Download the thesis about cotton fiber structure✅ Word Document

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 ...

Master's Thesis of Ardakan Faculty of Art and Architecture, Carpet Department (Primary Materials and Dyeing) Mehr 2013 Abstract: During the period of its use, the hand-woven carpet may be affected by various factors and conditions

Master's Thesis of Chemical Engineering Abstract In the last few decades, due to the growth of the population as well as the improvement of living standards, the consumption of fibers and the production of textile waste materials have increased greatly. Burial and burning are one of the main ways of managing textile waste materials, which have destructive environmental effects. ...

Dissertation for M.Sc degree, specialization: manufacturing and production, abstract in this thesis, how to improve the properties of plastics with the help of heat treatment. First, we will talk briefly about polymers, plastics and their sub-branches and heat treatment on them, and then we will discuss the effect of annealing heat treatment on heavy polyethylene sheets that are ...

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

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

Dissertation to receive a master's degree ((M.A)) orientation: human resources. Abstract This research aims to investigate the role of necessary infrastructure in the implementation of the administrative automation system (mechanized circulation of correspondence) in the schools of Astara city. In order to achieve these goals, we proposed four hypotheses, which are: 1- A ...

The effect of fiber and pozzolanic materials on the mechanical properties of glass fiber reinforced concrete Master's Thesis of Civil-Structural Engineering Abstract The failure and destruction of concrete is highly dependent on the formation of cracks and microcracks. With increasing loading, microcracks are connected and form cracks. In order to solve this problem and also to ...

Dissertation for receiving a master's degree in the field of civil engineering with a focus on soil and foundation. Abstract: The compressibility behavior of soils has become an important concern in geotechnical engineering. As buildings, embankments and roads are implemented, significant settlements often occur. Since long-term settlements occur due to creep, therefore, the ...

Education Level: Master's Degree, Field: Civil Engineering, Major: Structures Abstract: In this thesis, the effect of nanosilica on the mechanical properties and durability of concrete containing polypropylene fibers was investigated. Polypropylene fibers with a length of 18 mm and a ratio of length to diameter of 0.9 mµ were used. The effect of fibers and nanosilica in three ...

Dissertation for receiving the master's degree ""M.Sc"" orientation: abstract structure In today's reinforced concrete buildings, the use of interframe separators is very common. Intermediate frames with building materials are the main types of separators that are used in this type of buildings. In previous research, these interframe separators are usually considered as ...

Master's thesis in the field: Chemical Engineering Abstract In this research, a comprehensive two-dimensional model based on the Finite Element Method (FEM) is proposed for modeling gas-solvent membrane contactors to remove carbon dioxide[1] from synthesis gas. Aqueous solution of monoethanolamine has been used as absorbent solvent stream and CO2/N2 gas mixture as gas stream. ...

Dissertation for receiving a master's degree in electrical engineering, electronics orientation. Chaos theory was founded at the end of the 20th century by Lorentz. Chaos science investigates non-linear systems and their behavior in different conditions. Since the systems around us are mostly non-linear, by creating feedback in them, they may show chaotic behavior, so chaos ...

Dissertation for receiving a master's degree in electrical engineering, electronics orientation. Chaos theory was founded at the end of the 20th century by Lorentz. Chaos science investigates non-linear systems and their behavior in different conditions. Since the systems around us are mostly non-linear, by creating feedback in them, they may show chaotic behavior, so chaos ...

Mechanical Engineering Master's Thesis Proposed Design - Introduction The use of fibers in concrete started about 50 years ago and day by day their use in various fields has increased. Adding fibers to the mixing design improves the mechanical properties of concrete and the behavior of the structure after cracking. It also increases the softness and malleability of the section. ...

Master's Thesis of Polymer Science and Technology Engineering Abstract Urethane-acrylate resins are of interest due to their low viscosity and flame retardant properties and relatively easy curing. On the other hand, natural fibers with renewable resources, low price, low density and high special properties have a special ability to be used in composites. However, their ...

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 ...

Master's Thesis in the field of electrical engineering, electronics, abstract of the time response and circuit model of an optical detector based on the structure of graphene layers-graphene nanoribbon-graphene layers. The purpose of this research is to present the time response of an optical detector based on graphene layers and graphene nanoribbon. The need to increase the ...

