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Number of pages: 85 Category: Facilities - Mechanics

To get a master's degree in mechanical engineering Abstract: Today, the use of aluminum and magnesium alloys in the automotive and aerospace industries is increasing due to the high strength of these alloys and their light weight. Since the forming ability of these alloys is low at ambient temperature, forming these alloys at high temperatures improves their formability. ...

Number of pages: 88 Category: Facilities - Mechanics

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

Number of pages: 83 Category: Facilities - Mechanics

Dissertation for receiving master's degree in mechanical engineering, the trend of manufacturing and production of complex industrial products from metal pipes with the aim of increasing the strength-to-weight ratio of structures and especially reducing the fuel consumption of vehicles has attracted the attention of industrialists in recent years. In this regard, one of the new ...

Number of pages: 120 Category: Civil Engineering

Master's Thesis in Civil Engineering - Earthquake Engineering 1391 Abstract Structures with frames with coaxial braces are among earthquake resistant systems. These structures are widely

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: 64 Category: Facilities - Mechanics

Master's Thesis of Mechanical Engineering-Applied Design Abstract In many applications, graphene (monolayer or multilayer) is used in the polymer matrix as a composite. In this research, ideal graphene with a hexagonal bond shape between atoms, located in a polymer matrix, with different boundary conditions, including gripped and simple, under biaxial external compressive ...

Number of pages: 92 Category: Facilities - Mechanics

Mechanical Engineering Master's Thesis - Applied Design Abstract Today, in various industries such as aerospace, atomic energy, chemical industries, refineries, petrochemical industries, etc., there is a need to use high-pressure mechanisms to enable the completion of relevant processes. The increase in pressure is done inside the cylindrical chambers and as a result, such an ...

Number of pages: 29 Category: Research Methodology

Abstract Introduction: Intravenous feeding is considered a preferred and safe method for patients hospitalized in special wards, which despite its many advantages, has complications such as respiratory aspiration. Aspiration pneumonia is responsible for causing 15-20% of hospital infections and 39% increase in costs, and it is also considered one of the ten causes of death in ...

Number of pages: 73 Category: Facilities - Mechanics

Master's Thesis Applied Design Abstract In this thesis, in the field of vacuum technology, the importance, application and role of this technology in the industry and the advancement of scientific research, technical terms related to this technology, types of vacuum pumps, applications, advantages and disadvantages of each of the vacuum pumps, the importance of studying the ...

Number of pages: 133 Category: Civil Engineering

Dissertation for receiving a master's degree in the field of structural oriented civil engineering, 2013, although the construction and design methods of structures have expanded over the years, but still the effect of earthquakes is one of the most important.

Number of pages: 90 Category: Art - Graphics

Master's Thesis of Ardakan Faculty of Art and Architecture, Carpet Department (Primary Materials and Dyeing) Mehr 2013 Abstract: During the period of its use, the hand-woven carpet may be affected by various factors and conditions

Number of pages: 107 Category: Psychology

Dissertation for Master's Degree in General Psychology (M.A.) Abstract of the present study was conducted with the aim of comparing the psychological profile of parents with and without mentally retarded children based on Milon's multi-axis questionnaire. This descriptive research is causal-comparative. 50 parents of mentally retarded children of exceptional schools in Tabriz ...

Number of pages: 83 Category: Civil Engineering

Master's Thesis (M.sc) Civil Engineering, Soil and Foundation Mechanics Abstract In this research, the stability of soil reinforced with geogrid located on an underground cavity was analyzed using plaxis software, and the effect of several factors such as the number of geogrid layers, the length of the geogrid layer, the stiffness of the geogrid layer, the optimal location of ...

Number of pages: 141 Category: Civil Engineering

Dissertation for Master's Degree in Civil-Structural Engineering Abstract In our country, most of the structures and maybe all the conventional buildings are analyzed and designed independently, which means that these structures are mainly analyzed and designed by conventional software and considering a rigid or articulated support, and then the forces obtained at the base of ...

