منابع مشابه
The Social Bow Tie
Understanding tie strength in social networks, and the factors that influence it, have received much attention in a myriad of disciplines for decades. Several models incorporating indicators of tie strength have been proposed and used to quantify relationships in social networks, and a standard set of structural network metrics have been applied to predominantly online social media sites to pre...
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Recent results of the ALADIN collaboration are reviewed. Fragment multi-plicities and correlations are found to be invariant with respect to a change of the target mass or the beam energy when plotted as a function of Z bound. The dependence of the fragment multiplicity on the projectile mass follows a linear scaling law. For Au+Au reactions at E/A=600 MeV, the mass and the excita-tion energy o...
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S easonal variation in the incidence of communicable diseases is among the oldest observations in population biology, dating back at least to ancient Greece, yet our understanding of the mechanisms underlying this phenomenon remains hazy at best. Influenza is perhaps the seasonal disease of most profound interest, because it is responsible for much of the seasonal variation in other infectious ...
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ژورنال
عنوان ژورنال: Nature
سال: 1888
ISSN: 0028-0836,1476-4687
DOI: 10.1038/037486b0