Zobrazeno 1 - 10
of 678
pro vyhledávání: '"Omar A Hussein"'
Autor:
Omar Ali Hussein Muhammad
Publikováno v:
دراسات وبحوث التربية الرياضية, Vol 34, Iss 3 (2024)
هدفت الدراسة الى : التعرف على تأثير اسلوب التكرارات المرتفعة على تحمل القوة وبعض المتغيرات الكيموحيوية والأداء المهاري للاعبي الكرة الط
Externí odkaz:
https://doaj.org/article/edde2ccf9d684e929baf46208d8ee2a5
Publikováno v:
Cogent Economics & Finance, Vol 12, Iss 1 (2024)
The pressing issue of environmental degradation underscores the urgent need for collective action to preserve and restore our planet’s delicate balance. This study investigates the relationships between environmental degradation, globalization, ren
Externí odkaz:
https://doaj.org/article/524590f649cc4cedadb36d97f9a26321
Autor:
Ayman H. Ahmed, Ibrahim O. Althobaiti, Ebtsam K. Alenezy, Yazeed M. Asiri, Sobhy Ghalab, Omar A. Hussein
Publikováno v:
Molecules, Vol 29, Iss 17, p 4239 (2024)
A condensation reaction of salicylic acid with formaldehyde in the presence of sulfuric acid led to the synthesization of the bis(2-hydroxy-3-carboxyphenyl)methane (BHCM) ligand, which was subsequently allowed to bind with nickel (II) ions. In light
Externí odkaz:
https://doaj.org/article/03ee9ce867eb48e28cbaa92dae1d3987
Autor:
AM Ahmed Alwaise, Mohamed A Alrashedi, Awad E Mohammed, Abdullah I Ibrahim, Omar Abed Habeeb, Sfoog H Saleh, Mahmod A Abdulqader, Omar A Hussein
Publikováno v:
Energy Exploration & Exploitation, Vol 42 (2024)
One of the main sources of crude oil and product losses in refineries is the storage tanks. The lightest hydrocarbons in these tanks evaporate during operation, causing not only a loss of the precious raw hydrocarbon material but also a source of dan
Externí odkaz:
https://doaj.org/article/54811e09888e40bf8ca50d3eb6963e64
Autor:
Nahid Punjani, Omar Al-Hussein Alawamlh, Soo Jeong Kim, Carolyn A. Salter, Gal Wald, Miriam Feliciano, Nicholas Williams, Vanessa Dudley, Marc Goldstein
Publikováno v:
The World Journal of Men's Health, Vol 41, Iss 2, Pp 382-389 (2023)
Purpose: To examine trends of population-level semen quality over a 20-year period. Materials and Methods: We performed a retrospective review of data from the andrology lab of a high volume tertiary hospital. All men with semen samples between 200
Externí odkaz:
https://doaj.org/article/9b2048dca46340039ab9074eb22649d5
Publikováno v:
Journal of Ecological Engineering, Vol 24, Iss 4, Pp 172-183 (2023)
In most countries, controlled landfills are currently the most common disposal method for municipal solid wastes (MSWs). Despite many benefits, the generation of heavily contaminated leachate with substantial differences in both chemical composition
Externí odkaz:
https://doaj.org/article/cb48ac0bb3284749aed2367bc8b8eaad
Autor:
Hai Tao, Omer A. Alawi, Omar A. Hussein, Waqar Ahmed, Mahmoud Eltaweel, Raad Z. Homod, Ali H. Abdelrazek, Mayadah W. Falah, Nadhir Al-Ansari, Zaher Mundher Yaseen
Publikováno v:
Engineering Applications of Computational Fluid Mechanics, Vol 17, Iss 1 (2023)
Recent technological advances have made it possible to produce particles with nanometer dimensions that are uniformly and steadily suspended in traditional solar liquids and have enhanced the impact of thermo-physical parameters. In this research, a
Externí odkaz:
https://doaj.org/article/223b2338e48e41e894a990ad56107d66
Autor:
Ayman H. Ahmed, Ibrahim O. Althobaiti, Marwah Aljohani, Ehab S. Gad, Yazeed M. Asiri, Omar A. Hussein
Publikováno v:
Crystals, Vol 14, Iss 1, p 88 (2024)
Formaldehyde, sulfuric acid and salicylic acid were combined to create a 3,3′-methylenebis(2-hydroxybenzoic acid) (MHB) ligand, which was subsequently permitted to bind with zinc(II) ions. The ligand and its zinc(II) complex (Zn–MHB) have been de
Externí odkaz:
https://doaj.org/article/19607a99172041dabc93580cc652ffe4
Autor:
Mahmoud Eltaweel, Aya H. Heggy, Zaher Mundher Yaseen, Omer A. Alawi, Mayadah W. Falah, Omar A. Hussein, Waqar Ahmed, Raad Z. Homod, Ali H. Abdelrazek
Publikováno v:
Energy Reports, Vol 8, Iss , Pp 10533-10545 (2022)
In recent studies, Thermo-Electric Coolers (TEC) have been utilized for dehumidification purposes, which is mainly based on the extraction of moisture from humid atmospheric air. The reviewed literature showed that the rate of water collection from t
Externí odkaz:
https://doaj.org/article/54de5f20fa144e43bad109f043646334
Autor:
Hai Tao, Omer A. Alawi, Omar A. Hussein, Waqar Ahmed, Ali H. Abdelrazek, Raad Z. Homod, Mahmoud Eltaweel, Mayadah W. Falah, Nadhir Al-Ansari, Zaher Mundher Yaseen
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-24 (2022)
Abstract Covalent and non-covalent nanofluids were tested inside a circular tube fitted with twisted tape inserts with 45° and 90° helix angles. Reynolds number was 7000 ≤ Re ≤ 17,000, and thermophysical properties were assessed at 308 K. The p
Externí odkaz:
https://doaj.org/article/439d315b571b4e48af71d52e084d01b8