Download the thesis about aromatic cyclic compounds✅ Word Document

Download more than 100 examples of thesis, proposal and project topics about aromatic cyclic compounds in editable WORD file format at undergraduate, graduate and doctoral levels for use and reference in research, articles, theses, student and academic projects.

Number of pages: 60 Category: Chemical - Petrochemical Engineering

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 ...

Number of pages: 74 Category: Paramedical

Persian summary: Coumarin derivatives are of great interest due to their biological importance and medicinal activities. A number of coumarin derivatives, especially biscoumarins, are known to be anti-inflammatory due to their numerous and prominent features such as anti-blood clots. In this regard, one-pot synthesis of biscoumarin derivatives using aromatic aldehydes, ...

Number of pages: 71 Category: Chemical - Petrochemical Engineering

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 ...

Number of pages: 91 Category: Chemical - Petrochemical Engineering

Dissertation for Master's Degree in Organic Chemistry Abstract: The new works carried out in this thesis include the condensation reaction of arylglyoxals prepared during the oxidation of acetophenones related to selenium dioxide with 1,2-diaminobenzene, 2,3-diaminomalonitrile, 2,3-diaminopyridine and 4-nitro-1,2-diaminobenzene in order to prepare quinoxalines and the ...

Number of pages: 109 Category: Chemical - Petrochemical Engineering

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 ...

Number of pages: 137 Category: Chemical - Petrochemical Engineering

Dissertation for obtaining a master's degree M. Sc)) Department of Chemistry - Green Synthesis of Organic Chemistry 2-phenylimidazoles boiled using ionic liquid. Imidazoles are an important group of heterocyclic compounds that have various biological and medicinal activities such as anti-hypertensive, anti-cancer, anti-HIV, anti-bacterial and pain reliever. In this thesis, new ...

Number of pages: 99 Category: Chemical - Petrochemical Engineering

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 furan. To prepare this polymer, methacrylic acid (functional monomer), ethylene glycol dimethacrylate (cross-linking agent), 2,2-azobisisobutyronitrile (initiator), a mixture of pyrrole (furan substitute or target ...

Number of pages: 67 Category: Chemical - Petrochemical Engineering

Dissertation for Master's Degree in Organic Chemistry Abstract Today, lung cancer is considered one of the most common diseases worldwide and has the highest mortality rate among all types of cancer. Therefore, early diagnosis of this disease is of special importance. Considering that the common methods for detecting lung cancer are expensive and time-consuming, offering cheaper ...

Number of pages: 93 Category: Chemical - Petrochemical Engineering

Dissertation for Master's degree (M.Sc.) Title abstract: One-step synthesis of new thiazole and bisthiazole derivatives with various connections. In this research, the synthesis of new thiazole derivatives and bisthiazoles with different connections was investigated by click chemistry and green chemistry methods. First, the synthesis of bisacetophenones (b3-a3) through

Number of pages: 127 Category: Chemical - Petrochemical Engineering

Dissertation for receiving the master's degree ""MSc"" specialization: applied chemistry Farsi abstract of the thesis or dissertation (including: summary of objectives, implementation methods and results obtained in maximum 10 lines): The possibility of manipulating matter at the nano level was first proposed in written form by Richard Feynman. During his conference called ...

Number of pages: 103 Category: Chemical - Petrochemical Engineering

Dissertation for Master's Degree in Organic Chemistry Abstract of the research done in this thesis consists of two parts, the first part includes the one-pot synthesis of new spiro compounds using 4,5,5-trimethyl 4,5-dihydropyrrolo{1,2,3-hi}indole 1,2-dione with aromatic amines and vectors. The second part includes the synthesis of new derivatives of spiro compounds using ...

Number of pages: 55 Category: Food and Packaging Industries

The thesis (or dissertation) for receiving a master's degree in the field of food industry, majoring in food chemistry. The abstract of this study is designed to compare the chemical composition and antioxidant effect of laboratory cinnamon essential oil [1] and two commercial essential oils [2]. In order to identify the chemical compounds of the essential oils, a mechanical ...

