نتایج جستجو برای: development length

تعداد نتایج: 1694839  

Guang-hai Jin, Jing-wei Li, Pei-min Yang, Yi-xin Liu, Zong-yun Hu,

 To investigate the ontogeny of Perccottus glenii, embryonic, larval and juvenile development of P. glenii were examined under captive condition. The fertilized eggs with numerous oil droplets were orange-pink in color, prolate spherical in shape and had average length of 3.32±0.14 mm and width of 1.24±0.04 mm. From fertilization to hatching, the ontogenesis of the fish spent more than 200...

Journal: :پژوهش های زراعی ایران 0
حمید رضا خزاعی احمد نظامی بیژن سعادتیان امید آرمندپیشه

the study was conducted to evaluate the effect of seed priming on root growth of two barley cultivars (hordeum vulgare l.) under salinity stress was performed in phytogel. the treatments included two cultivars of barely (yusuf and maquie), levels of seed priming (control, hydro-priming and priming with 4.35 g l-1 of urea) and four levels of nacl salinity stress (0, 0.2, 0.3 m). the experiment w...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان 1390

the changes in todays world organization, to the extent that instability can be characterized with the most stable organizations called this afternoon. if you ever change management component, an additional value to the organization was considered, today, these elements become the foundation the organization is survival. the definition of the entrepreneur to identify opportunities to exploit a...

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

abstract the present study tried to investigate the effect of visual aids (films) on the development of the speech act of disagreement among iranian efl intermediate learners. to this end, the researcher selected 40 homogeneous intermediate learners based on their scores on oxford placement test. .the subjects then divided into control group and experimental group. both classes were tested by ...

Journal: :journal of dental school, shahid beheshti university of medical sciences 0
مسعود سیفی massoud seifi dental school, shahid beheshti university of medical sciences, tehran-iran ([email protected])دانشکده دندانپزشکی، دانشگاه علوم پزشکی شهید بهشتی مریم عشیری maryam ashiri مهدی هدایتی mahdi hedayati shahid beheshti university of medical sciences, tehran-iran.دانشگاه علوم پزشکی شهید بهشتی

background and aim: it is well - known that sex hormones regulate bone metabolism. sex steroids increase osteoblasts activities and affect growth, remodeling and bone homeostasis. the aim of this study was to examine the effects of sex hormones deficiency on craniofacial growth in rats. methods & materials: fifty, thirty–day–old wistar rats comprised the sample in this experimental study. 25 ma...

Guang-hai Jin Jing-wei Li Pei-min Yang, Yi-xin Liu Zong-yun Hu

 To investigate the ontogeny of Perccottus glenii, embryonic, larval and juvenile development of P. glenii were examined under captive condition. The fertilized eggs with numerous oil droplets were orange-pink in color, prolate spherical in shape and had average length of 3.32±0.14 mm and width of 1.24±0.04 mm. From fertilization to hatching, the ontogenesis of the fish spent more than 200 h, a...

Journal: :Geometric and Functional Analysis 2008

Journal: :علمی شیلات ایران 0
جاسم غفله مرمضی j gbofleh marammazi محسن الحسینی m ai-hosseini غلامرضا اسکندری g.r eskandary هوشنگ انصاری h ansari

data used  in this publication  is a part of a comprehensive  study was carried out jointly between  south  aquaculture  research  center  (siarc)  and  kuwait  institute  for  scientific research  (kisr)  on  silver  pomfret  (pampus  argenteus)  in  2003  to  2005.  the  study  was aimed to collect efficient data from two regions from biological and population parameters of this economically ...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده فنی 1390

در این پژوهش که بمنظور ارزیابی تاثیر الگوی مسلح سازی توسط ژئوگرید بر کمانش جانبی ستون سنگی و تغییرات کمی و کیفی کمانش ستون انجام شده است، با در نظر گرفتن سه حالت مسلح سازی و تحلیل توسط نرم افزار اجزاء محدود plaxis انجام شد. حالات مسلح سازی شامل تمام مسلح(full length)، مسلح شده موضعی(local) و مسلح شده ترکیبی (combined)، برای ارزیابی تغییرات حداکثرکمانش جانبی(lbm)، کاهش حداکثر کمانش (lbrm)، عمق...

The structure and histogenesis of the stigma of Datura stramonium was investigated by light and scanning electron microscopy to determine the developmental origin of the transmitting tissue and “wet stigma”. Four developmental stages were defined on the basis of bud length. Stage one, the histogenesis stage, was comprised of buds 2-15 mm in length. Stage two, signified by the growth and develop...

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