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

Dissertation for the Master's Degree in Plant Pathology (M.Sc.) Abstract Wilt is caused by different species of Verticilium and is one of the most important diseases of cotton in most regions of the world. Among the disease-causing species, V. dahliae is the dominant species in most parts of the world. Fungus is the cause of soil disease and causes quantitative and qualitative ...

Master's Thesis on Car Structure and Body Abstract In recent years, many researchers have allocated their attention to a special category of materials, memory materials. The ability to absorb and control vibrations actively or passively, respectively, is affected by the features of shape memory and hysteresis energy loss caused by the pseudo-elastic characteristics of these ...

Dissertation for obtaining a master's degree in civil engineering, structural orientation, March 2013, abstract of the scope of using FRP materials for shear strengthening of reinforced concrete beams in

Dissertation of master's degree in civil engineering, structural orientation, October 1390, first chapter of generalities. 1-1 Introduction In recent years, there have been many advances in the field

Dissertation for Master's Degree in Civil Engineering (M.Sc) Orientation: Structure Winter 2013 Abstract: Resilient construction of important government buildings, infrastructure facilities and vital arteries due to the increase

Thesis for receiving a master's degree in the field of civil engineering with structural orientation in February. 2013 Abstract: In recent years, significant progress has been made in the field of improvement and resistance

Master's Thesis of Faculty of Art and Architecture, Department: Carpet (Painting), October 2013 Abstract: Today, in today's advanced and industrialized world, using new methods, it is trying to make Tul products

Dissertation for Master's Degree in Polymer Industry Engineering April 2013 Abstract Nowadays, the topic of energy and energy saving in all fields, even in homes, is one of the most important.

Master's Thesis, Geography, Geomorphology, Abstract: The wide plain of Khuzestan hosts important permanent rivers, the largest of which is the Karun River. The Karun watershed is one of the largest sub-basins of Iran and a part of the main watershed of the Persian Gulf and the Oman Sea. The Karun River, with a length of about 890 kilometers, consists of four main branches, named ...

Master's Thesis in Software Abstract Today, the world of communication is developing at an indescribable speed, and the Internet plays a significant role in this evolution. Mobile users want access to the Internet and wireless networks have provided this possibility. {Formatting Citation} Establishing secure communication and user security and maintaining service quality[1] at ...

To receive a master's degree in textile technology engineering. Abstract In the previous research, multi-sized nano-roughness was developed using nanoparticles with different sizes and different surface charges along with silicone resin coating to produce multi-purpose textiles with stable properties. In this research, the idea of ??using laser irradiation and finishing textiles ...

Thesis for obtaining a master's degree in the field: computer, software, abstract. In a sensor network, which is a pervasive distributed system, communication synchronization is one of the discussed cases. One of the main tasks of synchronizing processes is mutual exclusivity. The new algorithms provided are more fair compared to the old algorithms. In this thesis, we present a ...

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 degree in physical education (pathology and corrective movements) The effect of yoga exercises and central stability on balance and posture abnormalities of women with multiple sclerosis Abstract Introduction: Multiple sclerosis is the most common progressive neurological disease in young adults. This disease causes the destruction of myelin in the nerved axons and ...

Master's thesis in the field of computer engineering (artificial intelligence) abstract of various image processing techniques are widely used in the field of dentistry. Among these applications, we can mention the identification based on dental images, the detection of dental caries, as well as the identification and examination of dental lesions, which mainly occur around the ...

Master's thesis in the field of civil engineering, structure orientation. Abstract: In this study, the effect of some effective parameters on the strength of polymer concrete based on epoxy resin, including hardener, filler, and solvent, has been investigated. Rice husk ash and broom stalk ash were used as fillers and acetone-toluene mixture with a ratio of 50-50% was used as a ...

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 ...

Master's thesis in the field of civil engineering, structural orientation. Abstract In this study, the evaluation and comparison of nonlinear and numerical analysis of deep reinforced concrete beams with openings without reinforcement with deep concrete beams with openings reinforced with FRP sheets and deep reinforced concrete beams without openings by Abaqus finite element ...

