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Number of pages: 58 Category: Geography - Urban Planning

Dissertation for M.A. Orientation: Natural Geography (Geomorphology-Hydrology) Abstract The increasing population growth followed by the development of industrial activities on the one hand and non-compliance with environmental requirements on the other hand, has caused huge amounts of pollutants to enter the environment in the last few decades. Accumulation of some dangerous ...

Number of pages: 58 Category: Geography - Urban Planning

Dissertation for M.A. Orientation: Natural Geography (Geomorphology-Hydrology) Abstract The increasing population growth followed by the development of industrial activities on the one hand and non-compliance with environmental requirements on the other hand, has caused huge amounts of pollutants to enter the environment in the last few decades. Accumulation of some dangerous ...

Number of pages: 187 Category: Civil Engineering

Dissertation for Master's Degree in Civil Engineering, Soil and Foundation Mechanics Abstract: Fine-grained clay soils have always caused problems in construction projects, one of the ways to improve the properties of problematic clay soils is to use lime to stabilize the soil. It swells. this

Number of pages: 129 Category: Management

Dissertation for M.A. public administration, human resources orientation. Job burnout is a psychological syndrome consisting of emotional exhaustion, depersonalization (negative reaction and lack of feelings towards the client) and reduced sense of sufficiency, which creates a negative attitude towards oneself, job and others and endangers the general health of the individual. ...

Number of pages: 70 Category: Agricultural Engineering

Thesis for obtaining a master's degree in the field: management, specialization: agriculture. Abstract This research was conducted in order to determine and identify the economic and social effects of watershed management operations in Lesbo area in Rodsar city, as well as to examine the views and opinions of villagers regarding the effectiveness of watershed management ...

Number of pages: 74 Category: Agricultural Engineering

Dissertation for Master's Degree in Agricultural Engineering (M.Sc) Major: Agriculture Abstract In order to investigate the effect of different sources of nitrogen and organic fertilizers on the yield and yield components of Single Cross 704 corn in the experimental area of ??Dehleran in the summer of 2012, it was studied as a split-plot experiment in the form of a randomized ...

Number of pages: 95 Category: Agricultural Engineering

Master's Thesis on Irrigation and Drainage Abstract In arid and semi-arid regions, wastewater treatment and its reuse is considered as an important factor in water resource planning. Some researchers believe that the use of treated wastewater in agriculture is a very suitable solution because the elements removed from the soil by the plants are returned to the soil and the risk ...

Number of pages: 104 Category: Agricultural Engineering

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 ...

Number of pages: 78 Category: Agricultural Engineering

Dissertation for receiving a master's degree (M.Sc.) major: agricultural economics and estimation of the cost of destruction of underground water resources due to over-harvesting in Barshuri (case study: grain farmers of Arsanjan city) by: Jalil Khadem Al-Husseini Abstract Over-harvesting of underground water tables due to lack of proper management has led to a decrease in the ...

Number of pages: 84 Category: Agricultural Engineering

Thesis for obtaining a master's degree in the field: agricultural engineering, horticultural sciences, specialization: physiology and breeding of fruit trees. Abstract: Drought stress is one of the most important factors limiting the growth of plants in arid and semi-arid regions of the world, such as Iran. The importance of using water resources and the occurrence of recent ...

Number of pages: 100 Category: Agricultural Engineering

Dissertation for receiving the master's degree ""M.Sc."" Orientation: Agriculture Abstract Effect of different levels of super absorbent (A-200) on the yield and yield components of wheat cultivar Shahriar at different levels of irrigation in two types of soil with different textures. This research was conducted in order to investigate the effect of the application of different ...

Number of pages: 141 Category: Agricultural Engineering

Dissertation for Master's Degree (M.Sc.) Direction: Watershed Management Abstract Investing in water and soil protection measures requires detailed investigation and design based on recorded experiences and evaluation of the effects and benefits of the measures. To compare water and soil protection measures in different places, it is necessary to have a standard method approved ...

