Download more than 100 examples of thesis, proposal and project topics about nitrogen fixing bacteria in editable WORD file format at undergraduate, graduate and doctoral levels for use and reference in research, articles, theses, student and academic projects.
Dissertation for receiving a master's degree in agricultural engineering majoring in agriculture, abstract of this project in order to investigate the effect of nitroxin fertilizer under the conditions of irrigation interruption (based on BBCH, plant phenology stages) on the physiological and agronomic traits of fodder millet cultivars in Damghan region in 2011-2019 as a ...
Thesis for obtaining a master's degree, field: agricultural engineering, major: agriculture, abstract: there are about 238 thousand hectares of rice fields in Gilan province. In order to maintain sustainable agriculture, increase production, create employment, increase the financial capacity of farmers, observe crop rotation and thus preserve the environment, planning and ...
Dissertation for obtaining a master's degree in agriculture (M.Sc) Major: Agriculture Abstract: This split factorial experiment was carried out in the form of random complete blocks in 3 replications in Karaj city (agricultural engineering town) at the end of March 2012 in Karaj. This experiment includes 3 factors, irrigation in 2 levels (rainy conditions and supplementary ...
Dissertation for receiving the master's degree ""M.Sc."" Orientation: food industry Abstract quantitative and qualitative analysis of bacterial and fungal flora and total volatile nitrogen, 6 types of commercial food, extruded (floating) produced in Mazandaran province, including: starters 1 and 2, growth and endings 1, 2 and 3, were investigated in a period of 90 days (0, 30, ...
Dissertation for Master's Degree in Ecological Agricultural Engineering Abstract In order to investigate the effect of waterlogging period and different amounts of phosphorus and potassium on nitrogen biofixation in the vegetative stage (V4) of Soybean cultivar Dipiax (Ketol), a pot experiment was conducted in 2012 at Gorgan University of Agricultural Sciences and Natural ...
Master's Thesis of Physical Education and Sports Sciences, Sports Physiology, Abstract Doxorubicin (DOX) is an antibiotic with a wide range of anti-tumor and anti-cancer (anti-neoplastic) functions and has been widely used in the treatment of various cancers since the late 60s. Unfortunately, the clinical use of this highly effective anticancer drug has been limited, and this is ...
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 ...
Doctoral Dissertation in Chemical Engineering-Biotechnology Abstract The purpose of this study was to produce polyhydroxyalkanoate biopolymer using glucose, fructose, molasses and whey carbon sources by microorganisms Azohydromonas lata DSMZ 1123, Azotobacterbeijerinckii DSMZ 1041, Cupriavidus necator DSMZ 545, Hydrogenophaga pseudoflava DSMZ 1034. In the first stage, to screen ...
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 ...
Dissertation for Master's Degree in Chemical Engineering, Biotechnology, Abstract: Microbial proteases are among the most important hydrolyzing enzymes, which account for 60% of the global market of industrial enzymes. In this research, synthesis of protease enzyme in solid state fermentation process using Bacillus bacteria. licheniformis was investigated. Various agricultural ...
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 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 ...
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 ...
Dissertation for M. Sc. Abstract Nitrates, nitrites and ascorbic acid are present in a wide range of foods. Vegetables are an important source of nitrate, nitrite and ascorbic acid absorption in the diet. The purpose of this research is to investigate the effect of freezing and cooking process on the amount of nitrate, nitrite and ascorbic acid of commonly consumed vegetables. ...
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, ...
Dissertation for obtaining a master's degree in the field of food health and safety, abstract background: addition of edible acids to foods, in addition to inhibiting effects on microorganisms, creates the right taste and color in them. Objective: The present study was conducted in order to investigate the effect of organic acids on some microbial and organoleptic chemical ...
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) ...
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 ...
Dissertation for Master's Degree in Animal and Poultry Nutrition Abstract This research was conducted in order to investigate the effect of different levels of savory essential oil, including levels (0 mg, 200 mg, 400 mg) and type of grain (maize and barley) on the process of rumen fermentation, animal performance and some blood parameters of goats native to West Azerbaijan. In ...
