Now showing items 484-503 of 4355

    • Data Interpretation Framework for Pile Thermal Integrity Testing 

      Sun, Qianchen; Elshafie, Mohammed; Barker, Chris; Fisher, Anthony; Bell, Andrew ( Qatar University Press , 2023 , Conference Paper)
      Given the inherent nature of how deep cast in-situ concrete foundations (piles and diaphragm walls) are constructed, evaluating their integrity is difficult. Several well-established methods for testing integrity have been ...
    • Deciphering the OIC Investment Agreement in Light of the Itisaluna v. Republic of Iraq Award 

      Konstantinidis, Ioannis; كونستانتينيديس, يوانيس ( Qatar University Press , 2022 , Article)
      Promulgated in 1981, the purpose of the Agreement on Promotion and Protection and Guarantee of Investments among Member States of the Organization of the Islamic Conference (nowadays the Organization of Islamic Cooperation) ...
    • Decomposition of a Special Type of Machines 

      Hassan, M. H. [محمد حسن حسن]; Mustafa, M. A. ( Qatar University , 1994 , Article)
      In this paper, the concept of a finite n-state cyclic machine An is defined. These machines are then completely characterized using the prime factorization of n. Specifically, it is proved that any finite-state cyclic machine
    • Decomposition Of The Set Of Conditionally Exponential Convex Functions 

      El Bab, A. S. Okb [احمد عقب الباب]; El-Shazli, M. S. ( Qatar University , 1993 , Article)
      The theory of C* -algebra is used to develop a connection between the local extreme points and the topology of the spectrum space G.
    • Dehydration of Ethanol over HF-treated Al2 O3 using the GC-column as Chemical Reactor 

      Ebeid, Fikry M. [فكري عبيد]; Alkaaby, Sherifa S. ( Qatar University , 1981 , Article)
      The effect of treating •y-alumina with hydrofluoric acid on the dehydration reaction of ethanol was investigated at 325°C. The gas chromatographic column was used as a chemical reactor. The rate of formation of ethylene ...
    • Delineation of charged deltaic rock genetic types in algyo-2 hydrocarbon reservoir, hungary; Based on log curve shapes 

      El Sayed, Abdel Moktader A. [عبد المقتدر عبد العزيز السيد] ( Qatar University , 1986 , Article)
      Most of the deltaic sandstone reservoirs exhibit complex lithofacies as well as petrophysical variations in both time and space. Facies analysis and reconstruction of facies patterns for the Algyo-2 reservoir rocks encountered ...
    • Demersal Fish Resources Around Qatar 

      Sivasubramaniam, K. [ك. سيفاسبرامانيام]; Ibrahim, Mohamed Amin ( Qatar University , 1982 , Article)
      The study was based on the data available from Fishery Resources Survey in the Gulf and Gulf of Oman, conducted by F.A.O., between 1975 and 1979 and the samplings of the fish production in Qatar during 1980/81. The survey ...
    • A Demodulation Technique For Power System Local Frequency And Voltage Measurements 

      Soliman, S.A.; Alammari, R. A.; Al-Kandari, M. A.; El-Hawary, M. E. ( Qatar University , 2003 , Article)
      The demodulation technique of two complex signals is used to estimate the power system local frequency and voltage phasor. The first complex signal is generated from the three-phase voltage waveform by using the ...
    • Demographically Extended & State Specific Optimal Commodity Taxes for India 

      Seth, A. K.; Bhathnage, Ankur ( Qatar University , 2006 , Article)
      This paper attempts to provide conclusive evidence of regional variations in demand be¬haviour in India using the Restricted Non Linear Preference System. Also the importance of household composition is brought out clearly ...
    • Density and diversity of the desert Arthropoda of Qatar 

      Abu Shama, F. T. [فيصل تاج الدين ابو شامة] ( Qatar University , 1997 , Article)
      Density and diversity of arthropods were studied at different habitats of the Qatari desert. Diurnal sampling was conducted at two seasons of the year, the end of the dry season, at the beginning of autumn (October) in ...
    • Depression in patients with spinal injury in Qatar: a mixed-methods study 

