Download more than 100 examples of thesis, proposal and project topics about examination of microbial load in editable WORD file format at undergraduate, graduate and doctoral levels for use and reference in research, articles, theses, student and academic projects.
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 ...
Dissertation for receiving a master's degree in the field of agricultural engineering, science and food industry, food microbiology. Abstract The antimicrobial effect of elderberry kernel extract as a substitute for chemical preservatives in the market was investigated on the chemical, microbial and sensory characteristics of mayonnaise. The measurements showed that the ...
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 ...
Dissertation for Master's Degree in Agricultural Engineering, Food Science and Technology, Food Technology, Abstract The purpose of this study was to investigate the antimicrobial effect of cactus seed extract as an alternative to chemical preservatives on the chemical, microbial and sensory characteristics of French salad dressing. The tested treatments are French sauce ...
Dissertation for Master's Degree (M.Sc) in the field of Animal Science, Animal Nutrition, Abstract: This study was conducted in order to compare the effect of rice bran enriched with fish waste on the microbial population of the digestive tract and the humoral immune response of 200 one-day-old broilers of Ras 308 strain in the form of a completely randomized design with 5 ...
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 ...
Dissertation for receiving master's degree in mechanical engineering, the trend of manufacturing and production of complex industrial products from metal pipes with the aim of increasing the strength-to-weight ratio of structures and especially reducing the fuel consumption of vehicles has attracted the attention of industrialists in recent years. In this regard, one of the new ...
Dissertation for Master's Degree in Psychology (M.A.) Clinical Orientation Abstract: Problem Statement: Identifying personality factors and drug addiction helps to diagnose and treat addiction as best as possible, and by providing counseling and psychological services on time, the addiction of susceptible people can be prevented to some extent. Therefore, the purpose of this ...
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 ...
Master's thesis in electrical engineering, power, power trend, abstract network development planning, operation planning and finding solutions to improve the security and economic performance of the power system all require system studies. The most necessary step in conducting these studies is network modeling, which itself requires detailed information about the impedance ...
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 Physical Education, Physiology, Abstract Central stability is the ability to control the position and movement of the trunk on the pelvis, which allows the control and transfer of force and movement to the extremities during sports activities, which muscle contraction can increase this stability. Improving central stability can be effective in ...
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. ...
Master's Thesis (M.sc) Civil Engineering, Soil and Foundation Mechanics Abstract In this research, the stability of soil reinforced with geogrid located on an underground cavity was analyzed using plaxis software, and the effect of several factors such as the number of geogrid layers, the length of the geogrid layer, the stiffness of the geogrid layer, the optimal location of ...
Master's Thesis in Civil-Structural Engineering Today, domes and arches have found wide applications in architectural and industrial structures due to their suitable coverage of large openings. The use of today's technologies in styling and optimizing energy consumption in these types of structures is one of the important challenges facing engineers. Therefore, the need to ...
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 ...
Master's thesis in the field of electricity-power orientation Abstract Gearboxes are essential and inseparable components of power transmission systems. These machines convert torque into speed and sometimes speed into torque. The use of mechanical gearboxes in these systems has been common since long ago as an interface between the power generation sector and the power ...
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 ...
Dissertation for receiving a master's degree in the field of physical education in the field of sports physiology. Abstract: Athletes have been continuously searching for solutions to improve their sports performance. One of the methods that can develop sports performance and prepare athletes physically and mentally for sports activities is the use of herbal supplements. The aim ...
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 ...
Dissertation for Master's Degree (M.Sc.) Orientation: Environment Abstract Environmental risk assessment is the examination of risks that result from natural events, technology, practices and methods, processes, productions, chemical, biological, radiological and industrial activities and may threaten ecosystems, animals and people. A preliminary research has been done in the ...
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 ...
Dissertation for receiving a master's degree in the field of food science and engineering, specialization: food science and industry. Abstract Considering the various uses of vegetables in human nutrition, as well as their taste and usefulness in maintaining health and well-being, their importance is increasing day by day. Considering the short life after harvesting and ...
Master's thesis in special care nursing Abstract: Introduction: The patient who is admitted to the special care department is exposed to sensory deprivation for various reasons. The results of studies indicate the positive effect of sensory stimulation in preventing sensory deprivation, but the role of the family compared to nurses in performing sensory stimulation has not yet ...
