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Now showing items 4441-4450 of 18816
Many meta-analyses of rare events in the Cochrane Database of Systematic Reviews were underpowered
(
Elsevier
, 2021 , Article)
Background and ObjectiveMeta-analysis is a statistical method with the ability to increase the power for statistical inference, while it may still face the problem of being underpowered. In this study, we investigated the ...
A comparison of neighborhood-scale interventions to alleviate urban heat in Doha, Qatar
(
MDPI AG
, 2019 , Article)
Recent evidence suggests that many densely populated areas of the world will be uninhabitable in the coming century due to the depletion of resources, climate change, and increasing urbanization. This poses serious questions ...
Data on the impact of objects with different shapes, masses, and impact velocities on a dummy head
(
Elsevier Inc.
, 2019 , Article)
In this article, a data generated from impacts of objects with different shapes, masses, and impact velocities on a developed dummy head. The mass considered was in the range of 0.3-0.5 kg while the shapes considered were ...
أَثَرُ تَجَرُّدِ الخَطِّ في نشأةِ القراءاتِ القرآنيةِ عندَ المستشرقين - عرض ومناقشة
(
Qatar University Press
, 2020 , Article)
يناقش هذا البحث ما ذهب إليه عدد من المستشرقين من أن أصل القراءات القرآنية يرجع إلى تجرد الخط الذي كُتِبَتْ به المصاحف الأولى من نقاط الإعجام وعلامات الحركات. وجاء في أربعة مباحث: ناقشت في الأول ظاهرة تجرد خط المصاحف الأولى ...
Integrated planning of spare parts and service engineers with partial backlogging
(
Springer Verlag
, 2017 , Article)
In this paper, we consider the integrated planning of resources in a service maintenance logistics system in which spare parts supply and service engineers deployment are considered simultaneously. The objective is to ...
Les Mesures légales prises à l’occasion du Covid-19 entre justifications et enjeux
(
دار نشر جامعة قطر Qatar University Press
, 2020 , Article)
Les problèmes juridiques rattachés au Coronavirus ne constituent pas des conséquences directes à la pandémie, mais plutôt des effets engendrés suite aux mesures prises par les autorités publiques pour faire face au COVID-19. ...
Ecotoxicological Assessment of Thermally- and Hydrogen-Reduced Graphene Oxide/TiO₂ Photocatalytic Nanocomposites Using the Zebrafish Embryo Model.
(
MDPI
, 2019 , Article)
Advanced oxidation processes (AOPs) have recently attracted great interest in water pollution management. Using the zebrafish embryo model, we investigated the environmental impacts of two thermally (RGOTi)- and hydrogen ...
Towards Better Surveillance for Coral Ecosystems in Qatar: Stakeholder Engagement in EBM Approach.
(2020 , Article)
More recently, Qatar has undergone a remarkable social and economic transformation in less than a generation. Although Qataris have a historic connection to the sea, dating back to the pearl diving days in the 19th century, ...
Effect of U-turns and heavy vehicles on the saturation flow rates of left-turn lanes at signalized intersections
(
MDPI
, 2020 , Article)
© 2020 by the authors. The Saturation Flow Rate (SFR) is a primary measure that can be used when estimating intersection capacity. Further, the efficiency of signal control parameters also depends on the accuracy of assumed ...
An Experimental and Kinetic Study of the Sorption of Carbon Dioxide onto Amine-Treated Oil Fly Ash
(
Hindawi Publishing Corporation
, 2016 , Article)
A new CO2 adsorbent is produced from waste oil fly ash (OFA). Ammonium hydroxide solution is used to convert OFA to activated carbon. Then, the product is used for the adsorption of CO2 from a nitrogen/carbon dioxide ...