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Dissertation for the M.Sc. In the field of electrical engineering, power electronics, abstract: The material that is analyzed in this thesis in order to simulate and implement the buck converter nonlinear controller is presented in four chapters. In general, the buck converter and the relationships governing it and the studies conducted on the buck converter and a control method ...
Master's Thesis, Electrical Engineering, Power, Abstract: The sliding mode control method is one of the most important non-linear control methods, whose distinctive characteristics are insensitivity to parameter changes, complete rejection of disturbance, and dealing with uncertainty. This controller first brings the system from the initial state using the law of reaching the ...
Dissertation for Master's degree (M.Sc) in the field of electrical-power engineering. Abstract In this thesis, the design of a resistant controller in power electronic circuit breakers and its comparison with linear control methods have been examined. The main goal of research and development in this field is always to find the most suitable control method in order to implement ...
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
Dissertation of the master's degree in the field: Electrical Engineering - Power trend. Abstract Today, despite the wide use of sensitive loads such as power electronics, computers and non-linear loads in distribution networks, the issue of power quality has received more attention. Most of these loads are sensitive to voltage changes, such as undervoltage and overvoltage, and ...
Master's Thesis in the field of Industrial Management - Production Management in Bahman 2013 Abstract Home business has received attention in recent years in our country. These businesses have advantages
Thesis for obtaining a master's degree in the field of educational management in the summer of 2013 Abstract: The present study was conducted with the aim of investigating the relationship between the use of information technology and the satisfaction of students of the Faculty of Agriculture, Urmia University.
Master's Degree in Architectural Engineering (M. A) June 2013 Abstract: This article is taken from a research that aims to identify the factors affecting the communication of spaces.
Master's Thesis of Faculty of Art and Architecture, Department: Carpet (Painting), October 2013 Abstract: Today, in today's advanced and industrialized world, using new methods, it is trying to make Tul products
Thesis for receiving a master's degree in the field of architecture 06/93 abstract Today, as a result of the application of massification and downsizing policy in large urban societies, traditional housing has lost its meaning and concept
Dissertation or thesis for obtaining a master's degree in the field of industrial engineering with a focus on social-economic systems in September. 2013 Summary of unexpected incidents and medical disasters
Master's Thesis in Social Communication Sciences Abstract In today's era, when information-based communication has penetrated geographical boundaries and has marked tremendous changes in the global arena, the media as a useful tool can help the people of the 21st century to achieve a desired, ideal and fruitful life by using the latest scientific achievements; In addition, if ...
Dissertation of master's degree in system engineering, economic-social program orientation. Rezi system economic February 2013 Abstract: Considering the importance of financial markets and
Thesis for M.A. Geography and Tourism Planning Introduction The nature of tourism in any society is affected by complex and intertwined economic, political, cultural and social factors. Despite the remarkable economic consequences of the tourism industry, many experts believe that tourism is more of a cultural phenomenon than an economic activity. Over the centuries, people ...
Dissertation for Master's Degree in Information Technology Abstract: Many preaching methods of the mentioned prophets relied on the common call to monotheism, resurrection, moral principles, etc. After the death of the beloved Prophet of Islam, preaching, especially in the form of a pulpit, was one of the main means of transmitting Islamic knowledge, and it has undergone many ...
Master's thesis in the field of social sciences Today, psychological operations include various methods and techniques, but this meaning cannot be limited to a specific technique or method, from this point of view, psychological operations is a process that affects the audience through various tools and devices, a process that has changed over the centuries and has produced ...
Dissertation for Master's degree (M.A) field: educational research. The abstract of the present study was prepared and compiled in order to investigate the effect of job pressures on the performance of secondary school female teachers. Data collection in this research is a descriptive survey method. The statistical population of this research is made up of 285 female education ...
Master's thesis in the field of clinical psychology. Abstract of the comparison of coping skills, impulsivity and behavioral disorders in three groups of unsupervised, poorly supervised and normal adolescents. Unfortunately, today we witness that the number of unsupervised and poorly supervised children and adolescents is increasing every day. Many social variables are involved ...
