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Master's Thesis / Inorganic Chemistry Abstract Considering the application of nonlinear optical properties (NLO) in technologies such as lasers, remote communication, photovoltaic cells, information processing and holography and the mineral diversity of these materials, we started a research in this field and focused on borazine-containing dyes. Our main goal in this research is ...

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 receiving a Master's degree (M.Sc) major: food chemistry Summary Persian Iran is the main habitat of walnuts. Iranian walnut is an economically important species and has a lot of nutritional value. In this research, random walnut samples were collected from 100 walnut trees in two areas of Baghstan located in Tehran province and Erengeh located in Alborz ...

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

Master's Thesis of Faculty of Art and Architecture, Department: Carpet (Painting), October 2013 Abstract: Today, in today's advanced and industrialized world, using new methods, it is trying to make Tul products

Thesis of master's degree in the field: business management, orientation: international marketing Academic Year: 1391-1390 Abstract: This research aims to investigate investment attraction strategies and its obstacles in industrial development from

Dissertation of Master's Degree in Economic Sciences October 1392 abstract In economic literature, population, both in terms of level and size and in terms of its growth rate, is one of the most important variables.

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 ...

Master's Thesis of Geography and Tourism Planning (M.A.) Abstract: The increasing world population, especially in developing countries, economic poverty and the low level of national income of the mentioned countries have caused the population of these countries to be under pressure and economic hardship. These countries, despite having suitable natural resources and having ...

Thesis for obtaining a master's degree, field: natural geography, orientation: geomorphology in environmental planning, abstract, one of the pillars of the tourism industry is the existence of tourist attractions, especially natural attractions, which form the primary capital of the tourism industry. Seas, forests, meadows, mountains, valleys, waterfalls, mines, springs are ...

Dissertation for Master's degree (M.A.) specialization: tourism planning, thesis abstract (including summary, objectives, implementation methods and results obtained): sustainable development is one of the key and widely used issues of the modern world. The tourism industry is not excluded from this category in direct connection with geography. Changing the use of an abandoned ...

Dissertation for Master's Degree (M.A.) Major: Anthropology Dissertation Abstract (including summary, objectives, implementation methods and results obtained): Since the beginning of civilization, people have had a relationship with the plants around them. Belief in the healing power of plants may have existed among people long before they were recorded. In addition to having a ...

Dissertation for Master's Degree in Accounting Abstract: The purpose of this research is to investigate the impact of stock market fluctuations on the performance of companies. The desired criteria for measuring the performance of companies are return on equity (ROE) ? return on assets (ROA) ? net profit and economic added value and the desired criterion for fluctuations ? ...

Dissertation for obtaining a master's degree in the field: natural geography, specialization: tourism planning. This research deals with the development of geotourism in the Vashi Gorge of the Jalizjund basin of Firuzkoh city by using a descriptive and analytical method with practical objectives, and the method of collecting information is in the form of library, document and ...

Dissertation for Master's Degree in Geomorphology in Environmental Planning Abstract Geotourism is one of the newest and most popular branches of tourism and its fans are increasing every day and it is considered a tool for sustainable development. Geotourism or geotourism is a branch of tourism whose purpose is to enjoy seeing beautiful and amazing geological and ...

Thesis for obtaining a master's degree in the field: Geography, Tourism Planning, Abstract: In recent years, rural tourism has received serious attention as one of the aspects of rural development in the whole world. In this type of tourism, the goal is to identify the various natural and human talents of the villages and develop the factors that cause tourists to enter and use ...

Dissertation for receiving a master's degree in the field: Political Geography (M.A) Abstract: The science of political geography is one of the broad topics of science and is created from a politically organized unit in a specific geographical territory that includes the government's rule and a specific space. These organized units can include the primary political core, limited ...

Thesis for obtaining a master's degree (M.A) in the field: Geography, tourism planning trend. Abstract Today, tourism and especially nature-based tourism (ecotourism) can play a significant role in the economic development and income generation of human societies, which is different according to the natural dependencies and native habitats of each country. According to its ...

