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Number of pages: 94 Category: Agricultural Engineering

Thesis for obtaining a master's degree in the field of: Agricultural Engineering, Agricultural Management, Abstract: In Iran, the agricultural sector is the largest water user. The low relative input price of irrigation water used in the mentioned sector causes the lack of proper investment in water harvesting technologies and its waste up to more than 80%. One of the important ...

Number of pages: 97 Category: Agricultural Engineering

Dissertation for Master's Degree in Natural Resources Engineering - Watershed Abstract After glaciers and ice sheets, underground water resources are the largest fresh water reserves on earth and are one of the important sources of fresh water supply needed by humans. Since in most parts of the country, rains are often insignificant and sometimes appear as destructive floods, ...

Number of pages: 80 Category: Agricultural Engineering

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

Number of pages: 129 Category: Civil Engineering

Thesis for receiving a master's degree in the field of civil engineering of hydraulic structures, October 2013 This study is to quantitatively evaluate the effects of watershed operations and with the aim of evaluating the efficiency of projects

Number of pages: 104 Category: Agricultural Engineering

Master's Thesis in (Agricultural Economics Engineering) Winter 2013 Abstract: Drought is one of the major problems that Kerman province is facing. And in the last decade, it has gained critical dimensions

Number of pages: 82 Category: Geography - Urban Planning

Dissertation for obtaining a master's degree in the field: application of climate in environmental planning. Abstract Since the beginning of history, drought has been a part of climate changes in our environment. The lack of water on one hand and the indiscriminate and wrong use of water resources on the other hand are a serious threat to the environment and water resources in a ...

Number of pages: 226 Category: Civil Engineering

Master's thesis in the field of civil engineering, the trend of water engineering, which is used in various stages of the production of each product, is called virtual water[1] stored in the product. Many countries located in arid and semi-arid regions, by importing food, preserve part of the water needed for domestic production of products for use in other purposes. In this ...

Number of pages: 95 Category: Agricultural Engineering

Master's Thesis on Irrigation and Drainage Abstract In arid and semi-arid regions, wastewater treatment and its reuse is considered as an important factor in water resource planning. Some researchers believe that the use of treated wastewater in agriculture is a very suitable solution because the elements removed from the soil by the plants are returned to the soil and the risk ...

Number of pages: 66 Category: Agricultural Engineering

Thesis for obtaining a master's degree in the field of agriculture, specialization: agricultural management. Abstract Water is known as one of the most important basic resources in the development process in every human society. Water crisis is one of the important environmental challenges of the Middle East region. The present research was conducted with the aim of ...

Number of pages: 100 Category: IT Information Technology Engineering

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 ...

Number of pages: 57 Category: Agricultural Engineering

Dissertation for obtaining the master's degree ""M.Sc."" The trend of agricultural mechanization, abstract, increasing the efficiency of wheat production per unit area, with the use of tillage and planting techniques, has received the special attention of farmers. Atmospheric and stack planting is one of the new methods in wheat production, which increases agricultural yield and ...

Number of pages: 84 Category: Agricultural Engineering

Thesis for obtaining a master's degree in the field: agricultural engineering, horticultural sciences, specialization: physiology and breeding of fruit trees. Abstract: Drought stress is one of the most important factors limiting the growth of plants in arid and semi-arid regions of the world, such as Iran. The importance of using water resources and the occurrence of recent ...

Number of pages: 100 Category: Agricultural Engineering

Dissertation for receiving the master's degree ""M.Sc."" Orientation: Agriculture Abstract Effect of different levels of super absorbent (A-200) on the yield and yield components of wheat cultivar Shahriar at different levels of irrigation in two types of soil with different textures. This research was conducted in order to investigate the effect of the application of different ...

