Download the thesis about gas chromatography✅ Word Document

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 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 ...

Thesis for obtaining a master's degree. Abstract: The increase in environmental concerns and the progress of green chemistry processes have necessitated the replacement of homogeneous catalysts with heterogeneous ones. In this research, activated carbon was used as a suitable substrate due to its special properties. The most important of these properties are resistance in acidic ...

Master's thesis in the field of chemical nanoengineering Abstract The synthesis of silicon dioxide nanoparticles from silicon oil waste using the synthesis method of silicon dioxide nanoparticles [1] has many industrial applications. The industrial use of these particles in traditional fields as well as new fields is expanding, for which new applications are continuously found. ...

Doctoral Dissertation in Chemical Engineering Abstract With the increase in population, the need for energy resources for mankind has also increased. Diesel, as an effective fuel, fulfills the need for transportation fuel in the world. Biodiesel, which is considered a renewable fuel and produces less harmful environmental effects, is produced from various sources, among which ...

Dissertation for M.A. degree. ""Trend of Biotechnology"" Abstract Today, due to the reduction of fossil fuel sources and the destructive effects of these types of fuels on the environment, researchers are thinking of replacing them. In recent years, biodiesel fuel is considered the most suitable alternative to diesel fuel due to its renewable nature and less pollution. The ...

Master's Thesis in Food Safety and Health Abstract: Background: Essential oils and extracts obtained from medicinal plants with antimicrobial, anticancer and antioxidant compounds are of particular importance as new and natural medicinal compounds, both in the field of health and treatment of diseases and protection of raw and processed foods. Objective: To determine the ...

Dissertation for master's degree in chemistry and technology of essential oil Persian summary Yarrow genus in Iran has 19 species of perennial and often aromatic herbaceous plants, six of which are exclusive to Iran. Achillea filipendula with the Persian name of Zagros yarrow is one of the native species of this genus in Iran. Different parts of yarrow species are widely used in ...

Dissertation for receiving the master's degree ""M.Sc."" Chemical engineering trend, thermodynamic and synthetic engineering Abstract In this study, the modeling of dilute acid hydrolysis of walnut green skin as a sample of lignocellulosic material to produce fermentable sugar in the bioethanol process has been studied. The four parameters of temperature, time, acid ...

Dissertation for Master's Degree in Chemical Engineering Abstract According to reports, heterogeneous photocatalysts are suitable for photodegradation of polluting compounds. Many semiconducting metal oxides such as: TiO2, SnO2, ZnO2, etc. can be used as photocatalysts in water splitting reactions, synthesis of organic compounds and removal of wastewater pollution. synthesized ...

Dissertation for Master's Degree (M.Sc) Direction: Applied Chemistry Persian Summary According to international standards, the sulfur in the fuels used in the transportation industry, as one of the most important polluting industries, should be reduced to about 10 ppmw, while many refineries in the world produce fuels with a sulfur content of more than 1000 ppmw. One of the new ...

Master's Thesis in Polymerization Engineering Abstract In this research, the thermal and catalytic pyrolysis of four types of polymers such as heavy polyethylene and polypropylene and two styrene butadiene rubber and polybutadiene rubber in a semi-continuous stirred reactor under nitrogen gas and using HZSM-5, FCC and H-Mordenite catalysts has been investigated. In this study, ...

Persian summary of the cheese plant with the scientific name of Malva Ngalkata is native to Central Asian countries. In Iran, paneerak grows in different regions, including Kurdistan, Azerbaijan, Alborz, Tehran and Khorasan provinces. In traditional medicine, cheese plant has many therapeutic benefits and uses, such as reducing muscle and nerve pains, healing wounds, relieving ...

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 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 receiving a master's degree in the field of food industry engineering, specialization in food chemistry. The fruit of this plant is traditionally consumed in different regions of Iran. This fruit has very useful medicinal and edible properties. About 30% of the weight of the fruit is made up of its kernels. On average, the kernel of this fruit contains about ...

Dissertation for Master's degree (M.Sc.) specialization: research on thyme essential oil compounds in different phenology stages in Qargh region (case study: Bakhtegan Wildlife Sanctuary 2) Abstract Medicinal plants produce a large and diverse group of organic compounds called secondary metabolites, which are consumed by humans as medicinal compounds. The value of the global ...

