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Master's thesis in the field of chemistry, chemical physics, abstract In this project, platinum/carbon nanocatalyst was first synthesized by chemical reduction of platinum salt with sodium borohydride chemical reducer. The structural and morphological characteristics of the synthesized nanocatalyst were investigated using energy dispersive spectroscopy and scanning electron ...

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 ...

Dissertation to receive Ph.D. Persian Summary Otostegia persica is one of the Lamiaceae (mint) plants, which in traditional medicine is used to treat malaria, reduce blood sugar and blood pressure, and relieve S fever. The name of this plant in Persian culture is ""golder"". This genus has 3 species of perennial herbaceous plants in Iran: Otostegia aucheri, Otostegia micchauxii, ...

Dissertation for M.Sc. in Food Engineering, Agricultural Orientation Abstract The focus of recent research has been photochemical substances derived from plants, which are due to their positive effects on human health. During processing in factories, food can be enriched with active compounds such as phenolic compounds that have benefits and physiological properties such as ...

Dissertation for Master's Degree in Physical Education, Sports Physiology, Introduction Today, there is fierce competition between athletes in different countries to win championship titles in the Olympic, World and Continental Games, and the effort to improve the performance of athletes has made sports scientists to work more in this field and has increased research in sports ...

Dissertation for obtaining a master's degree in chemistry, fluoride has been known as a toxic ion for many years. The main source of fluoride in aqueous solutions is minerals containing fluoride and the industrial activities of factories. According to the report of the Environmental Protection Organization, the amount of fluoride more than 1 mg/liter causes various diseases. In ...

Master's thesis in the field of chemical engineering, abstract of simulation and optimization of biological reactor producing butanol, semi-continuous fermentation is an efficient and beneficial method to produce valuable metabolic products such as biofuels. Mathematical modeling of semi-continuous bioreactors is a very difficult and complex issue due to the transitory and ...

Dissertation for receiving a master's degree in the field of physical education in the field of sports physiology. Abstract: Athletes have been continuously searching for solutions to improve their sports performance. One of the methods that can develop sports performance and prepare athletes physically and mentally for sports activities is the use of herbal supplements. The aim ...

Master's thesis in the field of chemistry, analysis, abstract. In this research, the synthesis of polymer nanoparticles of ion template using sedimentation method and for the separation and preconcentration of nickel ions from aqueous samples is reported. Nickel template polymer nanoparticles by dissolving stoichiometric amount of nickel nitrate and ligand ...

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: 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. ...

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. ...

Dissertation for Ph.D. Ph.D. Persian Summary Aripiprazole is an atypical antipsychotic drug that shows its therapeutic effect with a combination of antagonistic activity of 5-HT2A receptor and partial agonistic activity of 5-HT1A and D2 dopamine receptors. This drug is used in the treatment of schizophrenia, type I bipolar disorders and as an adjunctive treatment in major ...

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 ...

Master's degree thesis in the field: Chemical Engineering Abstract In this project, an attempt was made to take a small step towards the synthesis of silicoaluminophosphate molecular sieve in nano dimensions and its use in fuel cells with methanol fuel. Therefore, in this way, nano silicoaluminophosphate was produced under optimal hydrothermal conditions. Next, XRD, FT-IR, SEM ...

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. ...

Master's thesis in the field of chemistry, analysis, abstract. In this research, the synthesis of polymer nanoparticles of ion template using sedimentation method and for the separation and preconcentration of nickel ions from aqueous samples is reported. Nickel template polymer nanoparticles by dissolving stoichiometric amount of nickel nitrate and ligand ...

Dissertation for receiving a master's degree in the field of physical education in the field of sports physiology. Abstract: Athletes have been continuously searching for solutions to improve their sports performance. One of the methods that can develop sports performance and prepare athletes physically and mentally for sports activities is the use of herbal supplements. The aim ...

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 chemistry, Analytical Chemistry, Abstract In this project, a molecular template polymer was prepared for the selective extraction of phenylmercury chloride. To prepare this polymer, methacrylic acid (active monomer), ethylene glycol dimethacrylate (cross-linking agent), 2,2-azobisisobutyronitrile (initiator), phenylmercury chloride (target ...

