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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: 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: 99 Category: Civil Engineering

To receive a master's degree in civil engineering - water Abstract: Relaxation ponds should be designed in such a way that they can depreciate the potential energy stored in the reservoir water of dams and dams in such a way as to transfer it to the natural bed so as not to cause the loss of the bed and in critical conditions to destroy the pond and dam itself. In different ...

Number of pages: 141 Category: Civil Engineering

Master thesis M.Sc. Discipline: Civil Engineering, Orientation: Hydraulic Structures. Abstract River containment is generally done by dams and similar structures. The flow passing through these structures has a significant potential for erosion and scouring of susceptible beds. Relaxation ponds are designed and built mainly for the purpose of depleting flow energy and ...

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: 95 Category: Agricultural Engineering

Dissertation for Master's Degree in Agriculture and Plant Breeding Abstract to investigate the effect of urea fertilizer and sulfur-coated urea on the growth trend and quantitative and qualitative yield of fodder corn in the form of two randomized complete block designs with three replications of urea fertilizer at four levels of 0, 50, 100, and 150 kg per hectare and ...

Number of pages: 100 Category: Civil Engineering

Dissertation for Master's Degree in Civil Engineering – Shahrivar Marine Structures, September 1992 Abstract: Pipe-in-pipe systems are widely used in transmission line applications.

Number of pages: 121 Category: Civil Engineering

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

Number of pages: 87 Category: Civil Engineering

Dissertation of master's degree in civil engineering, structural orientation, October 1390, first chapter of generalities. 1-1 Introduction In recent years, there have been many advances in the field

Number of pages: 104 Category: Civil Engineering

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

Number of pages: 192 Category: Architectural Engineering

Thesis of master's degree in the field of restoration and revitalization of historical buildings and textures, Shahrivar 2013 Abstract: Iran's traditional markets, as a part of the long-standing Iranian cultural heritage, have long been a

Number of pages: 131 Category: Geography - Urban Planning

Thesis for obtaining a master's degree in the field of natural geography, geomorphology in environmental planning. Abstract: Studies on the effects of urban development on Zarjoub and Goharroud rivers in Rasht city have been carried out with the aim of improving the environmental quality of changing the conditions of the rivers from their pollution and flooding to favorable and ...

Number of pages: 197 Category: Geography - Urban Planning

An academic thesis for obtaining a master's degree in the field: Natural Geography - Geomorphology trend in environmental planning, abstract of the mutual effects caused by different resources and living and non-living components in a watershed, the necessity of implementing a systemic and integrated management model in watersheds with the aim of optimal resource efficiency and ...

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: 98 Category: Geography - Urban Planning

Thesis for obtaining a master's degree in the field of natural geography, specialization: geomorphology in environmental planning. Abstract: Nowadays, it is necessary to pay attention to the phenomenon of landslides and to predict, identify, control and reduce the risks and damages caused by it as one of the forms of unexpected events. Landslide is a phenomenon that depends on ...

Number of pages: 184 Category: Geography - Urban Planning

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

Number of pages: 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: 140 Category: Social Sciences - Sociology

Dissertation to receive a master's degree ""M.A"" Field: Social Sciences Major: Demography Abstract The purpose of this research is to investigate the amount of social capital among the marginal residents of Ahvaz city. Using the multi-stage cluster sampling method, 400 people were selected as the sample size. The unit of analysis is the individual. field and

Number of pages: 145 Category: Geography - Urban Planning

Master's Degree in Geography, Urban Planning, Abstract: Dilapidated urban tissues, regardless of their different types, are the product of some negligence of urban management, which over time has become an area of ??the city that lacks the necessary stability and physical strength, proper access for their homes has not been established, and they suffer from a severe lack of ...

Number of pages: 127 Category: Geography - Urban Planning

Master's thesis in the field of geography - ecotourism trend. Abstract Spending free time is one of the needs of human society. Therefore, the villages around the cities are ecotourism destinations that are basically based on natural attractions. On the other hand, the villages around the cities are increasingly faced with the construction of second homes and the growth of such ...

Number of pages: 101 Category: Geography - Urban Planning

Dissertation for Master's Degree in Remote Sensing and Geographical Information System - Water and Soil Resources Abstract One of the problems of advancing the management of pastures and forests in the northern regions of the country is fires that cause heavy environmental and financial damages. Fire risk management in connection with preventive measures can protect the natural ...

