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Number of pages: 69 Category: Civil Engineering

M.SC Master's Thesis in Civil Engineering, specialization: hydraulic structures. Abstract Due to its special geographical location, Bandar Lange has been operating as a cargo and passenger transit station since the distant past. During the past years, this activity has raised expectations from it, so that its development plan has been implemented. Foresight in the development of ...

Number of pages: 79 Category: Agricultural Engineering

Dissertation for receiving a master's degree in the field of agricultural engineering-horticulture (flowers and ornamental plants) Electromagnetism with a short wavelength and a very high number of oscillations (frequency) is between 300 MHz and several GHz per second. In this research, from the 2M226 magnetron with a wavelength of 12 cm, radiating waves in the frequency band of ...

Number of pages: 109 Category: Civil Engineering

Master's thesis in the field of civil engineering, structure, first chapter: introduction 1-1. General One of the most important natural events that has always changed people's lives and sometimes destroyed human civilizations by destroying buildings is earthquake. Therefore, humans have always tried to identify and deal with the dangers caused by earthquakes and still have not ...

Number of pages: 107 Category: Civil Engineering

Master's thesis in the field of civil engineering, structural orientation Chapter 1: Introduction 1-1. General One of the most important natural events that have always transformed human life and sometimes destroyed human civilizations by destroying buildings is earthquake. Therefore, humans have always tried to identify and deal with the dangers caused by earthquakes and still ...

Number of pages: 140 Category: Civil Engineering

Master's thesis in the field of road, building and environmental engineering - hydraulic structures Abstract In this research, nonlinear wave differential equations are solved by the local RBF-DQ numerical method. These differential equations are in the form of Laplace's equation (as a governing equation) and nonlinear boundary conditions on the free surface; The basis of the ...

Number of pages: 135 Category: Civil Engineering

Thesis for obtaining a master's degree in the field of civil engineering, oriented towards soil and foundation mechanics, Shahrivar   2013 Abstract Dams are always considered as infrastructure structures

Number of pages: 103 Category: Geography - Urban Planning

Dissertation for Master's Degree (M.A) in the field of Natural Geography, Climate Hazards Abstract Dust storms are destructive weather phenomena that cause irreparable damage to urban areas, fields, facilities, roads, etc. every year. This phenomenon is affected by special weather conditions, and if the mechanism of its development and expansion is known, it is possible to ...

Number of pages: 136 Category: Civil Engineering

Dissertation for Master's Degree in Civil Engineering, Soil Mechanics and Foundation Abstract: Dams are always considered as infrastructure structures and have vital value. In the past, dams were mainly built for the purposes of providing drinking water and irrigation of agricultural fields, but today, due to the need for hydroelectric energy and other purposes, it has been ...

Number of pages: 71 Category: Biology - Environment

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 ...

Number of pages: 103 Category: Electronic Engineering

Dissertation for Master's Degree Abstract Today, preventing losses caused by blackouts and undistributed energy is very important. Therefore, one of the most important issues in the operation of the distribution network is the renewal of the load, which has a great impact on the constant service to the subscribers. When a part of the network is cut off due to an error or ...

Number of pages: 62 Category: Biology - Environment

Abstract In this research, the effect of different degrees of burial in windy sand on some physiological and vegetative characteristics of Qara Dagh and Rames species was measured. One-year-old saplings of Qarhadagh and Rames species were obtained from the nursery of the General Department of Natural Resources of Yazd province and subjected to five control treatments, burial ...

Number of pages: 94 Category: Facilities - Mechanics

Dissertation for M.Sc. Mechanical engineering trend - applied design In this research, a wind turbine with a vertical axis of the Savonius model is modeled. The wind turbine has been modeled in the fluid control volume, which is the same as the wind tunnel in real conditions, and has been investigated under wind blowing with different speeds. Also, in terms of overlap ratio, it ...

