نتایج جستجو برای: free networks

تعداد نتایج: 927119  

Journal: :environmental health engineering and management 0
mohammad fahiminia environmental health engineering, research center for environmental pollutants, qom university of medical sciences, qom, iran hossein jafari mansoorian environmental health engineering research center, department of environmental health, kerman university of medical sciences, kerman, iran mohsen ansari environmental health engineering, school of public health, qom university of medical sciences, qom, iran ali saifour mofrad environmental health engineering, school of public health, qom university of medical sciences, qom, iran gharib majidi environmental health engineering, school of public health, qom university of medical sciences, qom, iran reza ansari tadi environmental health engineering, urban water & wastewater company of qom province, qom, iran

background: this study aimed to evaluated trends for iron and manganese concentrations in wells, reservoirs, and water distribution networks in qom city during the summer of 2012. methods: this was a cross-sectional study. the studied scopes consisted of groundwater (60 wells), reservoirs (10 tanks), and water distribution network (33 points). one sample was taken from each source monthly. stat...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان 1389

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...

Hossein Jafari Mansoorian, Ali Saifour Mofrad, Gharib Majidi, Maryam Sadat Tabatabai Majd, Mohammad Fahiminia, Mohsen Ansari, Reza Ansari Tadi,

Background: This study aimed to evaluated trends for iron and manganese concentrations in wells, reservoirs, and water distribution networks in Qom city during the summer of 2012. Methods: This was a cross-sectional study. The studied scopes consisted of groundwater (60 wells), reservoirs (10 tanks), and water distribution network (33 points). One sample was taken from each source monthly. Stat...

Journal: :international journal of finance and managerial accounting 0
alireza kheyrkhah department of management and economic, tehran science and research branch, islamic azad university, tehran, iran, f. rahnamay roodposhti department of management and economic, tehran science and research branch, islamic azad university, [email protected] m. ali afshar kazemi associate prof. department of industrial management, tehran central branch, islamic azad university, tehran, iran,

it is very important for managers, investors and financial policy-makers to detect and analyze factors affecting financial markets to obtain optimal decision and reduce risks. the importance of market analysis and attempt to improve its behavior understanding, has led analysts to use the experiences of other professionals in the fields such as social sciences and mathematics to examine the inte...

Journal: :Scholarpedia 2008

خدادوستان, نوشین, شهبازی, فرهاد, ملکوتی‌خواه, طاهره,

In this work, we study the Kuramoto model on scale-free, random and small-world networks with bimodal intrinsic frequency distributions. We consider two models: in one of them, the coupling constant of the ith oscillator is independent of the number of oscillators with which the oscillator interacts, and in the other one the coupling constant is renormalized with the number of oscillators with ...

Journal: :The European Physical Journal B 2007

Journal: :Physical Review E 2003

Journal: :Physica A: Statistical Mechanics and its Applications 2001

Journal: :تحقیقات اقتصادی 0
عباد عبادی کارشناس ارشد اقتصاد، مدرسة اقتصادی لندن (lse) قهرمان عبدلی دانشیار دانشکدة اقتصاد دانشگاه تهران

analyzing free riding problem through static games considering homogenous players has been resulted in choosing the free riding strategy as a dominant strategy for the players. in this paper free riding is analyzed through cooperation game imposing non-homogenous players using network models. players would be differentiated by their links with their neighbors in the game. evolutionary game theo...

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