Download more than 81 examples of thesis, proposal and project topics about reverse osmosis membranes in editable WORD file format at undergraduate, graduate and doctoral levels for use and reference in research, articles, theses, student and academic projects.
An academic thesis for receiving a master's degree in chemical engineering, environmental orientation. Among the models that are able to make successful predictions for the performance of reverse osmosis membranes, that is, the amount of separation and flow flux in a wide range of physical conditions (membrane and solution) and laboratory conditions (pressure and concentration), ...
Master's thesis in the field of civil engineering (environmental engineering) is an abstract of the surface absorption method, one of the effective methods for removing metals, including nickel metal. In this research, modified rice paddy has been used as absorbent material. Since this adsorbent is a natural material with a high contact surface, in addition to its high ability ...
Master's Thesis in Nano Chemical Engineering Abstract The aim of this study is to separate cationic polyacrylamide from the waste water of Prodeh Tabas coal washing plant using the polymer membrane filtration process. The primary membrane was prepared using polyacrylonitrile (PAN) by phase inversion process, and then they were prepared using hydrolysis as chemical modification ...
Master's thesis in the field of chemical nanoengineering Abstract: Fabrication of ceramic nanofiltration membrane for chloride ion separation (case study: gas condensate) In this research, chloride ion separation using alumina-titania double layer nanofiltration membrane has been investigated. For this purpose, first, the alumina-titania double-layer membrane is made based on ...
Master's thesis in the field of chemical nanoengineering, abstract modeling of chloride ion removal from gas condensate using nanofiltration of chloride ion in gas condensate can cause severe corrosion of equipment and pipes. Therefore, it is necessary to remove it from the condensate flow. The aim of this work is the mathematical modeling of the nanofiltration process for the ...
Master's Thesis (M.Sc.) Direction: Process Design Abstract Currently, membranes have found a special place in different separation industries and have wide applications in different fields of separation, including liquid solutions and different gases. Membrane technology is one of the most widely used technologies in today's industry, whose field of application is wide ranging ...
Dissertation for Master's Degree in Energy Systems Engineering Abstract Currently in Iran, there are many gas turbines producing electrical energy whose efficiency is around 30% to 40% depending on the environmental and functional conditions, in fact two thirds of this energy from fuel combustion is wasted through exhaust fumes and thermal waste. In order to increase the ...
Dissertation for receiving Master's Degree (M.A.) Field: Industrial Management (Production Orientation) Summer 1990 Abstract With the current progress of industries, the return and reuse of used products is one of the activities of May.
Dissertation for obtaining a master's degree, specialization: accounting, abstract: several studies have proven that stock returns perform differently in different time horizons, short-term, medium-term, and long-term. Two important and widely used strategies among analysts, portfolio managers and other investors in the current capital markets of the world are the reverse ...
Abstract Introduction: One of the most common types of fractures in the jaw and face area is the fractures of the middle area of ??the face and cheekbones, in which the anterior wall of the sinus is involved in the majority of these fractures. Following the fracture of the front wall of the sinus, soft tissue prolapse, sinusitis, rhinitis, pain and tenderness can occur when ...
Doctoral thesis in the field of chemical engineering. Abstract The study of the effective parameters in the synthesis of silver nanoparticles by the inverse microemulsion method of metallic silver nanoparticles is of interest due to their use as catalysts, antimicrobial agents and biosensors. The practical use of silver nanoparticles is highly dependent on the size distribution ...
Master's Thesis of Chemical Engineering-Biotechnology Abstract The deteriorating energy sources of fossil fuels will make the developing human society suffer from fuel shortage in the not too distant future. As a result, the concerns of the continuous and increasing release of carbon dioxide into the atmosphere, as well as the extent of pollution caused by fossil fuels that have ...
Master's Thesis in Geophysics – Seismology 2019 introduction of spectral acceleration maps by probabilistic method for Iran in the range of 44-54 geographic longitude and 40-26-5 geographical latitude based on the analysis
Master's Thesis M.Sc. Industrial Engineering Industries-Industries trend of academic year 1389-1392 Abstract: With increasing government supervision and the increasing attention of public opinion to environmental issues, companies
Abstract: The aim of this research is to investigate the relationship between the sensitivity of asymmetric cash flow and cash retention in companies, with an emphasis on financial constraints. This research is a library and analytical-causal study and is based on panel data analysis. In this research, the financial information of 112 companies admitted to the Tehran Stock ...
