Ahmed S. Shehata
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View article: Enhancing Maritime Safety Through Tailored Training Programs: A Pre and Post Assessment Study
Enhancing Maritime Safety Through Tailored Training Programs: A Pre and Post Assessment Study Open
This research is conducted to evaluate the importance of safety training in dangerous environments as well as influence on diverse demographic groups within the marine workforce through a pre and post training assessments conducted on safe…
View article: A Computational Fluid Dynamics Model for Tornado Wind Turbine
A Computational Fluid Dynamics Model for Tornado Wind Turbine Open
The increasing demand for clean and renewable energy has led researchers to focus on the development of vertical-axis wind turbines. This paper aims to compare the flow field and performance of the Tornado wind turbine with those of Savoni…
View article: Isolation and identification of antifungal, antibacterial and nematocide agents from marine bacillus gottheilii MSB1
Isolation and identification of antifungal, antibacterial and nematocide agents from marine bacillus gottheilii MSB1 Open
Pathogenic fungi employ numerous strategies to colonize plants, infect them, reduce crop yield and quality, and cause significant losses in agricultural production. The increasing use of chemical pesticides has led to various ecological an…
View article: Growth, Physiological Performance and Yield Traits Responses in Bread Wheat Cultivars under Drought, Sprinkler Irrigation and Potassium Levels Conditions
Growth, Physiological Performance and Yield Traits Responses in Bread Wheat Cultivars under Drought, Sprinkler Irrigation and Potassium Levels Conditions Open
Water scarcity is a major obstacle to wheat output in the context of climate change, particularly in dry and semi-arid areas. A field experiment was conducted at the Ismailia Agricultural Research Station in Egypt during the two consecutiv…
View article: Prevalence and characteristics of patent foramen ovale in a sample of Egyptian population: a computed tomography study
Prevalence and characteristics of patent foramen ovale in a sample of Egyptian population: a computed tomography study Open
Background The reported prevalence of patent foramen ovale (PFO) in the general population is variable. It ranges between 8.6 and 42% according to the population studied and the imaging technique used. We aim to prospectively assess the pr…
View article: Prospective evaluation of the impact of multi-channel studies on treatment outcomes in children with sleep disordered breathing
Prospective evaluation of the impact of multi-channel studies on treatment outcomes in children with sleep disordered breathing Open
There are significant variations in practice regarding the use of sleep studies in children with symptoms of sleep disordered breathing (SDB) prior to adenotonsillectomy. Current UK guidance recommends the selective use of sleep studies to…
View article: Introducing Optimal Energy Hub Approach in Smart Green Ports based on Machine Learning Methodology
Introducing Optimal Energy Hub Approach in Smart Green Ports based on Machine Learning Methodology Open
The integration of renewable energy systems in port facilities is essential for achieving sustainable and environmentally friendly operations. This paper presents the implementation of an Optimal Energy Hub approach in smart green ports, w…
View article: A predictive machine learning model for estimating wave energy based on wave conditions relevant to coastal regions
A predictive machine learning model for estimating wave energy based on wave conditions relevant to coastal regions Open
Growth and expansion in construction has increased recently and especially in coastal areas. In Alexandria, Egypt, mega projects such as El-Max Port Project (Middle Port), Port of ABU QIR (EG AKI), hotels, and restaurants were spread along…
View article: Ideal Parameter Estimation of Photocatalysis Process to Boost Amoxicillin Degradation Efficiency Using Marine Predators Optimization Algorithm
Ideal Parameter Estimation of Photocatalysis Process to Boost Amoxicillin Degradation Efficiency Using Marine Predators Optimization Algorithm Open
This paper presents a methodology for determining the optimal parameters of a photocatalysis process for treating pharmaceutical wastewater. Three parameters are considered: pH value, catalyst dosages, and reaction time to boost the amoxic…
View article: EFFECT OF NITROGEN SUPPLY BY AMMONIUM HUMATE ON MAIZE PRODUCTION UNDER SANDY SOIL AND NITROGEN-DEFICIENT CONDITIONS
EFFECT OF NITROGEN SUPPLY BY AMMONIUM HUMATE ON MAIZE PRODUCTION UNDER SANDY SOIL AND NITROGEN-DEFICIENT CONDITIONS Open
A field experiment was conducted during the two successive summer seasons of 2022 and 2023 under sandy soil conditions at Ismailia Agricultural Research Station of Ismailia Governorate, Egypt.This study aims to investigate the effect of mi…
View article: Optimal Sizing and Management of Hybrid Wind Turbine‐Diesel‐Battery System for Reverse Osmosis Seawater Desalination in NEOM City
Optimal Sizing and Management of Hybrid Wind Turbine‐Diesel‐Battery System for Reverse Osmosis Seawater Desalination in NEOM City Open
Optimal sizing and management of hybrid wind turbine‐diesel‐battery system for reverse osmosis seawater desalination in NEOM city is the objective of the paper. Therefore, the paper explored the different factors to optimize and introduce …
View article: Different Basin’s Parameters Investigation of Gravitational Whirlpool Hydropower Turbine
Different Basin’s Parameters Investigation of Gravitational Whirlpool Hydropower Turbine Open
