Download more than 72 examples of thesis, proposal and project topics about cylindrical shell 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 M.Sc Master's degree, mechanical engineering-applied design Abstract With the emergence of composite materials, a huge progress was achieved in many engineering applications. Nevertheless, problems such as delamination, stress concentration, and discontinuous distribution of stress, the idea of ??creating a new type of composite materials in which properties ...
Master's thesis in the field of civil engineering, soil and foundation, in this research, the bearing capacity of the conical pile group and the cylindrical pile group with the same volume are calculated and compared. Due to the lack of numerical studies and modeling by software for conical piles compared to laboratory tests in this field, in this research, the modeling of the ...
Dissertation for Master's Degree in Civil Engineering – Shahrivar Marine Structures, September 1992 Abstract: Pipe-in-pipe systems are widely used in transmission line applications.
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
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: 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 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 ...
Abstract Helicobacter pylori is a gram-negative, spiral-shaped, microaerophilic bacterium that lives in the human stomach. This bacterium is often seen in patients who suffer from chronic gastritis or stomach ulcers. Helicobacter pylori infection is asymptomatic in more than 80% of people. It seems that this bacterium plays a role in maintaining the natural ecology of the ...
Dissertation for Master's Degree in Public Management, Organizational Transformation Orientation Winter 1391 Abstract The current research aims to investigate the relationship between transformational leadership and Empowerment of psychology
Dissertation for M.A. Degree: Psychology Abstract: The purpose of this research was to evaluate the relationship between stress coping styles and general self-efficacy with job satisfaction of male and female nursing staff in Dezful city health centers. The sample of the research was 123 people (equivalent to the total research population) male and female residents of the health ...
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 ...
The thesis of the master's degree in dramatic literature was Nikolai Gogol, a Russian novelist and dramatist, who dealt with social realities with an emotional and humorous look in his works. In the first chapter, the generalities of the research are presented. In the second chapter, Luk?cs's point of view in this field is also explained. In the third chapter, Gogol's approach ...
Dissertation for receiving a master's degree, field of study: electricity-power, orientation: electric machines in a synchronous generator, a dc current is applied to the rotor coil to produce a magnetic field. Then the rotor of the generator is rotated by a prime mover to create a rotating magnetic field in the machine. This magnetic field induces a three-phase voltage in the ...
Dissertation for Master's degree (M.A.) Field: Public Administration Abstract Quality of work life as a goal that improves organizational performance by creating more challenging and effective jobs and work environment for people in all organizations. The main purpose of this research is to investigate the effect of dimensions of quality of work life on the job satisfaction of ...
Dissertation for Master's degree (A.M) specialization: painting Abstract of this research was done in order to investigate new media in the art of the 20th century. Research, descriptive, analysis and content methods were used to carry out these studies, as well as the methods of collecting information in the form of library and data collection. The main purpose of this thesis ...
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 ...
The academic thesis for obtaining a master's degree in the field of visual communication. Abstract Decorations in Iranian architecture have always been used as one of the methods of creating beauty by maintaining the unity of the whole in the same multiplicity of parts. Various types of decorations have been used in Iranian architecture. These decorations include various plant, ...
Dissertation for Master's Degree in Civil-Structural Engineering Abstract In our country, most of the structures and maybe all the conventional buildings are analyzed and designed independently, which means that these structures are mainly analyzed and designed by conventional software and considering a rigid or articulated support, and then the forces obtained at the base of ...
Dissertation for Master's Degree in Civil Engineering, Marine Structures, Abstract: Tension-based platforms are among economic marine platforms for use in deep waters. The correct prediction of the platform's dynamic response to environmental loads is very important in its economic and safe design. In this research, the dynamic behavior of the tension base platform under the ...
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 Civil Engineering with Earthquake Orientation Abstract: Semi-rigid joints [1] are joints whose hardness is between the two states of grip and joint and transmit a part of the anchor, in other words, its degree of rigidity is between 20% and 90%. In this thesis
Master's Thesis in Civil-Structural Engineering Today, domes and arches have found wide applications in architectural and industrial structures due to their suitable coverage of large openings. The use of today's technologies in styling and optimizing energy consumption in these types of structures is one of the important challenges facing engineers. Therefore, the need to ...
Dissertation for Master's degree (M.S) Chapter 1 History of dynamic analysis of liquid storage tanks and regulatory orders in this regard Abstract The main goal of this research is to investigate the effect of the presence of seismic isolators on the dynamic performance of liquid storage tanks during an earthquake. In this regard, it is necessary to first know the dynamic ...
Dissertation for master's degree in civil engineering, structural orientation. Abstract Good bond strength between the old and new concrete surface is a key factor in the performance of concrete repairs. The purpose of this thesis is to investigate and evaluate the bond strength between the surface of the old concrete and the added concrete. In this thesis, a laboratory research ...
Dissertation for receiving M.SC Master's degree Major: Water Engineering Abstract: Dams are the largest man-made structures. Their design often stems from their unique nature and the consequence of failure, which is certainly greater than the collapse of other types of structures. The stability of dam body and foundation structures can be analyzed and checked in various ways. ...
