Download more than 100 examples of thesis, proposal and project topics about surfactant concentration in editable WORD file format at undergraduate, graduate and doctoral levels for use and reference in research, articles, theses, student and academic projects.
Dissertation for Master of Chemical Engineering Abstract: In this research, it is attempted to solve one of the major problems in the field of drug production, i.e. improving the solubility of drug particles in body fluids[1] by using the process of solvent/anti-solvent precipitation and nano-scale sediment production in a ?-shaped microchannel, the effect of surfactant ...
Master's Thesis in Chemical Engineering, Thermodynamics and Kinetics Abstract: A major part of the final properties of the product in emulsion polymerization is determined by the particle size distribution. In this project, an accurate model based on population balance equations (zero-one model) which includes the phenomena of nucleation and particle growth has been chosen to ...
Dissertation for Master's Degree in Analytical Chemistry Abstract: Today, modern catalysts are used in the petrochemical industry for various reactions. Zeolites in the more advanced form of ""nano zeolite"" are very important in this regard due to their high surface area. The aim of this research is to provide a ""spectroscopy-chemimetry"" method and to provide an optimal ...
Dissertation for Master's Degree in Physical Education and Sports Sciences - Sports Physiology Abstract: Background and Objective: During metabolic changes during pregnancy, the mother's contact with heavy metals is considered very important for placental function and fetal health. But it has been assumed that endurance training by affecting the activity of metalloproteins such ...
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 ...
Chemical Engineering Master's Thesis Abstract: In this research, a method for the synthesis of ZSM-5 nanozeolite was presented. Then this nanozeolite was modified with CTAB surfactant and its characteristics were investigated using XRD, FT-IR, and SEM methods. This nanozeolite was used to prepare a modified carbon paste electrode (SMNZ/CPE) to measure sulfate anion. Also, the ...
Dissertation for Master's Degree in Advanced Chemical Engineering Abstract A new method based on point cloud extraction to extract uranium from water samples and its measurement using alpha spectrometry based on liquid scintillation has been investigated. Uranium extraction from water samples in the presence of a number of available surfactants and chelating reagents has been ...
Petroleum Engineering Master's Thesis Abstract Phosphoric acid is the second most consumed mineral acid in the world and is used as a raw material in the production of detergents, food and pharmaceutical products. In this sense, the purification of phosphoric acid is one of the essential needs of consuming industries. 95% of acid consumed in industries that need pure phosphoric ...
Dissertation to receive a Ph.D. in Pharmacy Persian Summary Simvastatin with the brand name Zocor is a drug that is widely used in the treatment of hypercholesterolemia. Simvastatin has a poor solubility in water which reduces its therapeutic benefit, drug solubility behavior remains one of the challenging aspects in formulation development. Considering that many drugs have ...
Dissertation for Master's Degree in Analytical Chemistry Abstract Nowadays, nanostructures have attracted the attention of many researchers due to their new features and applications in different fields and branches of science and technology. Meanwhile, nanocomposites, due to their unique physical and chemical properties, as well as potential applications in catalytic, ...
Dissertation for receiving a master's degree in the field of agricultural engineering, food science and food industry, food technology. Abstract In this research work, the effect of saponin of Chubak plant on the stability and increase of foam in beer has been done. As we know, the root of Chubak plant is a rich source of saponin compounds, which are the most important and ...
Abstract Background and Purpose: Emulsions are an important part of most food, pharmaceutical and cosmetic systems, which are very important in various industries due to their special rheological and physicochemical properties. But the main limitation of these systems is their thermodynamic instability, which causes phase separation over time. In this research, the effect of ...
Abstract: In this study, the relationship between ownership concentration, company performance and dividend policy in companies listed in the food and pharmaceutical industries of the Tehran Stock Exchange has been examined. The statistical sample of the research includes 44 companies during the period of 1380 to 1387. The chosen approach for hypothesis testing is the ...
Dissertation to receive M.A. degree in educational psychology. Abstract Objective: The aim of the present study was to compare short-term memory, accuracy and concentration of 10 and 11-year-old children who learned and did not learn music. Method: The present research method was causal-comparative or post-event. The research sample consisted of 50 music students (with at least ...