Number of pages: 88 Category: Geography - Urban Planning

Dissertation for Master's Degree (M.Sc.) Investigating the application of artificial neural network method in estimating the annual runoff of watersheds (Case study: Total Watershed, Fars Province) by: Jalal Zarei Abstract: The importance and place of water in human life, especially in the modern and overpopulated world, is not hidden from anyone, and industrial and urban life ...

Number of pages: 89 Category: Biology - Environment

Master's Thesis in Mechanical Engineering, Energy Conversion, Abstract Due to the lack of fresh water resources, it is of great importance to discover new ways of water production. One of the new methods of producing fresh water in low capacity is the use of air humidity, which is known as condensation water production system. In this method, the flow of hot and humid air is ...

Number of pages: 92 Category: Agricultural Engineering

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 ...

Number of pages: 82 Category: Agricultural Engineering

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 ...

Number of pages: 143 Category: Agricultural Engineering

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 ...

Number of pages: 78 Category: Agricultural Engineering

Dissertation for obtaining a master's degree in the field: Agricultural Engineering, specialization: Agricultural Management. Abstract In order to investigate the irrigation management of tobacco, which is one of the valuable agricultural and industrial products and is cultivated in different climatic conditions, an experiment was conducted in the form of split plots based on ...

Number of pages: 135 Category: Civil Engineering

Thesis for obtaining a master's degree in the field of civil engineering, oriented towards soil and foundation mechanics, Shahrivar   2013 Abstract Dams are always considered as infrastructure structures

Number of pages: 100 Category: Civil Engineering

Thesis for receiving the degree of M.Sc. Trend: soil and soil in February 2013 Abstract: Allowed load capacity or safe load capacity is a virtual pressure that is within the range of

Number of pages: 181 Category: Geography - Urban Planning

Dissertation for Master's degree (M.A) Major: Climatology Abstract: Geographically, Iran has little rainfall due to its proximity to the subtropical high pressure center of STHP and the prevailing weather conditions of this system. In the southern regions of the country, as a result of the longer rule of this system, the drought phenomenon becomes more acute. Rainfall changes ...

Number of pages: 124 Category: Agricultural Engineering

Abstract Today, rice is the main food of more than half of the world's population and rice is cultivated in five continents and more than forty countries. Rice is one of the main meals of the people of Iran, until 1340, Iran exported more or less rice annually, and since then, as a result of the improvement of the economic situation of the people and the rapid increase of the ...

Number of pages: 185 Category: Industrial Engineering

Dissertation for receiving a master's degree in the field of industrial engineering, Shahrivar's industrial trend. 2013 Abstract: Many economists consider agriculture as the driving force of economic growth.

Number of pages: 132 Category: Geography - Urban Planning

Dissertation for obtaining a master's degree in the field: Natural Geography, specialization: Geomorphology in environmental planning. Abstract: Flood is one of the most destructive natural disasters, which is usually associated with a lot of human and financial losses. Floods every year in the corners of the country cause a lot of damage to economic resources. The occurrence of ...

Number of pages: 62 Category: Management

Thesis for the Master's Degree in the Management of Dry and Desert Areas in the Name of God 1-1 Introduction: Iran is located on the geographical dry belt of the world, so that a significant part of the country's area is covered by deserts and desert lands. The existence of climatic and edaphic limitations has made the ecological structures in these areas very vulnerable, so ...

Number of pages: 82 Category: Geography - Urban Planning

Dissertation for receiving a master's degree (M.A) in the field of geography and climatology in environmental planning. Abstract Due to the significant role of snow cover in the hydrological cycle, it seems necessary to investigate the characteristics of snow cover (snow cover level) with a high spatial and temporal resolution. The measurement of this parameter is generally done ...

Number of pages: 163 Category: Geography - Urban Planning

Dissertation to receive a master's degree (M.A) in natural geography, specialization: climatology in environmental planning, abstract: natural disasters have been the most important cause of human concern at all times. Landslides are one of the most important natural disasters that cause financial and human losses every year, which creates problems in the implementation of ...

