Browsing Materials Science & Technology by Title
Now showing items 54-73 of 293
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Eco-friendly highly efficient BN/rGO/TiO2 nanocomposite visible-light photocatalyst for phenol mineralization
( Springer , 2021 , Article)Boron nitride (BN) and reduced graphene oxide (rGO) of different loadings were composited with commercial P25 TiO2 (Ti) through the hydrothermal method. The as-prepared nanocomposites were characterized using various ... -
Edge Maximal C2k+1-edge Disjoint Free Graphs
( University of Zielona Gora , 2012 , Article)For two positive integers r and s, G(n;r,s) denotes to the class of graphs on n vertices containing no r of s-edge disjoint cycles and f(n;r,s) = max{E(G):G ∈ G(n;r,s)}. In this paper, for integers r ≥ 2 and k ≥ 1, we ... -
Edge-maximal -free non-bipartite Hamiltonian graphs of odd order
( Taylor and Francis Ltd. , 2022 , Article)Let (Formula presented.) denote the class of non-bipartite graphs on n vertices containing no (Formula presented.) -graph and (Formula presented.) Let (Formula presented.) denote the class of non-bipartite Hamiltonian ... -
Edge-maximal graphs without θ 7 -graphs
( Tokyo University of Science , 2011 , Article)Let G(n; θ2k+1, ≥ δ) denote the class of non-bipartite θ2k+1-free graphs on n vertices and minimum degree at least δ and let f (n; θ2k+1, ≥ δ) = max{ε(G): G ∈ G(n; θ2k+1, ≥ δ)}. In this paper we determinj an upker bound ... -
Edge-Maximal Graphs Without θ2k+1-Graphs
( Taylor and Francis Ltd. , 2014 , Article)Let σ(n; θ2k+1) denote the class of non-bipartite graphs on n vertices having no θ2k+1- graph and f(n; θ2k+1) = max{ ε(G): G ∊ σ (n; θ2k+1)}. In this paper we determine f(n; θ2k+1), by proving that for k ≥ 4 and n ≥ 36k. ... -
Edge-Maximal θ2k+1-Edge Disjoint Free Graphs
( Kyungmoon Publishing , 2014 , Article)For two positive integers r and s, G(n; r; θs) denotes to the class of graphs on n vertices containing no r of edge disjoint θs-graphs and f(n; r; θs) = max{E(G) : G ∈ G(n; r; θs)}. In this paper, for integers r, k ≥ 2, ... -
Effect of anions on the structural, morphological and dielectric properties of hydrothermally synthesized hydroxyapatite nanoparticles
( Springer Nature , 2020 , Article)Synthetic nano hydroxyapatites (HA) have been considered as potential biomaterials for bone tissue engineering applications because of its excellent biological properties. The present work deals with the synthesis of HA ... -
Effect of cerium doping on the optical and photocatalytic properties of ZnO nanoflowers
( Indian Academy of Sciences , 2019 , Article)Photocatalytic performances of the synthesized cerium doped (Ce-doped) ZnO nanoflowers are reported in this work. A microwave-assisted sol–gel method is adopted for the synthesis of the nanomaterial and its structural and ... -
Effect of corona treatment on adhesion enhancement of LLDPE
( Elsevier B.V. , 2018 , Article)Polymers/metal laminates are often used to improve physical and mechanical properties, especially those required in building applications. A flat aluminum composite panel (ACP) consisted mainly of two thin metal sheets ... -
Effect of flow-induced shear stress in nanomaterial uptake by cells: Focus on targeted anti-cancer therapy
( MDPI , 2020 , Article)© 2020 by the authors. Licensee MDPI, Basel, Switzerland. Recently, nanomedicines have gained a great deal of attention in diverse biomedical applications, including anti-cancer therapy. Being different from normal tissue, ... -
The effect of graphene on the activation energy of grain growth for the nanocrystalline thermoelectric n‑type Bi2Te2.7Se0.3
(2022 , Article)Even though bismuth telluride is frequently produced by mechanical alloying for thermoelectric materials, no data has been published addressing the thermal behavior and activation energy of the milled n-type Bi2Te2.7Se0.3 ... -
Effect of graphene on thermal stability of tin selenide
( Elsevier , 2022 , Article)The thermal stability of polycrystalline tin selenide (SnSe) is essential for its long-term applications. In this study, the thermo-mechanical stability of hot compacted polycrystalline SnSe and SnSe/graphene nanocomposite ... -
The effect of graphene structural integrity on the power factor of tin selenide nanocomposite
( Elsevier , 2021 , Article)Tin selenide graphene nanocomposites (SnSe/GNPs) were fabricated with high-energy ball milling and hot pressing by varying the milling time of graphene. The effect of ball milling time on the graphene integrity and the ... -
The Effect of the Milling Vial Shape on the In-Situ Consolidation of a Nanocrystalline Al-Li-GNPs Nanocomposite Synthesized by Room Temperature Ball-Milling
( Frontiers Media , 2022 , Article)Several studies investigating the ball-milling of ductile face-centered cubic metals have reported a so-called in-situ consolidation phenomenon where the milled powder is also consolidated during the milling process. Thus, ... -
Effect of two types of graphene nanoplatelets on the physico-mechanical properties of linear low-density polyethylene composites
( Taylor and Francis Ltd. , 2016 , Article)The influence of two types of graphene nanoplatelets (GNPs) on the physico-mechanical properties of linear low-density polyethylene (LLDPE) was investigated. The addition of these two types of GNPs - designated as grades ... -
The effects of structural integrity of graphene on the thermoelectric properties of the n-type bismuth-telluride alloy
( Elsevier , 2021 , Article)This study examines the effects of the structural integrity of graphene on the thermoelectric properties of n-type bismuth telluride alloy. Graphene/Bi2Te2.7Se0.3 composites were prepared via mechanical alloying and spark ... -
Efficient machine-learning model for fast assessment of elastic properties of high-entropy alloys
( Elsevier , 2022 , Article)We combined descriptor-based analytical models for stiffness-matrix and elastic-moduli with mean-field methods to accelerate assessment of technologically useful properties of high-entropy alloys, such as strength and ... -
Electrical Conductivity Behavior of Biopolymer Composites
( Elsevier Inc. , 2017 , Book chapter)Interest in the study of biopolymer system has been continuously growing as a result of a variety of promising applications such as in electronics, medicine, food packaging, bioplastics, and coating. Characteristics such ... -
Electrical properties of graphene polymer nanocomposites
( Springer International Publishing , 2015 , Book chapter)Graphene, a monolayer of sp2 hybridized carbon atoms arranged in a two dimensional lattice has attracted electronic industrial interest due to its exceptional electrical properties. One of the most promising applications ... -
Electrically conductive electrospun polymeric mats for sensing dispersed vegetable oil impurities inwastewater
( MDPI AG , 2019 , Article)This paper addresses the preparation of electrically conductive electrospun mats on a base of styrene-isoprene-styrene copolymer (SIS) and multiwall carbon nanotubes (CNTs) and their application as active sensing elements ...