Detection of Accumulation-erosional Terrace Association formed in the Last 20, 000 Years
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چکیده
منابع مشابه
Toxoplasmosis in sheep--the last 20 years.
Sheep are important to the economy of many countries because they are a source of food for humans. Sheep are commonly infected with the protozoan parasite, Toxoplasma gondii. Infection with the parasite may cause early embryonic death and resorption, fetal death and mummification, abortion, stillbirth, and neonatal death. Severity of infection is associated with the stage of pregnancy at which ...
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چکیده: سرطان پستان دومین عامل مرگ مرتبط با سرطان در خانم ها است. از آنجا که سرطان پستان یک تومور وابسته به هورمون است، می تواند توسط وضعیت هورمون های استروئیدی شامل استروژن و پروژسترون تنظیم شود. استروژن نقش مهمی در توسعه و پیشرفت سرطان پستان ایفا می کند و تاثیر خود را روی بیان ژن های هدف از طریق گیرنده های استروژن اعمال می کند. اما گروه دیگری از گیرنده های هسته ای به نام گیرنده های مرتبط به ا...
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After one year of unprotected intercourse, 15 to 20% of couples wishing to conceive have still not achieved a successful pregnancy. Medical tests can be performed at this stage to determine the origin of the problem. For 38% of couples, combined infertility due to a problem affecting both partners is diagnosed [2]. In 34% of cases, the problems concerns the woman alone, in 20% the man alone, an...
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This article is a critical review of the last 20 years of the development of visual anthropology in the United States and United Kingdom. It is argued that there are three approaches to the field – visual anthropology as ethnographic film, as the cultural study of pictorial media and as an inclusive anthropology of visual communication. The development and expansion of scholarly journals, train...
متن کاملSimulating low frequency changes in atmospheric CO 2 during the last 740 000 years
Atmospheric CO 2 measured in Antarctic ice cores shows a natural variability of 80 to 100 ppmv during the last four glacial cycles and variations of approximately 60 ppmv in the two cycles between 410 and 650 kyr BP. We here use various paleo-climatic records from the EPICA Dome C Antarctic ice core and from oceanic sediment cores covering the last 740 kyr to force the ocean/atmosphere/biospher...
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ژورنال
عنوان ژورنال: Kikan Chirigaku
سال: 1994
ISSN: 1884-1252,0916-7889
DOI: 10.5190/tga.46.217