نتایج جستجو برای: technical and engineering services in zanjan province
تعداد نتایج: 21794029 فیلتر نتایج به سال:
in the area of automotive engineering there is a tendency to more electrification of power train. in this work control of an induction machine for the application of electric vehicle is investigated. through the changing operating point of the machine, adapting the rotor magnetization current seems to be useful to increase the machines efficiency. in the literature there are many approaches wh...
wireless sensor networks (wsns) are one of the most interesting consequences of innovations in different areas of technology including wireless and mobile communications, networking, and sensor design. these networks are considered as a class of wireless networks which are constructed by a set of sensors. a large number of applications have been proposed for wsns. besides having numerous applic...
garlic is one of the export crops which has a global reputation in terms of taste and quality. zanjan province produces 23 percent of total garlic crop of iran and is one the hubs of garlic production in the country. effective factors on marketing of garlic is not well studied in this province. therefore, the main purpose of this study is analysis of factors affecting marketing of garlic in zan...
Epidemiological Characteristic and Spatial Analysis of the Admission Rate Hypertension in Zanjan Province, Iran
among the low–dimensional allotropes of carbon, nanotubes and graphene have attracted very much attention from nano–science and nanotechnology specialists. they have been proposed as building blocks in nanometer device engineering. however, these structures are not defect–free. in this thesis, we focused on defective carbon nanotubes and graphene, and studied the effect of couple of very common...
abstract this study is an attempt to investigate functions of abhar city as a medium sized city in zanjan province spatial development structure. the method of this study is descriptive-analytical. some quantity models and methods are used in study of the role of this city and its hinterland. the economical models represent that, this city has basic conditions in the second and third economical...
three medium magnitude events happened inside the transitional border of south alborz and central iran; namely kahak-qom 2007/06/18 event with ml 5.6, zanjan 2008/05/27 event with ml 5.3 and aradan-garmsar 2007/11/19 event with ml 5.1. this provides us the opportunity to compute focal mechanism and stress drop of the events and compare them with those events happened within the alborz range.
Mohammad Yaghoub Abdollahzadeh Jamalabadi 1,* ID , Payam Hooshmand 2, Navid Bagheri 3, HamidReza KhakRah 4 ID and Majid Dousti 5 1 Department of Mechanical, Robotics and Energy Engineering, Dongguk University, Seoul 04620, Korea 2 Department of Mechanical Engineering, Sanandaj Branch, Islamic Azad University, Sanandaj 6616935391, Iran; [email protected] 3 Department of Energy Engineerin...
Investigating the effect of sense security and perceived value on tourists' spatial attachment Case Study (Zanjan Province)
Objective: The aims of this study were to determine energy efficiency and CO2 use pattern of grape production in Zanjan province, Iran by a non-parametric method of data envelopment analysis (DEA). Methods: Initial data were collected using a face to face questionnaire from 42 orchards in Abhar city of Zanjan province which is one of the most important centers of grape production in ...
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