Zobrazeno 1 - 10
of 1 589
pro vyhledávání: '"M.I. sayyed"'
Publikováno v:
Nuclear Engineering and Technology, Vol 56, Iss 10, Pp 4050-4055 (2024)
This research intends to utilize melt-quenching technique in order to examine the radiation shielding capability of 10 % Mo, 10 % Na2O, 20 % PbO, and 60 % B2O3 glass system, with varying CaO, TiO2, CuO, Fe2O3 or Mo. XCOM and MCNP simulations were uti
Externí odkaz:
https://doaj.org/article/e38b13fe6ff648bf9a3645fd5581a0ef
Publikováno v:
Nuclear Engineering and Technology, Vol 56, Iss 9, Pp 3558-3565 (2024)
The linear attenuation coefficients (LAC) of four soils (Black cotton (S1), Sandy (S2), Clay (S3), and Sandy (S4)) samples were measured at photon energies released from radioisotopes Co57 (122 keV), Ba133 (356 keV), 22Na (511 and 1275 keV), Cs137 (6
Externí odkaz:
https://doaj.org/article/632295b45e4e4ce684a15701787b5f5c
Studies on structural, optical, thermal and low energy shielding for gamma rays for the ZSBP glasses
Publikováno v:
Nuclear Engineering and Technology, Vol 56, Iss 9, Pp 3796-3803 (2024)
By employing the melt-quenching technique, the ZnO–SrO–B2O3–PbO (ZSBP) glasses have been successfully fabricated. The derivative of Absorption Spectra Fitting (DASF) method was used to study the energy band gap (Eg) of the glasses which decreas
Externí odkaz:
https://doaj.org/article/226ca438b96e40529ef2448ececcb6db
Publikováno v:
Nuclear Engineering and Technology, Vol 56, Iss 8, Pp 3378-3384 (2024)
Investigations were conducted on the addition of barium's impact on the radiation shielding and physical attributes of five different glasses, designated S1–S5, with varying BaO contents. Using two point sources namely Co60 and Cs137 along with a s
Externí odkaz:
https://doaj.org/article/002bce0b68614cf6be8c59217ba33041
Publikováno v:
Nuclear Engineering and Technology, Vol 56, Iss 7, Pp 2437-2443 (2024)
This work synthesized four glass samples with a fixed ratio of PbO to Na2O and a variable ratio of BaO to B2O3. The linear attenuation coefficient (LAC) (μ, cm−1) and additional attenuator parameters were determined experimentally using a semicond
Externí odkaz:
https://doaj.org/article/8550c8f8ad1d49edb43e3428a002d12c
Publikováno v:
Nuclear Engineering and Technology, Vol 56, Iss 7, Pp 2489-2497 (2024)
The current study aims to develop new clay bricks doped with metallic waste for radiation shielding applications. The aforementioned new bricks were fabricated with various metallic waste concentrations under a pressure rate reaching ≈114 MPa and f
Externí odkaz:
https://doaj.org/article/d29f71fce9d84790ad8effa8ccf45132
Publikováno v:
Nuclear Engineering and Technology, Vol 56, Iss 7, Pp 2711-2717 (2024)
The current work aims to fabricate metal oxide-doped (PbO, Fe2O3, MgO, and Al2O3, each of which boasts a purity of 99%) zinc barium borate glasses through the melt quenching technique at the 1000 °C melting temperature. The results showed that addin
Externí odkaz:
https://doaj.org/article/6aed44d22c714587910c24a600d3fbd7
Autor:
U. Rilwan, G.M. Aliyu, S.F. Olukotun, M.M. Idris, A.A. Mundi, S. Bello, I. Umar, A. El-Taher, K.A. Mahmoud, M.I. sayyed
Publikováno v:
Nuclear Engineering and Technology, Vol 56, Iss 7, Pp 2828-2834 (2024)
This research intends to recycle bone and incorporate it into concrete for radiation shielding application using Phy-X/PSD software. Cement, sand and granite were mixed in proportion of 0.5 kg:1 kg:1 kg to obtain sample A. Other concretes composing o
Externí odkaz:
https://doaj.org/article/2e4aac3eeb784a998eb0b2d42010336a
Publikováno v:
Nuclear Engineering and Technology, Vol 56, Iss 7, Pp 2842-2849 (2024)
The amorphous glasses containing PbO, ZnO, MgO, and B2O3 have been fabricated using the melt quenching technique. The structural properties have been analysed using the Fourier-transform infrared (FTIR) and Raman spectroscopy. Derivative of Absorptio
Externí odkaz:
https://doaj.org/article/8c60331ac84140ceb5a22cade8602a09
Publikováno v:
Nuclear Engineering and Technology, Vol 56, Iss 7, Pp 2821-2827 (2024)
This investigation developed a novel polyester composite based on the addition of zinc oxide (ZnO) of different sizes. We prepared nine samples Containing different percentages and sizes of ZnO as well as the control sample (Pol-ZnO0). The attenuatio
Externí odkaz:
https://doaj.org/article/a97e61bea0d343eda87e6de6033a5466