Materials Literature
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Studies carried out on the roads of the Kiev Metro have shown that the number of defects of contact-fatigue origin, the appearance of which leads to a reduction in the length of operation of railways rails, tends to increase. Despite numerous research of the wheel-rail interaction [3-8] and efforts to optimize the spe…
1. HAYDEN H.H. 1904. The Geology of Spiti with parts of Bashahr and Rupshu. Memoirs Geol. Surv. India, 36: 1–121. Google Scholar
Co-Cr-Mo alloy is a material that widely used for bioimplant in the medical field due to its corrosion resistance and mechanical properties . Structurally, recommended Co-Cr-Mo alloys for medical applications are ɣ-Co phase which has an FCC structure . But, Co 7 Mo 6 metastable phase often occurs after its synthesis .…
The search for precursors that are bio-based, renewable and biodegradable has attracted significant. Recently, nano-crystalline cellulose (NCC) has been considered as a potential precursor for the production of carbon fibre. However, its crystallinity and strong hydrogen bonding in the NCC structure prevents it from b…
We have investigated the ionic conductivity and dielectric relaxation in Li 2 B 4 O 7 (LBO) and Li 2 OB 2 O 3 -Ta 2 O 5 (LBTO) glasses. The sample was synthesized by using the melt quenching method. The frequency dependence of the electrical data from the LBO and LBTO glasses has been analyzed in the frameworks of the…
Zur Steigerung der mechanischen Eigenschaften sowie der Lebensdauer einer Bolzenverbindung im Vergleich zu herkömmlichen glasfaserverstärkten Kunststoffen (GFK) werden im Rahmen dieser Arbeit multifunktionelle Fasermetalllaminate (FML) mit permeablen und oberflächenbehandelten Metallschichten untersucht. Darüber hinau…
A high impact review journal which boasts an international readership, Current Opinion in Rheumatology offers a broad-based perspective on the most recent and exciting developments within the field of rheumatology. Published bimonthly, each issue features insightful editorials and high quality invited reviews covering…
We start from the incredible insight by Korringa in 1947 that the multiple scattering theory, previously used to treat the scattering of x-rays and sound waves by an array of scatterers, can also be used to study stationary states. The evolution of the theory into an efficient and practical method for calculating the…
We analyzed the deep-trap states of GaN/InGaN ultraviolet light-emitting diodes (UV LEDs) before and after electrical stress. After electrical stress, the light output power dropped by 5.5%, and the forward leakage current was increased. The optical degradation mechanism could be explained based on the space-charge-li…
Silver nanoparticles (Ag NPs) are prepared with an aid of a facile chemical route. The prepared Ag NPs are stabilized by making nanocomposite with aqueous polymer in view of its practical application. In the present study, polymers, such as chitosan and dextran (Cts/Dx) are used for making composite owing to their imm…
This is a theoretical study of quantum stationary states and thermodynamics of two exactly solvable quantum models: a finite XX-chain with an “offshoot” that is connected via ZZ-interaction (Ising) to one of the chain nodes, and two different finite XX-chains joined through an additional ZZ-spin. It is shown that the…
I In October 2018 a unique experiment related to the problem of zero-gravity biotissue growth was to be carried out.The «3D-bioprinter» developed by Russian scientists and a biomaterial folding were loaded in the «Soyuz MS-10» spacecraft orbital module.But an emergency situation led to the serious deformation of the o…
In this work, magnetic Ni nanowire arrays were ac-pulse electrodeposited into the anodic aluminum oxide (AAO) template fabricated by the common two-step anodization technique. The barrier layers at the bottom of the pores were exponentially thinned in a non-equilibrium anodization process to 8, 12, 16 and 20 V. These…
This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy). This article has been retracted at the request of the authors. The authors have plagiarized part of Dr. Blair's Ph.D. Thesis that had already appeared in Starthprints, http://strathprint…
Characterisation of Electrospun Electrodes for Redox Flow Batteries: Redox flow batteries represent a possible grid-scale energy storage solution, having the ability to decouple power and energy and suffering from less extreme degradation issues compared to other technologies such as lithium ion batteries. Currently,…
In this study, the flexural vibration of nanofibers with surface effect in the presence of thermo magnetic field is studied using Modified Timoshenko beam equation. The frequency equations are obtained for nanofiber under surface effect. Numerical calculations are performed and the characteristics of dispersion curves…
Testing Large Ultra-Lightweight Spacecraft. Progress in Aeronautics and Astronautics series – Vol 253Edited by J. A. Banik and C. H. Jenkins American Institute of Aeronautics and Astronautics, Reston, VA, USA 2017. Distributed by Transatlantic Publishers Group, 97 Greenham Road, London, N10 1LN, UK. £116. (20% discoun…
Les constructions soudées sont confrontées à divers mécanismes de défaillance tout au long de leur fonctionnement. Quels sont les divers traitements thermiques, mécaniques et thermomécaniques mis en œuvre afin de rétablir leurs propriétés initiales ?
This paper investigated the potential properties of apple packaging material used as a major ingredient for promoting eco-friendly apple packaging materials. In addition, old newspapers and parchment paper were used as specimens to assess natural behavior of the apple packaging material. The main objective was to dete…
In this paper ,ZnO was mixed by various concentrations (5,10,15,20,25) w% SiO2.The mixture was deposited on glass substrate by laser pulse deposition at room temperature. X-ray results showed that there was a decrease in the peaks of zinc oxide with gradual peaks of the zinc silicate compound at angles 2Ө (25̊,38̊,48̊…