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Number of pages: 147 Category: Chemical - Petrochemical Engineering

A master's thesis in the field of chemical engineering, abstract of the laboratory study and modeling of calcium carbonate production from calcium chloride solution by absorbing carbon dioxide from industrial exhaust gases, by the efforts of Amin Alamdari, the effect of carbon dioxide concentration on the precipitation of calcium carbonate species and the kinetics of calcium ...

Number of pages: 124 Category: Facilities - Mechanics

Master's Thesis, Energy Conversion, Abstract: In this project, we will numerically investigate a stable gas flow in a microchannel with a rectangular cross-section. The flow with a certain temperature enters the channel with a constant temperature wall. Momentum and energy equations are discretized and solved numerically. Discretization has been done by FVM method and ...

Number of pages: 130 Category: Facilities - Mechanics

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 ...

Number of pages: 161 Category: Chemical - Petrochemical Engineering

Thesis for Master's Degree in Chemical Engineering Today, creating a safe environment in which all harmful factors are identified, evaluated, eliminated or controlled in order to guarantee the health of people and facilities is one of the priorities of industrial management. Safety science has also been reactive like the traditional approach to safety, that is, managers did not ...

Number of pages: 66 Category: Electrical Engineering

Dissertation for master's degree in the field: Power Electrical Engineering Abstract Due to the extent and complexity of distribution networks, the probability of an accident occurring in them is very high, and the occurrence of an accident can affect many subscribers. Therefore, reliability is one of the key parameters determining the success rate of the system in providing ...

Number of pages: 90 Category: Management

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 ...

Number of pages: 95 Category: Chemical - Petrochemical Engineering

Master's thesis in the field of chemical engineering (simulation and process control) abstract design of the control system for the fluidized bed reactor for the production of linear light polyethylene of the LLDPE unit of Jam Petrochemical under the license of Basel and Spherilene technology with an annual production capacity of 300,000 tons of product is one of the largest ...

Number of pages: 142 Category: Chemical - Petrochemical Engineering

M.Sc. Dissertation for Master Degree in Chemical Engineering - Process Engineering Abstract Mercaptans are removed from hydrocarbon streams by various methods. The use of caustic soda solution and mucoli sieve beds are among the most widely used methods. In the oil and gas industries of our country, washing with relatively dilute caustic solution is often used to remove light ...

Number of pages: 158 Category: Chemical - Petrochemical Engineering

Dissertation for Master's Degree in Chemical Engineering Abstract Paying attention to the issue of safety in industrial and chemical facilities is very important. According to the statistics, the amount of human, economic and environmental damages caused by industrial accidents every year in the world is very high. In addition, some of these damages are basically irreparable. ...

Number of pages: 103 Category: Chemical - Petrochemical Engineering

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 ...

Number of pages: 99 Category: Chemical - Petrochemical Engineering

Dissertation to receive a master's degree in the field of chemical engineering, thermokinetic orientation. Abstract With the increase in the use of fuel cells in the industry and as an on-site application, there is a need to develop production units on the site of hydrogen. In this research, a monolithic catalytic reformer in which autothermal reforming of methane takes place is ...

Number of pages: 132 Category: Chemical - Petrochemical Engineering

Master's thesis in the field of chemical nanoengineering Abstract: Fabrication of ceramic nanofiltration membrane for chloride ion separation (case study: gas condensate) In this research, chloride ion separation using alumina-titania double layer nanofiltration membrane has been investigated. For this purpose, first, the alumina-titania double-layer membrane is made based on ...

Number of pages: 52 Category: Biology - Environment

Dissertation for master's degree in the field: Power Electrical Engineering Abstract Due to the extent and complexity of distribution networks, the probability of an accident occurring in them is very high, and the occurrence of an accident can affect many subscribers. Therefore, reliability is one of the key parameters determining the success rate of the system in providing ...

Number of pages: 172 Category: Industrial Engineering

Dissertation for receiving the master's degree ""M.Sc."" Direction: Process Engineering Abstract In this research, quantitative assessment of risk caused by process accidents, such as leakage The process equipment, including flanges and valves, which may occur in the gas pressure boosting station of Ramsar city, has been investigated. This evaluation is based on the collected ...

Number of pages: 86 Category: Chemical - Petrochemical Engineering

Dissertation for M.Sc Master's degree, specialization: process engineering, abstract of the proposed project, the feasibility of converting gas condensates into products with higher added value and consumable fuels such as gasoline. Considering the huge gas and oil reserves in Iran, this country is one of the major importers of gasoline. Therefore, it is very necessary to ...

