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коллекция "otherreferats"
Главная Коллекция "Otherreferats" Производство и технологии
  • 121. Mathematical model of dynamic processes during friction hardening of flat surfaces

    Characteristics of mathematical model of dynamic processes that occur in frictional hardening of flat surfaces of machine parts with use of the tool with the cut transverse grooves on its working parts. Cyclic circuit of the machine’s oscillations.

    статья (360,7 K)
  • 122. Mathematical modeling of trajectory of the maximum subsidence of points on the earth surface caused by working out of coal layers

    The use of the boundary values of parameters of mould displacement of the earth's surface and refining the workings of the design scheme to predict the trajectory of sedimentation. Determination of empirical coefficients of mathematical equations.

    статья (188,5 K)
  • 123. Measures to prevent emergency situation at a dairy plant

    Requirements to design and placement of dairy enterprises. The basic stages of development, preconditions and signs of emergency situations in such enterprises are provided. Schedule of trouble-free stop shop production of condensed canned milk.

    статья (286,0 K)
  • 124. Metal-cutting machines lathes. Hydroelectric power-station

    Appointment, device and action of the turning machine. Types of lathes, depending on the application. Metal processing on machine tools, turning operations. The use of water energy to drive. The principle of operation of the hydroelectric station.

    статья (13,9 K)
  • 125. Method for ultrasonic dispersion of materials

    Grinding of loose materials in order to increase the contact surface, improving rheological activity for the intensification of a number of chemical and physical. Select the most efficient and economically viable method of grinding a hard material.

    статья (17,2 K)
  • 126. Method of increasing the reliability of knowledge-oriented systems software through code reuse mechanisms

    Development and active application of automation methods and tools that ensure the creation of Zois with specified high quality indicators with real restrictions on the use of development resources. Diagram of the "Get Function Listing" use case.

    статья (886,3 K)
  • 127. Minimum standards of anorectal manometry

    The configuration of an anorectal pressure gauge probe, the study of the location of sensors, the radial array of anal sensors, the location and length of the balloon, the pressure sensor inside the balloon. List of tests based on potential indication.

    статья (1,1 M)
  • 128. Modernization of the transport system control of the production system

    Modernization of the transport system of the production system MPS 500. Creation of a new control program in the environment of the TIA portal. The main functions of the frequency converter. Investigation of the final state of the control cabinet.

    статья (761,3 K)
  • 129. Modification of mechanical properties of cement mortar by adding zinc oxide nanoparticles

    The flexural and compressive strength of mortar by partial replacement of cement with Nano-ZnO particles has been studied. The results showed that the flexural and compressive strength of the cement mortars with ZnO were higher than pure cement mortar.

    статья (19,6 K)
  • 130. Multi-party protocol for agreement of shared secret permutations-keys of significant dimension with their isomorphic representations

    The processes of generating large-dimension permutation matrices and their matrix powers, including in their new spaces, along with their features and advantages for modeling a protocol for the agreement of a main cooperative secret key-permutation.

    статья (6,3 M)
  • 131. Multicriteria optimization in the computer-aided design of unmanned aerial vehicles

    The optimization procedure in computer-aided design problem. The methodic of optimal weight coefficients values choice. The use of structural models in the form of tables and morphological trees of quality variants of the signs of aerial vehicles.

    статья (389,2 K)
  • 132. Multispectral images technology in polarized light в задачах автоматичної оцінки якості харчових продуктів

    Аналіз властивостей технології машинного зору. Дослідження комбінованого методу діагностики поверхні біологічних об’єктів за допомогою технології мультиспектральних зображень в поляризованому світлі для автоматичної оцінки якості харчових продуктів.

    статья (626,9 K)
  • 133. Nanostructure formation in superior quality rails

    Using transmission electron microscopy methods the layer by layer analysis of the bulk hardened superior quality rails is carried out, phase state and defect substructure gradients are established. Character of changing of structure-phase states.

    статья (600,2 K)
  • 134. New magnesium alloy with promote properties for automobile construction

    Consideration the influence of scandium on mechanical properties and heat-resistance of magnesium alloy ML10. Macrostructure of ML10 alloy with different scandium content. Sizes of microconstituents of heat-treated alloy with different scandium content.

    статья (437,6 K)
  • 135. Normative providing technologies dismantling joint with interference fit responsible for the use of induction heating

    Joint with interference fit as third in total connections in engineering after a gap of cylindrical and threaded. The inductor for locomotive wheelset disassembly - one of the typical representatives of the induction coil for heating intricate parts.

