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السجلات المعروضة 15493 -- 15512 من 26734
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One‐pot microwave‐assisted synthesis of water‐soluble pyran‐2,4,5‐triol glucose amine schiff base derivative: Xrd/hsa interactions, crystal structure, spectral, thermal and a DFT/TD‐DFT
( MDPI AG , 2021 , Article)The(3R,4R,6R)‐3‐(((E)‐2‐hydroxybenzylidene)amino)‐6‐(hydroxymethyl)tetrahydro‐2H-pyran‐2,4,5‐triol water‐soluble Glucose amine Schiff base (GASB‐1) product was made available by condensation of 2‐hydroxybenzaldehyde with ... -
Online adaptation of rotor resistance based on sliding mode observer kwith backstepping control of a five-phase induction motor drives
( Institute of Advanced Engineering and Science , 2016 , Article)Multiphase electric drives have been developed due to numerous advantages offered by those machines when it compared with the conventional three-phase machines. Multiphase motor drives are considered for applications, where ... -
Online Assessment Platforms: What is on Offer?
( John Wiley & Sons, Ltd , 2022 , Article)Web-based digital assessment platforms offer several benefits for educational providers. The aims of this study were to evaluate digital assessment platforms suitable for design, delivery and quality assurance of assessments ... -
Online assignment and placement of cloud task requests with heterogeneous requirements
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)Managing cloud resources in a way that reduces the consumed energy while also meeting clients demands is a challenging task. In this paper, we propose an energy-aware resource allocation framework that: i) places the ... -
Online banking: A comparative study of Chinese and Saudi customers perceptions of service quality
( ARRAY Development (Canada) Inc. , 2016 , Article)Level of service quality (SQ) provided by an organization creates and develops company competitive advantage for it in the market place. The increasing technological service facilitators (e-services) create a new platform ... -
Online cost optimization algorithms for tiered cloud storage services
( Elsevier , 2020 , Article)The new generation multi-tiered cloud storage services offer various tiers, such as hot and cool tiers, which are characterized by differentiated Quality of Service (QoS) (i.e., access latency, availability and throughput) ... -
The online marketplace for business education: An exploratory study
( Elsevier , 2021 , Article)The Internet has had a vast and pervasive impact on the education industry, one of which is the creation of an online educational marketplace. This study investigates the online marketplace for business courses by viewing ... -
Online monitoring of climatic parameters: a statistical study about environmental changes in Qatar
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Twentieth century has witnessed unprecedented changes in the climate whose profound effects are also observed on ecosystem and human life. The source of these changes are presumed to be increasing concentration of greenhouse ... -
Online monitoring of the solvent and absorbed acid gas concentration in a CO2 capture process using monoethanolamine
( American Chemical Society , 2014 , Article)A method has been developed for online liquid analysis of the amine and absorbed CO2 concentrations in a postcombustion capture process using monoethanolamine (MEA) as a solvent. Online monitoring of the dynamic behavior ... -
Online multi-resource scheduling for minimum task completion time in cloud servers
( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference Paper)We design a simple and efficient online scheme for scheduling cloud tasks requesting multiple resources, such as CPU and memory. The proposed scheme reduces the queuing delay of the cloud tasks by accounting for their ... -
Online parallelized service function chain orchestration in data center networks
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)In recent years, much attention has been focused on deploying service function chains (SFCs), each of which is composed of a set of virtual network functions (VNFs) in a specified order. This is a promising approach for ... -
Online peer-to-peer lending: A review of the literature
( Elsevier , 2021 , Article)This study reviews the literature of online peer-to-peer (P2P) lending from 2008 until 2020 as an emergent but fast spreading phenomenon in the context of digital finance. Previous literature is geographically skewed towards ... -
Online Pharmacies Selling Prescription Drugs: Systematic Review.
( MDPI , 2022 , Article)The patronage of online pharmacies is rapidly growing, driven by the convenience and cheaper costs of purchasing prescription drugs electronically, especially under the lockdown situation. However, there are issues regarding ... -
Online risk assessment and prediction models for Autonomic Cloud Intrusion srevention systems
( IEEE , 2014 , Conference Paper)The extensive use of virtualization in implementing cloud infrastructure brings unrivaled security concerns for cloud tenants or customers and introduces an additional layer that itself must be completely configured and ... -
Online Teaching Strategies of Language skills during Pandemic: A Case of Self-Efficacy of Teaching Faculty in Qatar Universities
( Hacettepe University , 2022 , Article)COVID-19 caused teaching to shifted online which emanated challenges for both teachers and students. To overcome such challenges, self-efficacy plays a vital role. The major objective of this study was to investigate the ... -
Onset of Convection in a Liquid Film Flowing
( Qatar University , 1990 , Article)The thermal instability of a vicsious liquid film flowing down an inclined plane heated from below is studied analytically. The effects of Biot number at the free surface, the inclination, the Prandtl number and the Reynolds ... -
The Onset Of Resonance In Two-Immiscible Fluids Inside A Spinning And Coning Cylinder
( Qatar University , 1993 , Article)Resonance of the motion of two fluids inside a cylinder that spins about its axis and rotates (cones) about an axis that passes through its center of mass is known to occur for low-viscosity fluids (high Reynolds number ... -
ONSRA: An Optimal Network Selection and Resource Allocation Framework in multi-RAT Systems
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference Paper)The rapid production of mobile and wearable devices along with the wireless applications boom is continuing to evolve everyday. This motivates network operators to integrate and exploit wireless spectrum across multiple ... -
Ontologies for better project planning
( Editora Mundos Sociais , 2016 , Article)Providing accurate estimation during project planning is crucial to meet the time lines of the project, however, with all the emphasis we put when estimating the activities in a project, we still have difficulties in ... -
Ontology Based Education/Industry Collaboration Modeling: Opportunities and Challenges
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)One of the main suppliers of the workforce for the engineering industry and the economy in general is the higher education sector. The higher education sector is consistently being challenged by the fast evolving industry ...