Number of pages: 133 Category: Biology - Environment

Master's Thesis in Electrical Engineering - Renewal Abstract The trustees of distribution systems, as the last link in the chain of electricity supply to subscribers, face problems in their long-term decisions. Paying attention to electricity markets and rates affected by the performance of electricity market players challenges distribution companies, which are responsible and ...

Number of pages: 200 Category: Biology - Environment

Dissertation for M.Sc., Energy Systems Engineering - One of the most important issues related to the environment in the oil, gas and petrochemical industries is the proper disposal of waste hydrocarbon gases in industrial units and complexes. One of the most common methods available for the safe disposal of these gases is burning them in flares and releasing them into the ...

Number of pages: 146 Category: Facilities - Mechanics

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 ...

Number of pages: 65 Category: Industrial Engineering

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

Number of pages: 120 Category: Geography - Urban Planning

Dissertation for master's degree in the Department of Geography and Urban Planning Abstract One of the phenomena that today's cities, especially large cities, are facing is the phenomenon of high-rise construction. The rapid and uncontrolled growth of the population in cities and the consequent need for housing on a large scale, on the one hand, and preventing the horizontal ...

Number of pages: 142 Category: Management

Dissertation for Master's Degree (M.A) in Business Administration, Financial Orientation Abstract Since its introduction, the RBI method has found its place at the level of international oil, gas and petrochemical companies, and many studies have been conducted in this regard. So far, few researches have been conducted in the country about risk-based assessment and management, ...

Number of pages: 102 Category: Economics

Chapter 1 Introduction and Generalities 1-1 Introduction Since long ago, humans have been thinking about the effective and useful use of their abilities, facilities and resources, but in today's industrial world, this is more than ever.

Number of pages: 105 Category: Management

Master's Thesis in Public Administration - Financial Management, Abstract: In the past years, the trend of electric energy consumption has been increasing due to national growth and development, until the amount of fossil fuels consumed, natural gas and petroleum products, was equal to 385.5 barrels of crude oil in 2013. Of this amount, 306.1 barrels of crude oil have been ...

Number of pages: 0 Category: Management

Dissertation for Master of Business Administration, Financial Orientation (M.A.) Abstract Since its introduction, the RBI method has found its place at the level of international oil, gas and petrochemical companies, and many studies have been conducted in this regard. So far, few researches have been conducted in the country about risk-based assessment and management, and the ...

Number of pages: 108 Category: Management

Dissertation for Master's Degree (M.A.) Direction: ""Domestic Business"" Introduction in Management Science To increase the performance of employees of an organization, various strategies have been proposed, such as increasing job satisfaction, applying continuous monitoring and implementing incentive and punishment programs, and other cases. In addition to the above solutions, ...

Number of pages: 88 Category: Electronic Engineering

The master's thesis in the field of power. Abstract Control of scattered productions and their planning is one of the important issues of power systems operation. The purpose of this issue is to minimize the cost of operation and pollution and to supply cargo by observing the operation restrictions. The increase in the desire to use renewable resources and the move towards the ...

Number of pages: 96 Category: Management

Dissertation for receiving a master's degree, field: business management, orientation: internal. Brand performance shows the success of a brand in the market, and it has been measured in many ways and from different perspectives. Available studies show that about 70% of the company's revenues can be attributed to the brand. Therefore, organizational performance and brand ...

Number of pages: 166 Category: Management

Master of Business Administration Abstract The future of the world in the 21st century is full of competition, the development of emerging markets, uncertain environmental factors, the spread of superior technologies and the expansion of business. The condition for success in this field is to take advantage of the strengths and opportunities and face the weaknesses and ...

Number of pages: 140 Category: Electronic Engineering

Master's Thesis of Electrical Engineering - Power Abstract The discussion of repairs in any system, including the power system, is of special importance. In the traditional structure of the electricity industry, repairs related to the generation and transmission sectors are both carried out by the network operator. With the restructuring of the electricity industry, the repair ...

Number of pages: 122 Category: Electronic Engineering

Abstract The reduction of fossil fuel resources, adverse environmental effects and low efficiency of traditional power grids have increased the desire to produce electricity near the load and the level of the distribution network using renewable sources. One of the basic solutions to solve the problems raised is the use of microgrids. A set of small sources of energy production ...

Number of pages: 100 Category: Electronic Engineering

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 ...

Number of pages: 193 Category: Electronic Engineering

Master's Thesis Electricity- Pollution power of big cities has become an acute issue for years. Expert research shows that the main cause of pollution in cities are cars with internal combustion engines. Combustion vehicles have many disadvantages, among which we can mention things such as dependence on a specific type of energy (oil), production of greenhouse gases, production ...

