Download more than 100 examples of thesis, proposal and project topics about semi dry electrical discharge in editable WORD file format at undergraduate, graduate and doctoral levels for use and reference in research, articles, theses, student and academic projects.
To obtain a master's degree in mechanical engineering - manufacturing and production. Abstract: The electric discharge machining process is one of the advanced machining processes, which is one of the important applications of this process. Despite the unique applications of this machining method, low chipping rate, high surface roughness, high tool wear rate and environmental ...
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
Abstract The main task of the synchronous generator excitation system is to provide the necessary voltage for the generator excitation winding. The excitation voltage is a dc voltage and it is used to create a flux in the excitation winding of the generator and consequently to produce a magnetic field to produce electrical energy by a synchronous generator. In the provided ...
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 ...
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 ...
Abstract Babol-Babolsar study area, with an area of ??1817 square kilometers, is under the Babol-Amol area, which is located in Mazandaran province. About 898 square kilometers of the area is the plain and 919 square kilometers are the heights of the northern slopes of Alborz. Babolrud river is the main source of surface water in the area. The climate of Babol-Babolsar plain is ...
Master's thesis in the field of chemical nanoengineering Abstract The synthesis of silicon dioxide nanoparticles from silicon oil waste using the synthesis method of silicon dioxide nanoparticles [1] has many industrial applications. The industrial use of these particles in traditional fields as well as new fields is expanding, for which new applications are continuously found. ...
Dissertation for receiving a master's degree in the field of chemistry. Abstract: One of the valuable medicinal plants is the rosemary plant with the scientific name Rosmarinus officinalis, which is hot and dry in nature, from the mint family, which is commonly grown in most parts of Iran and has many valuable properties, including antioxidant, antibacterial, pain-relieving and ...
Master's thesis in the field of electrical-electronic engineering Abstract of the construction of a humidity sensor using carbon nanotubes Today, humidity sensors have many applications in various fields, including environmental control processes, household applications, automotive industry, medicine, agriculture and chemical industries. Until now, various structures have been ...
Master's thesis in the field of electrical engineering, power orientation Abstract: Pulsed power is a design for discharging stored electrical energy on a load in one or more short pulses with a controllable repetition rate. Pulse power generation technology is divided into two branches: low power pulses and high power pulses. Low-power pulses are several megawatts and ...
Dissertation for M.Sc. Natural Resources Engineering, Watershed Management Abstract Currently, flood spreading on aquifers is considered one of the suitable methods for controlling and optimal use of floods and artificial feeding of groundwater in arid and semi-arid areas. Chenaran watershed in the northwest of Mashhad with an area of ??299,624 hectares is located at 36.36 19.59 ...
Persian Abstract Effect of salinity stress on the growth characteristics of some selected almond genotypes (Prunus dulcis) grafted on GF677 base, the combination of rootstock and scion can affect the growth characteristics and nutrient concentration of almond leaves and roots under salt stress conditions. In order to evaluate the effect of salinity stress on morphological, ...
Abstract: Salinity stress is one of the most important abiotic stresses in the world, and its negative effects on the growth of agricultural plants have led to an increase in research on salinity tolerance with the aim of improving plant tolerance. In addition to increasing growth, potash fertilizers help to improve product quality and increase plant resistance against adverse ...
The thesis for obtaining a master's degree in natural resources-environmental engineering is an abstract of the ecological system, a comprehensive and interconnected system, and human actions are a combination of large, small and repetitive activities. What is certain is that every human decision and action affects the environment, in other words, human activities, both small ...
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 ...
Dissertation for Master's Degree in Ecological Agricultural Engineering Abstract In order to investigate the effect of waterlogging period and different amounts of phosphorus and potassium on nitrogen biofixation in the vegetative stage (V4) of Soybean cultivar Dipiax (Ketol), a pot experiment was conducted in 2012 at Gorgan University of Agricultural Sciences and Natural ...
To obtain a master's degree in mechanical engineering - manufacturing and production Abstract Fuel cells are electrochemical devices that are used to directly convert fuel into electrical energy. One of the most important types of fuel cells is the polymer fuel cell, which is widely used. In general, two types of optimization can be done in the polymer fuel cell: optimization in ...
Thesis for Master's degree in the field: Chemical Engineering Abstract Today, tea is one of the most popular drinks among the people of the world, especially in Iran, that's why drying tea leaves is essential for long-term storage. In this research, both a tea leaf and a pile of it were examined and dried. Green tea leaves were dried in the temperature range of 35 to 55 degrees ...