Number of pages: 54 Category: Food and Packaging Industries

Dissertation for receiving a master's degree in food technology, Persian abstract, background and purpose: Olive tree leaves have many compounds, including oleuropein, which are related to the majority of their medicinal properties. Olive leaf extract is also rich in phenolic compounds. In order to extract phenolic compounds, olive leaves must first be dried. Natural drying and ...

Number of pages: 65 Category: Industrial Engineering

Thesis for the M.Sc degree in wood and paper industry engineering, Mehr 2013 Abstract: In this research, the physical and mechanical properties of nanocomposites obtained from cellulose nanofibers and poly polymers

Number of pages: 98 Category: Chemical - Petrochemical Engineering

Master's thesis in chemical engineering field, vapor pressure is an important thermodynamic property in process equipment design and chemical engineering unit operation. Therefore, experimental vapor pressure data that cover the entire range of vapor pressure are very valuable, but due to the lack of accurate measurements for the vapor pressure of some materials near the triple ...

Number of pages: 113 Category: Biology - Environment

Dissertation for Master's Degree in Civil Engineering Majoring in Environmental Engineering Abstract In this research, the effect of biological reactions on the removal of organic substances in wastewater during transfer from production sources to the treatment plant in conventional networks and new small diameter networks was investigated. For this purpose, a part of these ...

Number of pages: 111 Category: Biology - Environment

Dissertation to receive the master's degree ""M.Sc. Orientation: ""Biochemical Engineering"" Abstract: The presence of sulfur compounds in gasoline creates a serious problem in air pollution, environment, corrosion of equipment and destruction of human health. The new environmental standards also impose strict limits on the amount of sulfur and aromatic compounds in gasoline. ...

Number of pages: 103 Category: Chemical - Petrochemical Engineering

Chemistry - trend of organic chemistry Abstract Coumarin or (2-H-chromen-2-one) and their derivatives are compounds that are naturally present in many plants, including tonka beans. And they are an important class of the family of benzopyrone compounds. Coumarin and its derivatives are considered essential elements in many bioactive compounds such as anticoagulant, anti-HIV, ...

Number of pages: 94 Category: Chemical - Petrochemical Engineering

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 ...

Number of pages: 66 Category: Chemical - Petrochemical Engineering

Master's degree thesis in the field: Chemical Engineering Abstract In this project, an attempt was made to take a small step towards the synthesis of silicoaluminophosphate molecular sieve in nano dimensions and its use in fuel cells with methanol fuel. Therefore, in this way, nano silicoaluminophosphate was produced under optimal hydrothermal conditions. Next, XRD, FT-IR, SEM ...

Number of pages: 73 Category: Chemical - Petrochemical Engineering

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 ...

Number of pages: 119 Category: Chemical - Petrochemical Engineering

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 ...

Number of pages: 90 Category: Medical Sciences

Dissertation for obtaining a doctorate degree in dentistry. Introduction Removing large amounts of dental tissue weakens the restored tooth. The type of restoration and composite method can be one of the influencing factors on tooth fracture resistance under occlusal forces. The purpose of this study was to investigate the effect of using new low-shrinkage composites on the ...

Number of pages: 89 Category: Medical Sciences

Dissertation for receiving the degree of Doctor of Dentistry, Dental Materials Research Center Abstract Objective: One of the objectives of this study was to investigate the fracture resistance of the teeth coated with various crown and root restorations. Materials and methods: 60 freshly extracted human premolar teeth were selected and randomly divided into five groups of ...

Number of pages: 56 Category: Chemical - Petrochemical Engineering

Doctoral Dissertation Proposal Abstract Gaseous pollutants, including volatile organic compounds and aromatic substances, are very harmful and dangerous for the environment and human health. There are many methods such as physical methods, chemical methods and biological methods to remove gaseous pollutants. In the meantime, biological methods are more widely used due to their ...