Number of pages: 247 Category: Geography - Urban Planning

Dissertation for obtaining a master's degree in the field: Natural Geography Major: Climatology Abstract Floods are one of the natural phenomena that mankind has been witnessing since a long time ago. In Iran, due to the large area, multiple climates, and temporal and spatial density of rainfall in most watersheds, every year we see huge floods in most regions of the country. ...

Number of pages: 174 Category: Geography - Urban Planning

Master's Thesis, Geography, Geomorphology, Abstract: The wide plain of Khuzestan hosts important permanent rivers, the largest of which is the Karun River. The Karun watershed is one of the largest sub-basins of Iran and a part of the main watershed of the Persian Gulf and the Oman Sea. The Karun River, with a length of about 890 kilometers, consists of four main branches, named ...

Number of pages: 196 Category: Geography - Urban Planning

Dissertation for receiving the master's degree ""M.A."" Orientation: Abstract urban planning based on the teachings of the Qur'an and the life-giving teachings of the religion of Islam, the earth is the cradle and cradle of man, and the cradle must be safe and stimulating so that man can grow and evolve in it. Undoubtedly, nowadays, the great importance of plants and the role ...

Number of pages: 91 Category: Management

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 ...

Number of pages: 91 Category: Management

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 ...

Number of pages: 273 Category: Management

Dissertation for Master's Degree (M.A.) Major: ""Production and Operations Management"" Thesis abstract (including summary, objectives, implementation methods and results): With the increase in competition in the global trade arena, the way to supply and select suppliers of machinery and spare parts in the supply chain is considered an important challenge for most organizations. ...

Number of pages: 159 Category: Physical Education - Sports

Dissertation for Master's Degree in Sports Management Abstract The purpose of this research is to determine the relationship between participation in recreational sports and the dimensions Social capital in the youth of Tehran was 15-29 years old. The sample size was calculated using Cochran's formula of 384 people and sampling was done by random cluster method. The current ...

Number of pages: 127 Category: Art - Graphics

Abstract Landscape painting has lost its traditional definition in the current century and its existence as a coherent and unified genre has been questioned. Studies related to it have become interdisciplinary branches, and the recognition and review of related works requires understanding of diverse sources in many fields of knowledge. Considering the lack of Persian sources in ...

Number of pages: 149 Category: Civil Engineering

Dissertation for receiving the master's degree ""M. Sc."" Field: Agricultural Engineering Major: Water Structures Abstract The sediment transfer process is a completely complex, variable and non-linear phenomenon. So that the behavior of the river in the sediment transfer capacity for a certain discharge is different in different times. Therefore, due to the complexity of the ...

Number of pages: 187 Category: Civil Engineering

Dissertation for Master's Degree in Civil Engineering, Soil and Foundation Mechanics Abstract: Fine-grained clay soils have always caused problems in construction projects, one of the ways to improve the properties of problematic clay soils is to use lime to stabilize the soil. It swells. this

Number of pages: 155 Category: Civil Engineering

Dissertation for M.A. degree Abstract of this research, knowing the conditions governing the Fahlian River, determines the Manning roughness coefficient in the studied area using various experimental and semi-experimental methods and tables for use in designs. And it presents the best and most reliable method of determining the roughness coefficient using field studies and ...

Number of pages: 115 Category: Civil Engineering

Master's thesis in the field of civil engineering (hydraulic structures) abstract of sediment transfer and sedimentation, the consequences such as the creation of sediment islands in the river path and as a result the reduction of flood flow transfer capacity, corrosion of river structures and It includes other problems. Also, suspended sediments affect the quality of water for ...

Number of pages: 121 Category: Civil Engineering

Master's Thesis Department: Civil Engineering (MSC) Specialization: Hydraulic Structures Abstract Minab River is the most important freshwater river in Hormozgan Province. This river is the drainage of the surface waters of the Minab catchment area, and two bridges have been built on it, the first one is the connecting road to Minab city and the second one is 1500 meters after ...

Number of pages: 94 Category: Civil Engineering

Master's Thesis in Civil-Soil Field Abstract Dense clay layers are used as one of the most common impermeable layers in most geotechnical structures such as earthen dams and municipal and radioactive waste disposal centers. Due to special geotechnical characteristics, these layers are damaged by cracking during their lifetime, these cracks increase the permeability of the layer ...

