Download more than 44 examples of thesis, proposal and project topics about ceramic balls in editable WORD file format at undergraduate, graduate and doctoral levels for use and reference in research, articles, theses, student and academic projects.
Mechanical Engineering, Manufacturing and Production Department, Master's Thesis, Introduction High-speed rolling bearings have many applications in rotating machines, whose task is to separate the rotating parts from the fixed parts of the machine. Accuracy is very important in machine tool applications and bearing corrosion resistance in chemical machines. In aerospace ...
Master's thesis in the field of chemical nanoengineering Abstract: Fabrication of ceramic nanofiltration membrane for chloride ion separation (case study: gas condensate) In this research, chloride ion separation using alumina-titania double layer nanofiltration membrane has been investigated. For this purpose, first, the alumina-titania double-layer membrane is made based on ...
Abstract of the process of globalization, the creation of the World Trade Organization and the integration of world markets, rapid and fundamental technological advances, new developments in the field of information technology, increasing rapid changes in consumption and demand patterns, explaining environmental pollution controls and preserving energy resources, the lack of ...
Dissertation for obtaining a master's degree in civil engineering, structural orientation, March 2013, abstract of the scope of using FRP materials for shear strengthening of reinforced concrete beams in
Thesis for receiving the master's degree of Handicrafts Department, Mehr 2013 Abstract: A myth is the narrator of an event that humanity tries to fix alienation from the natural phenomena around it by clinging to it. A
Dissertation for Master's Degree in Industrial Management The process of globalization, the emergence of the World Trade Organization and the integration of world markets, rapid and fundamental technological advances, new developments in the field of information technology, the increase in rapid changes in consumption and demand patterns, the explanation of environmental ...
Master's Thesis in Cultural Entrepreneurship Abstract: Shopping, especially souvenirs and handicrafts, is one of the most important activities of tourists during their travels. Souvenirs purchased from the destination make the travel experience a material and tangible experience for tourists. The purpose of the current research, which was carried out using a ...
Doctoral Dissertation of Soil and Foundation Mechanics Abstract In this research, the discrete element method was used to analyze the wave propagation and investigate the factors affecting the wave speed in granular soils. The method of separate elements is important due to the possibility of preparing completely similar samples and checking the effect of changes of a certain ...
Dissertation for Master's degree (M.Sc) Major: Painting Chapter 1: Overview of the design Introduction The exact speed of light is 299792458 meters per second. He directs the matter from the heavens to the earth, and then ascends to Him on a day that is as much as a thousand years from what you do (Surah Sajdah, verse 5) ""God governs the affairs of the earth from space and ...
Dissertation of the master's course in electrical field (M. Sc) orientation: power Abstract: In this thesis, electrical and mechanical defects in electric machines are examined and the factors that cause them and the methods of fixing these defects are stated. After that, with the help of the winding function method of the simulation machine and the intended error, i.e. the ...
Dissertation for obtaining a master's degree in chemistry, fluoride has been known as a toxic ion for many years. The main source of fluoride in aqueous solutions is minerals containing fluoride and the industrial activities of factories. According to the report of the Environmental Protection Organization, the amount of fluoride more than 1 mg/liter causes various diseases. In ...
Doctoral Dissertation in the field of Civil Engineering - Water and Environment Abstract Network methods are among the most widely used groundwater modeling tools that have been widely spread and accepted in the last two decades. On the other hand, the advancement of computing power of computers and the ease of access to them have led to the rapid development of numerical ...
Master's Thesis in the field of Chemical Engineering Abstract Investigation of parameters affecting the production of alumina gel by sol-gel method Sol-gel method is one of the common methods that is widely used to produce different nanoparticles. In this method, a solution of initiators is mixed with water in the presence of a catalyst, and hydrolysis and polymerization ...
Master's thesis in the field of chemical engineering, abstract of the design of the Driso ring base and the use of hydrocarbon solvent in the dehumidification process in Farashband refinery, water vapor is one of the most important impurities in the flow of natural gas. Usually, the water vapor itself is not a problem, but instead the liquid or solid phase that forms when the ...
Master's thesis in the field: Chemical Engineering Abstract In this research, a comprehensive two-dimensional model based on the Finite Element Method (FEM) is proposed for modeling gas-solvent membrane contactors to remove carbon dioxide[1] from synthesis gas. Aqueous solution of monoethanolamine has been used as absorbent solvent stream and CO2/N2 gas mixture as gas stream. ...