Number of pages: 103 Category: Chemical - Petrochemical Engineering

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 ...

Number of pages: 130 Category: Chemical - Petrochemical Engineering

A master's thesis in the field of chemical engineering, abstract of biodiesel production from microalgae by supercritical carbon dioxide extraction method. In this research, different stages of biodiesel production from Chlorella vulgaris microalgae, especially the stage of oil extraction from it, were experimentally studied. The method of microalgae cultivation was selected ...

Number of pages: 107 Category: Chemical - Petrochemical Engineering

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 ...

Number of pages: 101 Category: Chemical - Petrochemical Engineering

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, ...

Number of pages: 94 Category: Health - Health

Master's Thesis in Food Safety and Health Abstract: Background: Essential oils and extracts obtained from medicinal plants with antimicrobial, anticancer and antioxidant compounds are of particular importance as new and natural medicinal compounds, both in the field of health and treatment of diseases and protection of raw and processed foods. Objective: To determine the ...

Number of pages: 179 Category: Chemical - Petrochemical Engineering

Dissertation for master's degree in chemistry and technology of essential oil Persian summary Yarrow genus in Iran has 19 species of perennial and often aromatic herbaceous plants, six of which are exclusive to Iran. Achillea filipendula with the Persian name of Zagros yarrow is one of the native species of this genus in Iran. Different parts of yarrow species are widely used in ...

Number of pages: 85 Category: Chemical - Petrochemical Engineering

Dissertation for Master's Degree (M.Sc.) Field: Chemistry Major: Organic Abstract 1,3-Indandione and its derivatives are of great interest due to their importance in organic chemistry. Many products, which are a sub-branch of 3,1-indandione, show useful and diverse biological activities such as antibacterial properties, blood anticoagulant, mouse death, painkiller, pesticide and ...

Number of pages: 182 Category: Chemical - Petrochemical Engineering

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 ...

Number of pages: 86 Category: Chemical - Petrochemical Engineering

Dissertation for M.Sc Master's degree, specialization: process engineering, abstract of the proposed project, the feasibility of converting gas condensates into products with higher added value and consumable fuels such as gasoline. Considering the huge gas and oil reserves in Iran, this country is one of the major importers of gasoline. Therefore, it is very necessary to ...

Number of pages: 139 Category: Chemical - Petrochemical Engineering

Master's Thesis in Polymerization Engineering Abstract In this research, the thermal and catalytic pyrolysis of four types of polymers such as heavy polyethylene and polypropylene and two styrene butadiene rubber and polybutadiene rubber in a semi-continuous stirred reactor under nitrogen gas and using HZSM-5, FCC and H-Mordenite catalysts has been investigated. In this study, ...

Number of pages: 76 Category: Chemical - Petrochemical Engineering

Dissertation for receiving a master's degree in applied chemistry, Persian abstract. In this research, graphite particles were converted to graphene oxide by Hammer's method. Graphene nanoparticles are one of the best and most effective absorbent materials that have been produced so far. Graphene is one of the successful allotropes of carbon in the field of drug absorption and ...

Number of pages: 68 Category: Agricultural Engineering

Persian summary of the cheese plant with the scientific name of Malva Ngalkata is native to Central Asian countries. In Iran, paneerak grows in different regions, including Kurdistan, Azerbaijan, Alborz, Tehran and Khorasan provinces. In traditional medicine, cheese plant has many therapeutic benefits and uses, such as reducing muscle and nerve pains, healing wounds, relieving ...

Number of pages: 88 Category: Paramedical

Dissertation for Master's Degree in Medical Nanotechnology Abstract Choline is one of the constituents of phospholipids and plays an important role in fat metabolism. It is also necessary for the formation of acetylcholine, which is involved in the transmission of nerve impulses. Lack or increase of choline in the body causes complications and diseases in humans; Therefore, it ...

Number of pages: 97 Category: Chemical - Petrochemical Engineering

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, ...

