تصفح Research Units حسب العنوان
السجلات المعروضة 1692 -- 1711 من 4762
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Experimental study on combustion, performance, and emission behaviours of diesel /WCO biodiesel/Cyclohexane blends in DI-CI engine
( Institution of Chemical Engineers , 2021 , Article)Waste cooking oil biodiesel is considered a common way to generate clean energy in all countries. It can be used efficiently, like fossil fuel quality. To overcome the problem of poor combustion, an increase in the NOx and ... -
Experimental warming differentially affects vegetative and reproductive phenology of tundra plants
( Nature Research , 2021 , Article)Rapid climate warming is altering Arctic and alpine tundra ecosystem structure and function, including shifts in plant phenology. While the advancement of green up and flowering are well-documented, it remains unclear ... -
Exploration of Carbonate Aggregates in Road Construction using Ultrasonic and Artificial Intelligence Approaches
( Qatar University Press , 2023 , Conference Paper)The COVID-19 pandemic has significantly impacted the construction sector, which is highly sensitive to economic cycles. In order to boost value and efficiency in this sector, the use of innovative exploration technologies ... -
Exploratory study on self-awareness and self-preparedness of Malaysian rail passengers for emergency evacuations
( Elsevier Ltd , 2022 , Article)This study explores the self-awareness and self-preparedness among Malaysian rail passengers during potential emergency evacuations. A questionnaire survey was carried out at a major rail transit terminal in Kuala Lumpur, ... -
Exploring Crowd Management and Evacuation Strategies using Microscopic Pedestrian Simulation: A Case Study of Souq Waqif
( Qatar University Press , 2023 , Conference Paper)Safe egress plans are critical for crowd evacuation at touristic attractions, particularly during special events, as visitors are often unaware of their options. Identification of bottlenecks in the walking spaces are vital ... -
Exploring driver behaviors during tailgating situations: a driving simulator study
( Elsevier , 2023 , Conference Paper)The characteristics of drivers vary from one individual to another and one culture to another, leading to distinct driving behaviors exhibited by different drivers. This study aims to explore drivers’ car-following behaviors ... -
Exploring Dysregulated Signaling Pathways in Cancer.
( Bentham Science Publishers , 2020 , Article Review)Cancer cell biology takes advantage of identifying diverse cellular signaling pathways that are disrupted in cancer. Signaling pathways are an important means of communication from the exterior of cell to intracellular ... -
Exploring home-to-school trip mode choices in Kandy, Sri Lanka
( Elsevier , 2022 , Article)Schools are major trip generators in urban areas and school trips may largely contribute to the congestion, particularly during morning peak hours. This study investigates the home-to-school trip mode choices in Kandy city, ... -
Exploring Local Governance and E-Services in Qatar
( IGI Global , 2019 , Article)Properly implemented, e-government enables improved government efficiency and greater engagement with citizens. The State of Qatar has implemented many e-government initiatives but little has been done to investigate their ... -
Exploring local job seekers perception toward employment in the private and public sectors in Qatar: implications for workforce nationalization policies
( Emerald Publishing Limited , 2023 , Article)Purpose: The influx of expatriates to the Gulf Cooperation Council (GCC) countries has led to labor imbalance inducing these countries to initiate workforce nationalization policies. However, despite the policies' emphasis ... -
Exploring Microscopic Characteristics of Bicycle Riders’ following Behaviors in a Single-File Movement
( MDPI , 2023 , Article)Cycling can bring a wide range of social, economic, and health benefits to individuals and communities. The safety and efficiency of bicycle facilities can be significantly impacted by the interactions among riders. This ... -
Exploring of the gender variations in 4Cs skills among primary students
( Elsevier , 2024 , Article)The development of 21st-century learning skills must prioritize collaborative problem-solving abilities. These include critical thinking, creativity, cooperation, and communication (4Cs) and the gender-based difference in ... -
Exploring Sheraoh Island at South-Eastern Qatar: First Distributional Records of Some Inland and Offshore Biota with Annotated Checklist
( OMICS International , 2016 , Article)Sheraoh island is the most remote among Qatari islands, nearly 73.5 km south-eastern of the mainland of the peninsula. In March 2010, a preliminary general survey of the species was conducted. Observations were made ... -
Exploring strategies to enhance microalgae nutritional quality for functional poultry-sourced food products
( Elsevier , 2023 , Article)Microalgae have emerged as a promising feedstock for the poultry feed industry due to their high nutritional potential, containing essential polyunsaturated fatty acids, essential amino acids, vitamins, and other high-value ... -
Exploring Teachers’ Perceptions of the Barriers to Teaching STEM in High Schools in Qatar
( MDPI , 2022 , Article)Understanding teachers’ attitudes and perceptions of STEM teaching is a key pathway to enhance effective STEM teaching. Inarguably, teachers are the cornerstone of educational quality and play a central role in students’ ... -
Exploring the Biochemical Methane Potential of Wholesale Market Waste from Jordan and Tunisia for a Future Scale‑Up of Anaerobic Digestion in Amman and Sfax
( Springer , 2022 , Article)Local open markets, trading fruits and vegetables, are widespread in Mediterranean countries, such as Tunisia and Jordan, producing large amounts of organic waste. Applying an anaerobic digestion process on this substrate ... -
Exploring the determinants of mobile health adoption by hospitals in China: Empirical study
( JMIR Publications , 2020 , Article)Background: Although mobile health (mHealth) has the potential to transform health care by delivering better outcomes at a much lower cost than traditional health care services, little is known about mHealth adoption by ... -
Exploring the dynamics of algae-associated microbiome during the scale-up process of Tetraselmis sp. microalgae: A metagenomics approach
( Elsevier , 2023 , Article)Microalgae have become a key source of valuable compounds, promoting commercial scale applications. However, biological contamination is one of the most critical problems associated with large scale algal production, ... -
Exploring the impacts of COVID-19 on travel behavior and mode preferences
( ElsevierLtd. , 2020 , Article)Various measures were recommended or imposed by the governments to control the spread of COVID-19. Travel behaviors are significantly influenced due to such measures. However, people have various travel needs ranging from ... -
Exploring the integration of ChatGPT in education: adapting for the future
( Emerald Publishing Limited , 2023 , Article)Purpose: This article aims to explore the advantages of integrating a new generative artificial intelligence (AI) technology in education. It investigates the use of ChatGPT in personalized learning, assessment and content ...