Master's thesis in the field of chemical nanoengineering Abstract The synthesis of silicon dioxide nanoparticles from silicon oil waste using the synthesis method of silicon dioxide nanoparticles [1] has many industrial applications. The industrial use of these particles in traditional fields as well as new fields is expanding, for which new applications are continuously found. ...
Academic Dissertation for Master's Degree in: Organic Chemistry 1-1) Introduction Today, nanotechnology [1] is an attractive subject that has attracted the attention of scientists, industrialists and even ordinary people due to the special properties and practical potentials of these materials. Considering the wide applications of carbon nanotubes, the methods of mass production ...
Dissertation for obtaining a doctorate degree in dentistry. Introduction Removing large amounts of dental tissue weakens the restored tooth. The type of restoration and composite method can be one of the influencing factors on tooth fracture resistance under occlusal forces. The purpose of this study was to investigate the effect of using new low-shrinkage composites on the ...
Academic thesis for obtaining a master's degree in electrical engineering, electronics orientation Abstract In this thesis, firstly, the introduction of graphene, its manufacturing method, advantages and applications in field effect transistors and the conducted research will be extracted and examined, then we will have an overview of the structure of field effect transistors ...
Dissertation for receiving the degree of Doctor of Dentistry Abstract The long-term clinical success of implants is dependent on osseointegration and adhesion of soft tissues and epithelium to implant surfaces. Various indices including: plaque index, gingival index, bleeding during probing and bone resorption are used to evaluate the health of the soft tissues around the ...
Master's thesis in the field of chemical nanoengineering, abstract modeling of chloride ion removal from gas condensate using nanofiltration of chloride ion in gas condensate can cause severe corrosion of equipment and pipes. Therefore, it is necessary to remove it from the condensate flow. The aim of this work is the mathematical modeling of the nanofiltration process for the ...
Dissertation Chemistry for Master's Degree Abstract Acrylic-based pressure-sensitive adhesives are more expensive than rubber-based adhesives, but they have a longer life and resistance to high temperatures, chemicals, UV rays, solvents, light, softeners, and the environment. Modification of acrylic pressure-sensitive adhesives is useful for improving adhesion properties. In ...
Doctoral thesis in the field of chemical engineering. Abstract The study of the effective parameters in the synthesis of silver nanoparticles by the inverse microemulsion method of metallic silver nanoparticles is of interest due to their use as catalysts, antimicrobial agents and biosensors. The practical use of silver nanoparticles is highly dependent on the size distribution ...
Master's Thesis in the field of Chemical Engineering (no orientation) Abstract of the laboratory study of the wear phenomenon of liquid containing sand in pipelines. The studied fluid consists of two phases, liquid and solid. The liquid phase is water, and sand particles form the solid phase. In this research, the parameters affecting the wear rate, including: fluid speed, sand ...
Chemical Engineering Master's Thesis Abstract: In this research, a method for the synthesis of ZSM-5 nanozeolite was presented. Then this nanozeolite was modified with CTAB surfactant and its characteristics were investigated using XRD, FT-IR, and SEM methods. This nanozeolite was used to prepare a modified carbon paste electrode (SMNZ/CPE) to measure sulfate anion. Also, the ...
Dissertation for Master's Degree in Chemical Engineering Abstract According to reports, heterogeneous photocatalysts are suitable for photodegradation of polluting compounds. Many semiconducting metal oxides such as: TiO2, SnO2, ZnO2, etc. can be used as photocatalysts in water splitting reactions, synthesis of organic compounds and removal of wastewater pollution. synthesized ...
Dissertation for Master's Degree (M.Sc) Direction: Applied Chemistry Persian Summary According to international standards, the sulfur in the fuels used in the transportation industry, as one of the most important polluting industries, should be reduced to about 10 ppmw, while many refineries in the world produce fuels with a sulfur content of more than 1000 ppmw. One of the new ...
Master's Thesis in Mechanical Engineering, Applied Design, Abstract: Microelectromechanical systems are generally classified based on the type of their excitation mechanism. In addition to electrostatic excitation, which is considered as one of the most important excitation mechanisms, thermal excitation is widely used in multi-layered and functionally variable ...
Dissertation for Master's Degree in Mechanical Engineering (Applied Design) Abstract In this research, the analysis of vibrations, buckling and wave propagation of wrapped nano beam under axial load on Pasternak substrate is discussed. First, the displacement and displacement field of the wrapped beam is obtained. Then, using the obtained displacement field, strain-displacement ...