Number of pages: 116 Category: Chemical - Petrochemical Engineering

Dissertation to receive M.Sc. Field of organic chemistry abstract green synthesis of 2-phenyl oxazoles boiled using ionic liquid Oxazoles are an important group of heterocyclic compounds. They are the structural subunits of various natural active products and are valuable synthetic and pharmaceutical precursors. Oxazoles have antibacterial, antifungal, anti-inflammatory and ...

Number of pages: 57 Category: Food and Packaging Industries

Abstract Garlic (Allium sativum L.) is one of the most important medicinal and industrial plants of the Alliaceae family. Garlic onion prevents the proliferation of cancer cells and has antiseptic, insecticidal, anti-fungal and bacterial power, reduces blood pressure and sugar, anti-diarrhea, strengthens the digestive system, and is also used as a flavoring agent in the ...

Number of pages: 103 Category: Chemical - Petrochemical Engineering

The thesis for obtaining a master's degree in the field of organic chemistry, abstract protection and deprotection of functional groups is one of the inevitable steps in the synthesis of multi-functional compounds. Selective protection of carbonyl groups is very important in modern organic chemistry. 1-Diacetates are one of the basic protective groups of the carbonyl functional ...

Number of pages: 74 Category: Food and Packaging Industries

Dissertation for M.Sc. in Food Engineering, Agricultural Orientation Abstract The focus of recent research has been photochemical substances derived from plants, which are due to their positive effects on human health. During processing in factories, food can be enriched with active compounds such as phenolic compounds that have benefits and physiological properties such as ...

Number of pages: 53 Category: Food and Packaging Industries

Master's thesis in the field of agricultural engineering - food science and food industry - food chemistry. Abstract of the research: In this research, strong electric fields with short square pulses and a time scale between microseconds and milliseconds were used to sanitize liquid foods, and food products were processed under environmental conditions or low temperatures and ...

Number of pages: 104 Category: Agricultural Engineering

Abstract of this research in order to investigate the effect of different treatments of organic and chemical fertilizers on the quantitative and qualitative characteristics of the summer savory medicinal plant and the amount of its essential oil in the form of a factorial experiment and in the form of a completely randomized block design with four replications and 7 treatments ...

Number of pages: 75 Category: Facilities - Mechanics

Dissertation for M.Sc) in the field of mechanics in the field of construction and production. Abstract In the present research, the design and construction of the ECAR machine in order to investigate the effects of the process on carbon steel sheets was our goal. The desired research was carried out in the research workshop of Islamic Azad University, Jaseb branch. After the ...

Number of pages: 70 Category: Food and Packaging Industries

Master's Thesis of Food Science and Industry Abstract The purpose of this research was to evaluate the effect of adding capcarrageenan and sodium alginate on the quality characteristics of soy burger during storage time of 60 days at -20°C. For this purpose, cooking characteristics, sensory characteristics, pH, tissue profile analysis were investigated every 30 days. The ...

Number of pages: 82 Category: Agricultural Engineering

Thesis for Master's Degree in Agricultural Engineering - Physiology and Breeding of Medicinal Plants Abstract: This research was carried out in order to extract, identify the constituent compounds and the antimicrobial properties of the essential oils of two varieties of Khuzestani Marza and Rashingari Marza. Extraction of essential oils was carried out by distillation with ...

Number of pages: 85 Category: Agricultural Engineering

Dissertation for master's degree in horticultural sciences, majoring in medicinal plants. Abstract Carum copticum L. is an annual plant belonging to the umbrella family that grows in Iran, India, Egypt and Europe. Among medicinal and aromatic plants, zenian is a plant on which little studies and researches have been done. The purpose of this research was to identify the best ...

Number of pages: 78 Category: Agricultural Engineering

Effects of hormones and explants on calligenesis, regeneration and cell suspension culture in fennel (Foeniuculum vulgare) Introduction: Fennel (Foeniuculum vulgare) is a herbaceous, stable, aromatic plant from the family of Chetrian, which is used for food and medicine in different regions of Iran. Considering the importance of the compounds of this plant in the pharmaceutical ...