Dissertation for master's degree in the field of civil engineering, road and transportation, the abstract of asphalt failures is one of the problems that are the concern of road and transportation engineers today, and every year huge costs are spent on the maintenance and repair of asphalt roads. Many efforts have been made to increase the strength and life of asphalt, among ...

Dissertation for Master's Degree in Civil Engineering, Structures, Abstract: This thesis is the results of a numerical and parametric study on the effect of reinforcing reinforced concrete shear wall with FRP composite and applying the results of the finite element method. The finite element program is compared and calibrated against experimental data. Then, the numerical ...

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

Master's thesis in the field of civil engineering, structure orientation Alkaline Aggregate Reaction [1] (AAR), is a chemical reaction that occurs in some concrete structures. (AAR) is a reaction between alkaline fluids in the pores and silica aggregates. Concrete failure, including expansion and cracking due to the alkaline reaction of aggregates, is of particular importance. ...

Master's thesis in the field of structural civil engineering Abstract: Steel-reinforced concrete is a material that is widely used in civil engineering structures due to reasons such as suitable compressive strength, low cost of preparation and availability of raw materials. But reinforced concrete prepared from cement paste, ordinary aggregates, and steel rebars has weaknesses ...

Master's thesis in the field of chemical engineering (simulation and process control) abstract design of the control system for the fluidized bed reactor for the production of linear light polyethylene of the LLDPE unit of Jam Petrochemical under the license of Basel and Spherilene technology with an annual production capacity of 300,000 tons of product is one of the largest ...

Dissertation for receiving a master's degree in the field of civil engineering, structure orientation. Abstract: Today, many reinforced concrete structures that are in operation are more than 75 years old and have been damaged due to natural disasters such as earthquakes and wind, or due to material fatigue or corrosive factors. Maintenance of structures is very important due to ...

Dissertation (dissertation) to receive a degree... in the field of physical education and sports sciences, specialization in sports physiology. Therefore, the aim of this study was to investigate the effect of endurance, strength and parallel exercises on heart rate, systolic blood pressure, diastolic blood pressure, and PR interval in the workers of Pars Khodro Company. In ...

Dissertation for receiving a master's degree in the field of Civil Engineering (M.Sc) Major: Structure Abstract: The retrofitting of important government buildings, infrastructure facilities and vital arteries due to the increase in terrorist attacks around the world and the possibility of bombings near buildings and urban places is one of the most important discussions in the ...

An academic thesis for receiving a master's degree in the field of physical education in the field of motor behavior, strengthening the factors of muscle function in the developed training stages and maintaining these abilities is considered one of the most important tasks of coaches and athletes when they are not training or are injured. With this aim, the present research ...

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. ...

Master of Physical Education (Pathology and Corrective Movements) Abstract Introduction: Multiple sclerosis is the most common progressive neurological disease in young adults. This disease destroys myelin in nerve axons and causes functional damage. One of the important areas involved in MS is the cerebellum. A problem in this structure causes a disturbance in balance, etc., ...

Dissertation for receiving the degree of Doctor of Dentistry, Dental Materials Research Center Abstract Objective: One of the objectives of this study was to investigate the fracture resistance of the teeth coated with various crown and root restorations. Materials and methods: 60 freshly extracted human premolar teeth were selected and randomly divided into five groups of ...

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 to receive master's degree in organic chemistry Keywords: Farsi: Besparash, condensation, composite, nanocomposite, anchoring Nitrogen in bonding with metals can destroy them

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 ...

Abstract: Introduction: One of the main goals of treating periodontal diseases is to preserve the alveolar bone in order to continue the survival of the tooth. There is a suspicion that if the activity of osteoblast cells is stimulated and the osteoclastic activity of bone cells is prevented during the treatment process, the bone structure can be rebuilt. The positive effect of ...

Dissertation for receiving the degree of Doctor of Dentistry Abstract The long-term clinical success of implants is dependent on osseointegration and adhesion of soft tissues and epithelium to implant surfaces. Various indices including: plaque index, gingival index, bleeding during probing and bone resorption are used to evaluate the health of the soft tissues around the ...

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 ...

