Download more than 100 examples of thesis, proposal and project topics about absorption refrigeration cycle in editable WORD file format at undergraduate, graduate and doctoral levels for use and reference in research, articles, theses, student and academic projects.
Dissertation for Master's degree (M.Sc) orientation: energy conversion. Abstract In this research, a study on irreversible absorption refrigeration systems based on internal and external irreversibility is presented with regard to the limited thermal capacities of external tanks. To optimize the system, three scenarios were defined, in which objective functions such as ...
Master's Thesis in Energy Systems Abstract In recent years, the possibility of using solar energy for cooling and dehumidification has occupied the human mind. Solar absorption cooling systems (Solar Absorption Cycles) have advantages such as not being environmentally dangerous and low energy consumption, especially during electrical peak hours. In addition, since the cost of ...
Dissertation for M.A. Master's Degree, Business Orientation Abstract In order to deal with environmental threats and take advantage of possible opportunities, organizations have to know their internal capacities and abilities, find their weaknesses and strengthen their strengths. In such a situation, organizations are successful and successful that can improve the field of ...
Presented to graduate education management as part of the academic activities required to obtain a master's degree in the field of mechatronics. Abstract As you know, air conditioner is a high consumption device and has a Freon refrigeration cycle. What drew the companies to the production of inverters was to solve the shortcoming of air conditioners in high energy consumption. ...
Master of Mechatronics Abstract As you know, the air conditioner is a high consumption device and has a Freon refrigeration cycle. What drew the companies to the production of inverters was to solve the shortcoming of air conditioners in high energy consumption. To improve energy consumption in every part of the industry, one should pay attention to several parameters, it is ...
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 ...
Dissertation for receiving a master's degree in the field of structural oriented civil engineering, 2013, although the construction and design methods of structures have expanded over the years, but still the effect of earthquakes is one of the most important.
Dissertation for Master's Degree (M.A.) Orientation: Industrial and Organizational The Impact of the Psychological Atmosphere Governing the Organization and Core Self-Evaluations on the Work Enthusiasm of Gar Miankoh Company's Employees Abstract This research was carried out with the aim of investigating the impact of the psychological environment governing the organization and ...
Dissertation to receive the master's degree ""M.S.c"" specialization: Textile chemistry and fiber science Abstract: One of the important processes in the completion of textile goods is the underhand improvement in textiles. Finishing the softener provides a desirable softness to the fabric and improves its properties, and the main goals of the softener are to reduce static ...
Dissertation for receiving a Master's degree (M.Sc.) major: environment - statement of the problem With the invention of the steam engine, mankind moved from the stage of pastoral and agricultural economy to the era of the industrial revolution. With industrial development, the traditional fabric of societies was transformed, cities expanded and villages lost prosperity due to ...
Master's Degree in Physical Education (Sports Physiology) Abstract Objective: The aim of the research was to determine the time-dependent effect of short-term intense interval training on the dynamics of oxygen absorption in girls. Methodology: For this purpose, 40 female students of Arak University with an average age of 25 ± 5 years, weight 54.30 ± 10.390 kg and height 162.5 ± ...
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 ...
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 Field: MBA Abstract About two-thirds of the world's energy is consumed in cities. Along with the many solutions that have been provided to reduce the energy demand, some technologies and researches have also been aimed at optimizing the energy supply. The technology of simultaneous production of electricity and heat is among the technologies that have been ...
Dissertation for receiving a master's degree (Sc..M) field: civil engineering, specialization: structure, abstract: In recent years, the subject of seismic isolation has been particularly focused on the seismic design of buildings. The main purpose of this work is to isolate the structure from the ground instead of using conventional retrofitting methods The equipment used in ...
Master's Thesis in Nano Chemical Engineering Abstract The aim of this study is to separate cationic polyacrylamide from the waste water of Prodeh Tabas coal washing plant using the polymer membrane filtration process. The primary membrane was prepared using polyacrylonitrile (PAN) by phase inversion process, and then they were prepared using hydrolysis as chemical modification ...
Master's Thesis of Chemical Engineering Abstract In the last few decades, due to the growth of the population as well as the improvement of living standards, the consumption of fibers and the production of textile waste materials have increased greatly. Burial and burning are one of the main ways of managing textile waste materials, which have destructive environmental effects. ...
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 obtaining a master's degree in the field of chemical nanoengineering Abstract In the uranium enrichment unit by centrifuge, UF6 gas after passing through the centrifuge and performing the enrichment process, enters the cold trap and is solidified and collected at a low temperature. One of the absorbents used to absorb uranium hexafluoride is sodium fluoride. The ...