Number of pages: 116 Category: Agricultural Engineering

Dissertation for receiving a master's degree (M.Sc.) specialization: agriculture, the effect of drought stress and nitrogen fertilizer on the yield and amount of essential oil of German chamomile. Abstract, the purpose of the implementation The experiment is to obtain the effect of drought stress and different levels of nitrogen on the yield and the amount of essential oil of ...

Number of pages: 51 Category: Agricultural Engineering

Dissertation for Master's Degree (M.Sc.) Field: Horticulture-Ornamental Plants Abstract chrysanthemum (Dendranthema grandiflorum L.) is one of the non-flowering flowers and sensitive to vascular blockage. This study is based on a completely randomized design with 10 treatments including geranium plant essential oil in 3 levels (2, 6 and 10 cc in 600 cc of distilled water), case ...

Number of pages: 91 Category: Agricultural Engineering

Dissertation to receive Master's degree (M.sc) in Horticultural Science Engineering, Physiology and Cultivation of Medicinal, Spices and Aromatic Plants. Its active medicinal compounds mainly include phenolic acids and alkamides. Different parts of the plant, including its roots and aerial parts, have many healing properties. The present research is to investigate the effect of ...

Number of pages: 54 Category: Food and Packaging Industries

Dissertation for Master's Degree (M.Sc.) in Agricultural Engineering, Food Science and Industry, Yogurt is the most famous and widely consumed fermented milk product in the world. The most common defect in texture that leads to the non-acceptance of this product by the consumer is water loss. Today, in Iran, condensed yogurt is mostly produced in the reverse way, that is, by ...

Number of pages: 235 Category: Civil Engineering

Doctoral dissertation in civil engineering – Earthquake Engineering 2013 Abstract The inappropriate performance of columns in concrete buildings designed and built in the past years causes concern and attention to the amount of A

Number of pages: 235 Category: Chemical - Petrochemical Engineering

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 ...

Number of pages: 85 Category: Biology - Environment

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 ...

Number of pages: 82 Category: Chemical - Petrochemical Engineering

Dissertation for obtaining a master's degree (M.Sc) in the field of organic chemistry. Dissertation abstract (including summary, objectives, implementation methods and results obtained): Investigating the effect of cationic polymer compounds in hair care products including shampoo and conditioner on the hair strand, especially its effect on the cuticle of the hair strand. The ...

Number of pages: 105 Category: Facilities - Mechanics

Master's Thesis in Mechanical Engineering - Applied Design Abstract of elastoplastic analysis of thick-walled tanks made of targeted materials with linear kinematic stiffness behavior under cyclic loading, stress analysis and deformation of spherical thick-walled tanks made of subject materials under internal pressure loading and temperature difference are discussed in this ...

Number of pages: 103 Category: Facilities - Mechanics

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 ...

Number of pages: 94 Category: Animal Husbandry - Poultry Farming

Dissertation for Master's Degree in Animal Science Abstract: In order to determine the chemical composition and physical properties of the second layer of alfalfa fodder in West Azarbaijan province, 72 samples were collected based on randomly classified sampling according to the amount of precipitation in 3 climates (treatments) including: 1) the northern basin of Urmia Lake ...

Number of pages: 133 Category: Civil Engineering

Dissertation for receiving a master's degree in the field of structural oriented civil engineering, 2013, although the construction and design methods of structures have expanded over the years, but still the effect of earthquakes is one of the most important.