Dissertation for receiving a Master's degree (M.Sc) major: food chemistry Summary Persian Iran is the main habitat of walnuts. Iranian walnut is an economically important species and has a lot of nutritional value. In this research, random walnut samples were collected from 100 walnut trees in two areas of Baghstan located in Tehran province and Erengeh located in Alborz ...

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

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

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 for Master of Social Sciences (M.A) Degree: Researcher Abstract Professional values ??are the basis of employees' performance, which guide employees' interactions with citizens, colleagues, other professionals, and the general public, and provide a framework for commitment to the welfare of citizens and guidance for ethical behavior in the provision of humanitarian ...

Dissertation for Master's Degree in Public Administration, Human Resources, Abstract: In today's competitive world, organizations are looking for ways to maximize the efforts of their employees, and one of the most important of them is to motivate employees to play more important roles in the organization. Ethics means observing the principles and values ??governing the ...

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 ...

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 ...

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 ...

Master's thesis in electrical engineering, control trend, abstract of new methods of identifying errors in systems, such as the use of qualitative analysis of events, can lead to tangible and understandable results for everyone. The gas turbine system is one of the systems in which there is a possibility of many errors. And sometimes even modeling them with mathematical methods ...

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 ...

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 ...

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 ...

Dissertation for Master's Degree in Mechatronics Engineering Persian Abstract The purpose of this project is to introduce a new approach for troubleshooting gas transmission pipelines using mechanical waves, which is much cheaper and easier than other methods. who are currently working. These lines are usually located in difficult environmental conditions and far away and in ...

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 ...

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. ...

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. ...

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, ...

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 ...

Abstract Gas hydrates are a group of solid host compounds that play an important role in many processes such as gas storage, transfer and separation, heterogeneous catalysis and water purification. These crystals are formed at a temperature higher than the freezing point of water and high pressure. There are different methods to calculate the free energy difference: 1) ...

Master's Thesis in Chemical Engineering (Gas Orientation) Abstract Laboratory Investigation of Gas Dehumidification Using Triethylene Glycol Solution in Hollow Fiber Membrane Contactors In this study, two hollow fiber membrane contactors with different types of Polyvinylidene Fluoride (PVDF) and Polypropylene (PP) fibers have been used for gas dehumidification by Triethylene ...

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 Master's Degree (M.Sc.) Field: Gas Processing and Transmission Engineering Abstract: Today, one of the problems in gas transmission lines is the gas hydrate phenomenon, which is a combination of light gases such as methane, ethane or carbon dioxide with water molecules under certain temperature and pressure conditions to form an ice-like substance that contains ...

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 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. ...

Chemical engineering master's thesis without preface today simulation in processes can be an important tool to solve problems in different industries. A new idea that should be done in the real world by trial and error with a lot of costs and risks can be simulated in the environment of a strong software and the results can be used. Simulation can also be used to check and ...

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 ...

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 ...

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 ...

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. ...

Dissertation for obtaining the master's degree ""M.Sc."" (Chemical Engineering - Thermodynamics and Kinetics) Abstract: Keywords: Computational fluid dynamics, bubble, continuity and failure, floating bed reactors, multiphase systems, vertical vertical flows, PBM, DQMOM, recently liquid gas floating bed reactors have received attention due to their wide application in chemical, ...

The master's thesis of precision instruments and automation in the oil industry. The introduction of the entire research is one of the important scientific, technical and economic topics, the issue of corrosion of metals and the protection of metal facilities. Investigating the topic of corrosion is not so simple and with all the research done, its factors are still not known ...

Dissertation for the degree of Doctor of Dentistry Abstract: Introduction: Oral and dental problems are one of the potentially life-threatening problems in patients undergoing chemotherapy with blood dyscrasias. This study was designed to investigate a new solution to improve health in these people. Implementation method: In this single-blind clinical trial, we randomly selected ...

Dissertation: To obtain a master's degree in neonatal special care nursing Abstract Introduction: Premature babies are subjected to many painful interventions during care and treatment, and nurses should use non-pharmacological methods without risk to prevent short and long-term complications caused by pain, so this study was conducted to determine the effect of swaddling on the ...

Master's Thesis in the field of power, power electronics, power electronics, abstract. Distributed generation power plants have a production capacity of several kilowatts to 10 megawatts, which are used to produce electric energy in places close to consumers. Among their types, we can mention solar cells, fuel cells, micro turbines, wind power plants, etc. If these power plants ...

