Download more than 42 examples of thesis, proposal and project topics about fracture in editable WORD file format at undergraduate, graduate and doctoral levels for use and reference in research, articles, theses, student and academic projects.
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 ...
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 ...
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 ...
Summer 1390 Expertise Master of the field: Civil Engineering Orientation: Structure Abstract: In this thesis, the effect of nanosilica on the mechanical properties and durability of concrete containing polypropylene fibers
Introduction: The present research is devoted to the investigation and study of the bottlenecks of the physical development of Shiraz from the perspective of geomorphology. In a general definition, geomorphology is: The science of swimming is the unevenness of the earth's surface and its task is to recognize and classify (classify) these shapes for planning in the environment. ...
To receive a master's degree in textile technology engineering. Abstract In the previous research, multi-sized nano-roughness was developed using nanoparticles with different sizes and different surface charges along with silicone resin coating to produce multi-purpose textiles with stable properties. In this research, the idea of ??using laser irradiation and finishing textiles ...
Master's thesis in the field of power electronics, power electronics, Abstract: The use of pulsed power sources in various plasma processes is increasing due to the relationship established between them. According to the research done in this case, the design of pulsed power sources with the aim of reducing losses and increasing efficiency can have important effects on plasma ...
Master's Thesis in Industrial Engineering (System Management and Productivity) Introduction and Objective: In Mazandaran province, part of the transportation problems are related to road accidents. The resulting costs are one of the most important challenges of the province and the financial losses caused by them are imposed on the budget of the family and the province. It is ...
Master's Dissertation of Discontinuous Structure Abstract: In recent years, the use of composite material in the construction and strengthening of structures has expanded greatly. The structure of this material is such that there is a possibility of crack formation between the layers. Due to the increase in load, these cracks grow and cause a sharp drop in the strength and ...
Master's thesis in the field of structural engineering. Abstract: The increase in vulnerability caused by earthquakes and the large number of earthquake casualties caused by structures and houses that are weak in terms of construction forces people to conduct studies to reduce these risks and damages. Studies such as severe earth movement and seismic hazards related to it play ...
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 ...
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 ...
Master thesis M.Sc. Discipline: Civil Engineering, Orientation: Hydraulic Structures. Abstract River containment is generally done by dams and similar structures. The flow passing through these structures has a significant potential for erosion and scouring of susceptible beds. Relaxation ponds are designed and built mainly for the purpose of depleting flow energy and ...
Education Level: Master's Degree, Field: Civil Engineering, Major: Structures Abstract: In this thesis, the effect of nanosilica on the mechanical properties and durability of concrete containing polypropylene fibers was investigated. Polypropylene fibers with a length of 18 mm and a ratio of length to diameter of 0.9 mµ were used. The effect of fibers and nanosilica in three ...
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 ...
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 ...
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 ...
Sports Pathology and Corrective Movements Master's Thesis Abstract The main purpose of this research was to investigate the relationship between anthropometric dimensions and structural profile with sports injuries of elite runners. The statistical population of the present study was all the runners who participated in the beginning of the country's championship season ...
Master's thesis in the field of physical education and sports sciences, sports biomechanics, abstract: flat feet are among the most common abnormalities. Anatomical abnormalities can change the kinematic variables of the foot joints, which results in a different walking pattern. Identifying the quality and quantity of the variables affected by these anomalies is effective in the ...
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 ...
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 ...
Dissertation for Master's Degree in Nursing (Special Care Orientation) Abstract Introduction: Malnutrition is a nutritional disorder caused by a decrease or imbalance in energy, protein, vitamin and mineral intake. Among the patients who have a high prevalence of protein-energy malnutrition among them are those suffering from the final stages of kidney disease. Despite many ...
Dissertation to receive a master's degree in intensive care nursing Introduction: Maintaining safety and preventing side effects, especially in patients hospitalized in wards, has become a global concern in the field of health and health, and has led to the issue of the effectiveness of working environment conditions. Objectives: This study was conducted with the aim of ...
Dissertation to receive master's degree in organic chemistry Keywords: Farsi: Besparash, condensation, composite, nanocomposite, anchoring Nitrogen in bonding with metals can destroy them
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 ...
