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Number of pages: 67 Category: Biology - Environment

Abstract: Today, air pollution has become one of the main management challenges in different countries of the world, so that countries, in addition to internal policies and measures, organize pollution in the field of

Number of pages: 71 Category: Industrial Engineering

Dissertation for Master's Degree in Industrial Engineering (M.Sc) Orientation: Industries, Summer 2013 Abstract Nowadays, the most important concern of most companies in the implementation of projects, development and implementation.

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: 126 Category: Educational Sciences

Dissertation for the Master's Degree in Educational Technology (M.A.) Abstract The purpose of this research was to investigate the effect of using the simulation method in a constructivist environment on students' creativity in the first secondary mathematics course. In this study, the research method was quasi-experimental. The statistical population of the research was 6200 ...

Number of pages: 145 Category: Geography - Urban Planning

Dissertation for Master's degree (M.A.) Abstract Due to the great attention paid to the dimensions of environmental sustainability and quality of life and healthy communities in recent years, the debate and examination of the qualitative dimensions of urban residential environments has become extremely hot and the quality of the urban environment has become one of the new ...

Number of pages: 98 Category: Educational Sciences

Dissertation for Master's Degree (M.A.) Orientation: Industrial and Organizational The Impact of the Psychological Atmosphere Governing the Organization and Core Self-Evaluations on the Work Enthusiasm of Gar Miankoh Company's Employees Abstract This research was carried out with the aim of investigating the impact of the psychological environment governing the organization and ...

Number of pages: 120 Category: Psychology

Dissertation for Master's Degree (M.A.) Major: General, the relationship between self-control and family functioning with social adjustment among high school students in Abadeh city. Abstract The present study was conducted with the aim of investigating the relationship between family functioning and social adjustment among high school students in Abadeh city. This ...

Number of pages: 122 Category: Psychology

Field: General Psychology Thesis for Master's degree (M.A.) The relationship between self-control and parenting styles with psychological well-being among high school students Abstract The main purpose of this research was to investigate the relationship between self-control and parenting styles with psychological well-being among high school students. For this purpose, among ...

Number of pages: 152 Category: Geography - Urban Planning

Dissertation for obtaining a master's degree in the field: Natural Geography, specialization: Geomorphology in environmental planning. Abstract: Today, one of the important factors in the occurrence of damages caused by environmental hazards is the lack of complete and scientific knowledge in different areas. The watersheds of Iran, especially in the watersheds of the Caspian ...

Number of pages: 379 Category: Social Sciences - Sociology

Dissertation for PhD in Sociology (Cultural Theory) Abstract This research aims to present Islamic propositions in the form of sociological concepts and reach a final conclusion in the form of a view attributed to the teachings of the Qur'an about social control. The main question of the research is ""what is the social perspective that can be attributed to the teachings of the ...

Number of pages: 135 Category: Geography - Urban Planning

Dissertation for obtaining a master's degree in the field: Geography and Tourism Planning Abstract: Due to the increase in population and the resulting pressure on natural resources and the environment, tourism can also leave favorable and unfavorable effects on the environment. Lahijan city is one of the most tourist-friendly cities in Gilan province and has favorable natural ...

Number of pages: 110 Category: Psychiatry

Dissertation for Master's Degree in General Psychology Abstract: The purpose of this research was to compare cognitive emotion regulation strategies, attachment styles, self-expression and locus of control in runaway and normal girls. The research method in this study was causal-comparative. The subjects included 36 girls (18 runaway girls and 18 normal girls). The group of ...

Number of pages: 179 Category: Social Sciences - Sociology

Master's Thesis of Social Communication Sciences The abstract of the present research was compiled with the aim of representing foreign cultural values ??in the environmental advertisements of Tehran. In this research, we were looking for answers to these questions, whether the environmental advertising of Tehran presents and advertises foreign cultural values ??or not, and if ...

Number of pages: 119 Category: Management

Department of Business Management - Evolution of Master's Thesis The abstract of the study of companies indicates that, due to the many changes in the business environment, successful companies, in addition to working better than their competitors, are also more adaptable to their environmental changes and have the necessary planning in facing the changing environment. In such a ...

Number of pages: 101 Category: Librarianship

Abstract Auditors generally evaluate the quality of the internal control system in companies to determine and design the audit plan. The generally accepted principles of auditing state that evaluating the quality of the internal control system in determining the ability of the internal control system of the units in the control environment is necessary and essential before ...