Dissertation for Master's Degree in Organic Chemistry Abstract of the research done in this thesis consists of two parts, the first part includes the one-pot synthesis of new spiro compounds using 4,5,5-trimethyl 4,5-dihydropyrrolo{1,2,3-hi}indole 1,2-dione with aromatic amines and vectors. The second part includes the synthesis of new derivatives of spiro compounds using ...

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 ...

Abstract: Introduction and purpose: One of the most important adult stem cells that has attracted the attention of most researchers is mesenchymal stem cells. Mesenchymal stem cells derived from bone marrow have the ability to transform into different types of cells, including fat cells, bone and cartilage, in addition, these cells can be differentiated into neuronal cells. Most ...

((Master's Thesis)) Abstract Introduction: Helicobacter pylori is one of the most important human stomach pathogens. BabA2 Hpa HsP genes are essential in binding to gastric epithelial cells and bacterial pathogenicity. The frequency of these genes is different in different geographical regions. The aim of this study was to evaluate the frequency of BabA2, Hsp Hpa genes in ...

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 the field of chemical-biotechnology engineering Abstract Protozoan protein refers to the protein obtained from the cultivation of bacteria, yeasts, filamentous fungi or algae, which can be used as human food or animal feed. In fact, protozoan protein is the dried cells of microorganisms that are obtained by their fermentation on different substrates. ...

Dissertation for Doctor of Pharmacy Persian Summary In this research, the effects of 17-alpha methyltestosterone and hollanjan plant extract on the reproductive system and adrenal system (hormone cortisol) were investigated in adult male mullet. For this purpose, after dechlorinating the water in the aquariums, 100 pieces of adult male Molly fish with an average weight of 1 ± 3 ...

Master's Thesis, Department of Chemistry, Organic Chemistry, Abstract An effective method for the synthesis of pyrido[3,2-d]pyrimidine derivatives from the three-component condensation of 6-aminouracil, 6-amino2-thiouracil or 6-amino-1,3-dimethyluracil with aryl aldehydes and malononitrile, a class of pyrido[3,2-d]pyrimidine derivatives in the presence of high performance basic ...

Dissertation for obtaining a master's degree M. Sc)) Department of Chemistry - Green Synthesis of Organic Chemistry 2-phenylimidazoles boiled using ionic liquid. Imidazoles are an important group of heterocyclic compounds that have various biological and medicinal activities such as anti-hypertensive, anti-cancer, anti-HIV, anti-bacterial and pain reliever. In this thesis, new ...

Master's thesis in the field of chemistry, Analytical Chemistry, Abstract In this project, a molecular template polymer was prepared for the selective extraction of furan. To prepare this polymer, methacrylic acid (functional monomer), ethylene glycol dimethacrylate (cross-linking agent), 2,2-azobisisobutyronitrile (initiator), a mixture of pyrrole (furan substitute or target ...

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 ...

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 ...

Abstract: Introduction and objectives alpha-amylase is an enzyme from hydrolases that catalyzes 1-4 alpha-glycosidic bonds in polysaccharides and is one of the most important digestive enzymes. The use of alpha-amylase inhibitors (such as green tea) can be useful in weight control, so comparing the level of hepatic alpha-amylase gene expression between obese and normal mice and ...

Dissertation for Master's Degree (M.Sc.) Orientation: Environment Abstract Based on the studies conducted, there are various processes for desulfurization of naphtha, which determine the method of desulfurization of naphtha, there are very determining parameters, and the type of sulfur compounds and operating temperature and pressure are one of the most important parameters that ...

Master's Thesis of Polymer Industry Engineering Abstract Phenolic resins have excellent dimensional, thermal, chemical and corrosion resistance. Also, the fugitives produced during the thermal degradation of this resin have low toxicity and, in addition, they have high charring. Phenolic resins, due to having desirable properties, are used in many fields such as internal parts ...