Dissertation for Master's Degree (M.Sc) Field: Natural Geography - Applied Climatology Abstract Due to its location in a special geographical location, topographic conditions and climatic systems affecting the region, the city of Kavus has a relatively cold climate. So that the air temperature in the coldest month of the year reaches 9.2 degrees Celsius and has the highest ...
Dissertation for Master's degree (M.A) majoring in Persian language and literature. Dissertation abstract (including summary, objectives, methods of implementation and results obtained): In the late 4th and early 5th centuries of Hijri, Iran, especially Khorasan, was in chaos and anxiety in the political situation, civil wars, the increasing number of religious sects and the ...
Dissertation for obtaining a master's degree in the field: accounting, major: accounting. Abstract In this research, the relationship between avoidance and reckless financial reporting in companies listed on the Tehran Stock Exchange has been investigated. The statistical sample of the research included 140 companies during the period of 1381 to 1390. In this research, it ...
Thesis for Master's Degree in Industrial Management Abstract Maintenance and repairs play an important role in maintaining reliability, availability, product quality, reducing risk, increasing efficiency and security of equipment. Manufacturing companies are always trying to reduce production costs. One of the basic costs of these enterprises is the cost of repairs, which mainly ...
Dissertation for Master's degree (M.A.) comparing the nature and character dimensions of people who attempt suicide with normal people in the framework of Cloninger's psychological biological model. The purpose of this research is to explain the role of nature and character dimensions in suicide attempters. For this purpose, 100 suicide attempters who were selected by the ...
Dissertation for Master's degree (M.Sc.) Field: Geography and Urban Planning Abstract of the 20th century considering the increase in urban population, change in lifestyle, the distance between stakeholders, managers and urban planners, sustainable development has been proposed as one of the most important paradigms of urban management at different levels. One of the main ...
Dissertation for M.A. Abstract The present research is a critical analysis of a socio-political film called ""Party"". Discourse analysis is an interdisciplinary study trend that emerged from the mid-1960s to the mid-1970s. Due to its interdisciplinary nature, this tendency was soon welcomed as one of the qualitative methods in various fields of political science, social ...
Dissertation for Master's Degree (M.A.) Major: Public Administration (Human Resources) Dissertation Abstract (including summary, objectives, implementation methods and results obtained): Today's challenging world is based on organizations having competent and capable people. In addition to new technologies, the main source of competitive advantage of organizations is having ...
Academic Thesis for Master's Degree (M.A) in Natural Geography, Climatology in Environmental Planning Abstract Nowadays, due to the fact that landfilling waste without respecting environmental issues poses many threats to the environment and climate, it is necessary to choose the right place and sanitary landfill of waste. In this research, an attempt has been made to ...
Dissertation for receiving a master's degree in the field of business management, specialization: insurance. Abstract: The main purpose of this research was to measure the relationship between the nature of the job (the main independent variable) and the level of creativity (the dependent variable) of insurance employees in Gilan province. The research questions were raised and ...
Master's Thesis in Executive Management (M.A) Abstract Based on empirical research and proposed theories, marketing includes three basic and important principles: creating value for customers, creating competitive advantage, and focusing on customers' wants and needs. The task of marketing is to create more value for customers than competitors. Tacit knowledge is knowledge that ...
Dissertation for M.sc degree, field: electricity, orientation: power electronics. Abstract Voltage stability is related to the power system's ability to maintain acceptable voltages in all system buses under normal conditions and after disturbance. The system enters an unstable state when a disturbance, an increase in the required load or a change in the system's position causes ...
Dissertation for master's degree in the field of electrical engineering, power orientation. Abstract In this thesis, a new method for the optimal location of power plants has been discussed in order to simultaneously optimize the development of production and network. In the considered optimization problem, the goal is to choose the type and capacity of new power plants and the ...
