منابع مشابه
a study on construction of iranian life tables: the case study of modified brass logit system
چکیده ندارد.
15 صفحه اولVaccine Adjuvants: The Current Necessity of Life
Context: Vaccination is considered as the most cost effective method for the prevention of human diseases. For this prevention method, we need certain substances to increase or boost the antibody as well as cell-mediated immune response against various bacterial as well as viral pathogens. Until now, alum was considered as the safest adjuvant for human use, licensed by the United States Food an...
متن کاملThe Historical Necessity of Life for Cognition
I argue that life metabolic systems satisfying the property of autopoiesis is structurally historically necessary for cognition. That is: (1) the rst place where cognition is needed and emerges naturally is within living (metabolic) agents; (2) non-metabolic cognitive agents can emerge only as artifacts of other cognitive agents, the earliest of which must be living. In order to make this preci...
متن کاملInsect–plant Relationship – Chance and Necessity
From the early 1920s, Europe was furiously struggling with the invasion of the Colorado potato beetle and then soon took cognisance of its inevitable triumph with resignation. All over Europe, laboratories were established and talented entomologists attempted to discover the “Achilles-heel” of the new pest devastating potato fields and threatening the potato industry. In 1947, the first scouts ...
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ژورنال
عنوان ژورنال: International Letters of Natural Sciences
سال: 2014
ISSN: 2300-9675
DOI: 10.18052/www.scipress.com/ilns.20.151