Number of pages: 110 Category: Agricultural Engineering

In order to investigate the effect of nitrogen supply sources on the consumption of nicosulfuron poison in the spring and summer of 2013 in a farm in Zagheh village of Abik county located in Qazvin province, an experiment was conducted in the form of a split plot experiment in the form of a randomized complete block design with 3 replications. The experimental factors include: ...

Number of pages: 129 Category: Civil Engineering

Thesis for receiving a master's degree in the field of civil engineering of hydraulic structures, October 2013 This study is to quantitatively evaluate the effects of watershed operations and with the aim of evaluating the efficiency of projects

Number of pages: 135 Category: Civil Engineering

Thesis for obtaining a master's degree in the field of civil engineering, oriented towards soil and foundation mechanics, Shahrivar   2013 Abstract Dams are always considered as infrastructure structures

Number of pages: 129 Category: Architectural Engineering

Thesis for receiving a master's degree in the field of architecture, architectural trend, autumn 2013, chapter 1- general 1-1- statement of the problem: Iran is a special example among other countries in terms of climate diversity.

Number of pages: 101 Category: Economics

Dissertation of Master's Degree in Economic Sciences October 1392 abstract In economic literature, population, both in terms of level and size and in terms of its growth rate, is one of the most important variables.

Number of pages: 124 Category: Agricultural Engineering

Abstract Today, rice is the main food of more than half of the world's population and rice is cultivated in five continents and more than forty countries. Rice is one of the main meals of the people of Iran, until 1340, Iran exported more or less rice annually, and since then, as a result of the improvement of the economic situation of the people and the rapid increase of the ...

Number of pages: 173 Category: Geography - Urban Planning

Faculty of Basic Sciences, Department of Human Geography, Dissertation for Master's Degree ""M.A"" Major: Rural Planning, Introduction to the investigation of activity platforms, especially agriculture and factors affecting the quality and quantity of its products, which itself plays an effective role in the development of activists and is extremely important. Summarizing the ...

Number of pages: 89 Category: Architectural Engineering

Dissertation for Master's Degree Orientation: Architecture, summer 2013, industrial life has created fewer places for people to rest and relax. for

Number of pages: 128 Category: Social Sciences - Sociology

The abstract of the present research has studied the extent and manner of representation of national identity in the 21:00 detailed news section of the first channel of Sima using the method of categorical content analysis. The first channel of Sima is a national network and can be found all over the country, and its detailed news section at 21:00 is one of the late and popular ...

Number of pages: 159 Category: Geography - Urban Planning

Thesis for obtaining a master's degree, field: natural geography, orientation: geomorphology in environmental planning, abstract, one of the pillars of the tourism industry is the existence of tourist attractions, especially natural attractions, which form the primary capital of the tourism industry. Seas, forests, meadows, mountains, valleys, waterfalls, mines, springs are ...

Number of pages: 200 Category: Geography - Urban Planning

Dissertation for obtaining a master's degree in the field: Natural Geography, specialization: Geomorphology in environmental planning. The abstract of this research, using the descriptive and analytical method along with library and documentary studies and field observations, investigates the hydrogeomorphology of the Masuleh River basin with an emphasis on the waterfalls of the ...

Number of pages: 131 Category: Geography - Urban Planning

Thesis for obtaining a master's degree in the field of natural geography, geomorphology in environmental planning. Abstract: Studies on the effects of urban development on Zarjoub and Goharroud rivers in Rasht city have been carried out with the aim of improving the environmental quality of changing the conditions of the rivers from their pollution and flooding to favorable and ...

Number of pages: 197 Category: Geography - Urban Planning

An academic thesis for obtaining a master's degree in the field: Natural Geography - Geomorphology trend in environmental planning, abstract of the mutual effects caused by different resources and living and non-living components in a watershed, the necessity of implementing a systemic and integrated management model in watersheds with the aim of optimal resource efficiency and ...

Number of pages: 303 Category: Geography - Urban Planning

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 ...

Number of pages: 98 Category: Geography - Urban Planning

Thesis for obtaining a master's degree in the field of natural geography, specialization: geomorphology in environmental planning. Abstract: Nowadays, it is necessary to pay attention to the phenomenon of landslides and to predict, identify, control and reduce the risks and damages caused by it as one of the forms of unexpected events. Landslide is a phenomenon that depends on ...

