Materials Literature
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Increasing the accuracy and high acting of positioning for technological machines and their mechanisms is of great importance. It is achieved by inventing and modification of hydro-mechanical devises with hydraulic connecting lines. In this statement the positioning process of such devises is modeling, relationships b…
The methodology of modeling and optimization of vibrating protection systems of a workplace of the operator of a knock-out lattice for branch by a vibrating method of a forming mix in foundry manufacture is considered.
Results of experimental researches in cabins of bridge cranes are resulted. Influence of sources on formation of a sound field in cabins is revealed.
The basic stages of a complex development direction of a science and practice of powder metallurgy as method of information-analytical representation of its basic aspects are presented. The basic algorithm of carrying out of operations and the scheme of the decision of tasks in view on object with some number of unkno…
In the work we study a mathematical model about control of investments distribution, when the technological change is taken into consideration as an increasing elasticity coefficient on the capital factor. There is proposed a solution algorithm to solve respective optimization control problem, where the investment fun…
In this study, the strength and erosive characteristics of CaCO3 filled unsaturated polyester/glass fiber (UPR/GFR) composite are evaluated. Samples of UPR with 40, 50 and 60 wt% content of CaCO3 and different CaCO3 particle sizes of 1, 2, 3, 5 and 10 micron were prepared and tested under tensile loading, indentation…
Acrylonitrile-butadiene rubber (NBR) and blends of poly(3-thiopheneacetic acid)/ acrylonitrile-butadiene rubber, P3TAA/NBR, were fabricated, and the electrorheological properties, dielectric, and electrical conductivities were investigated . The electrorheological properties were determined under an oscillatory shear…
In this paper the hybrid algorithms in object caching system is considered. The method using hybrid algorithm in implementation of the adaptive caching systems is offered. The new universal method hybridization of two and more caching algorithms is described. The description of the new hybrid (of the algorithm LRU and…
In article results of the theoretical description шумообразования the large-sized equipment in a proportional premise are resulted at presence шуморзащитной designs. Proceeding from conditions of maintenance of a sanitary code of noise expression of a necessary thickness of elements of a soundproofing design is receiv…
Happen to the results of the experimental studies, directed on determination brought three-dementional acerbity sleeve high pressure and hydraulic cylinder from degree of the moving the rod
Thermoplastic vulcanizates (TPVs) are a special class of thermoplastic elastomers, which are produced by simultaneously mixing and crosslinking a rubber with a thermoplastic polymer at an elevated temperature. Peroxide-cured TPVs based on blends of silicone rubber and thermoplastic Engage of two different types, mainl…
We report a comprehensive investigation of a model for peeling of an adhesive tape along with a nonlinear time series analysis of experimental acoustic emission signals in an effort to understand the origin of intermittent peeling of an adhesive tape and its connection to acoustic emission. The model represents the ac…
In the given paper equations of motion of a drive of end-effectors of a combine are gained at turning on lenix-transmissions which in this phase exhibits properties of a nonlinear nonholonomic constraint of the second order. It is displayed, that without essential lapses for practice the equation of a nonlinear nonhol…
The article is devoted to most important questions of rational nature using, environment protection and population health. There are formulated principals of monitorring system. The article describes the complex of technical means for comprehensive checking of earth condition and low altitude atmosphere. There are poi…
In present article the approach to calculation and modelling of the stationary and almost stationary magnetic fields, based on transformation of a vortical magnetic field to a potential field is stated. The fact consisting in representation of a contour is put in a basis of a method, formed thin closed токовой by a st…
In this paper we introduce a new objective function for vertical partitioning relations in relational databases. It has been built with the new evaluative criterion: cache hit probability. Also present heuristic algorithm for finding the optimal partitioning schema.
The field-effect mobility of graphene devices is discussed. We argue that the graphene ballistic mean free path, Lballcan only be extracted by taking into account both, the electrical characteristics and the channel length dependent mobility. In doing so we find a ballistic mean free path of Lball=300plusmn100 nm at r…
Polycrystalline Bi(1-x)Dy(x)FeO(3) (x = 0.0, 0.03, 0.05, 0.07 and 0.1) ceramics have been prepared via a mixed oxide route. The effect of Dy substitution on the dielectric, ferroelectric, and magnetic properties of the BiFeO(3) multiferroic perovskite is studied. Experimental results suggest that in the Bi(1-x)Dy(x)Fe…
HA-coated CNTs are very stable in aqueous solution and are able to transport through porous media to a significant extent, indicating high environmental mobility. Use of magnetic metaloxide nanoparticles as affinity probes provides a permanent and efficient removal strategy for HA-coated CNTs from aqueous media (see i…
The spectral characteristics of ZnO:Ga and ZnO:Ga,N ceramics prepared by uniaxial hot pressing have been investigated. At room temperature, the edge (exciton) band at 3.12 eV dominates in the luminescence spectra of ZnO:Ga, while a wide luminescence band at 2.37 eV, which is likely to be due to zinc vacancies, is obse…