Materials Literature
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Basing on the analysis of sciencetechnical and educational literature from the technology of knitted fabric for the last decades is shown the majority changes in the interpretation of the ratio the main principles of common classification of knitted interloopings. The technological principle are mentioned rarely but…
Efficiency for the removal of crystal violet (CV), one of the earliest synthetic dyes, on novel inorganic cation exchanger were studied using UV/Vis DRS. Cerium(IV) arsenomolybdate, a heteropoly acid based cation exchanger were synthesized and characterized using FTIR, XRD, TGA, SEM-EDS techniques. Its composition was…
With safety issues playing a dominant role in prese nt-day energetic materials technology, concern is i ncreasing about the relative safety of solid high explosives shocked initiation(SDT) and deflagration to detonat ion transition (DDT). The critical conditions and parameters have been measured about SDT and DDT, the…
In the work there has been investigated second harmonic generation of CO2 laser radiation in AgGa(Se1-xSx)2 crystals in the constant-intensity approximation of the fundamental radiation. This approximation permits to take into account the influence of phase effects on the process of frequency conversion. A comparison…
Monte-Carlo estimations of the integrals of Bose-Einstein distribution function for magnons are performed, by avoiding number of approximations involved in the usual derivation of the Bloch T 3/2 law, describing the dependence of magnetization with temperature in the low temperature regime, where the main mechanism of…
In this work, ZnO and ZnO :Al thin films have been successfully deposited onto substrates films using two simple and cost effective growth techniques: electrodeposition and successive ionic layer adsorption reaction (SILLAR) methods. The morphology as well as the optical properties of the films was studied by using sc…
A stochastic atomic-scale lattice-based numerical method based on the Exact Lattice First Passage Time method was developed for the simulation of the early stages of kinetically controlled electrochemical nucleation and growth. Electrochemical reaction and surface diffusion on a hexagonal lattice was accounted for in…
SnO2/CdS-CdTe heterojunction has been fabricated by thermal evaporation technique, 0.05 µm thicknesses of SnO2 nanostructure was evaporated as thin layer to be used as an antireflection and as transparent conducting oxide. The prepared cell has been annealed at 573K for 180 minutes. The general morphology of SnO 2 fil…
The clinic needs of advanced biomaterials for tissue regeneration have driven the study on pores, ridges, fibers, and other microstructured features to mimic the topographies available on basement membranes. Recently, the honeycomb topography with well-ordered pores has drawn increasing attention due to its significan…
Monoclinic zirconia was densified using hot isosta tic pressing (HIP) at 1000 oC and 190 MPa for 1 h, using steel encapsulation and boron nitride as p rotective and release agent. The maximum of the ave rage densities after HIP was 93.4% of theoretical densit y and the average final grain size was 220±16 nm. However,…
The wide application of emulsifiers in formation of micelle is important for reducing surface tension and they improve stability and emulsification property in solution system. Some of monomers may provide reduction of Critical Micelle Concentration (CMC) as co-surfactants. Those monomers, which can typically increase…
Trifluoromethyl) phenyl) (hydroxy) methyl}cyclododecanone (2CF3-CDD) has been synthesized by direct aldol condensation reaction. The crystals weregrown in the mixture of solvent tetrahydrofuranand ethanol by slow evaporation method.The linear optical property of the crystal has b een studied using UV-VIS-NIR spectrosc…
Sol-gel synthesis and thermal characterization of the batches of BSCCO system: A sol-gel method was used for the preparation of the superconducting Bi-2223 and Bi-2212 phases, using nitrate solutions. Citric acid was used as a precursor. The gels were converted to BSCCO phases by thermal treatment. The synthesized pro…
Present paper is devoted to a comprehensive interpretation of the correlation existing between the dynamic mechanical thermal parameters and the molecular motions taking place in the polymeric phase in heterogeneous materials based on polypropylene. Consequently, it deals with the influence of a polypropylene grafted…
rization coupling. we first apply our model to study the domain walls of perovskite ferroelectrics. It is shown that even the classic Ising 180° ferroelectric domain wall contains both Bloch and Neel types of polarization components due to the flexoelectric effect. Secondly, the nanoscale mechanical switching of ferro…
Overbased calcium alkylaryl sulfonate reverse micelles of core diameter 2-3 nm are investigated by means of an Energy-Filtering Electron Microscope (EFEM). For this purpose, micelles are deposited on a very thin carbon film. Both selected area EELS spectra energy loss images are obtained and discussed. Data are interp…
Stellite 6 coatings were deposited using laser cladding, high velocity oxygen fuel (HVOF) thermal spraying and plasma spraying techniques on a nickel alloy substrate. The surface roughness, chemical composition and microstructure of these coatings were characterised by a surface profilometer, optical microscopy (OM) a…
An environmentally friendly antiscalant (ECO-T6) with half the phosphate levels of a Commercial Product (COMP) was developed to suppress calcite formation. The inhibition performance and mechanism of ECO-T6 were examined based on a comprehensive approach including chronoampermetric measurement, particle size distribut…
In present trends miniaturization of antennas place a vital role in medical applications, so we have designed a microstrip patch antenna used for wearable applications. In this paper we have simulated the results of return loss, 2-D and 3-D radiation pattern of microstrip rectangular patch antenna for wearable applica…
This study examined degradation conditions of biodegradable and oxo- degradable plastics using non-biodegradable plastics as a control. Samples were subjected to different concentrations of hydrogen peroxide at different lighting conditions and showed residual peroxide titrated with permanganate initially decreasing b…