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Master's thesis in the field of civil engineering, soil and foundation, today, due to the progress of the tunneling industry, the need to analyze and design underground structures in rocky environments is felt more than in the past. Although there are many numerical and practical software available in this field, none of them are complete and perfect in all fields, and each of ...
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 ...
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 ...
Dissertation for M.Sc degree, specialization: manufacturing and production, abstract in this thesis, how to improve the properties of plastics with the help of heat treatment. First, we will talk briefly about polymers, plastics and their sub-branches and heat treatment on them, and then we will discuss the effect of annealing heat treatment on heavy polyethylene sheets that are ...
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.
Expert thesis Master of Civil Engineering, Structural Orientation, September 2013 Abstract Today, with the progress of science in the construction industry, many methods have been presented to improve reinforced concrete structures
Master's Thesis in Civil Engineering - Earthquake Engineering 1391 Abstract Structures with frames with coaxial braces are among earthquake resistant systems. These structures are widely
Dissertation for Master's Degree in Civil Engineering – Shahrivar Marine Structures, September 1992 Abstract: Pipe-in-pipe systems are widely used in transmission line applications.
Dissertation for obtaining a master's degree in civil engineering – Spring 2014 structure trend, first chapter, general research 1-1- Introduction: Mostly structures for severe earthquakes and surface acceptance
Dissertation of master's degree in civil-structural engineering Abstract: Divergent bracing frames are considered earthquake-resistant systems for steel structures. These braces are from my difficulty
Master's Thesis in Civil Engineering - Earthquake Engineering March 2012 Abstract Reinforced soil is a special material that is created from the combination of soil and reinforcing member. Arming components resistant to N
Thesis for receiving a master's degree in the field of civil engineering with structural orientation in February. 2013 Abstract: In recent years, significant progress has been made in the field of improvement and resistance
Dissertation of Master's Degree in Civil Engineering – Earthquake Engineering 2013 Abstract: Concrete beam and slab bridges with neoprene supports are among the most common highway bridges in the country.
Master's Thesis in Civil Engineering - Structural Orientation, February 2013 Abstract: The performance of a building during an earthquake depends on many factors, as a result, predicting the seismic performance of structures should be considered either explicitly or implicitly as part of the design or evaluation. Predicting the seismic response of the structure is very ...
Dissertation for Master's Degree in Polymer Industry Engineering April 2013 Abstract Nowadays, the topic of energy and energy saving in all fields, even in homes, is one of the most important.
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
Dissertation of master's degree in structural engineering February 2019 Chapter 1: Introduction 1-1. General, one of the most important natural events that always affects the lives of human beings
Master's Thesis in Psychology (M.A.) Orientation: Clinical Abstract The main goal of people with rhinoplasty is to achieve an imaginary shape of the nose that they think is more in harmony with their face in order to achieve a more favorable image of their body. Research has shown that there is a relationship between metacognitive components and cosmetic surgery. The present ...
Dissertation to receive a master's degree in educational technology (M.A) Abstract This research was conducted with the aim of investigating the effect of TEAL on learning and memorization of high school chemistry course. The research method was based on quasi-experimental nature with a pre-test-post-test design and a control group. The statistical population in this research is ...
In the current situation known as late modernity, where the lines and borders of social distinctions are formed based on lifestyles and cultural consumption, the dimensions, levels, qualities and methods of body management [1] have become very complex and important. In general, in this era when the world has become a multicultural phenomenon [2], advanced technology has pushed ...
Thesis for obtaining a master's degree, field: psychology, orientation: clinical, abstract: the present study was conducted with the aim of comparing social anxiety, body image, and hope for life in men and women applying for cosmetic surgery with normal people. Research method: This research is a causal-comparative study. In this research, 100 people applying for cosmetic ...
Master's Thesis of Physical Education and Sports Sciences, Sports Physiology, Abstract Doxorubicin (DOX) is an antibiotic with a wide range of anti-tumor and anti-cancer (anti-neoplastic) functions and has been widely used in the treatment of various cancers since the late 60s. Unfortunately, the clinical use of this highly effective anticancer drug has been limited, and this is ...