Dissertation for Master's Degree in Physical Education (M.A.) Major: Exercise Physiology Abstract The purpose of this research is to investigate the effect of 6 weeks of high-intensity interval training on the serum levels of growth hormone and ghrelin in overweight men. For this purpose, 20 overweight men were randomly divided into two groups (experimental=10, control=10). ...
Dissertation for Master's Degree in Computer Engineering-Artificial Intelligence and Robotics Abstract: Every year, many traffic accidents occur all over the world due to driver drowsiness and inattention, which cause a lot of loss of life and money. One of the ways to detect fatigue and lack of concentration is to use driver face monitoring systems. By receiving images from the ...
Master's Thesis: MBA Abstract This research examines the effect of ownership concentration on audit fees in companies listed on the Tehran Stock Exchange. The amount and nature of external audit fees requested by auditors, with three descriptive factors; The volume of the operation, the complexity of the operation and the audit risk are related. The research showed that the ...
Master's thesis in the field of chemistry, analysis, abstract. In this research, the synthesis of polymer nanoparticles of ion template using sedimentation method and for the separation and preconcentration of nickel ions from aqueous samples is reported. Nickel template polymer nanoparticles by dissolving stoichiometric amount of nickel nitrate and ligand ...
Dissertation for Ph.D. Ph.D. Persian Summary Aripiprazole is an atypical antipsychotic drug that shows its therapeutic effect with a combination of antagonistic activity of 5-HT2A receptor and partial agonistic activity of 5-HT1A and D2 dopamine receptors. This drug is used in the treatment of schizophrenia, type I bipolar disorders and as an adjunctive treatment in major ...
Dissertation for receiving a Master's degree (M.Sc) major: applied chemistry Persian Summary Raloxifene is used to treat breast cancer and infertility related to oligomenorrhea or secondary amenorrhea. Raloxifene is a new treatment that has recently become available for the prevention of osteoporosis of the spine. This medicine is taken as one pill a day. In some ways, this drug ...
Dissertation for Master's Degree in Mechanical Engineering Abstract: Nowadays, due to the increase in population in big cities, building high-rise buildings and residential towers may seem inevitable. But in locating these types of buildings and placing them together, a series of environmental requirements must be observed. In this thesis, an attempt has been made to re-evaluate ...
Dissertation for M.Sc. Abstract Orchids are among the most diverse family of flowering plants. This family has more than 800 genera and 25,000 species. Orchids come in a wide variety of sizes, shapes and colors. The lifespan of orchids after harvesting is also long. The large-scale increase of orchids using plant tissue culture techniques contributes to the position of this ...
Dissertation for obtaining a master's degree, specialization: accounting, abstract: It is generally believed that the presence of institutional investors may lead to a change in the behavior of companies. The influence of institutional investors on management decisions regarding financial decisions has been proven in previous researches. The purpose of this research is to ...
Dissertation for receiving a master's degree in the field of executive management of strategic orientation March month 1391 The abstract of the current research is survey in terms of method and practical in terms of purpose. society
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
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
Master's Thesis of Ardakan Faculty of Art and Architecture, Department: Carpets, November 2013 Abstract: Some contemporary (mostly commercial) carpets have defects in color, which are checked by a restorer upon the customer's request.
Dissertation for Master's Degree in Geography and Urban Planning Abstract In this research, the changes in urban land use in Tabriz Region Three Municipality (comparison of new and old detailed plan) have been investigated. The statistical population consists of the municipality of Seh Kalanshahr region of Tabriz. This research is considered to be an applied type of research, ...
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 ...
Dissertation for obtaining a master's degree M. A) Field: Geography and Urban Planning Chapter 1 (Research Plan) 1-1- Introduction The establishment of any urban element in a specific physical-spatial location of the city is subject to specific principles and rules and mechanisms (mechanisms) which, if followed, will lead to the success and functional efficiency of that element ...
