Evaluation and analysis of stability of shallow and deep tunnels drilled in rock under static and seismic loads
In this study, the stability and analysis of surface and deep tunnels drilled in rock under static and seismic loads were evaluated and analyzed based on parametric studies using finite element numerical method and Plaxis software. Based on the results of static analysis, it was found tha
Evaluating the success of the technology transfer process and determining the best case study method
Technology in today's world is an important factor affecting the development of countries and hence, developing countries are seeking to transfer technology from developed countries. Accordingly, technology transfer can be considered as a very important process in the acquisition of technolog
Numerical analysis of metal oxide nanoparticles effects on permeability of hydraulic structures
Author : Ali sheykhi Garousi, Farinaz zamani
The concrete permeability coefficient of the heavy water tank of nuclear reactors is very important in concrete structures of hazardous liquids tanks. Therefore, metal oxide nanoparticles effects on the permeability of hydraulic structures were numerically analyzed in this research. The experimen
Water resources management and optimization of flood design using the moth-flame metaheuristics algorithm
Author : Ali sheykhi Garousi, Farinaz zamani
Using linear, nonlinear, and dynamic planning methods for water resources management has been common since a long time ago, but owing to some deficiencies, today much attention is paid to heuristics methods. Among the optimization algorithms, the moth-fire algorithm can be considered. In this pap
Load Balancing in Cloud Computing using Cuckoo Optimization Algorithm
Author : Ali Abbasi Tadi, Zohreh Aghajanloo
Task scheduling in cloud computing is a complex problem. As it is clear, load balancing in clouds is a NP-Complete problem and gradient-based methods which search for an optimal solution to NP-Complete problems cannot converge to the best solution in an appropriate time. Therefore, in ord
Investigation of microstructures of weld metal and heat affected zone (HAZ) in submerged arc welding(SAW) in the presence of cerium oxide nano- particles
Due to the increasing growth of nanomaterial science and abundant reported studies on Nano materials and the extensive use of nanomaterials in welding, this study investigates the composition and distribution of cerium nanomaterial in submerged welds, and for this purpose, welded samples with dif
Identification, analysis and analysis of the causes of delays in Iran's development projects and their reduction rates
Author : Amir Yaghouti Lighvan, Maria Mackova
In this research, the effects of various factors on the emphasis on development projects by field studies and using the hierarchical analysis method have been investigated and solutions have been proposed to reduce emphasis. The results of field studies show that the impact of sanctions, inflatio
Interior design of Ghazvin Daneshmand high school by examining the effect of color
Today, giving the concepts of environmental psychology, paying attention to it is important in designing indoor educational spaces for getting an ideal atmosphere for students. Color has an undeniable effect on students' learning. Suitable colors can create a situation that is instructing, me
KaryoType population study in chamomile
Author : Homa Alizadeh, Hamideh javadi, Mohammad Ali alizadeh, Parvin Salehi
Chamomiles (Anthemis, Matricaria, Tanacetum) are of the genus Choseni or Citrus (Compositae) whose species are precious to medicinal herbs and are distributed in different regions of Iran. In this study, the shape and structure of chromosomes by microscopic observation and using specific staining
Application of Medical Radiation Physics in Imaging
Author : Arghavan keshavarzi baramchi
Medical physics is the application of physics to the “prevention, diagnosis and control of illness, disease and disability. Medical imaging refers to the technique and processes implemented to make images of the parts or function of human body for clinical purposes including to diagnose dis
The Effect of Code Generation Parameters on VEX VLIW Processor
Author : Motahhareh Moravvej Hamedani
Embedded systems have a significant character in the present day computing which their domain of applications has extended into many filed like manufacturing, remedy and home automation. In this paper we wants to search about influences of one of such processors in recent technologies. Fo
Mobility Models and Middleware Support for Mobile AdHoc Networks
Author : Motahhareh Moravvej Hamedani
Embedded systems are increasingly expected to provide good performance at low cost. As the characteristics of compiled code can have an impact on the overall cost of an embedded system, a compilation strategy must be cost aware as well as achieve high performance. As one major factor for system c
Application of Genetic Algorithms to Optimize Heavy Earthworks Operations
Author : Farshad Asadbeigi, Ali Golsoorat Pahlaviani, Javad Majrouhi Sardroud