Master's Thesis in Accounting, Abstract The purpose of this research is to investigate the relationship between the components of quality costs and quality in the company. In this research, the traditional method was used to collect the quality costs and the PAF model was used to determine the components of the quality costs. Research hypotheses based on a statistical sample for ...
Dissertation for receiving a master's degree, specialization: accounting, research abstract: The purpose of this research is to investigate the final value of cash for investors and to examine the relationship between financial flexibility and capital structure, as well as the impact of flexibility on capital structure decisions. In this research, the information of 94 companies ...
Dissertation for Master's Degree (M.A.) Orientation: Industrial and Organizational The Impact of the Psychological Atmosphere Governing the Organization and Core Self-Evaluations on the Work Enthusiasm of Gar Miankoh Company's Employees Abstract This research was carried out with the aim of investigating the impact of the psychological environment governing the organization and ...
(Strength – Orientation) Economics-Economics, January 2013 Abstract The revenues from the sale of oil have a significant share in the government's income and the government's gross domestic product in Iran. On the one hand, due to the importance of the industrial sector
Title: The effect of ethnic groups on the elections of the Islamic Council in the last three terms of West Gilan. The abstract of this research, titled the effect of ethnic groups on the elections of the Islamic Council in the last three terms of West Gilan, was conducted in the cities of Astara, Talesh, Masal, Razvanshahr, Foman, Shaft, and Soumesara. However, only assigning a ...
Master's Thesis of Social Communication Sciences The abstract of the present research was compiled with the aim of representing foreign cultural values ??in the environmental advertisements of Tehran. In this research, we were looking for answers to these questions, whether the environmental advertising of Tehran presents and advertises foreign cultural values ??or not, and if ...
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 ...
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 ...
Dissertation for receiving the MA degree in the field of Business Administration. Abstract: Based on economic theories, the development of the financial system through the expansion and diversification of the country's financial markets leads to a more appropriate allocation of resources and ultimately faster economic growth. The main goal of this research is to investigate the ...
Master's Thesis of Physical Education and Sports Sciences (Exercise Physiology) Abstract The purpose of this study was to study the effect of omega-3 supplementation during an increasing aerobic training period on the response of pro-inflammatory cytokines TNF-?, ?1-IL and insulin resistance index in type 2 diabetic men. For this purpose, 30 men with type 2 diabetes with an ...
Dissertation for Master's Degree in Business Administration Examining the relationship between dividends and stock returns has long been one of the most difficult challenges faced by financial economists. This is done by measuring the cumulative abnormal return. Especially in this study, we investigate the influencing factors on the accumulated abnormal return in periods when ...
Abstract In recent years, there have been vast advances in the field of image sensors and digital imaging systems, but still theoretical and practical limitations affect the resolution of images taken with these cameras. Super resolution techniques have been developed in recent years to overcome these limitations. These techniques create a higher resolution image by using one or ...
Dissertation for master's degree in handicrafts, traditional drawing and painting. Introduction: The question of the efficiency of a field in the higher education system has always been a mental concern of officials in different countries. In the advanced countries of the world, before establishing a field, extensive research is carried out on the educational content or ...
Master's Thesis in the field of Computer Engineering-Artificial Intelligence Abstract Inferring gene regulatory networks from Microarray time series data by dynamic Bayesian networks Genetic regulatory networks are a set of gene-gene relationships that create a cause and effect relationship in gene activities. Our knowledge about these networks plays a very effective role in ...
Dissertation for Master's Degree in Computer Engineering (M.Sc.) Specialization: Software Abstract Today, moving ad hoc networks are more widely used and popular than in the past. Therefore, paying attention to the category of security in such networks is of great importance to the extent that it has become one of the important topics in scientific and research circles in the ...