Number of pages: 124 Category: Civil Engineering

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 ...

Number of pages: 159 Category: Civil Engineering

Dissertation to receive the master's degree in civil engineering ""M. Sc"" Major: Water. Abstract The aim of this thesis is to investigate the trend of annual rainfall changes in 37 selected stations in the whole of Iran using non-parametric method. The two Mann-Kendall tests and the age estimator, which are among the most common non-parametric methods, were used for the trend ...

Number of pages: 92 Category: Civil Engineering

Abstract: Hydraulic jump is one of the amazing hydraulic phenomena that consumes the kinetic energy of water. Hydraulic structures such as relaxation ponds mainly use this important property of hydraulic jump to consume energy downstream of overflows, rapids and valves. The dimensions of these structures are directly dependent on the characteristics of hydraulic jump, therefore, ...

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: 87 Category: Civil Engineering

Master's thesis in the field of civil engineering, structure orientation Alkaline Aggregate Reaction [1] (AAR), is a chemical reaction that occurs in some concrete structures. (AAR) is a reaction between alkaline fluids in the pores and silica aggregates. Concrete failure, including expansion and cracking due to the alkaline reaction of aggregates, is of particular importance. ...

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: 118 Category: Physical Education - Sports

Dissertation for Master's Degree in Sports Management Abstract The purpose of this research was to determine the relationship between participation in recreational sports and the dimensions of social capital in young people aged 15-29 in Tehran. The sample size was calculated using Cochran's formula of 384 people and sampling was done by random cluster method. The current ...

Number of pages: 150 Category: Chemical - Petrochemical Engineering

Master's thesis in the field of chemical engineering. Abstract of the laboratory study of cadmium removal from drinking water. Today, the pollution of natural waters with heavy metals has caused concern in many countries of the world due to the destructive effects it has on living organisms. Cadmium enters drinking water through sewage and erosion of mineral rocks and effluents ...

Number of pages: 118 Category: Chemical - Petrochemical Engineering

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 ...

Number of pages: 19 Category: Research Methodology

Mechanical Engineering Master's Thesis Proposed Design - Introduction The use of fibers in concrete started about 50 years ago and day by day their use in various fields has increased. Adding fibers to the mixing design improves the mechanical properties of concrete and the behavior of the structure after cracking. It also increases the softness and malleability of the section. ...

Number of pages: 91 Category: Electrical 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: 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: 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: 130 Category: Civil Engineering

Master's Thesis in the field of Water Engineering - Water Structures Abstract: The effect of piles with the presence of gaps and collars in reducing the local scour depth of the bridge foundation is one of the important issues in hydraulic engineering, the investigation of the local scour around the bridge foundation. Local scour has the potential to compromise the structural ...

Number of pages: 129 Category: Geography - Urban Planning

Master's Thesis of Forestry, Ecological Survey of Vegetation in Vezag Forest Region (Southeastern Yasouj) Abstract In applied studies, to solve ecological problems related to the management and protection of natural ecosystems, recognition and survey of vegetation is very important. Ecological investigation of the vegetation of Zagros forests, which are considered the largest ...

Number of pages: 65 Category: Agricultural Engineering

Thesis for obtaining a master's degree, field: agricultural engineering, major: agricultural management. Abstract The purpose of this research is to investigate the factors influencing the willingness of urban households in Gilan to pay for organic rice. The current research is applied and descriptive, correlational and field method using a questionnaire. The statistical ...

Number of pages: 51 Category: Agricultural Engineering

Dissertation for Master's Degree in Natural Resources (M. Sc) Major: Forestry and Ecology Abstract In this study, the mountain almond reserve (Amygdalus Arabica Olive) in Kolam district of Badreh city in Ilam province, which is a typical reserve, was investigated. First, in the area, the range of the cam reserve, its identification and polygon was digitally closed. Within the ...

Number of pages: 63 Category: Agricultural Engineering

An academic thesis for obtaining a master's degree in the field of agricultural engineering, agriculture, abstract, in order to determine the appropriate planting date and investigate the effect of mulch application on the growth and yield of experimental beans in the form of a randomized complete block design with three replications in the crop year of 2013, was carried out in ...

