نتایج جستجو برای: prone soils at the critical early developmental stages

تعداد نتایج: 16483169  

Journal: :molecular biology research communications 2015
zeinab abdolahnejad mohammad pourkazemi majid reza khoshkholgh mahtab yarmohammadi

the mrna expression of growth hormone (gh) gene in early development stages of siberian sturgeon was investigated using rt-pcr method. samples were collected from unfertilized eggs up to 50 days post hatched (dph) larvae in 11 different times. ribosomal protein l6 (rpl6) transcripts were used as the internal standard during quantification of gh mrna expression. the results showed that the gh mr...

E. Mohammadi , E. Sadripour , F. Ghassemzadeh , M. S. Mortazavi , M. Soltani , N. Mahdavi Shahri, V. Ghorani,

Sea Urchin is one of the most useful tools in developmental biology studies because this organism has the simplest kind of developmental stages. We aimed to determine developmental stages and timetable of Echinometra mathaei embryo (the species of Persian Gulf). The spawning of E. mathaei was induced by 0.5M KCl injection (1ml) into the coelomic cavity. After fertilization, embryos wer...

Journal: :modares journal of medical sciences: pathobiology 2011
mojdeh salehnia

objective: mitochondria is a critical organelle within the cell and has important role in the oocyte development, thus the aim of this study was the comparison of mitochondrial distribution within the mouse oocyte at germinal vesicle (gv), germinal vesicle breakdown (gvbd) and metaphase ii (mii) stages using laser confocal microscopy (lscm). materials and methods: after superovulation of adult...

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

the present research has been deducted from a provincial research project which aims at determining the relationship of variables of variables of occupational self-concept, intelligence beliefs and metacognitive with entrepreneurship among the students of payame noor university of kurdistan. the volume of the samples was 1080 students (576 female and 504 male students). the research methodology...

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

the rise and stublishment of safavid dynasty was depend on triangle of tasavof, tashayo and royalty, kings legitimized their power upon these. therefore for the understanding the functions of that period we must explore the role of this elements. although application and emphsise upon dignities such as; complete mentor (morshede kamel), deputy of absent imam (nayebe imame ghayeb), and god’s sha...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده فیزیک 1390

in this thesis, barium ferrite nano particles were prepared by sol-gel method. their structural and magnetic properties of samples have been investigated using thermo gravimetric analysis (tg-dta), x-ray powder diffractometer (xrd), fourier transform infrared (ftir), scanning electron microscopy (sem), field emission scanning electron microscopy (fesem), ac susceptometer, vibrating sample magne...

Journal: :علوم باغبانی ایران 0
رضا بورد دانشجوی سابق کارشناسی ارشد، دانشکدۀ کشاورزی، دانشگاه آزاد واحد علوم و تحقیقات تهران شمس علی رضازاده عضو هیئت علمی بخش فارماکوگنوزی، پژوهشکدۀ گیاهان دارویی جهاد دانشگاهی کرج محمدرضا نقوی استاد دانشکدۀ کشاورزی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران منصور امیدی استاد دانشکدۀ کشاورزی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران سپیده ترابی استادیار دانشکدۀ کشاورزی، دانشگاه آزاد واحد علوم و تحقیقات تهران سعید پروانه دانشجوی سابق کارشناسی ارشد، دانشکدۀ کشاورزی، دانشگاه زابل فرهاد حریری اکبری

artemisia annua is a medicinal annual herb that widely distributed in asia, europ, north america, and also is grown in north reagions of iran. in this study, variation in the quantity and quality of the essential oil of a.annua apical shoots at different developmental stages including vegetative, early flower opening and full flowering stages is reported. the obtained oils by hydrodistilation o...

ژورنال: تحقیقات دامپزشکی 2008
رسول شهروز, شاپور حسن زاده منصور امین کهریز

For developmental study of thymus in different stages offetal period, from thymus glands of75 healthy fetuses. histological sections were prepared and stained by H&E, PAS, Verhoeff, Toluidine blue and Van Geisson's methods. This study revealed that, the infiltration and accumulation of lymphocytes in thymus takes place at second month. Medullae were expanded and cortices were seen as accumulati...

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

one very decisive factor in students’ academic destiny is the result they get at final term examinations. because of its importance, both students and teachers are curiously anxious about them. as normally it is the case, these final term tests are prepared hurriedly in short time by teachers which result in students’ dissatisfaction, complaining on how the test was different from their expecta...

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

in the name of allah , the compassionate the merciful abstract shath ( blasphemic utterace made during spiritual ) is a complicated concept that deserves reflection in gnosticism and sufism ( mysticism ) and estem and westem scholars have alwaya paid attention to it. although principal essence of gnostic belief is the holy divine law ,gnosticism has pure and unique thoughts . by glancing at t...

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