Number of pages: 181 Category: Civil Engineering

Dissertation for Master's Degree > Direction: Hydraulic Structures Abstract: One of the assumptions that is made to simplify the dynamic analysis of the existing weighted concrete dams is the uniformity of the foundation in terms of physical parameters such as modulus of elasticity and damping. This is despite the fact that, in practice, different geological conditions may ...

Number of pages: 169 Category: Civil Engineering

Dissertation for Master's Degree in Civil Engineering, Soil and Foundation Mechanics Abstract: Since many structures are built in dense urban areas, there is an increasing need to build buildings and geotechnical structures on soft clay soils. Clay soils usually show significant creep deformation. Although a lot of research has been done on the creep behavior of natural clay, ...

Number of pages: 92 Category: Civil Engineering

Abstract: Hydraulic jump is one of the amazing hydraulic phenomena that consumes the kinetic energy of water. Hydraulic structures such as relaxation ponds mainly use this important property of hydraulic jump to consume energy downstream of overflows, rapids and valves. The dimensions of these structures are directly dependent on the characteristics of hydraulic jump, therefore, ...

Number of pages: 141 Category: Civil Engineering

Master thesis M.Sc. Discipline: Civil Engineering, Orientation: Hydraulic Structures. Abstract River containment is generally done by dams and similar structures. The flow passing through these structures has a significant potential for erosion and scouring of susceptible beds. Relaxation ponds are designed and built mainly for the purpose of depleting flow energy and ...

Number of pages: 117 Category: Civil Engineering

Master's thesis in the field of civil engineering - hydraulic structures Abstract: Rivers are one of the most important and common sources of drinking, agricultural and industrial water supply. These resources have many qualitative fluctuations due to passing through different platforms and direct connection with the surrounding environment. Therefore, predicting the quality of ...

Number of pages: 136 Category: Civil Engineering

Dissertation for Master's Degree in Civil Engineering, Soil Mechanics and Foundation Abstract: Dams are always considered as infrastructure structures and have vital value. In the past, dams were mainly built for the purposes of providing drinking water and irrigation of agricultural fields, but today, due to the need for hydroelectric energy and other purposes, it has been ...

Number of pages: 78 Category: Agricultural Engineering

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 ...

Number of pages: 90 Category: Agricultural Engineering

Master's thesis in the field of agriculture, plant breeding, abstract. After drought stress, salinity stress is the second limiting factor for the performance of agricultural plants at the global level. Based on the division of plants in terms of tolerance to salinity stress, sorghum is placed in the semi-tolerant class, and its salinity tolerance threshold is 4.9 to 6.8 ...

Number of pages: 74 Category: Agricultural Engineering

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 ...

Number of pages: 104 Category: Agricultural Engineering

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

Number of pages: 85 Category: Biology - Environment

Dissertation for M.Sc. Natural Resources Engineering, Watershed Management Abstract Currently, flood spreading on aquifers is considered one of the suitable methods for controlling and optimal use of floods and artificial feeding of groundwater in arid and semi-arid areas. Chenaran watershed in the northwest of Mashhad with an area of ??299,624 hectares is located at 36.36 19.59 ...

Number of pages: 62 Category: Biology - Environment

Abstract In this research, the effect of different degrees of burial in windy sand on some physiological and vegetative characteristics of Qara Dagh and Rames species was measured. One-year-old saplings of Qarhadagh and Rames species were obtained from the nursery of the General Department of Natural Resources of Yazd province and subjected to five control treatments, burial ...

Number of pages: 183 Category: Food and Packaging Industries

Persian Abstract Effect of salinity stress on the growth characteristics of some selected almond genotypes (Prunus dulcis) grafted on GF677 base, the combination of rootstock and scion can affect the growth characteristics and nutrient concentration of almond leaves and roots under salt stress conditions. In order to evaluate the effect of salinity stress on morphological, ...