Number of pages: 107 Category: Civil Engineering

Dissertation for Master's Degree in Civil Engineering, Structures, Abstract: This thesis is the results of a numerical and parametric study on the effect of reinforcing reinforced concrete shear wall with FRP composite and applying the results of the finite element method. The finite element program is compared and calibrated against experimental data. Then, the numerical ...

Number of pages: 117 Category: Civil Engineering

Dissertation for Master's degree (M.S) Chapter 1 History of dynamic analysis of liquid storage tanks and regulatory orders in this regard Abstract The main goal of this research is to investigate the effect of the presence of seismic isolators on the dynamic performance of liquid storage tanks during an earthquake. In this regard, it is necessary to first know the dynamic ...

Number of pages: 102 Category: Civil Engineering

Master's Thesis (Civil Engineering - Water and Wastewater Engineering) Abstract: In this study, ram impact pump modeling was done by the software that was prepared. This software finds the outputs of the HAMMER software as input and by obtaining other information (including the pumping height, etc.) it calculates the amount of pumped water every time the valve is suddenly turned ...

Number of pages: 128 Category: Civil Engineering

Master's thesis in the field of civil engineering, soil and foundation, in this research, the bearing capacity of the conical pile group and the cylindrical pile group with the same volume are calculated and compared. Due to the lack of numerical studies and modeling by software for conical piles compared to laboratory tests in this field, in this research, the modeling of the ...

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: 88 Category: Physical Education - Sports

Dissertation for Master's Degree (M.A) major: sports biomechanics Abstract: The general purpose of this research was the effect of an eight-week yoga and aerobic training course on a selection of biomechanical parameters of women aged 30 to 40. The type of research was semi-experimental and the subjects were 36 women from the Tehran Region 4 Festival sports complex with an ...

Number of pages: 105 Category: Civil Engineering

Dissertation for Master's Degree in Civil Engineering, Hydraulic Structures, Abstract: It is obvious that water resources are essential for the life of living organisms and especially for human life. Drainers are a set of structures that are used to transfer water from the dam lake to the discharge point downstream. Therefore, due to the importance of this part of the dam, the ...

Number of pages: 87 Category: Physical Education - Sports

Master's Thesis of Physical Education and Sports Sciences, Sports Management, Abstract One of the factors on which a lot of research is done today is the physiological factors that govern behavior and the behavioral factors that affect physiological factors. The purpose of the present semi-experimental research was to investigate the changes in blood oxytocin level in response ...

Number of pages: 115 Category: Chemical - Petrochemical Engineering

In order to obtain a master's degree in chemical engineering, abstract freezing of fans in operational units, including the hydrogen unit of Imam Khomeini Shazand Refinery in the cold seasons of the year is one of the important problems in this refinery. In order to provide a suitable solution to this problem, we must have a suitable estimate of the fan outlet temperature. The ...

Number of pages: 98 Category: Medical Sciences

A master's thesis in the field of physiology, abstract comparing the effect of two different methods of protecting the myocardium during coronary artery bypass surgery by evaluating enzyme changes. In the present study, two different methods of protecting the myocardium during coronary artery bypass surgery, by evaluating the changes of enzymes affecting oxidative stress, ...

Number of pages: 107 Category: Electrical Engineering

Master's Thesis in Electrical Engineering, Power 1-1 Introduction Energy supply sources in the last few decades have been from fossil sources, which until recently have been obtained almost cheaply. Cheap energy sources caused that the optimal use of energy and energy recycling were practically not paid much attention. Due to the energy shortage crisis and the sense of danger ...

Number of pages: 109 Category: Electrical Engineering

Master's Thesis of Power Electrical Engineering Abstract The wide network of the power system has very expensive equipment, including generators, breakers, power cables and transformers. The power transformer is the beating heart of this network, which is always subject to various errors under the influence of operational and environmental conditions, and in some cases, it will ...

Number of pages: 172 Category: Medical Sciences

Dissertation for Master's Degree in Special Nursing Abstract: Introduction: The working environment of nurses working in special care units can have major effects on the results related to nurses and also on patient safety. Studying the factors in the working environment of nurses can provide useful and specific information for redesigning the work and thus improving the work of ...

