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Number of pages: 113 Category: Biology - Environment

Dissertation for receiving a Master's degree (M.Sc.) specialization: Environment Abstract Gaseous liquids obtained from the refining of sour gases are also sour and contain a large percentage of hydrogen sulfide and mercaptans. Therefore, after distilling and preparing the products, it needs refining processes to remove or reduce the amount of sulfur and mercaptans present. ...

Number of pages: 158 Category: Facilities - Mechanics

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 ...

Number of pages: 131 Category: Geography - Urban Planning

Dissertation to receive a master's degree in the field of meteorology with an urban orientation. Abstract: The researches conducted in the world mainly indicate a gradual increase in the average temperature. Today, the trend of freezing temperatures is one of the most important climate parameters that are evaluated to prove climate change in a region. Analyzing the trend of the ...

Number of pages: 153 Category: Electronic Engineering

Dissertation for obtaining a master's degree in electrical engineering, electronics, abstract, accurate measurement and control of temperature in industrial and research systems is of particular importance, and the correct operation of some industrial and laboratory tools is possible only in a certain location with a small number of channels (maximum 8 channels). Therefore, the ...

Number of pages: 81 Category: Electronic Engineering

Dissertation for Master's Degree in Electrical Engineering (M.Sc) Abstract The power system stabilizer is added to the excitation system in order to improve the damping of the power system during low frequency disturbances. For large-scale power systems that include a large number of connected generators, setting the power system stabilizer parameters will be a complex and ...

Number of pages: 81 Category: Electronic Engineering

Dissertation for Master's Degree in Electrical Engineering (M.Sc) Abstract The power system stabilizer is added to the excitation system in order to improve the damping of the power system during low frequency disturbances. For large-scale power systems that include a large number of connected generators, setting the power system stabilizer parameters will be a complex and ...

Number of pages: 96 Category: Geography - Urban Planning

Dissertation for receiving the M.A. degree in the Department of Geography. The field of natural geography, the trend of climatology in environmental planning, is the abstract of a flood, a water flow that exceeds the capacity of the river channel and then flows into the adjacent floodplain. Although many local hydrological factors related to the catchment may affect the flood, ...

Number of pages: 120 Category: Electronic Engineering

Master's thesis in electrical engineering, power, power trend, abstract network development planning, operation planning and finding solutions to improve the security and economic performance of the power system all require system studies. The most necessary step in conducting these studies is network modeling, which itself requires detailed information about the impedance ...

Number of pages: 81 Category: Computer Engineering

Dissertation of the master's course in computer engineering, software orientation. Abstract The necessity of increasing use of distributed data in computer networks is clear to everyone. A large number of computing and storage resources are placed together and form the grid. In recent years, grid technology has grown significantly, so that it has been used in most scientific ...

Number of pages: 106 Category: Civil Engineering

In order to obtain a master's degree in the field of civil engineering - soil and foundation orientation, Abstract Nowadays, circular foundations are more or less used for structures, especially structures that have axial symmetry. In this research, a numerical study was conducted on bearing capacity and settlement of annular foundation. PLAXIS software was used for modeling. ...

Number of pages: 110 Category: Civil Engineering

Master's thesis in the field of civil engineering, structure orientation. Abstract: In this study, the effect of some effective parameters on the strength of polymer concrete based on epoxy resin, including hardener, filler, and solvent, has been investigated. Rice husk ash and broom stalk ash were used as fillers and acetone-toluene mixture with a ratio of 50-50% was used as a ...

Number of pages: 222 Category: Civil Engineering

Master's Thesis on Hydraulic Structures Abstract: Washing water around the existing structures in the flow path is one of the important issues that should be considered in the design of such structures. For this purpose, the investigation of this phenomenon around the circular bases in the condition of clear water was carried out in laboratory physical modeling. For this ...

Number of pages: 145 Category: Textile Industries

In order to receive a master's degree in textile technology, it is essential to know the physical and mechanical properties of carpets to produce a quality product and maintain the proper appearance. In this research, an attempt has been made to provide a model to determine the relationship between the different parameters of these characteristics, therefore, to measure these ...