Number of pages: 129 Category: Civil Engineering

Thesis for receiving a master's degree in the field of civil engineering of hydraulic structures, October 2013 This study is to quantitatively evaluate the effects of watershed operations and with the aim of evaluating the efficiency of projects

Number of pages: 145 Category: Civil Engineering

Dissertation for Master's Degree in Civil Engineering (M.Sc) Orientation: Structure Winter 2013 Abstract: Resilient construction of important government buildings, infrastructure facilities and vital arteries due to the increase

Number of pages: 108 Category: Civil Engineering

Dissertation of master's degree in structural engineering February 2019 Chapter 1: Introduction 1-1. General, one of the most important natural events that always affects the lives of human beings

Number of pages: 137 Category: Architectural Engineering

Academic Thesis in Master's Degree in Architectural Engineering, First Semester of 1992-1993 Abstract: The purpose of this discussion is to examine the concept of cultural centers and the importance of its existence in the intellectual and moral education of young people, a large part of which

Number of pages: 132 Category: Geography - Urban Planning

Dissertation for obtaining a master's degree in the field: Natural Geography, specialization: Geomorphology in environmental planning. Abstract: Flood is one of the most destructive natural disasters, which is usually associated with a lot of human and financial losses. Floods every year in the corners of the country cause a lot of damage to economic resources. The occurrence of ...

Number of pages: 149 Category: Geography - Urban Planning

In order to receive a master's degree in geography and climatology in environmental planning, in order to identify the synoptic patterns leading to torrential rain, first, daily rainfall equal to 20 mm and more during the statistical period of 1991 to 2010 was determined as the basis for analyzing the torrent for the synoptic stations of Astara, Anzali, Rasht and Ramsar with the ...

Number of pages: 112 Category: Social Sciences - Sociology

Dissertation for Master's Degree in Sociology The emergence of new technologies in every society is accompanied by doubts, confusions, and calmness, and the same applies to the emergence of satellite televisions. It is a question that requires the attention of many thinkers. And the government of the world has been attracted by the fact that the contents of the satellite ...

Number of pages: 110 Category: Geography - Urban Planning

Dissertation for Master's Degree (M.Sc) Field: Natural Geography - Hydrology and Synoptic Meteorology Abstract Damages caused by critical cold temperatures are increasing, especially in natural ecosystems and densely populated urban areas. Central Iran is a dry land prone to cold weather, especially during winter, and lacks resources to moderate temperature tensions, such as ...

Number of pages: 125 Category: Management

Thesis for obtaining a master's degree in the field: business management, marketing trend, factors affecting the loyalty of GSM customers in West Mazandaran. Abstract: The secret of staying in today's business world is to have satisfied customers who not only buy from the company's services again and again, but also minimize the cost of attracting new customers by introducing ...

Number of pages: 129 Category: Geography - Urban Planning

Academic thesis for obtaining a master's degree in the field: Natural Geography, specialization: Geomorphology in environmental planning. Abstract: Basically, the settlement and creation of an area depends on environmental conditions and geographical location more than anything, because natural complications and phenomena have a decisive effect on location, dispersion, influence ...

Number of pages: 107 Category: Geography - Urban Planning

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 ...

Number of pages: 138 Category: Electronic Engineering

Dissertation for Master's Degree in Electrical Engineering, Power Systems, Abstract: In this thesis project, a new analytical approach is proposed for planning electric energy production and determining the amount and storage location of rotating storage corresponding to the risk level of subscriber load points through profit/cost analysis in the optimization program of shared ...

Number of pages: 123 Category: Electronic Engineering

Dissertation for master's degree in electrical engineering, power orientation. Abstract The limitation of fossil fuel resources and the possibility of running out of fossil energy reserves, global warming, environmental pollution, price instability, as well as the increasing need of industrial and urban centers for energy, have made the international community think of suitable ...

Number of pages: 124 Category: Geography - Urban Planning

Dissertation for Master's Degree (M.A.) Direction: Remote Sensing and Urban and Rural Geographical Information System Abstract: Subsidence phenomenon is one of the natural disasters that causes the reduction of underground resources such as underground water, oil, etc. One of the most important causes of land subsidence is the drop in static level and increase in effective ...