Dissertation for the Master's degree ""M.A."" Accounting major: Accounting Abstract: In this research, the relationship between ownership structure and financing methods of companies accepted in the capital market of Iran has been investigated. The model (Lin et al., 2013) has been used to measure financing methods. Among the financing control mechanisms, institutional ...
Master's Thesis in Accounting (M.A.) The disclosure of information is different in different companies. What is discussed in this research is profit prediction. Profit forecasting in Iran is done by managers. Considering the role that managers have in profit forecasting, in this research, the relationship between the manager's ability and the timing of the forecast disclosure, ...
Master's Thesis in Accounting Abstract Identifying and investigating the factors affecting credit risk in economic enterprises is very important because it can prevent losses from failure to pay loans as a result of the banking crisis. Based on this, this research examines the relationship between competition in the product market and credit risk in companies admitted to the ...
Dissertation for receiving a master's degree, specialization: accounting, is an abstract of the present research and research work in order to determine the effective factors in the selection of accounting methods for the inventory of materials and goods and its effect on the quality of profitability of companies admitted to the stock exchange. This thesis prepares a framework ...
Thesis for obtaining a master's degree in the field: Geography, specialization: Climatology in environmental planning. Abstract Different climatic parameters such as temperature, humidity and rainfall in a place are factors that influence the climate of that region and knowing them determines the climate of that region. Climate change is one of the most important climate issues ...
Chapter 1 1-1-Introduction: Common fluids such as water, oils and ethylene glycol, which are usually used as heat transfer media, have a limited ability in terms of thermal properties, which is the first obstacle to compress and increase the efficiency of heat exchangers. One of the ways to improve heat transfer is to add particles to the fluid. This method is used for fluids ...
Dissertation for Master's Degree in Geography and Urban Planning Chapter 1: General Research 1- 1- Proposing the issue of urbanization expansion and its relationship with social and economic harms is one of the main characteristics of the country's urban development pattern in the last few decades, and accelerated growth and development and unbalanced distribution in the new era ...
Dissertation for master's degree in the Department of Geography and Urban Planning Abstract One of the phenomena that today's cities, especially large cities, are facing is the phenomenon of high-rise construction. The rapid and uncontrolled growth of the population in cities and the consequent need for housing on a large scale, on the one hand, and preventing the horizontal ...
Master's Thesis in Accounting (M.A) Abstract In this research, the relationship between the joint board of directors, discretionary disclosures and profit quality in 57 companies admitted to the Tehran Stock Exchange from the beginning of 2015 to the end of 2010 is examined. In this research, stock volatility, joint management board and independent director are considered as ...
The thesis of the master of social sciences of this research intends to examine and analyze the social stratification structure of Balochistan, Iran and the social contexts affecting it during the first Pahlavi period. For this purpose, first of all, the research intends to refer to the social contexts involved in the structure of stratification, such as social traditions, ...
Dissertation for Master's Degree (M.A.) Major: Industrial and Organizational, Predicting Employees' Job Performance Based on Empowerment, Organizational Citizenship Behavior, and Psychological Capitals Abstract: The purpose of this study was to investigate the predictive role of empowerment, organizational citizenship behavior, and psychological capitals on the job performance ...
To receive a master's degree in polymer engineering - polymer industries, May 2013 abstract With the progress of various sciences and knowledge, the boundaries of knowledge have converged and in some fields we are witnessing
Dissertation for receiving a master's degree in architectural engineering, Bahman 1993, abstract of what should be considered in improving the quality of villages in our country today, determining the appropriate type of rural intervention based on specific characteristics.
Master's thesis in the field of geography, urban planning, abstract Urban crises are an integral part of urban management, and this issue takes a much more complicated form in metropolitan cities, considering the large and growing population of Isfahan metropolis and its location in the Sanandaj-Sirjan zone, the occurrence of a large earthquake or other natural and human ...
Dissertation for Master's degree (M.A.) Major: General, investigating the effect of communication skills training on social adjustment of high school girls. Abstract The purpose of this research was to investigate the effect of communication skills training on social adjustment of high school girls. For this purpose, among the female high school students referred to education ...