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 ...
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 ...
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
Dissertation to receive the master's degree of industry group. Desti Bahman 92 Introduction Traditional architecture has been influenced by culture and climate for a long time and this is while in different regions of Iran the climate
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 ...
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 ...
Faculty of Basic Sciences, Department of Human Geography, Dissertation for Master's Degree ""M.A"" Major: Rural Planning, Introduction to the investigation of activity platforms, especially agriculture and factors affecting the quality and quantity of its products, which itself plays an effective role in the development of activists and is extremely important. Summarizing the ...
Dissertation for M.Sc. Natural Geography-Climate Chapter 1 General Research Introduction Tourism is one of the largest industries in the world, which has a fast growth. For many areas, tourism is the most important source of income, and for other areas, the economic return from tourism is very high (Masoompour, Khosh-Akhlaq). According to the forecast of the World Tourism ...
Graduate School of Thesis for Master's Degree (M.A.) Abstract The general purpose of the current research is the design of mathematics courseware (1) and its effect on the learning and memorization of first-year male high school students in Kermanshah. The research is applied and semi-experimental. The statistical population includes all male students in the first grade of high ...
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 ...
Master's Thesis in Psychology (M. Sc.) Direction: Clinical Abstract Hypothyroidism is a chronic disease that can cause depression and sleep problems in people, therefore, the purpose of this study was to investigate the effectiveness of teaching emotional distress tolerance skills based on dialectical behavior therapy on depression and sleep problems of women with hypothyroidism ...
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 ...
Dissertation for Master's Degree (M.A) in the field of Natural Geography, Climate Hazards Abstract Dust storms are destructive weather phenomena that cause irreparable damage to urban areas, fields, facilities, roads, etc. every year. This phenomenon is affected by special weather conditions, and if the mechanism of its development and expansion is known, it is possible to ...
Master's Thesis in Psychology (M.A) Major: Clinical Abstract The purpose of this research is to identify the prevalence of depression in patients with epilepsy. For this purpose, the researcher has estimated the level of depression in patients with epilepsy according to the gender, education level, age and economic status of the patients. The current research method of ...
Dissertation for Master's Degree (M.A) in Business Administration, Administrative Transformation, Abstract Nowadays, in addition to research and education, universities play a role in the new mission of participation in the economic development of society. In the current research, an attempt has been made to explain the process of commercialization and the results of university ...
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 ...
Dissertation for the Master's degree ""M.A"" Field: Geography and Urban Planning Abstract: Today, with the expansion of cities and the growth of urbanization, as well as the increase in problems and dilemmas caused by this process and the importance of finding integrated management and balanced, comprehensive and sustainable development of the city, the discussion of improving ...
Chapter 1 1-1-Introduction Climate[1] is a complex system[2] that is changing mainly due to the increase of greenhouse gases. During the 20th century, especially in the last two decades, the climate of the earth lost its balance and showed a tendency to increase the temperature (Rahimiu et al., 2012). According to many experts, climate change is a natural phenomenon[3] that has ...
Dissertation for Master's Degree (M.A.) major: general, comparing the personality characteristics of delinquent and non-delinquent people Abstract: This research was carried out with the aim of comparing the personality characteristics of delinquent and non-delinquent people in Mahshahr city. Method: This research was a causal-comparative descriptive research. The statistical ...
Thesis for the Master's Degree in the Management of Dry and Desert Areas in the Name of God 1-1 Introduction: Iran is located on the geographical dry belt of the world, so that a significant part of the country's area is covered by deserts and desert lands. The existence of climatic and edaphic limitations has made the ecological structures in these areas very vulnerable, so ...
Dissertation for receiving a master's degree (M.A) in the field of geography and climatology in environmental planning. Abstract Due to the significant role of snow cover in the hydrological cycle, it seems necessary to investigate the characteristics of snow cover (snow cover level) with a high spatial and temporal resolution. The measurement of this parameter is generally done ...
Dissertation for obtaining a master's degree in the field: Geography, specialization: rural planning, abstract of Pakdasht city, which is stretched from the south of the Alborz mountain range to the plain, and due to the presence of the Jajroud river and its fertile soil, it is a suitable environment for farmers, especially for growing flowers and plants. These factors, along ...