    статья (138,4 K)
  • 136. Numerical simulation of viscoelastic materials

    The developing of the numerical model of viscoelastic material using finite element method. The comparison of the obtained results with use of FEM software with experimental data. The calculation of the stress and strain state of the asphalt specimen.

    статья (518,9 K)
  • 137. On the distribution of stresses in circular infinite cylinder with cylindrical cavities

    Nonaxisymmetric boundary value problem of elasticity theory for multiconnected body with cylindrical boundaries. Boundary conditions by the generalized Fourier method. The numerical analysis of stresses in the areas of their greatest concentration.

    статья (216,6 K)
  • 138. On the possibility of using of small diameter pine round timber with defects in construction

    Strength is assumed - index for materials which can take standard, calculated values. Significant dependence between bending resistance, absolute size of structural elements. The structure of the wood fibers - factor which determine timber quality.

    статья (393,6 K)
  • 139. Optimal autopilot design on the basis of genetic algorithm

    Calculation of the coefficients autopilot unit for homing rockets based on genetic algorithms in which the autopilot block (AB) quality parameters are considered as the criterion for evaluating the optimality of the AB. Optimality of AB coefficients.

    статья (913,3 K)
  • 140. Optimization of heavy–lift operations and effect on ship’s stability and heeling

    Events held before the loading and unloading of heavy cargo, including taking into account the fact that the ship has an initial roll angle. The position of the keel when loading. The main criteria of ship stability during heavy lift operations.

    статья (2,8 M)
  • 141. Phubbing: a phenomenonthat is mending social relationships

    The effect of mobile messaging during a conversation on impression formation and interaction quality computers. Cellular phone use in class: implications for teaching and learning: A pilot study. The effects of “phubbing” on social inter action.

    статья (18,4 K)
  • 142. Physicomechanical properties of cements with application of barium-containing sulfateferrite clinkers

    Investigation of physical and mechanical properties of the cement using of barium-containing clinker and gypsum stone. Effect of additives of barium-containing sulfateferrite clinker gypsum stone. Longer hardening and limits and compressive strength.

    статья (182,7 K)
  • 143. Polymer nanocomposite films with embedded carbon nanotubes

    The conductive nanocomposite films on the basis of reactionary copolymers received. The threshold of their percolation is determined. It was shown that its value depends on the size of specific surface of nanotubes and conditions of composite obtaining.

    статья (1,0 M)
  • 144. Polyphenol composition and technological characteristics of the coloured whey from various origin

    The purpose of this scientific work was to determine the polyphenolic composition and technological characteristics of colored whey of various origins, obtained by coagulation of milk proteins with traditional berry raw materials and wild herbs.

    статья (118,8 K)
  • 145. Positron trapping processes in temperature-sensitive thick-film structures

    Review trapping processes in so-called “free” thick-film structures based on spinel-type Cu0.1Ni0.8Co0.2Mn1.9O4 ceramics. Studies need to add glass in the ceramic material. Positron trapping processes in temperature-sensitive thick-film structures.

    статья (337,6 K)
  • 146. Pottery and porcelain

    History of the appearance of ceramics. Ceramic products, types of ceramics. Features of technology of production of ceramic products. Ceramics of the Urals. The Perm State Arts Gallery is big Museums in the Ural region. Changes to the "Willow Pattern".

    реферат (2,0 M)
  • 147. Power consuption simulatuin by the manipulator in a mode of immediate automated control

    Modeling and principle of operation positioner power consumption in the direct mode of automated management. Evaluation of the use of the corrected function decline in electricity consumption in the automated control system of technological process.

    статья (470,5 K)
  • 148. Procedural aspect of interdisciplinary integration in technical university

    The place of interdisciplinary educational technology in the system of engineering training. The role of the course of theoretical mechanics in the system of engineering disciplines. Presentation of scientific and subject knowledge of the discipline.

    статья (15,0 K)
  • 149. Process optimization of vibroresonance sewage disinfection

    Models which adequately combine technological parameters with indicators of treatment quality have been designed for the cavitation cleaning processes of sewage from organic admixtures. Water of industry and public water use it is considered as sewage.

    статья (343,1 K)
  • 150. Processing of thermosets

    Thermosetting plastics, their irreversible chemical reaction (polymerization), including the effects of temperature and time. Bringing the resin composition to a liquid state, forcing the liquid to flow into the cavity of the desired configuration.

    статья (14,8 K)

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