[PDF] Top 20 An. Acad. Bras. Ciênc. - vol.78 número1

... ene (Takaishi et al. 1997) along with the NOE cross peak between H-17 and H-14 α in the 1 H- 1 H- NOESY spectrum led us to established an equato- rial position for the C-17 methyl group, such as in the ... See full document

... Ladybugs are considered as foretellers of luck in many parts of the world (Majerus 1994), while wasps are used as indicators of danger in Japan (Ramos-Elorduy 2000). In some parts of Russia and France people think of a ... See full document

... [2] + [2B N] + [4B N] + [3  ] (2b) Contrary to the results noted for combinations of radical pair A, combinations of radical pair B fa- vor 2 and 4BN in both the glassy and melt states of PVAc (Table I). The decreased ... See full document

... with an unusually expanded crista prootica and the presence of an anterior prolongation of the parasphenoid reaching the basal tubera were not reported in other members of the Titanosauridae, indicating a ... See full document

... as an inch-thick transverse section, does not show this feature, and thus cannot be confidently referred to this ...representing an animal with a wingspan up to 7 ... See full document

... about the world must be affirmed against other explanations or forms of knowledge while drawing on the social strength of scientists and symbolic effectiveness of their rhetorical strategies. The social position of ... See full document

... Therefore, we consider the shared characteristics to be morphological convergences due to their similar habitat use, and we include the new species putatively in the genus Tmesiphante[r] ... See full document

... Air temperature greatly influences the seed physiological quality and germinative behavior (Daws et al. 2004, 2006, Lamarca et al. 2011). However, for E. pyriformis seeds, the air temperature influence represented by GDD ... See full document

... This study aimed to detail the temporal and morphological parameters of the immature stages of Spodoptera albula (Walker 1857) under controlled conditions (25 ± 1°C, 70 ± 10% RH and 14 hour photophase) and to gather ... See full document

... Buds in pre-anthesis were arranged facing the inflorescence base while flowers were well open towards their apex. Anthesis was asynchronous in distinct points on the inflorescence circumference and started at 05:00h when ... See full document

... The experiment was carried out at the Department of Animal Science at the Universidade Federal de Viçosa, located in the municipality of Viçosa-MG, Brazil. Viçosa is situated at 20° and 45’ latitude south, 42° and 51’ ... See full document

... is an important factor to consider for the successful use of these species in the field, since unfertilized eggs produce male individuals (Pratissoli et ... See full document

... The majority of the antibiotics are prescribed for ENT infections with a presumed viral etiology. Acute tonsillitis, where viruses like adenovirus, Epstein-Barr virus or influenza viruses are implicated, is treated ... See full document

... made to a factor range of 100 to 175 times. The control treatment with no dye effluent addition was represented as normal BBM. The microalga was acclimated to the BBM using semi-continuous batch system. When the ... See full document

... age. An absence of any effect of AA was also found by Zanoni et ...by an increase in the cellular profile, when age related loss takes place (as observed in non-supplemented animals), the return of the mean ... See full document

... for an ovoid-spheroid: V = 4/3π (L/2) (W/2) 2 , where “L” is the length and “W” the width of a given prey item (Dunham ...obtained an importance index (I x ) through the mean of number, volume, and ... See full document

... Moving outside the Brazilian context and towards an extreme example, Nobel Prize-winning economists have these credentials. Their ideas and recommendations may influence the laymen when they appear in the media ... See full document

... The accuracy of hydrodynamic descriptions can be checked by comparing their predictions to the re- sults obtained from molecular dynamics (Marry and Turq 2003, Dufrêche et al. 2005b). Some of the re- sults are given in ... See full document

... obtained an implicit analytic solution for the mean-field potential and compute the attraction among two planar surfaces for which the far field behavior leads to an exponential ... See full document

... of an accompanying pressure gradient, the large, positive electric field would drive electroosmotic flow in the direction of the bulk concentration gradient (from left to ... See full document