Dissertation for M.A. Abstract: The purpose of this research is to investigate the factors affecting the export tendency of companies located in the industrial towns of Gilan province. For this purpose, the manufacturing companies in the industrial towns of Gilan province were selected for research. And this research seeks to answer the question: What characteristics

Dissertation to receive a master's degree (M.A) in natural geography, specialization: climatology in environmental planning, abstract: natural disasters have been the most important cause of human concern at all times. Landslides are one of the most important natural disasters that cause financial and human losses every year, which creates problems in the implementation of ...

In order to receive a master's degree (M.A.) in the field of political geography, abstract, in this research, an overview has been attempted by examining the theories of political geography and the future developments that have occurred in the process of these theories. Alfred Mahan emphasizes the role of sea areas and Halford Mackinder emphasizes the role of land areas. Other ...

Dissertation for Master's Degree in Political Geography Abstract: Iran's foreign policy in the last three centuries was based on the country's western borders, but in practice, this country has suffered significant injuries from its eastern borders, especially after the division of the subcontinent into three independent countries in 1947 and the occurrence of border disputes ...

The thesis for master's degree in industrial management, based on the studies conducted, Khuzestan province is important in the country due to its many centers of manufacturing and production of all kinds of industrial goods in 7 groups of metal, non-metallic mineral, chemical, cellulose, food, electricity and electronics, textile and access to raw materials as well as other ...

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 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 (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 ...

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

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 ...

Master's Thesis of Information Technology Engineering, Information Systems Management, Abstract In today's world, due to the change in lifestyle, people are looking for a way to improve and improve their economic situation, one of the most important ways to improve their financial situation is to increase their income. One of the easiest ways is investment, which has different ...

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 for Master's Degree in Civil Engineering with Earthquake Orientation Abstract: Semi-rigid joints [1] are joints whose hardness is between the two states of grip and joint and transmit a part of the anchor, in other words, its degree of rigidity is between 20% and 90%. In this thesis

Dissertation for the Master's degree ""MA"" in Persian language and literature Abstract Culture and customs have always been with the people since long ago and have their roots in the history of the people of every country. Over time, social and psychological factors affect the way these customs are held. With a deep look at the past and the special culture and customs that the ...

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

Dissertation for obtaining a master's degree in chemistry, fluoride has been known as a toxic ion for many years. The main source of fluoride in aqueous solutions is minerals containing fluoride and the industrial activities of factories. According to the report of the Environmental Protection Organization, the amount of fluoride more than 1 mg/liter causes various diseases. In ...

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 ...

Dissertation to receive a Ph.D. degree in Pharmacy Persian Summary Urinary tract infection (UTI) is the occurrence of infection due to the entry and growth of bacteria in any part of the urinary system, including the organs that collect and hold and excrete urine, namely the kidneys, ureters, bladder and urethra. UTI is usually caused by the entry of bacteria that can live in ...

A master's thesis in the field of chemical engineering, abstract of the laboratory study and modeling of calcium carbonate production from calcium chloride solution by absorbing carbon dioxide from industrial exhaust gases, by the efforts of Amin Alamdari, the effect of carbon dioxide concentration on the precipitation of calcium carbonate species and the kinetics of calcium ...

Thesis for obtaining a master's degree in organic chemistry. Abstract: Title: Effective three-component synthesis of new 4-aryl-5-(tert-butylamino)-2-(1-methyl-1H-pyrrol-2-yl)furan-3-carbonitrile derivatives. In this research, a direct and efficient method for preparing new 4-aryl-5-aminofuran derivatives through a three-component one-pot reaction ...

Dissertation for receiving M.Sc degree) Major: Inorganic Chemistry Dissertation Abstract: We used Density Functional Theory (DFT) method at DFT/6-31G level to investigate the geometric structure, relative energies and electronic properties of possible protropic tautomers in Nexium, Protonix and Lamivudine. The structure and relative energies of tautomers in different solvents ...

Dissertation for Master's Degree (M.SC) Major: Chemistry and Essential Oil Technology Farsi Summary Introduction: Soil contamination with heavy metals is an important issue that these toxic elements can be transferred in the terrestrial ecosystem and have a potential risk to the quality of food and health, the environment. Soil pollution with heavy toxic metals has increased ...

