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Generalized Fuzzy Ideal Closed Sets on Fuzzy Topological Spaces in Sostak Sense
Yasser M. Saber,Fahad Alsharari 한국지능시스템학회 2018 INTERNATIONAL JOURNAL of FUZZY LOGIC and INTELLIGE Vol.18 No.3
Recently, El-Naschie has shown that the notion of fuzzy topology may be relevant to quantum paretical physics in connection with string theory and E-infinity space time theory. In this paper, we define concept r-generalized fuzzy ideal closed sets with respect to an fuzzy ideal topological space in Sostak sense. We investigate some properties of them, we investigate the relationships between r-generalized fuzzy ideal closed sets with respect to an ideal and r-fuzzy separated.
Shams A.M. Issa,Yasser B. Saddeek,H.O. Tekin,M.I. Sayyed,Khamies saber Shaaban 한국물리학회 2018 Current Applied Physics Vol.18 No.6
Several physical parameters such as the packing density (PD), oxygen molar volume (OMV), oxygen packing density (OPD) and the elastic moduli of the quaternary glass system xPbO-(30-x)SiO2-46.67B2O3-23.33Na2O (x = 0, 5, 10 and 15 mol%) have been evaluated. The elastic moduli were computed according to Makishima-Mackenzie model and Rocherulle model. The values of these moduli have been compared to their experimental values. Moreover, different shielding parameters such as mass attenuation coefficients (MAC), half value layer (HVL), mean free path (MFP), effective atomic numbers (EAN), effective electron densities (EED) and buildup factors have been evaluated using the WinXcom program in the energy range 0.015–15 MeV for the quaternary studied glass system. The MAC values have been compared with MCNPX (version 2.6.0) Monte Carlo code. Besides, mass stopping power (MSP) for proton, alpha and electron as well as the removal cross section for fast neutron (∑R) have been calculated. The results observed that the composition has the highest value of PbO (15 mol %) showed excellent nuclear radiation shielding and elastic properties.