Dissertation in Master's Degree Abstract The subject of this research is the analysis of the content of religious Facebook pages, and during it, an attempt has been made to analyze the structure of religious pages in the Facebook space, considering the importance of Facebook in the virtual space and also the place of religion in life. The existence of many religious pages raises ...
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 ...
Dissertation for Master's degree (MA) specialization: regional planning Abstract of the thesis: The studies that were carried out in this research based on the problems and dilemmas of Tehran, which some suggested ""moving the capital"" as a way out of the current situation of the metropolis of Tehran, were examined, considering the long history of this plan since 1368 and the ...
Master's thesis in composition Abstract: The present piece named ""Fantasy for violin and symphony orchestra"" is written in the form of the first movement of a concerto (sonate form) and contains various parts of the first movement of a violin concerto, including introduction, exposition, development, cadenza, reprise and coda. Although this piece is written in the form of a ...
Dissertation for receiving a master's degree in the field of civil engineering with a focus on soil and foundation. Abstract: The compressibility behavior of soils has become an important concern in geotechnical engineering. As buildings, embankments and roads are implemented, significant settlements often occur. Since long-term settlements occur due to creep, therefore, the ...
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, ...
Master's thesis in the field of ancient languages ??and cultures. Abstract of this research, by choosing a ritual and natural element, it deals with a comprehensive investigation of the deities related to that element in Iranian and Indian religions, and its importance is in collecting and classifying scattered information in Vedic and Avestan sources such as Gahan and Yasht. In ...
Dissertation for Master's Degree (M.Sc) in Electrical Engineering - Electronics Orientation. Abstract of hashing functions is a type of abstracting function that is used in all encryption designs and security protocols to generate random numbers and password storage mechanism for authentication and digital signature in the digital world. The National Institute of Standards and ...
Representation of Mazandaran (North) Field: Industrial Engineering - System and Efficiency Management to obtain a master's degree Abstract: Developing countries must choose the appropriate model and strategy in order to achieve economic development. The experiences of developed and newly industrialized countries show that in order to achieve economic development, it is necessary ...
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 ...
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. ...
Abstract: This research deals with factors affecting information asymmetry by considering company variables and market factors and examines the relationship of information asymmetry with liquidity and liquidity risk. Next, it examines the relationship between liquidity risk and excess stock returns. For this purpose, the information of the companies admitted to the Tehran Stock ...
Dissertation for receiving a master's degree, specialization: food industry, abstract of osmotic dehydration, the process of removing water is based on the placement of food materials in a hypertonic solution. In this research, the combination of osmotic dehydration process for carrot pieces with a thickness of 0.5 cm at a temperature of 60 degrees Celsius and time intervals of ...
Dissertation for receiving a master's degree, specialization: food industry, abstract of osmotic dehydration, the process of removing water is based on the placement of food materials in a hypertonic solution. In this research, the combination of osmotic dehydration process for kiwi pieces with a thickness of 0.5 cm at a temperature of 60 degrees Celsius and time intervals of ...
The first chapter of the project title: The effect of infant massage on the amount of father-infant attachment - a randomized controlled clinical trial Statement of the problem Research on fetuses and newborn animals has shown that unusual sensory experiences (both overstimulation or overprivilege) can affect brain development. Touch sensitivity starts from the 7th fetal week ...
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 in Telecommunication Electrical Engineering- LFSR-based scrambler parameter blind detection system in digital data In digital telecommunication systems, linear scramblers are used both for simple encryption and for breaking a large sequence of identical bits. The bit sequence issue, i.e. a large number of 0's and 1's in a row, usually leads to synchronization ...
Master's thesis in the field: Chemical Engineering Abstract In this research, a comprehensive two-dimensional model based on the Finite Element Method (FEM) is proposed for modeling gas-solvent membrane contactors to remove carbon dioxide[1] from synthesis gas. Aqueous solution of monoethanolamine has been used as absorbent solvent stream and CO2/N2 gas mixture as gas stream. ...
Chemical engineering master's thesis without preface today simulation in processes can be an important tool to solve problems in different industries. A new idea that should be done in the real world by trial and error with a lot of costs and risks can be simulated in the environment of a strong software and the results can be used. Simulation can also be used to check and ...
