منابع مشابه
Siliceous microfossil succession in the recent history of two basins in Lake Baikal, Siberia
As part of the international cooperative Baikal Drilling Project, siliceous microfossil assemblage succession was analyzed in two short (~ 30-cm) sediment cores from Lake Baikal. One core was recovered from the north basin (Core 324, 55°15~N, 109°30~E), a second from between the central and southern basins (Core 316, 52°28'N, 106°5rE). The northern core had higher amounts of biogenic silica (40...
متن کاملRecent temperature and precipitation increases in West Siberia and their association with the Arctic Oscillation
Frey & Smith 2003: Polar Research 22(2), 287-300 The sensitivity of Arctic climate is documented in the instrumental record of recent decades and is evident in the large temperature increases seen over Northern Hemisphere land areas from about 40° N to 70° N (Nicholls et al. 1996). In particular, sharp temperature increases from 1966–1995 are found in Eurasia and northwest North America, with p...
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In this paper I will examine the geography of one particular type of virtual reality virtual worlds. They are publicly available on the Internet and are designed for social interaction in real-time. The two key elements of these systems that move them beyond conventional computer-mediated communication channels into the realm of virtual reality are the shared graphical environment in which inte...
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A real-valued evolutionary optimisation scenario affords a unique opportunity to render visually explicit the “landscape” metaphor in the concept of fitness landscape.
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We discuss the methodological foundations for our work on the development of cognitive architectures, or control systems, for situated autonomous agents. Our focus is the problems of developing sensorimotor control systems for mobile robots, but we also discuss the applicability of our approach to the study of biological systems. We argue that, for agents required to exhibit sophisticated inter...
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ژورنال
عنوان ژورنال: Science
سال: 1913
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.37.940.13