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Mahmoud T. Nawar, Ahmed S. Eisa, Mohamed T. Elshazli, Yasser E. Ibrahim and Ayman El-Zohairy
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Suliman Ali Al-Khateeb, Faisal Ibrahim Zeineldin, Nagat Ahmed Elmulthum, Khalid Mohammed Al-Barrak, Muhammad Naeem Sattar, Tagelsir Ahmed Mohammad and Akbar S. Mohmand
Water scarcity has necessitated the adoption of water-saving techniques in both protected and non-protected farming. This study aimed to evaluate the performance of a water-saving soilless cultivation technique and compare it to conventional soil-based c...
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Mubarak T. Al-Otaibi, Ahmed I. Rushdi, Najeeb Rasul, Abdulqader Bazeyad, Khalid F. Al-Mutlaq, Saud S. Aloud and Hattan A. Alharbi
Surface sediment samples from Al-Qahma lagoon in the southern part and Al-Wajh lagoon in the northern part of the Red Sea coast of Saudi Arabia were collected by a Van Veen grab sampler to determine the characteristics, distribution, and sources of aliph...
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Yunzhong Chen, Yan Zhao, Yuqin Wang, Xinrui Liu, Xiaofeng Qin, Qiqi Chen, Qilin Zhu, Ahmed S. Elrys, Yanzheng Wu and Lei Meng
Biological nitrogen fixation (BNF) can reduce synthetic N fertilizer application and improve N-use efficiency. However, knowledge about the effect of biochar and water management regimes on soil diazotrophic microorganisms in tropical paddy fields remain...
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Ahmed Mohamed, Ahmed Asmoay, Saad S. Alarifi and Musaab A. A. Mohammed
Forty-eight water samples (30 groundwater and 18 surface water samples) were collected from the study region. Physical and chemical examinations were performed on the water samples to determine the values of various variables. Several graphs, sheets, and...
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Julia Nako, Costas Psychalinos and Ahmed S. Elwakil
A generalized structure for implementing fractional-order controllers is introduced in this paper. This is achieved thanks to the consideration of the controller transfer function as a ratio of integer and non-integer impedances. The non-integer order im...
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Mohammad (Behdad) Jamshidi, Omid Moztarzadeh, Alireza Jamshidi, Ahmed Abdelgawad, Ayman S. El-Baz and Lukas Hauer
The global spread of COVID-19 highlights the urgency of quickly finding drugs and vaccines and suggests that similar challenges will arise in the future. This underscores the need for ongoing efforts to overcome the obstacles involved in the development ...
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Ahmed M. A. Sattar, Abedalkareem Nedal Ghazal, Mohamed Elhakeem, Amgad S. Elansary and Bahram Gharabaghi
In surge protection, low-head profiles are deemed a challenge in pump failure events since they are prone to severe negative pressure surges that require an uneconomical surge vessel volume. A hybrid surge vessel with a dipping tube can provide required ...
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Manal A. Alnaimy, Ahmed S. Elrys, Martina Zelenakova, Katarzyna Pietrucha-Urbanik and Abdel-Rahman M. Merwad
Despite studies focusing on soil substrates (carbon and nitrogen) and heavy metal availability, the impact of diversified parent materials in arid alkaline regions has received little attention. To reveal the influence of parent material, we investigated...
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Mohammed El-Nagar, Khaled Ahmed, Eman Hamdan, Ayman S. Abdel-Khalik, Mostafa S. Hamad and Shehab Ahmed
Proper operation of the grid-tie transformerless converters under unbalanced and distorted conditions entails a precise detection of the frequency and fundamental component of the grid voltage. One of the main problems that could arise during the estimat...
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