نتایج جستجو برای: 2007 in gachsaran dry

تعداد نتایج: 17006527  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده فنی 1393

asymmetric membranes are widely used in many industrial membrane separation processes. the major advantage of membrane filtration over the conventional process is its ability to remove a wider spectrum of particles without using any chemicals. hollow fiber configuration offer many advantages over flat-sheet or tubular membranes. the spinning process of hollow fiber may look simple, yet it is te...

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

some researches made in the field of agency problem issue, deal with the role of control systems regarding owners and managers. in this research the relationship between the two control mechanisms, namely the voluntary disclosure (external control mechanism) and outside directors (internal control mechanism), which are reductive of agency problems, has been studied. for this reason, a sample ...

Journal: :به زراعی نهال و بذر 0
بهروز واعظی b. vaezi مظفر روستائی m. roustaii طهماسب حسین پور t. hosseinpour حسن قوجیق h. ghojigh علیرضا بهشتی s. a. beheshti مرکز تحقیقات کشاورزی و منابع طبیعی استان خراسان رضوی، مشهد

khorram was primarily received as an introduction barley for low rainfall area- cold winter (lra-cw) with the pedigree of sfa02/3/rm1508/pro//w12269/4/hml-02 arabiabiad//er/apmicb92-0926-0ap-2ap-0ap from international center for agricultural research in the dry areas in the 2002-2003 cropping season. khorram cultivar was tested in the preliminary, advance yield trial and uniform regional yield ...

Journal: :علوم گیاهان زراعی ایران 0
فرج¬اله نارکی بهروز واعظی وحید باوی

to estimate the optimum and effective amount of nitrogen fertilizer for quantity and quality improvement of three new durum wheat lines, this research was conducted in gachsaran dry-land agricultural research station for a duration of 4 years (2003-2007). the study was performed as a factorial expriment, using a randomized complete block design with 4 replications. two factors of: 4 nitrogen ra...

Journal: :journal of plant molecular breeding 2013
abdoreza bagheri vali ollah ghasemi omraan samira hatefi

establishment of an efficient and reproducible regeneration protocol is one of the basic prerequisites for genetic transformation of any crop plant. in vitro culture of lentil has proven to be difficult. in spite of a number of reports on the regeneration of this plant, very few satisfying and reproducible protocol has yet been reported. this study carried out for investigation of different hor...

ژورنال: آبخیزداری ایران 2021

Soils are severely damaged by acid rain; acid rain also leads to excessive dissolving of minerals and valuable nutrients in the soil, which weakens vegetation. In this study, in order to determine the interaction effect between the slope aspect and precipitation intensity relative to acid rainfall in the Aghajari and Gachsaran formations, a part of Margha and Kuhe Gach watersheds of Izeh city w...

Journal: :مرتع و آبخیزداری 0
حمزه سعیدیان کارشناس ارشد آبخیزداری، دانشکده منابع طبیعی، دانشگاه تربیت مدرس، حمیدرضا مرادی استادیار دانشکده منابع طبیعی، دانشگاه تربیت مدرس فرج ا... ترنیان senior expert of range management

using of different systems of soil plough after changing unconsciously and non-scientific of land use, other soil physical and chemical characteristics affected. this fact, especially in marginal lands and mountainous regions is more visible. this research compared with the purpose of studying land use changing on some soil physical and chemical characters like very tiny sand percent, ph, ec, c...

2002
A. Heidari

The aim of this study is to investigate the feasibility of using waste bricks powder of Gachsaran Company in concrete. Cement is replaced by waste bricks powder in different proportions until 40 percent by weight. pozzolanic properties of bricks powder and compressive strength of concrete were investigated. The results demonstrated that the bricks powder show pozzolanic properties. Results also...

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