تصفح University Publications حسب العنوان
السجلات المعروضة 2138 -- 2157 من 4358
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Ultrasonic C-Scan Inspection Of Composite Materials
( Qatar University , 1992 , Article)Ultrasonic technique using an automated C-scan has been established as the primary inspection method for composite materials. In this paper, the principles of ultrasonic inspection, the type of defects that may be generated ... -
Ultrasonic Characterization, Tensile Testing And Thermal Properties Of Y Irradiated Low Density Polyethylene, Fb 5005
( Qatar University , 1997 , Article)Ultrasonic pulse-echo technique, tensile testing and thermal gravimetric analysis have been utilised to characterise and monitor the effect of y irradiation on the physicomechanical properties of low density polyethylene ... -
Ultrasonic Pulse Velocity Versus Strength For Concrete In Qatar
( Qatar University , 1992 , Article)Compressive strength of concrete is widely accepted as a characteristic property indicating and representing its quality. The accuracy of both ultrasonic and mechanical strength is discussed and the advantages of ultrasonic ... -
Ultrastructural localization of acid and alkaline Phosphatases, glucose-6-phosphatase and odium-potassium Atpase enzymes in the neurosecretory and oesophageal Cells of earthworm
( Qatar University , 1994 , Article)In the present study we have localized acid and alkaline phosphatases, glucose-6-phosphatase and sodium-potassium ATPase (Na-K-ATPase) in ultra-thin sections of cerebral neurosecretory cells and oesophageal cells of the ... -
ultrastructural observations on the effect of the insecticide "aldrin" on some neurosecretory cells of the cerebral ganglion of the earthworm aporrectodea caliginosa
( Qatar University , 1994 , Article)The effect of the insecticide "Aldrin" on the neuroglia and neurosecretory cells of the earthworm Aporrectodea caliginosa was studied. The fine changes on the organdies of certain neurosecretory cells was observed by light ... -
Ultrastructural Study Of Type "B" Neurosecretory Cells In The Earthworm Nervous System
( Qatar University , 1991 , Article)Neurosecretory cell types Bi—B5 are widely distributed throughout the cerebral, subesophageal, nerve cord and peripheral ganglia of the oligochaete Aporrectodea caliginosa, Lumbricus terrestris, Eisenia foetida, Octolasion ... -
The ultrastructure of some stages of haemogregarina Tarentannulari infecting the gecko Tarentola annularis
( Qatar University , 1995 , Article)Certain blood and schizogonic stages of Haemogregarina larentannulari - occuring in the vertebrate host Tarenlola annularis - were studied by electron microscopy. Certain crylhrocytic stages, as well as some schizogonic ... -
Undergraduate student research
( Qatar University Press , 2020 , Poster)Introduction: The United Nations launched the Sustainable Development Goals in 2015. One of these goals describes achieving a Universal Health Coverage by 2030. This signifies workforce planning in healthcare professions ... -
Understanding COVID-19-related Burnout in Qatar's Community Pharmacists using the Job Demands-Resources Theory
( Qatar University Press , 2021 , Poster)Community pharmacists are one of the most accessible front-liners against the COVID-19 pandemic. Whilst playing a vital role in medication supply and patient education, exposure to pandemic demands and prolonged stressors ... -
Understanding the cost of change Function: A basis for using an effective small step change strategy
( Qatar University , 2005 , Article)This paper develops the cost of change function under the Continuous Improvement (CI) paradigm advocated by quality gurus such as Deming, Taguchi, and Shingo. CI is considered to be focusing on "frame bending" or minor ... -
Understanding the electrochemical performance of LiNi0. 5Mn1.5O4 coated with Yttria and distributed over graphene nanosheets as cathode in li-ion batteries
( Qatar University Press , 2021 , Poster)LiNi0.5Mn1.5O4 is a promising cathode material for lithium-ion batteries with a high-voltage spinel structure. A microwave-assisted chemical co-precipitation method was used to synthesize Y2O3 coated quasi-spheres of ... -
Understanding the jurisprudence of the Arab Gulf States national courts on the implementation of the 1958 New York Convention on the Recognition and Enforcement of Foreign Arbitral Awards
( Hamad bin Khalifa University Press (HBKU Press) , 2017 , Article)The 1958 New York Convention on the Recognition and Enforcement of Foreign Arbitral Awards (NY Convention) is a treaty connected with arbitration, the system of dispute resolution used in international trade. In today’s ... -
Understanding Workplace Adoption of Social Networking Sites: Employers’ perspective
( Qatar University , 2012 , Article)Studies on social networking sites (SNSs) rarely touched on the acceptance of SNS use in the workplace. This study, in turn, attempts to fill this gap by explaining the acceptance of SNS use in the workplace by proposing ... -
Unfair Payment Issues in Construction: Re-Thinking Alternative Payment Method For Tier-1 Contractors to Subcontractors
( Qatar Univesrity Press , 2020 , Conference Paper)Recent statistics reveal substantial increase in late payments cases from 18% to 27%; with over £30 billion unpaid invoices to UK contractors. Furthermore, 82% of overdue invoices are monies owed to subcontractor by tier-1 ... -
Unique Structural Design and Construction Challenges for Al Bustan South Project in Qatar
( Qatar Univesrity Press , 2020 , Conference Paper)The Al Bustan Street South (ABS) Expressway Project features the longest dual carriageway bridges in Qatar spanning 2.6 km each, with a minimum of four lanes in each direction from south of Al Waab Street to south of Rayyan ... -
Universities as Guardians of Man's cultural heritage: Leaders in Cultural Development.
( Qatar University , 1981 , Conference Paper) -
University of the Future: Re-Imagining Research and Higher Education
( Qatar University Press , 2020 , Book)Qatar University Annual Research Forum and Exhibition (QUARFE) is the meeting point for students, researchers and academics from the University’s colleges, centers, and institutes, including partners and stakeholders, to ... -
Unraveling Gene Expression Profiles of Cardiac Genes That Participate in Embryonic Development of Congenital Heart Defects Using Chick Embryo
( Qatar University Press , 2020 , Poster)Hypoplastic left heart syndrome (HLHS) is a rare but serious subtype of congenital heart defects (CHDs) at which the hemodynamics are disturbed. In this project, HLHS was introduced surgically by left atrial ligation (LAL) ... -
Unrelated Machines Scheduling With Machine Eligibility Restrictions
( Qatar University , 2002 , Article)In this paper we present a new heuristic algorithm to minimize the makespan for scheduling jobs on unrelated parallel machines with machine eligibility restrictions ( R^ I M .1 C^^). To the best of our knowledge, the ... -
Unsteady State Process Computations On Spreadsheets
( Qatar University , 1993 , Article)Spreadsheets are becoming increasingly popular, as a useful tool, for making process engineering calculations. This paper shows the use of spreadsheets for computations of an unsteady state process described by ordinary ...