Number of pages: 92 Category: Geography - Urban Planning

Abstract: All crops are different from each other in terms of biological characteristics and environmental needs, while the natural and environmental characteristics of the land also have drastic changes from one region to another. Many factors affect the growth and development of plants. Some of these factors include: the amount of energy received from the sun, the temperature ...

Number of pages: 103 Category: Geography - Urban Planning

Dissertation for Master's Degree (M.A) in the field of Natural Geography, Climate Hazards Abstract Dust storms are destructive weather phenomena that cause irreparable damage to urban areas, fields, facilities, roads, etc. every year. This phenomenon is affected by special weather conditions, and if the mechanism of its development and expansion is known, it is possible to ...

Number of pages: 135 Category: Geography - Urban Planning

Dissertation for obtaining a master's degree in the field: Geography and Tourism Planning Abstract: Due to the increase in population and the resulting pressure on natural resources and the environment, tourism can also leave favorable and unfavorable effects on the environment. Lahijan city is one of the most tourist-friendly cities in Gilan province and has favorable natural ...

Number of pages: 132 Category: Geography - Urban Planning

Dissertation for obtaining a master's degree in the field: Natural Geography, specialization: Geomorphology in environmental planning. Abstract: Flood is one of the most destructive natural disasters, which is usually associated with a lot of human and financial losses. Floods every year in the corners of the country cause a lot of damage to economic resources. The occurrence of ...

Number of pages: 111 Category: Geography - Urban Planning

An academic thesis for obtaining a master's degree in the field of: geography, orientation: political, abstract of this research, using descriptive and analytical methods and using questionnaires, studies and field observations, analyzes the role of Bandar Anzali city in the organization of the political space of Gilan province, and the purpose of this research is to analyze the ...

Number of pages: 106 Category: Geography - Urban Planning

Master's degree thesis in the field of geography and urban planning summarizes the physical development and growth of Iranian cities until a few decades ago, coordinated and appropriate to the needs of the urban society. With the emergence of new developments, cities quickly accepted changes and transformations. These transformations have been in the form of rapid population ...

Number of pages: 129 Category: Geography - Urban Planning

Dissertation for M.Sc Master's Degree in Remote Sensing and Geographical Information System - Water and Soil Resources Abstract One of the important issues in crisis management of unexpected natural events, especially earthquakes, is optimal location in order to accommodate citizens during or after an accident. One of the major problems of the organizations involved in urban ...

Number of pages: 127 Category: Geography - Urban Planning

Master's thesis in the field of geography - ecotourism trend. Abstract Spending free time is one of the needs of human society. Therefore, the villages around the cities are ecotourism destinations that are basically based on natural attractions. On the other hand, the villages around the cities are increasingly faced with the construction of second homes and the growth of such ...

Number of pages: 101 Category: Geography - Urban Planning

Dissertation for Master's Degree in Remote Sensing and Geographical Information System - Water and Soil Resources Abstract One of the problems of advancing the management of pastures and forests in the northern regions of the country is fires that cause heavy environmental and financial damages. Fire risk management in connection with preventive measures can protect the natural ...

Number of pages: 180 Category: Geography - Urban Planning

Thesis for obtaining a master's degree in the field: Geography, specialization: tourism planning, abstract of the climatic conditions of the city of Soumesara, due to the hot weather in the summer season or the decrease in temperature in other seasons, Tangarandeh was looking for a suitable calendar for these seasons in the study area for nature walkers, and on the basis of this ...

Number of pages: 101 Category: Geography - Urban Planning

Dissertation for Master's Degree in Remote Sensing and Geographical Information System - Water and Soil Resources Abstract The increase in population and the excessive development of cities, especially in their outskirts, regardless of environmental and human characteristics, has caused irreparable damage to the environment and its residents. For this reason, the issues of ...

Number of pages: 122 Category: Geography - Urban Planning

Thesis for obtaining a master's degree in the field: Geography, specialization: Climatology in environmental planning. Abstract: In this research, the monitoring and zoning of drought as well as the investigation of its different dimensions in the country of Iran using statistics and information related to precipitation and temperature for 30 years (1981-2010) of the country's ...

