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Dissertation for Master's Degree in Civil Engineering Majoring in Environmental Engineering Abstract In this research, the effect of biological reactions on the removal of organic substances in wastewater during transfer from production sources to the treatment plant in conventional networks and new small diameter networks was investigated. For this purpose, a part of these ...

Master's thesis in the field of civil engineering (environmental engineering) is an abstract of the surface absorption method, one of the effective methods for removing metals, including nickel metal. In this research, modified rice paddy has been used as absorbent material. Since this adsorbent is a natural material with a high contact surface, in addition to its high ability ...

Dissertation for M.Sc. Chemical Engineering-Environmental Engineering Abstract: Microbiological fuel cells (MFC) are considered as one of the important potentials in providing clean and renewable energy in the future. In addition to providing electrical energy, which is the most widely used and flexible among other types of energy, MFCs not only do not cause the slightest ...

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 ...

Dissertation for Master's degree in chemical engineering, thermokinetic orientation, abstract removal of hazardous organic pollutants from groundwater and wastewater is one of the most important topics in environmental research. Phenols and phenolic compounds have been identified as hazardous pollutants. Several technologies and processes have been developed for industrial ...

Master's Thesis in the field of Nano Chemical Engineering Abstract Removal of phenol from industrial effluents using nanotechnology In this research, the photocatalytic removal of phenol as a model of organic pollutant in a fluidized bed reactor under ultraviolet and visible radiations has been studied. The effects of important parameters such as pH, catalyst concentration, ...

Thesis for receiving a master's degree in the field of chemical engineering, environmental orientation. Abstract: Ethylenediaminetetraacetic acid, due to its ability to solubilize and deactivate metal ions by forming a complex in the aqueous environment, has many applications, especially as a chelating agent for iron fertilizer. The synthesis of this substance is done in ...

Dissertation to receive Master's degree (M.sc) in Horticultural Science Engineering, Physiology and Cultivation of Medicinal, Spices and Aromatic Plants. Its active medicinal compounds mainly include phenolic acids and alkamides. Different parts of the plant, including its roots and aerial parts, have many healing properties. The present research is to investigate the effect of ...

The thesis for receiving a master's degree in the field of agricultural engineering, animal science - animal nutrition, abstract was designed to study the effect of milk dry matter percentage and a combination of medicinal plants on experimental performance in the form of a completely randomized basic design with a 2x2 factorial arrangement on 40 Holstein male calves from the ...

The thesis for receiving the master degree ""M.sc"" in the field of agricultural engineering, agriculture, abstract, with the aim of investigating the effect of organic matter on the growth and yield of potato cultivars, with the aim of producing a pure experimental product in a factorial format, in the form of a randomized complete block design with 3 replications, was carried ...

Dissertation for Master's Degree in Architecture Orientation: Winter Architecture 2013 Foreword: Bushehr's historical context is one of the most valuable historical contexts in the country, which is unique in its kind.

Dissertation to receive the master's degree ""M.S.c"" specialization: Textile chemistry and fiber science Abstract: One of the important processes in the completion of textile goods is the underhand improvement in textiles. Finishing the softener provides a desirable softness to the fabric and improves its properties, and the main goals of the softener are to reduce static ...

Dissertation for M.Sc degree in natural geography-geomorphology in environmental planning. Abstract The city expands in the geographical environment not based on capacity and facilities but on the basis of urgency and necessity. This issue is very noticeable in today's cities. It is noteworthy that the city must be in harmony with its natural location and it is essential that ...

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. ...

Master's Thesis in Nano Chemical Engineering Abstract The aim of this study is to separate cationic polyacrylamide from the waste water of Prodeh Tabas coal washing plant using the polymer membrane filtration process. The primary membrane was prepared using polyacrylonitrile (PAN) by phase inversion process, and then they were prepared using hydrolysis as chemical modification ...

Master's thesis 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 in Analytical Chemistry Abstract: Today, modern catalysts are used in the petrochemical industry for various reactions. Zeolites in the more advanced form of ""nano zeolite"" are very important in this regard due to their high surface area. The aim of this research is to provide a ""spectroscopy-chemimetry"" method and to provide an optimal ...

Master's 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. ...

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 ...

Academic Dissertation for Master's Degree in: Organic Chemistry 1-1) Introduction Today, nanotechnology [1] is an attractive subject that has attracted the attention of scientists, industrialists and even ordinary people due to the special properties and practical potentials of these materials. Considering the wide applications of carbon nanotubes, the methods of mass production ...

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 ...

