Results 81 to 90 of about 322,584 (266)

Comparison of X-Ray Attenuation Performance, Antimicrobial Properties, and Cytotoxicity of Silicone-Based Matrices Containing Bi2O3, PbO, or Bi2O3/PbO Nanoparticles [PDF]

Journal of Biomedical Physics and Engineering
Background: Application of the nanomaterials to preparing X-ray shields and successfully treating multiresistant microorganisms has attracted great attention in modern life.Objective: This study aimed to prepare flexible silicone-based matrices ...
Baharak Divband, Zahraa Haleem Al-qaim, Falah H. Hussein, Davood Khezerloo, Nahideh Gharehaghaji   +4 more
doaj   +1 more source

Ontology‐Aligned Structuring and Reuse of Multimodal Materials Data and Workflows Toward Automatic Reproduction

Advanced Engineering Materials, EarlyView.
Reproduction of stacking fault energy calculations from literature with a semi‐automated large language model‐assisted extraction procedure: extraction of simulation protocol, atomistic structures, computational parameters, and reported results, ontology alignment, knowledge graph construction and, finally, recomputation forvalidation.
Sepideh Baghaee Ravari, Abril Azocar Guzman, Sarath Menon, Stefan Sandfeld, Tilmann Hickel, Markus Stricker   +5 more
wiley   +1 more source

Calculation of X‑ray radiation characteristics

Технологія та конструювання в електронній апаратурі, 2008
An algorithm has been developed that makes it possible to calculate the characteristics of X‑ray radiation: spectral resolution, mean energy, homogeneity coefficient, first and second half‑value layers.
S. A. Dushkin, А. М. Kurov, V. A. Odinets, A. N. Orobinskiy   +3 more
doaj  

Particle size-dependent gamma shielding performance of 45B2O3–30BaO–25ZnO glass system

Open Chemistry
This study investigated the glass system 45B2O3–30BaO-25sZnO, with ‘s’ indicating the micro, nano, and micro+nano ZnO particle size. The gamma-ray shielding performance test was performed after the glass preparation process, with the test being conducted
Almuqrin Aljawhara H., Sayyed Mohammed I., Elsafi Mohamed   +2 more
doaj   +1 more source

Impact of concentration of Bi2O3 on gamma ray shielding efficiency of BaTiO3 composite ceramics

Chemical Physics Impact
This study primary goal is to provide information on the structural changes and improved radiation shielding qualities of BaTiO3 (barium titanate) ceramics that have been added to Bi2O3 (bismuth trioxide) compound, which is made using a solid-state ...
Rama Kumar Nodagala, Tejeswara Rao Ponnada, Balaji Rao Ravuri   +2 more
doaj   +1 more source

Symmetry‐Guided Multifunctional Acoustic System Based on Mechanically Actuated Sonic Crystals

Advanced Engineering Materials, EarlyView.
This study presents the design, simulation, and experimental validation of amultifunctional acoustic metamaterial based on rotationally engineered sonic crystals.By tuning cylinder orientations, controllable band gaps and six distinct functionalities—including switching, topological insulation, beam splitting, and logic operations—areachieved ...
Yuanyan Zhao, Sriram Subramanian, Gianluca Memoli   +2 more
wiley   +1 more source

Inverse Identification of Energy‐Dependent Laser Absorptivity in NiTi Laser Powder‐Bed Fusion via Calibrated Melt Pool Simulation

Advanced Engineering Materials, EarlyView.
A combined experimental–computational framework identifies energy‐dependent laser absorptivity for NiTi in laser powder‐bed fusion, applicable to conduction and transition modes. Single‐track experiments and thermofluid smoothed particle hydrodynamics simulations are coupled through inverse analysis of melt pool geometry.
Mohamadreza Afrasiabi, Hadi Moutablaleh, Ignatius A. Setiawan, Mehrshad Mehrpouya   +3 more
wiley   +1 more source

Investigation of the optical and radiation shielding parameters of erbium-doped zinc sodium tungsten borate glass using MCNP5 simulations

Materials Research Express
This study explores the potential of (20Na _2 O+25ZnO+10WO _3 +(60-x)B _2 O _3 +xEr _2 O _3 where x = 0.1, 0.5, 0.7, and 1 mol%) glass for optical and radiation shielding applications, fabricated using the melt quenching method.
Usman Iliyasu, Mohamad Syazwan Mohd Sanusi, Nor Ezzaty Ahmad   +2 more
doaj   +1 more source

Acoustic and Gamma-ray attenuation studies of K2O-PbO-SiO2 glass system

مجلة بغداد للعلوم
Acoustic and gamma ray investigations of K2O-PbO-SiO2 glass system have been carried out to explore their structure and gamma-ray attenuation properties.
Rajinder Singh Kaundal
doaj   +1 more source

Comparison of Triply Periodic Minimal Surface Energy Absorbers Under Uniaxial Compressive Loading

Advanced Engineering Materials, EarlyView.
This study investigates LCD 3D printed Triply Periodic Minimal Surface (TPMS) structures as mechanical energy absorbers. By comparing various base designs and layered combinations under uniaxial compression, it identifies that a Diamond‐Gyroid sandwich structure offers superior performance.
Sergej Grednev, Noah‐Lean Roschlaub, Anne Jung   +2 more
wiley   +1 more source