Thesis for obtaining a master's degree in environmental economics, Shahrivar 2019 Abstract: In this research, the relationship between gross domestic product, energy intensity, population, urbanization rate and Co gas emission rate
Dissertation for receiving a master's degree (M.A) in the field of school counseling. The effectiveness of teaching children's behavior management to mothers on the mental health of mothers and symptoms of attention deficit hyperactivity disorder in children. The purpose of this study was the effectiveness of teaching behavior management to mothers of children with attention ...
Dissertation to receive M.A. degree Abstract: The present study investigates the relationship between the influence of the composition of ownership and the board of directors of companies on corporate social responsibility in companies listed on the Tehran Stock Exchange. The purpose of this research is to identify the factors affecting the level of compliance with social ...
Abstract: The presence of controlling and major shareholders in the company causes the concentration of ownership in the hands of a limited number of people. The more this concentration of ownership increases, the greater the possibility of collusion between the major and controlling shareholders with the management.
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 ...
Dissertation for Master's Degree (M.A.) Major: General, the relationship between self-control and family functioning with social adjustment among high school students in Abadeh city. Abstract The present study was conducted with the aim of investigating the relationship between family functioning and social adjustment among high school students in Abadeh city. This ...
Thesis for Master's Degree in Executive Management Abstract: The purpose of this research is to identify the effective factors in reducing administrative corruption through the improvement of the organizational structure in government organizations, and then it tries to provide appropriate solutions to reduce administrative corruption in the National Bank of Iran. The present ...
Dissertation for receiving a master's degree, specialization: accounting, abstract: according to the efficient market theory, one of the characteristics of an efficient and ideal market is the absence of transaction costs and, as a result, high liquidity. With the increase in liquidity, the cost of transactions will decrease significantly. Liquidity also plays an important role ...
Dissertation for receiving a master's degree in the field of: Geography and Urban Planning Abstract In this research, the changes in urban land use in Tabriz Region Three Municipality (comparison of new and old detailed plans) have been investigated. The statistical population consists of the municipality of Seh Kalanshahr region of Tabriz. This research is considered to be an ...
Dissertation for Master's Degree in Educational Technology (M.A) Abstract: The purpose of this research is to investigate the role of music-based education in reducing the learning disorder of elementary school students in Gilangreb city. The method used in this type of research is quasi-experimental with post-test and pre-test and two experimental and control groups. The ...
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 ...
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 ...
Dissertation for Master's Degree (M.A.) majoring in General Psychology Abstract Objective: The purpose of this research is to compare the quality of life, meaning of life, body image and mental health in two groups of menopausal and non-menopausal women with emphasis on their level of education. Research method: In the current comparative causal research, the statistical ...
Thesis for Master's Degree in Elementary Education Abstract: The present study was conducted with the aim of investigating the effect of teaching problem solving strategies on reducing math anxiety among female students in the sixth grade of primary school in Qazvin city. And the sample group consists of 60 students who were randomly selected from a stratified cluster of the ...
Dissertation for master's degree in urban planning, department of geography. Abstract The most important criterion for analyzing the state of spatial justice in the city is the distribution of urban facilities and services, and the amount and distribution of facilities can play an effective role in the spatial movement of the population and demographic changes in urban areas. ...
Dissertation for the degree of Master of Accounting (M.A.) Summary of the research: In this century, the intensity of competition and the complications and uncertainties caused by it have caused the management of companies to be more sensitive to the use of their financial and non-financial resources, and all they try to do is to spend the resources in a place that creates value ...
Dissertation for Master's Degree (M.A.) Direction: Accounting Abstract Competition in the product market has a significant impact on the investment of companies and operational decisions and theoretically indicates the upper and lower limit of investment in an economic enterprise. This will result in adverse consequences such as decreasing market efficiency, increasing ...
Dissertation for Master's Degree (M.A.) Major: Industrial and Organizational Relationship of Organizational Culture with Job Satisfaction and Job Burnout of Landeh City Teachers Abstract: The purpose of this research is to investigate the relationship between organizational culture with job burnout and job satisfaction among teachers in Landeh City. This study was carried out by ...
