Materials Literature
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The paper presents the results of investigation of influence of individual design and technological peculiarities on the passive safety of shift bus bodies made of multilayer panels.
Key words 1,2,3-triazoles - sodium azide - terminal alkynes - polystyrene resin
The paper presents the possibility of modeling of concrete properties in fresh and/or hardened state by applying hyperplasticizers type admixtures, based on a modified polycarboxyl ether polymer. It provides an overview of its application in their own and other experimental surveys with the experiences of the amount a…
La frequence, la diversite des agents responsables et l'emergence de nouveaux facteurs favorisant les mycoses n'ont cesse de croitre ces dernieres annees. Le pharmacien ayant un role majeur de conseil dans l'eviction de ces facteurs favorisants et dans la delivrance d'antifongiques azoles, la premiere partie de cette…
In der Bodenbearbeitung können höhere Flächenleistungen durch größere Arbeitsbreiten, höhere Geschwindigkeiten oder aber durch die Verlängerung der Standzeiten erreicht werden. Eine Möglichkeit zur Verlängerung der Standzeiten besteht darin, die Werkzeuge mit zusätzlichen Verschleißschichten zu versehen. Dies wurde fü…
Die verstärkte Nutzung von Biomasse zur Bereitstellung von Energie und Ausgangsstoffen für die chemische Industrie wird derzeit diskutiert. Die Prozesse der thermochemischen Umsetzung spielen hierbei eine Schlüsselrolle. In diesem Beitrag werden anhand einer Versuchsbeschreibung zu einer Anlage zur thermochemischen Ga…
A pressão de colapso de modelos numéricos de dutos constituídos de metal-compósito é avaliada através da utilização de anéis cilíndricos de comprimento unitário. Os modelos foram desenvolvidos e analisados utilizando o método dos Elementos Finitos, através do programa Solidworks Simulation Premium (2012). Os anéis são…
In dem vom Europäischen Fond für regionale Entwicklung geförderten Forschungsprojekt „Optimierung des Energieeinsatzes bei der Reststoppelbearbeitung“ wird der unter ökologischen und ökonomischen Gesichtspunkten zentrale Zusammenhang von eingesetzter Energie und erreichtem Aufbereitungsgrad untersucht. Durch die Erfas…
Manipulation of biological cells by acoustic radiation forces is often motivated by its superior biocompatibility relative to alternative available methods based on, e.g., optical or electrical fields. On the other hand, it is well known that acoustic exposure is capable of causing damage to both tissue and cells, pri…
It is important that all workers understand the health and safety risks of their work environment. It has been demonstrated that exposure to nanoparticles can lead to potential health concerns. A 1 mL nanoparticle solution spill can contain >10^9 nanoparticles, with the particles invisible to the human eye. This nanop…
We report here on the preparation, dielectric and magnetic of Bi 0.95 TM 0.05 NbO 4 (where TM = Cr 3+ , Mn 2+ & Fe 3+ ) ceramic powders with a sintering temperature of 800 0 C through solid state reaction method. Both SEM images and EDAX elemental profiles have been obtained to analyze their particle sizes and the che…
The aim is to reduce the probability of accumulation of fuel elements claddings damage by developing a method to control the properties of the fuel elements on stages of design and operation of WWER. An averaged over the fuel assembly WWER-1000 fuel element is considered. The probability of depressurization of fuel el…
We show that in layered systems with electronic phase separation tendency, the long-range Coulomb interaction can drive the spontaneous formation of unidirectional superlattices of electronic charge in a completely homogeneous crystalline background. In this self-organized electronic heterostructure, the ratio among t…
PURPOSES : Analysis and design of asphalt concrete (AC) and continuously reinforced concrete (CRC) composite pavements. METHODS : In this study, the service life of the AC/CRC composite pavements was determined based on the probabilistic method in the mechanistic-empirical pavement design guide(MEPDG). Typical pavemen…
Introduction. One of the main ways for increasing warp-knitting machines efficiency is to reduce their downtime due to base thread recharge and to reduce dynamic loads caused by an unstable regime (starting, braking, etc.) [1...15]. That approach is implemented through increasing the section warp beams capacity determ…
An analysis of modern technologies for manufacturing components and bearing systems made of composite materials has been conducted. These technologies are based on the polyester resin injection method and do not require high financial costs in manufacturing. The proposed method, due to the low cost of tooling, is conv…
Accurate measurement was carried out for the dose gradient in Teflon irradiated with filtered X-ray spectra having effective energies of 40 keV and 55 keV when in contact with aluminum, titanium, copper, and tin. At low photon energies, the interface region is only extended for about 10 microns from the interface, the…
The aim of current work is to optimize the serial-sectioning based tomography in a dual-beam focused ion beam (FIB) microscope, either by imaging in scanning electron microscopy (so-called FIB-SEM tomography), or by electron backscatter diffraction (so-called 3D-EBSD tomography). In both two cases, successive layers o…
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This interim report presents progress towards the development of meso-scale models of magnetic behavior that incorporate microstructural information. Modeling magnetic signatures in irradiated materials with complex microstructures (such as structural steels) is a significant challenge. The complexity is addressed inc…