Browsing Faculty Contributions by Title

Now showing items 16541-16560 of 17503

    • Voltage stability evaluation of real power transmission system using singular value decomposition technique 

      Ellithy, K.; Shaheen, M.; Al-Athba, M.; Al-Subaie, A.; Al-Mohannadi, S.; ... more authors ( IEEE , 2008 , Conference Paper)
      Voltage stability is an important factor that needs to be taken into consideration during the planning and operation of power systems in order to avoid voltage collapse and subsequently partial or full system blackout. ...

    • Voltage/load Control Strategy for Smart Distribution Grids with a High Penetration of Renewable Energy Sources 

      Elsayad, N.E.; Shaban, K.B.; Massoud, A.; Shatshat, R.E. ( European Association for the Development of Renewable Energy, Environment and Power Quality (EA4EPQ) , 2016 , Article)
      The exponential increase of renewable energy sources (RESs) penetration in the power grid introduces the of voltage instability when RESs are integrated into medium and low voltage networks. This paper proposes a state-machine ...

    • Voluntary disclosure in the annual reports of an emerging country: The case of Qatar 

      Hossain, Mohammed; Hammami, Helmi ( Elsevier Ltd , 2009 , Article)
      This study sets out to examine empirically the determinants of voluntary disclosure in the annual reports of 25 listed firms of Doha Securities Market (DSM) in Qatar forming approximately 86% of the total firms incorporated ...

    • Voluntary risk disclosure and values of FTSE350 firms: the role of an industry-based litigation risk 

      Elsayed, Nader; Hassanein, Ahmed ( Inderscience Publishers , 2021 , Article)
      There is conflicting research on whether litigation risk affects voluntary disclosure positively or negatively. This study thus aims to examine how litigation risk affects the voluntary disclosure of risk information. It ...

    • VOPcPhO:P3HT composite micro-structures with nano-porous surface morphology 

      Azmer, Mohamad Izzat; Ahmad, Zubair; Sulaiman, Khaulah; Touati, Farid; Bawazeer, Tahani M.; ... more authors ( Elsevier B.V. , 2017 , Article)
      In this paper, composite micro-structures of Vanadyl 2,9,16,23-tetraphenoxy-29H,31H-phthalocyanine) (VOPcPhO) and Poly (3-hexylthiophene-2,5-diyl) (P3HT) complex with nano-porous surface morphology have been developed by ...

    • Vortex induced vibration energy harvesting using magnetically coupled broadband circular-array piezoelectric patch: Modelling, parametric study, and experiments 

      Hafizh, Muhammad; Muthalif, Asan G.A.; Renno, Jamil; Paurobally, M.R.; Bahadur, Issam; ... more authors ( Elsevier , 2023 , Article)
      Piezoelectric composites have become increasingly important in energy harvesting from vibration and, more recently, flow-induced vibration. The compatibility of piezoelectric devices has allowed tuning harvesters to the ...

    • Voter's intention to use electronic voting systems 

      Anagreh, Laila F.; Abu-Shanab, Emad A. ( IGI Global , 2017 , Article)
      Electronic government initiatives play a central role in opening doorsfor potential votersto participate in the political process by using electronic voting systems. Electronic voting is attracting more attention by ...

    • The vowel system of Qatari Arabic: Evidence for peripheral/non-peripheral distinction between long and short vowels 

      Al-Mazrouei, Aisha; Negm, Aisha; Kulikov, Vladimir ( Cambridge University Press , 2023 , Article)
      Arabic has a vowel system with three long and three short monophthongs. One of the parameters that accounts for qualitative differences between long and short vowels across languages is tenseness/laxness of vowels located ...

    • VRowser: A virtual reality parallel web browser 

      Toyama S.; Al Sada M.; Nakajima T. ( Springer Verlag , 2018 , Conference Paper)
      In this paper, we propose VRowser, which is a virtual reality (VR) web browser that utilizes various visualization and interaction methods to support webpage content comparisons, allocation, grouping, and retrieval that ...

    • Vulnerabilities and countermeasures in electrical substations 

      Hussain, Shahbaz; Hernandez Fernandez, Javier; Al-Ali, Abdulla Khalid; Shikfa, Abdullatif ( Elsevier , 2021 , Article)
      The impending and continued threat of cyberattacks on modern utility grids has called for action from the different stakeholders of the electricity sector. This calls for a thorough investigation and review of the weaknesses ...