- 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 ...
Dissertation for M.Sc degree, major: food science and technology. Abstract To conduct this research, samples of spinach (Damghan), tomato (Dezful), lettuce (Varamin), celery (Tehran), zucchini (Gorgan), eggplant (Qasrshirin) were purchased from Damghan market in June 2013. Nitrate, nitrite and ascorbic acid concentrations were measured in the edible parts of each sample. The ...
Master's Thesis in Agriculture Majoring in Agriculture (M.Sc) Abstract In order to investigate the effect of biofertilizers on the quantitative and qualitative characteristics of garden thyme, an experiment was carried out in a greenhouse in an area of ??Semnan in the cropping year of 2010-2011. This experiment was carried out using a 3x3 factorial based on a randomized complete ...
Dissertation for Master's Degree in Horticultural Engineering Abstract: Achieving sustainable agriculture along with increasing the yield of agricultural products and ensuring the health of society is one of the goals of researchers in the agricultural sector. In the last few decades, the use of chemical inputs in agricultural lands has caused many environmental problems, ...
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 ...
(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 receiving a professional doctorate degree in the field of medicine Persian Abstract Introduction: Considering the importance of swimming in physical and mental health and the aspect of water therapy for diseases, it is important to observe hygiene and standards in swimming pools. Swimming pools, as one of the recreational centers and in terms of direct ...
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 ...
Dissertation for Master's Degree in Food Science and Engineering, Food Microbiology, Abstract: Today, the increase in environmental pollution and the decrease in oil resources have led to the development and replacement of biodegradable packaging instead of packaging derived from petroleum resources. Also, in this regard, the use of antimicrobial compounds such as silver ...
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 ...
Dissertation for receiving a master's degree (M.Sc.) specialization: agriculture, the effect of drought stress and nitrogen fertilizer on the yield and amount of essential oil of German chamomile. Abstract, the purpose of the implementation The experiment is to obtain the effect of drought stress and different levels of nitrogen on the yield and the amount of essential oil of ...
In order to obtain a master's degree in the field of agricultural engineering-agronomy, in order to evaluate the effect of nitrogen and water deficit stress during vegetative and reproductive growth on the growth and yield of two varieties of corn, a factorial split plot experiment was conducted in the form of a randomized complete block design with three replications in the ...
Master's Thesis of Horticultural Sciences, Physiology and Breeding of Medicinal Plants Abstract In order to investigate some physiological and morphological properties of castor plant under drought stress and nitrogen fertilizer in different cultivars of this plant, an experiment was conducted with a basic design of randomized complete blocks in the form of split factorial in ...
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: To receive the degree of professional doctor of veterinary medicine (D.V.M.) Title: Investigating the level of bacterial contamination of unhatched eggs in the hatchery of Mahabad city. Hatchery is an important part of the poultry industry, and the spread of bacterial diseases can be prevented by following the hygiene principles. In this research, samples were ...
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 ...
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: ...
Thesis for the M.Sc degree in wood and paper industry engineering, Mehr 2013 Abstract: In this research, the physical and mechanical properties of nanocomposites obtained from cellulose nanofibers and poly polymers
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 ...
Master's Thesis in Psychology (M.A) Orientation: Educational Abstract: The purpose of this study was to investigate the effect of extracurricular activities on academic self-efficacy and academic performance of middle school female students in Bandar Abbas city. This research is practical in terms of purpose and comparative causal in terms of nature and method. The statistical ...
The field of natural geography, climatology trend in environmental planning Abstract: Ardabil province in the northwest of the country with its long and elongated shape has faced climatic anomalies in recent years such as: increase in temperature especially in winter season, increase in the occurrence of hot winds, increase in evaporation and transpiration potential, decrease in ...
Dissertation for Master's degree (M.A) specialization: ""Insurance Management"" Introduction Life insurance is considered a financial tool. Life insurance is responsible for providing financial support and coverage to a family that has lost its breadwinner (insured) as a result of death. Today, life insurance is one of the most important fields of activity in the insurance ...