Academic Thesis for Master's Degree in: Physical Education and Sports Sciences, Sports Physiology, Abstract The purpose of this study was to evaluate the effect of one week of glutamine supplementation on oxidative stress caused by activity. Nineteen young, healthy, non-smoking men voluntarily participated in this study. Subjects were randomly divided into placebo (10 people) ...
Dissertation to receive master's degree in organic chemistry Keywords: Farsi: Besparash, condensation, composite, nanocomposite, anchoring Nitrogen in bonding with metals can destroy them
Abstract: Introduction and purpose: One of the most important adult stem cells that has attracted the attention of most researchers is mesenchymal stem cells. Mesenchymal stem cells derived from bone marrow have the ability to transform into different types of cells, including fat cells, bone and cartilage, in addition, these cells can be differentiated into neuronal cells. Most ...
Master's Thesis in Industrial Management - Production Orientation Abstract The purpose of this research is to investigate the quality of two-way services between producers and suppliers in Shiraz Narges Vegetable Oil Company. It is practical in terms of purpose and survey-analytical in nature. To achieve the purpose of the research, Shiraz Narges vegetable oil company and its ...
Dissertation for receiving a general doctorate degree Abstract Introduction and purpose: Metallobetalactamases (MBL) are enzymes that are produced by non-fermenting Gram-negative bacilli such as Pseudomonas aeruginosa and make these strains resistant to carbapenems. As a result, Pseudomonas carrying metallobetalactamase genes are considered a serious clinical threat. Considering ...
Dissertation for M.Sc. Degree: Food Industry Abstract: Pectinases are a group of hydrolytic enzymes that break down pectic substances. Exopolygalacturonase (exo-p) and endopolygalacturonase (endo-p) are two types of this group. In this study, two fungal species, namely Aspergillus niger and Vetrichodermarisi, which were able to produce pectinase, were isolated. The results of ...
Dissertation to receive a master's degree ""M.Sc"" in the field of electrical engineering, power systems trend Abstract Today, significant advances in semiconductor technology and the emergence of high-power switches that have the ability to be turned off by a control signal on the one hand and the better efficiency of multi-level converters compared to two-level converters on ...
Master's Thesis in Telecommunication Electrical Engineering- LFSR-based scrambler parameter blind detection system in digital data by Zahra Zakeri In digital telecommunication systems, linear scramblers are used both for simple encryption and for breaking a large sequence of identical bits. The bit sequence issue, i.e. a large number of 0's and 1's in a row, usually leads to ...
Master's thesis in the field of genetics. Hypotheses: Considering that miR-21 is produced by gastric cancer tumor tissue more than healthy tissue, it is expected that its serum level is significantly higher in patients compared to control subjects, and this increase is related to the staging of gastric adenocarcinoma tumors in patients. Is miR-21 serum level a reliable marker ...
In order to obtain a master's degree in the field of mechanical engineering, energy conversion, abstract: In this thesis, the mass and heat transfer by integral method in the flow of natural displacement of a fluid with a very low frontal near the wavy inclined wall and under the magnetic field has been investigated. The wall is permeable and as a result, the fluid can be sucked ...
Dissertation for receiving the professional doctorate degree in veterinary medicine D.V.M. Abstract: Objective: Newcastle disease is one of the important economic diseases of the poultry industry in Iran, which is common in most poultry flocks and causes a lot of economic losses. Usually, serological methods are used to diagnose this disease, especially HI and ELISA methods.. ...
Master's Thesis of Polymer Industry Engineering Abstract With the progress of human civilization, technology development and the ever-increasing population, the world is currently facing a problem called pollution that threatens the lives of the inhabitants of the earth. Pollution caused by the accumulation of persistent toxic compounds in soil and water, such as chemicals, ...
Master's Thesis of Electrical Engineering-Communications Wave Orientation Abstract In this thesis, identification of the position and shape of two-dimensional metal objects by optimization[1] of the cost function[2] with the help of the level setting method[3] and the simulation results are presented. In this method, we were able to obtain the shape and position of the objects ...