Dissertation for M.S.c Master's Degree Orientation: Applied Abstract: In recent years, semi-conducting nanoparticles have attracted a lot of attention due to their electrical and mechanical properties, which result from limited quantum effects compared to their counterpart materials. Among semiconductor nanoparticles, ZnO nanoparticles have higher efficiency. To achieve higher ...

Persian summary: Coumarin derivatives are of great interest due to their biological importance and medicinal activities. A number of coumarin derivatives, especially biscoumarins, are known to be anti-inflammatory due to their numerous and prominent features such as anti-blood clots. In this regard, one-pot synthesis of biscoumarin derivatives using aromatic aldehydes, ...

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 ...

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 ...

Master's thesis in the field of mining chemistry Abstract: In this study, the effect of amide substitution on the surface of graphene oxide was studied. Two amines were chosen to change the contact surface and absorption rate. of a linear diamine such as ethylenediamine[1] and cyclic amine 6-aminouracil[2] with two different characteristics were evaluated. After the synthesis ...

Dissertation for Master's Degree in Organic Chemistry. Summary of the research done in this thesis consists of two parts, the first part is the synthesis of the precursor of 4,5-dihydropyrrolo[1,2,3-hi]indole-1,2-dione (compound 1) and one-pot, three-component synthesis of new derivatives of spiro terecates in water-green solvent and in the presence of HMTA catalyst. The second ...

Dissertation for Master's Degree ""M.Sc"" Chemical Engineering - Environmental Abstract Water produced with oil, which contains a mixture of organic and inorganic compounds, is considered as the biggest waste in upstream oil industries. With the increase in extraction from oil and gas reservoirs, the volume of this water is increasing day by day, and its inappropriate discharge ...

Dissertation for receiving a general doctorate degree Abstract Introduction and purpose: Metallobetalactamases (MBL) are enzymes that are produced by non-fermenting Gram-negative bacilli such as Pseudomonas aeruginosa and make these strains resistant to carbapenems. As a result, Pseudomonas carrying metallobetalactamase genes are considered a serious clinical threat. Considering ...

Master's degree thesis, field: Chemical Engineering Abstract: In this research, the absorption of methyl orange dye, which is one of the most widely used dyes in the textile industry, by polypyrrole adsorbent based on polyvinyl alcohol has been investigated. The tests were performed in a discontinuous system using a colored solution with a concentration of 40 ppm. After ...

Master's Thesis of Chemical Engineering-Biotechnology Abstract Lipase is a carboxylic ester hydrolase enzyme that acts on triacylglycerol to release fatty acids, glycerides and glycerol. The discovery of the ability of lipase to catalyze the esterification reaction started a broad chapter in the field of this enzyme's functions. In this study, with the knowledge of the ability ...

Chemical Engineering Master's Thesis Abstract: In this research, a method for the synthesis of ZSM-5 nanozeolite was presented. Then this nanozeolite was modified with CTAB surfactant and its characteristics were investigated using XRD, FT-IR, and SEM methods. This nanozeolite was used to prepare a modified carbon paste electrode (SMNZ/CPE) to measure sulfate anion. Also, the ...

Dissertation for Master's Degree in Chemical Engineering Abstract: Microbial fuel cell biotechnology is a new science, in which microorganisms, as cheap catalysts, convert the chemical energy contained in organic and inorganic compounds into electrical energy. Optimizing parameters affecting battery performance is one of the first laboratory steps towards the development of this ...

Dissertation for Master's Degree in Chemistry, Chemistry, Abstract: Epoxy resins, which are thermosetting polymers, have properties such as high thermal stability, good adhesion, high chemical resistance, easy molding, and moisture resistance. These resins are used as adhesives, coatings, paints and polymer tools. The most common epoxy resin is prepared from the reaction of ...

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, ...

Dissertation for Master's Degree (M.Sc.) in Horticulture, Physiology and Fruit Tree Breeding. Abstract The use of nano-fertilizers leads to increasing the consumption efficiency of nutrients, reducing soil toxicity, minimizing the negative effects of excessive fertilizer consumption, and reducing the frequency of fertilizer application. The use of Ascophyllum nodosum algae also ...

Dissertation for obtaining a master's degree in the field of: Agricultural Engineering, Agricultural Management. Abstract: Rice is one of the major crops of Gilan province and plays an important role in the income of rural households. The amount of rice yield is threatened every year by various factors such as pests, diseases and weeds. Blast disease is one of the most damaging ...

Dissertation for receiving a master's degree in the field of food science and engineering, specialization: food science and industry. Abstract Considering the various uses of vegetables in human nutrition, as well as their taste and usefulness in maintaining health and well-being, their importance is increasing day by day. Considering the short life after harvesting and ...