Number of pages: 117 Category: Management

Dissertation for Master's Degree in Business Administration (M.A.) Direction: Marketing Abstract With the expansion of competition and the saturation of many markets and continuous changes in the environment and the composition of the population, companies faced the fact that, today, each customer has its own special value and now companies have to fight to gain a greater share ...

Number of pages: 60 Category: Chemical - Petrochemical Engineering

Dissertation for Master's Degree in Chemistry (Applied Chemistry - Polymer) Abstract: Ethylene polymerization was successfully performed in the presence of Phillips catalyst and in the slurry phase. In the continuation of the work, the effect of some effective parameters in polymerization, including the effect of trialkylaluminum, the effect of 1-hexane comonomer, the effect of ...

Number of pages: 79 Category: Food and Packaging Industries

Dissertation for receiving a master's degree, specialization: food industry, abstract of osmotic dehydration, the process of removing water is based on the placement of food materials in a hypertonic solution. In this research, the combination of osmotic dehydration process for carrot pieces with a thickness of 0.5 cm at a temperature of 60 degrees Celsius and time intervals of ...

Number of pages: 81 Category: Food and Packaging Industries

Dissertation for receiving a master's degree, specialization: food industry, abstract of osmotic dehydration, the process of removing water is based on the placement of food materials in a hypertonic solution. In this research, the combination of osmotic dehydration process for kiwi pieces with a thickness of 0.5 cm at a temperature of 60 degrees Celsius and time intervals of ...

Number of pages: 142 Category: Chemical - Petrochemical Engineering

M.Sc. Dissertation for Master Degree in Chemical Engineering - Process Engineering Abstract Mercaptans are removed from hydrocarbon streams by various methods. The use of caustic soda solution and mucoli sieve beds are among the most widely used methods. In the oil and gas industries of our country, washing with relatively dilute caustic solution is often used to remove light ...

Number of pages: 86 Category: Chemical - Petrochemical Engineering

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 ...

Number of pages: 115 Category: Chemical - Petrochemical Engineering

Doctoral thesis in the field of chemical engineering abstract theoretical and experimental investigation of the continuous process of desalination of heavy crude oil using microwaves and ultrasonic waves Desalination of crude oil is the first step in oil refining, by which the undesirable compounds with the oil are separated before they reach the main unit. In order to reduce ...

Number of pages: 184 Category: Chemical - Petrochemical Engineering

Master's Thesis in Chemical Engineering, Thermodynamics and Kinetics Abstract: A major part of the final properties of the product in emulsion polymerization is determined by the particle size distribution. In this project, an accurate model based on population balance equations (zero-one model) which includes the phenomena of nucleation and particle growth has been chosen to ...

Number of pages: 95 Category: Electronic Engineering

Master's Thesis in Telecommunication Electrical Engineering- LFSR-based scrambler parameter blind detection system in digital data In digital telecommunication systems, linear scramblers are used both for simple encryption and for breaking a large sequence of identical bits. The bit sequence issue, i.e. a large number of 0's and 1's in a row, usually leads to synchronization ...

Number of pages: 158 Category: Chemical - Petrochemical Engineering

Dissertation for Master's Degree in Chemical Engineering Abstract Paying attention to the issue of safety in industrial and chemical facilities is very important. According to the statistics, the amount of human, economic and environmental damages caused by industrial accidents every year in the world is very high. In addition, some of these damages are basically irreparable. ...

Number of pages: 129 Category: Chemical - Petrochemical Engineering

Dissertation for Master's Degree in Chemical Engineering, Biotechnology, Abstract: Microbial proteases are among the most important hydrolyzing enzymes, which account for 60% of the global market of industrial enzymes. In this research, synthesis of protease enzyme in solid state fermentation process using Bacillus bacteria. licheniformis was investigated. Various agricultural ...