Review of the strategic alignment of information technology and the organization's business strategies Abstract: The alignment of information technology strategy with business strategy is the most important issue before information technology and business managers. The general purpose of this research is to investigate the strategic alignment of information technology in the ...
Master's degree thesis in the field of geography and urban planning summarizes the physical development and growth of Iranian cities until a few decades ago, coordinated and appropriate to the needs of the urban society. With the emergence of new developments, cities quickly accepted changes and transformations. These transformations have been in the form of rapid population ...
Ph.D. Dissertation, Natural Geography, Geomorphology, Abstract: Lakes in the end basins are considered to be very smooth and low-sloping surfaces in arid regions. As one of the most important geomorphological units in arid regions, these sunken pits, which are usually places where surface water accumulates, contain valuable paleogeomorphic and paleoclimatological information. ...
Dissertation for M.Sc Master's Degree in Remote Sensing and Geographical Information System - Water and Soil Resources Abstract One of the important issues in crisis management of unexpected natural events, especially earthquakes, is optimal location in order to accommodate citizens during or after an accident. One of the major problems of the organizations involved in urban ...
Master's Thesis in Social Communication Sciences (M.A) Introduction: Now that the information and communication revolution has spread geographical boundaries and created tremendous changes in the field of globalization, a large volume of information and new knowledge is easily available to everyone through information networks, and it seems that a ""global village"" is being ...
Dissertation for Master's Degree (M.A.) Direction: Government Introduction Over the past few decades, the concept of intelligence has been increasingly introduced in the history and research of psychology and management as a structure that is related to multiple human behaviors in different environments. On the other hand, nowadays intelligence [1] has become the prefix of many ...
Dissertation for Master's Degree (M.A) in Curriculum Planning Abstract The purpose of this research was to examine the relationship between social skills and test anxiety with the academic performance of high school girls in Morvdasht city. In terms of its nature and objectives, this research is of an applied type and correlational method has been used for its implementation. ...
Dissertation for M.A. Degree: Clinical Psychology Abstract Objective: The present study compares active schemas in depressed subjects with anxious subjects in non-profit Azad University students of Rasht city. The research method is correlational and post-event, comparative and cross-sectional. The statistical population of this research was all the people who studied in the ...
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. ...
Introduction: The present research is devoted to the investigation and study of the bottlenecks of the physical development of Shiraz from the perspective of geomorphology. In a general definition, geomorphology is: The science of swimming is the unevenness of the earth's surface and its task is to recognize and classify (classify) these shapes for planning in the environment. ...
Dissertation for Master's Degree in Remote Sensing and Geographical Information System - Water and Soil Resources Abstract The increase in population and the excessive development of cities, especially in their outskirts, regardless of environmental and human characteristics, has caused irreparable damage to the environment and its residents. For this reason, the issues of ...
To receive a master's degree in geography and urban planning. Abstract: The extent of how urban services are distributed can play an effective role in the spatial displacement of population and population changes in urban areas, and since one of the criteria of sustainable urban development is paying attention to the balanced distribution of population. Therefore, urban services ...
Dissertation to receive the master's degree ""M.S.c"" specialization: Textile chemistry and fiber science Abstract: One of the important processes in the completion of textile goods is the underhand improvement in textiles. Finishing the softener provides a desirable softness to the fabric and improves its properties, and the main goals of the softener are to reduce static ...
Abstract: So far, extensive researches have been conducted in relation to the choice of destination, personality and typology of tourists and it has been proven that there is a very close relationship between the personality of tourists and their motivation to choose a destination. In this field, research has also been done in Iran, but not with this interpretation and title. ...
Dissertation for M.A. specialization: accounting, abstract change of auditors in professional circles is due to various reasons. In addition to the compulsions that capital market managers have considered to change the auditor, the change of auditor may be caused by the existing corporate governance mechanisms within the organization in such a way that they choose the auditor ...