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 ...
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, ...
Master's Thesis of Polymer Industrial Engineering Abstract Cross-linked polyethylene is one of the materials that is widely used in the field of insulation production in cables due to having suitable electrical properties and good electrical strength. Nowadays, one of the methods of optimizing the properties and changing the behavior of polymers is the use of filler particles ...
Dissertation for receiving a master's degree (M.Sc.) major: agricultural economics and estimation of the cost of destruction of underground water resources due to over-harvesting in Barshuri (case study: grain farmers of Arsanjan city) by: Jalil Khadem Al-Husseini Abstract Over-harvesting of underground water tables due to lack of proper management has led to a decrease in the ...
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 ...
Dissertation to receive a specialized doctorate degree in dentistry in the field of pediatrics Abstract History and Purpose Traumatic dental injuries are considered one of the most common events in childhood and adolescence. Among these injuries, ovalgen (falling out of the tooth from the socket) is considered a real emergency and requires quick and accurate treatment by a ...
Dissertation for Master's degree (M.Sc.) Direction: Watershed, the effect of different components of rainfall on the morphometric characteristics of landslides in Mazandaran province. Abstract: Landslide is one of the main landslide processes that affects the evolution of mountainous regions and causes catastrophic events. Landslides in Iran, especially in the northern basins of ...
Dissertation for Master's Degree in Mining Engineering - Rock Mechanics Abstract Today, blasting operations in hard rock piles is an inevitable thing in many mining and construction projects, and in case of inaccuracy in its design, it can cause great loss of life and money to all construction or mining projects. When an explosion takes place in two different rock masses with ...
Thesis Mechanics to get a Master's degree Abstract: First, the solution of Volterra-type anti-plate displacement in a rectangular plate with limited length and width and different boundary conditions is obtained by the method of separation of variables. Then, the distributed displacement technique is used to obtain the integral equations related to the rectangular plate weakened ...
Dissertation for Master's Degree in Rock Mechanics Abstract The unexpected stress intensity factor of some engineering structures has caused a lot of financial and collateral damage. In investigating the causes of failure, researchers gradually found that the design of many of these structures was correct based on the theory of elasticity and resistance of materials, and the ...
Master's Thesis in Mechanical Engineering (Applied Design) Abstract of Gas Turbine Rotor Stress Analysis Using Continuous Damage Mechanics In this thesis, Lometer's unified model based on continuous damage mechanics is used to model the stress-strain behavior of a gas turbine rotor sample. The unified damage law, which is used to model creep-fatigue interaction, is based on the ...
Mechanical Engineering - Applied Design Orientation Abstract: Vibration is one of the important and basic concepts in engineering sciences. In simple words, any system that has mass and spring property has the ability to vibrate and can vibrate at a natural frequency. It can be said with certainty that 95% of vibrations in industries are harmful to systems. If the system is in ...
Master's Thesis in Mechanical Engineering (Applied Design): Abstract of the analysis of leading damage in pin connections of composite materials. The purpose of this research is to analyze the leading damage in pin connections of composite materials. To do this, finite element software ABAQUS and FORTRAN programming have been used. The contact between the composite plate with ...
Doctoral Dissertation in the field of Sufism and Islamic Mysticism Abstract Theoretical mysticism is not based on the theories of infallibility, incommensurability and indescribability, but based on the theory of the quantification of mystical propositions. This is the level of a cognitive system that monitors the propositions of theoretical mysticism and evaluates them based on ...
Presented to obtain a master's degree in the field of mechanical engineering-applied design orientation. Abstract In this research, we investigated the free vibration of a cracked beam and found its natural frequencies. In the first part, by using the open crack model, by modeling the cracked part as a beam-shaped element and satisfying the boundary conditions, we obtained the ...
Abstract: Spondylitis is one of the diseases affecting the spine, which damages the poultry industry worldwide and causes lameness in the bird. The main purpose of this study is to investigate the common microbial factors in spondylitis disease of broiler chickens, which was done through the cultivation of necessary samples in a number of special culture environments. For this ...