Thesis for master's degree in the field: chemical engineering Abstract Hard polyurethane[1] is always considered one of the most effective and practical polymers in various industries, especially the coating industry. Excellent adhesive property, curing ability at ambient temperature and corrosion resistance of this polymer are some of its remarkable features. This study was ...
Master's Thesis in Chemical Engineering Abstract: The purpose of this thesis is mathematical modeling of rotary dryer for drying dicalcium phosphate. In this project, with different temperature conditions and different number of cycles of the dryer, the moisture level of the product exiting the dryer has been checked. As a result, 100 data have been obtained from the output of ...
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 ...
In order to obtain a master's degree in the field of mechanical engineering, energy conversion, abstract: In this thesis, the mass and heat transfer by integral method in the flow of natural displacement of a fluid with a very low frontal near the wavy inclined wall and under the magnetic field has been investigated. The wall is permeable and as a result, the fluid can be sucked ...
Food Science Engineering Thesis for receiving the master's degree ""M. Sc"" Abstract Nitrate, nitrite and ascorbic acid are present in a wide range of foods. Vegetables are an important source of nitrate, nitrite and ascorbic acid absorption in the diet. The purpose of this research is to investigate the effect of frying and boiling process on the amount of nitrate, nitrite and ...
Dissertation for Master's Degree in Food Science and Engineering. Abstract Every year, millions of tons of plastic waste, including bags, plastic envelopes, and packaging materials, enter the environment and cause problems to the environmental cycle due to their irreversibility, and as a result, the need for degradable plastics in nature is increasing day by day. Today, the ...
Dissertation for Master's Degree in Electrical-Electronic Engineering (M.Sc) Abstract Sulfur recovery process by Klaus method is one of the most common methods of separating elemental sulfur from acid gas resulting from the sweetening process in gas and oil refineries. But due to the complexity of this process and the multivariable nature of the reaction furnace and the lack of ...
Master's thesis in the field of mechanical engineering, energy conversion trend. Abstract: Considering that heat transfer is widely used in various fields of science, it is necessary to use wide recessed or raised surfaces due to physical and spatial limitations in electrical systems. The main purpose of using these surfaces is to increase heat transfer by increasing the ...
Dissertation for M.Sc. Degree: Food Industry 1.1 Introduction Along with the increase in population, the demand for food has also increased and this has caused the excessive use of chemical and organic fertilizers to increase crop production (Ardkani et al., 2005). Vegetables are rich in vitamins, minerals and antioxidant compounds, whose anti-cancer properties have been proven ...
Dissertation for Master's Degree in Mechanical Engineering Field: Applied Design Abstract In this thesis, stability analysis of composite beam reinforced with carbon nanotubes on elastic support under axial force is investigated. The distribution of nanotubes is assumed to be uniform[1]. To determine the properties of materials reinforced with nanotubes, the results of molecular ...
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, Energy Conversion, Abstract: Thermal energy storage and phase change materials for use in heating and cooling systems of buildings has become an important issue in the last 20 years. When there is a mismatch between energy production and its consumption time, the issue of energy storage becomes important. In the present work, the fluid ...
Dissertation for M.Sc degree, major: food science and technology. Abstract To conduct this research, samples of spinach (Damghan), tomato (Dezful), lettuce (Varamin), celery (Tehran), zucchini (Gorgan), eggplant (Qasrshirin) were purchased from Damghan market in June 2013. Nitrate, nitrite and ascorbic acid concentrations were measured in the edible parts of each sample. The ...
Dissertation for obtaining a master's degree in agriculture (M.Sc) Major: Agriculture Abstract: This split factorial experiment was carried out in the form of random complete blocks in 3 replications in Karaj city (agricultural engineering town) at the end of March 2012 in Karaj. This experiment includes 3 factors, irrigation in 2 levels (rainy conditions and supplementary ...
Master's Thesis on Car Structure and Body Abstract In recent years, many researchers have allocated their attention to a special category of materials, memory materials. The ability to absorb and control vibrations actively or passively, respectively, is affected by the features of shape memory and hysteresis energy loss caused by the pseudo-elastic characteristics of these ...
Master's Thesis in Mechanical Engineering - Energy Conversion Abstract The vortex tube is a simple mechanical device that has no moving parts and is one of the equipment used in the refrigeration system, in which a high-pressure fluid enters the vortex tube through the inlet nozzles and splits into two streams with a lower and higher temperature than the inlet temperature, thus ...
Dissertation for receiving the master's degree (M.A.) public management, human resources orientation, summer 2019, abstract knowledge in today's advanced world of organizations, is rapidly becoming a competitive advantage.
Master's Thesis of Mehr Department of Technical and Engineering Faculty ???? Abstract: In some countries, including Iran, motorcycles and their riders are a non-essential part of traffic and as a result, they are safe.