Master's Thesis in Soil Science Abstract: Today, tracking in water and soil issues has found a much wider application compared to the past. Examining the hydraulic connection and hydrodynamic characteristics of underground water tables, evaluating the origin and spread of pollution are among the most important applications of this method. In our country, along with the ...

Dissertation for Master's Degree (M.Sc.) Abstract This experiment was conducted to investigate the potential of using silkworm waste compost as an organic fertilizer in order to reduce or at least adjust the amount of chemical fertilizers used and also to determine the best compost mixture for the ornamental plant Syngonium podophyllum. The treatments were: silkworm waste ...

Abstract In the present study, the effect of conditions (boiling) and storage time (9 days) on the content of ascorbic acid, nitrate and nitrite of 5 vegetable samples (broccoli, red cabbage, white cabbage, chives and mushrooms) were evaluated and the results were analyzed by spss 16.0 software. The results obtained from the statistical analysis showed that among the samples, ...

Master's Thesis on Aquatic Ecology, Fisheries Abstract Rivers, as one of the most important water resources, are very vulnerable to human activities. Creating reservoirs and dams is one of the oldest forms of human intervention in aquatic ecosystems. Despite the many benefits (hydroelectric energy production, flood control and water level regulation), dams also have the ...

Dissertation for Master's Degree (M.Sc.) Field: Horticulture-Ornamental Plants Abstract To investigate the effect of gap and silver nanoparticles on the life of the flower and the hyphae characteristics of Alstroemeria hybrida cut flowers, a 2-factor factorial experiment based on a completely randomized design with two factors of stem end gap in 2 levels (5 cm gap and no gap) ...

Physiology and improvement of fruit trees. Thesis for obtaining a master's degree. Field: Agriculture, Horticulture. Attributes such as fruit fresh weight, weight

Dissertation for Master's Degree (M.Sc) Abstract Chrysanthemum (Chrysanthemum morifolum L.) is one of the most important cut flowers in the world, which today ranks second in the world after roses in terms of economy and cultivation. One of the important problems of this flower is vascular blockage and disruption of the water balance. For this purpose, a study based on a ...

Master's thesis in the field of agricultural engineering - food science and food industry - food chemistry. Abstract of the research: In this research, strong electric fields with short square pulses and a time scale between microseconds and milliseconds were used to sanitize liquid foods, and food products were processed under environmental conditions or low temperatures and ...

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 ...

Dissertation for Master's Degree in Natural Resources (M. Sc) Major: Forestry and Ecology Abstract In this study, the mountain almond reserve (Amygdalus Arabica Olive) in Kolam district of Badreh city in Ilam province, which is a typical reserve, was investigated. First, in the area, the range of the cam reserve, its identification and polygon was digitally closed. Within the ...

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 ...

Dissertation: To receive the degree of professional doctor of veterinary medicine (D.V.M.) Farsi abstract Title: Investigating the contamination of drinking water of broiler farms in Piranshahr city with Escherichia coli bacteria Drinking water is one of the vital and nutritious factors that is necessary for optimal growth and control of body temperature and should always be ...

Abstract This research was conducted in order to investigate the absorption characteristics of cobalt, cadmium and nickel metals using lemon peel. The effect of different parameters such as solution pH, amount of adsorbent, contact time and temperature on the absorption process was investigated and the optimal operating conditions for the absorption of each element on the ...

- 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 ...

Abstract The progress of medical knowledge has caused that it can almost be said that there is no such thing as infertility or it has become very rare and abandoned. Modern methods of artificial insemination have solved this problem of families thanks to human knowledge and there are few people who have been deprived of having a child. Artificial insemination is one of the ...

Dissertation to receive a master's degree in Natural Resources Engineering (M.Sc.) Major: Forestry and Forest Ecology Abstract The purpose of the present research is to study the habitat conditions of the larg (Pterocarya Fraxinifolia (Poir) Spach) in the Lart valley in Badreh city, Ilam province. Due to the limited area covered by Larg mass, after recording the position of all ...

Dissertation for Master's Degree (M.S) Field: Agriculture Major: Horticulture Abstract Sterilzia regina ornamental plant is a permanent and valuable plant. It is very important to pay attention to the substrate and its cultivation environment. Among the most important factors that should be considered in the cultivation of plants, especially permanent plants, is nutrition and ...

Dissertation for M.Sc degree, field: chemical engineering, orientation: biotechnology, research method: first, the surface of the gold electrode was coated with nickel and cobalt salt in suitable conditions, then the standard solution of atrazine poison was placed in contact with the modified electrode, and after optimizing a series of mechanical and chemical parameters, its ...

Master's Thesis / Inorganic Chemistry Abstract Considering the application of nonlinear optical properties (NLO) in technologies such as lasers, remote communication, photovoltaic cells, information processing and holography and the mineral diversity of these materials, we started a research in this field and focused on borazine-containing dyes. Our main goal in this research is ...

