Browsing Qatar University Institutional Repository by Title
Now showing items 15761-15780 of 27410
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Overcoming pitfalls: Results from a mandatory peer review process for written examinations
( Elsevier Inc. , 2018 , Article)Problem description: Written assessments are essential components of higher education practices. However, faculty members encounter common pitfalls when designing questions intended to evaluate student-learning outcomes. ... -
Overcoming the production limitations of Photorhabdus temperata ssp. temperata strain K122 bioinsecticides in low-cost medium
( Springer-Verlag , 2011 , Article)For low-cost production of Photorhabdus temperata ssp. temperata strain K122 bioinsecticide, a cheap complex medium was optimized. Diluted seawater was used as the source of micronutrients, especially sodium chloride, ... -
Overcoming user selfishness in DSA systems through credit-based resource allocation
( IEEE , 2014 , Conference Paper)We propose a credit-based resource allocation technique for wireless systems with dynamic spectrum access (DSA) capability, such as multichannel wireless sensor networks. The proposed technique is robust against selfish ... -
Overconfident results with the bivariate random effects model for meta-analysis of diagnostic accuracy studies
( Wiley , 2022 , Other)Meta-analyses of diagnostic accuracy studies are a fundamental component of evidence-based medicine, and they are extensively used in medical imaging and the clinical laboratory. Techniques specifically developed to combine ... -
Overhead Allocation: a Goal Programming Approach
( Qatar University , 1981 , Article)Overhead is an incurred cost which is matched against cost objects via an intervening base of allocation. The problem of overhead allocation is to come up with a cost allocation procedure which is objective, applies, ... -
Overlapping Schwarz waveform relaxation method for the solution of the convection-diffusion equation
( John Wiley & Sons, Ltd. , 2008 , Article)In this article we study the convergence of the overlapping Schwarz wave form relaxation method for solving the convection-diffusion equation over multi-overlapped subdomains. It is shown that the method converges linearly ... -
Overlay network scheduling design
( Elsevier B.V. , 2016 , Article)Advance reservation services are being used by a range of applications to schedule connection bandwidth resources at future time intervals. To date many different algorithms have been developed to support various point-to-point ... -
Overproduction of Delta-Endotoxins by Sporeless Bacillusthuringiensis Mutants Obtained by Nitrous Acid Mutagenesis
( Springer-Verlag , 2011 , Article)Asporogenic and oligosporogenic Bacillus thuringiensis mutants having the ability to overproduce insecticidal crystal protein were generated by using nitrous acid (50 mg/ml), as chemical mutagenic agent. Insecticidal crystal ... -
Overproduction of poly(3-hydroxybutyrate) by the extremely halophilic archaeon Haloarcula sp. CEJ40-10 using starchy substrate
( Springer Science and Business Media Deutschland GmbH , 2023 , Article)Polyhydroxyalkanoates (PHAs), green alternatives to petroleum-derived plastics, possess desired features that make them preferred for various applications. Poly(3-hydroxybutyrate) (PHB), one of the most known representative ... -
Overproduction of the Bacillus thuringiensis Vip3Aa16 toxin and study of its insecticidal activity against the carob moth Ectomyelois ceratoniae
( Elsevier , 2015 , Article)The vip3Aa16 gene of Bacillus thuringiensis strain BUPM95 was cloned and expressed in Escherichia coli. Optimization of Vip3A16 protein expression was conducted using Plackett–Burman design and response surface methodology. ... -
An overview of brine management: Emerging desalination technologies, life cycle assessment, and metal recovery methodologies
( Elsevier , 2021 , Article Review)This study examines which management methods are the most recent and advanced in managing rejected brine generated from desalination plants. It also provides up-to-date information regarding the most adequate technologies ... -
Overview of CheckThat! 2020 Arabic: Automatic Identification and Verification of Claims in Social Media
( CEUR-WS , 2020 , Conference Paper)In this paper, we present an overview of the Arabic tasks of the third edition of the CheckThat! Lab at CLEF 2020. The lab featured three Arabic tasks over social media (and the Web): Task 1 on check-worthiness estimation, ... -
Overview of CheckThat! 2020 English: Automatic Identification and Verification of Claims in Social Media
( CEUR-WS , 2020 , Conference Paper)We present an overview of the third edition of the CheckThat! Lab at CLEF 2020. The lab featured five tasks in Arabic and English, and here we focus on the three English tasks. Task 1 challenged the participants to predict ... -
Overview of CheckThat! 2020: Automatic Identification and Verification of Claims in Social Media
( Springer Science and Business Media Deutschland GmbH , 2020 , Conference Paper)We present an overview of the third edition of the CheckThat! Lab at CLEF 2020. The lab featured five tasks in two different languages: English and Arabic. The first four tasks compose the full pipeline of claim verification ... -
An overview of diabetes mellitus in pregnant women with obesity
( Elsevier , 2024 , Article)Rates of obesity are increasing world-wide with an estimated 1billion people projected to be obese by 2030 if current trends remain unchanged. Obesity currently considered one of the most significant associated factors of ... -
An overview of heavy metals toxicity in plants, tolerance mechanism, and alleviation through lysine-chelation with micro-nutrients—A novel approach
( Springer , 2022 , Article Review)Abstract: Plants must adapt themselves to the prevailing conditions for their survival, resulting in the acquisition of a wide range of metal tolerance mechanisms. Although many metal elements are essential for the growth ... -
An Overview of Information and Communication Technology (ICT) in Jordan: Review the Literature of Usage, Benefits and Barriers
( Scientific Research Publishing, Inc. , 2013 , Article)This paper presented a background of the extent of the ICT, IT, and EC-B2B in Jordan. It was mentioned that the development of the ICT in Jordan brings benefits to the enterprises and their TPs. In this paper the EC-B2B ... -
An Overview of Nanoparticle Protein Corona Literature
( Wiley-Blackwell , 2023 , Article)The protein corona forms spontaneously on nanoparticle surfaces when nanomaterials are introduced into any biological system/fluid. Reliable characterization of the protein corona is, therefore, a vital step in the development ... -
An overview of open government data in developed countries: A comparison study between the state of Qatar & UK
(2019 , Article)Even though the diverse studies that have addressed OGD in many developed countries, there is still a lack in scientific literature about OGD initiatives in developing countries. The problem addressed in this paper is ... -
Overview of Polymers for Improved Oil Recovery Treatments
( Qatar University Press , 2020 , Poster)High water production in oil and gas wells reduces significantly the recovery factor. Mechanical as well as chemical methods are applied to shut off water productive zones. Crosslinked polymers showed high efficiency to ...