An academic thesis for receiving a master's degree in chemical engineering, environmental orientation. Among the models that are able to make successful predictions for the performance of reverse osmosis membranes, that is, the amount of separation and flow flux in a wide range of physical conditions (membrane and solution) and laboratory conditions (pressure and concentration), ...
Tendency of soil mechanics and foundations. Abstract: Investigating the behavior of soils due to different loadings is one of the most important issues in geotechnical engineering. The behavior of soils depends on several parameters such as grain size, grain type, loading method, stress history, etc. Non-alignment of main stress and main strain directions is a phenomenon that ...
Dissertation to receive a master's degree in the field of Analytical Chemistry, Abstract Biosynthesis of gold nanoparticles with small size and biological stability are very important and have various biomedical applications. In this work, an easy and simple method for the green synthesis of gold nanoparticles using willow tree bark extract is reported. The bark of the willow ...
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 for Master's Degree (M.A.) Major: Information Systems Management Abstract One of the important trends in business and management in the 21st century, which has been seriously raised since the mid-90s, is focusing on the spirituality of employees in organizations. Adherence of public sector servants to ethics and the crystallization of this commitment in their ...
Master's Thesis in Chemical Engineering (Gas Orientation) Abstract Laboratory Investigation of Gas Dehumidification Using Triethylene Glycol Solution in Hollow Fiber Membrane Contactors In this study, two hollow fiber membrane contactors with different types of Polyvinylidene Fluoride (PVDF) and Polypropylene (PP) fibers have been used for gas dehumidification by Triethylene ...
Master's Thesis in Civil Engineering (Soil and Foundation) Abstract Dense sand piles have been used since 1950 in Japan and then in other countries of the world as one of the most effective and economical methods in strengthening soil in order to prevent liquefaction, increase bearing capacity and improve soils with different grain sizes. The process of implementing dense sand ...
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. ...
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 ...
Dissertation for Master of Chemical Engineering Abstract: In this research, it is attempted to solve one of the major problems in the field of drug production, i.e. improving the solubility of drug particles in body fluids[1] by using the process of solvent/anti-solvent precipitation and nano-scale sediment production in a ?-shaped microchannel, the effect of surfactant ...
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 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 for obtaining a master's degree in the field of chemical nanoengineering Abstract In the uranium enrichment unit by centrifuge, UF6 gas after passing through the centrifuge and performing the enrichment process, enters the cold trap and is solidified and collected at a low temperature. One of the absorbents used to absorb uranium hexafluoride is sodium fluoride. The ...
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 ...
Thesis of the master's degree in the field: chemical engineering, abstract. In designing the network of heat exchangers, the designer usually considers high operational flexibility in the presented plan. However, some of the changes that occur in the operating conditions of the process after the design, determine the need to modify the existing network. The purpose of the ...
Dissertation for receiving professional doctorate degree in veterinary medicine Abstract In order to detect Histomonas mele agridis in slaughtered turkeys in Isfahan province, 200 blood samples and 200 liver samples were taken in the slaughterhouse and after DNA extraction, the 550 bp fragment of 18SRNA gene was amplified. In addition, liver samples were preserved in 10% ...
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 ...
Dissertation: To obtain the degree of professional doctor of veterinary medicine (D.V.M.) Farsi abstract title: Evaluation of the total dissolved solids (TDS) factor in the drinking water of poultry farms in Piranshahr city. Water is considered one of the most important chemical substances in terms of biology and exists in solid, liquid, and vapor forms in nature. Water is one ...
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 master's degree in the field of agricultural engineering, science and food industry, food microbiology. Abstract The antimicrobial effect of elderberry kernel extract as a substitute for chemical preservatives in the market was investigated on the chemical, microbial and sensory characteristics of mayonnaise. The measurements showed that the ...
Master's Thesis in Mechanical Engineering - Applied Design Abstract In recent years, most of the researches have been focused on compressive and combined loading in order to investigate the buckling of nanotube structures, and for this purpose, the work done on tensile loading is very limited. Since the results of compressive and tensile loading in carbon nanotubes are ...
Dissertation for Master's Degree in Mechanical Engineering (Applied Design) Abstract: Electromechanical micro and nano systems have been noticed due to their distinctive features and unique characteristics, mainly in the two fields of sensors and sensors, in various sciences such as mechanics, aerospace and medicine. Electrostatic stimulation is one of the simplest and most ...
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, ...
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 M.Sc degree in mechanical-structural engineering and the production of aluminide permeable coatings for the protection of gas turbines used in power plant, aviation, marine, oil and gas and petrochemical industries, which are mainly attacked by high temperature oxidation and hot corrosion phenomena. In this research, in order to use the effect of ...
Master's Thesis in the field of Water Engineering - Water Structures Abstract: The effect of piles with the presence of gaps and collars in reducing the local scour depth of the bridge foundation is one of the important issues in hydraulic engineering, the investigation of the local scour around the bridge foundation. Local scour has the potential to compromise the structural ...
Dissertation to receive a master's degree in the field: Chemistry, specialization: organic. Abstract In recent years, the use of nanotubes as nanocarriers for drug delivery has been researched. In this research, fullerene C60 and nine different nanotubes have been used as carriers of the drug molecule 8-hydroxyquinoline. First, the structure of HQ-8 drug molecule and nanotubes ...