Number of pages: 91 Category: Facilities - Mechanics

Master's Thesis in Mechanical Engineering - Applied Design Abstract In recent years, most of the researches have been focused on compressive and combined loading in order to investigate the buckling of nanotube structures, and for this purpose, the work done on tensile loading is very limited. Since the results of compressive and tensile loading in carbon nanotubes are ...

Number of pages: 121 Category: Electrical Engineering

Master's thesis in the field of electrical engineering - Power Abstract The importance of the energy issue has increased the need to use new energy sources as a producer of electrical energy. Nowadays, one of the suitable options for providing electric energy are scattered production sources. The use of distributed generation has many positive effects, such as increasing the ...

Number of pages: 188 Category: Facilities - Mechanics

Master's Thesis on Automotive Powertrain Abstract In this thesis, which is presented under the title of turbocharger adaptation suitable for EF7 engine in order to improve volumetric efficiency, firstly, the history of the invention and use of turbocharger is discussed. Then, the naturally aspirated and turbocharged engine are compared, the result of which is to clarify the ...

Number of pages: 78 Category: Agricultural Engineering

Dissertation for receiving a master's degree (M.Sc.) major: agricultural economics and estimation of the cost of destruction of underground water resources due to over-harvesting in Barshuri (case study: grain farmers of Arsanjan city) by: Jalil Khadem Al-Husseini Abstract Over-harvesting of underground water tables due to lack of proper management has led to a decrease in the ...

Number of pages: 158 Category: Facilities - Mechanics

Dissertation for obtaining a doctorate degree in the field of mechanical engineering - manufacturing and production: the advantages of using semi-solid processes are reducing the amount of gas porosity and shrinkage and modifying the microstructure, which aims to improve the mechanical properties of the part. In this research, the cooling ramp method has been used to produce the ...

Number of pages: 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: 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: 114 Category: Electrical Engineering

Master's thesis in the field of electrical power Abstract: Pulsed power is the accumulation of energy after a relatively long period of time and the release of energy very quickly. This process is to increase the instantaneous power of the system. The characteristic of this pulse includes the voltage level and rise time based on the load requirements. Improvement of efficiency ...

Number of pages: 147 Category: Facilities - Mechanics

Dissertation for Master's Degree in Energy Conversion Mechanical Engineering Abstract: Fluid propulsion vector orientation has emerged as an important technology for high performance air vehicles. This technology can improve the maneuverability of the aircraft by changing the nozzle flow and its deviation from its axial direction. The purpose of this study is to investigate the ...

Number of pages: 87 Category: Fisheries

Dissertation for Master's degree (M.Sc) in the field of fisheries - breeding and breeding of aquatic animals Abstract This research was conducted to examine the growth pattern, the process of body shape changes during the early stages and analyze the correlation pattern of body structures during the early stages of development and to investigate the functional role and ...

Number of pages: 198 Category: Facilities - Mechanics

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

Number of pages: 237 Category: Veterinary Medicine

Abstract: In order to investigate dietary and metabolic factors related to ascites syndrome in broiler chickens, a research was designed with 4 experiments. First experiment: 216 broilers after 21 days of age were used in this experiment. After 21 days of age, 45 ppm of atenolol and lutyroxine in the diet and a control in two sexes were implemented in a completely randomized ...

Number of pages: 120 Category: Facilities - Mechanics

Master's Thesis in Mechanical Engineering - Energy Conversion Abstract The vortex tube is a simple mechanical device that has no moving parts and is one of the equipment used in the refrigeration system, in which a high-pressure fluid enters the vortex tube through the inlet nozzles and splits into two streams with a lower and higher temperature than the inlet temperature, thus ...

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: 235 Category: Civil Engineering

Doctoral dissertation in civil engineering – Earthquake Engineering 2013 Abstract The inappropriate performance of columns in concrete buildings designed and built in the past years causes concern and attention to the amount of A

Number of pages: 77 Category: Educational Sciences

Dissertation for Master's degree (M.A) field: educational research. The abstract of the present study was prepared and compiled in order to investigate the effect of job pressures on the performance of secondary school female teachers. Data collection in this research is a descriptive survey method. The statistical population of this research is made up of 285 female education ...

