Zobrazeno 1 - 10
of 433
pro vyhledávání: '"M. A. Yousef"'
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-15 (2022)
Abstract In this work, orbits of Lorentz spacecrafts and satellites are investigated under the perturbation of solar radiation pressure. An attempt is made to control the perturbation of the solar radiation pressure using the effect of Lorentz force
Externí odkaz:
https://doaj.org/article/23d32a5d200d437aadc3044c831caef0
Publikováno v:
International Journal of Aerospace Engineering, Vol 2023 (2023)
In this work, the average effects of the Lorentz acceleration on the charged spacecraft’s orbit are studied encounter with relativistic correction. The relativistic correction as function of the orbital elements, and may be time, is formulated. Lag
Externí odkaz:
https://doaj.org/article/31c16a7c745c4ae6b8a69c2ff3f6fd77
Publikováno v:
Advances in Astronomy, Vol 2022 (2022)
The restricted three body problem was outlined. The acceleration due to planetary magnetic field, in terms of space craft’s orbital elements, was analysed. The conditions for calculating the liberation points including the mutual gravitational attr
Externí odkaz:
https://doaj.org/article/79ff585728134204b7ac097920024c56
Autor:
Hanan M. Al-Yousef, Ali S. Alqahtani, Afaf E. Abdel Ghani, Sayed A. El-Toumy, Wagdi I.A. El-Dougdoug, Wafaa H.B. Hassan, Hanaa M. Hassan
Publikováno v:
Arabian Journal of Chemistry, Vol 13, Iss 11, Pp 7843-7850 (2020)
In continuation of our work on genus Euphorbia, the phytochemical investigation of ethyl acetate fraction of the aerial parts of Euphorbia geniculata Ortega (Eg) family Euphorbiaceae revealed the isolation and identification of eight polyphenolic com
Externí odkaz:
https://doaj.org/article/db89c0d0bdcd471c805e7ed23f6bc56d
Autor:
Sahar Abdelaziz, Hanan M. Al Yousef, Ali S. Al-Qahtani, Wafaa H.B. Hassan, Omer I. Fantoukh, May A. El-Sayed
Publikováno v:
Saudi Pharmaceutical Journal, Vol 28, Iss 9, Pp 1129-1137 (2020)
Parkinsonia aculeata L. growing in Saudi Arabia was investigated for its phytochemical profile, antioxidant, and cytotoxic properties. UPLC-ESI-MS/MS was employed as a powerful technique for the characterization of secondary metabolites from a hydroa
Externí odkaz:
https://doaj.org/article/305962cf08b1426da1e24bce85b0346b
Publikováno v:
Journal of Ayurveda and Integrative Medicine, Vol 10, Iss 4, Pp 290-293 (2019)
Massage therapy (MT) is the physical manipulation of the soft tissues. It primarily consists of manual or hands-on techniques such as applying fixed or movable pressure, holding, and moving muscles and body tissues. MT is beneficial for pain relief,
Externí odkaz:
https://doaj.org/article/920f2a52ee914ea2b230fb294c0d6c9e
Publikováno v:
Saudi Pharmaceutical Journal, Vol 27, Iss 5, Pp 664-672 (2019)
Quorum sensing is an important regulatory factor of P. aeruginosa virulence induction such as BF, motility, formations of proteases, pyocyanin, and some toxins. The aim of the current study is to detect the effect of the pet.ether extract from onion
Externí odkaz:
https://doaj.org/article/98825dc796da43a384525d81592b6428
Publikováno v:
Arabian Journal of Chemistry, Vol 12, Iss 3, Pp 377-387 (2019)
Polyphenolic constituents and chromatographic fingerprint of the aqueous fraction obtained from the ethanolic extract of the aerial parts of Parkinsonea aculeata L. growing in Saudi Arabia were investigated for the first time using UPLC-ESI/MS/MS in
Externí odkaz:
https://doaj.org/article/00edb4a32411401cac0289cb1a94082e
Publikováno v:
Journal of the Egyptian Public Health Association, Vol 94, Iss 1, Pp 1-9 (2019)
Abstract Background Unintended pregnancies may be mistimed or unwanted. It represents 40% of all pregnancies, and it had multiple risky health outcomes. It is essential to understand the factors affecting unintended pregnancies and their consequences
Externí odkaz:
https://doaj.org/article/2e23dcd37bde4c1ebc3ebb5d66157722
Publikováno v:
The Egyptian Journal of Internal Medicine, Vol 31, Iss 4, Pp 922-926 (2019)
Background Serum osteoprotegerin (OPG) is a marker of cardiovascular disease. The deterioration of renal function in diabetic patients could be predicted by OPG concentrations, and it was suggested that OPG could be used as a risk marker for chronic
Externí odkaz:
https://doaj.org/article/15e1e7c9dbdf4ad1b52b09e2618af8b7