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Number of pages: 104 Category: Medical Sciences

Dissertation to receive the degree of Doctor of Dentistry Abstract Introduction: One of the best methods for reconstructing bone defects in the mouth and teeth of patients is the use of autogenous grafting, which is still considered as the gold standard for augmentation of bone deficient areas. There are numerous intraoral areas for the removal of this bone graft, the maxillary ...

Number of pages: 104 Category: Computer Engineering

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 ...

Number of pages: 78 Category: Medical Sciences

Abstract: Introduction: One of the main goals of treating periodontal diseases is to preserve the alveolar bone in order to continue the survival of the tooth. There is a suspicion that if the activity of osteoblast cells is stimulated and the osteoclastic activity of bone cells is prevented during the treatment process, the bone structure can be rebuilt. The positive effect of ...

Number of pages: 62 Category: Medical Sciences

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 ...

Number of pages: 46 Category: Agricultural Engineering

Abstract To investigate the effect of Nestern base on the vegetative and reproductive growth of four rose cultivars, the experiment was conducted as a factorial with two factors in the form of a randomized complete block design in 3 replications. The first factor (A) includes four cultivars of rose Tabo (red), Superstar (orange), Dr. Benjamin (pink) and Evening Star (yellow) and ...

Number of pages: 100 Category: Civil Engineering

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.

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: 150 Category: Social Sciences - Sociology

Abstract of the concept of people's trust in the media and the news that is published is considered to be the most important factor in the favorable and effective functioning of the media. This research examines the factors affecting the trust of the audience in the southeastern cities of Tehran province to the news of May 30/18 channel. In this research, we have used the survey ...

Number of pages: 186 Category: Social Sciences - Sociology

Master's Thesis in the field of Propaganda and Cultural Communication. The abstract of the present study is an attempt to explain the preaching career of Imam Sadiq (a.s.) for the dissemination and expansion of Islamic knowledge and his audience. In this research, after describing various schools of communication, finally, a synthesis of the school of transmission and ritual ...

Number of pages: 145 Category: Management

Dissertation for Master's Degree (.MA) in Public Administration, Financial Orientation Chapter 1: Research Overview 1-1 Introduction In the field of dynamic financing, continuous performance improvement is a vital issue for most banks in order to strengthen competition. Monitoring and improving post-funding performance has increased the complexity of the task. A complex ...

Number of pages: 121 Category: Psychology

Dissertation for Master's Degree in General Psychology Abstract The aim of this research was to ""investigate the relationship between religious attitude, self-concept and social support with job satisfaction"". The statistical population of this research is 303 women employees of Azad, National and Payam Noor Universities in Kerman, who work in the administrative department. ...

Number of pages: 105 Category: Electronic Engineering

Dissertation for receiving a master's degree (MSC) in Electrical and Electronic Engineering. Dissertation abstract (including summary, objectives, implementation methods, and results obtained): A biometric system based on unique characteristics in each person automatically identifies people. A system includes several steps to be able to identify a person. These steps are 1) ...

Number of pages: 94 Category: Art - Graphics

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 ...

Number of pages: 102 Category: Physical Education - Sports

Dissertation for Master's Degree (M.A.) Major: Sports Physiology Abstract of Dissertation (including summary, objectives, implementation methods and results obtained): The purpose of this research was to study the effect of the combination of resistance exercise and water thistle extract on liver enzymes in healthy male rats, and according to the objectives and nature of the ...

Number of pages: 174 Category: Literature - Persian Language

Abstract: Music is the prominent element of poetic language and the main factor that differentiates poetry from everyday language and normal speech. It also creates an emotional relationship between the creator of the work and the audience and the reader. In fact, by writing poetry, the poet puts the audience in an emotional space and thereby evokes different mental and ...

Number of pages: 151 Category: Art - Graphics

Dissertation for Master's degree (M.A) Major: Painting Abstract of the thesis (including summary, objectives, implementation methods and results): Iranian art, like the art of other parts of the world, reacted to the wave of modernism and this new language appeared in different forms in the works of Iranian artists. Bahman Mohassas is one of the prominent artists who deeply ...

Number of pages: 71 Category: Computer Engineering

Abstract The growth and development of computer networks is not a secret to anyone. For years, the collection and processing of information is done by computers. In addition, the computer plays an important role in distributing information and communicating through computer networks. We need a backbone to communicate between networks. This infrastructure network, which consists ...

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: 104 Category: IT Information Technology Engineering

Dissertation for Master's Degree in Information Technology Engineering - Computer Networks Abstract Wireless mesh networks include mesh routers and mesh clients, which mesh routers form the backbone of the mesh network with the least mobility. Routers and clients in the mesh network access the Internet through the gateway. Today, wireless mesh networks provide wireless services ...