Number of pages: 61 Category: Computer Engineering

Dissertation for Master's Degree (M.S.c) Field: Computer Orientation: Software Abstract Today, the use of botnets as a tool for criminal activities with a large scope in computer networks against large targets such as a country has greatly increased. Bot is a distributed environment that is used for various attacks with a large volume. For this reason, the detection of this type ...

Number of pages: 105 Category: Chemical - Petrochemical Engineering

Dissertation for receiving a Master's degree (M.Sc.) major: environment - statement of the problem With the invention of the steam engine, mankind moved from the stage of pastoral and agricultural economy to the era of the industrial revolution. With industrial development, the traditional fabric of societies was transformed, cities expanded and villages lost prosperity due to ...

Number of pages: 175 Category: Art - Graphics

Dissertation for receiving a master's degree (MA) major: art research Abstract of the intellectual and technical achievements of Western civilization, which is referred to as modernity, entered the traditional society of Iran about two hundred years ago. From the very beginning, this confrontation left an impact on all the institutions of the society and caused challenges that ...

Number of pages: 98 Category: Civil Engineering

Dissertation for Master's Degree in Civil Engineering, Marine Structures, Abstract: Tension-based platforms are among economic marine platforms for use in deep waters. The correct prediction of the platform's dynamic response to environmental loads is very important in its economic and safe design. In this research, the dynamic behavior of the tension base platform under the ...

Number of pages: 110 Category: Insurance

Academic Thesis for Master's degree in the field: Business Management, Insurance, Abstract: Privatization and liberalization were the strategies that were strongly recommended to various countries in the 1980s and 1990s by the International Monetary Fund, the World Bank, and other international economic centers to increase efficiency. Today, privatization is on the agenda of ...

Number of pages: 194 Category: Civil Engineering

Master's Thesis in Civil Engineering, Earthquake Orientation Abstract: Bridge structures are affected by various loads and are designed according to the level of risk that is considered for them. Explosive loading is one of the loads that threaten the health of bridges. It is necessary to evaluate the amount of damage and performance of bridges under the effect of this loading ...

Number of pages: 109 Category: Electrical Engineering

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 ...

Number of pages: 91 Category: Civil Engineering

Civil Engineering Master's Thesis - Soil and Foundation Mechanics Abstract From the past until now, one of the most economical methods to improve the mechanical properties of clay soils has been stabilization by means of additives such as lime and cement in construction projects such as road construction and consolidation of building foundations. Also, with the passage of time ...

Number of pages: 150 Category: Electronic Engineering

Dissertation to receive a master's degree ""M.Sc"" in the field of electrical engineering, power, high voltage, abstract. Inverters can produce single-phase and three-phase ac voltages from a constant or variable dc voltage. There are various methods to control the output voltage of the inverter, which is introduced in this thesis from an inverter system with solar panel input. ...

Number of pages: 126 Category: Civil Engineering

Dissertation for master's degree in the field: civil engineering, structural orientation. Abstract One of the phenomena that can occur during the design, implementation and operation of buildings is the phenomenon of progressive rupture. This phenomenon is defined as the spread of failure in a structure from one element to another in such a way that it eventually leads to the ...

Number of pages: 185 Category: Civil Engineering

Dissertation for receiving a master's degree in the field of civil engineering, structure orientation. Abstract: Today, many reinforced concrete structures that are in operation are more than 75 years old and have been damaged due to natural disasters such as earthquakes and wind, or due to material fatigue or corrosive factors. Maintenance of structures is very important due to ...

Number of pages: 145 Category: Civil Engineering

Dissertation for receiving a master's degree in the field of Civil Engineering (M.Sc) Major: Structure Abstract: The retrofitting of important government buildings, infrastructure facilities and vital arteries due to the increase in terrorist attacks around the world and the possibility of bombings near buildings and urban places is one of the most important discussions in the ...

Number of pages: 88 Category: Electronic Engineering

Master's Dissertation in Electrical Engineering (M.Sc.) Focus: Power Abstract Reliability in any system is a concept that refers to the safe and reliable operation of the system. Although this concept is undefined in most systems such as electrical, mechanical, pneumatic, etc., it is of interest to designers and consumers, but with the advancement of technology and the increase ...

