Download more than 100 examples of thesis, proposal and project topics about cleaning of metals 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'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 ...
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 (M.A.) Major: Management Information Systems Abstract Most experts believe that the success or failure of governments depends on how public affairs are implemented. The health of the administrative system is one of the most important topics in the science of public administration. Therefore, all governments try to have a completely transparent ...
Medical Biotechnology Master's Thesis Background Abstract: Fibroblast growth factors (FGF) and their receptors (FGFR) play an essential role in the cell. Dysregulation of FGF/FGFR signaling pathways is associated with many abnormalities and cancer development. From this group, type 2 fibroblast growth factor receptor plays an essential role in cell signaling and regulation of ...
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 ...
Dissertation for Master's Degree in Health Sciences in Nutrition Persian Abstract Background: Probiotics are useful bacteria that prevent the growth of microbes and the connection between them and the surface of the intestinal mucosa, and therefore play a useful role in the balance of the intestinal flora. In several animal studies, the effect of probiotics on blood sugar ...
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 ...
Dissertation for Master's Degree in Agricultural Engineering - Food Science and Technology - Food Technology Abstract Vegetable oil is considered a strategic product in our country. The amount of import of this product in the country is important, and for this reason, the effort to produce crude oil extracted from oilseeds in the country, at the level of competition with its ...
Dissertation for receiving a master's degree, specialization: accounting, abstract: most people do not know properly about investment methods, they invest their financial resources and savings in different markets in order to get more profit and maximize their wealth. Some people are looking for less profit and without risk. For this reason, they invest the financial resources ...
To get a master's degree in mechanical engineering Abstract: Today, the use of aluminum and magnesium alloys in the automotive and aerospace industries is increasing due to the high strength of these alloys and their light weight. Since the forming ability of these alloys is low at ambient temperature, forming these alloys at high temperatures improves their formability. ...
Master's Thesis on Energy Conversion Abstract: Increasing heat transfer as well as increasing energy efficiency due to the limitation of natural resources and reducing costs has always been one of the most basic concerns of engineers and researchers. This is especially important in fluids due to the small thermal conductivity coefficient. One of the most important ways to ...
Master's thesis in the field of mechanical engineering (applied design trend) Abstract of the study of the deterioration of non-isotropic TWB sheets under the hydroforming process. During the research, four different metals of aluminum alloys 6111-T4, 5083-H18, 5083-O and dual-phase steel DP590 and two spherical tensile tests and simple uniaxial tensile tests were used. Then we ...
Dissertation for receiving master's degree in mechanical engineering, the trend of manufacturing and production of complex industrial products from metal pipes with the aim of increasing the strength-to-weight ratio of structures and especially reducing the fuel consumption of vehicles has attracted the attention of industrialists in recent years. In this regard, one of the new ...
Field: executive management, abstract, introduction and purpose of research: Outsourcing means finding new service providers and new methods to provide materials, goods, components and services to them with confidence.
Master's thesis of Ardakan Shahrivar Faculty of Art and Architecture 2013 During the Safavid era, Shah Ismail declared the Shia religion as the official religion of the Safavid dynasty. Continuity and long life of this dynasty and strength
Dissertation for Master's Degree Orientation: Architecture, summer 2013, industrial life has created fewer places for people to rest and relax. for
Thesis for obtaining a master's degree in industrial engineering, Fall 2012 Abstract During the past years, many efforts have been made to reduce the cost of transportation by using different models.
Master's thesis in the field of economic sciences for the academic year 2013-1394 The first chapter Generalities of the research Introduction Today in many countries, especially in the developing countries, besides the economy
Dissertation of master's degree in system engineering, economic-social program orientation. Rezi system economic February 2013 Abstract: Considering the importance of financial markets and
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 ? ...
Master's thesis in information technology management, comprehensive quality trend, first chapter, introduction, the emergence of the global village, which has been in existence for several decades, has brought about tremendous changes in matters related to the management and organization of organizations, which unfortunately, not only did our country not contribute to its ...
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 ...
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 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. ...
Dissertation for M.A. Orientation: Natural Geography (Geomorphology-Hydrology) Abstract The increasing population growth followed by the development of industrial activities on the one hand and non-compliance with environmental requirements on the other hand, has caused huge amounts of pollutants to enter the environment in the last few decades. Accumulation of some dangerous ...
Dissertation for the master's degree in business management (international marketing orientation), the abstract of the social responsibility of the organization deals with the relationship between the organization and the society, and specifically, this concept examines the effects of the activities of the companies on the people of the society. The purpose of the current ...
Dissertation for Master's Degree (M.A.) Major: Finance. Dissertation abstract (including summary, objectives, implementation methods, and results obtained): The purpose of this research is to build appropriate portfolios by considering investors' risk tolerance and their preferences in a flexible, practical, and realistic manner. For this purpose, a rule-based fuzzy expert ...