Number of pages: 82 Category: Agricultural Engineering

Dissertation for receiving the master's degree ""M.Sc. » Orientation: Agriculture Abstract This study was conducted in order to compare the effect of biological and chemical fertilizers on the yield and morphological traits of the spruce plant in the form of a randomized complete block design in 9 treatments and 4 replications in a plot of land with an area of ??800 square ...

Number of pages: 105 Category: Agricultural Engineering

Dissertation for Master's Degree in Agricultural Engineering, Agriculture, Abstract: Environmental stress is one of the most important factors that determine the pattern of plant distribution in the world, and drought stress also determines a part of this distribution. Garlic is a plant that has been of special importance in terms of food and medicine in human life for ...

Number of pages: 45 Category: Agricultural Engineering

Dissertation for Master's Degree (M.Sc.) Field: Horticultural Sciences, Major: Ornamental Plants Abstract In order to investigate the effect of plant growth regulators and variety on the rooting of gardenia cuttings, a study in the form of a factorial experiment based on a completely randomized design with three plant growth regulating factors including: IBA at 4 levels (0, ...

Number of pages: 106 Category: Agricultural Engineering

Abstract: Salinity stress is one of the most important abiotic stresses in the world, and its negative effects on the growth of agricultural plants have led to an increase in research on salinity tolerance with the aim of improving plant tolerance. In addition to increasing growth, potash fertilizers help to improve product quality and increase plant resistance against adverse ...

Number of pages: 48 Category: Agricultural Engineering

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

Number of pages: 51 Category: Agricultural Engineering

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 ...

Number of pages: 83 Category: Agricultural Engineering

Dissertation for M.Sc. specialization: Agriculture Abstract to investigate the effect of salicylic acid on the yield and yield components of barley variety (Walfajr) under experimental drought stress conditions in the greenhouse of Arsanjan Azad University, in the crop year (1389-1390). This experiment was carried out as a factorial in the form of a randomized complete design ...

Number of pages: 67 Category: Agricultural Engineering

Thesis for obtaining a master's degree (M.Sc.) field: agricultural engineering, specialization: agriculture, the effect of planting date and use of mulch on the growth and yield of bean plants in Gilan. Abstract In order to determine the appropriate planting date and investigate the effect of mulch application on the growth and yield of beans, a factorial experiment was ...

Number of pages: 106 Category: Agricultural Engineering

Dissertation for Master's Degree in Water Resources Engineering Abstract Nowadays, due to the issue of water crisis and the need for accurate planning, the use of statistical models and methods is increasing. The research conducted in this field has also shown the usefulness of using statistical methods. The use of different forecasting methods has many advantages, including ...

Number of pages: 62 Category: Agricultural Engineering

Dissertation for receiving a master's degree (M.sc.) specialization: agricultural economics, economic prioritization of investment in the agricultural sector of Fars province. Despite the many variables, in this research, out of 8 options of irrigation under pressure, electrification of wells, construction of gardens, forests and pastures, poultry farming, watershed management, ...

Number of pages: 55 Category: Agricultural Engineering

Abstract This experiment was conducted in order to investigate the effect of different levels of nitrogen fertilizer (50, 100, 150 and 200 kg/ha) and foliar application of low consumption elements zinc, boron and the mutual effects of zinc and boron on the yield of sesame, a local cultivar of Peldasht, at Khoi Agricultural and Natural Resources Research Station in 2013 crop ...

Number of pages: 67 Category: Food and Packaging Industries

Dissertation for Master's Degree in Agricultural Engineering (M.Sc) Major: Food Science and Industry Abstract Diazinon is an organophosphorus insecticide and is widely used by farmers. This poison can easily find its way into food and exert its toxic effects on humans. Diazinon poison, like other organophosphorus poisons, inhibits some enzymes, especially acetylcholinesterase. ...