Number of pages: 56 Category: Chemical - Petrochemical Engineering

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 ...

Number of pages: 143 Category: Management

Master's Thesis in the field of industrial management - production trend Abstract Among the topics that have long been faced by the decision makers and policy makers of the electricity industry in many countries of the world, the thinking of restructuring this industry is in accordance with the process of increasing efficiency and competition in other industries. Iran's ...

Number of pages: 107 Category: Electrical Engineering

Master's Thesis Field: Electric Power Abstract: In this thesis, a new framework is presented for the planning and development of the participation strategy of virtual power plants in the energy and storage markets. According to the definition, a virtual power plant is a set of small-scale production units with a covered load and network managed by a certain entity. Dispersed ...

Number of pages: 125 Category: Biology - Environment

Master's Thesis in Electrical Engineering (M. S. C) Major: Power Abstract At present, fossil resources are rapidly running out, and with increasing concern about air pollution and global warming, experts are thinking of using cleaner energy sources and more compatible with the environment. Among these, wind power and solar energy are two types of huge renewable energy sources. ...

Number of pages: 107 Category: Electrical Engineering

Master's Thesis in Electrical Engineering, Power 1-1 Introduction Energy supply sources in the last few decades have been from fossil sources, which until recently have been obtained almost cheaply. Cheap energy sources caused that the optimal use of energy and energy recycling were practically not paid much attention. Due to the energy shortage crisis and the sense of danger ...

Number of pages: 118 Category: Chemical - Petrochemical Engineering

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 ...

Number of pages: 148 Category: Chemical - Petrochemical Engineering

Thesis of the master's degree in the field: chemical engineering, abstract. In designing the network of heat exchangers, the designer usually considers high operational flexibility in the presented plan. However, some of the changes that occur in the operating conditions of the process after the design, determine the need to modify the existing network. The purpose of the ...

Number of pages: 109 Category: Health - Health

Dissertation for Master's degree in Healthcare Management Abstract: Introduction: Energy resources are considered one of the most important sources of service in the hospital. The purpose of this research was to compare the amount of energy consumption before and after the implementation of the targeting plan of subsidies in the hospitals of the Ilam Institute of Medical ...

Number of pages: 97 Category: Chemical - Petrochemical Engineering

Master's Thesis Abstract In this project, the coat cracker unit of Abadan refinery has been simulated using Hysys refinery software. In simulating and receiving information, feed properties and solving mass and energy balance equations have been used. Simulation data and operational data of Abadan Cat Cracker unit have been compared. Also, by changing some important operational ...

Number of pages: 124 Category: Electrical Engineering

Dissertation for Master's Degree in Power System Abstract: The trend of reducing fossil fuel resources, adverse environmental effects and low efficiency of traditional power grids has increased the tendency to produce electricity near the load and the level of the distribution network using renewable sources. One of the basic solutions to solve the problems raised is the use of ...

Number of pages: 147 Category: Electrical Engineering

Master's Thesis of Electrical Engineering - Power Abstract The discussion of repairs in any system, including the power system, is of special importance. In the traditional structure of the electricity industry, repairs related to the generation and transmission sectors are both carried out by the network operator. With the restructuring of the electricity industry, the repair ...

Number of pages: 71 Category: Food and Packaging Industries

Dissertation for Master's Degree in Food Science and Engineering, Food Microbiology, Abstract: Today, the increase in environmental pollution and the decrease in oil resources have led to the development and replacement of biodegradable packaging instead of packaging derived from petroleum resources. Also, in this regard, the use of antimicrobial compounds such as silver ...

Number of pages: 190 Category: Electrical Engineering

Master's Thesis Electricity- Pollution power of big cities has become an acute issue for years. Expert research shows that the main cause of pollution in cities are cars with internal combustion engines. Combustion vehicles have many disadvantages, among which we can mention things such as dependence on a specific type of energy (oil), production of greenhouse gases, production ...

Number of pages: 184 Category: Biology - Environment

The thesis for obtaining a master's degree in natural resources-environmental engineering is an abstract of the ecological system, a comprehensive and interconnected system, and human actions are a combination of large, small and repetitive activities. What is certain is that every human decision and action affects the environment, in other words, human activities, both small ...

Number of pages: 107 Category: Electronic Engineering

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 ...

Number of pages: 119 Category: Electrical Engineering

Dissertation for M.Sc. Electrical Engineering - Control Abstract Considering the high consumption of petrochemical products in the world today and Iran's high potential for the development and supply of petrochemical feedstock, petrochemical complexes are of special importance. Therefore, one of the important reactions called acetylene hydrogenation has been investigated and ...

