -
Investigation of the temperature-relatedwear performance of hard nanostructured coatings deposited on a s600 high speed steel
( MDPI AG , 2019 , Article)Thin hard coatings are widely known as key elements in many industrial fields, from equipment for metal machining to dental implants and orthopedic prosthesis. When it comes to machining and cutting tools, thin hard coatings ... -
Investigation of thin-film composite hollow fiber forward osmosis membrane for osmotic concentration: A pilot-scale study
( Springer , 2022 , Article)The current study applied the forward osmosis (FO) based osmotic concentration (OC) process at the pilot-scale for concentrating synthetic feed solution (FS). The process water (PW) salinity represents effluents from the ... -
The investigation of treatment design parameters on carbon integration networks
( Springer Science and Business Media Deutschland GmbH , 2023 , Article)Carbon Integration methods help identify the appropriate allocation of captured carbon dioxide (CO2) streams into CO2-using sinks, and are especially useful when a number of CO2 sink options are present simultaneously. The ... -
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 ...