Number of pages: 186 Category: Psychology

Dissertation for Master's Degree in General Psychology Abstract: The purpose of this study was to investigate the relationship between emotional expression styles and control style in domestic violence against women with the role of gender stereotypes. The statistical population includes all women who referred to the forensic medicine of Alborz province in the city of Karaj in ...

Number of pages: 151 Category: Educational Sciences

Dissertation for receiving a master's degree in the field: Educational Sciences, Department: Curriculum Planning, Abstract: Self-control is an internal care based on which, without external supervision or control, assigned tasks are performed and abnormal and illegal behaviors are abandoned. When someone ignores the external control and devotes his efforts to doing the work ...

Number of pages: 95 Category: Educational Sciences

Dissertation for Master's Degree in Educational Technology (M.A) Abstract This study was conducted with the aim of investigating the effect of teaching based on the simulation of experimental interactive environments on the four skills of language learning in the English language course. Based on the goals pursued in the study, the method of this research is practical in terms ...

Number of pages: 58 Category: Geography - Urban Planning

Dissertation for M.A. Orientation: Natural Geography (Geomorphology-Hydrology) Abstract The increasing population growth followed by the development of industrial activities on the one hand and non-compliance with environmental requirements on the other hand, has caused huge amounts of pollutants to enter the environment in the last few decades. Accumulation of some dangerous ...

Number of pages: 58 Category: Geography - Urban Planning

Dissertation for M.A. Orientation: Natural Geography (Geomorphology-Hydrology) Abstract The increasing population growth followed by the development of industrial activities on the one hand and non-compliance with environmental requirements on the other hand, has caused huge amounts of pollutants to enter the environment in the last few decades. Accumulation of some dangerous ...

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: 163 Category: Geography - Urban Planning

Dissertation to receive a master's degree (M.A) in natural geography, specialization: climatology in environmental planning, abstract: natural disasters have been the most important cause of human concern at all times. Landslides are one of the most important natural disasters that cause financial and human losses every year, which creates problems in the implementation of ...

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: 122 Category: Geography - Urban Planning

Pasture and Watershed Department Thesis for Master's Degree in Desertification Abstract Menarid International Project is the first multi-land project that seeks to establish partnership and organizational cohesion at three levels of people, governmental organizations and non-governmental organizations for the purpose of sustainable land management with an emphasis on sustainable ...

Number of pages: 127 Category: Electronic Engineering

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 ...

Number of pages: 85 Category: Computer Engineering

Dissertation for M.Sc. Abstract In this thesis, we have presented a new method in network processing with Ant algorithm. The model we used in the network space is a continuous two-way auction. Due to their simplicity and dynamics, these models are used in many algorithms used to control resources and schedule tasks. Many of these models have weaknesses in their response time ...

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: 67 Category: Management

Academic Thesis for Master's Degree Field: Business Management Major: Financial Management Abstract The purpose of this research is to examine the relationship between profit smoothing and stock returns under environmental uncertainty. Also, in this research, the stability of profits of companies that have smoothed profits in the past has been investigated in conditions of ...

Number of pages: 88 Category: Electronic Engineering

The master's thesis in the field of power. Abstract Control of scattered productions and their planning is one of the important issues of power systems operation. The purpose of this issue is to minimize the cost of operation and pollution and to supply cargo by observing the operation restrictions. The increase in the desire to use renewable resources and the move towards the ...

Number of pages: 119 Category: Electrical Engineering

Master's Thesis in Electrical Engineering. M.Sc. Major: Power. Abstract: In recent years, two major developments have occurred in power systems. One of these changes is related to the restructuring of the electricity industry and the transformation of the traditional centralized environment into a decentralized one. Another development is in the field of expanding the use of ...

Number of pages: 90 Category: Computer Engineering

Dissertation for obtaining a master's degree in computer engineering, majoring in software. Abstract: Task scheduling algorithm, which is an NP-complete problem, plays a key role in cloud computing systems. The colonial competition algorithm is one of the newest evolutionary optimization algorithms. As its name suggests, this algorithm is based on the modeling of the ...

Number of pages: 125 Category: Computer Engineering

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 ...

Number of pages: 81 Category: Electrical Engineering

Obtaining a master's degree in the field of electrical engineering, electronics, abstract, mechanization of tools is one of the most important and extensive fields used in production processes. Due to the complexity and uncertainty of machining processes, recently soft computing techniques [1] based on physical models have been preferred to predict the performance of machining ...