Thesis for obtaining a master's degree in the field: business management, specialization: transformation management. Abstract One of the most valuable assets of any company is the brand equity. Companies that have a high position in the minds of consumers in terms of special brand value can easily be considered more profitable among other companies in their respective ...
Master's thesis in the field of computer engineering (artificial intelligence) abstract of various image processing techniques are widely used in the field of dentistry. Among these applications, we can mention the identification based on dental images, the detection of dental caries, as well as the identification and examination of dental lesions, which mainly occur around the ...
Dissertation for master's degree in the field of visual communication. The abstract of this research, which was carried out in a descriptive and analytical method and collected information in a library and field method, with the aim of investigating the design of cellulose packaging in Japan, has been carried out during the last three decades. The first packaging in the world ...
In order to obtain a master's degree in the field of civil engineering - soil and foundation orientation, Abstract Nowadays, circular foundations are more or less used for structures, especially structures that have axial symmetry. In this research, a numerical study was conducted on bearing capacity and settlement of annular foundation. PLAXIS software was used for modeling. ...
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 ...
Master's Thesis in Civil-Structural Engineering Abstract In order to estimate the capacity of buildings, it will be much easier and less expensive to use static methods instead of incremental dynamic methods. Although the incremental dynamic method gives more accurate and closer answers to the real behavior of the structure, its high cost and time has increased the desire to use ...
Master's thesis in the field of civil engineering, structure orientation. Abstract: In this study, the effect of some effective parameters on the strength of polymer concrete based on epoxy resin, including hardener, filler, and solvent, has been investigated. Rice husk ash and broom stalk ash were used as fillers and acetone-toluene mixture with a ratio of 50-50% was used as a ...
Dissertation for master's degree in the field of civil engineering, road and transportation, the abstract of asphalt failures is one of the problems that are the concern of road and transportation engineers today, and every year huge costs are spent on the maintenance and repair of asphalt roads. Many efforts have been made to increase the strength and life of asphalt, among ...
Dissertation to receive M.Sc degree in civil engineering, structural orientation. Abstract: One of the ways to strengthen the building against lateral loads is the use of a wind system (convergent or divergent). The increasing use of steel braces to deal with earthquake forces requires that the seismic performance of these types of systems be given more attention. The common ...
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 ...
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
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 ...
Dissertation for master's degree in civil engineering, structural orientation. Abstract: Today, in earthquake-prone countries, it is recommended to use a variety of energy-depleting tools in order to dissipate the energy of earthquakes on the structure. One of these tools is rotational friction dampers. Because the current regulations do not provide a value for the coefficient ...
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 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 ...
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 ...
Industrial Management Doctoral Dissertation, Production and Operations, Abstract: The global automobile industry has grown a lot in recent decades compared to other industries. Every day, the intensity of competition in this industry increases to gain global market share. Iran's automobile industry has also taken effective steps to gain global market share through exports. In ...
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 ...
Dissertation for receiving M.SC Master's degree Major: Water Engineering Abstract: Dams are the largest man-made structures. Their design often stems from their unique nature and the consequence of failure, which is certainly greater than the collapse of other types of structures. The stability of dam body and foundation structures can be analyzed and checked in various ways. ...
Dissertation for receiving a master's degree in the field of civil engineering in the field of earthquakes. Abstract: The introduction of damage generators is very close to the concept of inelastic behavior and, as a result, hysteresis energy. Therefore, it can be said that the hysteresis energy at these levels can be a significant criterion for the design or control of the ...
Master's thesis in the field of civil engineering, structure, first chapter: introduction 1-1. General One of the most important natural events that has always changed people's lives and sometimes destroyed human civilizations by destroying buildings is earthquake. Therefore, humans have always tried to identify and deal with the dangers caused by earthquakes and still have not ...
Dissertation for Master's Degree in Civil Engineering - Structural Orientation Abstract: The most basic goal in the seismic design of structures is to prevent the structure from collapsing during severe earthquakes, which is the basis of the governing theory of seismic behavior, the result of investigating the nonlinear behavior of the structure during an earthquake and the ...