Master's thesis in the field of handicrafts, research orientation. Abstract: The bull symbol, like other ancient symbols in the ancient handicrafts of Iran, has an eternal meaning. In this first research, all the myths related to the bull in ancient texts have been examined. Then, using common methods in depth psychology for mythological and symbology studies, the ancient myths ...
Dissertation for master's degree in geography and urban planning. Abstract: The sustainability of sustainable transportation systems is not only limited to their creation. The spaces resulting from these systems are also important due to the evaluation of the efficiency of the above systems that provide the possibility of presence, movement and access in them. For this purpose, ...
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-Control Engineering Abstract In this article, diagnosis, reconstruction and fault prediction of nonlinear systems with uncertainty are investigated. The diagnostic criterion is the residual signal calculated from the difference between the system output and a sliding mode viewer. The idea of ??sliding mode is to compensate the effect of ...
Academic Dissertation for Master's Degree in Visualization Foreword I have been a native of the marginal area of ??Halil Road for several years. I remember that on every hill or height we saw a pit dug and a large number of broken bones and pottery, which sometimes had patterns on them, and it was also heard many times that a person or people dug a place and pulled out objects ...
Dissertation for obtaining a master's degree in the field of electrical engineering - power orientation. Abstract In this thesis, a new method for planning the maintenance and repair of production units in restructured environments is presented. In the traditional environment with a vertical structure, the system operator determines the maintenance schedule to maintain ...
Dissertation to receive a master's degree > Dissertation: Fault tolerance software is one of the prominent and important features of today's information systems. Among the various methods of improving fault tolerance, the software method is more complicated than other methods. Here, considering that our target system is business intelligence systems, which play a significant ...
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 Business Administration (M.A) Major: Finance Abstract Companies use various financial sources in order to implement profitable projects and achieve maximum efficiency in order to increase the interests of their shareholders. In general, the main goal of companies and for-profit institutions is to earn more profit and then increase the wealth ...
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
A master's thesis in the field of electrical engineering - field telecommunications, abstract, investigation and analysis of leaf reflective structures in the field of plasmonics for the application of passive components in the design of optical integrated circuits, limits the diffraction limit of the miniaturization of optical elements. Surface plasmon polaritons that propagate ...
In order to receive a master's degree in textile technology, it is essential to know the physical and mechanical properties of carpets to produce a quality product and maintain the proper appearance. In this research, an attempt has been made to provide a model to determine the relationship between the different parameters of these characteristics, therefore, to measure these ...
Dissertation for Master's Degree (M.A.) Major: ""Production"" Abstract: The implementation method in this research, which is applied in terms of purpose and descriptive-analytical in nature, the research hypotheses were expressed in two formats, descriptive statistics and regression model, and spss was used for calculations. The main goal of this research is to investigate the ...
Dissertation for master's degree in civil engineering, structural orientation. Abstract Good bond strength between the old and new concrete surface is a key factor in the performance of concrete repairs. The purpose of this thesis is to investigate and evaluate the bond strength between the surface of the old concrete and the added concrete. In this thesis, a laboratory research ...
Master's Thesis in Computer Engineering - Software Orientation Abstract Clustering can be considered one of the most important steps in data analysis. Many clustering methods have been developed and presented so far. One of these methods that has been studied in recent studies is consensus clustering method. The goal of consensus clustering is to combine several initial ...
Master's Thesis of Civil-Environmental Engineering Abstract Garbage is one of the environmental pollutants that cause many problems such as the spread of pollution in water, air and soil and transmission to humans and animals directly or indirectly. Today, with the ever-increasing expansion of urban and industrial societies, we are witnessing the widening of the amount of these ...
Dissertation for receiving a Master's degree (M.Sc.) specialization: Environment Abstract Gaseous liquids obtained from the refining of sour gases are also sour and contain a large percentage of hydrogen sulfide and mercaptans. Therefore, after distilling and preparing the products, it needs refining processes to remove or reduce the amount of sulfur and mercaptans present. ...
Tendency of soil mechanics and foundations. Abstract: Investigating the behavior of soils due to different loadings is one of the most important issues in geotechnical engineering. The behavior of soils depends on several parameters such as grain size, grain type, loading method, stress history, etc. Non-alignment of main stress and main strain directions is a phenomenon that ...
Master's thesis in the field of inorganic chemistry Abstract In this thesis, we investigate the anticancer diamine ruthenium complexes by computational chemistry, which examines the following: energy analysis, which examines the absolute energy value, dipole moment, isotropic and anisotropic polarizability of the complex. 2- The analysis of the frontal orbitals, the energy of ...
Dissertation for receiving the degree of Doctor of Dentistry Abstract Introduction Considering the importance of milk teeth in creating an ideal occlusion, it is essential to preserve and maintain them due to caries. One of the methods of restoring milk teeth is the use of stainless steel veneers. Maintaining the health of the tissue that supports the teeth is one of the ...
