Materials Literature
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Calcium hydrogen phosphate dihydrate and amorphous calcium phosphate have been synthesized in an aqueous suspension of medium molecular weight chitosan in the presence of glutamic or aspartic acid. X-ray diffraction and transmission and scanning electron microscopy characterization showed that the morphology of the ph…
The effect of the concentrations of the oxidizing agent (sodium persulphate) on the properties of poly (m-aminobenzene sulfonic acid -co- aniline) p(m-ABSA-co-Ani) co-polymer has been investigated. The prepared samples were confirmed by Fourier transformation infrared spectroscopy and further , characterized by electr…
There has been increasing interest in the biological and biomedical applications of carbon nanotube. We addressed the novel question: Are pure CNTs produced for distribution to manufacturers "toxic" to plants through their effects on physiological processes? We germinated and grew Arabidopsis thaliana seedlings on bas…
The authors provide the results of experimental research of influence of polypropylene and polyester mesh implants on the state of the reproductive organs after simulated hernioplasty
The properties of polymer nanocomposites exceed the properties of common composite materials due to the nanoscale size and morphology of the fillers used. Particulate fillersare commonly used in polymers forimproved mechanical and thermal properties, as well as modified electrical properties and cost reduction. Organi…
Nonstoichiometric Ti 4 O 7 titanium oxide nanopowder consisting of isolated stable nanoparticles with an average size of 115 ± 30 nm has been prepared by two-step synthesis from metallic titanium and oxalic acid. The nanostructured precipitate obtained by reacting titanium and oxalic acid was reacted with flowing hydr…
The application of traditional surface modification techniques to improve mechanical properties of a wide range of materials has been used for at least three decades with important results. More recently, newer and innovative techniques such as Laser Shock Processing (LSP) have gained popularity due to the benefits of…
A novel monoclonal antibody (mAb), known as AC10364, was identified from an antibody library generated by immunization of mice with human carcinoma cells. The mAb recognized proteins in lysates from multiple carcinoma cell lines. Cell cytotoxicity assays showed that AC10364 significantly inhibited cell growth and indu…
Describes the method of calculating the amplitude local conditional elastic stresses on the wall section tank with form defects of a dent is described in the paper. Dent is isolated and falls under the term of an elliptic. The methodology takes into account the effect on the amplitude of the stress of four parameters:…
The paper describes the Lloyd’s Register Research Programme focused on investigation of effect of ultrasonic peening on fatigue strength of welded marine structures. The topics specific to marine structures include large scale model testing, effect of corrosion and influence of compressive cycles in load sequences. Th…
The hydrogen evolution reaction (HER) has been investigated on two types of electrodeposited, Nibased, non-noble metal coatings: composite coatings with inclusion of MoO2 particles and electrodeposited NiSn alloy coatings, in order to find suitable replacement for noble metal coatings (commercial De Nora's Ni-RuO2 ele…
This study uses two numerical approaches to analyze the filling behavior of micro patterns on micro-injection molding for V-grooves pattern which cannot be simulated with conventional CAE packages. The parametric studies have been performed to examine the fidelity of micro patterns with respect to temperature, pressur…
The US DOE’s Consortium for Advanced Simulation of LWRs (CASL) program has undertaken an effort to enhance and develop modeling and simulation tools for a virtual reactor application, including high fidelity neutronics, fluid flow/thermal hydraulics, and fuel and material behavior. The fuel performance analysis effort…
Magnetic nanowires, nanodots and nanoparticles are an important class of nanostructured magnetic materials. At least one of the dimensions of these structures is in the nanometer (nm) range and thus, new phenomena arise in these materials due to size confinement. These structures are ideal candidates for important tec…
A detailed investigation of the highly conductive Cs(H2PO4)1−x (HSO4) x (x = 0.15–0.3) proton electrolyte, its structural properties, and ageing behavior was carried out using X-ray diffraction, DSC, and impedance and NMR spectroscopy. The high conductivity of electrolytes (∼2 × 10−2 S/cm) remains stable during long-t…
Submicron-sized ZnS particles have been prepared by reacting zinc chloride and thiourea in the pH range 8–12. The smallest particles (10–20 nm) have been obtained with the use of sodium hydroxide. Increasing the pH of the solution and the thiourea concentration has been shown to increase the particle size. In the diff…
We have measured the electrical conductivity of lanthanum oxide based composite materials containing different concentrations of carbon nanofibers as additives. The conductivity has been shown to increase sharply (by two orders of magnitude) at carbon nanofiber contents from 2 to 3 wt % owing to the formation of a thr…
This paper describes a process for the preparation of extrapure gallium(III) sulfide by reacting gallium(III) iodide with sulfur in an evacuated two-zone quartz glass reactor. The maximum synthesis temperature was 350°C. The residual iodine was removed by calcining the powders at temperatures from 500 to 650°C. The ga…
Polymer bonded magnets are contemporary materials with a very large range of applications. The objective of this study is to assess how different content of Nd-Fe-B and/or barium ferrite particles affect on magnetic and morphological properties of bonded composite materials. Interactions between employed magnetic powd…
In this work, powders were prepared Zn1-xCoxO (0.00 ≤ x ≤ 0.05) at temperatures of calcination of 773, 823, and 873 K by sol gel methods (citrate route). In the XRD patterns, all the observed diffraction peaks could be indexed to ZnO wurtzite structure, and no other impurity phase was found, leading to the conclusion…