Materials Literature
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Study of structural changes occurring in the surface layer modified by ion-beam irradiation was carried out by means of optical, scanning and transmission electron microscopy. It was shown that irradiation induces the structure modification not only in the surface layer, but along the entire cross section of 1 mm thic…
A non-enzymatic glucose sensor was fabricated from Cu-doped carbon nanofibers (CNFs), which were prepared from polymer solution of polyacrylonitrile (PAN), dimethylformamide (DMF), and copper sulfate (CuSO4) by electrospinning. The prepared samples were analyzed by X-ray diffraction (XRD) to confirm their crystal stru…
The mechanisms and the pathways whereby exercise training increases heart vascularization will be reviewed; neo-angiogenesis involves the formation of new capillaries, which typically occurs with the mechanism of intussusception. In addition, physical exercise favors neo-vasculogenesis, by inducing the mobilization of…
The structure and composition of carbide phases in the GS6U alloy are studied. The carbides in the metal extent are shown to arrange in the form of plates causing a low mechanical properties of the alloy. An explanation of the reasons for the formation of such morphology carbide phases is proposed. The technique of im…
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We investigated the magnetic anisotropy ratio of thin sputtered polycrystalline MgB2 films on MgO substrates. Using high magnetic field measurements, we estimated an anisotropy ratio of 1.35 for T=0Kwith an upper critical field of 31.74 T in the parallel case and 23.5 T in the perpendicular case. Direct measurements o…
Steels and alloys employed in the nuclear power industry, space engineering and rocket building, which serve under high pressures, and used for transporting and consuming condensed gas (methane, nitrogen, oxygen, hydrogen helium) should meet strict requirements on strength, ductility, corrosion resistance, stability o…
結晶学（結晶構造）に関する情報は，各物性の起源を理解するのにも欠かせない手法である．ここに国際結晶学連盟が推奨している結晶学情報共通データ・フォーマット（CIF）に関して紹介を行う．このCIFの普及に伴って各結晶構造データベース中のデータや各種計算プログラムにおける入力パラメーターの共有化が可能と成っている．加えて，CIFを用いる事によって論文中の誤植を減らす事にも役立っている．
Given the ubiquity of depletion effects in biological and other soft matter systems, it is desirable to have coarse-grained Molecular Dynamics simulation approaches appropriate for the study of complex systems. This paper examines the use of two common truncated Lennard-Jones (WCA) potentials to describe a pair of col…
Most widely used commercial polymeric structures are designed from organic carbon backbones. Their properties can be modified using a wide range of both organic and inorganic additives, such as phosphazene derivatives. Phosphazene derivatives, containing the backbone of alternating phosphorus and nitrogen atoms with t…
Langbeinite-type orthophosphates K 2[Mg 0.5-0.5( x+y) Er x Yb y Zr 1.5-0.5( x+y) (PO 4) 3], where x+y = 0.10, 0.20, 0.50, 1.00 ( x:y = 1:1); x+y = 0.25, 0.50, 0.75, 1.00 ( x:y = 1:9) are synthesized by the sol-gel method and characterized by differential scanning calorimetry, IR spectroscopy and X-ray powder diffracti…
Os nanotubos de carbono fazem parte de um conjunto de materiais nanometricos que geram grande interesse tanto na comunidade academica quanto nas empresas do setor de tecnologia. Devido a sua estrutura unica, os nanotubos de carbono estao entre os materiais mais duros e fortes ja descobertos. Alem disso, uma de suas ca…
Influence of basic components is analysed on mechanical properties of titanium alloys ВТ6 and ВТ3-1. It is rotined that in the real alloys dependence of mechanical properties on the change of concentrations of the component differs from analogical dependences in the double systems «titanіum – alloying element», in a g…
Pengelasan stainless steelbanyak digunakan untuk mengoptimalkan kebutuhan dengan pertimbangan ekonomi. Sifat mekanik dan struktur mikro sangat dipengaruhi oleh adanya pengoperasian pengelasan ulang jika terdapat kesalahan atau cacat pada hasil lasan. Pengaruh adanya proses pengelasan ulang terhadap perubahan struktur…
The discovery of piezoelectricity in bone by Fukada brought to light the idea of using piezoelectrics to enhance bone growth. Piezoelectric polymers like poly (L-lactic) acid (PLLA), a synthetic semi-crystalline polyester combining adjustable biodegradability and physical properties, stands out and therefore can be us…
The results of a computational investigation ways to strengthen reinforced concrete columns consoles performed in the software package ANSYS are presented in the article. The example of two ways to strengthen analyzed deflected mode of all structure components. Analytical comparison of the constructed models and exper…
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Processing of nanoparticles is a core research area of nanotechnology. Carbon nanotubes (CNTs) are a prototype high aspect ratio nanomaterial and have been extensively studied due to their remarkable properties and the wide range of potential applications. Ultrasonication is the most widely used technique for the disp…
Die vorliegende Arbeit befasst sich zum einen mit dem experimentellen Nachweis der thermischen Polarisationsfluktuationen eines ferroelektrischen Silbernatriumdinitrit-Kristalles und zum anderen mit der experimentellen Untersuchung von Fluktuationstheoremen. Der Nachweis der thermischen Polarisationsfluktuationen des…