نتایج جستجو برای: low energy
تعداد نتایج: 1754888 فیلتر نتایج به سال:
We give the general analytic solutions derived from the low energy string effective action for four dimensional Friedmann-Robertson-Walker models with dilaton and antisymmetric tensor field, considering both long and short wavelength modes of the H-field. The presence of a homogeneous H-field significantly modifies the evolution of the scale factor and dilaton. In particular it places a lower b...
The main tasks of a Wireless Sensor Network (WSN) are data collection from its nodes and communication of this data to the base station (BS). The protocols used for communication among the WSN nodes and between the WSN and the BS, must consider the resource constraints of nodes, battery energy, computational capabilities and memory. The WSN applications involve unattended operation of the netwo...
M. Sawicka, R. Grzywacz, I. Matea, H. Grawe, M. Pfützner, J. M. Daugas, M. Lewitowicz, D. L. Balabanski, F. Becker, G. Bélier, C. Bingham, C. Borcea, E. Bouchez, A. Buta, M. La Commara, E. Dragulescu, G. de France, G. Georgiev, J. Giovinazzo, M. Górska, F. Hammache, M. Hass, M. Hellström, F. Ibrahim, Z. Janas, H. Mach, P. Mayet, V. Méot, F. Negoita, G. Neyens, F. de Oliveira Santos, R. D. Page,...
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