Dissertation for Master's Degree (M.A.) Direction: Accounting Abstract Today, with the increasing acceleration of changes in the internal and external factors of organizations, the need to increase flexibility against changes is absolutely necessary, so the purpose of this research is to investigate the relationship between financial flexibility and cash policies with an ...
Dissertation for Master's Degree in Accounting Major: Accounting Abstract: Profit smoothing is defined as the effort applied by management to reduce abnormal changes in profit in terms of accounting principles. In this research, the relationship between profit smoothing and information asymmetry in the life cycle of business units has been investigated and measured. In order to ...
Dissertation for Master's Degree (M.Sc.) Field: Accounting Abstract: The purpose of this research is to investigate the relationship between profit management and information asymmetry with regard to the life cycle of the company in companies listed on the Tehran Stock Exchange. For profit management using the modified Jones model (Dichu et al., 1995), the information asymmetry ...
Academic certificate for obtaining a master's degree, field: public administration, specialization: human resources. Abstract: The purpose of this research is to investigate the role of knowledge absorption in innovation, flexibility, and agility of the units of Gilan Central Broadcasting Organization. Considering the importance of acquiring information in today's competitive ...
Master's thesis in the field of civil engineering ""M.Sc. » Orientation: Engineering and Construction Management Abstract: The main goal of this research was to determine the prioritization of the most important factors affecting the productivity of human resources in the implementation phase of the life cycle of urban construction projects. After the investigations, 100 factors ...
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 ...
Master's thesis in the field: Chemical Engineering Abstract In this research, a comprehensive two-dimensional model based on the Finite Element Method (FEM) is proposed for modeling gas-solvent membrane contactors to remove carbon dioxide[1] from synthesis gas. Aqueous solution of monoethanolamine has been used as absorbent solvent stream and CO2/N2 gas mixture as gas stream. ...
Dissertation for Master's Degree in Sports Physiology Abstract: Title: The effect of menstrual cycle on selected factors of physical fitness in non-athletic high school female students Background and purpose: Women face special conditions during their life, one of them is menstruation. Cycles that repeat every 28 days and have three phases: luteal, follicular and bleeding. Some ...
Dissertation for receiving a master's degree in applied chemistry, Persian abstract. In this research, graphite particles were converted to graphene oxide by Hammer's method. Graphene nanoparticles are one of the best and most effective absorbent materials that have been produced so far. Graphene is one of the successful allotropes of carbon in the field of drug absorption and ...
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, ...
Dissertation for Master's Degree in Mechanical Engineering-Energy Conversion Abstract The goals of this project include providing a solution for calculating the calorific value of waste based on the knowledge of the composition of waste and also proposing a combined cycle of waste incinerator power generation using the cold energy recovery of liquefied natural gas along with the ...
Dissertation for Master's Degree in Energy Systems Engineering Abstract Currently in Iran, there are many gas turbines producing electrical energy whose efficiency is around 30% to 40% depending on the environmental and functional conditions, in fact two thirds of this energy from fuel combustion is wasted through exhaust fumes and thermal waste. In order to increase the ...
Master's Thesis for Master's Degree Abstract Carbon nanotube can be considered the most amazing nanostructured material discovered so far. Unique features such as high strength, light weight, and high energy absorption capability have made this material recently attracted the attention of scientists in making bulletproof vests. In this thesis, a structural model in the Abaqus ...
Dissertation for Master's Degree in Food Science and Technology, Technology Orientation Abstract: Today, due to cultural and social changes, the pattern of food consumption in the world is changing and the demand for ready-made foods is increasing. Based on this, dough-coated products such as nuggets are very popular due to their desirable sensory characteristics. Chicken ...
Abstract: The main purpose of this research is to examine the relationship between institutional investment and company value in each stage of the life cycle. In this research, the value of the company is considered as a dependent variable and the level and concentration of institutional investment is considered as an independent variable so that the value of the company is ...
Master's Thesis of Energy Conversion Mechanical Engineering Abstract In recent years, due to the importance of finding energy, global warming and environmental pollution and its production sources, and the growing need of various industries for various forms of energy, as well as the large volume of its consumers around the world, the need to provide models to optimize energy ...
Abstract: Considering the reduction of underground water resources and fossil fuels in today's world and also in Iran, prevention of energy waste and introduction of new methods in the preparation of potable fresh water from sea water will have a special place in the future world. Using methods such as evaporation-distillation methods can be one of these methods. Due to the high ...
Dissertation for Master's Degree in Agricultural Engineering (M.Sc) Major: Food Science and Industry Abstract Diazinon is an organophosphorus insecticide and is widely used by farmers. This poison can easily find its way into food and exert its toxic effects on humans. Diazinon poison, like other organophosphorus poisons, inhibits some enzymes, especially acetylcholinesterase. ...