Number of pages: 99 Category: Agricultural Engineering

Master's thesis in the field of agriculture and plant breeding, agriculture trend. Abstract In order to investigate the effects of plant smoke extract and aerosol smoke on germination rate, germination percentage, root length, shoot length, seedling weight, seedling root and root to shoot ratio, as well as some growth indicators, in three medicinal plants, fox berry, chamomile ...

Number of pages: 78 Category: Agricultural Engineering

Dissertation for Master's degree (M.Sc.) Field: Agricultural Management Abstract Equipping and renovating paddy fields is one of the important steps to create the necessary infrastructure to produce as much rice as possible. The purpose of this operation in one sentence is the optimal use of water, soil and inputs. In this regard, in order to investigate the factors promoting ...

Number of pages: 81 Category: Agricultural Engineering

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, ...

Number of pages: 175 Category: Civil Engineering

Doctoral Dissertation in Civil Engineering - Summer 2013 Earthquake Abstract One of the appropriate tools to know the condition of the network­ As one of the vital artery systems, water distribution is an indicator of reliability. one hand

Number of pages: 100 Category: Civil Engineering

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.

Number of pages: 139 Category: IT Information Technology Engineering

Master's Thesis of Information Technology Management (M.Sc) academic year 1389-1390 Abstract In order to study and predict the distribution pattern of economically important benthic fish, catch data of 10 species

Number of pages: 200 Category: Geography - Urban Planning

Dissertation for obtaining a master's degree in the field: Natural Geography, specialization: Geomorphology in environmental planning. The abstract of this research, using the descriptive and analytical method along with library and documentary studies and field observations, investigates the hydrogeomorphology of the Masuleh River basin with an emphasis on the waterfalls of the ...

Number of pages: 152 Category: Geography - Urban Planning

Dissertation for obtaining a master's degree in the field: Natural Geography, specialization: Geomorphology in environmental planning. Abstract: Today, one of the important factors in the occurrence of damages caused by environmental hazards is the lack of complete and scientific knowledge in different areas. The watersheds of Iran, especially in the watersheds of the Caspian ...

Number of pages: 184 Category: Geography - Urban Planning

Dissertation for receiving a master's degree in the field: Political Geography (M.A) Abstract: The science of political geography is one of the broad topics of science and is created from a politically organized unit in a specific geographical territory that includes the government's rule and a specific space. These organized units can include the primary political core, limited ...

Number of pages: 138 Category: Geography - Urban Planning

Master's thesis in natural geography, climatological orientation in environmental planning, abstract: the abundance of altitudes and extreme changes in altitude, and of course wide fluctuations in temperature, humidity, annual precipitation, etc., have caused Kohgiluyeh and Boyer Ahmad provinces, located in the southwestern half of the country, to be a bridge between the ...

Number of pages: 120 Category: Management

Dissertation for the degree of Master of Executive Management (M.A.) Orientation: Strategic Abstract: The present research was conducted with the aim of determining the impact of human resources development in achieving organizational agility in the urban water and sewage company of Ilam province. The current research is applied in terms of purpose and descriptive in terms of ...

Number of pages: 226 Category: Art - Graphics

Dissertation for Master's degree (M.A) Chapter 1 Abstract: This research, with the primary purpose of using light and water elements in the design of urban elements, has investigated these elements in the historical period of Iran, and also the design of furniture and urban elements has been examined from the perspective of identity and culture, and an attempt has been made to ...

Number of pages: 193 Category: Management

Academic thesis for obtaining a master's degree in the field of public administration, human resource orientation. The basic abstract that managers are faced with is improving the performance of employees to increase the productivity of the organization and cultivating employees who will use all their experiences, abilities and capacities to improve organizational goals. This ...

Number of pages: 102 Category: Physical Education - Sports

Dissertation for Master's Degree (M.A.) Major: Sports Physiology Abstract of Dissertation (including summary, objectives, implementation methods and results obtained): The purpose of this research was to study the effect of the combination of resistance exercise and water thistle extract on liver enzymes in healthy male rats, and according to the objectives and nature of the ...

