نتایج جستجو برای: upstream

تعداد نتایج: 40625  

Journal: :Journal of theoretical biology 2010
Akio Iwagami Naoki Masuda

Many mechanisms for the emergence and maintenance of altruistic behavior in social dilemma situations have been proposed. Indirect reciprocity is one such mechanism, where other-regarding actions of a player are eventually rewarded by other players with whom the original player has not interacted. The upstream reciprocity (also called generalized indirect reciprocity) is a type of indirect reci...

2012
Ronald A. Rader Eric S. Langer

S ingle-use bioprocessing equipment has become wellaccepted technology in a relatively short time. Disposable devices and components have created market niches and new segments that continue to evolve. In this dynamic environment, it is diff icult to measure acceptance or assess market growth. Here we project the world market for cell culture single-use systems (SUS) as well as problems affecti...

Bahmannia, Hengameh , Khosravi , Mahboubeh , Malaki , Hassan ,

Purpose: Teacher competencies in the education system is among the most influential and important issues. This importance is rooted in the critical role of teachers in educating people in a society, because the more teachers are prepared and qualified, the greater their impact on upgrading the education system. Methodology: In this regard, upstream documents, as the most extensive strategic and...

Journal: :Journal of Fluid Mechanics 2005

Journal: :Journal of Geophysical Research 2002

Journal: :Journal of Economics <html_ent glyph="@amp;" ascii="&amp;"/> Management Strategy 1992

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