Download more than 42 examples of thesis, proposal and project topics about diffusion disk in editable WORD file format at undergraduate, graduate and doctoral levels for use and reference in research, articles, theses, student and academic projects.
Dissertation to receive a general doctorate degree Abstract Introduction and purpose: Since 1980, new groups of antibiotics called oxyimmunocephalosporins, which were resistant to the hydrolytic activity of beta-lactamases, were used to treat gram-negative bacterial infections. In the early 1990s, extended-spectrum beta-lactamases (ESBLs) produced by gram-negative bacteria ...
Master's Thesis of Chemical Engineering Abstract In this research, the optimal absorption conditions for cationic dyes have been investigated and the removal of brilliant green dye [1] by the natural adsorbent of khakshir has been investigated. First, the effective conditions in the amount of brilliant green removal by the khakshir stem adsorbent were researched, then using the ...
Dissertation to receive a Ph.D. degree in Pharmacy Persian Summary Urinary tract infection (UTI) is the occurrence of infection due to the entry and growth of bacteria in any part of the urinary system, including the organs that collect and hold and excrete urine, namely the kidneys, ureters, bladder and urethra. UTI is usually caused by the entry of bacteria that can live in ...
Dissertation for receiving a general doctorate degree Abstract Introduction and purpose: Metallobetalactamases (MBL) are enzymes that are produced by non-fermenting Gram-negative bacilli such as Pseudomonas aeruginosa and make these strains resistant to carbapenems. As a result, Pseudomonas carrying metallobetalactamase genes are considered a serious clinical threat. Considering ...
Thesis for Master's Degree in Agricultural Engineering - Physiology and Breeding of Medicinal Plants Abstract: This research was carried out in order to extract, identify the constituent compounds and the antimicrobial properties of the essential oils of two varieties of Khuzestani Marza and Rashingari Marza. Extraction of essential oils was carried out by distillation with ...
Abstract Nowadays, due to the resistance of microorganisms against antibiotics, it is important and necessary to use medicinal plants to obtain new compounds to overcome them. The aim of this study was to investigate the antimicrobial effects of methanolic and blue lime extracts against bacteria and mold. In this research, lemon peel extract was extracted by two methods, aqueous ...
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 doctorate degree in the field of geography and rural planning. Dissertation/dissertation abstract: The development of the agricultural sector in rural areas is based on the existence of natural talents and the realization of planning goals for the establishment of development facilities and requirements. This is despite the fact that some rural ...
Dissertation for Master's Degree (M.A.) Major: Anthropology Abstract What we consider as beliefs and knowledge today has its roots in the past history of people and societies. What is certain is that we and anyone else cannot determine the date and time for the emergence of beliefs, but if people can achieve a correct understanding and knowledge, it can be claimed that they have ...
Dissertation for Master of Social Sciences (M.A) Degree: Research Abstract The general purpose of this research is to investigate the level of particularism among the citizens of Ardabil city and the factors related to it. The theoretical framework of the research is derived from the theories of Parsons, George Herbert Mead, Giddens, Fukuyama, Putnam, Inglehart, Malekpour, ...
Dissertation for Master's Degree in Executive Management Abstract: The review of information technology acceptance models shows that several competitive models have been presented, each of which has a different set of determining factors. In this research; User acceptance using the unified theory of acceptance and application of technology (UTAUT[1]) by Venkatesh et al. (2003), ...
Dissertation for Master's degree (M.A) specialization: ""International Business"" Abstract: The development of wireless technologies and tools in recent years has created a new opportunity to provide new banking services under the title of mobile banking. By using mobile banking, customers can benefit from banking services quickly and conveniently at any place and time. Today, ...
Master's Thesis in Computer Engineering (Software) Abstract: Reducing energy consumption in the cloud environment using virtual machine migration Reducing energy consumption is one of the most important issues of the day, especially in the industry sector. In recent years, the ever-increasing human needs for computer systems have caused the creation and expansion of more and ...
Master's thesis in the field of electrical engineering-communication system for removing interference in the passive radar reference channel based on digital TV broadcast signal by terrestrial transmitters with a reproduction approach. In this thesis, a digital receiver for signal processing in a passive radar reference receiver based on orthogonal frequency division modulation ...
Dissertation for receiving a master's degree (M.A.) specialization: public administration. The present research was conducted with the aim of measuring the impact of ethical behavior and various aspects of job satisfaction on the organizational commitment of education employees in one Rasht district. Organizational commitment is the dependent variable and ethical behaviors and ...
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 ...
Electrical-Electronics Engineering Master's Thesis Abstract In this thesis, we have used graphene nano-ribbons as an active layer of a solar cell for the first time. To simulate this cell, the non-equilibrium Green's function method was used in the mode space, and the effect of electron-photon interactions was calculated by means of Born's self-consistent approximation. To ...
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 Civil Engineering (Soil and Foundation) Abstract Dense sand piles have been used since 1950 in Japan and then in other countries of the world as one of the most effective and economical methods in strengthening soil in order to prevent liquefaction, increase bearing capacity and improve soils with different grain sizes. The process of implementing dense sand ...
Master's Thesis (M.Sc.) Direction: Process Design Abstract Currently, membranes have found a special place in different separation industries and have wide applications in different fields of separation, including liquid solutions and different gases. Membrane technology is one of the most widely used technologies in today's industry, whose field of application is wide ranging ...
Dissertation for Master's Degree in Analytical Chemistry Abstract: Today, modern catalysts are used in the petrochemical industry for various reactions. Zeolites in the more advanced form of ""nano zeolite"" are very important in this regard due to their high surface area. The aim of this research is to provide a ""spectroscopy-chemimetry"" method and to provide an optimal ...
