Zobrazeno 1 - 10
of 48
pro vyhledávání: '"M.A. Al-Rajhi"'
Autor:
I.I. Suliman, Mohammed Alkhorayef, Dua M. Ali, Abdulaziz S. Alaamer, Lamia H. Salih, D.A. Bradley, M.A. Al-Rajhi
Publikováno v:
Radiation Physics and Chemistry. 160:100-104
Monitoring of staff's radiation exposure in medicine is an important radiation protection task. This study aimed to measure the staff doses in the nuclear medicine (NM) and interventional cardiology (IC) departments in Sudan and assess whether the me
Assessment of health risks from aflatoxins in rice commercialised in Riyadh, Kingdom of Saudi Arabia
Publikováno v:
Quality Assurance and Safety of Crops & Foods. 10:255-260
This study aimed to assess the occurrence and health risk of aflatoxins (AF) in rice imported to Riyadh, Kingdom of Saudi Arabia (KSA). Rice samples (n=41) including long grain white rice (LGW), sh...
Autor:
Nagi I. Ali, M. Y. Abdelgalil, Hajo Idriss, Tahir Elamin Adreani, Isam Salih, Alshfia Osman, M.A. Al-Rajhi, Abdulaziz S. Alaamer
Publikováno v:
Acta Geophysica. 66:673-681
This study shows the assessment of radiation hazard parameters due to terrestrial radionuclides in the soil around artisanal gold mining for addressing the issue of natural radioactivity in mining areas. Hence, the levels 238U, 232Th, 40K and 226Ra i
Gamma / neutron radiation shielding, structural and physical characteristics of iron slag nanopowder
Publikováno v:
Applied Radiation and Isotopes. 170:109606
The current study explores the effectiveness of an iron slag nanopowder (ISNP), which prepared from local iron steel industry, against gamma/neutron shielding. The structural and physical characteristics were experimentally determined. The crystal st
Publikováno v:
Acta Physica Polonica A. 129:1083-1088
Publikováno v:
Journal of Testing and Evaluation. 49:20190694
The effect of iron slag powder (ISP) obtained from the local steel industry as an effective addition to improve the radiation shielding ability of cement paste was evaluated. Ten cement pastes with different ISP-to-cement ratios, up to 90 % by mass o
Autor:
Ibrahim I. Suliman, Lamia H. Salih, Dua M. Ali, Abdulaziz S. Alaamer, M.A. Al-Rajhi, M. Alkhorayef, D.A. Bradley
Publikováno v:
Radiation Physics and Chemistry. 167:108556
Autor:
Amna J. Al-Jabri, Khalid Alzimami, K. Alsafi, I.I. Suliman, Abdulaziz S. Alaamer, M.A. Al-Rajhi
Publikováno v:
Radiation protection dosimetry. 183(4)
This study sought to assess patient and operator eye lens doses in diagnostic coronary angiography (DCA) and percutaneous coronary interventions (PCI) in a University hospital in Oman. Kerma area product (PkA), cumulative air kerma (CAK) and fluorosc
Autor:
M.A. Al-Rajhi, A.M. El-Khayatt
Publikováno v:
Advances in Space Research. 55:1816-1822
Understanding the space radiation environment is critical to future manned lunar missions, and this includes photons. In this paper, the attenuation properties of gamma rays in 20 lunar soil and rocks, found at landing site during the Apollo 17, are
Autor:
M.A. Al-Rajhi
Publikováno v:
Journal of Russian Laser Research. 35:570-581
We develop a general approach to building photon-added generalized Peremolov coherent states (PAGPCSs) and photon-added generalized Barut–Girardello coherent states (PA-GBGCSs) associated to generalized su(1, 1) algebra. We study the problem of com