Number of pages: 107 Category: Chemical - Petrochemical Engineering

Master's Thesis in Chemical Engineering Abstract Simulation of dynamic surface tension phenomenon in solvent oil systems based on permeation process is one of the prominent processes in the field of increasing extraction from oil reservoirs, gas injection. Therefore, a correct understanding of the mechanisms and how these processes are carried out is a big step towards ...

Number of pages: 116 Category: Physical Education - Sports

Dissertation for Master's degree (M.A) Major: Sports Biomechanics Dissertation Abstract (including summary, objectives, implementation methods and obtained results): Research context: Naturally, with age, balance and walking control decline and lose their efficiency. Therefore, it is necessary to identify and introduce appropriate, safe and low-cost intervention solutions to ...

Number of pages: 118 Category: Chemical - Petrochemical Engineering

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 ...

Number of pages: 107 Category: Chemical - Petrochemical Engineering

Thesis for receiving a master's degree in the field of chemical engineering in the field of biotechnology. The abstract of this research was conducted in order to optimize the operational parameters for the use of bioleaching technology in the extraction of copper from the slag produced by the reflective smelting furnaces of Sarchesmeh copper complex. Wide applications of ...

Number of pages: 86 Category: Electrical Engineering

Master's thesis in electrical engineering, power, power trend, abstract network development planning, operation planning and finding solutions to improve the security and economic performance of the power system all require system studies. The most necessary step in conducting these studies is network modeling, which itself requires detailed information about the impedance ...

Number of pages: 172 Category: Industrial Engineering

Dissertation for receiving the master's degree ""M.Sc."" Direction: Process Engineering Abstract In this research, quantitative assessment of risk caused by process accidents, such as leakage The process equipment, including flanges and valves, which may occur in the gas pressure boosting station of Ramsar city, has been investigated. This evaluation is based on the collected ...

Number of pages: 88 Category: Chemical - Petrochemical Engineering

Dissertation for receiving the master's degree ""M.Sc."" Chemical engineering trend, thermodynamic and synthetic engineering Abstract In this study, the modeling of dilute acid hydrolysis of walnut green skin as a sample of lignocellulosic material to produce fermentable sugar in the bioethanol process has been studied. The four parameters of temperature, time, acid ...

Number of pages: 170 Category: Mining Engineering

Thesis for receiving a master's degree in mining engineering - mineral processing trend. The abstract of the Golghar Sirjan complex magnetite processing plant includes three circuits of dry crushing and classification, dry magnetic separation and crushing and more magnetic separation. The tonnage of the incoming feed to the factory is 450 tons per hour and the tonnage of the ...

Number of pages: 94 Category: Electrical Engineering

Master's Thesis in Telecommunication Electrical Engineering- LFSR-based scrambler parameter blind detection system in digital data by Zahra Zakeri In digital telecommunication systems, linear scramblers are used both for simple encryption and for breaking a large sequence of identical bits. The bit sequence issue, i.e. a large number of 0's and 1's in a row, usually leads to ...

Number of pages: 117 Category: Biology - Environment

Dissertation for Master's Degree (M.Sc.) Orientation: Environment Abstract Based on the studies conducted, there are various processes for desulfurization of naphtha, which determine the method of desulfurization of naphtha, there are very determining parameters, and the type of sulfur compounds and operating temperature and pressure are one of the most important parameters that ...

Number of pages: 87 Category: Electrical Engineering

Dissertation for Master's Degree in Electrical Engineering (M.Sc) Major: Power System Abstract Stabilizer is added to the excitation system in order to improve the damping of the power system during low frequency disturbances. For large-scale power systems that include a large number of connected generators, adjusting the power system stabilizer parameters will be a complex and ...

Number of pages: 75 Category: Facilities - Mechanics

Dissertation for M.Sc) in the field of mechanics in the field of construction and production. Abstract In the present research, the design and construction of the ECAR machine in order to investigate the effects of the process on carbon steel sheets was our goal. The desired research was carried out in the research workshop of Islamic Azad University, Jaseb branch. After the ...

