Materials Literature
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Oriental Journal of Chemistry is a peer reviewed quarterly research journal of pure and applied chemistry. It publishes standard research papers in almost all thrust areas of current chemistry of academic and commercial importance. It provides a platform for rapid publication of quality research papers, reviews and ch…
This article reports on electrospun poly(vinyl alcohol) (PVA) modification with lignocellulose nanowhiskers (LCNWs) produced from hemp shives without using harsh preparation steps. LCNWs were obtained by using steam explosion (SE) pretreatment, ball milling, and ultrasonication. Formation of LCNWs was confirmed by ato…
We provide a lens mould to attain an anti-reflection sub-wavelength structure (SWS) for plastic replica in the injection moulding process. To obtain the SWS on the lens mould, platinum nanoparticles formed by decomposition of a platinum oxide were employed. The fabricated platinum nanoparticles were estimated to be 90…
The effects of isovalent doping on orbital ordering in the perovskite ${\mathrm{Y}}_{1\ensuremath{-}x}{\mathrm{La}}_{x}{\mathrm{VO}}_{3}$ were investigated using neutron diffraction and the pair distribution function analysis. ${\mathrm{YVO}}_{3}$ is a prototype for orbital ordering, exhibiting two consecutive transit…
The structure of the novel compound La2MoO5 has been solved from powder X-ray and neutron diffraction data and belongs to the tetragonal space group P4/m (no. 83) with a = 12.6847(3) Å and c = 6.0568(2) Å and with Z = 8. It consists of equal proportions of bioctahedral (Mo2O10) and square prismatic (Mo2O8) dimers, bot…
Improvements in field emission (FE) of graphene sheets were demonstrated by radio frequency magnetron sputtering with magnesium oxide (MgO). Following MgO coating, the turn-on field of graphene sheets is decreased from 6.3 to 3.8 V/μm, and the threshold field is decreased from 9 to 6.5 V/μm. The deposited MgO nanopart…
Greek Research Reactor (GRR-1) is a light-water cooled and moderated heterogonous research reactor with a thermal output of 5 MW. The reactor is in extended shutdown for refurbishment since 2004. The refurbishment plan includes replacement of the Primary Cooling System. The decommissioning strategy consists of dismant…
In this work was investigated the microstructural evolution process of the duplex stainless steel SAF 2205 as-cast after solution annealing treatment. The aim was to detect the effects on the material microstructure by the cooling rate variation. The studied material were submitted to solution anneal at 1100 °C for 24…
Herein, a series of Eu 2+ &Mn 2+ substituted fluorophosphates Ca 6 Gd 2 Na 2 (PO 4 ) 6 F 2 phosphor with apatite structure have been synthesized and investigated by the powder X‐ray diffraction, photoluminescence spectra, fluorescence decay curves, thermal quenching, and chromaticity properties. Particularly, both Eu…
Collection of selected, peer reviewed papers from the 2014 International Conference on Intelligent Mechanics and Materials Engineering (ICIMME 2014), December 27-28, 2014, Shenzhen, China. The 378 papers are grouped as follows: Chapter 1: Materials Science and Processing Technologies, Chemical Processes and Biotechnol…
BACKGROUND: In this study, the tri-peptides Gly-Glu-Tyr (GEY) and Gly-Tyr-Gly (GYG), identified previously as active compounds from the silk peptide E5K6, significantly stimulated basal and insulin-mediated glucose uptake by 3T3-L1 fibroblasts in a dose-dependent manner. RESULTS: Synthetic GEY and GYG peptides at a co…
Validity of mixture rule for dielectrics in series configuration and the correlation between microstructure and electrical properties in bilayered BaTiO 3 /BaTi 1− x Zr x O 3 ceramics were studied. Samples were obtained from BaTi 1− x Zr x O 3 ( BTZ x ) nanopowder synthesized by the polymeric precursor technique and h…
Atomic-scale surface steps play an important role in the mechanical behaviors of nanoparticles. Both molecular dynamics and finite element simulations are performed to investigate the elastic compression of copper nanoparticles. When surface steps are taken into account, the finite element calculation predicts the sam…
Una de las alternativas para el aprovechamiento de la biomasa es a través de los biocombustibles sólidos generados mediante procesos de densificación de mezclas carbón-aserrín; sin embargo, la densidad final y el grado de cohesión de estos sólidos varían dependiendo de características tales como cantidad de carbón en…
The high coercivity region of the Nd-Fe-B and Sm-Co phase diagrams is discussed. Slow cooling heat treatments may eliminate lattice defects, which are responsible for nucleation of reverse magnetization. The concept of diffusion length can be used for the design of heat treatments. Analytical formulas for calculation…
A novel method was developed to convert complex polymer organic waste into polyhydroxyalkanoates (PHAs). Palm oil mill effluent (POME) was used as carbon source within this study. The designed laboratory scale system includes two coupled reactors; an anaerobic fermenter for volatile fatty acids (VFAs) production follo…
Carbon fibers have been studied for electrochemical applications. Recently, carbon nanotubes present a wide potential uses in electric, mechanic, electrochemical and materials science field. At present study, vertically aligned carbon nanotubes were produced over carbon fibers. The process occurs catalytically by chem…
The coercivity in soft and hard magnetic materials has different origin. The high coercivity of barium ferrite, SmCo5, Sm2Co17 or Nd2Fe14B is due to high magnetocrystalline anisotropy, and the processing aims very small grain size (nanocrystalline). In the case of soft magnetic materials, the coercivity has origin in…
The hardness, and corrosion behaviour of ferromanganese modified Cu-Al alloys in selected industrial and biological fluids has been investigated. Cu-Al alloys containing approximately 12wt% Al were produced by casting with varied lean additions of ferromanganese ranging from 0.1 – 0.4 wt% of the charge. The alloys wer…
The VO2 (B) was synthesized via a simple solvothermal route at 160oC in ethanol. The initial discharge capacity of VO2 (B) anode, in saturated aqueous solution of LiNO3, was 177 mAh g-1 at a current rate of 50 mA g-1. After 50 cycles capacity fade was 4%, but from 20th-50th cycle no capacity drop was observed. The VO2…