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السجلات المعروضة 5132 -- 5151 من 49803
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Cobalt oxide nanopowder synthesis using cellulose assisted combustion technique
( Elsevier Ltd , 2016 , Article)Cobalt oxides nanopowders were prepared using novel cellulose assisted combustion synthesis and solution combustion synthesis techniques. The synthesis conditions were optimized to produce high surface area cobalt oxide ... -
Cobalt phthalocyanine as a novel molecular recognition reagent for batch and flow injection potentiometric and spectrophotometric determination of anionic surfactants
( Elsevier B. V. , 2008 , Article)Cobalt(II) phthalocyanine [Co(II)Pc] is used as both an ionophore and chromogen for batch and flow injection potentiometric and spectrophotometric determination of anionic surfactants (SDS), respectively. The potentiometric ... -
Coccoliths From Some Paleogene Rocks In The Gulf Of Suez Area, Egypt
( Qatar University , 1992 , Article)This paper describes and illustrates the calcareous nannoplankton (coccoliths) recorded in 240 samples collected from the Paleogene rocks in Wadi Belayim/Wadi Nukhul surface sections. Gulf of Suez area. Egypt. Thirty species ... -
A Code of Conduct for Tourists Visiting Qatar for the World Cup 2022
( Qatar University Press , 2020 , Article)This Code of Conduct for Tourist who are visiting Qatar for the World Cup 2022 covers the fundamental rights and duties that must be observed and implemented such as the right to movement, travel and safety and obtaining ... -
CODE: Computation Offloading in D2D-Edge System for Video Streaming
( IEEE , 2022 , Article)Video traffic over the Internet is increasing rapidly, reaching up to 82% of the total Internet traffic by 2022. This enormous growth of video traffic which also include immersive video content (augmented reality ... -
Coded Caching for Time-Varying Files Popularities and Asynchronous Delivery
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)Data communication has seen exponential growth recently, and it currently dominates wireless communication. As a result, proactive caching was developed to minimize peak traffic rates by storing content, in advance, at ... -
Codifying the corporate opportunity doctrine: The (UK) Companies Act 2006
( Bloomsbury Qatar Foundation Journals , 2012 , Article)Part 10 of the UK Companies Act 2006 codifies the fiduciary and common law duties of directors as a means of addressing the key policy considerations which underpinned the company law reform project launched by the Labour ... -
Coexistence of IEEE 802154g and WLAN
( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference Paper)The aging electric grid was established hundred years ago when electricity needs were simple. The power plants were centralized and most homes had only small energy demands such as few lamps and radios. The grid role was ... -
Coffee and its waste repel gravid Aedes albopictus females and inhibit the development of their embryos
( BioMed Central , 2015 , Article)Background Dengue is a prevalent arboviral disease and the development of insecticide resistance among its vectors impedes endeavors to control it. Coffee is drunk by millions of people daily worldwide, which is associated ... -
Cogging torque reduction of axial magnetic gearbox using pole pairing technique
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)Magnetic gearbox (MGB) becomes an attractive research topic in mechanical transmission as it offers significant advantages over mechanical gears such as contactless power transfer, high gear ratios, inherent overload ... -
Cognition-based adaptive programming tutoring system
( IEEE , 2016 , Conference Paper)The most important potential of E-learning system is the ability to adapt based on learner's status in order to support personalized learning. However, this requires using specific learner's parameters as factors to control ... -
A cognitive analytics management framework to select input and output variables for data envelopment analysis modeling of performance efficiency of banks using random forest and entropy of information
( Springer Nature , 2021 , Article)The efficiency of banks has a critical role in development of sound financial systems of countries. Data Envelopment Analysis (DEA) has witnessed an increase in popularity for modeling the performance efficiency of banks. ... -
Cognitive Balance for Fog Computing Resource in Internet of Things: An Edge Learning Approach
( Institute of Electrical and Electronics Engineers Inc. , 2022 , Article)Currently, the highly dynamic fog computing resource requirements introduced by the diverse services of the Internet of Things (IoT) result in an imbalance between computing resource providers and consumers. However, current ... -
Cognitive computing based ethical principles for improving organisational reputation: A B2B digital marketing perspective
( Elsevier , 2021 , Article)Cognitive computing is ushering in the fourth industrial revolution through its promises of improved accuracy, scalability and personalisation. Therefore, business-to-business (B2B) organisations are wavering in the decision ... -
Cognitive load theory: Implications for assessment in pharmacy education
( Elsevier , 2021 , Other)The concept of mental workload is well studied from a learner's perspective but has yet to be better understood from the perspective of an assessor. Mental workload is largely associated with cognitive load theory, which ... -
Cognitive Radio Networks with Probabilistic Relaying: Stable Throughput and Delay Tradeoffs
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Article)This paper studies fundamental throughput and delay tradeoffs in cognitive radio systems with cooperative secondary users. We focus on randomized cooperative policies, whereby the secondary user (SU) serves either its own ... -
Cognitive relay-sharing by using hierarchical modulation under interference constraints
( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference Paper)In this paper, we investigate relay-sharing in cognitive radio (CR) networks to improve the secondary user's (SU's) performance in the presence of interference. It is assumed that the relay is shared simultaneously between ... -
Cognitive relaying in wireless sensor networks: Performance analysis and optimization
( IEEE , 2010 , Conference Paper)The anticipated increase in the density of the deployed wireless sensor networks calls for spectrum sharing through unlicensed access to licensed spectrum. The key technology for spectrum sharing in this scenario is cognitive ... -
Cognitive status and sleep quality can explain the fear of falling and fall history in people with Parkinson's disease.
( Lippincott, Williams & Wilkins , 2023 , Article)Fear of falling (FOF) is highly prevalent in people with Parkinson's disease (PwPD) and contributes to high fall risk. Studies reporting on the relationship between falls, FOF, and non-motor factors such as cognitive ...