Master's degree thesis in the field: Chemical Engineering Abstract In this project, an attempt was made to take a small step towards the synthesis of silicoaluminophosphate molecular sieve in nano dimensions and its use in fuel cells with methanol fuel. Therefore, in this way, nano silicoaluminophosphate was produced under optimal hydrothermal conditions. Next, XRD, FT-IR, SEM ...
A master's thesis in the field of chemical engineering. Abstract of the laboratory study of the wear phenomenon of gas containing sand and liquid droplets in pipelines. For this purpose, a pipeline test device including: vertical and horizontal pipelines and various connections has been made. The studied fluid consists of three phases: gas, liquid and solid. The gas phase is ...
Dissertation for Master's Degree in Special Care Nursing Abstract Background and Purpose: Visiting in special care units has been limited for a long time. The limitation of visiting and of course the separation of the patient and family on the one hand and facing an unfamiliar environment, fear of the unknown, on the other hand doubles the tension and is a crisis for the patient ...
Master's Thesis in Chemical Engineering Abstract Simulation of dynamic surface tension phenomenon in solvent oil systems based on permeation process is one of the prominent processes in the field of increasing extraction from oil reservoirs, gas injection. Therefore, a correct understanding of the mechanisms and how these processes are carried out is a big step towards ...
Master's Thesis in the field of Chemical Engineering (no orientation) Abstract of the laboratory study of the wear phenomenon of liquid containing sand in pipelines. The studied fluid consists of two phases, liquid and solid. The liquid phase is water, and sand particles form the solid phase. In this research, the parameters affecting the wear rate, including: fluid speed, sand ...
Dissertation for Master's Degree in Chemistry (M.Sc.) Major: Analytical Chemistry Abstract In the present research, the measurement of the medicinal substance isoprenaline in water was carried out using a gas chromatography device with a flame ionization detector (FID). In order to extract this compound from aqueous samples, the technique of diffusion liquid-liquid ...
Dissertation for Master's Degree in Mechanical Engineering Abstract: Nowadays, due to the increase in population in big cities, building high-rise buildings and residential towers may seem inevitable. But in locating these types of buildings and placing them together, a series of environmental requirements must be observed. In this thesis, an attempt has been made to re-evaluate ...
Dissertation to receive a Ph.D. in Pharmacy Persian Summary Simvastatin with the brand name Zocor is a drug that is widely used in the treatment of hypercholesterolemia. Simvastatin has a poor solubility in water which reduces its therapeutic benefit, drug solubility behavior remains one of the challenging aspects in formulation development. Considering that many drugs have ...
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 ...
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 ...
Master's Thesis in Soil Science Abstract: Today, tracking in water and soil issues has found a much wider application compared to the past. Examining the hydraulic connection and hydrodynamic characteristics of underground water tables, evaluating the origin and spread of pollution are among the most important applications of this method. In our country, along with the ...
Dissertation for receiving M.Sc degree in mechanical-structural engineering and the production of aluminide permeable coatings for the protection of gas turbines used in power plant, aviation, marine, oil and gas and petrochemical industries, which are mainly attacked by high temperature oxidation and hot corrosion phenomena. In this research, in order to use the effect of ...
Dissertation for receiving the master's degree ""M.Sc. » Orientation: Agriculture Abstract This study was conducted in order to compare the effect of biological and chemical fertilizers on the yield and morphological traits of the spruce plant in the form of a randomized complete block design in 9 treatments and 4 replications in a plot of land with an area of ??800 square ...
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 ...
Dissertation for receiving a master's degree in agricultural engineering majoring in agriculture, abstract of this project in order to investigate the effect of nitroxin fertilizer under the conditions of irrigation interruption (based on BBCH, plant phenology stages) on the physiological and agronomic traits of fodder millet cultivars in Damghan region in 2011-2019 as a ...
Dissertation for receiving a master's degree in food technology, Persian abstract, background and purpose: Olive tree leaves have many compounds, including oleuropein, which are related to the majority of their medicinal properties. Olive leaf extract is also rich in phenolic compounds. In order to extract phenolic compounds, olive leaves must first be dried. Natural drying and ...
Master's Thesis Applied Design Abstract In this thesis, in the field of vacuum technology, the importance, application and role of this technology in the industry and the advancement of scientific research, technical terms related to this technology, types of vacuum pumps, applications, advantages and disadvantages of each of the vacuum pumps, the importance of studying the ...
Dissertation for obtaining a master's degree, direction: accounting. Abstract: This research examines the relationship between conservative accounting and bankruptcy risk, which conservatism causes an increase in property and cash, and bankruptcy as a condition in which there is not enough cash. Therefore, accounting theory indicates the existence of a relationship between these ...
Master's Thesis on Energy Conversion Abstract: Increasing heat transfer as well as increasing energy efficiency due to the limitation of natural resources and reducing costs has always been one of the most basic concerns of engineers and researchers. This is especially important in fluids due to the small thermal conductivity coefficient. One of the most important ways to ...
Dissertation for Master's Degree (M.Sc.) Major: Rangeland Determining the most suitable method of measuring the production of bush plants in the rangelands of Shiraz city (case study: Chashme Anjir rangeland) Abstract From the distant past, humans turned to natural resources to save themselves from the challenge of lack of food against population growth and to seek solutions, ...
Abstract: Drought stress is one of the most important factors limiting the growth of agricultural plants, which adversely affects crop yield. One of the methods that have been used in recent years to deal with dehydration and drought stress in many plants is the use of useful microorganisms such as mycorrhizal fungi. Mycorrhizal fungi with extensive hyphal network and increased ...