Number of pages: 142 Category: IT Information Technology Engineering

Master's Thesis in Information Technology Engineering, Computer Networks, Abstract Location and synchronization are key elements in many underwater communication applications, which, despite being highly interdependent, usually operate separately from each other. But since the synchronization services are the prerequisite of the positioning algorithms and the information about ...

Number of pages: 98 Category: Geography - Urban Planning

Dissertation for Master's degree M.se field of remote sensing and geographic information system - water and soil resources Abstract: The phenomenon of dam failure has a catastrophic potential. Therefore, it is important to estimate the hydraulic parameters of flood waves in order to predict risks and manage resources and facilities and save human lives. Therefore, the issue of ...

Number of pages: 185 Category: Geography - Urban Planning

Thesis for obtaining a master's degree in the field of geography and tourism planning. Abstract: The crystallization of tourism as a need, its transformation into the largest service industry in the world, and the specialization of tourism have provided the opportunity for any destination to hope to benefit from the benefits of tourism. But of course, this will not be possible ...

Number of pages: 167 Category: Art - Graphics

Master's thesis in Islamic art, metal specialization. Abstract The present abstract is written with the aim of identifying, introducing and reviving water art in the contemporary era, and in the current research, this goal can be realized with the structural and aesthetic analysis of the works in contemporary Iran, as well as its sale in the prestigious world markets. In ...

Number of pages: 106 Category: Management

Dissertation for Master's degree (M.A.) Major: Human Resource Management Abstract This research tries to analyze the relationship between work ethics and organizational commitment. In this regard, the four-part model of Gary Guricipti and the three-part model of Allen and Meyer are used as the theoretical framework of the research. The main hypothesis of the study is: There is a ...

Number of pages: 113 Category: Biology - Environment

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 ...

Number of pages: 127 Category: Biology - Environment

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 ...

Number of pages: 96 Category: Civil Engineering

Dissertation to receive a master's degree, specialization: civil engineering-water engineering Abstract: In this research, the effect of land slope, difference in height of pressure booster stations, height above sea level on the characteristics of the length of the water transmission systems in order to verify the feasibility and facilitate the prediction of its use and optimal ...

Number of pages: 115 Category: Civil Engineering

Master's thesis in the field of civil engineering (hydraulic structures) abstract of sediment transfer and sedimentation, the consequences such as the creation of sediment islands in the river path and as a result the reduction of flood flow transfer capacity, corrosion of river structures and It includes other problems. Also, suspended sediments affect the quality of water for ...

Number of pages: 113 Category: Literature - Persian Language

Dissertation for M.A. Field: Persian language and literature Abstract In the works of many poets, elements such as ""water and fire"" and ""light and darkness"" are more widely used than other phenomena. In popular culture and various sciences, ""water and fire"" are two elements that can never exist together, and the presence of one will definitely cause the destruction of the ...

Number of pages: 222 Category: Civil Engineering

Master's Thesis on Hydraulic Structures Abstract: Washing water around the existing structures in the flow path is one of the important issues that should be considered in the design of such structures. For this purpose, the investigation of this phenomenon around the circular bases in the condition of clear water was carried out in laboratory physical modeling. For this ...

Number of pages: 102 Category: Civil Engineering

Master's Thesis (Civil Engineering - Water and Wastewater Engineering) Abstract: In this study, ram impact pump modeling was done by the software that was prepared. This software finds the outputs of the HAMMER software as input and by obtaining other information (including the pumping height, etc.) it calculates the amount of pumped water every time the valve is suddenly turned ...

Number of pages: 154 Category: Civil Engineering

Master's Thesis of Water Engineering - Water Resources Management Abstract The advance of salt water in fresh water aquifers is not limited to the islands and coasts of oceans, seas and salt lakes, but it is possible for salt water aquifers to advance through deserts, swamps and salt water pits in the adjacent fresh water aquifers, making it salty and unusable in critical ...