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 ...
Master's Thesis Farsi Abstract: Today, with the expansion of DC consumers and non-linear loads connected to the network, the design and construction of power factor correction circuits using electronic power converters has gained special importance. With the advancement of technology, integrated circuits have come to help in this field. Due to the complexity and non-linear ...
Dissertation for Master's Degree (M.A.) Direction: Remote Sensing and Urban and Rural Geographical Information System Abstract: Subsidence phenomenon is one of the natural disasters that causes the reduction of underground resources such as underground water, oil, etc. One of the most important causes of land subsidence is the drop in static level and increase in effective ...
Dissertation for Master's Degree in Natural Geography Abstract Iran is a vast country that, due to its special location and topographic features, lacks water and It has a different atmosphere. For this reason, most of Iran is in the dry climates of the world. In addition to the lack of rainfall, the extreme fluctuations of rainfall in daily, seasonal and annual scales are among ...
To receive a master's degree in textile technology engineering. Abstract In the previous research, multi-sized nano-roughness was developed using nanoparticles with different sizes and different surface charges along with silicone resin coating to produce multi-purpose textiles with stable properties. In this research, the idea of ??using laser irradiation and finishing textiles ...
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 ...
Dissertation for receiving a master's degree, field of study: electricity-power, orientation: electric machines in a synchronous generator, a dc current is applied to the rotor coil to produce a magnetic field. Then the rotor of the generator is rotated by a prime mover to create a rotating magnetic field in the machine. This magnetic field induces a three-phase voltage in the ...
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 ...
Master's Thesis, Islamic Art, Painting, Abstract: More attention to the recognition and introduction of Hanabandan rituals can have a significant effect both in preserving the identity and authenticity, and in preserving the tradition and culture that created these rituals. This research with a descriptive-analytical method with a field-library method and a developmental goal ...
Dissertation for Master's Degree in Civil Engineering - Structures Abstract: One of the important problems in seismic design and implementation of buildings is the significant dead weight used in it. Therefore, in the case of using lightweight concrete that has favorable mechanical properties, significant benefits can be obtained, including a reduction in dead load and ...
Master's Thesis in the field of Business Administration (Tendency of Transformation Abstract In today's competitive markets that are constantly changing and evolving, the survival and growth of new companies due to their impact on employment and economic growth are among the factors that are of great importance, so the purpose of this research is to investigate the effect of ...
Dissertation for the degree of Master of Islamic Architecture Engineering Abstract: In the design of many existing buildings of our time, instead of considering the psychological and cultural needs of users, paying attention to organ functions and the latest examples built in advanced countries without regard to the culture of that region has been prioritized. This weakness is ...
Dissertation for Master's Degree in Civil Engineering Majoring in Environmental Engineering Abstract In this research, the effect of biological reactions on the removal of organic substances in wastewater during transfer from production sources to the treatment plant in conventional networks and new small diameter networks was investigated. For this purpose, a part of these ...
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 ...
Master's Thesis in Business Management (Tendency of Transformation) Abstract In today's competitive markets that are constantly changing and evolving, the survival and growth of new companies due to their impact on employment and economic growth are among the factors that are of great importance, so the purpose of this research is to investigate the effect of company and ...
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 ...
Dissertation for receiving a master's degree in the field of electricity, power orientation. Abstract In this thesis, the effect of return arc phenomenon on the performance of distance protection relay has been evaluated. Because the lightning striking the tower or the wire guard in the transmission lines can cause a return arc on the chain of insulators. Therefore, at first, ...
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 ...
Dissertation for master's degree in electrical engineering, power trend. Abstract Overvoltages are one of the most important factors that destroy and threaten the insulation of power network equipment and often cause interruptions in service and reduce the quality of power and reliability of the system. In addition, transient overvoltages caused by lightning are more common and ...
Dissertation for Master's Degree in Physical Education Abstract: Introduction: Exercise has positive effects on the cardiovascular system and increases the ability of the body's muscles, in the meantime, the respiratory system also becomes more capable. Compared to other sports activities, swimming puts all the body parts in a state of exercise and has a greater effect on the ...
Education Level: Master's Degree, Field: Civil Engineering, Major: Structures Abstract: In this thesis, the effect of nanosilica on the mechanical properties and durability of concrete containing polypropylene fibers was investigated. Polypropylene fibers with a length of 18 mm and a ratio of length to diameter of 0.9 mµ were used. The effect of fibers and nanosilica in three ...
