Materials Literature
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The design of the cycle-repeat timer's way of measurement of the torsion torque is offered. The digital part of the microprocessor system is developed on the basis of the microcontroller and the circuits of the primary signal transformation. The results of the analytical research are confirmed by the experimental data.
The architecture and building possibilities of attitude system of unmanned and ultralight air vehicles based on modern inertial sensors are considered. Executed development testing has corroborated possibility of using micromechanic sensors for the construction of an inexpensive inertial navigation system for unmanned…
Experimental noise research was held in mechanical shops conditions. The noise research demonstrated exceeding of norms by 6-20 Db on the sound pressure levels in the zone of frequencies of 250-8000 Hz for turning-revolving lathes.
Theoretical and experimental data on chemical, disperse composition of foundry dust are analyzed. Parameters of true density of dust coming out of sandblast machines and the section of castings shakeout from moulds of PLC “Rostvertol” have been determined experimentally. Technical measures on pollution reduction of wo…
It is shown on the example of the torsion problem that in radially-layered cylinders with alternating rigid and soft layers there are poorly fading boundary-layer solutions. Elementary decisions corresponding to them can get deeply enough and change essentially a picture of the stress-strain condition far from end fac…
The analysis of suggestive function of photography in the contemporary society is given. Mechanisms of influence of photography and manipulation features of mass consciousness are investigated.
Causes of family values devaluation are analyzed, the impact of mass culture, conformable and apathetic mode of young people's life on the lowering of the interest in family and marriage relations are investigated.
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The aim of the optimization of the liquid-moving self-firming mixture (LSM) content together with the regenerated sand for making steel shaped casting forms is discussed. The investigation results of the mixture main technological features during the change of its content are given. The design of mixture main technolo…
A method of calculation of the thrust plain bearing with adapted profile of the bearing capacity, providing the increased bearing capacity of the bearing, working on the stratified two-layer lubrication in the presence of the porous layer on the surface of the guide is suggested.
Some aspects of the society’s estimation of municipalities based on their performance results as some complex of sociosystem elements are discussed.
Analysis of activation of solution and diffusion processes under the interaction between melt and solid is used. Dependence of the original material concentration on temperature, time, melt and solid area of contact, viscosity and melt volume is derived.
Correlations for entropy criterion of stress rupture and durability expressed through the main heat physical and physicomechanical constants of the material are determined.
The effect of silane treatment of carboxylic-functionalized multi-walled carbon nanotubes (COOH-MWCNTs) on the thermal properties of COOH-MWCNTs/epoxy nanocomposites was studied by comparing the research results on differential scanning calorimetry and thermogravimetric analysis data of silane treated COOH-MWCNTs/epox…
The design and specifying kinematic calculations techniques allowing to define the ratio and teeth numbers of the constant pair that meet the accuracy requirements of some metal-cutting machines by cost and time minimization are offered.
The dependence of pressings density on the basis of the granulated aluminium powder is investigated. The definition technique of fractal dimension of powder materials surface is offered.
An algorithm of identification automation of the distribution laws on the basis of approximate analysis experimental data is given in the article. The method is founded on the decomposition statistics in Fourier series in space L2. There are two necessary and sufficient criteria for automatic setting up of the hypothe…
Some aspects of the methods for calculating indices of expert information difference and coordination are considered. Analytical expressions of the mentioned indices for 13 typical variants of belonging functions’ pair arrangement have been obtained. The methods applying example is given.
The currency exchange regulations carried out by the customs bodies in the given area within the bounds of their competence, and also the control over declaring of particular kinds of goods are discussed. The analysis of the standard-legal base concerning the procedure of the diversion of goods by natural persons is c…
Prognostication possibility of exchange rate by means of forward transaction is considered.