Number of pages: 96 Category: Art - Graphics

Thesis for receiving the master's degree of Handicrafts Department, Mehr 2013 Abstract: A myth is the narrator of an event that humanity tries to fix alienation from the natural phenomena around it by clinging to it. A

Number of pages: 171 Category: Architectural Engineering

Academic Thesis for Master's Degree in Interior Architecture in the month and year of Bahman 139 Abstract Home is the first and most important space where a person experiences the feeling of belonging to a place. House of Maman T

Number of pages: 138 Category: Psychology

Dissertation for M.A. Master's Degree Field: Psychology Orientation: Clinical Abstract A common problem in substance abuse disorders is drug relapse even among treated individuals, which is more applicable to the narcotic drug glass. On the other hand, mindfulness is a cognitive structure that can be monitored and intervened in psychology. The main goal of this research is to ...

Number of pages: 58 Category: Geography - Urban Planning

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 ...

Number of pages: 58 Category: Geography - Urban Planning

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 ...

Number of pages: 106 Category: Physical Education - Sports

Dissertation for Master's Degree in Physical Education, Sports Physiology, Introduction Today, there is fierce competition between athletes in different countries to win championship titles in the Olympic, World and Continental Games, and the effort to improve the performance of athletes has made sports scientists to work more in this field and has increased research in sports ...

Number of pages: 92 Category: Chemical - Petrochemical Engineering

Master's thesis in the field of chemical engineering Kidney stones are one of the most common diseases in the world, most of its crystals consist of calcium oxalate crystals. Therefore, it has been a long time that the investigation of effective substances in controlling this disease through the control of calcium oxalate crystals has been considered. The purpose of this ...

Number of pages: 125 Category: Electronic Engineering

Dissertation for receiving a master's degree, field of study: electricity-power, orientation: electric machines in a synchronous generator, a dc current is applied to the rotor coil to produce a magnetic field. Then the rotor of the generator is rotated by a prime mover to create a rotating magnetic field in the machine. This magnetic field induces a three-phase voltage in the ...

Number of pages: 100 Category: Electronic Engineering

Abstract The main task of the synchronous generator excitation system is to provide the necessary voltage for the generator excitation winding. The excitation voltage is a dc voltage and it is used to create a flux in the excitation winding of the generator and consequently to produce a magnetic field to produce electrical energy by a synchronous generator. In the provided ...

Number of pages: 127 Category: Biology - Environment

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 ...

Number of pages: 187 Category: Civil Engineering

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

Number of pages: 158 Category: Civil Engineering

Dissertation for Master's Degree Abstract: Dealing with external forces such as earthquakes is one of the most important missions of civil engineers. In order to achieve this goal, the light metal frame system, which has advantages such as the possibility of industrial production, prefabrication and lightness, can be considered as a suitable alternative to traditional systems. ...

Number of pages: 109 Category: Civil Engineering

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 ...

Number of pages: 107 Category: Civil Engineering

Dissertation for Master's Degree in Civil Engineering, Structures, Abstract: This thesis is the results of a numerical and parametric study on the effect of reinforcing reinforced concrete shear wall with FRP composite and applying the results of the finite element method. The finite element program is compared and calibrated against experimental data. Then, the numerical ...

Number of pages: 144 Category: Civil Engineering

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

Number of pages: 86 Category: Civil Engineering

Master's Thesis in Civil Engineering-Earthquake Abstract Using braces as a lateral resistance system in steel structures is one of the most common methods to withstand the forces caused by earthquakes. One of the weak points of this system is the compression resistance of the bracing member and its buckling as a result of reducing the member's load. Today, this problem has been ...

Number of pages: 147 Category: Civil Engineering

Dissertation of Master's Degree in Civil Engineering - Structure Abstract In metal structures, one of the most important places of stress concentration is the joint. In form cutting, the shear force at the connection point is so high that a part of the beam or its reinforcement is broken and separated in pieces, and this is due to negligence in the design of the connection or ...

Number of pages: 117 Category: Civil Engineering

Dissertation for Master's degree (M.S) Chapter 1 History of dynamic analysis of liquid storage tanks and regulatory orders in this regard Abstract The main goal of this research is to investigate the effect of the presence of seismic isolators on the dynamic performance of liquid storage tanks during an earthquake. In this regard, it is necessary to first know the dynamic ...