Materials Literature
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Magnesium alloys have raised immense interest to many researchers because of its evolution as a new third generation material. Due to their biocompatibility, density, and mechanical properties, magnesium alloys are frequently reported as prospective biodegradable implant materials. Moreover, magnesium based alloys exp…
This paper purpose simulation performing to explain processes taking place in phase-change memory creation. Ab initio quantum simulation of atomic diffusion in amorphous carbon during phase change process is presented. It is shown that thermal effects lead to creation of a graphitic layers structure in a molecular sys…
Magnet adalah salah satu jenis bahan teknik yang esensial untuk dikembangkan. Kebutuhan pada magnet diketahui selalu meningkat seiring meningkatnya juga kebutuhan dan perkembangan bidang industri juga kelistrikan. Dalam perkembangan keilmuan magnet, ditemukan bahwa Strontium Hexaferrite (SrFe12O19) yang termasuk jenis…
Yığınların GEO 5 FEM programı ile sınır ağ modellemesi ve stabilite analizleri yapılmıştır. S1, S2, S3 ve S4 no’lu heyelanların geliştiği yamaçların 1/1000 ölçekli topoğrafik haritaları arazi çalışmalarıyla hazırlanmış ve yığının yapısal kesitleri çıkarılmıştır. Yığından alınan zemin örnekleri üzerinde yapılan laborat…
sviluppo di una tecnologia per la produzione di materiali ibridi alluminio-grafene per la realizzazione di componenti ad elevata conducibilità termica
Methods and results of tests of border layer of the plastic greasings are in-process considered on a wear
From chloroplasts of Antirrhinum majus strain 50, Spinacia oleracea, Allium porrum and Chlorella pyrenoidosa the lamellar structure proteins were prepared and their amino acid composition was determined. The amino acid composition of these proteins is quite similar. Specific differences in the amino acid composition o…
The investigation of aqueous ammonia solutions on the sensing element in the form of a bacteriorhodopsin film in a sol-gel matrix deposited directly on the end of the joint channel of a Y-shaped fiber-optic splitter has been carried out. It is shown that the obtained sensing elements are not destroyed by water, they a…
In article the data obtained experimentally on toxicity of representatives of various groups of inhibitors of system of RAAS are generalized: renin inhibitors (aliskiren), inhibitors of angiotenzintransformation enzyme (AAE) (enalapril, fosinopril), blockers angiotensin II (ATII) of receptors (valsartan, losartan, tel…
Chlorine containing phosphonic acid esters (tridilorphon-type) have been investigated quantitatively by ESR after X-irradiation at room temperature. Radical yields are between 0.2 and 1.7 radicals per 100 eV. In the case of trichlorphon the radical concentration is 7.5·10¹⁸ spins per gram at 40 Mrad.Stabilisation and…
espanolLas aleaciones con memoria de forma (AMF) han estado en el primer plano de la investigacion durante varias decadas. Desde su descubrimiento han sido utilizadas en una amplia variedad de sectores como el aeroespacial, automovilistico, biomedico, etc. Las AMF forman parte de los denominados materiales activos, es…
The composition of licvid sistem Fe Cr, Fe Ni, Fe V alloys on the atom-electron level is considered in the article. It has been found that the interaction between metal-solvent and other elements occurs on each electron level. It is shown that the electron state depends upon the concentrati on of the el ements i n the…
Polyvinylpyrrolidone (PVP) is a commonly used polymer that has some excellent properties, such as great strength and biocompatibility. Cellulose Acetate (CA) is another excellent polymer that has been employed in many applications, including drug. PVP-CA composite has both strength and flexible properties that can be…
The sequence of physico-chemical and structural transformations occurring during the thermolysis of the solid solution of diphosphates of composition Zn 2-x Co x P 2 O 7 5H 2 O (0 0.69) has been established. The composition, temperature ranges of formation and the thermal stability of the products of partial and compl…
The algorithm allowing to connect the set level of reliability of a design with safety coefficient is given in article. The algorithm is stated methodically and is easily realized at the solution of practical tasks. At the solution of practical task on stress-strain state of interface of cylindrical shell with spheric…
The development of new types of solar cells is promoted by increasing public awareness that the earth’s oil reserves could run out during this century. As the energy need of the planet is likely to double within the next 50 years and frightening climatic consequences of the greenhouse effect caused by fossil fuel comb…
With rising interest in a many-sided use of magnesium alloys also the improvement of their corrosion properties become more important. One approach is an aluminium-zinc-coating with following thermal treatment. Therefore, central of this work is the thermal treatment of aluminium- and zinc-coated samples of the magnes…
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