Number of pages: 125 Category: Electronic Engineering

Master's Thesis in Electrical Engineering (Communication System) Abstract: Optimizing Node Placement in Different Environments for Broadband Sensor Networks Locator Systems are systems that can detect the location of an object in a space. Such systems usually detect the distance between two objects by using radio communication and determine the location of the object in the area ...

Number of pages: 67 Category: Computer Engineering

Master's Thesis in Computer Engineering (M.Sc) Abstract: Today, automatic control is widely used in transportation systems. There are several reasons for using this method, the most important of which are cost reduction, the ability to make devices lighter, more safety for the passengers or to keep them away from danger. The last two cases are more visible in systems that have ...

Number of pages: 125 Category: Management

Master's degree thesis in the field: MBA Management Abstract This project was conducted with the aim of investigating the competitive environment of the dairy industry based on Porter's five forces model in Doshe Haraz Amol Dairy Company. The competitive situation in an industry depends on five basic forces. The joint power of these forces determines the final profit and ...

Number of pages: 103 Category: Civil Engineering

Dissertation for Master's Degree in Civil Engineering - Transportation Planning Abstract Ramp control is one of the most effective highway management strategies and has created many benefits in terms of increasing output in bottlenecks, reducing travel time, number of accidents, etc. Ramp control consists of two competing constraints: freeway capacity and ramp queue. The ...

Number of pages: 139 Category: Biology - Environment

Master's thesis abstract shows the necessity of having a healthy environment and raising the health level of the society, the need to have proper planning to reduce the sources of air pollutants production and predicting these pollutants to prevent its harmful effects is inevitable. Prediction of pollutants can be useful in air pollution management and control. In this research, ...

Number of pages: 104 Category: Computer Engineering

Dissertation to receive a master's degree in computer engineering majoring in artificial intelligence. Abstract Dynamic environments are environments that have the ability to change over time. These changes can happen in different ways, including changes in parameters, objective functions or constraints of the problem. In this regard, a wide field of different sciences such as ...

Number of pages: 95 Category: Physical Education - Sports

Master's in Movement Behavior and Sports Psychology Developmental coordination disorder is used to describe children who have difficulty performing some movement skills and lack the necessary competence to deal with their daily movement needs. The purpose of this study was to investigate the effect of selected exercises on the reaction time and posture control of 7-8 year old ...

Number of pages: 132 Category: Biology - Environment

Master's thesis in the field of road, building and environmental engineering - hydraulic structures. In this research, the effect of geobags on the scour control of bridge piers has been studied using Computational Fluid Dynamics (CFD) method. Geobags are geotextile bags that are filled with materials such as sand, concrete or materials from river dredging. Due to the ...

Number of pages: 70 Category: Biology - Environment

Dissertation for obtaining a master's degree in chemistry, fluoride has been known as a toxic ion for many years. The main source of fluoride in aqueous solutions is minerals containing fluoride and the industrial activities of factories. According to the report of the Environmental Protection Organization, the amount of fluoride more than 1 mg/liter causes various diseases. In ...

Number of pages: 116 Category: Physical Education - Sports

Dissertation for Master's degree (M.A) Major: Sports Management Dissertation Abstract The purpose of this research is to investigate the relationship between the leadership style of school principals and the school environment from the point of view of physical education teachers. The statistical sample includes 97 physical education teachers (56 men and 41 women) and research ...

Number of pages: 114 Category: Electronic Engineering

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 ...

Number of pages: 85 Category: Physical Education - Sports

Master's thesis in the field of physical education, general orientation, research summary: This research was conducted with the aim of examining the relationship between the school environment and the academic progress of students in the field of physical education from the perspective of physical education teachers in Kurdistan province. This research is practical and in terms ...

Number of pages: 122 Category: Biology - Environment

Dissertation for Master's Degree (M.Sc.) Orientation: Environment Abstract Environmental risk assessment is the examination of risks that result from natural events, technology, practices and methods, processes, productions, chemical, biological, radiological and industrial activities and may threaten ecosystems, animals and people. A preliminary research has been done in the ...

