نتایج جستجو برای: an experiment was conducted during 2005

تعداد نتایج: 8331092  

پایان نامه :0 1370

all analytical methods are generally based on the measurement of a parameter or parameters which are somehow related to the concentration of the species.an ideal analytical method is one in which the concentration of a species can be measured to a high degree precision and accuracy and with a high sensitivity. unfortunately finding such a method is very difficult or sometimes even impossible.in...

Journal: :علوم گیاهان زراعی ایران 0
مهرانگیز پاپی دانشجوی سابق کارشناسی ارشد، گروه زراعت و اصلاح نباتات، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج علی احمدی استاد گروه زراعت و اصلاح نباتات، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج حسین رضا رفیعی کارشناس گروه زراعت و اصلاح نباتات، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج

under condition of limited water supply, determination of minimum water requisite to keep potential yield should be considered as an important target. with this respect, a field experiment was conducted at research farm of university college of agriculture and natural resources, university of tehran, in 2012-2013, karaj, iran. the experiment was conducted in a split plot, based on randomized co...

Journal: :بوم شناسی کشاورزی 0
علی اصغر محمدآبادی پرویز رضوانی مقدم جبار فلاحی

studies on crop improvement of saffron (crocus sativus l.) can play an important role in development of this native crop. in this context, an experiment was conducted at agricultural research station, ferdowsi university of mashhad, iran, as a factorial based on randomized complete block design with three replications, during 2005-2010 years. first studied factor was planting pattern of saffron...

Journal: :علوم گیاهان زراعی ایران 0
علی نخزری مقدم

to study the effect of water deficit and plant density on yield and yield components of cumin (cuminum cyminum), an experiment was conducted during the 2002 - 2003 growing season at research farm of zabol university. in this study, the effects of plant density (25, 50, 100, 150, and 200 plants per m²) and water stress (before flowering, flowering, seed filling and seed hardening vs adequate irr...

Journal: :به زراعی کشاورزی 0
علیرضا بهدادیان کارشناس ارشد، گروه زراعت و اصلاح نباتات، دانشکده کشاورزی، دانشگاه آزاد اسلامی واحد گرگان، گرگان - ایران و کارشناس ارشد گروه زراعت مهندسان مشاور جامع ایران افشین سلطانی استاد گروه زراعت و اصلاح نباتات، دانشگاه کشاورزی و منابع طبیعی گرگان، گرگان - ایران ابراهیم زینلی استادیار گروه زراعت و اصلاح نباتات، دانشگاه کشاورزی و منابع طبیعی گرگان، گرگان ایران حسین عجم نوروزی استادیار گروه زراعت و اصلاح نباتات دانشکده کشاورزی، دانشگاه آزاد اسلامی واحد گرگان، گرگان - ایران حسن معصومی دکترای زراعت گروه زراعت مهندسان مشاور جامع ایران، تهران - ایران

to evaluate the effects of nitrogen management at yellow budding stage on seed yield with using nitrogen nutrition index (ratio of nitrogen concentration in the plant to optimum concentration), of rapeseed farms in gorgan, an experiment was conducted as a nested model arranged in a complete randomized design (crd) in 2010. fifteen rapeseed fields were classified at three levels of management (o...

پایان نامه :0 1374

this experimental study has been conducted to test the effect of oral presentation on the development of l2 learners grammar. but this oral presentation is not merely a deductive instruction of grammatical points, in this presentation two hypotheses of krashen (input and low filter hypotheses), stevicks viewpoints on grammar explanation and correction and widdowsons opinion on limited use of l1...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه لرستان - دانشکده ادبیات و زبانهای خارجی 1393

rested on sociocultural theory (sct), this study attempted to examine the effect of written corrective feedback (wcf) followed by producing written languaging on developing writing accuracy over new tasks. to this aim, two intact iranian efl classes at the low-intermediate level were randomly assigned to two experimental groups: direct (n = 25) and indirect (n = 25). both groups wrote on a numb...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - پژوهشکده ادبیات 1393

1.0 overview it seems that grammar plays a crucial role in the area of second and foreign language learning and widely has been acknowledged in grammar research. in other words, teaching grammar is an issue which has attracted much attention to itself, and a lot of teachers argue about the existence of grammar in language teaching and learning. this issue will remind us a famous sentence f...

Journal: :Computers in Human Behavior 2007
Yuuki Kato Shogo Kato Kanji Akahori

This paper focuses on communication by e-mail. An experiment was conducted to investigate the influence the degree of emotional cues transmitted during e-mail communication has on the emotions experienced by the senders and receivers. Twenty-two participants of this experiment were divided into two groups based on the degrees of emotional cues transmitted: a High group and a Low group. The emot...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم انسانی 1390

the purpose of the research is to examine if integrating cooperative learning into vocabulary learning helps to increase word recognition of students in an elementary school in iran. it tries to investigate whether cooperative learning approach enables students to improve their language learning. this research used stad (students team achievement division) as a cooperative model in this study. ...

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