Dissertation for receiving a master's degree in the field of agricultural engineering, food science and food industry, food chemistry. Abstract: In the meat industry, the shelf life and juiciness of the meat is of particular importance, which is the purpose of this research. In this research, the thigh and breast muscles of chicken and ostrich meat were used, and 5 samples of ...
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 ...
Dissertation for M.Sc. Degree: Power Electronics Abstract: Distribution networks have various loads that consume different amounts of reactive power. Considering the effect of the type of load on the location and size of capacitor banks in distribution systems, in this thesis, a novel method for modeling different network loads in order to improve the voltage profile and reduce ...
Dissertation for receiving a master's degree in food science and industry, food microbiology, abstract Since the occurrence of food poisoning in a hospital can endanger the lives of patients and other people who use hospital food in some way and sometimes have a weak immune system, it is very important to observe food hygiene in the hospital. Every person who prepares, prepares, ...
Thesis of master's degree in civil engineering, soil and foundation mechanics orientation, September 2019, abstract: analysis of dynamic interaction between soil and structure (due to the mutual effect of the structure and its retaining soil on each other), D
Dissertation for Master's Degree in Civil Engineering (M.Sc) Orientation: Structure Winter 2013 Abstract: Resilient construction of important government buildings, infrastructure facilities and vital arteries due to the increase
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
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
Chapter 1 1-1-Introduction: Common fluids such as water, oils and ethylene glycol, which are usually used as heat transfer media, have a limited ability in terms of thermal properties, which is the first obstacle to compress and increase the efficiency of heat exchangers. One of the ways to improve heat transfer is to add particles to the fluid. This method is used for fluids ...
Master's Thesis in Clinical Psychology (M.Sc) Abstract Reading is the most basic learning tool for students. Dyslexia accounts for the largest percentage of learning disabled students, which is defined by the lack of success in language skills such as reading, writing and spelling. Memory, especially active memory, is one of the important factors in learning that these students ...
Dissertation for obtaining a master's degree in educational technology, abstract; The aim of the current research was to investigate the external cognitive load created in multimedia based on Merrill's educational design model in the biology course. In terms of purpose, this research is practical and in terms of methodology, it is among quasi-experimental researches. The ...
Dissertation for M.A. in Accounting. Profit abstract for effectiveness should be available on time. The timeliness of the profit makes the yield real and if it is presented in short intervals, it reduces the information risk. Timeliness is considered one of the most important qualitative features of financial information. If in a potential transaction one party has more ...
Dissertation for receiving a master's degree, Major: Accounting Abstract: We have started this research with the basic question that adjustments in accounting profit, such as profit smoothing, will have an effect on new indicators of performance evaluation, such as economic added value, or not? For this purpose, we have investigated this issue under the title ""Investigation of ...
The thesis for receiving a master's degree (M.A) in the field of accounting, the abstract quality of profit from various aspects including (having predictive value, feedback value, neutrality, timeliness and honest expression) has been evaluated and considered by researchers. The purpose of this research is to examine the relationship between some corporate governance mechanisms ...
Thesis for obtaining a master's degree in the field of: business management, financial orientation. Abstract In this thesis, the impact of internal and external factors on the profitability of banks in Iran, separately from private banks (12 banks) and government banks (5 banks) during the years 1385-1392, has been investigated. Based on the conducted tests, the panel data ...
Abstract: The painting of coffeehouses in the Qajar period arose from the heart of the society through artists from the people and opened its way to depict the issues that were the concern of the people. In the meantime, religious topics have been of great interest to people and painters, and among all of them, the life of Imam Ali (a.s.) has been receiving a lot of attention ...
Master's thesis in the field of computer engineering (software), the abstract of Turin computing networks (GRID) has provided a context that can be used from heterogeneous sources in Different geographic locations are used to solve complex scientific, engineering and business problems. Timing operation plays a key role in grid performance. In this thesis, using the advantages of ...
Dissertation for receiving the master's degree ""M. Sc."" Field: Agricultural Engineering Major: Water Structures Abstract The sediment transfer process is a completely complex, variable and non-linear phenomenon. So that the behavior of the river in the sediment transfer capacity for a certain discharge is different in different times. Therefore, due to the complexity of the ...
Master's thesis in the field of civil engineering, structural orientation. Abstract In this study, the evaluation and comparison of nonlinear and numerical analysis of deep reinforced concrete beams with openings without reinforcement with deep concrete beams with openings reinforced with FRP sheets and deep reinforced concrete beams without openings by Abaqus finite element ...