Number of pages: 109 Category: Geography - Urban Planning

Master's Thesis in Geography and Rural Planning Abstract Population increase, growth and development of urban and rural communities have all caused the amount of solid waste production to increase, and today this issue has become one of the problems of mankind, which has put both his health and the environment at risk. This research aims to investigate and analyze the most ...

Number of pages: 200 Category: Geography - Urban Planning

Chapter 1 1-1-Introduction Climate[1] is a complex system[2] that is changing mainly due to the increase of greenhouse gases. During the 20th century, especially in the last two decades, the climate of the earth lost its balance and showed a tendency to increase the temperature (Rahimiu et al., 2012). According to many experts, climate change is a natural phenomenon[3] that has ...

Number of pages: 172 Category: Geography - Urban Planning

Dissertation for obtaining a master's degree in the field: natural geography, orientation: climate in environmental planning. Abstract: Atmospheric precipitation is one of the most important meteorological factors because all water resources in the region are supplied through these precipitations. Precipitation studies are of great importance in terms of natural and human ...

Number of pages: 205 Category: Geography - Urban Planning

Dissertation for receiving a master's degree (M.A.) major: geography and tourism planning. Iran, with a variety of important tourist attractions, is one of the ten most touristic countries in the world and the fifth ecotourism country in the world, which can play a very important role in economic, social, and cultural terms. The city of Sanghar Kaliati is located in the ...

Number of pages: 62 Category: Management

Thesis for the Master's Degree in the Management of Dry and Desert Areas in the Name of God 1-1 Introduction: Iran is located on the geographical dry belt of the world, so that a significant part of the country's area is covered by deserts and desert lands. The existence of climatic and edaphic limitations has made the ecological structures in these areas very vulnerable, so ...

Number of pages: 82 Category: Geography - Urban Planning

Dissertation for receiving a master's degree (M.A) in the field of geography and climatology in environmental planning. Abstract Due to the significant role of snow cover in the hydrological cycle, it seems necessary to investigate the characteristics of snow cover (snow cover level) with a high spatial and temporal resolution. The measurement of this parameter is generally done ...

Number of pages: 178 Category: Geography - Urban Planning

Dissertation for M.Sc Master's Degree in Remote Sensing and Geographical Information System - Water and Soil Resources Abstract: Urban heat islands are areas of the earth's surface that have a higher temperature than neighboring areas. The spread of this phenomenon varies in space and time. The creation of thermal islands and its spatial and temporal changes are mostly ...

Number of pages: 163 Category: Geography - Urban Planning

Dissertation to receive a master's degree (M.A) in natural geography, specialization: climatology in environmental planning, abstract: natural disasters have been the most important cause of human concern at all times. Landslides are one of the most important natural disasters that cause financial and human losses every year, which creates problems in the implementation of ...

Number of pages: 125 Category: Geography - Urban Planning

Master's Thesis on Natural Resources - Desertification Abstract Mangrove forests are located in the southern coastal areas of Iran, and due to their numerous functions and environmental values, it is necessary to protect, restore and develop them. Deciding the way to act in a certain way is consciously to achieve the goals, so as to choose a suitable option among various ...

Number of pages: 72 Category: Geography - Urban Planning

Master's Thesis in Remote Sensing and Geographical Information System (M. Sc. Orientation: Urban and Rural Abstract Considering the growth of the population today, agglomeration and settlement is an urgent need. Locating and allocating land is considered as a main pillar, which is done traditionally and by trial and error in most cases. Many criteria are involved in locating the ...

Number of pages: 151 Category: Geography - Urban Planning

Dissertation for obtaining a master's degree in the field: Geography, specialization: rural planning, abstract of Pakdasht city, which is stretched from the south of the Alborz mountain range to the plain, and due to the presence of the Jajroud river and its fertile soil, it is a suitable environment for farmers, especially for growing flowers and plants. These factors, along ...

