Browsing by Title
Now showing items 666-685 of 53172
-
A Comparative Approach to Screen the Capability of Raman and Infrared (Mid- and Near-) Spectroscopy for Quantification of Low-Active Pharmaceutical Ingredient Content Solid Dosage Forms: The Case of Alprazolam
( SAGE Publications Inc. , 2020 , Article)Content uniformity is a critical attribute for potent and low-dosage formulations of active pharmaceutical ingredient (API) that, in addition to the formulation parameters, plays pivotal role during pharmaceutical development ... -
A comparative baseline of coral disease in three regions along the Saudi Arabian coast of the central Red Sea
( Public Library of Science , 2021 , Article)Coral disease is a growing problem for coral reefs globally and diseases have been linked to thermal stress, excess nutrients, overfishing and other human impacts. The Red Sea is a unique environment for corals with a ... -
A comparative physicochemical property assessment and techno-economic analysis of biolubricants produced using chemical modification and additive-based routes
( Elsevier , 2022 , Article)Several edible and non-edible oil sources are currently being developed as renewable basestocks for biolubricant production. However, these feedstocks possess undesirable physicochemical properties limiting their lubricant ... -
A comparative review of natural and synthetic biopolymer composite scaffolds
( MDPI AG , 2021 , Article Review)Tissue engineering (TE) and regenerative medicine integrate information and technology from various fields to restore/replace tissues and damaged organs for medical treatments. To achieve this, scaffolds act as delivery ... -
A comparative review of natural and synthetic biopolymer composite scaffolds
( MDPI AG , 2021 , Article Review)Tissue engineering (TE) and regenerative medicine integrate information and technology from various fields to restore/replace tissues and damaged organs for medical treatments. To achieve this, scaffolds act as delivery ... -
A Comparative Secrecy Study of Flying and Ground Eavesdropping in UAV Based Communication Systems
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)In this paper, we study the strictly positive secrecy outage probability (SOP) and the ergodic secrecy capacity of a wiretap unmanned aerial vehicle (UAV) system where a UAV transmitter (Alice) is trying to send a message ... -
A Comparative Study of Chemically and Biologically Synthesized MgO Nanomaterial for Liquefied Petroleum Gas Detection
( Springer New York LLC , 2018 , Article)The exceptional chemical and physical properties of nanostructured materials are extremely suitable for designing new and enhanced sensing devices, particularly gas sensors and biosensors. The present work describes the ... -
A comparative study of chemically reacting 2D flow of Casson and Maxwell fluids
( Elsevier B.V. , 2018 , Article)Theoretical investigation is performed to discuss the heat and mass transfer behavior of chemically reacting magnetohydrodynamic Casson and Maxwell fluids past a stretching sheet with Brownian moment and thermophoresis ... -
A comparative study of gender differences in thermal comfort and environmental satisfaction in air-conditioned offices in Qatar, India, and Japan
( Elsevier , 2021 , Article)Gender differences in the assessment of thermal comfort and indoor environmental quality (IEQ) in the Gulf Cooperation Countries (GCC) have not previously been investigated, despite the prevalence of the overcooling of ... -
A Comparative Study of Machine Learning Approaches for Handwriter Identification
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)During the past few years, writer identification has attracted significant interest due to its real-life applications including document analysis, forensics etc. Machine learning algorithms have played an important role ... -
A comparative study of novel activated AMP using 1,5-diamino-2-methylpentane vs MEA solution for CO2 capture from gas-fired power plant
( Elsevier Ltd , 2018 , Article)Bench-scale pilot plant study of AMP and 1,5-diamino-2-methylpentane (DA2MP) blend for CO2 capture from gas-fired power plant is investigated. The concentration of the amine blend is 2 kmol/m3 AMP-1.5 kmol/m3 DA2MP while ... -
A comparative study of Seagrasses Species in Regional Seas and QMZ
( Qatar University Press , 2021 , Poster)Seagrasses are flowering monocot green plants that have adapted to marine life, and remain completely immersed in seawater and are primary producers of food for numerous marine animals. Seagrasses are of worldwide distribution ... -
A comparative study of structural and mechanical properties of Al-Cu composites prepared by vacuum and microwave sintering techniques
( Elsevier Editora Ltda , 2018 , Article)In this paper, the aluminum metal matrix composite reinforced with copper particulates (3, 6 and 9 vol.%) were fabricated by high energy ball milling, followed by vacuum sintering (VS) and microwave sintering techniques ... -
A comparative study of the growth of Tetraselmis sp. in large scale fixed depth and decreasing depth raceway ponds
( Elsevier Ltd , 2016 , Article)In this study, an alternative approach was proposed where excess seawater would be added only during inoculation (DD) rather than daily addition (FD). Growth and metabolite contents of Tetraselmis sp. weren't affected for ... -
A Comparative Study of the Role of the Nation-State Building Process in the Middle East Crises; a Case Study of the Crisis in Bahrain, Iraq and Yemen
( Gulf Studies center - College of Arts & Sciences - Qatar University , 2021 , Conference Paper)Political stability has always been the most important concern of the states. Political stability is equal with lack of serious threats and challenges that can put country in danger. Due to multiple reasons like; the lack ... -
A comparative study on long term stability of self-healing epoxy coating with different inorganic nanotubes as healing agent reservoirs
( BME-PT and GTE , 2017 , Article)Self-healing epoxy coatings were prepared with different nanotubes as reservoirs for epoxy monomer (healing agent). The nanotubes selected for the current study were TiO2 nanotubes with two different tube diameter (TNT1 ... -
A Comparative Study on Pandemic Response and Their Impact on Economic Growth: Evidence From COVID-19 Outbreak In Scandanavia
( IEOM Society , 2021 , Conference Paper)Coronavirus strikes again with the delta variant and puts the world in a phase 3 pandemic state. Countries all over the world have adopted different response mechanisms to contain the virus's spread. Health officials call ... -
A Comparative Study on Punching Shear Strength Statistics for Ferrocement Slabs
( Qatar University Press , 2023 , Conference Paper)Ferrocement is a modern material that is considered composite as it is made of cement mortar and tightly packed layers of wire mesh. Recent ferrocement applications include prefabricated rooftop elements, load-bearing ... -
A Comparative Study on the Efficiency of Reliability Methods for the Probabilistic Analysis of Local Scour at a Bridge Pier in Clay-Sand-Mixed Sediments
( Multidisciplinary Digital Publishing Institute (MDPI) , 2021 , Article)In this work, the performance of reliability methods for the probabilistic analysis of local scour at a bridge pier is investigated. The reliability of bridge pier scour is one of the important issues for the risk assessment ... -
A comparative study on the operational performance of four-leg intersections by control type
( Elsevier Ltd , 2018 , Article)The selection of proper control types at intersections at the planning stage is an important concern considering the difficulty in comparing the performance of different control types. Therefore, several manuals proposed ...