Number of pages: 135 Category: Food and Packaging Industries

Dissertation for Master's Degree in Agricultural Engineering - Food Science and Technology - Food Technology Abstract Vegetable oil is considered a strategic product in our country. The amount of import of this product in the country is important, and for this reason, the effort to produce crude oil extracted from oilseeds in the country, at the level of competition with its ...

Number of pages: 73 Category: Facilities - Mechanics

Dissertation for M.Sc. Mechanical Engineering - Manufacturing and Production Trend Abstract The manufacture of square and rectangular pipes has received more attention due to their wide use in industries that require high pressure and temperature. There are different methods for making rectangular tubes, including extrusion, stretching and pressing. Another method that has been ...

Number of pages: 84 Category: Facilities - Mechanics

Master's Degree Thesis Abstract With the advancement of technology, the need to use new materials is felt. New methods have been developed to make new materials. Among the new materials in progress, we can mention double-layer sheets. These materials have composite properties of composite materials. The purpose of this research is to produce a double-layer sheet of 304L ...

Number of pages: 170 Category: Animal Husbandry - Poultry Farming

Dissertation to receive a Master's degree (M.Sc.) in the field of Animal Science, Animal Nutrition, Abstract: Poultry breeding has taken a special place to provide part of the nutritional needs of the society, and the current society has correctly recognized this position and it is expanding every day. Therefore, it is very important to try as much as possible to improve the ...

Number of pages: 124 Category: Electrical Engineering

Abstract Changing the parameters in an industrial process causes the process to go out of its optimal working point. This change, in turn, will reduce the efficiency of closed-loop controllers that are designed for the optimal operating point of the system. Therefore, it is necessary to first detect and identify these changes as a defect and then correct the system behavior by ...

Number of pages: 51 Category: Fisheries

Abstract This study was conducted to determine the effect of different levels of vitamin E and C on growth indices and blood parameters in flowerhorn fish (Cichlosoma sp). 9 diets containing a combination of 0, 100 and 1000 mg/kg of food of vitamin E and 0, 100 and 1000 mg/kg of food of vitamin C were considered in three replicates for 8 weeks. The initial weight of the fry was ...

Number of pages: 125 Category: Facilities - Mechanics

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 ...

Number of pages: 198 Category: Facilities - Mechanics

Master's thesis in the field of mechanical engineering (applied design trend) Abstract of the study of the deterioration of non-isotropic TWB sheets under the hydroforming process. During the research, four different metals of aluminum alloys 6111-T4, 5083-H18, 5083-O and dual-phase steel DP590 and two spherical tensile tests and simple uniaxial tensile tests were used. Then we ...

Number of pages: 88 Category: Facilities - Mechanics

Dissertation for M.Sc Master's Degree, Mechanical Engineering-Manufacturing and Production Abstract Nowadays, due to the need for parts with high strength and low weight, the method of manufacturing parts has become important. Hot gas forming [1] is a new process that, due to the elimination of side operations such as welding, the total weight of the parts is reduced, the ...

Number of pages: 68 Category: Facilities - Mechanics

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 ...

Number of pages: 110 Category: Facilities - Mechanics

Dissertation for Master's Degree in Mechanical Engineering, Manufacturing and Production, Abstract: The process of laser forming, especially in recent years, has been widely noticed. In this process, shaping is done by irradiating the laser beam on the surface of the sheet, which is accompanied by a rapid local heating and subsequent cooling of the heated area. However, the way ...

Number of pages: 124 Category: Civil Engineering

Thesis - Master's Degree in Geophysics - Seismology 2012 Abstract Seismic hazard estimation to calculate a certain level of damage and vulnerability in the design of structures is one of the most important topics and principles of earthquake engineering, but

Number of pages: 164 Category: Management

end­ Letter for receiving a master's degree (M.A.) in the field of business management, financial orientation, fall 2013. Abstract of this research is a group of items from the exploration of the basics of research evaluation regarding motivation.