Number of pages: 100 Category: Agricultural Engineering

Dissertation for receiving the master's degree ""M.Sc."" Orientation: Agriculture Abstract Effect of different levels of super absorbent (A-200) on the yield and yield components of wheat cultivar Shahriar at different levels of irrigation in two types of soil with different textures. This research was conducted in order to investigate the effect of the application of different ...

Number of pages: 81 Category: Electronic Engineering

Master's Thesis in the field of electrical engineering, electronics, abstract of the time response and circuit model of an optical detector based on the structure of graphene layers-graphene nanoribbon-graphene layers. The purpose of this research is to present the time response of an optical detector based on graphene layers and graphene nanoribbon. The need to increase the ...

Number of pages: 128 Category: Geography - Urban Planning

Dissertation for Master's degree (M.Sc.) Direction: Watershed, the effect of different components of rainfall on the morphometric characteristics of landslides in Mazandaran province. Abstract: Landslide is one of the main landslide processes that affects the evolution of mountainous regions and causes catastrophic events. Landslides in Iran, especially in the northern basins of ...

Number of pages: 168 Category: Mining Engineering

Dissertation for Master's Degree in Rock Mechanics Introduction Excavations made in rocks have different dimensions according to their purpose and vary from small dimensions to dimensions comparable to huge concrete structures. Surface excavations can be used as a space for extracting mines, creating buildings, and supporting and overflowing dams, factories, power plants, as ...

Number of pages: 88 Category: Geography - Urban Planning

Dissertation for Master's Degree (M.Sc.) Investigating the application of artificial neural network method in estimating the annual runoff of watersheds (Case study: Total Watershed, Fars Province) by: Jalal Zarei Abstract: The importance and place of water in human life, especially in the modern and overpopulated world, is not hidden from anyone, and industrial and urban life ...

Number of pages: 146 Category: Facilities - Mechanics

Mechanical Engineering - Applied Design Orientation Abstract: Vibration is one of the important and basic concepts in engineering sciences. In simple words, any system that has mass and spring property has the ability to vibrate and can vibrate at a natural frequency. It can be said with certainty that 95% of vibrations in industries are harmful to systems. If the system is in ...

Number of pages: 71 Category: Geography - Urban Planning

Abstract: Social forestry is a collective effort to create a flow of forest products along with the protection and restoration of forest resources in the long term to benefit the entire society. The purpose of this research is to investigate the factors affecting social forestry in Kabirkoh vegetation area (Dereshahr city). The current research is of an applied type and the ...

Number of pages: 141 Category: Agricultural Engineering

Dissertation for Master's Degree (M.Sc.) Direction: Watershed Management Abstract Investing in water and soil protection measures requires detailed investigation and design based on recorded experiences and evaluation of the effects and benefits of the measures. To compare water and soil protection measures in different places, it is necessary to have a standard method approved ...

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: 140 Category: Civil Engineering

Dissertation for Master's Degree in Civil Engineering/ Cold Water Engineering 1392 1-1- Introduction In this chapter, an overview of the concept of climate change and its causes and the effect of this phenomenon on natural resources and

Number of pages: 139 Category: Psychology

Dissertation for Master's Degree (M.A.) Major: General Introduction Diabetes is not only a common disease but also a major health problem that has spread widely in the contemporary world. Diabetes or sugar disease is a metabolic (fuel) disorder in the body. In this disease, the ability to produce insulin in the body is lost, or the body becomes resistant to insulin, and ...

Number of pages: 153 Category: Geography - Urban Planning

Master's Thesis in Geography and Urban Planning Abstract In general, earthquakes are one of the natural disasters that have destructive effects on human settlements and cause heavy loss of life and money to their residents. At the same time, the vulnerability of the city has a direct effect on the human casualties caused by the crisis, and the vulnerability caused by the ...

Number of pages: 82 Category: Geography - Urban Planning

Dissertation for obtaining a master's degree in the field: application of climate in environmental planning. Abstract Since the beginning of history, drought has been a part of climate changes in our environment. The lack of water on one hand and the indiscriminate and wrong use of water resources on the other hand are a serious threat to the environment and water resources in a ...

Number of pages: 139 Category: Psychology

Dissertation for Master's Degree (M.A.) Major: General Predicting Psychological Well-Being Based on Resilience and Life Expectancy in Diabetic Patients with Retinal Damage Abstract: The present study was conducted with the aim of predicting psychological well-being based on resilience and life expectancy in diabetic patients with retinal damage. The statistical population of ...

