Materials Literature
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Although ordered mesoporous silica materials have been studied for almost 20 years, their utilization within life science applications is relatively new and unexplored. An increasing number of researchers are transcending their respective fields in order to bridge the knowledge gap between materials chemistry and biot…
Integrated quantum optical hybrid devices consist of fundamental constituents such as single emitters and tailored photonic nanostructures. A reliable fabrication method requires the controlled deposition of active nanoparticles on arbitrary nanostructures with highest precision. Here, we describe an easily adaptable…
The dispersion and the damping of the sheet plasmon in a graphene monolayer grown on Pt(111) have been studied by using angle-resolved electron energy loss spectroscopy. We found that the dispersion relation of the plasmon mode confined in the graphene sheet is linear, as a consequence of the screening by the metal su…
The present study focuses on the development and characterization of epoxy syntactic foam filled with epoxy hollow spheres (ESF/EHoS). The epoxy syntactic foam (ESF) was produced by embedding epoxy hollow spheres (EHoS) into a mixture of epoxy-hardener and 3% KOH solution. An innovative approach and simple procedure w…
Impact of three different blades on the normal component of the critical cutting force is considered. The formula of the critical force normal component as a result of the knurled blade operation is presented. The formula derivation of the critical force normal component in the fixed and free shredding is described.
Small business situation, characteristics and trends of its development in the economically developed countries are analyzed. On the basis of the western experience in creating support structures and promoting the innovative development of small business, the primary areas of its adaptation to the Russian realities ar…
Spatial contact problems are investigated for the finite elastic layer in one face of which two identical rigid elliptical punches are symmetrically indented taking into account friction under various types of boundary conditions on the other face. The problems are reduced to the integral equations relating to the con…
Components of the information-technological culture of the student are considered. Specific characteristics and criteria of the component levels of the information-technological culture for the future medium-level specialist are designated.
New results of the rotor dynamics fundamental research are presented. These results permit to realize the system approach to the rotor balancing at all stages of the creation and operation of the omni-purpose machines. The results implementation is exemplified.
Research results of the crack behavior examination in steels with the ferrite martensitic composite structure are presented. It is shown that the crack propagation rate in these steels is considerably lower than in the same steels with secondary sorbite structure. It is discussed from the perspective of a special mech…
Crisis phenomena in the construction services market can be overcome by a number of measures both at the national level and at certain enterprises. Top management of the construction companies is offered to form a leadership block – a new working group with special status – power of decision.
The method for determining the geometrical parameters of the cone rolls when designing the angular contact combined cone rolling bearings of 2K-V-type planetary pin carrier with the off-centroidal inner mangle gear at the second stage is stated. The bearings serve in case when no standard cone rolling bearings can be…
Necessity of the institutional structure optimization of the regional markets under the principle of the absolute domination of the uniform customs and development norms of the national insurance system is determined by the tendency of home insurers specialty and shift in enterprise proportions of the insurance busine…
Some relations between various auto- and soliton models are investigated. Common features in the problem formulation of combustion, supersonic radiation wave propagation and moving of soliton wave on soundings are revealed. Realization of the known mathematical solutions for wave flame structure characterization in th…
editorial
The generalized estimation technique of the optimality level of the strain distribution in the forgings is offered. The technique is based on the estimated results of the pressing optimization reduced to the consistent criterion. Function parameters of the boundary frames of the numerical and physical pressing simulat…
Toeplitz matrices with Hartwig-Fisher symbol are investigated. The extension of Szego theorem for normal Toeplitz matrices with complex-valued symbol from L? space on the unit circle is formulated and proved.
The problem of dynamic response of the enterprises on changes in the internal and external environment on the basis of economic mathematical modeling, linear programming particularly, for the purpose of the production effectivization is considered.
The article is devoted to the matters of modeling the information-pedagogical environment for teaching the discipline of ‘Mathematics and Information Science’. Principles of the intra- and intersubject integration are considered. The structure functional model of the information-pedagogical environment for teaching th…
The matter of the ethnic identity construction is considered in the modern globalization processes. The historical background for various strategies of the national identification, their crisis in the second part of the 20th century, the uprise of the multiculturalism doctrine as an answer to the growing ethnic segmen…