Effets des différentes fractions du gradient de Percoll discontinu sur la mobilité des spermatozoides humains
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Impact du changement d'échelle sur l'étude des causes des feux de forêts du sud-est de la France
The Modifiable Areal Unit Problem (MAUP) is a well-known issue related to the influence of the spatial support on statistical observations. It occurs when different spatial units making different spatial partitions are used and when the resulting measures vary according to those partitions. In this paper, we first draw a state of the art. Considering the particular problem of (up)scaling, we pr...
متن کاملSur La Description Des Formations De . . .
We are interested in nite-time blow-up phenomena for heat equations of the type: @u @t = u+ jujp 1u (1) where u : (x; t) 2 RN [0; T )! R, 1 < p, (N 2)p < N + 2. We rst construct for (1) a solution u which blows-up in nite time T at only one blow-up point x0 2 RN , and describe completely its blow-up pro le (or asymptotic behavior). This construction is based on a priori estimates' technique whi...
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ژورنال
عنوان ژورنال: Andrologie
سال: 1991
ISSN: 1166-2654,1760-5377
DOI: 10.1007/bf03035076