Number of pages: 147 Category: Electronic Engineering

Master's thesis in medical engineering, bioelectrical trend, abstract of the separation of prosthesis projections and tissue implants in sinogram images of spiral CT scan using active contour methods for metal implants such as prostheses and tooth filling materials during the reconstruction of CT images with different methods, creates an artifact that appears as light and dark ...

Number of pages: 125 Category: Management

Dissertation for the Master's Degree in Business Management - Domestic Business Orientation. The present study aims to investigate the relationship between organizational socialization and organizational commitment among the employees of the Department of Industry, Mining and Trade of Kermanshah Province. Using a descriptive correlation research method, 155 employees were ...

Number of pages: 78 Category: Electronic Engineering

Dissertation for receiving a master's degree (MSC) in Electrical and Electronic Engineering. Dissertation abstract (including summary, objectives, implementation methods, and results obtained): A biometric system based on unique characteristics in each person automatically identifies people. A system includes several steps to be able to identify a person. These steps are 1) ...

Number of pages: 133 Category: Electronic Engineering

Master's Thesis of Electrical Engineering-Telecommunications Abstract Wireless mesh networks are one of the technologies of interest for creating next generation wireless networks. Because these networks can provide users with a wide coverage area and high capacity with low power consumption and low cost due to less path loss and also reducing the effect of the shadowing factor, ...

Number of pages: 138 Category: Physical Education - Sports

Dissertation for Master's degree (M.A) Major: Exercise Physiology Abstract Considering the lack of research on the effect of various types of resistance training on urinary protein excretion, the purpose of this study was to compare the acute and chronic effects of two types of continuous and intermittent resistance training on resting proteinuria and in response to exercise in ...

Number of pages: 67 Category: Physical Education - Sports

Dissertation for Master's Degree in Physical Education, Sports Physiology, Abstract The purpose of this research is to investigate and compare the effect of seven weeks of continuous and periodic aerobic exercises on the aerobic capacity and body composition of 13-17-year-old non-athlete girls. For this purpose, 22 non-athlete students with an average age of 15 ± 2 years, weight ...

Number of pages: 70 Category: Biology - Environment

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 ...

Number of pages: 119 Category: Chemical - Petrochemical Engineering

Dissertation for Master's Degree (M.Sc) Major: Applied Chemistry Persian Summary The purpose of this research is to investigate common fatty acids in ostrich oil and determine the amount of retinol in snail secretion to make a cream with therapeutic properties. Since 3000 years ago, the healing properties of ostrich oil have been known to treat wounds, burns, joint pain and skin ...

Number of pages: 49 Category: Physical Education - Sports

Dissertation for Master's Degree in Physical Education and Sports Science, Sports Physiology, Abstract The purpose of this research is to investigate the effect of 12 weeks of diet and aerobic exercise on the body composition of inactive obese women. The statistical sample of this research includes 45 people. The women of the experimental group were randomly divided into 3 ...

Number of pages: 99 Category: Physical Education - Sports

Dissertation for Master's degree (M.A.) Major: Sports Management Abstract This research was conducted with the aim of investigating the role of leisure time based on physical activity in the productivity of employees of the South Pars Gas Complex Company. The method of causal research is comparative. The statistical population includes all male and female employees in 1993, ...

Number of pages: 171 Category: Physics

Dissertation for M.Sc. Master's degree Abstract: Nanostructures introduced with the pioneering of fullerene and carbon nanotubes have opened new horizons in various fields of science and technology, the most important of which is the use of nanostructures in biological sciences. Silicon carbide nanostructures are considered heteroatom nanostructures that have some ionic ...

Number of pages: 73 Category: Medical Sciences

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 ...

Number of pages: 141 Category: Paramedical

Dissertation to receive a master's degree. Objective abstract: This research was conducted with the aim of determining the effect of self-management program on knee pain, self-care self-efficacy and performance of elderly people with knee osteoarthritis. Study method: This research is a semi-experimental pre-test and post-test study with a control group of an applied type, which ...

Number of pages: 82 Category: Physical Education - Sports

Abstract: Introduction: Today, running is one of the most common movement activities among athletes and people in society. The purpose of this research was to compare the effect of Adidas and Nahrin shoes on some biomechanical variables related to tibial stress fractures in healthy young male recreational runners. Materials and methods: In this semi-experimental study, 15 ...

