نتایج جستجو برای: i e

تعداد نتایج: 1949803  

Journal: :مرتع و آبخیزداری 0
ریحانه مسعودی دانشجوی دکتری بیابان زدایی، دانشکدة منابع طبیعی دانشگاه تهران غلامرضا زهتابیان استاد دانشکدة منابع طبیعی دانشگاه تهران حسن احمدی استاد دانشگاه آزاد اسلامی ـ واحد علوم تحقیقات تهران شهرام خلیقی سیگارودی دانشیار دانشکدة منابع طبیعی دانشگاه تهران

desertification is a major problem in many countries. international efforts have been considered to combat and prevent this phenomenon. the most important cases of these measures are the united nations convention to combat desertification. in this study, imdpa model and gis were used to assess desertification phenomena in kashan plain. some indices of climate and water criteria were selected to...

Journal: :acta medica iranica 0
kang soo kim richard n. terry shahpoor shahgoli

bl ood glucos e l evels meas ured a t half hour intervals in a series of 45 major s urgica l procedur es demonstrated a consis tent hyp er glycemi a during the course of operation . peaks were ass ociated with per iods of cardi a-vascular stress .. i n cont r ast , pat ients in whom autonomi c act ivi ty was inhibited by ganglionic blockade demonstra t ed a cons ist ent decrease in blood g luco...

Journal: :به زراعی کشاورزی 0
اسماعیل کریمی دانشجوی کارشناسی ارشد، دانشکده کشاورزی، دانشگاه شهرکرد، شهرکرد - ایران علی تدین دانشیار گروه زراعت، دانشکده کشاورزی، دانشگاه شهرکرد، شهرکرد - ایران محمود رضا تدین دانشیار گروه زراعت، دانشکده کشاورزی، دانشگاه شهرکرد، شهرکرد - ایران

in order to investigate the effect of different irrigation regimes on yield and leaf proline content of a spring isfahan local variety of safflower, a field experiment was conducted as split plot in randomized complete block design with three replications at the research station of shahrekord university in 2013-2014. the main factor consisted of four different irrigation regimes (irrigation aft...

Journal: :پژوهش های تولید گیاهی 0
مائده آگوشی دانشجوی کارشناسی ارشد مهدی قاجار سپانلو عضو هیات علمی گروه علوم خاک دانشگاه علوم کشاورزی و منابع طبیعی ساری محمدعلی بهمنیار عضو هیات علمی گروه علوم خاک دانشگاه علوم کشاورزی و منابع طبیعی ساری

background and objectives: soybean (glycine max l.) is the most important oil crop having the largest area under cultivation in the world. every year, water stress causes great damages on crops in the world, particularly in iran with arid and semi-arid climate so application of materials such as zeolite in soil can reduce the adverse effects of water stress. however, the effect of zeolite in in...

Journal: :تحقیقات جغرافیایی 0
محسن سقائی دانشگاه پیام نور

religious tourism is one of the varieties of tourism that authorities in this filed , believe iran, due to its special cultural and religious capacities and geographical position , has an important role in developing religious tourism industry. one of the important factors that affects industry tourism, especially developing the religious one ,is the aerial transportation industry for the time ...

Journal: :علوم دامی ایران 0
سودابه مرادی استادیار، گروه علوم دامی، پردیس کشاورزی و منابع طبیعی دانشگاه رازی، کرمانشاه، ایران آرش مرادی دانشجوی سابق کارشناسی ارشد، گروه علوم دامی، پردیس کشاورزی و منابع طبیعی دانشگاه رازی، کرمانشاه، ایران زهرا زنگنه دانشجوی سابق کارشناسی ارشد، گروه علوم دامی، پردیس کشاورزی و منابع طبیعی دانشگاه رازی، کرمانشاه، ایران

this research was conducted to evaluate the effects of synthetic methionine replacement with herbal methionine (hm) on performance, blood biochemical parameters and carcass characteristics in broiler chicken. a total of 280 8-old ross 308 male chicken were randomly assigned to 7 dietary treatments: control, in which 100% methionine requirement was supplied form dl-methionine, and in treatments ...

Journal: :journal of midwifery and reproductive health 0
ashraf ghiasi msc of midwifery, department of midwifery and reproductive health, faculty of medical sciences, tarbiat modares university, tehran, iran saeideh ziaei professor, department of midwifery and reproductive health , school of medical sciences, tarbiat modares university, tehran, iran. soghrat faghihzadeh professor, department of biostatistics, school of medical science , tarbiat modarres university, tehran, iran

background & aim:  this study aimed to determine the relationship between lipid and apolipoprotein b-100 (apo b-100) levels in maternal and umbilical cord sera as well as the effects of these components on anthropometric measurements of newborn infants. methods:this correlational study was performed on 85 appropriate for gestational age (aga) newborns and their mothers. for analysis, 5 ml of ma...

Journal: :پژوهش های ایران شناسی 0
علیرضا خسروزاده استادیار گروه باستان شناسی دانشگاه شهرکرد محمود حیدریان استادیار گروه باستانشناسی دانشگاه شهرکرد حمید محمدی دانش آموختۀ کارشناسی ارشد باستان شناسی دانشگاه شهرکرد

the district of miyān kūh in the ardal town,chahār mahāl bakhtiari province, because of its high mountains, deep valleys and the fields among small mounts, being placed in the path of the was dering tribes has been the focus of the attention. the rigion has two different viewpoint. one part featuring the mounts chēhēl cheshme and gereh with the altitude of more than 3500 m., has cold winter and...

Journal: :تحقیقات اقتصادی 0
حسین مرزبان عضو هیأت علمی بخش اقتصاد دانشگاه شیراز مهدی نجاتی دانشجوی دکتری اقتصاد دانشگاه شیراز

in recent decades, foreign direct investment (fdi) has played a vital role in economic growth of developed and developing countries. fdi brings new capital and technology to the host country beside a possibility of spillover to local firms. hence, fdi is considered as an important channel of technology transfer. however, in empirical studies, the size and direction of effects of fdi on producti...

Journal: :فصلنامه علمی اکوفیزیولوژی گیاهان زراعی 0

this research in order to identify and introduction of  cotton  suitable cultivar  or cultivars for the double cropping of after wheat and canola harvesting  was carried out in the northern region of ardebil province. in this study, eight  varieties  of    imported cotton germplasm resources in recent years were chosen   and   with the iran's cultivars included  mehr  and varamin  were eva...

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