Number of pages: 149 Category: Geography - Urban Planning

Thesis for obtaining a master's degree in the field: Geography and Tourism Planning. Abstract Tourism industry is one of the largest and most productive economic activities in the world, which creates the highest added value and directly and indirectly affects other economic and cultural activities. The development of tourism in any place can lead to development. The current ...

Number of pages: 124 Category: Geography - Urban Planning

Dissertation for Master's Degree (M.A.) Direction: Remote Sensing and Urban and Rural Geographical Information System Abstract: Subsidence phenomenon is one of the natural disasters that causes the reduction of underground resources such as underground water, oil, etc. One of the most important causes of land subsidence is the drop in static level and increase in effective ...

Number of pages: 105 Category: Chemical - Petrochemical Engineering

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 ...

Number of pages: 96 Category: Geography - Urban Planning

Dissertation for receiving the M.A. degree in the Department of Geography. The field of natural geography, the trend of climatology in environmental planning, is the abstract of a flood, a water flow that exceeds the capacity of the river channel and then flows into the adjacent floodplain. Although many local hydrological factors related to the catchment may affect the flood, ...

Number of pages: 105 Category: Geography - Urban Planning

Dissertation for Master's Degree in Natural Geography Abstract Iran is a vast country that, due to its special location and topographic features, lacks water and It has a different atmosphere. For this reason, most of Iran is in the dry climates of the world. In addition to the lack of rainfall, the extreme fluctuations of rainfall in daily, seasonal and annual scales are among ...

Number of pages: 94 Category: Art - Graphics

Academic Dissertation for Master's Degree in Visualization Foreword I have been a native of the marginal area of ??Halil Road for several years. I remember that on every hill or height we saw a pit dug and a large number of broken bones and pottery, which sometimes had patterns on them, and it was also heard many times that a person or people dug a place and pulled out objects ...

Number of pages: 98 Category: Geography - Urban Planning

Dissertation for Master's degree M.se field of remote sensing and geographic information system - water and soil resources Abstract: The phenomenon of dam failure has a catastrophic potential. Therefore, it is important to estimate the hydraulic parameters of flood waves in order to predict risks and manage resources and facilities and save human lives. Therefore, the issue of ...

Number of pages: 127 Category: Art - Graphics

Abstract Landscape painting has lost its traditional definition in the current century and its existence as a coherent and unified genre has been questioned. Studies related to it have become interdisciplinary branches, and the recognition and review of related works requires understanding of diverse sources in many fields of knowledge. Considering the lack of Persian sources in ...

Number of pages: 124 Category: Civil Engineering

Master's Thesis in Civil Engineering - Roads and Transportation) Overview Pavements are usually affected by various factors that affect their life. Since a road passes through different areas where the subsoil, the type and volume of traffic and the climatic conditions of these areas are different from each other, therefore, various disadvantages and defects arise in different ...

Number of pages: 149 Category: Civil Engineering

Dissertation for receiving the master's degree ""M. Sc."" Field: Agricultural Engineering Major: Water Structures Abstract The sediment transfer process is a completely complex, variable and non-linear phenomenon. So that the behavior of the river in the sediment transfer capacity for a certain discharge is different in different times. Therefore, due to the complexity of the ...

Number of pages: 198 Category: Civil Engineering

Dissertation for receiving a master's degree in the field: civil engineering, orientation: structure. Abstract: In this paper, a new approach for optimal selection of acceleration maps and their scaling to perform dynamic time history analysis, to achieve the average response spectrum that has a suitable match and a small distance with the target spectrum and represents the ...

Number of pages: 99 Category: Civil Engineering

To receive a master's degree in civil engineering - water Abstract: Relaxation ponds should be designed in such a way that they can depreciate the potential energy stored in the reservoir water of dams and dams in such a way as to transfer it to the natural bed so as not to cause the loss of the bed and in critical conditions to destroy the pond and dam itself. In different ...

Number of pages: 96 Category: Civil Engineering

Dissertation to receive a master's degree, specialization: civil engineering-water engineering Abstract: In this research, the effect of land slope, difference in height of pressure booster stations, height above sea level on the characteristics of the length of the water transmission systems in order to verify the feasibility and facilitate the prediction of its use and optimal ...

