تصفح Mechanical & Industrial Engineering حسب العنوان
السجلات المعروضة 1140 -- 1159 من 1270
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Synthesis and Characterization of Polyaniline, Poly(3-fluoroaniline), and Poly(aniline-co-3-fluoroaniline) Derivatives Obtained by Chemical Oxidative Polymerization Methods
( Taylor and Francis Inc. , 2018 , Article)The syntheses of thermally stable, conducting polyaniline, poly(3-fluoroaniline), and poly(aniline-co-3-fluoroaniline) derivatives by chemical oxidative polymerization methods are described. By varying the mol% of ... -
Synthesis and properties of HA/ZnO/CNT nanocomposite
( Elsevier Ltd , 2018 , Article)The goal of this study was to examine the tribomechanical properties of hydroxyapatite (HA)/ZnO and HA/ZnO/CNT composite ceramics (carbon nanotubes; with different ratios 0.5 wt%, 1.0 wt%, and 1.5 wt%). The composites were ... -
Synthesis and properties of polyelectrolyte multilayered microcapsules reinforced smart coatings
( Springer New York LLC , 2019 , Article)The present research work focuses on the synthesis, characterization and properties of novel polyelectrolyte multilayered microcapsules used as smart additives in organic coatings for corrosion protection of steel parts. ... -
Synthesis of Highly Efficient Bifunctional Ag/Co3O4 Catalyst for Oxygen Reduction and Oxygen Evolution Reactions in Alkaline Medium
( American Chemical Society , 2018 , Article)Ag/Co3O4 catalysts using three different modes of solution combustion synthesis were developed and characterized by X-ray diffraction, X-ray photoelectron spectroscopy, scanning electron microscopy, and transmission electron ... -
Synthesis, characterization and physicochemical studies of copolymers of aniline and 3-nitroaniline
( Springer Verlag , 2019 , Article)Polyaniline (PA), the versatile conducting polymer, owing to its tunable optoelectronic properties, facile preparation methodology and reversible redox behavior, has elicited much interest among current researchers, ... -
Synthesis, characterization, and properties of nickel-cobalt layered double hydroxide nanostructures
( Royal Society of Chemistry , 2017 , Article)Nickel-cobalt layered double hydroxides (Ni-Co-LDH) have recently been examined for their potential as battery-type hybrid supercapacitors made from metal hydroxide electrode materials, due to their unique spatial structure, ... -
Synthesis, green emission and photosensitivity of Al-doped ZnO film
( Springer Verlag , 2018 , Article)© 2018, Springer-Verlag GmbH Germany, part of Springer Nature. Abstract: We report the synthesis and luminescence properties of the pure and Al-doped photosensitive ZnO films by microwave successive ionic layer adsorption ... -
System approach for building energy conservation
( Elsevier , 2014 , Conference Paper)Energy use in residential and commercial buildings and towers represents more than 30% of energy consumption. The increase in number of buildings and towers in most of the major cities worldwide led to several initiatives ... -
System requirements and optimization of multi-chillers district cooling plants
( Elsevier , 2022 , Article)District cooling systems (DCS) are particularly important in the Middle East due to higher overall temperatures on most days of the year. The design, operation, and control of a new DCS should consider the abundant ... -
A systematic review on sustainability assessment of electric vehicles: Knowledge gaps and future perspectives
( Elsevier , 2022 , Article)Electric mobility is emerging all around the world to minimize environmental impacts, reduce dependency on petroleum, and diversify energy sources for transportation. Any emerging technology comes with uncertainties in ... -
Systematic thermodynamic approach for designing mixed refrigerants used in hydrogen precooling process
( Elsevier , 2022 , Article)Designing an optimal mixed-refrigerant (MR) composition for any cryogenic refrigeration process plays a key role in the process overall performance. However, the existing approaches of developing mixed-refrigerants for ... -
Targeting SARS-CoV2 Spike Protein Receptor Binding Domain by Therapeutic Antibodies
( Elsevier , 2020 , Article)The Authors As the number of people infected with the newly identified 2019 novel coronavirus (SARS-CoV2) is continuously increasing every day, development of potential therapeutic platforms is vital. Based on the comparatively ... -
TDDFT studies on effects of the size on optoelectronic properties of 2D germanene sheets
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)We report on the TDDFT calculations of the effect of the size on the optoelectronic properties of germanene sheets. Five structures of germanene were considered. All structures were optimized and their electronic and optical ... -
Techno-economic assessment of low-carbon hydrogen exports from the Middle East to the Asia-Pacific, and Europe
( Taylor & Francis , 2023 , Article)Hydrogen has the potential to play a major role in the global energy mix in the future and to achieve carbon-neutral targets by 2050. However, there is a lack of studies that investigate the economic feasibility of ... -
Tensile, hardness, and torsion behavior of welded AA
( Trans Tech Publications Ltd , 2014 , Conference Paper)Tensile, Torsion, and Hardness behavior of welded and un-welded Aluminium Alloy 6061 T6 were investigated. Tests were conducted to evaluate the impact of tungsten Gas Arc welding (TIG) on some of the mechanical properties ... -
Terminal settling velocity of a single sphere in drilling fluid
( Taylor and Francis Inc. , 2019 , Article)The accurate prediction of terminal settling velocity of solid spheres in non-Newtonian liquids is important for various fluid-particle systems such as slurry pipelines, separation processes, hole-cleaning in drilling ... -
The attributes of future 2030 engineers in Qatar for innovation and knowledge based economy
( American Society for Engineering Education , 2016 , Conference Paper)Recent studies emphasize the needs of a wider set of skills engineers require than ever thought. These studies continue to emphasize that technical content knowledge and competencies are essential for any engineer; however, ... -
The design of green supply chains under carbon policies: A literature review of quantitative models
( MDPI AG , 2019 , Article Review)Carbon footprinting of products and services is getting increasing attention due to the growing emphasis on carbon related policies in many countries. As a result, many enterprises are focusing on the design of green supply ... -
The effect of aluminum oxide on red blood cell integrity and hemoglobin structure at nanoscale
( Elsevier B.V. , 2019 , Article)Herein, we explored the interaction of Al2O3 NPs with RBCs and Hb to determine the effect of Al2O3 NPs on hemolytic activity and Hb denaturation. The percentage of hemolysis of extracts and direct contact assays triggered ... -
The effect of forced convection and PCM on helmets' thermal performance in hot and arid environments
( Elsevier Ltd , 2017 , Article)Safety helmets are essential Personal Protecting Equipment (PPE) in all industrial and construction sites. When temperature and humidity levels are high, users' thermal comfort is adversely affected. This paper examines ...