Number of pages: 73 Category: Physical Education - Sports

Dissertation for M.A. Master's Degree in Physical Education Major: Sports Physiology Abstract: The purpose of this research was to investigate the effects of a central body stability training program on posture control, dynamic and static balance of volleyball players. The statistical population of this research was volunteer male volleyball players aged 18 to 24 from Zanjan ...

Number of pages: 125 Category: Biology - Environment

Master's thesis in the field of civil and environmental engineering. Abstract The main problem in using landfill biogas is the presence of pollutants such as hydrogen sulfide. Hydrogen sulfide gas is colorless, toxic, flammable, and has an unpleasant odor. It is highly toxic and produces SO2 when biogas is burned. In addition, hydrogen sulfide has a corrosive effect. It costs a ...

Number of pages: 93 Category: Physical Education - Sports

Dissertation for the Master's Degree in Sports Physiology Abstract Growth hormone binding proteins with high absorption are converted by different mechanisms depending on the species. The purpose of this research is to investigate the effect of a session of resistance building activity on growth hormone response in male athletes and non-athletes. The current research is ...

Number of pages: 126 Category: Physical Education - Sports

Dissertation for Master's degree (M.A.) Major: Sports Physiology Abstract of the thesis (including summary, objectives, implementation methods and results obtained): The purpose of this research was to study the effect of the combination of resistance training and water thistle extract on liver enzymes in healthy male rats, and according to the objectives and nature of the ...

Number of pages: 70 Category: Geography - Urban Planning

An academic thesis for a master's degree in the field of physical education and sports science, majoring in sports pathology and corrective movements: The purpose of this research was the effect of 8 weeks of stabilizing exercises on balance, pain and neck position sense in girls with non-specific neck pain of Shahid Bahonar University, Kerman. In this study, 30 female students ...

Number of pages: 191 Category: Paramedical

Special Care Nursing Master's Thesis Abstract Introduction and Objective: Hemodialysis leads to a change in a person's lifestyle and health status, which endangers not only physical health but also other aspects of health that all these factors affect the patient's quality of life, therefore, the present study was conducted with the aim of determining the effect of ...

Number of pages: 145 Category: Physical Education - Sports

Dissertation for receiving a doctorate degree in the field of physical education, sports biomechanics, abstract: Osteoporosis is a skeletal disorder in which the mechanical strength of bones is reduced and leads to bone fractures, so it is important to pay attention to methods to maintain bone strength and prevent osteoporosis. The aim of this research was to determine the ...

Number of pages: 86 Category: Paramedical

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 ...

Number of pages: 86 Category: Medical Sciences

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 ...

Number of pages: 57 Category: Medical Sciences

Abstract Introduction: One of the most common types of fractures in the jaw and face area is the fractures of the middle area of ??the face and cheekbones, in which the anterior wall of the sinus is involved in the majority of these fractures. Following the fracture of the front wall of the sinus, soft tissue prolapse, sinusitis, rhinitis, pain and tenderness can occur when ...

Number of pages: 125 Category: Medical Sciences

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 ...

Number of pages: 85 Category: Physical Education - Sports

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 ...

Number of pages: 138 Category: Physical Education - Sports

Master's thesis in the field of physical education and sports sciences, majoring in sports physiology. Abstract The purpose of this research was to compare the effect of yoga and aerobic exercises on some physiological factors and physical fitness of non-athletes. 30 non-athletic women of Meibod city (age: 26.53 ± 4.98 years, height: 159.67 ± 5.35 cm, weight: 72.66 ± 14.94 kg, ...

Number of pages: 79 Category: Physical Education - Sports

Dissertation for receiving a master's degree in the field of physical education, specialization: sports physiology. The aim of this study was to investigate the effect of six weeks of training and three weeks of non-training on the aerobic and anaerobic capacity of futsal referees in Sari city. The research method was quasi-experimental with a pre-test and post-test design with ...

Number of pages: 98 Category: Medical Sciences

A master's thesis in the field of physiology, abstract comparing the effect of two different methods of protecting the myocardium during coronary artery bypass surgery by evaluating enzyme changes. In the present study, two different methods of protecting the myocardium during coronary artery bypass surgery, by evaluating the changes of enzymes affecting oxidative stress, ...

Number of pages: 92 Category: Health - Health

The first chapter of the research field: lifestyle[1] is the normal and routine daily activities that people accept in their lives, so that these activities affect people's health(1). By choosing a lifestyle to maintain and improve his health and prevent diseases, a person performs actions and activities such as following a proper diet, sleep and activity, exercise, body weight ...

Number of pages: 121 Category: Biology - Environment

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 ...

