Browsing Research Units by Title
Now showing items 622-641 of 4989
-
Cerium oxide loaded with Gum Arabic as environmentally friendly anti-corrosion additive for protection of coated steel
( Elsevier Ltd , 2021 , Article)The depreciation of assets and safety threats because of corrosion has forced to develop eco-friendly and smarter corrosion protection strategies. In this study, natural Gum Arabic (GA) was used as a corrosion inhibitor ... -
Certrust: An SDN-Based Framework for the Trust of Certificates against Crossfire Attacks in IoT Scenarios
( Tech Science Press , 2023 , Article)The low-intensity attack flows used by Crossfire attacks are hard to distinguish from legitimate flows. Traditional methods to identify the malicious flows in Crossfire attacks are rerouting, which is based on statistics. ... -
Cesarean section deliveries in the occupied Palestinian territory (oPt): An analysis of the 2006 Palestinian Family Health Survey
( Elsevier , 2009 , Article)Objective Against the backdrop of a rise in cesarean section deliveries from 6.0% in 1996 to 14.8% in 2006, the objective of this study was to investigate socio-demographic, clinical and service-related factors associated ... -
CFD analysis of turbulent flow of power-law fluid in a partially blocked eccentric annulus
( MDPI AG , 2021 , Article)This study focuses on analyzing the turbulent flow of drilling fluid in inclined wells using the Computational Fluid Dynamics (CFD) technique. The analysis is performed considering an annulus with a fixed eccentricity of ... -
CFD and statistical approach to optimize the average air velocity and air volume fraction in an inert-particles spouted-bed reactor (IPSBR) system
( Elsevier Ltd , 2021 , Article)Inert-particles spouted bed reactor (IPSBR) is characterized by intense mixing generated by the circular motion of the inert particles. The operating parameters play an important role in the performance of the IPSBR system, ... -
CFD estimation of gas production in tight carbonates using single and dual-porosity models
( Nature Research , 2023 , Article)Tight Carbonate reservoirs are regarded as one of the most complex reservoir formations due to the heterogeneity and complexity of their mineral composition, pore structure, and storage model. It is uncommon to study the ... -
CFD modeling of particle settling in drilling fluids: Impact of fluid rheology and particle characteristics
( Elsevier B.V. , 2021 , Article)The settling of drilling cuttings is important for the drilling and clean-out operations. The current article provides a Computational Fluid Dynamics (CFD) modeling study of particle settling behavior during the drilling ... -
Chai Karak: The Politics of Tea and its Impact on the Status of South Asians in the United Arab Emirates
( Gulf Studies center - College of Arts & Sciences - Qatar University , 2020 , Conference Paper)Chai karak is a popular tea beverage in in the UAE and the other Arab Gulf states that is widely consumed across class and ethnic lines, particularly among wealthy UAE citizens and the poorer South Asian manual labourers ... -
Challenges and Mitigation of Cyber Threat in Automated Vehicle: An Integrated Approach
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)The technological development of automated vehicles opens novel cybersecurity threats and risks for road safety. Increased connectivity often results in increased risks of a cyber-security attacks, which is one of the ... -
Challenges Facing the Gulf Petroleum Industry: Covid-19, New Technologies, Energy Transition
( Springer Nature , 2023 , Book chapter)The outbreak of the Covid-19 epidemic and the resulting economic downturn have undermined the already weakened position of the global oil and gas industry. Since the transportation sector depends on 60 percent of energy ... -
Challenges for Higher Education in Crisis Stricken Times – The Effects of Covid-19 in Preparing Universities for Future
( دار نشر جامعة قطر , 2020 , Article)This viewpoint analyses the status and transformation of Higher Education institutions during unpredicted great challenges such as the current Covid-19, which disrupted most of the economies on the planet. The changes ... -
Challenges for Middle Eastern Petroleum Exports: Regional Conflicts or Internal Instability?
( Gulf Studies center - College of Arts & Sciences - Qatar University , 2019 , Conference Paper)What are the main challenges impacting the exports of oil and gas from the Middle East to the global markets? The focus has always been on the regional conflicts such as the Arab oil embargoes applied in the aftermath ... -
Challenges of multi-level water governance at micro-watershed level - A case from Rio de Janeiro, Brazil
( Institute of Physics Publishing , 2018 , Conference Paper)The micro-watershed level can be a promising unit for the integration and coordination of water management functions that affect sustainable water use and livelihoods of local communities such as farmer groups. Recent ... -
Challenges to Re-Structuring Iran's Energy Industry
( Gulf Studies center - College of Arts & Sciences - Qatar University , 2019 , Conference Paper)Ad hoc macro policies to generate added value revenue from crude oil, in part by investing in petrochemicals, drives Iran's energy sector to mitigate the impact of US-led sanctions. Similar policies aim to offer crude oil ... -
Challenges to the application of research ethics: researchers' views from Lebanon and Qatar
( American University of Beriut , 2014 , Conference Paper & Presentation)The rise of academic institutions and in funding in the Arab World, poses concerns about the practice of research ethics. The influence of cultural and academic contexts on the interpretation and the application of research ... -
Challenging gender norms: women’s leadership, political authority, and autonomy
( Emerald , 2022 , Article)Purpose: In patriarchal settings, cultural barriers continue to influence women’s participation in positions of leadership and political authority. This paper aims to explore these findings in light of the theoretical ... -
Change or perish: Examining the role of human capital and dynamic marketing capabilities in the hospitality sector
( Elsevier Ltd , 2021 , Article)Many researchers have endeavored to explain which factors contribute to sustainable competitive advantage. Toward this end, this study contributes to the marketing and hospitality management literature by providing empirical ... -
Changements climatiques et essor djihadiste au Sahel: une approche critique pour des solutions plus adaptées
( GQEG , 2018 , Article)Les pays du Lac Tchad et la communauté internationale ont privilégié depuis plusieurs années la résolution des problèmes complexes du Sahel (tels que le terrorisme, la pauvreté extrême et la dégradation environnementale) ... -
Changes in air quality during the first-level response to the COVID-19 pandemic in Shanghai Municipality, China
( MDPI , 2020 , Article)Ongoing rapid urban population growth world-wide has led to serious environmental problems that affect ecosystems and also lower the security and happiness of urban residents about their living environment. The most ... -
Changes in Driving Behavior Across Age Cohorts in an Arab Culture: The Case of State of Qatar
( Elsevier B.V. , 2018 , Conference Paper)In this investigation, we aimed to examine the structure of the Driving Behavior Questionnaire (DBQ) across age cohorts spanning 14 to 55 years in the State of Qatar. In addition, we aimed to examine variations in driving ...