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 general doctor degree in dentistry Abstract Introduction: One of the common problems after the surgery of the latent third molar tooth is the development of periodontal problems, which manifests itself in the form of a pocket in the distal second molar tooth, loss of connections and lack of adequate bone formation. To solve this problem, various methods such as ...

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 ...

Dissertation for Master's Degree in Nursing (Special Care Orientation) Abstract Introduction: Malnutrition is a nutritional disorder caused by a decrease or imbalance in energy, protein, vitamin and mineral intake. Among the patients who have a high prevalence of protein-energy malnutrition among them are those suffering from the final stages of kidney disease. Despite many ...

Dissertation to receive a general doctorate, abstract, introduction and purpose, among the banding problems in orthodontics, is the creation of decalcified areas around the bands. On the other hand, during the treatment, the bands are prone to loosening and the cement used must have sufficient strength. Recently, new compounds containing amorphous calcium phosphate (ACP) have ...

Master's thesis in the field of chemistry, Analytical Chemistry, Abstract In this project, a molecular template polymer was prepared for the selective extraction of phenylmercury chloride. To prepare this polymer, methacrylic acid (active monomer), ethylene glycol dimethacrylate (cross-linking agent), 2,2-azobisisobutyronitrile (initiator), phenylmercury chloride (target ...

Master's Thesis in the field of Nano Chemical Engineering Abstract Removal of phenol from industrial effluents using nanotechnology In this research, the photocatalytic removal of phenol as a model of organic pollutant in a fluidized bed reactor under ultraviolet and visible radiations has been studied. The effects of important parameters such as pH, catalyst concentration, ...

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 (M.A.) Direction: Executive Management Abstract Human economic efforts have always been aimed at obtaining the maximum result with the least available facilities and factors. This tendency can be called achieving higher efficiency. Performance measurement is the most basic step to improve its level. The banking system plays a very important role ...

Thesis for master's degree in the field: chemical engineering Abstract Hard polyurethane[1] is always considered one of the most effective and practical polymers in various industries, especially the coating industry. Excellent adhesive property, curing ability at ambient temperature and corrosion resistance of this polymer are some of its remarkable features. This study was ...

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

Master's degree thesis in the field of chemical engineering, thermokinetic and catalyst orientation. Abstract The purpose of this research is to estimate the electrical conductivity of natural waters based on modern mathematical methods. To achieve this, the waters of the Karaj and Jajrud rivers are considered as special cases. For this purpose, 20 sampling stations were ...

Dissertation for obtaining a professional doctorate degree in dentistry Abstract Introduction: One of the common causes of non-surgical root canal treatment failure is the inability to effectively treat all root canals due to the complex anatomy of the root canal system. Due to the fact that so far no comprehensive and extensive study has been conducted on the anatomy of the ...

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 ...

Master's thesis in the field of chemical-biotechnology engineering Abstract Protozoan protein refers to the protein obtained from the cultivation of bacteria, yeasts, filamentous fungi or algae, which can be used as human food or animal feed. In fact, protozoan protein is the dried cells of microorganisms that are obtained by their fermentation on different substrates. ...

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 ...

Master's Thesis, Department of Chemistry, Organic Chemistry, Abstract An effective method for the synthesis of pyrido[3,2-d]pyrimidine derivatives from the three-component condensation of 6-aminouracil, 6-amino2-thiouracil or 6-amino-1,3-dimethyluracil with aryl aldehydes and malononitrile, a class of pyrido[3,2-d]pyrimidine derivatives in the presence of high performance basic ...

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 ...

Thesis for receiving a master's degree in the field of chemical engineering in the field of biotechnology. The abstract of this research was conducted in order to optimize the operational parameters for the use of bioleaching technology in the extraction of copper from the slag produced by the reflective smelting furnaces of Sarchesmeh copper complex. Wide applications of ...

Thesis for receiving a master's degree in the field of chemical engineering, environmental orientation. Abstract: Ethylenediaminetetraacetic acid, due to its ability to solubilize and deactivate metal ions by forming a complex in the aqueous environment, has many applications, especially as a chelating agent for iron fertilizer. The synthesis of this substance is done in ...

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 to obtain a doctorate degree in general dentistry. Findings: The vertical changes of the soft tissue in all the measured points were lower in the test group compared to the control group, and this difference was not significant only in the midbuccal region, but it is significant in other places. The horizontal dimensional changes of the soft tissue were also less at ...