Number of pages: 84 Category: Animal Husbandry - Poultry Farming

- Introduction Among herbivorous domestic animals, ruminants have a great contribution in food supply and human health. On the one hand, nutrition has played a major role in the economic and functional efficiency of these animals, so that almost two-thirds of the total cost of animal production in different livestock breeding units is allocated to feed costs, and on the other ...

Number of pages: 99 Category: Electrical Engineering

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 ...

Number of pages: 90 Category: Biology - Environment

Master's Thesis of Energy Systems Optimization of Steam Network in Shiraz Oil Refining Company, the costs of power supply and required power of operational processes take up a significant part of the financial resources and costs of every industrial complex, and the continuous supply of required energy is always one of the main concerns of industrial designers and managers. The ...

Number of pages: 82 Category: Electrical Engineering

Master's Thesis in Electrical Engineering (M. Sc.) Power Orientation Abstract - Nowadays, due to environmental and economic reasons, the trend of using renewable energies, especially wind turbines, to produce electricity has increased in different countries of the world. On the other hand, the production power of wind turbines depends on the wind speed, and due to the ...

Number of pages: 124 Category: Chemical - Petrochemical Engineering

Master's Thesis in Energy Systems Abstract Crude oil distillation unit is one of the most important and critical operational units of any refinery. This unit often requires revision in the design of the structure (Revamping) or making small changes in its existing condition without the need to reduce or increase the basic process devices (Retrofitting) in order to achieve higher ...

Number of pages: 152 Category: Facilities - Mechanics

Master's Thesis on Energy Conversion Abstract: Increasing heat transfer as well as increasing the efficiency of energy storage systems due to the limitation of natural resources and with the aim of 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. ...

Number of pages: 68 Category: Facilities - Mechanics

Dissertation for M.Sc degree, specialization: manufacturing and production, abstract in this thesis, how to improve the properties of plastics with the help of heat treatment. First, we will talk briefly about polymers, plastics and their sub-branches and heat treatment on them, and then we will discuss the effect of annealing heat treatment on heavy polyethylene sheets that are ...

Number of pages: 78 Category: Electrical Engineering

Dissertation for obtaining a master's degree in the field of electrical engineering - power orientation. Abstract In this thesis, a new method for planning the maintenance and repair of production units in restructured environments is presented. In the traditional environment with a vertical structure, the system operator determines the maintenance schedule to maintain ...

Number of pages: 225 Category: Chemical - Petrochemical Engineering

Dissertation of the Ph.D course in Chemical Engineering, Biotechnology, Abstract: Clostridium Langali is a highly anaerobic estogenic bacterium that can grow on synthesis gas components, i.e. CO and H2/CO2, and convert them into ethanol and acetate at ambient temperature and pressure. During this process, the bacterium shows a complex metabolic pathway that includes both ...

Number of pages: 79 Category: Electrical Engineering

Dissertation for obtaining a master's degree in the field of electrical engineering - power orientation. Abstract In this thesis, a new method for planning the maintenance and repair of production units in restructured environments is presented. In the traditional environment with a vertical structure, the system operator determines the maintenance schedule to maintain ...

Number of pages: 127 Category: Management

Field: Executive Management Fall 2019 Abstract: The purpose of this research is to investigate the relationship between organizational justice and job performance of employees of Ardabil gas company. Organizational justice, the role of fairness and especially the perception of fairness in the environment

Number of pages: 172 Category: Management

Thesis for obtaining the master's degree (M.A.) (Trend: Human Resource Management Winter 1391 Abstract: Naza University

Number of pages: 142 Category: Management

The generalities of the research Introduction Today, human resources are considered the main capital of the organization. Organizations, despite having competent and worthy human resources, need the necessary ability to use these resources. In fact, by relying on the performance of employees and human capital management and providing scientific and practical methods, ...

Number of pages: 152 Category: Industrial Engineering

Dissertation for receiving the master's degree ""MA"" Field of industrial engineering: industries – Winter Industries 2013 Abstract Today attention is paid to the issue of supply chain and its management, in Asr

Number of pages: 110 Category: Economics

Dissertation for Master's Degree in Economic Sciences 2018 Abstract Economic schools have different theories regarding the effect of monetary policies on the real variables of the economy. But all of them have a relationship

Number of pages: 85 Category: Computer Engineering

Master's Thesis in Computer Engineering Abstract: In recent years, due to the growing number of requests and the joining of new customers to the world of computing, computer systems Computing should also change and be more powerful and flexible than before. In the meantime, cloud computing was presented as a model beyond a system that currently has the ability to respond to most ...