Number of pages: 130 Category: Civil Engineering

Dissertation for Master's Degree in Civil Engineering - Soil and Foundation Mechanics Abstract The purpose of this research is to improve the mechanical and geotechnical properties of windy sand soils. Because one of the major problems of windblown sand is its low resistance under natural and saturated moisture conditions, a laboratory study was conducted to investigate the ...

Number of pages: 123 Category: Literature - Persian Language

Academic Thesis for Master's Degree in Persian Language and Literature Abstract: Nature with its beautiful effects has always impressed all people, especially poets and writers, and has been continuously praised and described and widely reflected in their works. In the meantime, the sun, as an astronomical phenomenon and its related images, has become the basis for the creation ...

Number of pages: 159 Category: Civil Engineering

Dissertation to receive the master's degree in civil engineering ""M. Sc"" Major: Water. Abstract The aim of this thesis is to investigate the trend of annual rainfall changes in 37 selected stations in the whole of Iran using non-parametric method. The two Mann-Kendall tests and the age estimator, which are among the most common non-parametric methods, were used for the trend ...

Number of pages: 109 Category: Electrical Engineering

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 ...

Number of pages: 127 Category: Literature - Persian Language

Persian language and literature (M.A.) Thesis for receiving a master's degree Abstract This thesis, as a stylistic review of Manouchehr Atashi's poetry, deals with the quality of the review of poetry in terms of style. This thesis consists of four chapters, the first chapter is the overview, the second chapter is the background of the research, the third chapter is the method of ...

Number of pages: 82 Category: Civil Engineering

Dissertation for receiving M.SC Master's degree Major: Water Engineering Abstract: Dams are the largest man-made structures. Their design often stems from their unique nature and the consequence of failure, which is certainly greater than the collapse of other types of structures. The stability of dam body and foundation structures can be analyzed and checked in various ways. ...

Number of pages: 65 Category: Biology - Environment

Master's Thesis of Civil-Environmental Engineering Abstract Garbage is one of the environmental pollutants that cause many problems such as the spread of pollution in water, air and soil and transmission to humans and animals directly or indirectly. Today, with the ever-increasing expansion of urban and industrial societies, we are witnessing the widening of the amount of these ...

Number of pages: 105 Category: Civil Engineering

Dissertation for Master's Degree in Civil Engineering, Hydraulic Structures, Abstract: It is obvious that water resources are essential for the life of living organisms and especially for human life. Drainers are a set of structures that are used to transfer water from the dam lake to the discharge point downstream. Therefore, due to the importance of this part of the dam, the ...

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: 125 Category: Biology - Environment

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 ...

Number of pages: 136 Category: Civil Engineering

Dissertation for Master's Degree in Civil Engineering, Soil Mechanics and Foundation Abstract: Dams are always considered as infrastructure structures and have vital value. In the past, dams were mainly built for the purposes of providing drinking water and irrigation of agricultural fields, but today, due to the need for hydroelectric energy and other purposes, it has been ...

Number of pages: 100 Category: Electronic Engineering

Dissertation for M.Sc)) Electrical Orientation - Power Abstract Common-mode voltages and currents are generated due to parasitic capacitance between solar cells and their frame, which is usually grounded. These capacities are usually modeled as capacitors between the negative terminal of the solar cell and ground. In solar cells that are connected to the grid through a ...

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: 103 Category: Biology - Environment

Dissertation for Master's Degree (M.SC) Major: Chemistry and Essential Oil Technology Farsi Summary Introduction: Soil contamination with heavy metals is an important issue that these toxic elements can be transferred in the terrestrial ecosystem and have a potential risk to the quality of food and health, the environment. Soil pollution with heavy toxic metals has increased ...

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: 79 Category: Biology - Environment

Master's Thesis in Chemical Engineering Abstract of Electrochemical Analysis of Formaldehyde Formaldehyde is one of the organic chemicals that is widely used as a raw material in many industries. Industrial effluents that contain high concentrations of formaldehyde must be treated before entering the environment due to its possible carcinogenic and mutagenic risks. The purpose ...

Number of pages: 166 Category: Chemical - Petrochemical Engineering

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 ...