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Barium–borate–flyash glasses: As radiation shielding materials
Abstract The attenuation coefficients of barium–borate–flyash glasses have been measured for γ-ray photon energies of 356, 662, 1173 and 1332 keV using narrow beam transmission geometry. The photonExpand
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On the effective atomic number and electron density: A comprehensive set of formulas for all types of materials and energies above 1 keV
A comprehensive and consistent set of formulas is given for calculating the effective atomic number and electron density for all types of materials and for all photon energies greater than 1 keV. TheExpand
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Influence of addition of Al2O3 on physical, structural, acoustical and in-vitro bioactive properties of phosphate glasses
Four different formulations of phosphate glasses in the system P2O5–CaO–Na2O–Al2O3 were developed. The elastic moduli have been obtained using the known method at room temperature. TheirExpand
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Buildup of gamma ray photons in flyash concretes: A study
Abstract The gamma ray buildup factors of flyash concretes have been calculated by using Geometrical Progression formula in the energy region of 0.015–15 MeV as well as up to a penetration depth ofExpand
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Structural and acoustic investigations of calcium borate glasses
Acoustic and structural properties of x CaO · (1–x ) B2O3 (0.2 ≤ x ≥ 0.7) glass system have been studied at ambient temperature. The ultrasonic velocity and attenuation for different compositions ofExpand
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Soluble Borate Glasses: In Vitro Analysis
In vitro bioactivity of borate glasses with composition xNa2O·xCaO·2xB2O3 (where x is in wt%=24.8, 24.2, 23.8, 23.2) containing 0, 2, 4, 6 wt% P2O5 has been investigated by soaking them in aExpand
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Compositional dependence of in-vitro bioactivity in sodium calcium borate glasses
Abstract Borate glasses with composition x CaO (100− x ) B 2 O 3 (20≤ x ≤50), where x is in mole percent) and 50CaO·45B 2 O 3 ·5Na 2 O have been prepared using conventional melt quench technique.Expand
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Spectroscopic investigations of Nd3+ doped flouro- and chloro-borate glasses.
Spectroscopic and physical properties of Nd3+ doped sodium lead flouro- and chloro-borate glasses of the type 20NaX-30PbO-49.5B2O3-0.5Nd2O3 (X=F and Cl) have been investigated. Optical absorptionExpand
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The effective atomic number revisited in the light of modern photon-interaction cross-section databases.
The effective atomic number, Z(eff), has been calculated for fatty acids and cysteine. It is shown that Z(eff) is a useful parameter for low-Z materials at any energy above 1 keV. Absorption edges ofExpand
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Radiation effects on PbO–Al2O3–B2O3–SiO2 glasses by FTIR spectroscopy
Abstract The infrared absorption spectra of PbO–Al2O3–B2O3–SiO2 glasses have been measured in the spectral range 600–4000 cm−1 before and after absorbed dose of 50 Gy, 4 kGy and 50 kGy to investigateExpand
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