Dissertation for Master's Degree in Chemical Engineering Abstract Critical characteristics for materials such as critical temperature, critical volume and critical pressure are important characteristics for predicting many thermodynamic properties of different materials. Knowing the critical properties plays an essential role in all hydrocarbon production and process operations. ...

Master's Thesis on Simulation and Process Design Abstract So far, many methods have been presented to remove phenol from wastewater, among them, the membrane bioreactor process has received attention in the last decade. The use of hollow fiber membrane contactor in this process is to avoid direct contact between two phases and increase the surface-to-volume ratio. In the current ...

Master's Thesis of Chemical Engineering-Biotechnology Abstract The deteriorating energy sources of fossil fuels will make the developing human society suffer from fuel shortage in the not too distant future. As a result, the concerns of the continuous and increasing release of carbon dioxide into the atmosphere, as well as the extent of pollution caused by fossil fuels that have ...

(M.SC) Dissertation to receive a master's degree, specialization: organic, abstract of the thesis (including summary, objectives, implementation methods and obtained results): Computational chemistry using computer software is a powerful tool in the design of molecules with special properties. Computational chemistry is a general and general term that includes a wide range of ...

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 ...

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 ...

Thesis for Master's degree (M.A.) Abstract In order to investigate the effect of planting date on dry matter allocation coefficients in soybean cultivars (DPX, Williams, Parshin), an experiment was conducted with 3 planting dates (June 30, July 9, and July 19) in the form of a randomized complete block design in four replications. In order to determine the dry matter allocation ...

Thesis for obtaining a master's degree, field: agricultural engineering, major: agricultural management. Abstract The purpose of this research is to investigate the factors influencing the willingness of urban households in Gilan to pay for organic rice. The current research is applied and descriptive, correlational and field method using a questionnaire. The statistical ...

Abstract of this research in order to investigate the effect of different treatments of organic and chemical fertilizers on the quantitative and qualitative characteristics of the summer savory medicinal plant and the amount of its essential oil in the form of a factorial experiment and in the form of a completely randomized block design with four replications and 7 treatments ...

Dissertation of Master's Degree Course in Curriculum Planning Semester: 94-93 First chapter: General -1. Introduction: Teachers need to be one of the most effective elements in education

Dissertation for Master's Degree (M.A) in Educational Management Spring 2014 Introduction The basis of power and vitality in today's world comes back to the level of having science and knowledge. Today, the majority of the directions of the world are towards the production and development of science and technology, and developed countries are transitioning from industrial ...

Field: executive management, abstract, introduction and purpose of research: Outsourcing means finding new service providers and new methods to provide materials, goods, components and services to them with confidence.

Dissertation for receiving a master's degree in the field of entrepreneurship management, 91 Shahrivar Abstract: Researches show that in recent years, the trend towards entrepreneurship and related issues in the country

Dissertation for receiving a master's degree in the field of executive management of strategic orientation March month 1391 The abstract of the current research is survey in terms of method and practical in terms of purpose. society

Master's Thesis in Philosophy of Education and Training May 2014 Abstract: The purpose of this research is to investigate the importance and position of Challenging and neglected Spiritual education And then

Thesis for obtaining a master's degree in the field of educational management in the summer of 2013 Abstract: The present study was conducted with the aim of investigating the relationship between the use of information technology and the satisfaction of students of the Faculty of Agriculture, Urmia University.

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

Dissertation for obtaining a master's degree in civil engineering – Spring 2014 structure trend, first chapter, general research 1-1- Introduction: Mostly structures for severe earthquakes and surface acceptance

Master's degree thesis, field: MBA (Winter 2013) Abstract: Today, knowledge is the main source of power, and gaining authority in today's world depends on the production of science and knowledge and its management. Meanwhile, knowledge organizations such as research organizations also need to help create innovation in this turbulent environment by using knowledge management ...

Master's Thesis in Budget and Financial Management, February 2019 Abstract In recent years, the country's banking system has become obsolete and overdue due to the significant growth in the rate of receivables

Dissertation for M.A. specialization: Marketing Winter 2011-1-Introduction Today, with the competitive markets and continuous changes in the environment, organizations have realized the fact that human

Dissertation for Master's Degree (MA) Field: Educational Management Orientation: Educational Management Abstract: Purpose: The general purpose of this research is to investigate the role of addiction to information technology on self-regulation and development strategies.

The first chapter of the research plan - 1 - Introduction The importance of spirituality and spiritual growth in humans has attracted the attention of psychologists and mental health professionals more and more in the past few decades. The progress of psychological science on the one hand