Materials Literature
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Composites are formed by the physical association of matrix and reinforcement and possess intermediate properties of the components’ it is constituted of. Metal matrix composites (MMCs) reinforced with ceramic particles furnishes ductility along with strength and has been into practice since decades. The applications…
In this work four nanoparticle systems were designed: two for medical and two for industrial applications.\nThe purpose of the first part of my study concerns the manufacture of a NPs-enzyme system for cancer therapy: Fe3O4 NPs@APTES-DAAO. This system combine the magnetic properties of iron oxide nanoparticles (Fe3O4…
This article is devoted to the statistical research of modern women shoulder clothes fitting quality. Evaluation of garments quality a hot topic of contemporary research, caused by goods and services market conditions. The research sample included production of native and foreign light industry enterprises. The sample…
Methodology for calculating efficiency of created dedusting systems is presented. This work is devoted to evaluation of various logical models and operation principles of new devices for the analysis of dust-like materials. Proposed devices can significantly an analysis duration in comparison with other well-known met…
In work, the analysis of a current state of the pharmaceutical market on producers of medicines for veterinary application is submitted. The share of domestic and foreign producers, quantity and type of medicines of the veterinary preparations presented in the pharmaceutical market is shown.
Thermo-reversible gels are solvent-filled 3D networks of polymer chains interconnected by physical (transient) crosslinks. On applying a high shear stress, the crosslinks are broken and these gels show a typical stress-strain behavior due to cohesive fracture of the gel. When heated above a critical temperature and co…
The ability to manipulate the coordination chemistry of metal ions has significant ramifications for the study and treatment of metal-related health concerns, including iron overload, UV skin damage, and microbial infection among many other conditions. To address this concern, chelating agents that change their metal…
Lithium hydride is a light, hydrogenous material which has a variety of industrial applications including hydrogen storage, batteries, and neutron capture blankets for fusion reactors. Variation in the stoichiometry of Li to hydrogen will impact its usefulness in these applications and must be understood. Raman spectr…
The objective of optical scatterometry is to determine the geometrical parameters of a periodic structure, such as a surface-relief grating, from its ellipsometric spectrum. There is particular interest in applying this technique to semiconductor metrology, where it can be used for wafer-to-wafer process monitoring an…
Combined high pressure phase transformations (PTs) and plastic flow in a sample within a gasket compressed in diamond anvil cell (DAC) or compressed and twisted in rotational DAC are studied using finite element method (FEM). The key point is that PTs are modeled as strain-induced, which involves a completely differen…
Diglycolamide-functionalized tris(2 -aminoethyl)amine (4) and diglycolamide-functionalized triazacyclononane (5) where successfully synthesized. This was done by reaction of p- nitrophenol activated diglycolamide and the appropriate amino group-containing platform. The extraction properties towards actinides and lanth…
Utilizing a-bromo-g-butyrolactone (aBrgBL) as a comonomer with 3-caprolactone (3CL) or L-lactide (LLA)produces copolymers with active and available grafting sites, e.g., for SET-LRP, where the choice of thegrafting monomers is limited only by one's imagination. This was deduced by utilizing a wide range ofdifferent ac…
Data are provided in article according to crack resistance of coverings on the basis of dry construction mixtures with application of mineral raw material resources of the Volga region. Results of researches ofshrinkable deformations, and also data on results of calculation of tension in a finishing plaster layer on t…
Nickel hydroxide is produced by deposition of its aqueous solution on the surface of a carbon matrix with a big surface area. We study the effect of ultrasound on the particle size of X-ray-amorphous nickel hydroxide. It was shown that ultrasonic influence leads to the formation of a larger number of particles of smal…
Uma definição de risco é a probabilidade de acontecer uma situação adversa, problema ou dano e as consequências deste mesmo. Avaliar os riscos e determinar a melhor forma de gestão constitui um enorme desafio, pois é difícil avaliar todos os aspectos do risco e determinar todas as consequências de uma medida de contro…
Research Objectives: the authors have set the tasks to study experimentally and analytically the conditions for occurrence of white layers, their physical and mechanical properties and phase composition by the example of NiTi as one of the most common technique representatives of shape memory materials. Materials and…
The most important mechanism for deformation and failure in rock masses under relatively low stresses is slip along pre-existing discontinuities. These discontinuities can be viewed as fractures and their behavior can be approximated using Linear Elastic Fracture Mechanics theory. Slip along a frictional discontinuity…
The automotive industry accounts for almost 70% of the total use of water atomized steel powder for powder metallurgical structural components. Nowadays, such components are increasingly used for high demanding applications, where good tolerances and high mechanical properties are combined. However, it has been found…
PEM Fuel Cells are expected to gradually substitute internal combustion engines as electrical and co-generation power sources thanks to high efficiency, low operating temperature, fast startup time and favourable power-to-weight ratio. However, while PEMFCs have achieved significant progresses in the last decade, thei…
Fluorescence spectroscopy is an indispensable analytical method in modern research. The complexity of luminescent systems usually requires the combination of several techniques.\nIn this work, novel donor-acceptor fluorescence dyes with potential applications in electro-optical devices, materials with non-linear optic…