Dissertation for Master's Degree (M.Sc) Field: Computer Engineering Major: Abstract Common method software that deals with packers includes the following steps: 1. Identify a packer. To identify a packer, it must be assigned to a packer group. Doing this is not as easy as it seems. There are many packers whose code is static, and which can be identified using simple strings. But ...
Dissertation for Master's Degree in Industrial Management - Industrial Production Abstract Currently, the ever-increasing complexity and dynamism of production environments, the use of analytical models in their evaluation and decision-making has faced significant limitations. Therefore, the use of computer simulation as a tool that has a wide capability in formulating the above ...
Master's thesis in the field of power electronics, power electronics, Abstract: The use of pulsed power sources in various plasma processes is increasing due to the relationship established between them. According to the research done in this case, the design of pulsed power sources with the aim of reducing losses and increasing efficiency can have important effects on plasma ...
Educational Department of Physical Education and Sports Sciences, Academic Thesis for Master's Degree Abstract The purpose of this study was to investigate the effect of ten days of ginger consumption on delayed muscle contusion in Langrod high school girls. For this purpose, 30 female high school students (average age 15-18 years, height 1.55±0.05 m, weight 53.9±5.83 kg, and ...
Master's Thesis in Dramatic Literature Abstract of this research examines the narrative in the dramatic works of Mirza Fethali Akhundzadeh based on the theories of Jonathan Kaler. First, in order to explain Keller's ideas, we will discuss the formation process of structuralism in order to examine the reasons for the existence and why of this very important movement. At the ...
Dissertation for Master's Degree in Computer Networks Chapter 1 Introduction 1-1 What is mobile ad hoc network? A mobile ad hoc network [1] is a network formed by wireless hosts [2] that can also be mobile. In these networks, no prefabricated infrastructure is necessarily used. This means that there is no infrastructure such as a central station, router[3], switch[4] or anything ...
Dissertation Abstract Religious art with centuries of history in Iran during the Qajar period gives its place to religious art; This is not a big change, as it is always embodied in official and court art, which is embodied in folk art. The change of the social background of art is born from the burning spirit of the Qajar period. Qajar Iran was a different Iran compared to its ...
Dissertation for Master's Degree (M.A.) Direction: Public Administration Abstract Online banking has caused a widespread revolution in the entire communication system of the world, and like any other new technology, it has specific costs and issues such as system security and the possibility of unforeseen problems. On the other hand, there is a growing segment of customers who ...
Dissertation for Master's Degree (MA) in Painting, Dissertation Abstract (including summary, objectives, implementation methods and results obtained): In modern art, there is a wide current to validate free and spontaneous imaginations and imaginations in childhood, which is simultaneously with dreamy aspects. When we examine the paintings of the 20th century, we seem to flow ...
Dissertation for Master's Degree in Computer Science (M.Sc) Software Orientation Abstract Smart phones and other mobile devices are becoming an ideal platform for continuous measurement of user activities by a large number of embedded sensors. In this way, energy consumption has become the most important challenge for mobile devices. Individual activity detection on smart phones ...
Dissertation for Master's Degree (M.A.) Direction: ""Marketing"" Abstract Today, with the advancement of technology, all the concepts related to the market and consumer have undergone fundamental changes. The prevalence of computer use as one of the most effective technologies of this century, as well as the spread of the Internet and its combination with the supply and sale of ...
Thesis for obtaining a master's degree in natural geography majoring in climatology in environmental planning. Abstract Currently, the technology has reached its perfection in order to prevent the occurrence of harmful floods and to create awareness of the factors and elements of climate change. Therefore, any solution should be sought on earth, especially in the area of ??water ...
Dissertation for receiving a master's degree, orientation: finance. Abstract In today's era, when the global business environment is rapidly changing and evolving, companies are looking for ways to differentiate themselves from other competitors at the national and international level. In this regard, companies adopt various strategies. It can be acknowledged that one of these ...
Abstract For more than two decades, documentary animation has emerged as an independent film style in the world. However, most of the studies and reviews have been conducted in line with the general knowledge and general structure of this style. Therefore, the need to investigate and investigate this method of filmmaking from different perspectives is very noticeable. As a ...
Master's Thesis of Computer-Software Engineering (M.Sc) Abstract In the age of information, the web has become one of the most powerful and fastest means of communication and interaction between people. Search engines as web applications automatically navigate the web and receive a set of available documents. The process of receiving, storing, classifying and indexing is done ...
Dissertation for Master's degree (M.A.) orientation of organizations and methods Abstract Human resources are considered the most important factor in organizations, the development of human resources is related to the training and development of human activities in organizations and helps organizations to create special cultural conditions in which employees achieve the ...
Master's thesis (M.sc) Abstract: Nowadays, spam [1] is one of the main problems of search engines, because they make the quality of search results unfavorable. In recent years, there have been many advances in detecting fake pages, but new spamming techniques have also emerged in response. It is necessary to improve anti-spam techniques to overcome these attacks. A common ...
Dissertation for Master's Degree in Civil Engineering - Abstract Hydraulic structures in high dams of spillways, as one of the dependent hydraulic structures, have the important role of discharging the incoming floods into the dam reservoir with sufficient safety in free flow or under pressure downstream. In tunnel overflows where the flow is at a high speed and often under ...
Master's thesis in the field of information technology management, advanced information systems, abstract. In today's business world, the difference between organizations in growth and sustainability is the degree of importance they give to the valuable and strategic source of knowledge, and accordingly, the extent of their use of this important and key source lies in the ...
(M.A.) Dissertation for Master's Degree Abstract One of the inevitable aspects of poetry is its protest aspect. Ever since the poet used his feelings, thoughts and imagination, the song became an element of protest and became an integral part of his poetry. This protest has taken different dimensions and methods in the history of Persian poetry, in different centuries and ...
Dissertation for Master's Degree in Mechatronics Engineering Persian Abstract The purpose of this project is to introduce a new approach for troubleshooting gas transmission pipelines using mechanical waves, which is much cheaper and easier than other methods. who are currently working. These lines are usually located in difficult environmental conditions and far away and in ...
Dissertation for receiving a master's degree in the field of electricity, power orientation. Abstract In this thesis, the effect of return arc phenomenon on the performance of distance protection relay has been evaluated. Because the lightning striking the tower or the wire guard in the transmission lines can cause a return arc on the chain of insulators. Therefore, at first, ...
Representation of Mazandaran (North) Field: Industrial Engineering - System and Efficiency Management to obtain a master's degree Abstract: Developing countries must choose the appropriate model and strategy in order to achieve economic development. The experiences of developed and newly industrialized countries show that in order to achieve economic development, it is necessary ...
Master's thesis in the field of civil engineering, soil and foundation, in this research, the bearing capacity of the conical pile group and the cylindrical pile group with the same volume are calculated and compared. Due to the lack of numerical studies and modeling by software for conical piles compared to laboratory tests in this field, in this research, the modeling of the ...
Dissertation for receiving M.SC Master's degree Major: Water Engineering Abstract: Dams are the largest man-made structures. Their design often stems from their unique nature and the consequence of failure, which is certainly greater than the collapse of other types of structures. The stability of dam body and foundation structures can be analyzed and checked in various ways. ...
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 ...
Master's Thesis for M.A. degree Abstract: The popular culture and literature of the Ravera people is like the popular literature of other regions of the country, which is spread orally among the people. It is necessary to preserve these precious works that have been passed down from breast to breast. In this treatise, firstly, the geographical, climatic and historical location ...
The thesis for obtaining a master's degree (M.A) is an abstract of Persian language, which represents the culture and national identity of us Iranians. This language has gone through many ups and downs in the course of time, but it still remains immortal. The secret of Persian language's immortality can be seen in having a rich cultural support; A culture that nurtured great ...
Dissertation for receiving a master's degree in the field: Persian language and literature. Summary of experiences and knowledge is the reason for loading the language with certain orientations. In this thesis, we want to show, through the language of Forough Farrokhzad's collection of poems, the context of explaining and understanding his mental feelings, which are expressions ...
