Materials Literature
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Las células troncales mesenquimales (CMMs), juegan un papel muy importante en el campo de la medicina regenerativa e ingeniería tisular, puesto que estas células indiferenciadas tienen la increíble capacidad de autorenovarse y de diferenciarse en varios linajes celulares adultos con funciones especializadas. Así mismo…
This work described a process based on the luminescent down shift (LDS) technique, in order to introduce the luminescent organic dye into PVB polymer encapsulant as emergent material for photovoltaic application. For this goal, we propose to study the feasibility to implement the LDS functionality and to identify suit…
The article describes a study on the influence of RF magnetron cathode sputter thickness, (09) Ni/NiO thin multilayer (each multilayer varies from 35Å to 3000Å). Measurements exploited by different MEB and XRD measurement techniques were obtained to give structural results and the average variation of the multilayer s…
This paper studies the propagation of the second-order Airy vortex beams in the free space. Based on the Huygens diffraction integral formula, the analytical expression for the propagation of a second-order Airy vortex beam is derived. We present the intensity and phase distributions of the second-order Airy vortex be…
A non-intrusive method for monitoring the health condition of power feeder with parallel cables is proposed and developed. The proposed method is based on an inductive coupling technology and therefore it does not affect the normal operation of the actual electrical system and can be easily deployed on-site without an…
An antiplane shear deformation in one-dimensional piezoelectric quasicrystals created by a row of collinear cracks subject to non-uniform phonon, phason and electric displacement loads is analyzed using a generalized technique of dislocation layers. Closed-form expressions are derived for the components of the phonon…
We numerically investigate the absorption property of a type of curved metamaterial absorber (CMA) in the microwave regime. Simulation results demonstrate that the CMA can perform absorption peaks at four resonant frequencies correspond to the fundamental, the second order, the third order and the forth order resonanc…
Infrared absorption spectra are obtained for a ferrimagnetic single crystal of ferrite CoFe 2 O 4 . It is shown that an external magnetic field applied in the Voigt geometry leads to a noticeable change in the transparency of the single crystal possessing high magnetostrictionthe magnetotransmission effect (up to 10 %…
The topic of the paper is to model simultaneously, the effect of frequency coupled with applied mechanical stresses, on the magnetic hysteresis of ferromagnetic sheets. The magneto-mechanical model to be exploited is deduced from the classical effective field intended by Sablik-Jiles-Atherthon (S.J.A.). The previous r…
Институт порошковой металлургии им
Crude oil is an energy resource that mostly composed with hydrocarbons and trace corrosive compounds as well found some cruxes in the petroleum refining industry because of the vast applications of the different types of metals. There were expected to investigate the effect of two different types of crude oils on the…
The results of the magnetic control of the stressed state of steel drill pipes metal with the scanning type indicator of mechanical stress of the metal IN-02 are presented. The metal of drill pipes is characterized by a complex stress state due to the simultaneous action of bending and tor- sional moments in the metal…
Biomaterial scaffolds play an important role in cartilage tissue engineering. They act as a temporary extracellular matrix substitute and template for cellular growth in vitro and support mechanical integrity in vivo. Several limitations have been reported when natural and synthetic biomaterials were used individually…
Abstract Coloring the faces of a two-dimensional square lattice with k distinct colors such that no two adjacent faces have the same color is considered by establishing a connection between the k -coloring problem and a generalized vertex model. Associating the colors with k distinct species of particles with an infin…
Abstract Using high-performance differential scanning calorimetry, crystallization processes in pure metals and some binary alloys on their basis have been investigated. Heat flow jumps are detected at crystallization upon reaching the liquidus lines. It is assumed that these phenomena are associated with the formatio…
Abstract Main factors affecting the corrosivity of water in water treatment plants and water towers and other storage facilities, observed types of corrosion degradation of stainless steel and the effect of manufacturing and surface treatment on their corrosion resistance are discussed. A list of stainless steel grade…
— A litho-toposequence of soils in a semi-arid region in southwestern Iran was investigated for their pedological properties. Nine representative pedons on different geomorphic surfaces, including river terrace, alluvial plain, pediment, and alluvial fan, were studied on stratigraphic ranges from Lower Miocene to Plio…
Abstract Establishing the features of interfacial effects on the electrical conductivity of graphene is crucial for successful design of novel graphene-based electronic devices, including chemical sensors and biosensors. We study electrical properties of monolayer graphene, prepared by thermal decomposition of silicon…
The rotor of the permanent magnet assisted synchronous reluctance motor is composed of multilayer flux barriers embedded permanent magnets. Due to the complex structure of the rotor, the torque performance of the motor is greatly affected by the structural parameters of the rotor. This paper mainly studies the influen…
Model specimens in the form of rings made of high-strength corrosion resistance steel (09Kh16N4B-Sh) are tested for corrosion under voltage in order to produce artificial defects in the form of corrosion pits and surface cracks. The specimens served to test the effectiveness of the magnetic particle, ferroprobe and ed…