Number of pages: 98 Category: Geography - Urban Planning

Dissertation for Master's degree M.se field of remote sensing and geographic information system - water and soil resources Abstract: The phenomenon of dam failure has a catastrophic potential. Therefore, it is important to estimate the hydraulic parameters of flood waves in order to predict risks and manage resources and facilities and save human lives. Therefore, the issue of ...

Number of pages: 88 Category: Physical Education - Sports

Dissertation for Master's Degree in Physical Education, Physiology, Abstract Central stability is the ability to control the position and movement of the trunk on the pelvis, which allows the control and transfer of force and movement to the extremities during sports activities, which muscle contraction can increase this stability. Improving central stability can be effective in ...

Number of pages: 181 Category: Civil Engineering

Dissertation for Master's Degree > Direction: Hydraulic Structures Abstract: One of the assumptions that is made to simplify the dynamic analysis of the existing weighted concrete dams is the uniformity of the foundation in terms of physical parameters such as modulus of elasticity and damping. This is despite the fact that, in practice, different geological conditions may ...

Number of pages: 174 Category: Civil Engineering

Dissertation for master's degree in civil engineering, structural orientation. Abstract: Today, in earthquake-prone countries, it is recommended to use a variety of energy-depleting tools in order to dissipate the energy of earthquakes on the structure. One of these tools is rotational friction dampers. Because the current regulations do not provide a value for the coefficient ...

Number of pages: 154 Category: Civil Engineering

Master's Thesis of Water Engineering - Water Resources Management Abstract The advance of salt water in fresh water aquifers is not limited to the islands and coasts of oceans, seas and salt lakes, but it is possible for salt water aquifers to advance through deserts, swamps and salt water pits in the adjacent fresh water aquifers, making it salty and unusable in critical ...

Number of pages: 82 Category: Civil Engineering

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. ...

Number of pages: 137 Category: Civil Engineering

Dissertation for receiving a master's degree in the field of civil engineering in the field of earthquakes. Abstract: The introduction of damage generators is very close to the concept of inelastic behavior and, as a result, hysteresis energy. Therefore, it can be said that the hysteresis energy at these levels can be a significant criterion for the design or control of the ...

Number of pages: 91 Category: Civil Engineering

Master's thesis in the field of civil engineering, river engineering, abstract, the lack of water resources and the poor quality of drinking water in the city of Qom, due to the predicted warming of the climate and the increase in the population, as well as the lack of a reliable water source within the limits of this province, reveal the necessity of carrying out the water ...

Number of pages: 87 Category: Physical Education - Sports

Dissertation for Master's Degree in Physical Education, Physiology, Abstract Central stability is the ability to control the position and movement of the trunk on the pelvis, which allows the control and transfer of force and movement to the extremities during sports activities, which muscle contraction can increase this stability. Improving central stability can be effective in ...

Number of pages: 119 Category: Chemical - Petrochemical Engineering

Dissertation for M.S.c Master's Degree Orientation: Applied Abstract: In recent years, semi-conducting nanoparticles have attracted a lot of attention due to their electrical and mechanical properties, which result from limited quantum effects compared to their counterpart materials. Among semiconductor nanoparticles, ZnO nanoparticles have higher efficiency. To achieve higher ...

Number of pages: 89 Category: Fisheries

Master's Thesis on Aquatic Ecology, Fisheries Abstract Rivers, as one of the most important water resources, are very vulnerable to human activities. Creating reservoirs and dams is one of the oldest forms of human intervention in aquatic ecosystems. Despite the many benefits (hydroelectric energy production, flood control and water level regulation), dams also have the ...

Number of pages: 148 Category: Facilities - Mechanics

Master's Thesis in Mechanical Engineering (Applied Design) Introduction The question of the generating factor has always been raised as a dynamic question in all fields of science. Due to the complexity and unforeseen factors and the lack of all-round human mastery over physical issues, it has not been possible to identify the causative factor in many cases, therefore, due to ...

Number of pages: 93 Category: Agricultural Engineering

Dissertation for Master's Degree in Agricultural Engineering, Plant Pathology, Abstract The nematode Globodera rostochiensis had not been reported from Iran before 2007. The high contamination of the nematode in the potato fields of Hamedan province is considered a serious threat to the production of potatoes, which is the economic product of this region. Considering the ...