Most of the major projects in the construction industry are faced with earthwork operations, so that one can rarely find a construction project that does not have such operations. For infrastructure projects, ground operations are one of the major areas of the project, and a wide range of constru
Analysis of the role of urban elements in urban identity (Case study: Rasht city)
Author : Mohammad Ali Danesh Sedigh, Parnaz Goodarzparvari
The presence of elemental elements in addition to beauty improves the quality of space, and this quality affects the human mind and affects the sense of place and collective memories of citizens. Urban planners should use urban elements that promote the transfer of urban identity to the city, whi
Fabrication of PVA/GO nanofibers by electrospinning process for the removal of lead (II) and copper (II) ions from aqueous solutions
In the present study, the poly (vinyl alcohol)//graphene oxide Nano sheets (PVA/GO) were successfully synthesized via electrospinning process and its application for the removal of lead (II) and copper (II) ions was investigated in a batch system.The graphiteNano sheets were also modified by HCl
Feasibility of oil pollution elimination from water by microorganisms at the water recycling plant of refineries
In this study, contamination of microbial indicators including total count of microorganisms, total count of forms, identification of Escherichia coli and Bacillus cereus counting were investigated in 80 samples with oil wastewater pollutions, oil pollutions, pollutions caused by condensates and
Numerical study of the effect of channel and nano-fluid characteristics on the heat transfer parameters in triangular-quadratic and rectangular channels
Author : Sajjad rastad, Seyed ali agha mirjalilily
Nanosilates are a new heat transfer medium that consists of suspensions of particles usually made of metal in Nano dimensions in the base fluid. Using Nano silicates that have higher thermal conductivity and displacement coefficients compared to conventional fluids, can save energy consum
Numerical simulation of the turbulent fluid column movement with Open FOAM software
Author : Sajjad rastad, mehdi Ahmadi, Amir oloomi
The turbulent flow of natural disasters is a major event that can lead to a major catastrophe with devastating lives. In addition to the complex nature of the flow, the existence of environmental barriers and conditions changes the pattern of rapid changes in the flow, which causes the complexity
Structural study of writing and typography in posters in Iran
Author : Mohammad Ali Danesh Sedigh, seyed Mehdi Norani
Design of letters or typography is the core of the design of visual communication. In a world full of infinite information and messages, the design of letters is a must-see, which should even be interesting at first before reading it. Poster art information, as part of the information system, has
Plant establishment location along with case study
Author : Mahmud Hojabrian , Mohammad Reza Shojaei movahhed
One of the most important factors influencing market development and competitiveness is determining the appropriate location for the construction and start-up of companies and plants. So far, various models have been presented by researchers in the field of industrial centers l
Study the effect of Gotvand oliya dam on the water Quality of Khuzestan Provinces and its Solutions
Author : Gholamreza Baseri , Professor Ali Ghafourian
Rivers are the most important sources of water supply for drinking costs, agricultural and industrial purposes. Therefore, assessment of their qualitative conditions has always been considered from different aspects by the experts of the country's water engineering department. Gotvandaliya da
Causes of Failure and Alternative Mechanisms of Lamps
Author : Monire Alizadeh , Bahman Mostafavi , Adib Mostafavi
This paper Expounds one of the first studies on the destruction of alternative lamps based on white GaN light emitting diodes. The results indicate that the life span of LED lamps instead of the destruction of LED chips depends essentially on the durability of the drive and the optical c
Investigating and analyzing the condition of the worn texture of Jaffari neighborhood in Tehran with the approach of promoting environmental quality and providing solutions for its organization by using GIS
Author : Mahdi hamzenejad, Mahdi Shakouri, Nafiseh Shakouri
Worn texture is the objective representation inefficiency for supplying requirements of the citizens. At present, worn textures cover a significant part of our city's territory, and it houses many citizens, mostly from the poorest sections of society. Very low peripheral quality is one
An Analysis of the Impact of Urban Development Strategy (City Development Strategy) on Urban Land Use in the Sixth Region of Tehran
Author : Mahdi Hamzenejad, Mahdi Shakouri, Nafiseh Shakouri
It is always referred to as urban planning, in urban studies, especially in the course of its operations. It is important to be in direct contact with how and how to manage urban management to create a decent quality of life for people, influenced by the way and implementation of urban plans. Bas