Number of pages: 78 Category: Medical Sciences

Dissertation for Master's Degree in Nursing (Special Care Orientation) Abstract Introduction: Malnutrition is a nutritional disorder caused by a decrease or imbalance in energy, protein, vitamin and mineral intake. Among the patients who have a high prevalence of protein-energy malnutrition among them are those suffering from the final stages of kidney disease. Despite many ...

Number of pages: 108 Category: Electronic Engineering

Master's Thesis in Electrical Engineering, Power Orientation Abstract In this thesis, while investigating the phenomenon of saturation in protective CTs, the problems related to the detection of this phenomenon and the compensation of CT secondary current have been discussed, and in order to solve the problems raised, methods have been introduced and the results have been ...

Number of pages: 79 Category: Chemical - Petrochemical Engineering

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 ...

Number of pages: 110 Category: Electronic Engineering

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 ...

Number of pages: 70 Category: Agricultural Engineering

Thesis for obtaining a master's degree in the field: management, specialization: agriculture. Abstract This research was conducted in order to determine and identify the economic and social effects of watershed management operations in Lesbo area in Rodsar city, as well as to examine the views and opinions of villagers regarding the effectiveness of watershed management ...

Number of pages: 101 Category: Facilities - Mechanics

In order to obtain a master's degree in the field of mechanical engineering, energy conversion, abstract: In this thesis, the mass and heat transfer by integral method in the flow of natural displacement of a fluid with a very low frontal near the wavy inclined wall and under the magnetic field has been investigated. The wall is permeable and as a result, the fluid can be sucked ...

Number of pages: 75 Category: Telecommunication Engineering

Master's Thesis of Electrical Engineering-Communications Wave Orientation Abstract In this thesis, identification of the position and shape of two-dimensional metal objects by optimization[1] of the cost function[2] with the help of the level setting method[3] and the simulation results are presented. In this method, we were able to obtain the shape and position of the objects ...

Number of pages: 122 Category: Biology - Environment

Dissertation for master's degree in electrical engineering, power orientation. Abstract The limitation of fossil fuel resources and the possibility of running out of fossil energy reserves, global warming, environmental pollution, price instability, as well as the increasing need of industrial and urban centers for energy, have made the international community think of suitable ...

Number of pages: 175 Category: Facilities - Mechanics

Mechanical Engineering Master's Thesis - Energy Conversion Abstract Coating with thin layers plays a very important role in semiconductor industries and microelectromechanical and nanoelectromechanical equipment. By adding a thin layer to the surface due to interference of electromagnetic waves, the radiation properties of the surface will be completely different. In this ...

Number of pages: 129 Category: Electrical Engineering

A master's thesis in the field of electrical-power engineering. Time series load distribution. In this research, the application of time series models in the power system is discussed. Time series are used to model different power grid parameters and in various applications. These models are able to consider the time correlation of power grid variables. According to the modeling ...

Number of pages: 98 Category: Electrical Engineering

Master's Thesis in Electrical Engineering, Power Orientation Abstract In this thesis, while investigating the phenomenon of saturation in protection CTs, the problems related to the detection of this phenomenon and the compensation of CT secondary current have been discussed, and in order to solve the problems raised, methods have been introduced and the results have been ...

Number of pages: 91 Category: Philosophy - Ethics

The abstract of this research is ""the approximate role of Iranian Sufis in the 7th century with an emphasis on Rumi's opinion"", which was done with the aim of explaining how the role of the 7th century Sufis influenced the rapprochement between religions. In fact, this research seeks to: explore the concept of closeness and Sufism and the relationship between these concepts, ...

Number of pages: 92 Category: Psychology

Master's Thesis in Clinical Psychology Abstract: Objective: Social anxiety is a very debilitating disorder that can disrupt many aspects of a person's life. In this research, the researcher seeks treatment using neurofeedback methods and the presence of mind as new treatments in the field of psychology. Method: The design of this research is quasi-experimental with pre-test and ...