Dissertation to receive a master's degree (((M.sc) specialization: medical nanotechnology) Abstract In the present research, the cation exchange property of clinoptilolite is used due to its negative charge in its structure. The connection of this research topic with medical nanotechnology is due to the nanopores and porosity of clinoptilolite and the high absorption level of ...

Master's thesis in the field of chemistry, mineral orientation Abstract: Synthesis and identification of the symmetric bis((E)-2-nitrophenylallylidene)-2 and 2-dimethyl-1,3-diamine propane ligands with the general formula MLX2, where M represents zinc (II), cadmium (II) and mercury (II) metals and X includes chloride, bromide, iodide, It is thiocyanate and azide, it was done. To ...

Thesis for receiving a master's degree in mining engineering - mineral processing trend. The abstract of the Golghar Sirjan complex magnetite processing plant includes three circuits of dry crushing and classification, dry magnetic separation and crushing and more magnetic separation. The tonnage of the incoming feed to the factory is 450 tons per hour and the tonnage of the ...

Master's Thesis of Polymer Science and Technology Engineering Abstract Urethane-acrylate resins are of interest due to their low viscosity and flame retardant properties and relatively easy curing. On the other hand, natural fibers with renewable resources, low price, low density and high special properties have a special ability to be used in composites. However, their ...

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 for Master's Degree in Analytical Chemistry Abstract In this study, a new scinometric film method was used to measure dichromate ion in aqueous media using chromophore 1 and 5-diphenylcarbazide (DPC). 5-1-Diphenylcarbazide was used as a complexing agent for the measurement of dichromate ion. As a result of entering dichromate into the structure of the polymer film, ...

Dissertation: To obtain the degree of professional doctor of veterinary medicine (D.V.M.) Farsi abstract title: Evaluation of the total dissolved solids (TDS) factor in the drinking water of poultry farms in Piranshahr city. Water is considered one of the most important chemical substances in terms of biology and exists in solid, liquid, and vapor forms in nature. Water is one ...

Master's Thesis in Microbial Biotechnology Abstract Probiotics are food containing living microorganisms that are useful for the body. In other words, a probiotic is a live edible microorganism that has a positive effect on the cells of the host body and improves and increases the microbial balance of the consumer's body. Probiotics are often used in the production of fermented ...

Introduction Engineers are always looking for better quality. In mathematics and computer science, it is the process of choosing or finding the best member in the sets of available options. Every process has the potential to be optimized and complex problems can be modeled as optimization problems in the fields of engineering, economic and business sciences. The goal of modeling ...

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 ...

Master's Thesis of Polymer Industry Engineering Abstract Phenolic resins have excellent dimensional, thermal, chemical and corrosion resistance. Also, the fugitives produced during the thermal degradation of this resin have low toxicity and, in addition, they have high charring. Phenolic resins, due to having desirable properties, are used in many fields such as internal parts ...

Abstract In order to investigate the effect of planting densities on the yield and yield components of sesame cultivars (Moghan-Poldasht-Karaj) in a factorial experimental manner, it was implemented in the form of a randomized complete block design with 4 replications. The first factor included four density levels (5, 10, 15, 20 cm row spacing) and the second factor included 3 ...

Dissertation for Master's Degree in Food Science and Engineering, Food Microbiology, Abstract: Today, the increase in environmental pollution and the decrease in oil resources have led to the development and replacement of biodegradable packaging instead of packaging derived from petroleum resources. Also, in this regard, the use of antimicrobial compounds such as silver ...

Abstract In the present study, the effect of conditions (boiling) and storage time (9 days) on the content of ascorbic acid, nitrate and nitrite of 5 vegetable samples (broccoli, red cabbage, white cabbage, chives and mushrooms) were evaluated and the results were analyzed by spss 16.0 software. The results obtained from the statistical analysis showed that among the samples, ...

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

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 ...

Thesis for receiving a master's degree in the field of agricultural engineering, food science and food industry, food technology, abstract. Halva in Iran, despite its high potential in diversity and creating added value, has not been industrially produced to date, and the purpose of this research is to investigate the formulation of wheat flour halva and its production and ...

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 ...