Materials Literature
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A preliminary study on the use of wood and plastic wastes generated in Merida, Mexico to assess their potential for the development of building materials is reported. Composites based on recycled, high-density polyethylene (R-HDPE) loaded with wood particles were prepared. The R-HDPE was collected from Merida's Separa…
The diverse optical properties of colloidal semiconductor nanocrystals, including the linear and non-linear aspects of systems ranging from bulk-like to quantum confined, have been a topic of intense investigation for more than twenty years. However, many of the fundamental issues in these materials remain unresolved.…
A general dependence relating the mole interaction parameters of elements in alloys based on various metals is found using the theory of quasi-regular solutions. This makes it possible to estimate these parameters in alloys based on various metals according to the data for any base, for instance, iron. The adequacy of…
Abstract In this article the moisture effect on deformability of epoxy/montmorillonite nanocomposite was investigated. The change of fracture character and drop of elastic characteristics due to moisture absorption was observed. The estimation of filler morphological peculiarities (platelet stack constitution) in comp…
With rapid development and application of nanotechnology, there is an increasing concern over the environmental fate, behavior, toxicity, exposure and risk of engineered nanomaterials (ENMS). In this review, we presented the release pathways of ENMS into the environment and their potential environmental behavior with…
ABSTRACT Double-walled carbon nanotubes (DWNTs) are expected to be useful as elements in improving conventional polymer-based fibers and films. An extensive molecular dynamics simulation and continuum analyses are carried out to estimate the influence of matrix stiffness and the intertube radial displacements on free…
The structural and electronic properties of XAs (X = Al, Ga, In) under pressure have been investigated using ab-initio pseudo-potential approach within local density approximation in B3→B1→B2 phases. The values of phase transition pressures show reasonably good agreement with the experimental data and better than othe…
Creep behaviour of commercial purity cast magnesium with preferred orientation was examined in compression at 100, 125 and 150°C and 35 and 50 MPa. The as-cast structure is composed of large columnar grains in which prismatic poles are parallel to the longitudinal direction. Cylindrical compression specimens were prep…
The purpose of this research was to make shielding benchmark calculations with the new Standardized Computer Analyses for Licensing Evaluation (SCALE) shielding sequence Monaco with Automated Variance Reduction Importance Calculations (MAVRIC) and compare with SCALE SAS4/MORSE calculations as well as dose rate measure…
Abstract White light reflectance spectroscopy is applied to monitor vapor‐induced thickness changes of polymer films, supported on suitable silicon substrates. Assuming unidirectional swelling due to the constraining support, the equilibrium volume swelling of four methacrylic polymers and two siloxane‐based copolymer…
Article The effect of different polysaccharides on the development of paper strength during drying was published on December 1, 2009 in the journal Nordic Pulp & Paper Research Journal (volume 24, issue 4).
Anticancer drugs have poor efficacy especially against solid tumors that hinder drug penetration into the tumor. Thus, the dose has to be increased, but toxicity is a limiting factor. Local administration of a polymeric biodegradable poly-L-lactic acid (PLA) and poly(L-lactic acid-co-glycolic acid) copolymer (PLGA) im…
We report a multipurpose furnace designed for studies using synchrotron radiation on polycrystalline materials, namely, metals, ceramics, and (semi)crystalline polymers. The furnace has been designed to carry out three-dimensional (3D) x-ray diffraction measurements but can also be used for other types of synchrotron…
The solubility of palladium chloride complexes with organic ligands in supercritical carbon dioxide (SC-CO 2 ) was measured. The possibility of using SC-CO 2 as a working medium for the preparation and regeneration of deposited palladium catalysts was studied. The active catalyst component was deposited from solutions…
Exploration of mass-selected clusters by soft x-ray synchrotron radiation is well suited to receive element specific information on clusters in contact with a support and to systematically follow the evolution of size-dependent electronic and geometrical properties from the smallest clusters toward the bulk. Here we d…
Abstract Optical absorption spectroscopy has the potential to uncover many characteristics of Fe-bearing, redox-active smectites that have heretofore been hidden. The purpose of this study was to exploit this technique to reveal the temperature dependence of the spectra and to characterize the behavior of octahedral a…
Abstract Plastics are being preferred in almost all possible applications of materials. Several new applications including optical devices are being developed using plastics replacing conventional materials like inorganic glass etc. For the optical applications, the most important properties of plastics essential for…
With the development of smart grid, energy storage technology will play an increasingly important role in the power system. As an excellent quick energy storage device, supercapacitors have instantaneous power densities more significant than batteries and energy densities larger than dielectric capacitors, and have be…
The influence of modified yarn path on spinning triangle and, in turn, on yarn hairiness has been studied using 100% cotton yarns of the counts 25s, 40s, 60s, 70s & 100s, and polyester/cotton blended (70/30) yarns of the counts 30s, 45s & 64s with various left diagonal path offsets in ring spinning. The study has been…
The relationship is established between the Berry phase and spin crossover in condensed matter physics induced by high pressure. It is shown that the geometric phase has topological origin and can be considered as the order parameter for such transition.