Number of pages: 127 Category: Management

Master's degree thesis of Master's degree: MBA ???? Abstract: In recent years, the importance of the experience of buying pleasure

Number of pages: 121 Category: Civil Engineering

end‌name? Rasht Master's Degree: Civil Engineering (M.S.C.) Focus: Hydraulic Structures Academic Year 2011-2012 Summary of the Minab River, the most important river of Khan? The fresh water is in Hormozgan province. this river

Number of pages: 148 Category: Civil Engineering

Master's Thesis in Geophysics – Seismology 2019 introduction of spectral acceleration maps by probabilistic method for Iran in the range of 44-54 geographic longitude and 40-26-5 geographical latitude based on the analysis

Number of pages: 142 Category: Educational Sciences

Abstract The general purpose of the research is to analyze the content of social studies books for the fourth and fifth grades of elementary school based on metacognitive skills. Descriptive research method and basically a ""research"" Content analysis " is cup

Number of pages: 176 Category: Civil Engineering

Doctoral Dissertation on Earthquake Geophysics­ Science, September 2012 Abstract In this treatise, several combined simulation methods are used in order to produce artificial maps of the earth's powerful movement. Based on this, there are two methods

Number of pages: 104 Category: Civil Engineering

Master's Thesis in Civil Engineering - Earthquake Engineering March 2012 Abstract Reinforced soil is a special material that is created from the combination of soil and reinforcing member. Arming components resistant to N

Number of pages: 160 Category: Management

In order to receive a master's degree in the field of educational sciences (M.A.), orientation: educational management, autumn 2012, abstract, the main purpose of this research is to determine the relationship between organizational culture and human resources productivity in the Department of Education.

Number of pages: 221 Category: Management

Dissertation of master's degree in the field: MBA management with marketing orientation Fall 2011 Persian Abstract: This research seeks to extract a model for selecting brand development strategies. In this research, S

Number of pages: 139 Category: IT Information Technology Engineering

Master's Thesis of Information Technology Management (M.Sc) academic year 1389-1390 Abstract In order to study and predict the distribution pattern of economically important benthic fish, catch data of 10 species

Number of pages: 130 Category: Economics

The first chapter General 1 - 1 program introduction­ Economic planning requires knowledge of the general performance of the country's economy. But in most countries, some of the economic activities are exposed to politics

Number of pages: 107 Category: Economics

Master's degree thesis Industrial Engineering - Social Economic Systems August 1391 Abstract of the project scheduling problem with limited resources is one of the most famous problems raised in research topics in general

Number of pages: 121 Category: Geography - Urban Planning

Dissertation for obtaining a master's degree M. A) Field: Geography and Urban Planning Chapter 1 (Research Plan) 1-1- Introduction The establishment of any urban element in a specific physical-spatial location of the city is subject to specific principles and rules and mechanisms (mechanisms) which, if followed, will lead to the success and functional efficiency of that element ...

Number of pages: 173 Category: Industrial Engineering

Dissertation for Master's Degree in Polymer Industry Engineering April 2013 Abstract Nowadays, the topic of energy and energy saving in all fields, even in homes, is one of the most important.

Number of pages: 124 Category: Geography - Urban Planning

Thesis for obtaining a master's degree in the field: Geography, specialization: Climatology in environmental planning. Abstract Different climatic parameters such as temperature, humidity and rainfall in a place are factors that influence the climate of that region and knowing them determines the climate of that region. Climate change is one of the most important climate issues ...

Number of pages: 109 Category: Industrial Engineering

Dissertation of master's degree in industrial engineering Winter 92 abstract Production planning is actually allocating and determining the order of priorities for doing things optimally.

Number of pages: 107 Category: Industrial Engineering

Thesis for receiving the degree of M.Sc. Industrial Engineering-Industrial Engineering Summer 2013 Abstract: In today's age, are there fewer companies? It can be seen that it is exclusively related to the production of a product.

Number of pages: 121 Category: Industrial Engineering

Thesis for receiving the degree of M.Sc. Field: Industrial Engineering, Orientation: System Management and Productivity, Winter 2013, abstract of the problem of locating the axis of one of the fields.

