Materials Literature
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This paper proposes a new method for estimating the induction motor single-cage model parameters from the manufacturer data. A multidimensional single-objective nonlinear optimization problem is formulated to minimize the deviation between the values of the performance characteristics provided by the manufacturer and…
In this work we present an extensive time of flight neutron diffraction (ToF-ND) study on some Japanese armour components. The experiments were carried out at the INES diffractometer at ISIS, the pulsed neutron source in the UK. In particular, we have studied seven Japanese helmets (kabuto) made between the 16th and 1…
Coir pith, a byproduct of coconut husk is difficult to decompose due to its high lignin and cellulose content. In this study, coir pith was composted with different agro industrial by products such as cow dung, vegetable market waste, poultry waste and microbial consortium. The different treatment combinations used in…
The international OECD/NRC PSBT benchmark has been established to provide a test bed for assessing the capabilities of thermal-hydraulic codes and to encourage advancement in the analysis of fluid flow in rod bundles. The benchmark was based on one of the most valuable databases identified for the thermal-hydraulics m…
Novel hybridnanocomposites were synthesized from modified cellulose acetate butyrate (MCAB)via sol-gel reaction at ambient temperature. The inorganic phase wasintroduced in situ by hydrolysis-condensation of tetraethoxysilane(TEOS) in different concentrations, using an acid catalyst, in the presence oforganic polymer…
Metal-organic frameworks (MOFs) are entities with a repertoire of dynamic functions. With a simple touch of salts, smooth crystals of MOFs can be turned into hairy ones, dramatically enhancing chemisorption of large molecules, i.e., by 120 times. When this process is followed by another round of etching, sequential bi…
The results of an investigation of algae inhabiting granite outcrops of river valleys located in three climatic zones of Ukraine: Polesye (Teterev River), Forest-Steppe (Ros' River), and Steppe (Yuzhnyi Bug River) are presented: 179 species belonging to six divisions of algae (Chlorophyta -108 species, Cyanoprokaryota…
The dissolution of MnS inclusions could induce pitting corrosion in stainless steels, but its dissolution mechanism is poorly understood at the atomic scale. With the help of ab initio molecular dynamics calculations, one inevitable step in the dissolution of MnS is studied by simulating the process of one Mn ion leav…
The role of TiO2 morphological characteristics in the ultimate performance of advanced, light-triggered EVOH–TiO2 nanocomposite films is analyzed using four different inorganic anatase-TiO2 materials obtained from the same initial solid precursor. Morphological variations in the inorganic component lead to differences…
Quantum chemical calculations reveal that ozone is capable of instigating a series of degradative processes in poly(methyl methacrylate). The crux lies in the self-decomposition of 1,2,4-trioxolane, which undergoes a spin intersystem crossing process and O-O bond cleavage to unravel a triplet biradical intermediate th…
Amorphous carbon (a-C) thin films have been synthesized by microwave (MW) surface wave plasma (SWP) chemical vapor deposition (CVD) on n-type silicon and quartz substrates, aiming at the application of the films for photovoltaic solar cells. Argon, acetylene and trimethylboron were used as a carrier, source and dopant…
We present a facile one‐pot synthesis to prepare ternary ZnxCd1−xSe (x = 0.2, 0.5, 0.8, and 1) nanocrystals (NCs) with high emission quantum yield (QY, 45~89%). The effect of Zn content (x) of ZnxCd1−xSe NCs on their physical properties is investigated. The NCs have a particle size of 3.2 nm and face centered cubic st…
In the present article, we have reported the acrylation, peroxide and permanganate treatments of sunn hemp cellulose fibers using acrylic acid, benzoyl peroxide and potassium permanganate, respectively. Effect of acrylic acid, benzoyl peroxide and potassium permanganate on surface morphology, thermal stability and cry…
In this report, we systematically studied low temperature fabrication of graphene from precursors containing cyclobenzene groups by remote plasma enhanced chemical vapor deposition. A new three-step growth procedure was developed with good control of the nucleation, domain growth and domain connection stages. Based on…
Supramolecular metal complexes formed through hydrogen bonding between tris(3,4,5-decyloxy)stilbazole and several metallo-organic acids of the type [Au(R)(CNC6H4CO2H)] (R = C6F5, C6F4OC10H21), [cis-[MCl2(CNC6H4COOH)2] and [trans-[MI2(CNC6H4COOH)2] (M = Pd, Pt) have been synthesized. All the supramolecular palladium an…
The unidirectional growth and dissolution at the opposite and hemihedral faces of the polar crystals from vapour phase is an important and unresolved problem till date. Here, we report periodic density functional total energy calculations to elucidate the mechanism of growth and dissolution at the opposite and hemihed…
The compound [Fe(tzpy)2(NCSe)2] (tzpy = 3-(2-pyridyl)-[1,2,3]triazolo[1,5-a]pyridine)) has been synthesized and its crystal structure, magnetic behavior and calorimetric properties investigated. Samples constituted of single crystals of [Fe(tzpy)2(NCSe)2] display a relatively cooperative spin-state change centered at…
The conformational effects of lysine-rich peptides on the biomineralization of TiO2 were investigated. The biomineralization activity of the peptide was dependent on the spatial proximity of the amino groups, which is determined by the secondary structure.
Dendrimers are hyperbranched and perfectly defined macromolecules, constituted of branches emanating from a central core in an iterative fashion. Phosphorhydrazone dendrimers constitute a special family of dendrimers, possessing one phosphorus atom at each branching point. The internal structure of these dendrimers is…
NiO and CuO nanoparticles were synthesized by sol-gel method fro m n ickel n itrate and copper nitrate respectively. For the synthesis processes, respective nitrate is used as precursor and ethanol is used as solvent. The obtained gels were dried at 300℃. The dried gels of both the samples were mixed into 1:1 ratio an…