Dissertation for Master's Degree in Chemistry (Applied Chemistry - Polymer) Abstract: Ethylene polymerization was successfully performed in the presence of Phillips catalyst and in the slurry phase. In the continuation of the work, the effect of some effective parameters in polymerization, including the effect of trialkylaluminum, the effect of 1-hexane comonomer, the effect of ...
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 chemical engineering (simulation and process control) abstract design of the control system for the fluidized bed reactor for the production of linear light polyethylene of the LLDPE unit of Jam Petrochemical under the license of Basel and Spherilene technology with an annual production capacity of 300,000 tons of product is one of the largest ...
Dissertation of the master's degree in the field: civil engineering - structure, page 1-1-problem definition: In the science of structural engineering, there has always been an attempt to predict a set of events that will have a significant effect on the efficiency and endurance of the structure during its useful life. These factors should be considered by the design engineer ...
Introduction In today's era, the presence of waste materials resulting from various physical and chemical processes is one of the important problems of industrialized and developing countries. So that extensive research is being carried out for methods of recycling or disposing of them to minimize the damage to the environment. In this regard, construction researchers, like ...
Civil engineering, soil and foundation, abstract, considering that all engineering infrastructures and vital urban and non-urban places and arteries such as: foundations of buildings, bridges, silos, dams, retaining walls, marine structures, industrial facilities, etc. . . All spread on a platform called the earth. The importance of investigating the type of instability in ...
Dissertation for receiving a master's degree in business management. Research abstract: This research was conducted with the main purpose of evaluating the effectiveness of the working teams of Raizco Holding Group. Raizco Group is the largest plastic component manufacturer and one of the few top industrial component manufacturers in Iran due to its size and high level of ...
A master's thesis in the field of civil engineering - hydraulic structures Abstract Liquid storage air tanks are used not only to store water, but also to store chemicals and toxic substances in different forms. Considering the use of these structures in civil and urban development and industrial networks, their importance is determined before and after the earthquake. The ...
Doctoral Dissertation in Chemical Engineering-Biotechnology Abstract The purpose of this study was to produce polyhydroxyalkanoate biopolymer using glucose, fructose, molasses and whey carbon sources by microorganisms Azohydromonas lata DSMZ 1123, Azotobacterbeijerinckii DSMZ 1041, Cupriavidus necator DSMZ 545, Hydrogenophaga pseudoflava DSMZ 1034. In the first stage, to screen ...
Dissertation to receive a master's degree in neonatal special care Abstract Title: Investigating the relationship between the knowledge and performance of nurses working in neonatal wards in the field of venipuncture in hospitals affiliated to Tabriz University of Medical Sciences in 2013 Introduction: Venipuncture is the most important therapeutic procedure among hospitalized ...
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 to receive a specialized doctorate degree in the field of oral diseases Abstract: Mucositis or inflammation of the mucous membrane is one of the early side effects of radiation therapy, which can cause ulcers in the oral mucosa and sometimes the inability to eat despite common treatments. Therefore, the use of compounds with a pleasant and acceptable smell and ...
Master's Thesis in Chemical Engineering Abstract of Electrochemical Analysis of Formaldehyde Formaldehyde is one of the organic chemicals that is widely used as a raw material in many industries. Industrial effluents that contain high concentrations of formaldehyde must be treated before entering the environment due to its possible carcinogenic and mutagenic risks. The purpose ...
Dissertation to receive master's degree in organic chemistry Keywords: Farsi: Besparash, condensation, composite, nanocomposite, anchoring Nitrogen in bonding with metals can destroy them
Chapter 1 1-1 The field of research: Consciousness is awareness of oneself and the environment and response to external stimuli and internal needs. Consciousness is also a dynamic and variable state and has levels that are not really separate from each other and is in the form of a spectrum where full consciousness is at one end and coma is at the other end (1); Coma is a state ...
