نتایج جستجو برای: Step Culture System

تعداد نتایج: 2659811  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تهران - دانشکده حقوق و علوم سیاسی 1387

چکیده ندارد.

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده علوم انسانی 1393

in this research the focus of the researcher is on the influence of american myths that have long been held and offered by the american culture and ideologies. sam shepard is conceived to be one of the greatest playwrights of the contemporary american theater. in his works he depicts broken characters who are struggling to keep up with the national expectations but are ceaselessly borne back to...

Abstract The required factors have been investigated to apply knowledge management by carrying out the field study using staff opinions of Kermanshah Telecommunication Company in this research. After indicating the required factors of applying knowledge management, relationship between each factor of knowledge process system, organizational culture and information technology system with the kno...

Azari Dolatabad N, Hajian M Hosseini SM Nasr Esfahani MH, Ostadhosseini S Rahmani HR

Background: The developmental competence of oocytes matured in vitro (IVM) is yet far below than in vivo counterparts. Recent studies suggest that the asynchrony between nuclear/cytoplasmic maturation and the initial low/heterogeneous quality of oocytes are the most important factors affecting IVM success. We investigated whether selection of growing oocytes (based on their glucose 6- phosphate...

Abdol Hossein Shahverdi Akbar Pirestani Fariba Moulavi Hamid Ghasemzadeh Nava Laleh Hosseini Mahdi Hajian Mohammad Hossein Nasr-Esfahani, Mohsen Forouzanfar Parvaneh Abedi Parviz Tajik Sayyed Morteza Hosseini Somayyeh Ostad Hosseini

Background The aim of this study was to establish a cell-free sequential culture system that can support high levels of in vitro embryo development and blastocyst formation from bovine zygotes. To this end, this investigation was carried out to evaluate the effects of glucose, serum and EDTA on bovine zygote in vitro development. MaterialsAndMethods Bovine presumptive zygotes were derived from ...

ژورنال: علوم آب و خاک 2000
احسان پور, علی اکبر, جونز, مایکل ,

Potato is a valuable plant as a source of nutrition and as an industrial product. The modification and breeding of potato plants are very difficult, or even impossible, via the conventional plant breeding programs. However, plant biotechnology and tissue culture are reliable methods which can produce plant material for gene transformation using Agrobacterium as a vector. In this study, one-, ...

احسان پور, علی اکبر, جونز, مایکل ,

Potato is a valuable plant as a source of nutrition and as an industrial product. The modification and breeding of potato plants are very difficult, or even impossible, via the conventional plant breeding programs. However, plant biotechnology and tissue culture are reliable methods which can produce plant material for gene transformation using Agrobacterium as a vector. In this study, one-, tw...

Journal: :مدیریت فناوری اطلاعات 0
شعبان الهی دانشیار گروه مدیریت فناوری اطلاعات، دانشگاه تربیت مدرس، تهران، ایران آمنه خدیور دانش آموخته دکتری مدیریت، دانشگاه تربیت مدرس،مدرس دانشگاه الزهرا، تهران، ایران علیرضا حسن زاده استادیار گروه مدیریت فناوری اطلاعات، دانشگاه تربیت مدرس، تهران، ایران

chooshing the knowledge management strategy is affected by different organizational factors like business strategy, organizational structure, organizational culture, information technology strategy, human resource management, and dynamics of knowledge. it is difficult for strategists to consider all these factors in choosing appropriate km strategy. in this research after presenting a six step ...

Journal: :Human reproduction 2005
David K Gardner Michelle Lane

BACKGROUND A comparison has been made of the development of mouse zygotes in either one-step or two-step culture systems. METHODS Embryo culture, blastocyst cell counts and embryo transfer were done. RESULTS No significant differences were observed in the proportions of blastocysts, rates of hatching, numbers of cells in the inner cell mass (ICM) and trophectoderm (TE) that developed in pro...

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