Number of pages: 91 Category: Industrial Engineering

Dissertation for Master's Degree in Industrial Engineering, Industrial Orientation, Esfand 90, Abstract Today, due to the progress in technology, the globalization of markets, the diversity of customer demand, and the increase

Number of pages: 110 Category: Industrial Engineering

Department of Industries Thesis for receiving the master's degree fall 2013 Abstract The approach of a production system depends on the low downtime of equipment and process. keep

Number of pages: 100 Category: Management

Master's Thesis in Industrial Management - Operations Research. Abstract Many researches have been conducted in the field of urban transportation, each of them trying to improve these networks by specifying the type of vehicle and also a specific purpose. The current thesis also tries to provide a mathematical model to increase the income of Tehran subway. For this purpose, we ...

Number of pages: 327 Category: Geography - Urban Planning

Dissertation for master's degree in geography and urban planning. Dissertation/dissertation abstract: The rapid expansion of Iran's megacities without predicting and establishing the necessary institutional and legal arrangements to control and guide the development and provide appropriate services in the entire region causes numerous content problems and challenges. The ...

Number of pages: 121 Category: Geography - Urban Planning

Dissertation for receiving a master's degree in the field of natural geography in the field of climate change. Abstract: With the process of global warming and water resources becoming more valuable due to population growth and the needs of industries and agriculture, numerous investigations have been conducted in line with water conservation and protection programs in line with ...

Number of pages: 143 Category: Economics

In order to obtain a master's degree in the field of economics, economic sciences December 2013 Abstract Globalization can be considered a process in which the economic borders between countries are becoming less and less every day.

Number of pages: 148 Category: Geography - Urban Planning

Dissertation for Master's Degree in Geography and Urban Planning Abstract Today, one of the most obvious problems of contemporary urban planning is the crisis of meaning, both social and physical, in place. After the victory of the Islamic Revolution, the expectation of changes in various cultural fields gradually entered the physical realms and created the desire to restore the ...

Number of pages: 93 Category: Social Sciences - Sociology

Dissertation for Master's Degree (M.A.) Field: Economics: Development and Planning Abstract of Thesis (including summary, objectives, implementation methods and results obtained): SAD as one of the ancient

Number of pages: 184 Category: Geography - Urban Planning

Abstract The formation of educational and cultural settlements in terms of shape, how to settle and the type of materials and many other parameters are related to climatic elements. Architecture compatible with climatic conditions, in addition to providing a comfortable atmosphere, prevents energy waste and will bring favorable economic effects on a micro and macro scale. The ...

Number of pages: 138 Category: Management

Master's thesis in information technology management, comprehensive quality trend, first chapter, introduction, the emergence of the global village, which has been in existence for several decades, has brought about tremendous changes in matters related to the management and organization of organizations, which unfortunately, not only did our country not contribute to its ...

Number of pages: 95 Category: Social Sciences - Sociology

Master's Thesis of Social Communication Sciences Abstract Iran, despite Iran's capabilities in the field of tourism, unfortunately has not yet been able to achieve a worthy position in this industry, and the most important thing is the weakness of the advertising industry in attracting tourists to Iran. The internet and electronic tools provide the basis for displaying tourism ...

Number of pages: 152 Category: Geography - Urban Planning

Dissertation for master's degree in geography and urban planning Abstract One of the issues that most cities in the world are struggling with is natural disasters. Due to the unpredictability of natural disasters and the need to make quick and correct decisions and implement operations, theoretical and fundamental foundations have created a knowledge under the title of crisis ...

Number of pages: 178 Category: Geography - Urban Planning

Dissertation for master's degree in urban planning, department of geography. Abstract The most important criterion for analyzing the state of spatial justice in the city is the distribution of urban facilities and services, and the amount and distribution of facilities can play an effective role in the spatial movement of the population and demographic changes in urban areas. ...

Number of pages: 106 Category: Librarianship

Dissertation for receiving a master's degree, Major: Accounting, Abstract: Economic information in countries is considered as important and influential information, which is one of the most used cases of this information in the capital markets of countries. Financial managers of companies consider all aspects in making decisions and planning in the field of optimizing the ...