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 ...
Master's Thesis of Physical Education and Sports Sciences (Exercise Physiology) Abstract The purpose of this study was to study the effect of omega-3 supplementation during an increasing aerobic training period on the response of pro-inflammatory cytokines TNF-?, ?1-IL and insulin resistance index in type 2 diabetic men. For this purpose, 30 men with type 2 diabetes with an ...
Abstract The main task of the synchronous generator excitation system is to provide the necessary voltage for the generator excitation winding. The excitation voltage is a dc voltage and it is used to create a flux in the excitation winding of the generator and consequently to produce a magnetic field to produce electrical energy by a synchronous generator. In the provided ...
Master's Thesis (M.sc) Civil Engineering, Soil and Foundation Mechanics Abstract In this research, the stability of soil reinforced with geogrid located on an underground cavity was analyzed using plaxis software, and the effect of several factors such as the number of geogrid layers, the length of the geogrid layer, the stiffness of the geogrid layer, the optimal location of ...
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 ...
Thesis for obtaining a master's degree (M.A) (Field: Business Management, Major: Domestic Business) Abstract: In today's ultra-competitive world, the secret of survival and success of organizations is to understand the competitive structure of the market. Achieving this understanding requires management's knowledge and understanding of customer's opinions and demands, and ...
Master's thesis abstract shows the necessity of having a healthy environment and raising the health level of the society, the need to have proper planning to reduce the sources of air pollutants production and predicting these pollutants to prevent its harmful effects is inevitable. Prediction of pollutants can be useful in air pollution management and control. In this research, ...
Dissertation for obtaining the master's degree ""M.Sc."" Abstract Mechatronic Engineering Considering the reduction of potable water resources and also the increasing population of cities, the increase in the number of subscribers, the need to increase the speed and accuracy in meter reading and reduce excess costs, in order to achieve modern technologies, extensive research has ...
Dissertation of the master's course in electrical field (M. Sc) orientation: power Abstract: In this thesis, electrical and mechanical defects in electric machines are examined and the factors that cause them and the methods of fixing these defects are stated. After that, with the help of the winding function method of the simulation machine and the intended error, i.e. the ...
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 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 civil engineering, river engineering, abstract, the lack of water resources and the poor quality of drinking water in the city of Qom, due to the predicted warming of the climate and the increase in the population, as well as the lack of a reliable water source within the limits of this province, reveal the necessity of carrying out the water ...
Dissertation for Master's Degree (M.Sc) Major: Applied Chemistry Persian Summary The purpose of this research is to investigate common fatty acids in ostrich oil and determine the amount of retinol in snail secretion to make a cream with therapeutic properties. Since 3000 years ago, the healing properties of ostrich oil have been known to treat wounds, burns, joint pain and skin ...
Dissertation for receiving the master's degree ""MSc"" specialization: applied chemistry Farsi abstract of the thesis or dissertation (including: summary of objectives, implementation methods and results obtained in maximum 10 lines): The possibility of manipulating matter at the nano level was first proposed in written form by Richard Feynman. During his conference called ...
Thesis for Master's degree in the field: Chemical Engineering Abstract Today, tea is one of the most popular drinks among the people of the world, especially in Iran, that's why drying tea leaves is essential for long-term storage. In this research, both a tea leaf and a pile of it were examined and dried. Green tea leaves were dried in the temperature range of 35 to 55 degrees ...
-1. Introduction Helicobacter pylori, which was originally called Campylobacter pyloridis, is a microaerophilic Gram-negative bacillus that is mostly found in the deep parts of the mucous gel covering the gastric mucosa or between the mucus and the gastric epithelium (1). This bacterium can produce surface factors that are chemotactic for neutrophils and monocytes and in turn ...
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 ...
Master's thesis in the field of chemical engineering, abstract of the design of the Driso ring base and the use of hydrocarbon solvent in the dehumidification process in Farashband refinery, water vapor is one of the most important impurities in the flow of natural gas. Usually, the water vapor itself is not a problem, but instead the liquid or solid phase that forms when the ...
