Browsing Academic by Title
Now showing items 4411-4430 of 27573
-
Combined direct oxy-combustion and concentrated solar supercritical carbon dioxide power system—Thermo, exergoeconomic, and quadruple optimization analyses
( Hindawi , 2022 , Article)For the global future energy systems, concentrated solar power (CSP) and direct CO2 capture systems are of the most important key technologies, however, each of these systems has shortcomings. This study addresses the solar ... -
Combined Effect of Drying Temperature and Varied Gelatin Concentration on Physicochemical and Antioxidant Properties of Ginger Oil Incorporated Chitosan Based Edible Films
( Multidisciplinary Digital Publishing Institute (MDPI) , 2023 , Article)In the present work, ginger essential oil (GEO) loaded chitosan (CS) based films incorporated with varying concentrations of gelatin (GE) were fabricated and dried at different conditions (25 °C and 45 °C). The physio-chemical, ... -
Combined effect of global warming and buildings envelope on the performance of ground source heat pump systems
( Springer Link , 2014 , Book chapter)Heating and cooling systems as well as domestic hot water account for over 50 % of the world’s energy consumption. Due to their high thermal performance, ground source heat pump systems (GSHP) have been increasingly used ... -
Combined effects of gamma radiation and Some physical factors on the rate of development of culex pipiens complex(L)
( Qatar University , 1993 , Article)The present work deals with the role of some physical factors, applied separately or combined with gamma radiation on the Fj rate of development of Culex pipiens L. when treated in the pupal stage. The results showed no ... -
Combined effects of oxygen, partial vacuum, temperature, humidity and gamma radiation on mating competitiveness of culex pipiens complex l. Males
( Qatar University , 1993 , Article)When the pupal stage of Culex pipiens complex L. male mosquito was exposed to gamma radiation (60 Gy), oxygen, partial vacuum (0.1 torr), low temperature (10°C), for one or two hours, or low humidity (31% R. H.) for 3 ... -
Combined effects of thymol, carvacrol and packaging on the shelf-life of marinated chicken
( Elsevier , 2019 , Article)The demand for marinated chicken worldwide, is continuously growing. To date, limited data on addition of active components of Essential Oils (EOs) to marinades for chicken preservation are available. The antimicrobial effect ... -
Combined effects of treated domestic wastewater, fly ash, and calcium nitrite toward concrete sustainability
( Elsevier , 2021 , Article)The drastic increase in freshwater and ordinary Portland cement (OPC) consumption poses severe environmental and economic challenges worldwide. This study; therefore, explores the mechanical and durability properties of ... -
Combined experimental and computational investigations of the fluorosolvatochromism of chromeno[4,3-b]pyridine derivatives: Effect of the methoxy substitution
( Elsevier , 2023 , Article)Extensive research has been conducted on the spectral properties of chromeno[4,3-b]pyridine derivatives, owing to their potential applications in sensing, optoelectronic devices, and drug discovery. This study presents a ... -
Combined Experimental and Theoretical Study on High Pressure Methane Solubility in Natural Deep Eutectic Solvents
( American Chemical Society , 2019 , Article)In this paper, we report high pressure experimental measurements and detailed density functional theory (DFT) as well as molecular dynamic (MD) simulations of methane (CH4) solubility in natural deep eutectic solvents ... -
Combined Heat and Power System based on Solid Oxide Fuel Cells for hospitals in hot and humid environment.
(2021 , Master Thesis)One of the most influential trends in today's world is the massive increase in the consumption of the existing natural resources to generate power. Finding optimized and sustainable solutions to the depletion of current ... -
Combined heat and power system based on Solid Oxide Fuel Cells for low energy commercial buildings in Qatar
( Elsevier , 2021 , Article)Commercial buildings in Qatar account for 19% of the total energy consumption in the country. To reduce this significant amount of energy, a Solid Oxide Fuel Cell Combined Heat and Power (SOFC CHP) system with natural gas ... -
Combined influence of temperature and flow rate of feeds on the performance of forward osmosis
( Elsevier , 2016 , Article)The effect of the membrane orientation, feeds flow rate, feeds temperature, and combining effect of both temperature and flow rate on the membrane flux was investigated in order to enhance the performance of forward osmosis ... -
A Combined Method for Diabetes Mellitus Diagnosis Using Deep Learning, Singular Value Decomposition, and Self-Organizing Map Approaches
( Multidisciplinary Digital Publishing Institute (MDPI) , 2023 , Article)Diabetes in humans is a rapidly expanding chronic disease and a major crisis in modern societies. The classification of diabetics is a challenging and important procedure that allows the interpretation of diabetic data and ... -
A combined method of optimized learning vector quantization and neuro-fuzzy techniques for predicting unified Parkinson's disease rating scale using vocal features
( Elsevier B.V. , 2024 , Article)Parkinson's Disease (PD) is a common disorder of the central nervous system. The Unified Parkinson's Disease Rating Scale or UPDRS is commonly used to track PD symptom progression because it displays the presence and ... -
Combined Noncoding RNA-mRNA Regulomics Signature in Reprogramming and Pluripotency in iPSCs
( Multidisciplinary Digital Publishing Institute (MDPI) , 2022 , Article)Somatic cells are reprogrammed with reprogramming factors to generate induced pluripotent stem cells (iPSCs), offering a promising future for disease modeling and treatment by overcoming the limitations of embryonic stem ... -
A combined strategies intervention on the World Health Organization prescribing indicators: A quasi-randomised trial.
( AOSIS Publishing , 2024 , Article)Irrational medicine use is a global problem that may potentiate antimicrobial resistance. This study aims to assess prescribing practices and the effect of a prescription audit and feedback coupled with small-group education ... -
Combined theoretical and experimental study of the transmission of tilted ion beams through macroscopic conical glass capillaries
( IOP Publishing , 2015 , Conference Paper)The transmission as a function of the tilt angle of a 3 keV Ar+ ion beam through a conical macroscopic glass capillary is studied theoretically and experimentally. It was found that the charge patches which are responsible ... -
A combined thermo-mechanical refrigeration system with isobaric expander-compressor unit powered by low grade heat – Design and analysis
( Elsevier , 2020 , Article)Refrigeration and air conditioning systems consume about 17% of the world-wide electricity and their conventional refrigerants cause ozone depletion and global warming. In this study a novel thermo-mechanical refrigeration ... -
Combined use of lifecycle management and IoT in smart cities
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)IoT-enabled smart city service systems are well recognized to address issues of urbanization in the city environment. In most cases, those systems are vertically locked; and from lifecycle perspective, independently designed, ... -
Combining bioadsorption and photoelectrochemical oxidation for the treatment of soil-washing effluents polluted with herbicide 2,4-D
( John Wiley and Sons Ltd , 2017 , Article)BACKGROUND: The aim of this work is to evaluate the effectiveness of complete treatment of soil spiked with 2,4-D, consisting of soil washing, followed by bioadsorption with activated sludge and electrochemical and ...