A Master's Thesis in the field of Animal Science- Animal Physiology Abstract: The effect of adding dry citrus pomace powder on the reproductive performance of old broiler chickens with the aim of improving egg quality and sperm penetration into the vitelline layer and increasing fertility. The number of 36 broiler chickens of the Cobb 500 strain and their 12 hens of the same ...
Dissertation for master's degree in the Department of Plant Pathology Abstract One of the limiting factors of potato cultivation in Golestan province are plant diseases, the most important of which are viruses, and among them, PVY (Potato virus Y) is one of the most destructive. This virus infects many species of the Solanaceae family, plus more than 60 other plant species. The ...
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 ...
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 ...
A master's thesis in the field of mechanics, applied design, abstract. These two characteristics are caused by phase transformations under different thermodynamic loadings. Depending on these two mentioned features, memory alloys can be used as actuators in different forms. These structures can be used in different fields such as medicine, aerospace, knowledge
Abstract This research was conducted in order to investigate the absorption characteristics of cobalt, cadmium and nickel metals using lemon peel. The effect of different parameters such as solution pH, amount of adsorbent, contact time and temperature on the absorption process was investigated and the optimal operating conditions for the absorption of each element on the ...
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 ...
Mechanical Engineering Master's Thesis - Energy Conversion One of the ways to reduce energy consumption for underwater devices is to reduce the drag on these devices. The nose of underwater objects is one of the most important parts of these objects in dealing with currents. By optimizing this part, the drag can be reduced by controlling the boundary layer of the fluid, by ...
Dissertation for Master's Degree Abstract Achieving higher rates of heat transfer using different techniques that can result in saving a significant amount of energy and also lead to the production of more compact and cheaper devices with higher thermal efficiency has attracted the attention of researchers. Vortex generation is one of the best methods used to increase heat ...
Dissertation to receive a master's degree in mechanical engineering in the field of construction and production. Abstract: The growth and expansion of cities and the development of urban life require up-to-date and expandable infrastructure. Transportation systems are among the basic infrastructures in cities, among which the creation and development of subway networks is of ...
Dissertation for receiving a master's degree in electrical engineering field telecommunication field Abstract This thesis focuses on the applications and development of Time-Reversal techniques based on signal processing methods for broadband electromagnetic waves in homogeneous and random discrete and continuous environments. Time reversal methods based on the invariance of ...
Master's thesis in the field of mechanics, specialization: mechanical engineering - energy conversion. Abstract: One of the most important components of fluid transmission systems are control valves, which can be seen in different routes of oil and gas transmission pipelines, etc. In control valves, the most important issue is the property of the flow in order to achieve the ...
Master's thesis in the field of mechanical engineering in the field of energy conversion. Abstract The increasing use of fossil resources, the increase of greenhouse gases and the strict standards of car pollutants are the main incentive to use biodiesels as an alternative fuel for diesel engines. Air pollution, global warming, limited and expensive fossil resources are among ...
Master's Thesis, Mechanical Engineering, Energy Conversion, Abstract In this thesis, using the CFD computational fluid dynamics technique, the effect of key parameters such as the effect of secondary inlet pressure on the ejector device, suction ratio, return currents caused by secondary inlet pressure and the effect of all these parameters on the hydrodynamic characteristics of ...
Master's Thesis on Car Structure and Body Abstract In recent years, many researchers have allocated their attention to a special category of materials, memory materials. The ability to absorb and control vibrations actively or passively, respectively, is affected by the features of shape memory and hysteresis energy loss caused by the pseudo-elastic characteristics of these ...
Dissertation: To receive the degree of professional doctor of veterinary medicine (D.V.M.) Title: Investigating the level of bacterial contamination of unhatched eggs in the hatchery of Mahabad city. Hatchery is an important part of the poultry industry, and the spread of bacterial diseases can be prevented by following the hygiene principles. In this research, samples were ...
Abstract: Drought stress is one of the most important factors limiting the growth of agricultural plants, which adversely affects crop yield. One of the methods that have been used in recent years to deal with dehydration and drought stress in many plants is the use of useful microorganisms such as mycorrhizal fungi. Mycorrhizal fungi with extensive hyphal network and increased ...