      Al Shamari, Badriya; OHara, Lily ( Qatar University Press , 2021 , Poster)
      Background: There is a high prevalence of depression in people with spinal injury. It has a major negative influence on health and performance of daily living activities following the injury. Social support plays an important ...
    • Depression-anxiety in the Adult Population of Qatar during the First Year of COVID-19 

      Khaled, Salma Mawfek; Amro, Iman; Bader, Lina; Bellaj, Tarek; Marzouki, Yousri; ... more authors ( Qatar University Press , 2021 , Poster)
      There is limited data from Arabic-speaking countries on risk factors for depression and anxiety during the COVID-19 pandemic. Country-specific data is necessary given differences in culture, demographics, and COVID-19 ...
    • Derivation of the Governing Differential Equation of Vibrating Host Plate with Two Piezoelectric Patches 

      Barham, Wasim; Bani-Hani,Khaldoon; Mohammad, Mutaz ( Qatar Univesrity Press , 2020 , Conference Paper)
      One of the most difficult challenges facing researchers these days is making industrial applications (e.g. engines, automobiles, and aircraft) run on renewable energy and reducing the use of fuel as much as possible. One ...
    • Design and Construction Risk Management of Souq Waqif Station of Gold Line, Doha Metro 

      Konstantis, Spyridon; Massinas, Spyros ( Qatar Univesrity Press , 2020 , Conference Paper)
      The case of redesigning Souq Waqif station by raising the base slab formation level due to significant water inflow during the excavation and dewatering works and the break in activities of two EPB TBMs under adverse ...
    • Design and Development of Rapid EV Charging System with V2G and V2H Operations 

      Kanaan, Laith; Iqbal, Atif ( Qatar University Press , 2021 , Poster)
      Plug in Electric vehicles (EVs) can act as source or load to the electric distribution network concept known as the vehicle-to-grid (V2G) system, or the lesser-known vehicle-to-home (V2H) system. Such systems can improve ...
    • Design And Implementation Of A Microprocessor Controlled Digital Filter 

      Ahmed, K. M. [قدرية محمدعلى احمد]; Meged, M. Abdel ( Qatar University , 1991 , Article)
      The construction and implementation of a microprocessor controlled real time recursive digital filter have been given. The system designed could also be applied to a variable coefficients system such as ADAPTIVE FILTER and ...
    • Design and Performance Evaluation of a High Speed Transport Protocol 

      El Derini, M. N. [محمد نزيه الدويني]; Guirgis, R. M. ( Qatar University , 1994 , Article)
      Transport protocols that were designed for network today are not adequate for high speed networks of the future due to the increase in network bandwidth relative to the speeds of the processor components. As a result, 100 ...
    • Design as semiosis: A design mechanism for place branding 

      Krasaki, Eirini ( Qatar Univesrity Press , 2021 , Conference Paper)
      The described design methodology combines parametric design, data analysis, algorithmic design and semiotics theory to systematically analyze urban reality. The analysis leads to a creation of a nebula of data which ...
    • Design Considerations of MPSO Marine Outfall and Diffuser Field 

      Verros, Panagiotis; Al-Marri, Saad Zayed; Kyriakopoulos, Alexios; Alvanitopoulos, Lefteris ( Qatar University Press , 2023 , Conference Paper)
      The purpose of the Musaimeer Pump Station and Outfall (MPSO) project is to receive storm water runoff and groundwater flows from the Abu Hamour Tunnel and to provide a pumping station, a marine outfall tunnel and a diffuser ...
    • Design Of A Simple Apparatus For Reaction Kinetics And Reactor Design Experiments 

      Vavanellos, T. D. ( Qatar University , 1990 , Article)
      Tubular reactor experiments arc an integral part of an undergraduate course in reaction kinetics and reactor design. However, the successful design of such experiments necessitates meeting a set of criteria regarding safety, ...