نتایج جستجو برای: khoozestan

تعداد نتایج: 59  

Drought monitoring is one of the key factors in drought risk management and the use of drought indices such as the standardized precipitation index (SPI) is a useful tool in this regard. The aim of this study is to evaluate and zone drought risk in different years and return periods in Karkheh basin. For this purpose, Standardized Precipitation Index (SPI) as a selected index was used to assess...

تیرگری, سیاوش, خامه چیان, طاهره , دهقانی, روح‌اله , راثی, یاور, رفیع نژاد, جواد, موسوی, غلامعباس , وطن‌دوست, حسن,

Introduction: Hemiscorpius lepturus scorpion present in the southern provinces of the country, especially in Khoozestan stings a lot of people that results in long-standing dangerous side effects and sometimes even mortality. As the study of the effects of this scorpion venom on some laboratory animals can determine its mechanism of action and help us to cure people stung by scorpions, this stu...

Journal: :علوم و تکنولوژی پلیمر 0
مهدی شهابی فریدون مقدس نژاد شعله کاظمی فرد

due to performance grade  )pg) zonation of different parts in iran and poor properties of 60/70 penetration grade bitumens for pavement applications, suitable  polymer modifed  bitumen was  produced.  to  fulfll  this  purpose, different pmbs samples were produced using 60/70 penetration grade bitumen and  various  percentages  of vb  (20  and  25%), with  different  percentages  of  sbs calpre...

Journal: :OR Insight 2008
Majid Azizi Mohammad Modarres

The aim of this paper is to develop a strategic plan for selecting the best options for the supply of raw material to feed paper producing plants. The decision-making is examined within the framework of benefits, opportunities, costs, and risks (BOCR). A hierarchy is used to prioritize the BOCR, using the Analytic Hierarchy Process (AHP) ratings approach. A control hierarchy is then created and...

Journal: :چغندرقند 0
محمد عبداللهیان نوقابی دانشیار مؤسسه تحقیقات چغندرقند حمید شریفی مربی پژوهش، مرکز تحقیقات کشاورزی و منابع طبیعی صفی آباد بابک بابایی مربی مؤسسه تحقیقات چغندرقند غلامعباس بهمنی مدیر عامل سابق کارخانه قند اهواز

this study aimed to modify the current purchase formula of sugar beet into a formula with different coefficients with respect to sugar percentage of autumn sugar beet. ahvaz sugar factory was selected as an autumn sowing factory in iran and 163 samples were randomly taken at different delivery times in 2007 (28th april to 27th june).  from each truck, one sample was taken and sugar content, wat...

Abstract  Traditionally, Iranian nomads in terms of their lives and livelihoods, the animated livestock or migration, have made their houses portable, durable, lightweight and quickly detachable and attachable. Nomadic black tent, made of canvas material with light and resistant structures in the different weather conditions and continuous transport, as self-sufficient is prepared by nomads, a...

Journal: :اقتصاد و توسعه کشاورزی 0
حبیب شهبازی احمد سام دلیری

introduction: in this study, total factor productivity growth components in rough rice production are assisting by econometric approach and stochastic frontier function during 2005-2013 for several provinces (mazandaran province, guilan province, golestan province, fars province, khoozestan province). according to food and agriculture organization statics, iran is the 3rd importer and 20th expo...

Global temperatures have increased in the past 100 years by an average of 0.74°C (IPCC, 2013), with minimum temperatures increasing faster than maximum temperatures and winter temperatures increasing faster than summer temperatures (IPCC, 2013). Total annual rainfall tends to increase at the higher latitudes and near the equator, while rainfall in the sub-tropics is likely to decline and become...

Journal: :محیط شناسی 0
زهرا شرعی پور کارشناس ارشد هواشناسی، مؤسسۀ ژئوفیزیک، دانشگاه تهران، ایران عباسعلی علی اکبری بیدختی استاد گروه فیزیک فضا، مؤسسۀ ژئوفیزیک دانشگاه تهران، ایران

introduction no2 is not only a potential air pollutant in urban and industrial environments but also a precursor for smog of urban environment that is another ozone pollutant as well. some of the urban environments in iran have high tropospheric and near surface no2 which requires research attentions especially in these years. that is the issue of concern in the present study using satellite da...

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