Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Kadhim RA"'
Autor:
Taha Abrar, Kadhim Rashid O.
Publikováno v:
Open Engineering, Vol 14, Iss 1, Pp 228-52 (2024)
The determination of stopping power and the range of protons present in CH3OH, CH2O, and CO2 was accomplished within the energy range of 0.01–1,000 MeV by employing the Bethe equation and Ziegler equation. The latter two equations utilize quantum m
Externí odkaz:
https://doaj.org/article/43f0d5383f274b25a36f89514e818279
Autor:
Jasim Wejdan A., Kadhim Rashid O.
Publikováno v:
Open Engineering, Vol 14, Iss 1, Pp 2741-53 (2024)
Stopping power, range, and time of proton in water, lung, bladder, and intestinal human tissues are calculated using density functional theory and Beth’s relativistic equation in range of proton energy (0.01–1,000 MeV). The experimental data extr
Externí odkaz:
https://doaj.org/article/3442c466df0d4b37b7f171751470a86e
Publikováno v:
Open Engineering, Vol 14, Iss 1, Pp 113-9 (2024)
In this study, the energy loss, range, and stopping time were calculated using the Bethe theory for protons in germanium and copper materials over an energy range of 0.01–1,000 MeV. The mathematical equations were programmed and implemented using M
Externí odkaz:
https://doaj.org/article/da75c4a3665741b3a6c34bbfeaba046e
Publikováno v:
Journal of Engineering, Vol 29, Iss 12 (2023)
Institutions and companies are looking to reduce spending on buildings and services according to scientific methods, provided they reach the same purpose but at a lower cost. On this basis, this paper proposes a model to measure and reduce maintenanc
Externí odkaz:
https://doaj.org/article/0afeb364f1bd4a459ad95428f4a76bb9
Publikováno v:
Journal of Engineering, Vol 20, Iss 10 (2023)
This paper presents a brief study undertaken for improving the performance of information and communication management of construction projects through investing in information and communication technologies (ICT). The work aims at first to investiga
Externí odkaz:
https://doaj.org/article/fdba801d9d7c4c8c99b9f10088949443
Publikováno v:
Journal of Engineering, Vol 29, Iss 7 (2023)
To finalize any construction investment project, it would be necessary to identify the most significant problems and obstacles that lead to project reluctance and stalling. Unexpected events and conflicts may have disrupted these strategies and impac
Externí odkaz:
https://doaj.org/article/d673f57711944d1196a64da592ee9011
Autor:
Al‑Hasnawy Ruaa. S., Kadhim Rashid O.
Publikováno v:
E3S Web of Conferences, Vol 583, p 04012 (2024)
In this paper, the characteristics of gamma-ray attenuation of various polymers like PTFE, PMMA, POM and PA-6 were measured using the Phy-X/PSD program and the XCOM program for different sources of gamma radiation like 22Na, 55Fe, 60Co, 109Cd, 131I,
Externí odkaz:
https://doaj.org/article/096d58e5f9c549b5948adeba8c43635b
Publikováno v:
Journal of Engineering, Vol 26, Iss 7 (2020)
Construction projects are complicated in nature and require many considerations in contractor selection. One of the complicated interactions is that between performance with the project size, and contractor financial status, and size of projects cont
Externí odkaz:
https://doaj.org/article/38300345e5904fd6b643bdea5310d6d1
Autor:
Kadhim Raheem Erzaij, Ayad Abbas Obaid
Publikováno v:
Journal of Engineering, Vol 23, Iss 11, Pp 30-43 (2017)
Building Information Modeling (BIM) is becoming a great known established collaboration process in Architecture, Engineering, and Construction (AEC) industry. In various cases in many countries, potential benefits and competitive advantages have been
Externí odkaz:
https://doaj.org/article/d75edc7c91034b84aecf83f477870710
Publikováno v:
Journal of Engineering, Vol 22, Iss 9, Pp 55-71 (2016)
Impact of buildings in Iraq and other countries on the environment is obvious; this problem began to take scientific and humanitarian dimensions in order to reduce and eliminate this problem. This impact can be seen through the energy, water and raw
Externí odkaz:
https://doaj.org/article/a4682a4273d24d89ae0c53f7e331662f