Number of pages: 107 Category: Paramedical

Dissertation for obtaining a specialized doctorate in oral and maxillofacial radiology Abstract: Introduction and purpose: The purpose of radiological evaluation of the temporomandibular joint (TMJ) is to depict suspected clinical disorders. This study was conducted with the aim of comparing the position and morphology of the condyle in symptomatic and asymptomatic patients with ...

Number of pages: 312 Category: Physical Education - Sports

Thesis presented as part of the academic activities required to obtain a Ph.D degree in physical education and sports science, sports biomechanics. Abstract: The purpose of this study is to investigate and compare the electromyographic activity of selected shoulder girdle muscles and scapulohumeral rhythm of handball players, tennis players, swimmers and non-athletes during arm ...

Number of pages: 76 Category: Chemical - Petrochemical Engineering

Dissertation to receive master's degree in organic chemistry Keywords: Farsi: Besparash, condensation, composite, nanocomposite, anchoring Nitrogen in bonding with metals can destroy them

Number of pages: 79 Category: Medical Sciences

Dissertation for the degree of Doctor of Dentistry Abstract: Introduction: Oral and dental problems are one of the potentially life-threatening problems in patients undergoing chemotherapy with blood dyscrasias. This study was designed to investigate a new solution to improve health in these people. Implementation method: In this single-blind clinical trial, we randomly selected ...

Number of pages: 93 Category: Paramedical

Dissertation for Master's Degree in Nursing Education (Internal Surgery) Abstract Introduction: Foot ulcers are the most common, serious and costly complications of diabetes and increase the risk of death in diabetic patients by 2-4 times. Also, diabetic foot is one of the main causes of disability in patients with diabetes mellitus and one of the chronic and preventable ...

Number of pages: 125 Category: Physical Education - Sports

Dissertation for Master's Degree Abstract The general purpose of this research is to investigate the effect of low-intensity resistance training with restricted blood flow on the serum levels of growth hormone, cortisol, testosterone and IGF-1 in young men. 30 healthy young men with an age range of 19-24 years who volunteered to participate in the study were selected as a ...

Number of pages: 116 Category: Physical Education - Sports

Dissertation for Master's degree (M.A) Major: Sports Biomechanics Dissertation Abstract (including summary, objectives, implementation methods and obtained results): Research context: Naturally, with age, balance and walking control decline and lose their efficiency. Therefore, it is necessary to identify and introduce appropriate, safe and low-cost intervention solutions to ...

Number of pages: 66 Category: Research Methodology

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 ...

Number of pages: 150 Category: Medical Sciences

Master of Medical Biotechnology Abstract Background and Objective: Retinoblastoma is one of the most common intraocular tumors in children. Although there is progress in the treatment of retinoblastoma, the failure in treatment and mortality in developed countries is remarkable. The most important reason for this failure is drug resistance and its side effects. The aim of this ...

Number of pages: 127 Category: Physical Education - Sports

Dissertation for Master's Degree (M.A.) Major: Sports Biomechanics Abstract: Injury is considered a destructive factor in the success of an athlete and identification of injury helps to prevent and reduce it. Handball is a popular sport and is always associated with the phenomenon of injury. The purpose of this research was to identify the types, causes and mechanisms of common ...

Number of pages: 89 Category: Medical Sciences

Dissertation for Master's Degree in Nursing (special care field) Abstract Introduction: A pressure ulcer is a tissue damage caused by pressure and can involve skin, muscle, connective tissue, cartilage and bone. Pressure ulcer is a painful, debilitating process and endangers a person's health by increasing mortality and morbidity in terms of increasing the length of ...

Number of pages: 74 Category: Medical Sciences

Dissertation for Doctor of Pharmacy Persian Summary In this research, the effects of 17-alpha methyltestosterone and hollanjan plant extract on the reproductive system and adrenal system (hormone cortisol) were investigated in adult male mullet. For this purpose, after dechlorinating the water in the aquariums, 100 pieces of adult male Molly fish with an average weight of 1 ± 3 ...

Number of pages: 108 Category: Biology - Environment

Biomechanics Master's Thesis Abstract Nowadays, open heart surgery has become a very common procedure all over the world. For more than half a century, steel wires were used to close the chest. Now the fixation methods have changed dramatically. By examining the common methods of closing the sternum and taking into account the important parameters in the design of these systems, ...

Number of pages: 118 Category: Chemical - Petrochemical Engineering

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 ...

Number of pages: 65 Category: Medical Sciences

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 ...

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: 129 Category: Chemical - Petrochemical Engineering

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 ...