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. ...
Master's thesis in the field of civil engineering (hydraulic structures) abstract of sediment transfer and sedimentation, the consequences such as the creation of sediment islands in the river path and as a result the reduction of flood flow transfer capacity, corrosion of river structures and It includes other problems. Also, suspended sediments affect the quality of water for ...
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 for Master's Degree in Civil Engineering, Marine Structures, Abstract: Tension-based platforms are among economic marine platforms for use in deep waters. The correct prediction of the platform's dynamic response to environmental loads is very important in its economic and safe design. In this research, the dynamic behavior of the tension base platform under the ...
Master's Thesis in Civil Engineering, Earthquake Orientation Abstract: Bridge structures are affected by various loads and are designed according to the level of risk that is considered for them. Explosive loading is one of the loads that threaten the health of bridges. It is necessary to evaluate the amount of damage and performance of bridges under the effect of this loading ...
Abstract Underground facilities are an integral part of modern society and are used for many applications, including subways and railway lines, highways, material storage and water and sewage transportation. is used Underground facilities built in areas affected by earthquake activity must withstand both earthquake and static loading. By reviewing the historical cases of ...
Civil Engineering Master's Thesis - Soil and Foundation Mechanics Abstract From the past until now, one of the most economical methods to improve the mechanical properties of clay soils has been stabilization by means of additives such as lime and cement in construction projects such as road construction and consolidation of building foundations. Also, with the passage of time ...
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 effects of three types of music (loud, soft, and loud) on the results of physical fitness tests. 16 healthy overnight students voluntarily participated in the tests with the average age (22.6±2.38 years), height ...
Master's Dissertation in Power Electricity Abstract: In electrical networks, costs caused by system losses and defects caused by voltage deviations from permissible limits are among the biggest problems that plague power generation, transmission and distribution. Therefore, reducing the costs of planning and operating power systems, and at the same time, observing its limits and ...
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 ...
Dissertation for receiving a master's degree in the field of Civil Engineering (M.Sc) Major: Structure Abstract: The retrofitting of important government buildings, infrastructure facilities and vital arteries due to the increase in terrorist attacks around the world and the possibility of bombings near buildings and urban places is one of the most important discussions in the ...
Master's Thesis Abstract: Short-term load forecasting, in the form of one-hour to several days load forecasting, has a significant impact on the operation of power systems. Because many energy management measures, such as setting up a cost-effective plan to use existing power plants, planning the purchase of fuel needed by power plants, entering and exiting units, developing ...
Dissertation for receiving a doctorate degree in dentistry Abstract Introduction: The type of diet is one of the factors that play a role in tooth decay. The present study was conducted with the aim of investigating the profile of healthy nutrition and food patterns along with caries experience in dormitory and non-dormitory students of Mashhad Faculty of Dentistry in 2011. ...
Dissertation for master's degree in electrical field, orientation: power. Abstract The concept of microgrid is a set of loads, sources of production and energy storage that act as a controllable load or generator and can provide power and heat for a local area. Management of production power in microgrid is one of the main current topics in the design and operation of microgrid. ...
Dissertation for receiving the degree of Doctor of Dentistry Abstract The long-term clinical success of implants is dependent on osseointegration and adhesion of soft tissues and epithelium to implant surfaces. Various indices including: plaque index, gingival index, bleeding during probing and bone resorption are used to evaluate the health of the soft tissues around the ...
Master's thesis in the field of chemical nanoengineering, abstract modeling of chloride ion removal from gas condensate using nanofiltration of chloride ion in gas condensate can cause severe corrosion of equipment and pipes. Therefore, it is necessary to remove it from the condensate flow. The aim of this work is the mathematical modeling of the nanofiltration process for the ...
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 ...
Dissertation for Master's Degree (M.Sc.) Orientation: Power Abstract In recent years, with the advances made in data processing and transmission technology, distribution companies are more and more interested in using distribution automation systems. One of the most effective users of automation is the renewal of the distribution network, which is often analyzed as an ...
Dissertation for Master's Degree in Chemical Engineering Abstract: Microbial fuel cell biotechnology is a new science, in which microorganisms, as cheap catalysts, convert the chemical energy contained in organic and inorganic compounds into electrical energy. Optimizing parameters affecting battery performance is one of the first laboratory steps towards the development of this ...
