نتایج جستجو برای: years either ahmad aghaie cultivar had the highest embryo sac fertilization however

تعداد نتایج: 16131268  

بهلکه, گلدی محمد, بیابانی, عباس, صبوری, حسین, فلاحی, حسینعلی,

In order to study the effect of planting date on five cultivars of wheat (Khazar1, Falat, Zagros, Kohdasht, Karim) an experiment was conducted as a split-plot randomized complete block in Research Farm of Gonbad Kavous University, Gonbad Kavous, in northern Iran at 2013-2014. Main plots contained nine planting dates (November 4th, November 19th, December 3rd, December 18th, January 2nd, January...

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

educational researchers have provided evidence that teachers’ emotional intelligence has strong effects on various aspects of teaching and learning. yet, in the field of teaching english to speakers of other languages (tesol), inquiry into teachers’ emotional intelligence is nearly limited. given its documented powerful impact on teaching practices and student learning, it is critical to pursue...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده ادبیات و علوم انسانی 1389

abstract the primary purpose of this study was to explore the actual practices and cognitions of two groups of iranian eap teachers, i.e. language teachers and content teachers, with respect to teaching reading-comprehension and vocabulary. to this end, tehran university of medical sciences which authorizes both groups of teachers to teach eap courses was selected as the context of the study s...

Journal: :The Plant cell 2003
Matthew R Tucker Ana-Claudia G Araujo Nicholas A Paech Valerie Hecht Ed D L Schmidt Jan-Bart Rossell Sacco C De Vries Anna M G Koltunow

Seed formation in flowering plants requires meiosis of the megaspore mother cell (MMC) inside the ovule, selection of a megaspore that undergoes mitosis to form an embryo sac, and double fertilization to initiate embryo and endosperm formation. During apomixis, or asexual seed formation, in Hieracium ovules, a somatic aposporous initial (AI) cell divides to form a structurally variable aposporo...

Journal: :Current Biology 2003
Nicolas Rotman Frédérique Rozier Leonor Boavida Christian Dumas Frédéric Berger Jean-Emmanuel Faure

Fertilization in both animals and plants relies on the correct targeting of the male gametes to the female gametes. In flowering plants, the pollen tube carries two male gametes through the maternal reproductive tissues to the embryo sac, which contains two female gametes. The pollen tube then releases its two male gametes into a specialized receptor cell of the embryo sac, the synergid cell. T...

2017
A Bayram I Elkhatib A Arnanz A Linan F Ruiz B Lawrenz H M Fatemi

OBJECTIVE To report the arrest of euploid embryos with high mtDNA content. DESIGN A report of 2 cases. SETTING Private fertility clinic. PATIENTS 2 patients, 45 and 40 years old undergoing IVF treatment. INTERVENTIONS Mature oocytes were collected and vitrified from two ovarian stimulations. Postthaw, survived mature oocytes underwent fertilization by intracytoplasmic sperm injection (I...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه محقق اردبیلی - دانشکده علوم کشاورزی 1391

abstract: the potato tuberworm, phthorimaea operculella (zeller), is an important insect pest of potato (solanum tuberosum l.) in the storage and field in most parts of the world especially in tropical and subtropical regions due to its close relationship with the host, high reproductive potential and high economic losses. information on host preference, life table parameters and digestive en...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - دانشکده زبانهای خارجی 1392

abstract this study investigated the predictability of variables from a motivational framework as well as individuals qualities to predict three non-linguistic outcomes of language learning. gardners socio-educational model with its measures has been used in the current study. individual qualities presented in this study include (1) age, (2) gender, and (3) language learning experience. the...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده ادبیات و علوم انسانی 1389

methodology non-native participants in this study were sixty ba students majoring in english literature and teaching english as a foreign language at khayyam university of mashhad. they were senior students, between 21 to 24 years old, who had studied english for at least three and a half years and had passed several courses including grammar, reading, conversation, and writing. this was assum...

ژورنال: Medical Laboratory Journal 2018
Fallah, Nazanin, Rabiee, Soghra, Saffari, Sima,

ABSTRACT           Background and Objectives: Human chorionic gonadotropin (hCG) is the embryonic hormone and one of the most important factors for implantation. The present study aimed to evaluate effect of intra-uterine injection of hCG before embryo transfer on the pregnancy outcome in IVF.          Method...

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