Thesis for obtaining a master's degree. Abstract: The increase in environmental concerns and the progress of green chemistry processes have necessitated the replacement of homogeneous catalysts with heterogeneous ones. In this research, activated carbon was used as a suitable substrate due to its special properties. The most important of these properties are resistance in acidic ...
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. ...
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. ...
Master's Thesis of Chemical Engineering Abstract In the last few decades, due to the growth of the population as well as the improvement of living standards, the consumption of fibers and the production of textile waste materials have increased greatly. Burial and burning are one of the main ways of managing textile waste materials, which have destructive environmental effects. ...
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 ...
Master's thesis in the field of mining chemistry Abstract: In this study, the effect of amide substitution on the surface of graphene oxide was studied. Two amines were chosen to change the contact surface and absorption rate. of a linear diamine such as ethylenediamine[1] and cyclic amine 6-aminouracil[2] with two different characteristics were evaluated. After the synthesis ...
Dissertation for obtaining a master's degree in the field of chemical nanoengineering Abstract In the uranium enrichment unit by centrifuge, UF6 gas after passing through the centrifuge and performing the enrichment process, enters the cold trap and is solidified and collected at a low temperature. One of the absorbents used to absorb uranium hexafluoride is sodium fluoride. The ...
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, ...
Faculty of Administrative Sciences and Techniques and Master's Dissertation Support in Management and Human Resources Abstract Social capital is the potential and actual aggregate that is the result of owning a durable network of institutionalized relationships between individuals and membership in a group to access the resources of that group. Today, the concept of social ...
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 receiving the degree of Doctor of Dentistry Abstract The long-term clinical success of implants is dependent on osseointegration and adhesion of soft tissues and epithelium to implant surfaces. Various indices including: plaque index, gingival index, bleeding during probing and bone resorption are used to evaluate the health of the soft tissues around the ...
Master's thesis in the field of polymerization engineering, abstract was determined by using experimental design methods to determine the optimal feed recipe for the preparation of nitrile rubber. Initially, to determine the factors affecting the rate of polymerization, screening tests were designed according to the Plate-Boorman method, which examines a large number of factors ...
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 in the field of Chemical Engineering (no orientation) Abstract of the laboratory study of the wear phenomenon of liquid containing sand in pipelines. The studied fluid consists of two phases, liquid and solid. The liquid phase is water, and sand particles form the solid phase. In this research, the parameters affecting the wear rate, including: fluid speed, sand ...
Master's Thesis of Chemical Engineering-Biotechnology Abstract Lipase is a carboxylic ester hydrolase enzyme that acts on triacylglycerol to release fatty acids, glycerides and glycerol. The discovery of the ability of lipase to catalyze the esterification reaction started a broad chapter in the field of this enzyme's functions. In this study, with the knowledge of the ability ...
Dissertation for Master's Degree in Intensive Care Nursing Introduction: Insertion of venous catheter is the most common invasive procedure performed for hospitalized patients. In many cases, this simple procedure can save the patient's life. On the other hand, this action becomes a difficult and time-consuming technique in some groups and patients. Various auxiliary measures ...
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 for Master's Degree in Chemical Engineering Abstract According to reports, heterogeneous photocatalysts are suitable for photodegradation of polluting compounds. Many semiconducting metal oxides such as: TiO2, SnO2, ZnO2, etc. can be used as photocatalysts in water splitting reactions, synthesis of organic compounds and removal of wastewater pollution. synthesized ...
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 ...
Master's Thesis in Animal Science, Livestock and Poultry Nutrition Abstract This experiment was designed and implemented with the aim of investigating the effects of garlic or fresh onion supplementation on performance, immune system and blood lipid profile in broilers. For this purpose, 308 out of 432 day-old male chicks were divided into nine groups with four replicates and 12 ...
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 ...
Thesis for obtaining a master's degree in the field: Chemistry, specialization: Analytical Chemistry, Abstract In recent years, the use of nanotubes as nanocarriers for drug delivery has been researched. In this research, carbon nanotubes CNT(5-5), CNT(0-6), BNNT(0-6) and BNNT(5-5) doped with Ga have been used. First, the nanotubes were drawn using Gauss View and Nanotube ...
Master's Thesis in Agricultural Engineering, Food Industry, Abstract: The effect of the water extract of the monkey flower plant on the storage time and quality of frozen rainbow salmon. Recently, due to the avoidance of using chemical preservatives in the food industry, the attention of researchers has been drawn to the use of natural compounds in order to increase the shelf ...
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 ...
Field of study: Mechanics, orientation: energy conversion. The present research was conducted in order to investigate the movement of pig in pipelines. Due to the importance of pipelines in providing energy resources in the world, after installation and operation, the maintenance of these lines is of high importance, which has caused special attention to be paid to the design of ...