Master's Thesis in Mechanical Engineering - Applied Design Abstract In recent years, most of the researches have been focused on compressive and combined loading in order to investigate the buckling of nanotube structures, and for this purpose, the work done on tensile loading is very limited. Since the results of compressive and tensile loading in carbon nanotubes are ...
Master's thesis in the field of mechanical engineering - energy conversion trend Abstract: In this research, the turbulent flow of a non-Newtonian nanofluid in a microchannel with a circular cross-section is simulated. First, the types of classification of microchannels, the methods of making microchannels, as well as the advantages and challenges of using microchannels are ...
Dissertation for Master's Degree Abstract Today, preventing losses caused by blackouts and undistributed energy is very important. Therefore, one of the most important issues in the operation of the distribution network is the renewal of the load, which has a great impact on the constant service to the subscribers. When a part of the network is cut off due to an error or ...
Abstract Photovoltaic or PV for short is one of the types of electricity generation systems from solar energy. In this method, by using solar cells, direct production of electricity from sunlight becomes possible. Solar cells are semi-conductors that are made of silicon, the second most abundant element in the earth's crust. When sunlight shines on a photovoltaic cell, a ...
Master's thesis in the field of electrical engineering - Power Abstract The importance of the energy issue has increased the need to use new energy sources as a producer of electrical energy. Nowadays, one of the suitable options for providing electric energy are scattered production sources. The use of distributed generation has many positive effects, such as increasing the ...
Dissertation for Master's Degree in Health Sciences in Nutrition Persian Abstract Background: Probiotics are useful bacteria that prevent the growth of microbes and the connection between them and the surface of the intestinal mucosa, and therefore play a useful role in the balance of the intestinal flora. In several animal studies, the effect of probiotics on blood sugar ...
Abstract Helicobacter pylori is a gram-negative, spiral-shaped, microaerophilic bacterium that lives in the human stomach. This bacterium is often seen in patients who suffer from chronic gastritis or stomach ulcers. Helicobacter pylori infection is asymptomatic in more than 80% of people. It seems that this bacterium plays a role in maintaining the natural ecology of the ...
Dissertation for M.Sc Mechanical Engineering - Energy Conversion Orientation Abstract: In this research, the turbulent flow of a non-Newtonian nanofluid in a microchannel with a circular cross-section is simulated. First, the types of classification of microchannels, the methods of making microchannels, as well as the advantages and challenges of using microchannels are stated. ...
Master's Thesis of Mechanical Engineering-Applied Design Abstract In many applications, graphene (monolayer or multilayer) is used in the polymer matrix as a composite. In this research, ideal graphene with a hexagonal bond shape between atoms, located in a polymer matrix, with different boundary conditions, including gripped and simple, under biaxial external compressive ...
Dissertation for obtaining a doctorate degree in the field of mechanical engineering - manufacturing and production: the advantages of using semi-solid processes are reducing the amount of gas porosity and shrinkage and modifying the microstructure, which aims to improve the mechanical properties of the part. In this research, the cooling ramp method has been used to produce the ...
) Master's Thesis in Microbiology Abstract: Considering the expansion of the use of leeches for therapeutic purposes and since the Food and Drug Administration approved that the use of leeches after surgery can lead to bacterial infection. FDA In this study, independent culture and dependent culture will be used to know the specific signs of gastrointestinal tract microbes in ...
Dissertation for master's degree major: Accounting Abstract: In this research, the relationship between the total stock index and initial stock pricing in the Tehran Stock Exchange has been investigated for 103 companies whose shares were offered to the public during the period 1382-1388. EXCEL software was used for data analysis and SPSS software was used for hypothesis ...
Dissertation for M.Sc Master's degree, mechanical engineering-applied design Abstract With the emergence of composite materials, a huge progress was achieved in many engineering applications. Nevertheless, problems such as delamination, stress concentration, and discontinuous distribution of stress, the idea of ??creating a new type of composite materials in which properties ...
A master's thesis in the field of electrical-power engineering. Time series load distribution. In this research, the application of time series models in the power system is discussed. Time series are used to model different power grid parameters and in various applications. These models are able to consider the time correlation of power grid variables. According to the modeling ...
Dissertation for receiving the master's degree ""M.Sc."" Trend: The power of the series active filter is designed for harmonic separation and load voltage regulation in non-linear loads of single-phase and three-phase harmonic voltage source type. A new method for extracting harmonics of load voltage is proposed under the name of absolute value method, which is applied to the ...