Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Shaik Kareem Ahmmad"'
Publikováno v:
Open Ceramics, Vol 16, Iss , Pp 100493- (2023)
Bismuth borate cadmium zinc glasses were prepared using melt quenching technique for shielding applications. The glasses had the composition (80-x)B2O3-xBi2O3-10CdO-10ZnO, where 0 (HVL)5 > (HVL)10 > (HVL)15 > (HVL)20. The Radiation Protection Effecti
Externí odkaz:
https://doaj.org/article/86b0085f19ba431c87be778c109be9ae
Publikováno v:
Journal of Inorganic and Organometallic Polymers and Materials
Machine learning techniques have been employed to predict the glass densities of xBi2O3–(70 − x)B2O3–20Li2O–5Sb2O3–5ZnO glasses using a data set of 2000 various B2O3 rich glasses using their chemical composition and ionic radius. The experi
Autor:
Basheer Ahmed, Syed Ferhatullah Hussainy, Syed Taqi Uddin Ahmed, Shaik Kareem Ahmmad, Nameera Jabeen
Publikováno v:
Ceramics International. 47:30172-30177
Artificial Intelligence techniques have been employed for the first time to train a dataset of 1258 distinct fluoride glasses collected from published literature to predict the density of novel oxy-fluoro glasses based on their chemical composition a
Publikováno v:
Ceramics International. 47:7946-7956
A comprehensive study to perform glass density prediction employing artificial intelligence using a dataset of 6630 oxide glass samples. The prediction is done based on Ionic packing ratio as the independent variable and experimental densities from t
Autor:
Shaik Kareem Ahmmad, Salavadi Stalin, Avula Edukondalu, M.A. Samee, Syed Rahman, Shaik Amer Ahmed
Publikováno v:
Glass Physics and Chemistry. 47:104-117
In the present study glass samples of (40 – x)Li20 · xNa2O · 10K2O · 50B2O3 and (40 ‒ x)Li2O · xK2O · 10Na2O · 50B2O3 (0 ≤ x ≤ 40 mol %) were prepared by melt quench technique. The cut-off wavelength varies non-linearly when Li2O is rep
Autor:
Norah A.M. Alsaif, Shaik Kareem Ahmmad, Z.Y. Khattari, A.M. Abdelghany, Adel M. El-Refaey, Y.S. Rammah, M.S. Shams, R.A. Elsad
Publikováno v:
Optical Materials. 137:113599
Autor:
Z.A. Alrowaili, A.A. El-Hamalawy, Shaik Kareem Ahmmad, S.V.S. Bhadra Lasya, M.S. Al-Buriahi, Y.S. Rammah
Publikováno v:
Optical Materials. 135:113338
Publikováno v:
Journal of the Australian Ceramic Society. 57:185-194
We have implanted xZnF2–(20-x)ZnO–40As2O3–40TeO2 (x = 4 and 20 mol%) glasses with nitrogen ions at different doses. The glass samples were characterized by Rutherford backscattering spectrometry for the concentration depth profiles of the impla
Publikováno v:
Chinese Journal of Physics. 66:517-526
MgO-Li2O-Bi2O3-B2O3 glasses were prepared by melt quench technique and analyzed with the help of refractive index, optical, IR, and Raman spectroscopy studies. The present glasses exhibited the mixed modifier effect (MME) through refractive index cha
Structural, optical features and gamma ray shielding properties of Bi2O3–TeO2–B2O3-GeO2 glass system
Autor:
Rahman Syed, Avula Edukondalu, Salavadi Stalin, Shaik Kareem Ahmmad, D.K. Gaikwad, A. A. Joshi, M.A. Samee
Publikováno v:
Ceramics International. 46:17325-17334
Bi2O3–TeO2–B2O3-GeO2 quaternary glass system was prepared using a conventional melt quenching technique. The amorphous nature of prepared glasses was confirmed by X-ray diffraction measurement. The effect of Bi2O3 content on the B–O network str