A Master's Thesis in the field of Animal Science- Animal Physiology Abstract: The effect of adding dry citrus pomace powder on the reproductive performance of old broiler chickens with the aim of improving egg quality and sperm penetration into the vitelline layer and increasing fertility. The number of 36 broiler chickens of the Cobb 500 strain and their 12 hens of the same ...
Thesis for receiving a master's degree in the field of agricultural engineering, food science and food industry, food technology, abstract. Halva in Iran, despite its high potential in diversity and creating added value, has not been industrially produced to date, and the purpose of this research is to investigate the formulation of wheat flour halva and its production and ...
Field of study: Mechanics, orientation: energy conversion. The present research was conducted in order to investigate the movement of pig in pipelines. Due to the importance of pipelines in providing energy resources in the world, after installation and operation, the maintenance of these lines is of high importance, which has caused special attention to be paid to the design of ...
Mechanical Engineering Master's Thesis - Applied Design Abstract Today, in various industries such as aerospace, atomic energy, chemical industries, refineries, petrochemical industries, etc., there is a need to use high-pressure mechanisms to enable the completion of relevant processes. The increase in pressure is done inside the cylindrical chambers and as a result, such an ...
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 ...
Thesis for Master of Science in Agriculture Abstract In order to investigate the effects of different levels of iron and the use of mulch on the growth and performance of beans in the agricultural year of 2013 for one season of autumn cultivation after harvesting peanuts in Salestan village of Astana Ashrafieh in Gilan province, it was carried out using a split-plot experiment ...
Abstract: Weevil species of Larinus spp. (Col.: Curculionidae) feed on the seeds of dark weeds of Asteraceae and are effective in controlling weeds belonging to this family. In this research, Larinus species were collected by regular sampling during different growth stages of dark weeds of Asteraceae during 2009 and 2010. In this study, seven Larinus species with the scientific ...
History of Aluminum Rolling Company 1- Introduction of Arak Aluminum Rolling Company in 1351, 2 km from Arak-Aqran road, on a land with an area of ??22 hectares, approximately 1.2 hectares of which is under the factory building and administrative role, and 2 hectares of which is green and open space, which is the development and expansion and renovation of Iran's industries. ...
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 ...
Dissertation for master's degree in Applied Design-Dynamics and Control Abstract: Transverse instability is one of the common problems in high-speed rail vehicles, which occurs on rails without arches and due to the friction-creep nature of wheel-rail contact that creates non-conservative forces in the system. This phenomenon is called hunting, which is a type of ...
Abstract: The green wheat aphid, Sitobion avenae (Fabricius), has been one of the important pests of small grains, especially wheat, in recent years, and its population is expanding, and it is one of the important factors of barley yellow dwarf virus transmission. Recently, it has been suggested that induced resistance can be used to reduce the insect population. Induced ...
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 for Master's Degree in Energy Conversion Mechanical Engineering Abstract: Fluid propulsion vector orientation has emerged as an important technology for high performance air vehicles. This technology can improve the maneuverability of the aircraft by changing the nozzle flow and its deviation from its axial direction. The purpose of this study is to investigate the ...
Dissertation for M.Sc Master's Degree, Mechanical Engineering - Applied Design Abstract Modern wind turbines today tend to vibrate a lot due to their elastic, long and narrow structure. Therefore, all components of wind turbines should be subjected to vibration and modal analysis in the design stages, and their natural frequencies should be reviewed with turbine excitation ...
Master's thesis in the field of mechanical engineering - applied design approach. Abstract: Identifying the stiffness and damping coefficients of a beam support. By: Majid Abedi. Supports and connections play a fundamental and important role in engineering structures. It is necessary to identify different support parameters. Stiffness and damping parameters are the most ...
Dissertation for receiving a master's degree in the field of agricultural engineering-horticulture (flowers and ornamental plants) Electromagnetism with a short wavelength and a very high number of oscillations (frequency) is between 300 MHz and several GHz per second. In this research, from the 2M226 magnetron with a wavelength of 12 cm, radiating waves in the frequency band of ...
Master's thesis in the field of mechanical engineering (applied design trend) Abstract of the study of the deterioration of non-isotropic TWB sheets under the hydroforming process. During the research, four different metals of aluminum alloys 6111-T4, 5083-H18, 5083-O and dual-phase steel DP590 and two spherical tensile tests and simple uniaxial tensile tests were used. Then we ...
Master's Thesis, Energy Conversion Engineering, Abstract: In many processes in the industry, the combination of liquid droplets with gas flow will lead to problems such as corrosion of downstream equipment and loss of expensive liquids. To solve these problems, the phases are separated from each other with the help of a separator. Cyclone separators, as a type of high efficiency ...
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 Mechanical Engineering (Energy Conversion) Abstract Numerical investigation of the effect of microstructures on heat transfer and fluid mixing in microchannels, the need for high heat transfer from electronic packages and optical systems, etc., has created a challenge in the field of thermal management. In this context, microchannel heat wells play a great ...