Number of pages: 32 Category: Research Methodology

Dissertation: In order to receive a specialized doctorate degree in the field of general surgery, hydatid cyst disease is one of the common diseases of humans and animals, which is caused by Echinococcus granulosis. (1) This disease is more common in areas where there are more animals such as sheep and dogs, such as Iran, Turkey, Mediterranean countries and the Middle East, ...

Number of pages: 106 Category: Medical Sciences

Master's Thesis of the Department of Medical Biotechnology Persian Summary Cancer has been made as the second cause of death after heart diseases, one of the most important oncogene proteins is TREKB, whose specific ligand is BDNF (Brain derived neutrophilic factor), and overexpression of this receptor has been observed in prostate, multiple myeloma, ovarian and thyroid cancers. ...

Number of pages: 77 Category: Veterinary Medicine

Doctoral Dissertation of Veterinary Professions Abstract: One of the best management tools is to give a body score, which is considered as a factor for producers to evaluate health and nutritional status. This method helps to evaluate a group or herd of cows in terms of body reserves, especially fat and muscle. Body score may change at all stages of the production, feeding and ...

Number of pages: 86 Category: Biology - Environment

Dissertation for receiving a master's degree in the field of preservation and modification. Abstract In this research, the effect of combined modification of colloidal silver-hot water on the heat transfer from the hot press plates to the heart of the beech (Fagus orientalis) chipboard cake, the physical and mechanical properties of the chipboard and the chemical changes of the ...

Number of pages: 109 Category: Electrical Engineering

Master's Thesis of Electrical Engineering-Telecommunications Abstract Wireless mesh networks are one of the technologies of interest for creating next generation wireless networks. Because these networks can provide users with a wide coverage area and high capacity with low power consumption and low cost due to less path loss and also reducing the effect of the shadowing factor, ...

Number of pages: 146 Category: Electronic Engineering

Master's Thesis of Medical Engineering, Bioelectrical Orientation Abstract: Separation of prosthesis projections and tissue implants in spiral CT scan sinogram images using active contour methods of metal implants such as prostheses and tooth filling materials during the reconstruction of CT images with different methods creates an artifact that appears as light and dark radial ...

Number of pages: 102 Category: Chemical - Petrochemical Engineering

Master's Thesis of Polymer Industry Engineering Abstract With the progress of human civilization, technology development and the ever-increasing population, the world is currently facing a problem called pollution that threatens the lives of the inhabitants of the earth. Pollution caused by the accumulation of persistent toxic compounds in soil and water, such as chemicals, ...

Number of pages: 115 Category: Agricultural Engineering

Abstract: After wheat, rice is one of the most important grains consumed by the people of the world, which is widely present in people's diet. Half of the world's population depends on rice as a staple food. There are many items of rice in the world and now rice is one of the strategic products of the country. Contamination of rice with heavy metals may be a serious threat to ...

Number of pages: 83 Category: Health - Health

Dissertation for obtaining a master's degree in the field of food health and safety, abstract background: addition of edible acids to foods, in addition to inhibiting effects on microorganisms, creates the right taste and color in them. Objective: The present study was conducted in order to investigate the effect of organic acids on some microbial and organoleptic chemical ...

Number of pages: 128 Category: Industrial Engineering

Master's Thesis in Polymer Science and Technology Abstract: Today, cancer is one of the most important concerns of the medical world, for which no definitive cure has been found so far. Radiation therapy is one of the methods used to control and reduce the complications of cancer. Brachytherapy is one of these radiation therapy methods in which the radiation source is placed ...

Number of pages: 75 Category: Telecommunication Engineering

Master's Thesis of Electrical Engineering-Communications Wave Orientation Abstract In this thesis, identification of the position and shape of two-dimensional metal objects by optimization[1] of the cost function[2] with the help of the level setting method[3] and the simulation results are presented. In this method, we were able to obtain the shape and position of the objects ...

Number of pages: 76 Category: Agricultural Engineering

An academic thesis for obtaining a master's degree in agriculture majoring in agriculture, investigating the effect of the amount of ripening and the number of harvests on the quantitative and qualitative yield of pvh19 tobacco production. Abstract In order to investigate the effect of the amount of ripening and the number of harvests on the quantitative and qualitative yield of ...

Number of pages: 162 Category: Agricultural Engineering

Dissertation for Master's Degree in Agricultural Engineering, Horticultural Science-Fruiting tendency Abstract Grapes are non-dehiscent fruits with low physiological activity and are very sensitive to water loss and fungal contamination, especially gray mold, during the post-harvest period in the warehouse and during transportation as well as marketing. In the present study, the ...