نتایج جستجو برای: iran experiences these storms every year

تعداد نتایج: 3796332  

Journal: :Journal of Chemical Education 2000

Journal: Desert 2012
A. Miri A. Pahlavanravi H. Ahmadi M.R. Ekhtesasi

Dust storms are catastrophic natural disasters that beside other disasters frequency occur in the arid and semiaridregions worldwide. Drought occurrence, climate aridity, dryness of the Hamoun Lake cause strong winds to below.These conditions have been prepared for dust storms in Sistan region. The damages to Sistan society have beenmeasured using different criteria. The result shows that, peak...

Journal: :مدیریت فناوری اطلاعات 0
امیر حسن ناصری دانشگاه قم امیر افسر دانشگاه قم

organizations in private and public sector assign many projects in information technology (particularly software) field to contractors for implementation every year. previous experiences shows that most of these projects are stopped before finishing or cannot meet the expected results. based on studies related to this issue, many of failures depend on implementation contractor, directly or indi...

2016
Fatemeh Shobeiri Masoumeh Taravati Javad Parisa Parsa Ghodratollah Roshanaei

Cervical cancer is the second most common cancer after breast cancer in the world in women worldwide. More than 270, 000 women die from cervical cancer every year, more than 85% of these deaths are in low and middle income countries, main cause of this problem is poor access to screening and treatment services (World Health Organization, 2013a). According to WHO’s projections, deaths from cervi...

Journal: :Hispanic Health Care International 2020

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1388

based on the latest records of typhlops vermicularis merrem, 1820 from iran, this species is distributed in the northern and southern regions of the country. in this study, new records of typhlops vermicularis are presented and it is shown that distribution range of this species is extended towards the eastern and western iran, and according to the new distribution map, it can be assumed that t...

2000
Leslie M. Reid

of comments and calculations The slope stability equation and values for material properties recommended by USGS geologist Dr. Raymond Wilson were used to map the stability regime of the four units of THP 1-97-307 HUM and the two units of THP 1-96-413 HUM. When calculations are carried out for conditions without trees, results indicate that each unit includes significant areas that would be exp...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم انسانی 1389

abstract: sayyed mohammad tabatabaee is accounted as one of the effective persons in iran contemporaneoushistory and his role in the events of iran constitution revolution is inevitable. sayyed mohammad tabatabaee from the time of naser al din shah qajar and arrival to iran, informed of the advantages and the basis of constitution, was in the thought of making the iran rule as a constituti...

رئیس پـور, کـوهـزاد , علیجـانی, بهلول ,

1- Introduction Sand storms are the most important environmental issues in the special zones of the world. Dust storm called to an event that lead to disturbance winds and by moving a lot of dust to the air, decreases the horizontal sight to 1000 m. this phenomenon influenced by special atmospheric condition that every year have serious damages to farms, installations, roads, traffic and tran...

Journal: :desert 2012
a. pahlavanravi a. miri h. ahmadi m.r. ekhtesasi

dust storms are catastrophic natural disasters that beside other disasters frequency occur in the arid and semiaridregions worldwide. drought occurrence, climate aridity, dryness of the hamoun lake cause strong winds to below.these conditions have been prepared for dust storms in sistan region. the damages to sistan society have beenmeasured using different criteria. the result shows that, peak...

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