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 ...

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 ...

Dissertation for the degree of Doctor of Medicine (MD) Abstract: Introduction: Gastroesophageal reflux is one of the most common diseases of the digestive system. Epidemiological studies show that the prevalence of this disease is very high in Iran. Previous studies show a prevalence of 9-12%. There are very few studies on the factors influencing the occurrence of this disease ...

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 ...

Dissertation for Master's Degree in Mechatronics Engineering Persian Abstract The purpose of this project is to introduce a new approach for troubleshooting gas transmission pipelines using mechanical waves, which is much cheaper and easier than other methods. who are currently working. These lines are usually located in difficult environmental conditions and far away and in ...

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 ...

Dissertation for Master's Degree in Physical Chemistry Abstract In this research, to evaluate the intermolecular potential energy level (IPS) of the F2-F2 system, the second virial coefficient of fluorine gas was calculated. The IPSs were obtained using the QCISD(T) level of theory and the cc-pVTZ-aug basis set. Calculations were performed in the temperature range of 100 to 600 ...

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 ...

Master's thesis in the field of genetics. Hypotheses: Considering that miR-21 is produced by gastric cancer tumor tissue more than healthy tissue, it is expected that its serum level is significantly higher in patients compared to control subjects, and this increase is related to the staging of gastric adenocarcinoma tumors in patients. Is miR-21 serum level a reliable marker ...

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 ...

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 ...

Master's Thesis on Automotive Powertrain Abstract In this thesis, which is presented under the title of turbocharger adaptation suitable for EF7 engine in order to improve volumetric efficiency, firstly, the history of the invention and use of turbocharger is discussed. Then, the naturally aspirated and turbocharged engine are compared, the result of which is to clarify the ...

Master's thesis in electrical engineering, control trend, abstract of new methods of identifying errors in systems, such as the use of qualitative analysis of events, can lead to tangible and understandable results for everyone. The gas turbine system is one of the systems in which there is a possibility of many errors. And sometimes even modeling them with mathematical methods ...

Master's degree in electrical engineering, control orientation, electrical engineering, control orientation, abstract. Today, chemistry and oil and gas extraction and refining is one of the most important economic and productive support points of countries. One of the most common processes in refineries is the separation of chemicals. This is done using separator towers. 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 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 ...

Master's Thesis of Precision Instrumentation and Automation in the Oil Industry. Abstract: Corrosion rate prediction and wear rate constant in gas brain tube using neural network is a phenomenon that is very complex due to the influence of various factors and cannot be modeled easily. In order to predict and model corrosion, attention is paid to its physical, chemical and ...

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 ...

Master's Thesis in Mechanical Engineering (Applied Design) Abstract of Gas Turbine Rotor Stress Analysis Using Continuous Damage Mechanics In this thesis, Lometer's unified model based on continuous damage mechanics is used to model the stress-strain behavior of a gas turbine rotor sample. The unified damage law, which is used to model creep-fatigue interaction, is based on the ...

Mechanical Engineering - Applied Design Orientation Abstract: Vibration is one of the important and basic concepts in engineering sciences. In simple words, any system that has mass and spring property has the ability to vibrate and can vibrate at a natural frequency. It can be said with certainty that 95% of vibrations in industries are harmful to systems. If the system is in ...

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 Master's Degree in Civil Engineering/ Cold Water Engineering 1392 1-1- Introduction In this chapter, an overview of the concept of climate change and its causes and the effect of this phenomenon on natural resources and

Summer 1390 Expertise Master of the field: Civil Engineering Orientation: Structure Abstract: In this thesis, the effect of nanosilica on the mechanical properties and durability of concrete containing polypropylene fibers

Dissertation of master's degree in civil-structural engineering Abstract: Divergent bracing frames are considered earthquake-resistant systems for steel structures. These braces are from my difficulty

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 for master's degree in civil-structural field winter 2012 Abstract In recent years, the number of buildings that have suffered damage due to the loss of their gravity-bearing members has increased. Therefore, it has become important to design structures so that they are resistant to progressive damage in addition to the effects of earthquakes. One of the factors ...

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

Abstract Considering the sensitivity of the geographical location and the potentials in the Azad Qeshm Special Zone and the idea of ??improving the level of social interactions with other regions of the country and attracting domestic and foreign investors and improving the economic relations of the organization