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: 98 Category: Chemical - Petrochemical Engineering

Master's thesis in chemical engineering field, vapor pressure is an important thermodynamic property in process equipment design and chemical engineering unit operation. Therefore, experimental vapor pressure data that cover the entire range of vapor pressure are very valuable, but due to the lack of accurate measurements for the vapor pressure of some materials near the triple ...

Number of pages: 96 Category: Physical Education - Sports

Master's Thesis in the field of Physical Education and Sports Sciences - Physiology. Abstract: Investigating the effect of four weeks of isometric handgrip exercise on changes in blood flow-related vascular dilation and blood pressure in women with hypertension. It seems that hypertension has a complex relationship with endothelial dysfunction. Increased blood pressure ...

Number of pages: 85 Category: Physical Education - Sports

Academic Thesis for Master's Degree Field: Physical Education Major: Sports Physiology Abstract High blood pressure is one of the chronic non-communicable diseases that has become an epidemic in recent decades. Studies show that this disease is more and more pronounced among obese, overweight and sedentary people. The purpose of this study is to investigate the correlation ...

Number of pages: 96 Category: Chemical - Petrochemical Engineering

Master's Thesis in Chemical Engineering Abstract Vapor pressure is an important thermodynamic property in process equipment design and chemical engineering unit operation. Therefore, experimental vapor pressure data that cover the entire range of vapor pressure are very valuable, but due to the lack of accurate measurements for the vapor pressure of some materials near the ...

Number of pages: 89 Category: Medical Sciences

Dissertation for Master's Degree in Nursing (special care field) Abstract Introduction: A pressure ulcer is a tissue damage caused by pressure and can involve skin, muscle, connective tissue, cartilage and bone. Pressure ulcer is a painful, debilitating process and endangers a person's health by increasing mortality and morbidity in terms of increasing the length of ...

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: 172 Category: Industrial Engineering

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

Number of pages: 97 Category: Agricultural Engineering

Dissertation for Master's Degree in Natural Resources Engineering - Watershed Abstract After glaciers and ice sheets, underground water resources are the largest fresh water reserves on earth and are one of the important sources of fresh water supply needed by humans. Since in most parts of the country, rains are often insignificant and sometimes appear as destructive floods, ...

Number of pages: 99 Category: Medical Sciences

Dissertation for Master's Degree in Nursing Introduction: Increased intra-abdominal pressure (IAP) is known as an independent risk factor for mortality among patients in intensive care units, and the prevalence of intra-abdominal hypertension (IAH) is reported to be up to 58%. The effect of changing body position (elevating the head of the bed) on the accuracy of IAP measurement ...

Number of pages: 0 Category: Facilities - Mechanics

Master's Thesis of Energy Conversion Mechanical Engineering Abstract In recent years, due to the importance of finding energy, global warming and environmental pollution and its production sources, and the growing need of various industries for various forms of energy, as well as the large volume of its consumers around the world, the need to provide models to optimize energy ...

Number of pages: 100 Category: Paramedical

Abstract Introduction: In end-stage renal disease, it is necessary for the family to take support measures for the dialysis patient either at home or in outpatient centers such as hospital dialysis departments. Caregivers of these patients often spend a lot of time taking care of them and bear a lot of fatigue and care pressure. Objective: This study is aimed at determining the ...

Number of pages: 76 Category: Facilities - Mechanics

Dissertation for Master's Degree in Mechanical Engineering Field: Applied Design Abstract In this thesis, stability analysis of composite beam reinforced with carbon nanotubes on elastic support under axial force is investigated. The distribution of nanotubes is assumed to be uniform[1]. To determine the properties of materials reinforced with nanotubes, the results of molecular ...

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: 75 Category: Fisheries

Dissertation to receive a master's degree in natural resources engineering - reproduction and breeding of aquatic animals Abstract: The purpose of this study is to investigate the possibility and effects of replacing plant resources in the diet of rainbow trout. For this purpose, a combination of vegetable protein sources with the main source of wheat gluten along with corn ...

