Now showing items 582-601 of 4355

    • Double layered polymeric coatings for corrosion protection of steel 

      Hassanein, Amani; Khan, Adnan; Shakoor, R.A.; Kahraman, Ramazan ( Qatar University Press , 2021 , Poster)
      Corrosion is one of the challenging issues faced by many industries, causing substantial economic losses every year due to the degradation of metallic parts, raising many safety concerns. Therefore, it is of utmost relevance ...
    • Drag On Non-Spherical Particles In Non-Newtonian Fluids 

      Farag, Hassan A.; El-Manaa, Nawaf H. ( Qatar University , 1996 , Article)
      The drag coefficient (CD ) was determined for three different non-spherical particles (cubes, rectangles and cylinders) of different sizes falling in two different non-Newtonian fluids (glycerol and polymer - paraffin ...
    • The drama of critical discourse: the case of Richard II 

      Kharboutli, Mahmoud K. ( Qatar University , 1995 , Article)
      Contrasting them with the poet-in-a poet, Harold Bloom says that "Critics may be wary of origins or consign them disdainfully to those carrion-eaters of scholarship." That in literary criticism there is an abundance of ...
    • Drone-based Cooling Leakage Measurement from Glass Front Towers 

      Abed, Hadeel; Abdou, Nada; Zorba, Nizar ( Qatar University Press , 2020 , Poster)
      Drones are increasingly gaining more attention these days and they are employed in several applications. At the same time, the steps towards saving energy and improving the efficiency of the buildings are significantly ...
    • Drones for Agriculture 

      Ellithy, Noor Khaled; Balaawi, Orob Kifah; Alnakeeb, Alaa Khaled ( Qatar University Press , 2020 , Poster)
      Taking measurements for agriculture purposes is a challenge that this project tackles. A UAV and some sensors are being used to monitor a big field. The target of this project is to design a fully autonomous system that ...
    • Duality of Lean Construction and Building Information Modeling into Digital Collaborative Scheduling in Qatar: A Conceptual Framework 

      Gunduz, Murat; Naji, Khalid; Naser, Ayman Fahmi ( Qatar University Press , 2023 , Conference Paper)
      Long has the construction industry been chastised for its low production performance. Building Information Modelling (BIM) and Lean Construction (LC) are two of the most widely adopted concepts in the construction industry ...
    • Dune Sand Mortar Effects on Deflections of Repaired Steel Bars-Reinforced Concrete Beams 

      Djeridane,Madina; Zaidi, Ali; Lakhdari, Mohammed Fatah ( Qatar Univesrity Press , 2020 , Conference Paper)
      This paper presents theoretical and experimental investigations to analyze the flexural behavior of reinforced concrete beams repaired with mortars based on dune sands. The beams supposedly damaged were repaired using ...
    • Dynamic Analysis Of A Novel Manpowered Transportation Vehicle With High Mechanical Efficiency 

      Abdel Rahman, T. M; Al-Salem, Nabeel A. ( Qatar University , 2002 , Article)
      This paper evaluates the dynamics of a novel manpowered transportation vehicle. The vehicle has a novel mechanism that maximizes the mechanical input work and utilizes the weight of the rider for propulsion. The rider ...
    • Dynamic Imaging of Hydrate Specific Area Evolution during Xenon Hydrate Formation 

      Jarrar, Zaher; Al-Raoush, Riyadh; Alshibli, Khalid; Jung, Jongwon ( Qatar Univesrity Press , 2020 , Conference Paper)
      Gas hydrates are ice-like structures formed under high pressure and low temperature conditions. They are considered as a potential energy source due to their abundance and the increase in energy demand worldwide. A fundamental ...
    • Dynamics of Financial Development in Co-Integrated Error Correction Mechanism (Ecm): Evidence from Bangladesh 

      Mohsin Ali, M.; Kamrul Hassan, A. F. M. ( Qatar University , 2008 , Article)
      This paper examines the factors that determine the level of financial development in Bangladesh. Three indicators of financial development are used as dependent variables: broad money, private credit and total bank ...
    • [E]motive Architecture: strategies for a behaviour-driven Space configuration 