Dissertation for Master's Degree in Health Sciences in Nutrition Abstract: Background and Objective: Acne is one of the most common skin diseases in the developed regions of the world, which a large number of the world's population suffers from during their lifetime. The causes of its occurrence are not yet fully known and sometimes common treatments are associated with side ...
1-1- Introduction Cardiovascular disease (CHD) [1] and above all coronary artery problems are one of the main causes of death in the new century and the first causes of death in Iran. High blood pressure, high blood fats and lipoproteins, age, sex, lifestyle, nutrition, smoking, inactivity, diabetes and obesity are among the traditional risk factors of cardiovascular diseases ...
In order to obtain a master's degree in chemical engineering, abstract freezing of fans in operational units, including the hydrogen unit of Imam Khomeini Shazand Refinery in the cold seasons of the year is one of the important problems in this refinery. In order to provide a suitable solution to this problem, we must have a suitable estimate of the fan outlet temperature. The ...
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 ...
Dissertation for Master's Degree in Power Electrical Engineering Abstract In this thesis, a hybrid power generation system using fuel cell/battery/supercapacitor to power a light electric vehicle with independent excitation electric motor drive system was studied and simulated. The electric vehicle system consists of a feed and control system, multiple sources, power control ...
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 for receiving a master's degree, specialization: microbiology. Abstract Staphylococcus aureus is considered as the third most important cause of food-borne diseases. Milk is the primary source of Staphylococcus aureus and milk products are a known source of staphylococcal poisoning. This study was conducted to determine the prevalence of Staphylococcus aureus in ...
Dissertation to receive a Ph.D. degree in Pharmacy Persian Summary Urinary tract infection (UTI) is the occurrence of infection due to the entry and growth of bacteria in any part of the urinary system, including the organs that collect and hold and excrete urine, namely the kidneys, ureters, bladder and urethra. UTI is usually caused by the entry of bacteria that can live in ...
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 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. ...
Academic Thesis for Master's Degree in: Physical Education and Sports Sciences, Sports Physiology, Abstract The purpose of this study was to evaluate the effect of one week of glutamine supplementation on oxidative stress caused by activity. Nineteen young, healthy, non-smoking men voluntarily participated in this study. Subjects were randomly divided into placebo (10 people) ...
Thesis for obtaining a master's degree in organic chemistry. Abstract: Title: Effective three-component synthesis of new 4-aryl-5-(tert-butylamino)-2-(1-methyl-1H-pyrrol-2-yl)furan-3-carbonitrile derivatives. In this research, a direct and efficient method for preparing new 4-aryl-5-aminofuran derivatives through a three-component one-pot reaction ...
Dissertation for receiving M.Sc degree) Major: Inorganic Chemistry Dissertation Abstract: We used Density Functional Theory (DFT) method at DFT/6-31G level to investigate the geometric structure, relative energies and electronic properties of possible protropic tautomers in Nexium, Protonix and Lamivudine. The structure and relative energies of tautomers in different solvents ...
Dissertation to receive a specialized doctorate degree in the field of oral diseases Abstract: Mucositis or inflammation of the mucous membrane is one of the early side effects of radiation therapy, which can cause ulcers in the oral mucosa and sometimes the inability to eat despite common treatments. Therefore, the use of compounds with a pleasant and acceptable smell and ...
Master's course in intensive care nursing Abstract Introduction: In the intensive care unit, ventilator-associated pneumonia ranks first among hospital infections. Since the role of nurses in preventing this complication is very important, the present study was conducted in order to compare the effect of two methods of face-to-face training and clinical guidelines for the ...
Dissertation to receive a general doctorate, abstract, introduction and purpose, among the banding problems in orthodontics, is the creation of decalcified areas around the bands. On the other hand, during the treatment, the bands are prone to loosening and the cement used must have sufficient strength. Recently, new compounds containing amorphous calcium phosphate (ACP) have ...