Dissertation for obtaining the master's degree ""M.Sc."" Abstract Mechatronic Engineering Considering the reduction of potable water resources and also the increasing population of cities, the increase in the number of subscribers, the need to increase the speed and accuracy in meter reading and reduce excess costs, in order to achieve modern technologies, extensive research has ...
Electrical-Electronics Engineering Master's Thesis Abstract In this thesis, we have used graphene nano-ribbons as an active layer of a solar cell for the first time. To simulate this cell, the non-equilibrium Green's function method was used in the mode space, and the effect of electron-photon interactions was calculated by means of Born's self-consistent approximation. To ...
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 ...
Dissertation to receive a master's degree ""M.Sc"" in the field of electrical engineering, power, high voltage, abstract. Inverters can produce single-phase and three-phase ac voltages from a constant or variable dc voltage. There are various methods to control the output voltage of the inverter, which is introduced in this thesis from an inverter system with solar panel input. ...
Master's thesis in the field of civil engineering, the trend of water engineering, which is used in various stages of the production of each product, is called virtual water[1] stored in the product. Many countries located in arid and semi-arid regions, by importing food, preserve part of the water needed for domestic production of products for use in other purposes. In this ...
Master's thesis in the field of chemical engineering (gas engineering trend) in recent years, many horizontal wells have been drilled around the world. The main reason is the ability to increase the level of the tank in contact with the well, which increases the utilization of the well. Well testing is used to identify the models of hydrocarbon reservoirs and to identify their ...
Master's thesis in the field of chemical engineering (simulation and process control) abstract design of the control system for the fluidized bed reactor for the production of linear light polyethylene of the LLDPE unit of Jam Petrochemical under the license of Basel and Spherilene technology with an annual production capacity of 300,000 tons of product is one of the largest ...
Dissertation to receive a master's degree. Objective abstract: This research was conducted with the aim of determining the effect of self-management program on knee pain, self-care self-efficacy and performance of elderly people with knee osteoarthritis. Study method: This research is a semi-experimental pre-test and post-test study with a control group of an applied type, which ...
Master's Thesis of Civil Engineering - Water (M.Sc) Abstract Diagnosing the pattern of drought occurrence and its monitoring is important in determining the optimal approach to water resources management, especially regarding the water supply sources of big cities that are exposed to drought events from a climatic point of view. In the meantime, the city of Tehran is exposed to ...
Master's thesis in the field of chemical engineering, abstract of the laboratory study of iron oxide production on a microstructural scale using the precipitation method with supercritical anti-solvent by: One of the problems of cement used in oil wells, which are used to connect wall pipes and well walls, is that these cements do not have the desired resistance against high ...
Master of Physical Education (Pathology and Corrective Movements) Abstract Introduction: Multiple sclerosis is the most common progressive neurological disease in young adults. This disease destroys myelin in nerve axons and causes functional damage. One of the important areas involved in MS is the cerebellum. A problem in this structure causes a disturbance in balance, etc., ...
Academic Dissertation for Master's Degree in: Organic Chemistry 1-1) Introduction Today, nanotechnology [1] is an attractive subject that has attracted the attention of scientists, industrialists and even ordinary people due to the special properties and practical potentials of these materials. Considering the wide applications of carbon nanotubes, the methods of mass production ...
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 ...
Dissertation for receiving the master's degree ""M.Sc."" Orientation: food industry Abstract quantitative and qualitative analysis of bacterial and fungal flora and total volatile nitrogen, 6 types of commercial food, extruded (floating) produced in Mazandaran province, including: starters 1 and 2, growth and endings 1, 2 and 3, were investigated in a period of 90 days (0, 30, ...
Dissertation for Master's Degree in Power Electricity Chapter 1 Overview of Wind Energy and Wind Turbine Preface Energy supply and demand in the world has become one of the most important issues of the day, so that the world will be seriously affected by it until the end of the 20th century and even after that. Fossil energies such as oil, gas and coal are facing a new big ...
Master's Thesis on Simulation and Process Design Abstract So far, many methods have been presented to remove phenol from wastewater, among them, the membrane bioreactor process has received attention in the last decade. The use of hollow fiber membrane contactor in this process is to avoid direct contact between two phases and increase the surface-to-volume ratio. In the current ...