Dissertation for M.Sc. Degree: Food Industry Abstract: Pectinases are a group of hydrolytic enzymes that break down pectic substances. Exopolygalacturonase (exo-p) and endopolygalacturonase (endo-p) are two types of this group. In this study, two fungal species, namely Aspergillus niger and Vetrichodermarisi, which were able to produce pectinase, were isolated. The results of ...

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 ...

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

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

Dissertation for M.Sc Master's degree, specialization: process engineering, abstract of the proposed project, the feasibility of converting gas condensates into products with higher added value and consumable fuels such as gasoline. Considering the huge gas and oil reserves in Iran, this country is one of the major importers of gasoline. Therefore, it is very necessary to ...

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

Dissertation for receiving a professional doctorate degree Introduction: According to the studies conducted, the prevalence of various causes of intestinal obstruction is different in the west and east of the planet, and finding the common causes in Shahrood, which is the goal of this research project, can lead the doctor to a better diagnosis. During the studies that were ...

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 Master's Degree in Analytical Chemistry Abstract Nowadays, nanostructures have attracted the attention of many researchers due to their new features and applications in different fields and branches of science and technology. Meanwhile, nanocomposites, due to their unique physical and chemical properties, as well as potential applications in catalytic, ...

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 for Master's Degree Abstract Carbon nanotube can be considered the most amazing nanostructured material discovered so far. Unique features such as high strength, light weight, and high energy absorption capability have made this material recently attracted the attention of scientists in making bulletproof vests. In this thesis, a structural model in the Abaqus ...

Dissertation for receiving a master's degree in the field of agricultural engineering, food science and food industry, food chemistry. Abstract: In the meat industry, the shelf life and juiciness of the meat is of particular importance, which is the purpose of this research. In this research, the thigh and breast muscles of chicken and ostrich meat were used, and 5 samples of ...

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 ...

Dissertation to receive a specialized doctorate degree in dentistry in the field of pediatrics Abstract History and Purpose Traumatic dental injuries are considered one of the most common events in childhood and adolescence. Among these injuries, ovalgen (falling out of the tooth from the socket) is considered a real emergency and requires quick and accurate treatment by a ...

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 ...

Master's Thesis in Mechanical Engineering-Applied Design Abstract In this thesis, classical sheet theories, first-order shear deformation theory and refined two-variable theory for the free vibration problem are investigated using standard finite element and hierarchical finite element methods. The refined two-variable theory is an equivalent single-layer theory, in which two ...

Dissertation to receive a master's degree in mechanical engineering in the field of construction and production. Abstract: The growth and expansion of cities and the development of urban life require up-to-date and expandable infrastructure. Transportation systems are among the basic infrastructures in cities, among which the creation and development of subway networks is of ...

Dissertation for Master's Degree in Mechanical Engineering Field: Applied Design Abstract In this thesis, stability analysis of composite beam reinforced with carbon nanotubes on elastic support under axial force is investigated. The distribution of nanotubes is assumed to be uniform[1]. To determine the properties of materials reinforced with nanotubes, the results of molecular ...

Master's Thesis in Mechanical Engineering (Applied Design): Abstract of the analysis of leading damage in pin connections of composite materials. The purpose of this research is to analyze the leading damage in pin connections of composite materials. To do this, finite element software ABAQUS and FORTRAN programming have been used. The contact between the composite plate with ...

The abstract of this research was carried out with the aim of comparing the natural durability of hand-planted and natural Zerbin species against white rot[1]. For this purpose, the effect of rainbow fungus [2] (white rot agent) on hand-planted and natural Zerbin wood was analyzed. A factorial design with random blocks was used for this study. The samples were prepared and ...

Dissertation for obtaining a master's degree in civil engineering. 2013 Winter Earthquake Abstract of earthquakes close to the fault due to having pulse type movement with a long period at the beginning of the record, including

Thesis of master's degree in civil engineering, soil and foundation mechanics orientation, September 2019, abstract: analysis of dynamic interaction between soil and structure (due to the mutual effect of the structure and its retaining soil on each other), D

end‌name? Rasht Master's Degree: Civil Engineering (M.S.C.) Focus: Hydraulic Structures Academic Year 2011-2012 Summary of the Minab River, the most important river of Khan? The fresh water is in Hormozgan province. this river

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