Number of pages: 66 Category: Electrical Engineering

Dissertation for master's degree in the field: Power Electrical Engineering Abstract Due to the extent and complexity of distribution networks, the probability of an accident occurring in them is very high, and the occurrence of an accident can affect many subscribers. Therefore, reliability is one of the key parameters determining the success rate of the system in providing ...

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: 52 Category: Biology - Environment

Dissertation for master's degree in the field: Power Electrical Engineering Abstract Due to the extent and complexity of distribution networks, the probability of an accident occurring in them is very high, and the occurrence of an accident can affect many subscribers. Therefore, reliability is one of the key parameters determining the success rate of the system in providing ...

Number of pages: 107 Category: Facilities - Mechanics

Dissertation for M.Sc Master's Degree, Mechanical Engineering - Applied Design Abstract Modern wind turbines today tend to vibrate a lot due to their elastic, long and narrow structure. Therefore, all components of wind turbines should be subjected to vibration and modal analysis in the design stages, and their natural frequencies should be reviewed with turbine excitation ...

Number of pages: 133 Category: Industrial Engineering

Thesis for obtaining a master's degree in industrial engineering, Fall 2012 Abstract During the past years, many efforts have been made to reduce the cost of transportation by using different models.

Number of pages: 150 Category: Social Sciences - Sociology

Abstract of the concept of people's trust in the media and the news that is published is considered to be the most important factor in the favorable and effective functioning of the media. This research examines the factors affecting the trust of the audience in the southeastern cities of Tehran province to the news of May 30/18 channel. In this research, we have used the survey ...

Number of pages: 100 Category: Psychiatry

Dissertation for receiving a master's degree (M.A) in the field of school counseling. The effectiveness of teaching children's behavior management to mothers on the mental health of mothers and symptoms of attention deficit hyperactivity disorder in children. The purpose of this study was the effectiveness of teaching behavior management to mothers of children with attention ...

Number of pages: 122 Category: Geography - Urban Planning

Dissertation for the Master's degree (M-A) in the field: Political Geography Abstract Soft war is a new concept in terms of scientific research and a very old concept in terms of history. This concept is known in the world as soft power. Soft war in its modern concept with features such as software orientation, mentalization, emptying from within, changing cultural identity, ...

Number of pages: 219 Category: Librarianship

Dissertation for receiving a master's degree major: Accounting Abstract: The purpose of this research is to investigate the relationship between changes in dividends, earnings per share and changes in earnings per share with changes in future earnings. In this research, information related to the balance sheet, profits and cash flow of 100 companies active in the Tehran Stock ...

Number of pages: 142 Category: Geography - Urban Planning

The field of natural geography, climatology trend in environmental planning Abstract: Ardabil province in the northwest of the country with its long and elongated shape has faced climatic anomalies in recent years such as: increase in temperature especially in winter season, increase in the occurrence of hot winds, increase in evaporation and transpiration potential, decrease in ...

Number of pages: 217 Category: Art - Graphics

Master's thesis in traditional design and painting. Abstract The purpose of this research is to know the elements of light and color in contemporary Iranian painting and the pathology of the elements of painting in the reflection and influence of Western art, especially in the use of the element of light and color. In this context, the works of five prominent painters: Hossein ...

Number of pages: 178 Category: Art - Graphics

Dissertation in Master's Degree in Handicrafts, Research Orientation Abstract: In educational and lesson planning, identifying needs and priorities is one of the most important steps. Knowing the needs of learners is done according to various factors, including the culture of that society. Handicrafts are an inseparable part of Iranian culture, which has been the manifestation ...

Number of pages: 154 Category: Management

Dissertation for Master's Degree (M.A.) Direction: Human Resource Management Abstract Organizational culture plays an important role in the internal control of employees' behavior and prevention of administrative corruption due to the nature of the strong effect it can have on the behavior and performance of the organization's members. The present study was conducted in order to ...

Number of pages: 130 Category: Civil Engineering

Dissertation for Master's Degree in Civil Engineering - Soil and Foundation Mechanics Abstract The purpose of this research is to improve the mechanical and geotechnical properties of windy sand soils. Because one of the major problems of windblown sand is its low resistance under natural and saturated moisture conditions, a laboratory study was conducted to investigate the ...

