Results 241 to 250 of about 19,437 (295)
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Physical Review Letters, 1989
Consider surfaces being brought into contact. It is proposed that atomic layers can collapse or avalanche together when the interfacial spacing falls below a critical distance. This causes a discontinuous drop in the adhesive binding energy. Avalanche can occur regardless of the stiffness of external supports.
, Smith +3 more
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Consider surfaces being brought into contact. It is proposed that atomic layers can collapse or avalanche together when the interfacial spacing falls below a critical distance. This causes a discontinuous drop in the adhesive binding energy. Avalanche can occur regardless of the stiffness of external supports.
, Smith +3 more
openaire +2 more sources
The Journal of Trauma: Injury, Infection, and Critical Care, 1989
Medical aspects of avalanche accidents have apparently not been studied in the American literature. Records from the Utah Avalanche Forecasting Center (UAFC) for the period 1982-1987 were reviewed and compared with similar data from Europe and Canada. One hundred forty-five avalanches involving 188 individuals were reported to the UAFC. Ninety-one (48%)
M D, Grossman +3 more
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Medical aspects of avalanche accidents have apparently not been studied in the American literature. Records from the Utah Avalanche Forecasting Center (UAFC) for the period 1982-1987 were reviewed and compared with similar data from Europe and Canada. One hundred forty-five avalanches involving 188 individuals were reported to the UAFC. Ninety-one (48%)
M D, Grossman +3 more
openaire +2 more sources
Communications of the ACM, 2014
Computing technology has generated conditions for radical transformations of jobs and professions---including education. How shall we cope?
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Computing technology has generated conditions for radical transformations of jobs and professions---including education. How shall we cope?
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Stochastics and Dynamics, 2016
The avalanche transformation as a model for avalanches in neural dynamics was introduced in [8] in 2008. Here we discuss this transformation in terms of group actions, random dynamics and skew products with a finite invariant measure. The results are based on [8]. Some open problems are mentioned.
Denker, M. +1 more
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The avalanche transformation as a model for avalanches in neural dynamics was introduced in [8] in 2008. Here we discuss this transformation in terms of group actions, random dynamics and skew products with a finite invariant measure. The results are based on [8]. Some open problems are mentioned.
Denker, M. +1 more
openaire +4 more sources
Computer, 2007
The Internet has added yet another dimension to the production and consumption of information. Long merely consumers of content, Internauts are now also major producers of it. Search engines make it possible to sift through the enormous quantity of material that is finding its way into digital form. Going online has become an adventure in discovery for
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The Internet has added yet another dimension to the production and consumption of information. Long merely consumers of content, Internauts are now also major producers of it. Search engines make it possible to sift through the enormous quantity of material that is finding its way into digital form. Going online has become an adventure in discovery for
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2015
Snow avalanches are a major natural hazard in most snow-covered mountain areas of the world. They are rapid, gravity-driven mass movements and are considered a meteorologically induced hazard. Snow avalanches are one of the few hazards that can be forecast, and in situ measurements of instability are feasible. Advanced hazard-mitigation measures exist,
Schweizer, Jürg +2 more
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Snow avalanches are a major natural hazard in most snow-covered mountain areas of the world. They are rapid, gravity-driven mass movements and are considered a meteorologically induced hazard. Snow avalanches are one of the few hazards that can be forecast, and in situ measurements of instability are feasible. Advanced hazard-mitigation measures exist,
Schweizer, Jürg +2 more
openaire +2 more sources
2001
Abstract Avalanches have long been a natural threat to humans in mountainous areas. At the end of the Middle Ages, the population in Europe experienced significant growth, leading to an intensive exploitation of upper valleys. At almost the same time, Europe’s climate cooled down considerably and severe winters became more common.
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Abstract Avalanches have long been a natural threat to humans in mountainous areas. At the end of the Middle Ages, the population in Europe experienced significant growth, leading to an intensive exploitation of upper valleys. At almost the same time, Europe’s climate cooled down considerably and severe winters became more common.
openaire +2 more sources
Avalanche speed in thin avalanche photodiodes
Journal of Applied Physics, 2003The duration of the avalanche multiplication process in thin GaAs avalanche photodiodes is investigated using a full band Monte Carlo (FBMC) model. The results are compared with those of a simple random path length (RPL) model which makes the conventional assumptions of a displaced exponential for the ionization path length probability distribution ...
Ong, D. S., Rees, G. J., David, J. P. R.
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, 2011 Ensino Médio::MatemáticaEste experimento propõe modelar matematicamente avalanches provocadas por materiais simples, como milho de pipoca, feijão e um recipiente qualquer.
Universidade Estadual de Campinas - Unicamp - Matemática +2 more
core +4 more sources