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коллекция "otherreferats"
Главная Коллекция "Otherreferats" Производство и технологии
  • 61. Cleaning of natural and sewage water using new composite flocculants-coagulants

    А technology for manufacturing composite materials - flocculants-coagulants on aluminum-silicon and iron-silicon base. The evaluation of the effectiveness of the developed flocculants-coagulants for cleaning of natural water and industrial wastewater.

    статья (259,2 K)
  • 62. Combining molecular sieve and complexing properties of the column packing in gas chromatography

    Analysis of the selective adsorbent. Influence of modifying pentasyl group synthetic zeolites (Silicalite-1 and Silicalite-2) with metal cations capable to specific interactions on the separation ability of the chromatographic column has been studied.

    статья (104,3 K)
  • 63. Commercial potential of linear Fresnel solar collectors in the industrial sector of Ecuador: preliminary assessment

    The manufacturing industry may be a key sector for the application of this technology, reduce the use of conventional energy sources, especially in the food industry located in the Andean region. Ecuadorian policies and regulations on renewable energy.

    статья (307,0 K)
  • 64. Comparative analysis on performance emission test of single cylinder engine and multi cylinder engine

    In the test of diesel engine, because the performance test of multi cylinder engine with different configuration needs to be replaced, and there is a certain risk in the first test, while the single cylinder engine is more suitable for the research.

    статья (1,7 M)
  • 65. Comparative studies on physico-chemical properties of indium sulfide films deposited under different deposition conditions by chemical bath deposition

    Analysis of the effect of deposition parameters on the crystal structure, surface morphology and compositional properties of an indium sulfide films. The use of electron microscopy to study the orientation of grains. Investigation of optical absorption.

    статья (658,0 K)
  • 66. Comparison and contrasting of laser machining and photochemical machining for the manufacture of complex geometries in sheet metals

    Comparison of two non-conventional processes which are laser and photochemical machining. The formation of complex shapes in metal sheets. Chemical etching of the material for the manufacture of the desired finished product by a controlled corrosion.

    статья (218,7 K)
  • 67. Comparison of finite element modeling and analytical approach results for oscillating rod structure with crack

    The comparison of natural modes for the first and second transverse oscillation modes obtained by numerical simulation and finite element package of analytical calculation of the core model. The analysis waveforms for different values of the defect.

    статья (2,0 M)
  • 68. Compatibіlization of polymeric composition filled with ground tire rubber - short review

    Analysis of the problem of recycling used tires. Search for methods of processing rubber waste. Investigation of foamed polymer compositions filled with rubber. The use of partial vulcanization to increase the interfacial interaction in the polymer blend.

    статья (1,6 M)
  • 69. Complex use of recovered heat to increase the efficiency of gas-fired boilers

    The work of complex heat-recovery systems using water-hiting and air-heating heat-recovery exchangers was investigated. The combined use recovered heat to heat the return heat-network water, water of chemical water-purification system or combustion air.

    статья (264,3 K)
  • 70. Compression of digital images on the basis of multilevel spline approximation

    Characterization of features spline approximation television pictures. Rearranged algorithm spline approximation television images detailing calculation of the coefficients which gives the possibility to improve the quality of decompressing video.

    статья (183,7 K)
  • 71. Computer-aided design of vertical-axis wind turbines

    Computer-aided system as a solution of the computer-aided design task. Aerodynamical aspects of vertical-axis wind turbines. Principle of action of lift-driven vertical axis wind turbines. Formulation of the methodical basis for computer program.

    статья (477,4 K)
  • 72. Consider 3D microstructures for mechatronics technology

    Defining of dimensional relationships where the aspect ratio. The building process for 3D microdevices. The features of creation surface energy high enough to maintain adhesion of the electroplated material until completion of the plating process.

    реферат (148,4 K)
  • 73. Control of crane mechanisms with electric drive frequency converter

    The electric drive of Crane mechanisms. The powered motor speed control via frequency converter and process control via programmable logic controller. Cranes are an important part of many industries and construction sites used for lifting heavy loads.

    статья (854,6 K)
  • 74. Control system of a promising domestic unmanned aerial vehicle of a tactical command link

    Controlling the rudder, counting the distance traveled, turning off the engine and resetting the wings - the simplest autopilot functions. Radio control - the technology, that allows drones to follow difficult routes, perform maneuvers in the air.

    статья (8,3 K)
  • 75. Counting the number of entering and exiting passengers on buses using YOLOv8

    The application of the YOLOv8 and ByteTrack real time object identification algorithms to accurately determine the number of individuals boarding and exiting buses. This study aims to determine the prevalence of stowaways on buses in Kazakhstan.