      Cambié, Viola; Zanoli, Carlotta ( Qatar Univesrity Press , 2021 , Conference Paper)
      As Architect and Engineer, we used to work with the concept of Space. Struggling to find an exhaustive definition, we risk thinking about it as a framework with the same properties of the object we are going to design. ...
    • Early Cretaceous Dinoflagellate Cysts And Miospores From The Mersa Matruh 1 Borehole, North West Desert, Egypt 

      El Beialy, Salah Y. M. [صلاح يوسف البيلي] ( Qatar University , 1994 , Article)
      This study aims to document the Neocomian to Aptian palynological assemblages recorded in the Mersa Matruh borehole, north West Desert, Egypt. These palynological assemblages, consisting mainly of dinocysts, miospores and ...
    • An early marker of monoclonal light chain protein In bladder cancer 

      Ibrahim, A. M. [ا م ابراهيم]; Khalil, A. M.; Shaheen, F. A.; Hussein, M. M.; El-Shawarby, N. K. ( Qatar University , 1994 , Article)
      Bladder cancer complicating schistosomiasis is a major cause of cancer mortality in Egypt. It affects farmers who suffer from repeated and severe chronic schistosomal cystitis. The late presentation of this disease is ...
    • Early Thermal Cracking Control of Concrete Structures in Qatar 

      Alkadour, Firas; Anagnostaki, Christina; Tzaveas, Theodoros; Oruganti, Anil Kumar; Kara, Ali ( Qatar University Press , 2023 , Conference Paper)
      Thermal cracks can occur in concrete elements at early stages during the hardening process. Also, the impact of thermal contraction and drying and autogenous shrinkage, may lead to excessive tensile strains and as a result ...
    • Earth Resistivity And Self-Potential Study On The Area East Of Sohag City And Their Groundwater Implications 

      Ibrahim, H. A. [حمزه احمد ابراهيم]; Bakheit, A. A.; Faheem, S. M. ( Qatar University , 1993 , Article)
      Nineteen field vertical electrical soundings have been made in the area east of Sohag to provide hydrogeologic information for groundwater exploration. These sounding are interpreted using programs for the automatic ...
    • East Industrial Pedestrian Bridge: A Case Study of Value Engineering and High Performance Material 

      Tzaveas, Theodoros ( Qatar Univesrity Press , 2020 , Conference Paper)
      East Industrial Road, a main arterial for the city of Doha with high average daily traffic, made crossing by foot being not only challenging, but also dangerous. Authorities proposed to build a pedestrian bridge over East ...
    • ECG Abnormalities Induced By Scorpion Venom Administration: The Effect And The Mechanism 

      Omran, Mohamed A. A. [محمد علاء عبدالله عمران]; Ibrahim, H. A.; Nabil, Z. I. ( Qatar University , 1994 , Article)
      Intramuscular administration of scorpion (Leiurus quinquestriatus) lyophilized venom (100, 200 and 400 mg/kg) into rats produced drastic changes in the electrical activity of the cardiac muscle. These abnormalities were ...
    • Eco-friendly Concrete Using Local Materials From Sudan 

      Mahmoud, Salma Yahia Mohamed; Alshiekh, El Tahir Abualgasim Mohammed ( Qatar Univesrity Press , 2020 , Conference Paper)
      This study is aimed at investigating the potentiality for utilizing some locally available eco-friendly materials to replace some concrete constituents as a possible opportunity to introduce sustainable construction in ...
    • Eco-friendly Concrete Using Waste Plastic Bottles as Aggregate: A Case Study from Oman 

      Al Umairi, Abdul Rahim; Al Mahrouqi, Nawf; Al Wahaibi, Maryam; Al Hooti, Maryam; Al Nabhani, Fatemah; ... more authors ( Qatar University Press , 2023 , Conference Paper)
      Waste plastic bottles (WPB) (polyethylene terephthalate (PET)) type are used widely for water storage and eventually become environmental burden. This study investigated an innovative application of the WPB to partially ...
    • Ecological and Health Risks Assessment of Potentially Toxic Metals and Metalloids Contaminants 

      Alsafran, Mohammed; Usman, Kamal; Al Jabri, Hareb; Rizwan, Muhammad ( Qatar University Press , 2021 , Poster)
      Potentially toxic environmental contaminants, including metals and metalloids, are commonly found in emerging economies. At high concentrations, elements such as As, Cr, and Ni can be hazardous and may lead to various ...