Materials Literature
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Optical diagnostics are widely used both for experiments of plasma physics and for measurements of parameters of electron/positron beams in accelerators. The approaches, applied for that, often have the same methodological basement that is explained by similarity of properties of the studied phenomena. Nevertheless, t…
Poly ε-caprolactone (PCL) gets a lot of attention, and shows great potential in some applications among synthetic polymers. This is because the thermoplastic polymer posses some desirable features, including good stability, and easy of process. PCL also had some specific properties when it blended with organic or inor…
Introduo: O uso de frmacos com diferentes finalidades em rgos/tecidos especficos sofre dois grandes problemas, a ineficcia das quantidades necessrias para desencadear respostas farmacolgicas, bem como possveis efeitos colaterais causados pelo frmaco, alm do mais, existem barreiras fisiolgicas tais como a hematoencefli…
Sweden's Roxtec Group – a provider of modular-based cable and pipe transits – has extended its range of plastic pipe seals to meet the demand for high-quality lightweight aluminium structures in the marine and offshore sector. The Roxtec Sleev-it™ penetration seals are available not only in steel, but also with an alu…
The basic requirements for the crystal lattice and defectiveness of Gd 2 O 3 matrix as well as for the concentration of Er 3+ dopants to achieve the enhanced parameters of energy conversion in Gd 2 O 3 :Er nanoparticles are summarized. The obtained data allow to optimize and improve the functional characteristics of G…
The problem of forming radiation fields of the preset homogeneity and sizes is considered. Algorithms given in the paper reduce Monte Carlo-based resource-intensive simulations to minimum. The design parameters of the systems intended for operation with the beam of the UEL5/20 metrological accelerator are presented.
Abstract The key families of modern materials and the evolution of promising materials research trends, which has entered an active phase in the 1990s, are reviewed. It is noted that the classical approaches to materials engineering centered on revealing and utilizing correlations between the composition, the structur…
A thick proof mass is desired for inertial sensors obtained by surface micromachining that could improve its output characteristics. Alternative to thick layers additional layers are used. We consider nanocomposite of carbon and silicon as a material and high aspect ratio structures to increase layer thickness. Carbon…
It has been found that N aqueous suspension of planar graphite nanoparticles exhibits properties of displacement fluid at the oil–water interface. Experiments with the Hele–Shaw cell showed that the process of oil displacement from the interface is not accompanied by the formation of viscous "fingers" as a result of d…
The molecular dynamics method in multiprocessor mode based on a new type of ensemble with constant tension is developed. The new method uses the representation of classical mechanics in T 6 = S 6 manifold. Six true topological dimensions of the torus surface are represented by six scalars: three relative strains and t…
The time dynamics of the spatial distribution of the potential induced by the electrons locally injected from an atomic force microscope (AFM) probe into the ultrathin (< 10 nm thick) yttria stabilized zirconia (YSZ) ZrO 2 (Y) films with embedded Au nanoparticles (NPs) on Si substrates was studied using Scanning Kelvi…
Plasma-arc (PA) sputtering method was applied for synthesis of Pt/CeO 2 and Pd/CeO 2 nanoparticles. PA represents a joint sputtering of a graphite electrode with various metals (Ce with Pt or Pd). This novel approach allows obtaining highly dispersed metals and ceria on the first stage of synthesis. The thermal treatm…
The article proposes a mathematical model for predicting gas and oil pipeline section resource under bifrequency loading. Mathematical model for pipeline safety evaluation is formulated. The authors offer a resource-predicting algorithm for gas and oil pipelines.
Электронные книги и статьи из каталога «РЕЗУЛЬТАТЫ ИСПЫТАНИЯ НОВОГО КОМПЛЕКСНОГО ТРЕМАТОДОЦИДНОГО СОСТАВА «ХЛОКСАЛ ПОРОШОК 20%» ПРИ ХРОНИЧЕСКОМ ТЕЧЕНИИ ФАСЦИОЛЕЗА ОВЕЦ (80,00 руб.)». Скачайте в онлайн-библиотеке Rucont.
The research to observe the influence of hydrolysis time towards the degree of crystallinity owned by oil palm wood (Elais guinensis Jack) based cellulose and α–cellulose had been conducted. Cellulose was extracted from oil palm wood by means of alkali treatment as the first stage then it was bleached with NaOCl 5%~,…
In current work, we use the method of artificial neural networks to predict the variation of the solubility of lysozyme protein in solution as the complex function of four crystallization parameters: temperature and pH of the bulk solution, the concentration of precipitant and the concentration of buffer solution. The…
The Analysis of Natural Radioactivity content in coal wastes from Medan Industrial Area has been carried out by using Gamma Spectrometer with HP-Germanium detector. Coal wastes was collected from a pile of wastes in a plant which used two different origin of coal was Palembang and Kalimantan areas. The aim of this stu…
In this paper, ceramics of pure barium titanate and barium titanate doped with manganese have been investigated. The temperature dependences of capacitance and heat capacity were measured. A comparison of the positions of the temperature maxima was carried out. Excess heat ΔQ) and excess entropy ΔS) of phase transitio…
Experimental investigation and computational estimation of the ballistic resistance properties of the multilayer fabric barriers which include layers with various weaving types carried out. Plain and four patterns of twill weave fabrics were concerned. The dynamic interaction of multilayer woven barriers with two form…
The CryoEM single particle structure determination method has recently received broad attention in the field of structural biology. The structures can be resolved to near-atomic resolutions after model reconstructions from a large number of CryoEM images measuring molecules in different orientations. However, the dete…