نتایج جستجو برای: 4 and 6 mm and five growth media 100 perlite

تعداد نتایج: 17336010  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی 1394

abstract previous studies on willingness to communicate (wtc) have shown the influence of many individual or situational factors on students’ tendency to engage in classroom communication, in which wtc has been viewed either at the trait-level or situational level. however, due to the complexity of the notion of willingness to communicate, the present study suggests that these two strands are ...

پایان نامه :دانشگاه تربیت معلم - سبزوار - دانشکده ادبیات و زبانهای خارجی 1390

this study investigated the effects of planning on second-language written production with regard to task type. the participants were 75 iranian learners of english as a foreign language attending a private foreign language institution. they were asked to complete two different types of writing tasks (expository writing task and argumentative writing task) in different planned conditions (indiv...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده ادبیات و زبانهای خارجی 1390

abstract a fundamental study of “historio-graphic metafiction” and “literary genres”, as introduced in “new historical philosophy”, and tracing them in the works of julian barnes having studied the two novels, the porcupine and arthur & george, by julian barnes, the researcher has applied linda hutcheon’s historio-graphic metafictional theories to them. the thesis is divided into five cha...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت دبیر شهید رجایی - دانشکده علوم انسانی 1390

with the growth of more humanistic approaches towards teaching foreign languages, more emphasis has been put on learners’ feelings, emotions and individual differences. one of the issues in teaching and learning english as a foreign language is demotivation. the purpose of this study was to investigate the relationship between the components of language learning strategies, optimism, duration o...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد گرمسار - دانشکده علوم انسانی 1390

this study examined the effects of collaborative strategic reading and direct instruction in persuasion on iranian high school students persuasive writing and attitudes. students in three intact classes were assigned to one of three treatment conditions: collaborative strategic reading and direct instruction in persuasion or direct instruction in persuasion or a control group. treatment effects...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1382

‏‎the main purpose of this research was to:1.develop a coking model for thermal cracking of naphtha.2.study coke inhibition methods using different coke inhibitors.developing a coking model in naphtha cracking reactors requires a suitable model of the thermal cracking reactor based on a reliable kinetic model.to obtain reliable results all these models shall be solved simultaneously.for this pu...

Journal: :Scientific Reports 2021

Abstract Medicinal plants represent a valuable commodity due to beneficial effects of their natural products on human health, prompting need for finding way optimize/increase production. In this study, novel growing media with various perlite particle size and its mixture peat moss was tested hydroponic-based production Echinacea purpurea medicinal plant under greenhouse conditions. The growth ...

Journal: :به زراعی کشاورزی 0
شیرین دیانتی مربی، گروه باغبانی پردیس ابوریحان، دانشگاه تهران، پاکدشت ـ ایران محسن کافی استاد، گروه مهندسی و علوم باغبانی و فضای سبز، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج ـ ایران مسعود میرمعصومی مربی، گروه زیست شناسی، پردیس علوم، دانشگاه تهران، تهران ـ ایران ولی الله مظفریان دانشیار، باغ گیاه شناسی ملی، مؤسسة تحقیقات جنگل ها و مراتع کشور، کرج ـ ایران علی رضا سلامی استادیار، گروه مهندسی و علوم باغبانی و فضای سبز، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج ـ ایران

five different media with two concentrations and kinds of carbohydrates and peptone treatments were examined for their effectiveness in promoting asymbiotic seed germination of epipactis  veratrifolia. results revealed significant differences between media on seed germination percentage and protocorm growth and fast medium has the best effect on both. carbohydrate treatments had significant eff...

Journal: :Applied microbiology 1975
D Kafkewitz

Five new culture media for Vibrio succinogenes are described. Of these, a medium composed of 0.4% yeast extract, 100 mM ammonium formate, 120 mM sodium fumarate, and 0.05% sodium thioglycolate, pH 7.3, supports the best growth.

In order to evaluate the effect of medium and spraying calcium nano-fertilizer on quality of cut gerbera flowers, an experiment was conducted as factorial in completely randomized design with 7 media and 3 calcium nano-fertilizer concentrations with 3 replications. The media included cocopeat + perlite (1:1), peat moss + perlite (1:1), mushroom compost + perlite (1:1), peat moss + cocopeat + pe...

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