Number of pages: 100 Category: Civil Engineering

Master's thesis in the field of civil engineering, structural orientation. Abstract In this study, the evaluation and comparison of nonlinear and numerical analysis of deep reinforced concrete beams with openings without reinforcement with deep concrete beams with openings reinforced with FRP sheets and deep reinforced concrete beams without openings by Abaqus finite element ...

Number of pages: 95 Category: Management

Dissertation for Master's Degree in Information Technology Management, Information Systems, Abstract The Imam Khomeini (RA) Relief Committee, as one of the popular institutions, in drawing its basic policies, emphasizes support, cooperation and popular participation, and on this basis, it considers the attraction of popular aid as a mechanism for guiding popular participation ...

Number of pages: 147 Category: Electronic Engineering

Master's thesis in medical engineering, bioelectrical trend, abstract of the separation of prosthesis projections and tissue implants in sinogram images of spiral CT scan using active contour methods for metal implants such as prostheses and tooth filling materials during the reconstruction of CT images with different methods, creates an artifact that appears as light and dark ...

Number of pages: 112 Category: Electrical Engineering

Dissertation for master's degree in electrical engineering, power orientation Abstract: The use of renewable energy to produce electrical energy has increased increasingly with the expansion of the use of flexible alternating current transmission systems (FACTS), to compensate for the quality of power and voltage, the range of use of these energies has increased.

Number of pages: 109 Category: Electronic Engineering

Master's Thesis of Electrical Engineering - Power Abstract: Induction motor condition monitoring is an absolutely necessary and important technology to detect various defects at the initial stage. which can prevent the spread of unexpected defects in the initial stages. Approximately 30-40% of induction motor defects are related to stator defects. In this thesis, a comprehensive ...

Number of pages: 79 Category: Electronic Engineering

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 ...

Number of pages: 138 Category: Electronic Engineering

Master's thesis in the field of electrical engineering - power abstract of the possible analysis of dynamic stability of microgrids, considering wind turbines, in recent years, the high penetration of renewable energy sources, especially wind energy, in power networks has created new problems. One of the most important issues is the uncertainty in the power produced by wind ...

Number of pages: 152 Category: Literature - Persian Language

Dissertation for Master's degree (M.A.) major: Persian language and literature. Dissertation abstract (including summary, objectives, implementation methods and results obtained): 1300-1330 years with a sociological approach. The purpose of this research is to know the social issues of Iran through social novels, as well as to know the thoughts, intellectual tendencies of ...

Number of pages: 65 Category: Physical Education - Sports

Academic thesis for obtaining a master's degree in the field: Physical Education and Sports Sciences, specialization: Sports Physiology. Abstract: Anthropometric profile, physical fitness and related capabilities play a significant role in championship sports, and several indicators such as age, height, etc. can influence the amount of these variables. In this research, based on ...

Number of pages: 128 Category: Electrical Engineering

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 ...

Number of pages: 78 Category: Medical Sciences

Abstract: Introduction: One of the main goals of treating periodontal diseases is to preserve the alveolar bone in order to continue the survival of the tooth. There is a suspicion that if the activity of osteoblast cells is stimulated and the osteoclastic activity of bone cells is prevented during the treatment process, the bone structure can be rebuilt. The positive effect of ...

Number of pages: 127 Category: Physical Education - Sports

Dissertation for Master's Degree (M.A.) Major: Sports Biomechanics Abstract: Injury is considered a destructive factor in the success of an athlete and identification of injury helps to prevent and reduce it. Handball is a popular sport and is always associated with the phenomenon of injury. The purpose of this research was to identify the types, causes and mechanisms of common ...

Number of pages: 135 Category: Biology - Environment

Master's thesis in the field of electrical engineering - power abstract of the possible analysis of dynamic stability of microgrids, considering wind turbines, in recent years, the high penetration of renewable energy sources, especially wind energy, in power networks has created new problems. One of the most important issues is the uncertainty in the power produced by wind ...

Number of pages: 125 Category: Biology - Environment

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. ...