Dissertation for Master's degree (M.Sc.) Title abstract: One-step synthesis of new thiazole and bisthiazole derivatives with various connections. In this research, the synthesis of new thiazole derivatives and bisthiazoles with different connections was investigated by click chemistry and green chemistry methods. First, the synthesis of bisacetophenones (b3-a3) through

Dissertation to receive M.Sc. Field of organic chemistry abstract green synthesis of 2-phenyl oxazoles boiled using ionic liquid Oxazoles are an important group of heterocyclic compounds. They are the structural subunits of various natural active products and are valuable synthetic and pharmaceutical precursors. Oxazoles have antibacterial, antifungal, anti-inflammatory and ...

Master's Thesis in Agricultural Engineering, Food Industry, Abstract: The effect of the water extract of the monkey flower plant on the storage time and quality of frozen rainbow salmon. Recently, due to the avoidance of using chemical preservatives in the food industry, the attention of researchers has been drawn to the use of natural compounds in order to increase the shelf ...

The thesis for obtaining a master's degree in the field of organic chemistry, abstract protection and deprotection of functional groups is one of the inevitable steps in the synthesis of multi-functional compounds. Selective protection of carbonyl groups is very important in modern organic chemistry. 1-Diacetates are one of the basic protective groups of the carbonyl functional ...

Abstract Ostrich meat, which is classified in the red meat group, has a very high nutritional value, so it can be said that it is one of the least fatty and healthy. The most samples of red meat available. Heracleum Persicum or Iranian safflower plant (from Apiaceae family) is one of 10 species of Heracleum genus in Iran. The current study, considering the antimicrobial ...

Dissertation for Master's Degree in Horticulture-Fruit Science Abstract Rish Baba grape variety is one of the most popular fresh edible cultivars cultivated in Iran, but usually the pods have poor color. In this study, the effect of ring removal and ethfen treatments on the quantitative and qualitative traits of 'Rish Baba Garmez' grape variety was investigated. The experiment ...

Dissertation for Master's Degree in Agricultural Engineering - Food Science and Technology - Food Technology Abstract Vegetable oil is considered a strategic product in our country. The amount of import of this product in the country is important, and for this reason, the effort to produce crude oil extracted from oilseeds in the country, at the level of competition with its ...

Dissertation for M.Sc. Mechanical engineering trend - applied design In this research, a wind turbine with a vertical axis of the Savonius model is modeled. The wind turbine has been modeled in the fluid control volume, which is the same as the wind tunnel in real conditions, and has been investigated under wind blowing with different speeds. Also, in terms of overlap ratio, it ...

Dissertation to receive a master's degree in natural resources engineering - reproduction and breeding of aquatic animals Abstract: The purpose of this study is to investigate the possibility and effects of replacing plant resources in the diet of rainbow trout. For this purpose, a combination of vegetable protein sources with the main source of wheat gluten along with corn ...

To obtain a master's degree in mechanical engineering - manufacturing and production Abstract Fuel cells are electrochemical devices that are used to directly convert fuel into electrical energy. One of the most important types of fuel cells is the polymer fuel cell, which is widely used. In general, two types of optimization can be done in the polymer fuel cell: optimization in ...

Persian summary Ansal onion, with the scientific name Drimia maritia, is one of the important medicinal plants that has been used in traditional medicine to treat various diseases such as swelling, respiratory disorders, jaundice and epilepsy. Bufadinolides have been identified as the main compounds of this plant. The bufadinolide compound of this plant is Proscillaridin, which ...

Abstract Nowadays, due to the resistance of microorganisms against antibiotics, it is important and necessary to use medicinal plants to obtain new compounds to overcome them. The aim of this study was to investigate the antimicrobial effects of methanolic and blue lime extracts against bacteria and mold. In this research, lemon peel extract was extracted by two methods, aqueous ...

Dissertation for receiving a master's degree in the field of food science and industry, food microbiology, abstract, due to the vast amount of desert resources in the country, as well as the problems of lack of water, camel breeding and attention to its meat have gained considerable importance. Rosemary is one of the medicinal plants with proven antimicrobial properties. In the ...

Master's thesis in the field of agriculture Abstract In order to investigate and compare the effect of osmopriming and hydropriming of corn seeds at different levels of nitrogen fertilizer on the yield and yield components of double cross 370 corn, a split plot experiment was conducted in the form of a randomized complete block design in three replications in 2019 and in the ...