An academic thesis for receiving a master's degree in exchange-related agricultural economics is considered one of the important tools for analyzing macroeconomic issues. The main goal of the research is to determine the effect of economic globalization on the exchange relationship of Iran's agricultural sector. In this research, the value of export and import of agricultural ...
The thesis for obtaining a master's degree in the field of mechanics, investigating and analyzing the free and forced vibrations of a multi-walled carbon nanotube placed in an elastic medium in order to achieve a clear mathematical understanding of the behavior of different walls of the nanotube under the influence of van der Waals forces and the elastic medium is one of the ...
Dissertation for obtaining a doctorate degree in the field of mechanical engineering - manufacturing and production: the advantages of using semi-solid processes are reducing the amount of gas porosity and shrinkage and modifying the microstructure, which aims to improve the mechanical properties of the part. In this research, the cooling ramp method has been used to produce the ...
Master's Thesis for Master's Degree Abstract Carbon nanotube can be considered the most amazing nanostructured material discovered so far. Unique features such as high strength, light weight, and high energy absorption capability have made this material recently attracted the attention of scientists in making bulletproof vests. In this thesis, a structural model in the Abaqus ...
Mechanical Engineering Master's Thesis - Applied Design Abstract Today, in various industries such as aerospace, atomic energy, chemical industries, refineries, petrochemical industries, etc., there is a need to use high-pressure mechanisms to enable the completion of relevant processes. The increase in pressure is done inside the cylindrical chambers and as a result, such an ...
Dissertation for Master's Degree in Horticultural Science, Medicinal Plants Abstract: The genus Salvia belongs to the Lamiaceae family, which includes several species. Sage (Salvia sclarea L.) is used in traditional medicine and in trade, especially in the production of essential oil and as a seasoning and flavoring for food. The distribution area of ??this plant is the ...
Dissertation of the Master's course in the field of electricity (M. Sc) orientation: power Abstract: In this thesis, electrical and mechanical defects in electric machines are first examined and the factors causing them and the methods of fixing these defects are stated. After that, with the help of the winding function method of the simulation machine and the intended error, ...
Dissertation for Master's Degree in Mechanical Engineering Field: Applied Design Abstract In this thesis, stability analysis of composite beam reinforced with carbon nanotubes on elastic support under axial force is investigated. The distribution of nanotubes is assumed to be uniform[1]. To determine the properties of materials reinforced with nanotubes, the results of molecular ...
Business Management Thesis: Introduction: The world we live in is witnessing tremendous changes. The speed of these developments is increasing day by day, so that it cannot be compared with the distant past in any way. If we want to be ready to accompany and have the necessary power to keep pace with these developments, we must inevitably create and develop appropriate and ...
Dissertation for M.Sc Mechanical Engineering - Applied Design Orientation Abstract Bearings are widely used in various industries including automobile and aircraft industry. Therefore, it is important to check the bearings, therefore, in this research, the hardness matrix of the angular contact ball bearings has been investigated. In this research, the equations governing the ...
Dissertation for Master's Degree in Mechanical Engineering (Energy Conversion) Abstract In this thesis, the mass and heat transfer of water-aluminum oxide nanofluid in a two-dimensional porous medium under a magnetic field and in the vicinity of a vertical wall has been investigated. The boundary wall can be permeable or impermeable. The concentration and temperature of the wall ...
To obtain a master's degree in mechanical engineering - manufacturing and production. Abstract: The electric discharge machining process is one of the advanced machining processes, which is one of the important applications of this process. Despite the unique applications of this machining method, low chipping rate, high surface roughness, high tool wear rate and environmental ...
Dissertation for M.Sc degree, specialization: manufacturing and production, abstract in this thesis, how to improve the properties of plastics with the help of heat treatment. First, we will talk briefly about polymers, plastics and their sub-branches and heat treatment on them, and then we will discuss the effect of annealing heat treatment on heavy polyethylene sheets that are ...
Master's Thesis in Mechanical Engineering (Energy Conversion) Abstract Numerical investigation of three-dimensional heat transfer in traveling wave amplifier collector with input power of 900 and 3000 watts, traveling wave lamp[1] is one of the types of microwave amplifiers. This lamp consists of five main parts, which are electron gun, slow wave structure, wave input and output ...