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Now showing items 1531-1540 of 1577
Finite Element Analysis of the Dynamics of Power-Law Fluid around an Obstacle in a Channel
(
Hindawi Limited
, 2022 , Article)
Control of uid forces is an emerging area of research with numerous engineering applications. e uneven wake behind an
obstacle causes undesirable structural oscillations, which can lead to fatigue or structural failure. ...
Preparing for the worst? Household food stockpiling during the second wave of covid-19 in serbia
(
MDPI
, 2021 , Article)
Stockpiling and panic buying are significant components of crisis-and disaster-related consumption behaviors that have gained significant media coverage during the COVID-19 pandemic. This paper aims to analyze the features ...
Facile Microwave Synthesis of Hierarchical Porous Copper Oxide and Its Catalytic Activity and Kinetics for Carbon Monoxide Oxidation
(
American Chemical Society
, 2022 , Article)
The synthesis of copper oxide (CuO)-based nanomaterials has received a tremendous deal of interest in recent years. Particularly, the design and development of novel CuO structures with improved physical and chemical ...
Differences in body fat, body mass index, and physical performance of specific field tests in 10-to-12-year-old school-aged team handball players
(
MDPI
, 2020 , Article)
This study aimed to compare 10-to-12-year-old Qatari male athletes and assess body fat, body mass index, and physical fitness, as well as the difference of these measures between ages. Thirty-five youth handball players ...
Acute effect of toe cap choice on toe deviation angle and perceived pain in female professional ballet dancers
(
Hindawi Limited
, 2019 , Article)
Several classical dance complex movements, such as pointe, require body weight to be supported properly to avoid risk of foot injury. Regarding the choice of toe cap for pointe shoes, it is unclear which type can better ...
Mapping Europe renewable energy landscape: Insights into solar, wind, hydro, and green hydrogen production
(
Elsevier
, 2024 , Article)
The study offers an in-depth examination of the capabilities and output of renewable energy sources, specifically focusing on solar, wind, hydroelectric, and green hydrogen technologies, within 27 countries of the European ...
Investigation on the effect of several parameters involved in the biodegradation of polyethylene (PE) and low-density polyethylene (LDPE) under various seawater environments
(
Elsevier
, 2024 , Article)
This work investigates the biodegradation of polyethylene (PE) and low-density polyethylene (LDPE) and the leaching of their harmful additives. Micro/macro-plastics of both types were subjected to different laboratory-controlled ...
Some α − ϕ-Fuzzy Cone Contraction Results with Integral Type Application
(
Hindawi Limited
, 2021 , Article)
In this paper, we define α-admissible and α-ϕ-fuzzy cone contraction in fuzzy cone metric space to prove some fixed point
theorems. Some related sequences with contraction mappings have been discussed. Ultimately, our ...
Students Impression About Using Mobile Phones in Classroom
(
Kassel University Press GmbH
, 2020 , Article)
Mobile phones are widely used by university students and there is a controversial topic whether students should be able to use them freely during lectures. A survey was distributed seeking student opinions on using mobile ...
The Evolvement of Qatar's Environmental Sustainability Policy: The Strategies, Regulations, and Institutions
(
Springer
, 2023 , Book chapter)
Environmental sustainability has been increasingly present on Qatar's policy agenda since the early 2000s, with the ratification of the Permanent Constitution, the issuance of several environmental laws, and the launch of ...