Browsing Academic by Title

Now showing items 22541-22560 of 26317

    • Volunteers of Oman during the Corona Crisis: An Exploratory Study in the Sociology of Altruism 

      Tabishat, Mohammed ( Gulf Studies center - College of Arts & Sciences - Qatar University , 2020 , Conference Paper)
      Volunteering is a major aspect of contemporary globalized societies. It has long been an indicator for proper functioning of society at large. Further, it made notable difference for individuals, groups and organizations. ...

    • 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 ...

    • A Voting-Mechanism-Based Ensemble Framework for Constraint Handling Techniques 

      Wu, Guohua; Wen, Xupeng; Wang, Ling; Pedrycz, Witold; Suganthan, Ponnuthurai Nagaratnam ( Institute of Electrical and Electronics Engineers Inc. , 2022 , Article)
      Effective constraint handling techniques (CHTs) are of great significance for evolutionary algorithms (EAs) dealing with constrained optimization problems (COPs). To date, many CHTs, such as penalty function, superiority ...

    • 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 

      Rabbani, Naila; Thornalley, Paul John; Al-Motawa, Maryam; Xue, Mingzhan ( Qatar University Press , 2020 , Poster)
      The global pandemic of COVID-19 disease caused by infection with the SARS-CoV-2 coronavirus, has produce an urgent requirement and search for improved treatments whilst effective vaccines are developed. A strategy for ...

    • 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 ...

    • Vulnerability of mangroves to sea level rise in Qatar: Assessment and identification of vulnerable mangroves areas 

      Shehadi, Mohammad Ahmad (2015 , Master Thesis)
      Qatar is one of few countries in Arabian Gulf where mangrove ecosystem exist. They are essential number of ecosystem function; however, this valuable ecosystem is threatened by both anthropogenic and global climatic ...

    • 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 ...