Browsing by Title
Now showing items 8433-8452 of 48073
-
The Effect of Using Applied Mathematics Lessons On 7th Grade Students’ Attitudes Towards Mathematics
(2020 , Master Thesis)This study aims to explore the effect of using applied mathematics lessons on 7th grade students’ attitudes towards mathematics in Qatari preparatory governmental schools. It investigates the change in students’ attitudes ... -
Effect of using Cement Kiln Dust as a nano-material on the strength of cement mortars
( Springer Verlag , 2017 , Article)In this experimental study, the effects of using nano-sized Cement Kiln Dust (CKD) as a partial replacement for Ordinary Portland Cement (OPC) on the strength of cement mortars is investigated. The CKD was milled up to 4 ... -
Effect of using multiple fabric plies on the tensile behaviour of carbon textile reinforced mortar
( University of Cantabria - Building Technology R&D Group , 2020 , Conference Paper)Recently, textile reinforced mortar (TRM) has emerged as a viable strengthening material for reinforced concrete (RC) and masonry structures. Understanding the TRM tensile behaviour is important to achieve an accurate ... -
Effect of Utilizing a Novel Intake Manifold Design on Smoke Emissions and Particulate Size Distributions of a Gas-to-Liquid Diesel Engine
( American Society of Mechanical Engineers (ASME) , 2021 , Article)Smoke emissions and particulate matter (PM) size distributions were investigated on a direct-injection (DI) single-cylinder diesel engine running on both gas-to-liquid (GTL) and diesel fuels utilizing a novel spiral-helical ... -
Effect of UV/ozone treatment on surface hydrophilicity and humidity sensing properties of PVDF-BaTiO3 composite films
( Qatar University Press , 2021 , Poster)In this research work, we have studied the impact of UV/ozone treatment on the hydrophilicity of the PVDF-BaTiO3 nanocomposite film. We have prepared the nanocomposite solution by mixing PVDF (2.5 wt% kept constant) and ... -
Effect of vehicle safety recalls on the perception towards other vehicles from the same country of origin
( Periodical Offices of Chang- an University , 2019 , Article)A vehicle safety recall significantly impacts the demand for these specific manufacturer vehicles. The effect of this recall on the other manufacturers from the same country of origin (COO) that are not involved in the ... -
Effect of verbal instruction on motor learning ability of anaerobic and explosive exercises in physical education university students
( Frontiers Media S.A. , 2019 , Article)This study investigated the effect of motor learning with informational feedback into response to anaerobic exercises with and without motor learning tasks in handball physical education university students. Participants ... -
The Effect of Visual Impairment and Its Severity on Vision-Related and Health-Related Quality of Life in Jordan: A Comparative Cross-Sectional Study
( Dove Medical Press , 2023 , Article)Purpose: To assess the effect of visual impairment (VI), its severity, and ocular diseases on vision-related and health-related quality of life (QoL) in Jordan. Patients and Methods: A comparative, cross-sectional, ... -
Effect of Voltage Level on the Performance of Silicone Rubber in the Inclined Plane Tracking and Erosion Test
( Institute of Electrical and Electronics Engineers Inc. , 2022 , Conference Paper)This paper investigates the effect of the test voltage level on the performance of silicone rubber in inclined plane tracking and erosion test. Silicone rubber composites, filled with either alumina tri-hydrate or ground ... -
Effect of vortex order on helical-phased donut mode launch in multimode fiber
( American Scientific Publishers , 2015 , Article)Optical fiber sensors based on mode division multiplexing (MDM) play an increasingly vital role for real-time multi-parameter measurements. For multimode fibers, the central core region typically has defects in the refractive ... -
Effect of vortex order on helical-phased donut mode launch in multimode fiber
( American Scientific Publishers , 2015 , Article)Optical fiber sensors based on mode division multiplexing (MDM) play an increasingly vital role for real-time multi-parameter measurements. For multimode fibers, the central core region typically has defects in the refractive ... -
Effect of Waste Tire Rubber on Properties of Asphalt Cement and Asphalt Concrete Mixtures: State of the Art
( Springer Nature , 2023 , Article)This research paper aims at providing a comprehensive analysis of the effect of the addition of waste tire rubber to asphalt mix and its properties. Having reviewed several published research papers, it is concluded that ... -
Effect of waste wax and chain structure on the mechanical and physical properties of polyethylene
( Elsevier B.V. , 2015 , Article)The influence of adding waste wax, produced as a by-product of the low density polyethylene manufacturing process, on the thermal and mechanical properties of three types of polyethylene (PE), high-density polyethylene ... -
Effect of water absorption on the mechanical properties of long date palm leaf fiber reinforced epoxy composites
( American Scientific Publishers , 2015 , Article)This paper examines the effect of the first 24 hours water absorption on the mechanical properties and morphology of the long date palm leave fiber (DPLF) and unidirectional reinforced epoxy composites. The mechanical ... -
Effect of Water Stress (Drought and Waterlogging) on Medicinal Plants
( Springer Nature , 2023 , Book chapter)Climate change causes different biotic and abiotic stresses to the plants, water stress being one of them. Water stress includes water-logging (flooding) and water deficit (drought). These stresses restrict the plant’s ... -
The effect of water table fluctuation and hydrogeochemical properties on NAPLs natural attenuation
(2023 , Dissertation)Human activities have recently resulted in the degradation and contamination of groundwater. Petroleum spills, such as crude oil, gasoline, and diesel fuel, are a major source of groundwater contamination, especially along ... -
Effect of Water-Pipe Smoking on the Normal Development of Zebrafish
( MDPI , 2021 , Article)Background: Among all types of tobacco consumption,Water-Pipe Smoking (WPS) is the most widely used in the Middle East and second-most in several other countries. The effect of WPS on normal development is not yet fully ... -
Effect of WeChat-based intervention on food safety knowledge, attitudes and practices among university students in Chongqing, China: a quasi-experimental study
( springer link , 2023 , Article)Background: Food safety is of global importance and has been of concern in university settings in recent years. However, effective methods to conduct food safety education are limited. This study aims to evaluate the effects ... -
Effect of yeast volatile organic compounds on ochratoxin A-producing Aspergillus carbonarius and A. ochraceus
( Elsevier B.V. , 2018 , Article)Many foods and beverages in temperate and tropical regions are prone to contamination by ochratoxin A (OTA), one of the most harmful mycotoxins for human and animal health. Aspergillus ochraceus and Aspergillus carbonarius ... -
Effect of zirconia nanotube coating on the hydrophilicity and mechanochemical behavior of zirconium for biomedical applications
( Elsevier , 2022 , Article)Zirconium has attracted considerable attention in the biomedical field owing to its biocompatibility and desirable tribological and mechanical properties. In this study, we anodized pure zirconium in an ammonium fluoride ...
