نتایج جستجو برای: 492 and 984 μm indole butyric acid iba the highest mean number of roots 906 roots per explants was observed on the ms medium supplemented with 492 μm iba

تعداد نتایج: 25935212  

پایان نامه :0 1374

in fact this study is concerned with the relationship between the variation in thematice structure and the comprehension of spoken language. so the study focused on the following questions: 1. is there any relationship between thematic structure and the comprehension of spoken language? 2. which of the themes would have greated thematic force and be easier for the subjects to comprehend? accord...

Pistacia vera ‘Badami-Riz-Zarand’ is used as rootstock in Iranian pistachio orchards due to the low sensitivity to the Phytophthora, resistance to salinity, and graft compatibility with commercial cultivars. In this study, the effects of culture media (MS and DKW) along with type and concentration of plant growth regulators were investigated on micropropagation of this rootstock. The highest gr...

2016
Danuta Kulpa

The aim of this study was to develop methods for the in vitro propagation of Zantedeschia rehmannii. Zantedeschia rehmannii tuber fragments (1 cm2) containing eyes were soaked for 30 s in a solution containing 100 mg dm-3 L-ascorbic acid (AA) before transfer to culture vessels containing an MS medium supplemented with BAP (0 to 3 mg dm-3). Cultures were maintained in darkness. Soaking explants ...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1391

regarding the ever evolving and improving world on different aspects of knowledge, the need to a worldwide communication would emerge stronger than ever before which calls for special attention on the judgments and best choices for intermediating between the nations. as the language skills for translation are tested separately from translation skills themselves, to assess translation skills pro...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1391

we have two part in this thesis, at first: the interaction of native calf thymus dna (ct-dna) with two anthraquinones including quinizarin (1,4- dihydroxy anthraquinone) and danthron (1,8- dihydroxy anthraquinone) in a mixture of 0.04 m brittone-robinson buffer and 50% of ethanol were studied at physiological ph by uv-vis absorption, florescence, circular dichroism spectroscopic methods, viscos...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علوم بهزیستی و توانبخشی - دانشکده توانبخشی 1393

abstract objectives gradual increase length and complexity of utterance (gilcu) therapy method is a form of operant conditioning. this type of treatment is very precise and controlled that is done in 54 steps in 3 speech situations consisted of monologue, reading and conversation. this study aimed to examine the effects of gilcu treatment method on reduction of speech dysfluency of school-age...

Journal: :علوم باغبانی ایران 0
فرشته خسروی نژاد دانشجوی سابق کارشناسی ارشد گروه بیوتکنولوژی کشاورزی، دانشکده کشاورزی و منابع طبیعی، دانشگاه آزاد اسلامی واحد دامغان حمید عبداللهی دانشیار، بخش تحقیقات باغبانی، مؤسسة تحقیقات اصلاح و تهیة نهال و بذر، کرج بهاره کاشفی استادیار گروه بیوتکنولوژی کشاورزی، دانشکده کشاورزی و منابع طبیعی، دانشگاه آزاد اسلامی واحد دامغان مریم حسنی کارشناس ارشد بیوتکنولوژی کشاورزی، دانشکده کشاورزی و منابع طبیعی، دانشگاه آزاد اسلامی، واحد علوم و تحقیقات، تهران زینب صالحی کارشناس ارشد بخش تحقیقات باغبانی، مؤسسه تحقیقات اصلاح و تهیه نهال و بذر، کرج

among pome fruit trees, quince is the most susceptible tree to fire blight. following selection of several promising quince cultivars, this research aimed at optimization of in vitro propagation protocol of the selected materials. therefore, several experiments were carried out for determination of the best culture medium and plant growth regulators for establishment, proliferation and root ind...

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

abstract sensitive and precise voltammetric methods for the determination of trace amounts of furaldehydes, mainly as furfural (f) and 5-hydroxymethyl-2-furaldehyde (hmf), in waste waters and other matrices is described. determination of total furaldehyde at < ?g g-1 levels in alkaline buffered aqueous media was individually investigated. by the use of ordinary swv and adsorptive square wave ...

Journal: :علوم باغبانی 0
علی خزاعی نسرین مشتاقی سعید ملک زاده کمال غوث

introduction: jujube (ziziphus jujuba) is one of the most important fruit trees in asia which has been planted from 3,000 years ago in china for medicinal purposes. jujube belongs to the rhamnaceae family. the jujube fruit is used in fresh and dry forms. the fruit is full of vitamin c and has anticancer and medicinal effects. this tree can grow on salty and dry lands in iran. therefore, increas...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده ادبیات و زبانهای خارجی 1388

the present study was an attempt to conduct a contrastive analysis between general english (ge) and english for specific purposes (esp) texts in terms of cohesion and cohesive devices. to this end, thirty texts from different esp and ge textbooks were randomly selected. then they were analyzed manually to find the frequency of cohesive devices. cohesive devices include reference, substitution, ...

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