Master's Thesis in Chemical Engineering, Process Design, Abstract: In this thesis, a method for thermodynamic analysis and evaluation of energy consumption of distillation tower by using side cooling is introduced. The research done in the past was aimed at the distribution of the heat diagram and checking the possibility of adding or extracting heat from all the different parts ...
Master's thesis in the field of chemical engineering (gas engineering trend) in recent years, many horizontal wells have been drilled around the world. The main reason is the ability to increase the level of the tank in contact with the well, which increases the utilization of the well. Well testing is used to identify the models of hydrocarbon reservoirs and to identify their ...
Academic Thesis for Master's Degree in Physical Education and Sports Sciences Abstract The purpose of this study was to investigate the effect of ten days of ginger consumption on delayed muscle contusion in Langrod high school girls. For this purpose, 30 female high school students (average age 15-18 years, height 1.55±0.05 m, weight 53.9±5.83 kg, and body mass index 22.2±1.2 ...
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 ...
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 ...
Dissertation for Master's Degree in Power Electrical Engineering Abstract In this thesis, a hybrid power generation system using fuel cell/battery/supercapacitor to power a light electric vehicle with independent excitation electric motor drive system was studied and simulated. The electric vehicle system consists of a feed and control system, multiple sources, power control ...
Dissertation for Master's Degree (M.S) in Power Electricity, Abstract With the ever-increasing expansion of energy consumption in the world, the development of power networks is essential. But the creation of new transmission lines requires time and high costs, so if it is possible to use the same lines with a higher transmission capacity, it is very cost-effective. Today, the ...
A master's thesis in the field of chemical engineering. Abstract of the laboratory study of the wear phenomenon of gas containing sand and liquid droplets in pipelines. For this purpose, a pipeline test device including: vertical and horizontal pipelines and various connections has been made. The studied fluid consists of three phases: gas, liquid and solid. The gas phase is ...
Master's Thesis in Chemical Engineering Abstract of Electrochemical Analysis of Formaldehyde Formaldehyde is one of the organic chemicals that is widely used as a raw material in many industries. Industrial effluents that contain high concentrations of formaldehyde must be treated before entering the environment due to its possible carcinogenic and mutagenic risks. The purpose ...
Master's thesis in the field of electrical engineering (power trend) Abstract of the investigation of transient electromagnetic states in wind turbines with the increasing development of wind turbines, increasing its efficiency has become more critical. One of the factors for measuring wind turbine efficiency is its performance in transient state problems. The phenomena that ...
Master's Thesis in Electrical Engineering (M. S. C) Major: Power Abstract At present, fossil resources are rapidly running out, and with increasing concern about air pollution and global warming, experts are thinking of using cleaner energy sources and more compatible with the environment. Among these, wind power and solar energy are two types of huge renewable energy sources. ...
Master's Thesis in the field of Electrical Engineering-Communication System, abstract of the investigation of the methods of removing interference signals in the surveillance channel in passive radars based on DVB-T signal. In this thesis, the performance of adaptive methods in weakening the interference signals including the direct path signal and clutter and the degree of ...
Master's Thesis of Power Electricity Abstract: Photovoltaic energy is one of the clean and efficient energies that is expanding rapidly. With the increase in the penetration percentage of these power plants in the power grid, problems arise that may lead to errors and problems in the distribution system. One of the problems that may occur is the issue of voltage increase at the ...
Dissertation for M.Sc. Degree: Food Industry Abstract: Pectinases are a group of hydrolytic enzymes that break down pectic substances. Exopolygalacturonase (exo-p) and endopolygalacturonase (endo-p) are two types of this group. In this study, two fungal species, namely Aspergillus niger and Vetrichodermarisi, which were able to produce pectinase, were isolated. The results of ...
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 ...
Thesis of the master's degree in the field: chemical engineering, abstract. In designing the network of heat exchangers, the designer usually considers high operational flexibility in the presented plan. However, some of the changes that occur in the operating conditions of the process after the design, determine the need to modify the existing network. The purpose of the ...