Abstract: Introduction and purpose: One of the most important adult stem cells that has attracted the attention of most researchers is mesenchymal stem cells. Mesenchymal stem cells derived from bone marrow have the ability to transform into different types of cells, including fat cells, bone and cartilage, in addition, these cells can be differentiated into neuronal cells. Most ...
Master's thesis in 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 ...
Dissertation for Master's Degree in Health Sciences in Nutrition Abstract Background: Depression is one of the most common mental disorders. So far, few studies have examined the relationship between dietary patterns and depression in developing countries. Purpose: The purpose of this study was to investigate the prevalence of depression and its relationship with dietary ...
Master's degree thesis, field: Chemical Engineering Abstract: In this research, the absorption of methyl orange dye, which is one of the most widely used dyes in the textile industry, by polypyrrole adsorbent based on polyvinyl alcohol has been investigated. The tests were performed in a discontinuous system using a colored solution with a concentration of 40 ppm. After ...
Master's Thesis on Simulation and Process Design Abstract So far, many methods have been presented to remove phenol from wastewater, among them, the membrane bioreactor process has received attention in the last decade. The use of hollow fiber membrane contactor in this process is to avoid direct contact between two phases and increase the surface-to-volume ratio. In the current ...
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 ...
(M.SC) Dissertation to receive a master's degree, specialization: organic, abstract of the thesis (including summary, objectives, implementation methods and obtained results): Computational chemistry using computer software is a powerful tool in the design of molecules with special properties. Computational chemistry is a general and general term that includes a wide range of ...
Dissertation for Master's Degree in Chemistry, Chemistry, Abstract: Epoxy resins, which are thermosetting polymers, have properties such as high thermal stability, good adhesion, high chemical resistance, easy molding, and moisture resistance. These resins are used as adhesives, coatings, paints and polymer tools. The most common epoxy resin is prepared from the reaction of ...
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, ...
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 ...
Master's Thesis in Food Industry (M.Sc) Abstract Walnut kernel is an edible substance that has a lot of fat, protein, sugar and starch, but due to various reasons, it undergoes physical and chemical changes very quickly and loses its quality. The purpose of this study was the effect of packaging and storage conditions on the quality and shelf life of walnuts. In the research ...
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 ...
Dissertation for Master's Degree (M.Sc.) Field: Horticultural Sciences, Major: Ornamental Plants Abstract In order to investigate the effect of plant growth regulators and variety on the rooting of gardenia cuttings, a study in the form of a factorial experiment based on a completely randomized design with three plant growth regulating factors including: IBA at 4 levels (0, ...
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 ...
- Introduction Colorectal cancer is the second leading cause of cancer death after lung cancer in the United States. In 2007, 52,180 new cases of colon cancer and death due to colorectal cancer occurred. Colorectal cancer is the most common gastrointestinal cancer in the United States; The incidence of colorectal cancer in this country has remained unchanged for the past 30 ...
Mechanical Engineering Master's Thesis - Applied Design Abstract Today, in various industries such as aerospace, atomic energy, chemical industries, refineries, petrochemical industries, etc., there is a need to use high-pressure mechanisms to enable the completion of relevant processes. The increase in pressure is done inside the cylindrical chambers and as a result, such an ...
Dissertation for Master's Degree in Food Science and Engineering. Abstract Every year, millions of tons of plastic waste, including bags, plastic envelopes, and packaging materials, enter the environment and cause problems to the environmental cycle due to their irreversibility, and as a result, the need for degradable plastics in nature is increasing day by day. Today, the ...
An academic thesis for obtaining a master's degree in the field of agricultural engineering, agriculture, abstract, in order to determine the appropriate planting date and investigate the effect of mulch application on the growth and yield of experimental beans in the form of a randomized complete block design with three replications in the crop year of 2013, was carried out in ...
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 ...
The thesis for obtaining a master's degree in the field of mechanical engineering, applied design, is an abstract of the experience of losing a limb. The full understanding of this feeling will be possible only when a person loses a limb. Obesity and longer life expectancy have increased the number of knee replacement implants [1]. Due to the increase in life expectancy as well ...