    • Vulnerabilities and verification of cryptographic protocols and their future in Wireless Body Area Networks 

      Chaudhry, Junaid; Qidwai, Uvais A.; Rittenhouse, Robert G.; Lee, Malrey ( IEEE , 2012 , Conference Paper)
      In network security goals such as confidentiality, authentication, integrity and non-repudiation can be achieved using cryptographic techniques. Cryptographic techniques are techniques to hide information from unauthorized ...

    • Vulnerabilities of the SARS-CoV-2 Virus to Proteotoxicity—Opportunity for Repurposed Chemotherapy of COVID-19 Infection 

      Al-Motawa, Maryam S.; Abbas, Hafsa; Wijten, Patrick; de la Fuente, Alberto; Xue, Mingzhan; ... more authors ( Frontiers Media , 2020 , Article)
      The global pandemic of COVID-19 disease caused by infection with the SARS-CoV-2 coronavirus, has produced an urgent requirement and search for improved treatments while effective vaccines are developed. A strategy for ...

    • Vulnerability and precarity of Palestinian women in the Naqab 

      Daher-Nashif, Suhad ( Taylor & Francis , 2021 , Article)
      Many studies have broadly addressed the status of the Naqab/Negev Bedouins in Israel, particularly the status of women. However, women from the West Bank and the Gaza Strip who are married to male Bedouin citizens of Israel ...

    • Vulnerable newborn types: analysis of subnational, population-based birth cohorts for 541 285 live births in 23 countries, 2000–2021 

      Erchick, D. J.; Hazel, E. A.; Katz, J.; Lee, A. C.C.; Diaz, M.; ... more authors ( Wiley , 2023 , Article)
      Objective: To examine prevalence of novel newborn types among 541 285 live births in 23 countries from 2000 to 2021. Design: Descriptive multi-country secondary data analysis. Setting: Subnational, population-based birth ...

    • VW's 'Defeat Devices' and Liability for Claims for Lost Emissions Tax Revenue 

      Truby, Jon; Kratsas, George ( Brill Academic Publishers , 2017 , Article)
      Volkswagen Group's utilisation of a 'defeat device' to produce inaccurate results for vehicle emissions tests in multiple consumer states, leads it to face potentially crippling fines, possible criminal liability, civil ...

    • Waist Circumference and Risk of Liver Cancer: A Systematic Review and Meta-Analysis of over 2 Million Cohort Study Participants 

      Rahmani, Jamal; Kord Varkaneh, Hamed; Kontogiannis, Vasileios; Ryan, Paul M; Bawadi, Hiba; ... more authors ( Karger Publishers Open Access , 2020 , Article)
      Liver cancer is the sixth most common type of cancer worldwide, and waist circumference (WC) is associated with its risk beyond body mass index (BMI). This dose-response meta-analysis was performed to investigate the ...

    • Walsh transform with moving average filtering for data compression in wireless sensor networks 

      Elsayed, Mohamed; Mahmuddin, Massudi; Badawy, Ahmed; Elfouly, Tarek; Mohamed, Amr; ... more authors ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)
      Due to the peculiarity of wireless sensor networks (WSNs), where a group of sensors continuously transmit data to other sensors or to the fusion center, it is crucial to compress the transmitted data in order to save the ...

    • Waning effectiveness of COVID-19 vaccines 

      Hiam, Chemaitelly; Abu-Raddad, Laith J ( Elsevier , 2022 , Article)
      In The Lancet, Peter Nordström and colleagues1 report the effectiveness of several COVID-19 vaccines and different vaccine schedules against any documented SARS-CoV-2 infection and against severe COVID-19, for up to 9 ...

    • Waning mRNA-1273 Vaccine Effectiveness against SARS-CoV-2 Infection in Qatar 

      Abu-Raddad, Laith J.; Chemaitelly, Hiam; Ayoub, Houssein H.; Yassine, Hadi M.; Abdul Rahim, Hanan F.; ... more authors ( Massachussetts Medical Society , 2022 , Other)
      In early 2021, Qatar launched a mass immunization campaign with the mRNA-1273 (Moderna)1 vaccine against coronavirus disease 2019 (Covid-19).2 We assessed the persistence of real-world vaccine effectiveness against severe ...

    • Waning of BNT162b2 Vaccine Protection against SARS-CoV-2 Infection in Qatar. 

      Chemaitelly, Hiam; Tang, Patrick; Hasan, Mohammad R; AlMukdad, Sawsan; Yassine, Hadi M; ... more authors ( Massachusetts Medical Society , 2021 , Article)
      Waning of vaccine protection against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection or coronavirus disease 2019 (Covid-19) is a concern. The persistence of BNT162b2 (Pfizer-BioNTech) vaccine ...