Number of pages: 176 Category: Management

Academic thesis for obtaining a master's degree in the field: business management, orientation: transformation, re-engineering and organizational architecture are comprehensive plans for the current and future description of the structure and behavior of processes, information systems, personnel and organizational units, and in fact, they seek to align them with the goals and ...

Number of pages: 115 Category: Management

Dissertation for the Master's degree ""MsC."" Orientation: Human Resource Management Abstract The objectives of this research include identifying the relationship between ergonomic principles and stress in Shahroud Gas Company, which includes 4 sub-goals as follows 1- Identifying the relationship between occupational biomechanics and stress 2- Identifying the relationship ...

Number of pages: 118 Category: Management

Dissertation for receiving the master's degree ""M. A"" Field: Management, Tendency: Human Resources, abstract is a general concept of servant leadership types in the management group, that this type of leadership can be the basis for classifying and evaluating the characteristics of servant leadership in the organization, which helps managers. Currently, the research and study ...

Number of pages: 118 Category: Electronic Engineering

Dissertation for obtaining a master's degree in the field of electrical-power engineering. Abstract: In recent years, attention to high productivity and efficiency in various industries has rapidly expanded the scope of application of power electronic equipment. These equipments have increased power quality problems in distribution networks due to their non-linear ...

Number of pages: 51 Category: Electrical Engineering

Dissertation for master's degree in the field of electrical engineering, power orientation. Abstract In this thesis, a new method for the optimal location of power plants has been discussed in order to simultaneously optimize the development of production and network. In the considered optimization problem, the goal is to choose the type and capacity of new power plants and the ...

Number of pages: 120 Category: Electronic Engineering

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 ...

Number of pages: 119 Category: Electrical Engineering

Master's Thesis in Electrical Engineering. M.Sc. Major: Power. Abstract: In recent years, two major developments have occurred in power systems. One of these changes is related to the restructuring of the electricity industry and the transformation of the traditional centralized environment into a decentralized one. Another development is in the field of expanding the use of ...

Number of pages: 129 Category: Management

Dissertation for Master's Degree in Industrial Management - Industrial Production Abstract Currently, the ever-increasing complexity and dynamism of production environments, the use of analytical models in their evaluation and decision-making has faced significant limitations. Therefore, the use of computer simulation as a tool that has a wide capability in formulating the above ...

Number of pages: 110 Category: Art - Graphics

Abstract Glass making is one of the ancient arts of Iran, and the production of glass works is considered a significant part of the handicrafts of our country. The production of art glass in Iran has been based on its most original method, i.e., foot glass making, as well as some other methods, such as glass fusion, glass melting, etc. Unfortunately, in the past few years, glass ...

Number of pages: 144 Category: Management

Dissertation for receiving a master's degree in the field of executive management in the field of marketing Abstract Development of technology is one of the most important features of the new era. E-government means the adoption of technologies by the government in order to increase the efficiency and productivity of public services, and identifying obstacles is one of the ...

Number of pages: 128 Category: Management

Master's thesis in the field of public administration, human resources orientation. Abstract This research was conducted with the aim of investigating the relationship between servant leadership and organizational trust and employee empowerment in Gas Company of Mazandaran province. The statistical population in this research is 459 employees of Mazandaran gas company and the ...

Number of pages: 185 Category: Management

Dissertation to receive a Master's degree (M.Sc) domestic orientation research abstract: Today, most organizations have realized that improving the quality of goods and services is a necessary and necessary condition for survival and presence in the market and global competition. ""ISO"" includes requirements for establishing, establishing, implementing and maintaining the ...

Number of pages: 134 Category: Electronic Engineering

Master's Thesis of Electrical Engineering - Restructuring Abstract The trustees of distribution systems, as the last link in the chain of electricity supply to subscribers, face problems in their long-term decisions. Paying attention to electricity markets and rates affected by the performance of electricity market players challenges distribution companies, which are responsible ...

Number of pages: 113 Category: Biology - Environment

Dissertation for receiving a Master's degree (M.Sc.) specialization: Environment Abstract Gaseous liquids obtained from the refining of sour gases are also sour and contain a large percentage of hydrogen sulfide and mercaptans. Therefore, after distilling and preparing the products, it needs refining processes to remove or reduce the amount of sulfur and mercaptans present. ...

Number of pages: 111 Category: Biology - Environment

Dissertation to receive the master's degree ""M.Sc. Orientation: ""Biochemical Engineering"" Abstract: The presence of sulfur compounds in gasoline creates a serious problem in air pollution, environment, corrosion of equipment and destruction of human health. The new environmental standards also impose strict limits on the amount of sulfur and aromatic compounds in gasoline. ...

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, ...