Number of pages: 100 Category: Electrical Engineering

Abstract: This thesis proposes a new control strategy to control single-phase distributed generation system DG [1] connected to the grid based on Lyapunov stability theory. The main idea in this strategy is that a Lyapunov function similar to energy is defined by considering different states of the distributed generation system and then the control law that makes the time ...

Number of pages: 87 Category: Electrical Engineering

Master's Thesis in Electrical Engineering. M.Sc. Major: Power. Abstract: In recent years, two major developments have occurred in power systems. One of these changes is related to the restructuring of the electricity industry and the transformation of the traditional centralized environment into a decentralized one. Another development is in the field of expanding the use of ...

Number of pages: 87 Category: Electrical Engineering

The master's thesis in the field of power. Abstract Control of scattered productions and their planning is one of the important issues of power systems operation. The purpose of this issue is to minimize the cost of operation and pollution and to supply cargo by observing the operation restrictions. The increase in the desire to use renewable resources and the move towards the ...

Number of pages: 87 Category: Electrical Engineering

Master's Thesis in Electrical Engineering. M.Sc. Major: Power. Abstract: In recent years, two major developments have occurred in power systems. One of these changes is related to the restructuring of the electricity industry and the transformation of the traditional centralized environment into a decentralized one. Another development is in the field of expanding the use of ...

Number of pages: 94 Category: Health - Health

Master's Thesis in Food Safety and Health Abstract: Background: Essential oils and extracts obtained from medicinal plants with antimicrobial, anticancer and antioxidant compounds are of particular importance as new and natural medicinal compounds, both in the field of health and treatment of diseases and protection of raw and processed foods. Objective: To determine the ...

Number of pages: 79 Category: Electronic Engineering

Seminar for obtaining a master's degree in the field of electrical engineering, electronics, abstract mechanization of tools is one of the most important and extensive fields used in production processes. Due to the complexity and uncertainty of machining processes, recently soft computing techniques [1] based on physical models have been preferred to predict the performance of ...

Number of pages: 78 Category: Agricultural Engineering

Dissertation for obtaining a master's degree in the field of: Agricultural Engineering, Agricultural Management. Abstract: Rice is one of the major crops of Gilan province and plays an important role in the income of rural households. The amount of rice yield is threatened every year by various factors such as pests, diseases and weeds. Blast disease is one of the most damaging ...

Number of pages: 124 Category: Electrical Engineering

Master's Thesis in Electrical Engineering (Communication System) Abstract: Optimizing the placement of nodes in different environments for ultra-broadband sensor networks. Locator systems are systems that can detect the location of an object in a space. Such systems usually detect the distance between two objects by using radio communication and determine the location of the ...

Number of pages: 129 Category: Electrical Engineering

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 ...

Number of pages: 73 Category: Electronic Engineering

Dissertation for receiving a master's degree in the field of electricity - the tendency of electric machines. Abstract In this thesis, the behavior of the wind power plant is investigated using the detailed model of induction generator with two-way feeding. Electronic converters of the power plant and its control systems and the behavior of the power plant include electrical and ...

Number of pages: 95 Category: Electrical Engineering

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 ...

Number of pages: 163 Category: Medical Sciences

Dissertation to receive the degree of Doctor of General Dentistry Persian Abstract Introduction: Restoration of the lost tissue of the periodontium is the ultimate goal of ideal periodontal treatment. Proliferation of fibroblasts along with regeneration of periodontal tissue is an ideal therapeutic result. The use of low-power laser has been one of the proposed methods to ...

Number of pages: 110 Category: Electrical Engineering

Dissertation for M.Sc. The tendency of the abstract power transmission networks of modern power systems is increasingly changing due to the increase in demand and limitations in the construction of new lines. One of the consequences of such a stressed system is the risk of losing stability after a disturbance. Flexible alternating current transmission systems (facts) are very ...

Number of pages: 193 Category: Biology - Environment

Dissertation for obtaining a master's degree in natural resources-environmental engineering. Abstract: Assessment of development effects is a process that deals with diagnosis, identification, prediction, evaluation and reduction of the effects of development projects. Determining the importance of environmental effects is one of the most important concerns of the process of ...

Number of pages: 97 Category: Electronic Engineering

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 ...

Number of pages: 119 Category: Agricultural Engineering

Dissertation for the Master's Degree in Plant Pathology (M.Sc.) Abstract Wilt is caused by different species of Verticilium and is one of the most important diseases of cotton in most regions of the world. Among the disease-causing species, V. dahliae is the dominant species in most parts of the world. Fungus is the cause of soil disease and causes quantitative and qualitative ...

