نتایج جستجو برای: return period factor

تعداد نتایج: 1363420  

Journal: :روش های عددی در مهندسی (استقلال) 0
محمدصادق معرفت و عباس طحانی m. s. marefat and a. tahani

in the current engineering practices, buildings are commonly designed for an effective lifetime of 50 years. this lifetime can increase the cost of buildings with short lifetimes and can reduce the safety level of buildings with large lifetimes. in this paper, a “service-life factor” has been defined. applying this factor into the nominal values of live, earthquake, wind, and snow loads, the ef...

Journal: :Journal of Snow Engineering of Japan 1993

Investigating the relationship between risk and return and determining the effective factors on the return have always been an interesting subject for finance researchers. By using a capital asset pricing model (CAPM), Sharp (1963) and Linter (1965) investigated that the whole market return is the only effective factor on stocks returns. Chen, Roll and Ross (1986) mentioned that there are indee...

In this paper the development of a single set of design parameters of the sizing of the tidally affected detention pond system was analyzed and tested. The approach uses critical duration single storm event of specified return period, together with a single harmonic tide. The design flood level is then the aggregate of the levels obtained using the system model with the four phase lags between ...

Journal: :مرتع و آبخیزداری 0
سیدهاشم حسینی استادیار گروه منابع طبیعی و کشاورزی، دانشگاه آزاد اسلامی واحد تربت جام، ایران. مجید عباسی زاده استادیار گروه منابع طبیعی، دانشگاه آزاد اسلامی واحد ارسنجان، ایران. محمدرضا خالقی استادیار گروه منابع طبیعی و کشاورزی، دانشگاه آزاد اسلامی واحد تربت جام، ایران.

in regions with deficient or no data, it is necessary to apply indirect methods to estimate the peak flow. regional flood analysis is the most accurate and reliable technique in such cases. one of the regional flood methods for flood analysis in arid and semi arid regions is hybrid technique, which was applied on data of khorasan razavi province watersheds to estimate the peak flow. hybrid meth...

ژورنال: انرژی ایران 2020

The Rebound effect refers to the reactions that occur to the advancement of technology and the increase of energy efficiency, and these reactions prevent the achievement of the desired goal completely. In this study, in order to investigate the effect of energy return on the value added of Iranchr(chr(chr('39')39chr('39'))39chr(chr('39')39chr('39')))s industrial sector, first by estimating the ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده ادبیات و علوم انسانی 1394

adaptation of the lord of the rings is considered by many to be among the greatest, most successful and at the same time most popular of the above mentioned trend so far. it is my intention to look at the success and popularity of this epic fantasy in the light of the 9/11 attacks and the war on terror context of g. w. bush’s aura. in so doing i aim at bringing into the light the determining fa...

Journal: :Journal of Geotechnical and Geoenvironmental Engineering 2007

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1389

after the soviet union dissolution, a chaotic period was begun in the russia. russia lost its glory and felt disgrace. the first group of elites came to power under yeltsin; they tried to re-define russia’s identity as a european country and build a foreign policy on this baseline. therefore russia tried to become closer with the west especially with the u.s. according to their view the sovie...

Sukuk is the most important Islamic financial securities designed based on Islamic laws, and the relationship between risk and return is the most basic concept in Islamic finance. The results of examining and comparing the similarities between bonds and sukuk show that the most important difference between these two financing tools is the type of asset backed by sukuk and the type of asset cont...

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