    статья (1,7 M)
  • 76. Creation of the system for ensuring the uniformity of measurements in Ukraine in the XX century

    The peculiarity of the formation and development of the system of ensuring the unity of measurements in Ukraine, in particular its technical basis - the reference base. Stages of formation of the Ukrainian system of ensuring the unity of measurements.

    статья (19,8 K)
  • 77. Creep - the plastic deformation of a material

    Creep and fatigue in polymer matrix composites. Stages, characteristics and deformation of creep. Mechanisms of creep. General creep equation. Dislocation, nabarro-herring, coble creep. Creep of polymers, of concrete. The molecular weight of the polymer.

    курсовая работа (575,2 K)
  • 78. Current trends in the development of scientific and technical tools for the research of jewellery with inserts of precious stones

    Analysis of new scientific and technical knowledge about the nature of the origin of precious stones and their synthetic analogues and imitations. Review of existing technologies, modern devices for diagnostics of jewelry with inserts of precious stones.

    статья (94,0 K)
  • 79. Cистема управления технологическим объектом

    Анализ кинематики токарного станка с вертикально-наклонной компоновкой. Кинематическая схема токарного центрового полуавтомата с числовым программным управлением. Стандартный кадр управляющей программы: круговая интерполяция без указания скорости подачи.

    курсовая работа (55,2 K)
  • 80. Cпецифика проведения испытаний древесных композиционных материалов методом газового анализа на российских предприятиях

    Использование метода газового анализа в европейских странах для контроля экологической чистоты древесных композиционных материалов по выделению формальдегида. Повышение чувствительности методики. Построение криволинейного калибровочного графика.

    статья (330,0 K)
  • 81. Cпрямований вибір силових вузлів агрегатних верстатів за компоновочними та технологічними вимогами

    Огляд технологічних можливостей і компоновочних характеристик силових головок пінольного типу, на основі яких компонуються агрегатні верстати середнього розміру: особливості циклограмування та розрахунку складних циклів оброблення під час свердлування.

    автореферат (40,9 K)
  • 82. Cтоки лакокрасочного производства

    Исследования по результатам чистки сточных вод лакокрасочных предприятий. Установки для механической физико-химической и биологической очистки. Обработка воды коагулянтами. Установки автоматического фильтра типа Black. Сточные воды лакомасляного цеха.

    контрольная работа (204,3 K)
  • 83. Deep-sea dredging experimental research in the black sea

    The establishment of unfavorable modes of operation of mining equipment under which there is an unstable position in space of the suction head during its descent to the bottom. The influence of hydrostatic pressure on the strengthening of the digging.

    статья (493,5 K)
  • 84. Demystifying Customer Perception of Electric Vehicle Adoption in South Africa Using the Technology Acceptance Model

    Demand for vehicles with a zero carbon footprint. Understanding the predictors of human behavior regarding the potential adoption or rejection of a technology. A comprehensive consideration of the possibilities of switching to low-emission vehicles.

    статья (99,6 K)
  • 85. Design of a controller for ideal positioning servosystem

    Motion systems as core technologies, as mechanical systems, like microelectronic manufacturing equipment, are required to achieve high speed and accuracy. The influence of the dynamics of a mechanical system on the quality of the position tracking syste

    статья (581,1 K)
  • 86. Designing of a cavitation heat generator for heating water with a capacity of 10kw

    Creation of a 3D model of the design scheme of the water heating and cavitation device and simulation in Hysys software. The main relationships between temperature, pressure and flow rate of the cavitation generator of the pulse hydrocycle unit.

    статья (900,9 K)
  • 87. Designing of a liquid cooler with a phase transition with a power of 5 kW

    Development of a diagram and installation of a prototype of a two-flow heat pipe with the ability to regulate the parameters of the working environment. Using of the method of pulsed supply of liquid coolant to increase the heat transfer of a heat pipe.

    статья (943,0 K)
  • 88. Detection of genes associated with qualitative characteristics of gluten

    Comprehensive analysis of allelic protein variants suitable for use in bakery products made from Iraqi wheat varieties, as well as biological evaluation of these varieties using a genetic source using a general method of qualitative grain selection.

    статья (1,2 M)
  • 89. Determination of beef, sheep and goat meat by PCR

    Research on the identification of meat varieties and the presence of beef, sheep and goat meat in the composition of sausage products. Use of multiplex kits for real-time PCR. Cross-reactivity between sheep and goat meat given their genetic similarity.

    статья (134,9 K)
  • 90. Determination of fractional composition of jet fuel

    Characteristics of jet fuels: general information and properties. Fractional composition: initial boiling point and 10% fuel distillation temperature, 50% fuel distillation temperature and temperature of 90 % fuel distillation (t90) and dry point.

    контрольная работа (399,9 K)

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