Number of pages: 134 Category: Facilities - Mechanics

Master's thesis in the field of mechanics, specialization: mechanical engineering - energy conversion. Abstract: One of the most important components of fluid transmission systems are control valves, which can be seen in different routes of oil and gas transmission pipelines, etc. In control valves, the most important issue is the property of the flow in order to achieve the ...

Number of pages: 162 Category: Facilities - Mechanics

Master's thesis in the field of mechanical engineering (applied design) abstract of dynamics and adaptive fuzzy control of limited-time sliding mode of hexa-parallel robots using the synchronization error of the development and increase of industrial production and the subsequent economic and social growth of a society in the new century is tied to the automation of production ...

Number of pages: 138 Category: Facilities - Mechanics

Submitted for Master's Degree Submitted for Master's Degree Abstract In addition to lateral instability, one of the major threats to passenger cars, especially SUVs, is the risk of overturning. In this thesis, a coordination strategy based on fuzzy logic is designed for the integrated operation of active steering, differential, brake and anti-roll bar subsystems. Separate ...

Number of pages: 90 Category: Agricultural Engineering

Dissertation for obtaining a master's degree in the field of: Agricultural Engineering, Agricultural Management. Abstract: The dispersion and smallness of land is one of the traditional structural elements of the country's agriculture, which today has become one of the main obstacles to agricultural development. The most important goals that the implementation of the plan for ...

Number of pages: 73 Category: Agricultural Engineering

Thesis for obtaining a master's degree in the field of: Agricultural Engineering, Agricultural Management, Abstract The amount of damage caused to agricultural products by weeds, diseases, insects, and other pests has been determined as 45, 30, 20, and 5 percent of the total damage caused to agricultural products, which is about 35 percent. Although chemical control has been ...

Number of pages: 110 Category: Agricultural Engineering

In order to investigate the effect of nitrogen supply sources on the consumption of nicosulfuron poison in the spring and summer of 2013 in a farm in Zagheh village of Abik county located in Qazvin province, an experiment was conducted in the form of a split plot experiment in the form of a randomized complete block design with 3 replications. The experimental factors include: ...

Number of pages: 179 Category: Electrical Engineering

Dissertation for obtaining a master's degree in the field of electrical engineering, power orientation Abstract Wind energy will be one of the important sources of electricity in future systems. In this work, an overview of wind energy power electronic control is provided and the development of modern power electronic components is also briefly reviewed. The application of power ...

Number of pages: 95 Category: Educational Sciences

Thesis for receiving the master's degree “M. A.” Field of Educational Sciences Curriculum Planning Orientation Summer 2019 Abstract The general purpose of this research is to investigate the effect of family education classes on

Number of pages: 55 Category: Educational Sciences

Dissertation for Master's Degree in General Psychology, Winter 2019. Abstract of the present research was conducted in order to investigate the effectiveness of emotion regulation training on the social competence of preschool children. In this research, an experimental design with an experimental and control group was used. The statistical population includes all preschool ...

Number of pages: 101 Category: Educational Sciences

Dissertation for Master's Degree in Educational Psychology Spring 2019 Abstract Concept map is one of the teaching-learning strategies that can facilitate meaningful learning in students and relationships

Number of pages: 111 Category: Management

Dissertation for Obtaining an M.A. degree in the field of educational management in the academic year 1393-1394. Abstract: Recently, a new concept has been proposed in the theoretical foundations of management, which is called organizational maturity.

Number of pages: 85 Category: Management

Field: executive management, abstract, introduction and purpose of research: Outsourcing means finding new service providers and new methods to provide materials, goods, components and services to them with confidence.

Number of pages: 98 Category: Educational Sciences

Thesis for receiving the master's degree “M. A.” Field of Educational Sciences, Curriculum Planning, Year 1993, Effectiveness of Family Education on Maternal Educational Perspective

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: 115 Category: Management

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

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: 139 Category: Management

Department of Industrial Management Winter 2019 Abstract: The current research is about the mutual effect of supply chain management and customer relationship management in Esfrain Steel Company. In order to answer the research questions

Number of pages: 148 Category: Management

Dissertation for receiving the master's degree (M.A.) public management, human resources orientation, summer 2019, abstract knowledge in today's advanced world of organizations, is rapidly becoming a competitive advantage.