Dissertation for Master's Degree in General Psychology, Winter 2019. Abstract of the present research was conducted in order to investigate the effectiveness of emotion regulation training on the social competence of preschool children. In this research, an experimental design with an experimental and control group was used. The statistical population includes all preschool ...
Dissertation for Obtaining an M.A. degree in the field of educational management in the academic year 1393-1394. Abstract: Recently, a new concept has been proposed in the theoretical foundations of management, which is called organizational maturity.
Master's Thesis in Civil Engineering - Earthquake Engineering 1391 Abstract Structures with frames with coaxial braces are among earthquake resistant systems. These structures are widely
Department of Industrial Management Winter 2019 Abstract: The current research is about the mutual effect of supply chain management and customer relationship management in Esfrain Steel Company. In order to answer the research questions
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
Master's Thesis in Geophysics – Seismology 2019 introduction of spectral acceleration maps by probabilistic method for Iran in the range of 44-54 geographic longitude and 40-26-5 geographical latitude based on the analysis
Dissertation for obtaining a master's degree in civil engineering – Spring 2014 structure trend, first chapter, general research 1-1- Introduction: Mostly structures for severe earthquakes and surface acceptance
Dissertation for Master's Degree (M.A) in Business Management, Marketing Orientation, Winter 2013 Abstract In this research, the effect of key factors on the development of new products in carpet companies in Aran and
Master's Thesis in Budget and Financial Management, February 2019 Abstract In recent years, the country's banking system has become obsolete and overdue due to the significant growth in the rate of receivables
Thesis Management Group for M.A.” Shahrivar 1391, the abstract of banks is one of the institutions
Master's Thesis in Financial Management and Budgeting, September 2019, abstract according to the duties of the legislator to implement financial supervision in order to properly implement the budget and comply all payments with laws and regulations.
Master's Thesis in Civil Engineering - Earthquake Engineering March 2012 Abstract Reinforced soil is a special material that is created from the combination of soil and reinforcing member. Arming components resistant to N
Dissertation for receiving a master's degree. " M.Sc» Orientation: road and transportation winter 2013 Abstract Traffic analysis is a necessary and complex component Transportation systems
Dissertation of master's degree in the field: MBA management with marketing orientation Fall 2011 Persian Abstract: This research seeks to extract a model for selecting brand development strategies. In this research, S
Dissertation for receiving Master's Degree (M.A.) Field: Industrial Management (Production Orientation) Summer 1990 Abstract With the current progress of industries, the return and reuse of used products is one of the activities of May.
Master's Thesis of Information Technology Management (M.Sc) academic year 1389-1390 Abstract In order to study and predict the distribution pattern of economically important benthic fish, catch data of 10 species
Master's Thesis of Faculty of Art and Architecture, Department: Carpet (Painting), October 2013 Abstract: Today, in today's advanced and industrialized world, using new methods, it is trying to make Tul products
Master's Thesis in Civil Engineering - Structural Orientation, February 2013 Abstract: The performance of a building during an earthquake depends on many factors, as a result, predicting the seismic performance of structures should be considered either explicitly or implicitly as part of the design or evaluation. Predicting the seismic response of the structure is very ...
Thesis academic certificate for obtaining the master's degree Major: Architecture, architectural trend, February 2013 Abstract of the influential role of therapeutic spaces and the environment in general, in the behavior and mood of Mes children
The final research of the DBA strategic management course in Tir 1391 Abstract The purpose of this research is to determine the components of the development of the leather industry infrastructure and to develop a suitable model for the development of the leather industry infrastructure.
Abstract of the thesis for obtaining a master's degree in the field of executive management in May 2013, every year a huge amount of the country's national capital is consumed in the form of building construction projects and related industries, it is necessary
Master's Thesis in (Agricultural Economics Engineering) Winter 2013 Abstract: Drought is one of the major problems that Kerman province is facing. And in the last decade, it has gained critical dimensions
Master's Thesis in Accounting (MA) Abstract The purpose of this article is to investigate the relationship between investment sensitivity and cash flows with the level of capital expenditures. In this research, the financial information of 73 companies admitted to the Tehran Stock Exchange during the period from 1382 to 1391 has been examined (730 years - companies). 18SPSS ...
Master's Thesis in Family Counseling Abstract: The purpose of this research was to investigate the relationship between attachment styles and self-esteem with marital satisfaction of married students of Hormozgan University. To collect information related to hypothesis testing, Coppersmith's self-esteem questionnaires, Collins Veerd's adult attachment test, and Enrich's marital ...