The rapid growth of renewable energy is heading to use different types of hydropower energy applications. While the water flows at riverine systems, canals, streams, dykes, and channels with low water velocity and ultra-low head of water; …
View article: Ammonium Humate Application Techniques and their Influence on Crop Productivity and Sandy Soil Properties
Ammonium Humate Application Techniques and their Influence on Crop Productivity and Sandy Soil Properties Open
Ammonium humate (AH) is a substance that applied in agriculture as a fertilizer and soil conditioner.It is created when humic acid, reacts with ammonium hydroxide.So, it is considered a useful tool because it has various advantages for pla…
View article: Potential Wind Energy Assessment Using Full-scale Geometrical Model of an Urban Coastal City in Egypt on the Mediterranean
Potential Wind Energy Assessment Using Full-scale Geometrical Model of an Urban Coastal City in Egypt on the Mediterranean Open
Architects and infrastructure planners have often recommended the construction of small and medium-sized wind turbines on the rooftops of tall buildings as a viable option for achieving renewable energy in building architecture. Wind turbi…
View article: Numerical analysis of the buoy design to extract the effective kinetic wave energy
Numerical analysis of the buoy design to extract the effective kinetic wave energy Open
1. Abstract In many countries, sea wave energy is becoming more widely recognized as a significant and hopeful resource. The objective of this research is to evaluate the impact of alterations in buoy shape on the efficacy of the wave mode…
View article: Efficacy of Repeated Low-Level Red Light (RLRL) therapy on myopia outcomes in children: A systematic review and meta-analysis
Efficacy of Repeated Low-Level Red Light (RLRL) therapy on myopia outcomes in children: A systematic review and meta-analysis Open
Background Myopia is the most prevalent form of refractive error that has a major negative impact on visual function and causes blurring of vision. We aimed to determine if Repeated Low-Level Red Light (RLRL) treatment is beneficial in tre…
View article: Renewable solar and wind energies on buildings for green ports in Egypt
Renewable solar and wind energies on buildings for green ports in Egypt Open
Energy management plan is utilized as an optimum strategy by using solar and wind energies, as a new preliminary implementation. The aim of the study is to create an optimum strategy through an optimization of an energy management system. …
View article: Aspergillus flavus YRB2 from Thymelaea hirsuta (L.) Endl., a non-aflatoxigenic endophyte with ability to overexpress defense-related genes against Fusarium root rot of maize
Aspergillus flavus YRB2 from Thymelaea hirsuta (L.) Endl., a non-aflatoxigenic endophyte with ability to overexpress defense-related genes against Fusarium root rot of maize Open
Fusarium root rot, caused by Fusarium solani (Mart.) Sacc., represents one of the most damaging diseases of maize affecting plant growth and yield. In this study, the antagonistic potential of a non-aflatoxigenic endophytic Aspergillus fla…
View article: Reuse of Abandoned oil and gas wells for Power generation in Western Dessert and Gulf of Suez fields of Egypt
Reuse of Abandoned oil and gas wells for Power generation in Western Dessert and Gulf of Suez fields of Egypt Open
This study investigates the capable outcome of using existing abandoned oil and gas wells as a geothermal energy source in Egypt. Geothermal resources of Egypt are mainly located along the Gulf of Suez and Red Sea in addition to some addit…
View article: Experimental investigation for suction slots of wells turbine and shapes of point absorber
Experimental investigation for suction slots of wells turbine and shapes of point absorber Open
When it comes to reducing carbon emissions, A dependable source of renewable energy is wave energy. The endless energy crisis offers a multitude of potential solutions, including wave energy. Since there are no emissions, it is energy that…
View article: Heavy lift semi-submersible ships utilization in offshore wind turbines industry
Heavy lift semi-submersible ships utilization in offshore wind turbines industry Open
Many technologies and initiatives have been developed across the world to produce power from renewable resources. One of these technologies is offshore wind power that utilize wind turbines established in water to generate electricity. Off…
View article: Construction waste management: For biodiesel production process
Construction waste management: For biodiesel production process Open
The construction industry is one of the most important in today’s world, having a significant impact on any country’s economy and society. As per a current worldwide prediction, it will be a key contributor to worldwide economic expansion …
View article: Exact Solutions to a Class of Schamel Nonlinear Equations Modeling Dust Ion-acoustic Waves in Plasma
Exact Solutions to a Class of Schamel Nonlinear Equations Modeling Dust Ion-acoustic Waves in Plasma Open
In this paper, we apply the extended Kudryashov method to construct some new exact solitary wave solutions of three important physical models, Schamel-nonlinear Schrödinger (S-NLS) equation, Schamel Korteweg-de Vries (S-KdV) equation, Scha…
View article: Three-dimensional evaluation of maxillary sinus volume following the use of different designs of rapid maxillary expander
Three-dimensional evaluation of maxillary sinus volume following the use of different designs of rapid maxillary expander Open
Aim of the study: to assess maxillary sinus volume changes (MSV) in adolescent patients with class III malocclusion after application of three types of rapid maxillary expanders (RME). Material and Methods: This was a prospective cohort st…