Number of pages: 151 Category: Electronic Engineering

Dissertation for Master's Degree (M.SC) Direction: Electronics Chapter 1: Outline of Design 1-1 Introduction The main problem of the research is to design and analyze the capacitive pressure sensor based on MEMS technology and to investigate how much the sensitivity of the sensor can be increased to measure eyeball pressure? In this research, the capacitive pressure sensor based ...

Number of pages: 102 Category: Management

Chapter One Research Overview 1 Introduction All over the world, the banking industry is considered one of the most important pillars of the economy of any country, and due to the provision of various financial and credit services, it plays a decisive role in the development of

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: 164 Category: Management

Dissertation for Master's Degree (M.A. Public Management, Financial Orientation, Winter 2019) Summary of the present research with the aim of ""investigating the significant difference in the country's budget stages before and after the establishment of

Number of pages: 175 Category: Civil Engineering

Doctoral Dissertation in Civil Engineering - Summer 2013 Earthquake Abstract One of the appropriate tools to know the condition of the network­ As one of the vital artery systems, water distribution is an indicator of reliability. one hand

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: 75 Category: Management

Thesis for obtaining a master's degree in the field of educational management in the summer of 2013 Abstract: The present study was conducted with the aim of investigating the relationship between the use of information technology and the satisfaction of students of the Faculty of Agriculture, Urmia University.

Number of pages: 127 Category: Management

Field: Executive Management Fall 2019 Abstract: The purpose of this research is to investigate the relationship between organizational justice and job performance of employees of Ardabil gas company. Organizational justice, the role of fairness and especially the perception of fairness in the environment

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: 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: 123 Category: Civil Engineering

Summer 1390 Expertise Master of the field: Civil Engineering Orientation: Structure Abstract: In this thesis, the effect of nanosilica on the mechanical properties and durability of concrete containing polypropylene fibers

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: 158 Category: Management

Dissertation for receiving a master's degree in the field of executive management of strategic orientation, March 2013. The present research is a survey in terms of method and applied in terms of purpose. The statistical population of the current research is Ka

Number of pages: 133 Category: Management

Dissertation for receiving the master's degree ""M.A."" Management Shahrivar 1390 Abstract The aim of the research is to investigate the effect of establishing the proposal system on the efficiency of Merck's professional response system

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: 100 Category: Civil Engineering

Thesis for receiving the degree of M.Sc. Trend: soil and soil in February 2013 Abstract: Allowed load capacity or safe load capacity is a virtual pressure that is within the range of

Number of pages: 169 Category: Civil Engineering

Thesis for receiving a master's degree in the field of civil engineering with structural orientation in February. 2013 Abstract: In recent years, significant progress has been made in the field of improvement and resistance

Number of pages: 139 Category: IT Information Technology Engineering

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

Number of pages: 115 Category: Civil Engineering

Master's Thesis in Civil Engineering - Structural Orientation, February 2013 Abstract: The performance of a building during an earthquake depends on many factors, as a result, predicting the seismic performance of structures should be considered either explicitly or implicitly as part of the design or evaluation. Predicting the seismic response of the structure is very ...

Number of pages: 138 Category: Management

Master's thesis in the field of executive management Mehr 2013 Abstract: The issue of corporate social responsibility in the modern economy and in management issues is one of the most prominent issues in the past 20 years.

Number of pages: 181 Category: Geography - Urban Planning

Dissertation for Master's degree (M.A) Major: Climatology Abstract: Geographically, Iran has little rainfall due to its proximity to the subtropical high pressure center of STHP and the prevailing weather conditions of this system. In the southern regions of the country, as a result of the longer rule of this system, the drought phenomenon becomes more acute. Rainfall changes ...

Number of pages: 124 Category: Agricultural Engineering

Abstract Today, rice is the main food of more than half of the world's population and rice is cultivated in five continents and more than forty countries. Rice is one of the main meals of the people of Iran, until 1340, Iran exported more or less rice annually, and since then, as a result of the improvement of the economic situation of the people and the rapid increase of the ...