نتایج جستجو برای: especially through far hybridization

تعداد نتایج: 1884526  

Journal: :Stem cells 1997
T Straume L R Anspaugh E H Haskell J N Lucas A A Marchetti I A Likhtarev V V Chumak A A Romanyukha V T Khrouch Gavrilin YuI V F Minenko

In this article we discuss examples of challenging problems in retrospective dosimetry and describe some promising solutions. The ability to make measurements by accelerator mass spectrometry and luminescence techniques promises to provide improved dosimetry for regions of Belarus, Ukraine and Russian Federation contaminated by radionuclides from the Chernobyl accident. In addition, it may soon...

2015
Graham Bell

One of the most familiar features of the natural world is that most animals and plants fall into distinct categories known as species. The attempt to understand the nature of species and the origin of new species was the enterprise that drove the early development of evolutionary biology and has continued to be a major focus of research. Individuals belonging to the same species usually share a...

Journal: :مطالعات باستان شناسی 0
مصطفی ده پهلوان استادیار گروه باستان شناسی دانشگاه تهران محمد قنواتی هندیجانی دانشجوی دکتری باستان شناسی دانشگاه بوعلی سینا همدان

seals and clay sealings are the most important cultural material of sasanian period. there have been a few seals and bullas of various periods retained in the moghadam museum of tehran. these materials have not been introduced so far. authors of the present paper aim at to study and introduce the sasanian seals and bullas of this museum especially those bearing animal symbolic motifs. we do thi...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید