[PDF] Top 20 An. Acad. Bras. Ciênc. - vol.87 número3

... The reproductive morphology of cetaceans is poorly studied and, despite the large number of strandings, reports on this subject are scarce due to access to carcasses mostly in an advanced state of decomposition. ... See full document

... (Azhar et al. 2004). In this study, the extracts of cvs. Larrañaga and São Gabriel significantly (p<0.05) inhibited the mycelia growth, at least in one of the fungi tested, indicating the importance of evaluating ... See full document

... The relative importance of site versus substrate was assessed based on a partial canonical correspondence analysis (pCCA). This analysis used the taxa density matrix to partition the results into independent components, ... See full document

... Simplex centroid design is very useful in establishing optimal proportions among the various components of a mixture. In ultrasound- assisted extraction, acid solutions are usually used as extracting agents due to their ... See full document

... The fish immune system is responsible for destroying microorganisms through acquired and innate components, with humoral and cellular process that perform together in an attempt to prevent the outbreak of ... See full document

... (Kacelnick 1984, Jones 1987), bees that carry pollen to the colony (Schmid-Hempel 1986), hunting-wasps that store prey in their nests (Araújo and Gonzaga 2007) and leaf-cutting ants that carry leaf fragments (Burd 2000) ... See full document

... We collected samples from four individuals of each species on November 2005 and January 2006. Despite the observed variation in isotopic composition in leaves along the day (Lai et al. 2008), we collected the samples ... See full document

... Eugenol, 1,8-cineole, trans-caryophyllene and linalool were found to be major chemical constituents of essential oils of aerial parts from O. selloi (Table II, Figures 1, 4, 5, 6, 7, 8 and 9) in the two seasons. ... See full document

... capsule. An aliquot of this homogenized mixture of spores and water was collected using a Pasteur pipette and added to a Neubauer counting ...and an ocular micrometer we randomly measured the largest ... See full document

... Group composition was the same as described previously, but we are not sure if was the same group, especially with regards to the second adult. The calf was totally white in the dorsal region and in the head, which were ... See full document

... Therefore, cortical and medullar lymphocytes, although all being T-cells, have some major differences in their functional and maturational status. First, these two populations have different expression of TCR co-receptor ... See full document

... Although herbicides are essential to obtain the neces- sary food and fiber, their use increases production costs and causes contamination of humans and the environ- ment with harmful substances (Paoletti and Pimentel ... See full document

... By steaming Fagus sylvatica logs at 60 ◦ C, it’s con- cluded that the presence of both heartwood and sap- wood in a same log does not allow an uniform stream heat in the material (Perré 2004). During the steaming, ... See full document

... We wish to thank the R.E.H.M. and its former direc- tor, E. Richard, for offering access to files and instal- lations, as well as C.P. Juárez, K. García, K. Soria, M. Juárez, M.C. Cocimano, R. Delgado, and I. Palacios ... See full document

... Let  be an open connected subset of R n , and consider 8() = {F ∈ C ∞ (, R n ) : det(DF)(x) 6= 0 ∀x}. We denote an element of 8() by F = (f 1 , . . . , f n ) . A very basic problem in Mathematical ... See full document

... The averages for the content of diastase index do not differ (P>0.05) between the two groups. The aver- age of the diastase index in non-organic honey was 29.76 (Gothe scale) to an interval from 16.31 to 38.83, ... See full document

... The “Klason”-lignin content in the samples varied between 19.8% and 25.8%. In the heartwood samples, the lignin content was higher than in the sapwood. The higher content of “Klason”-lignin in the heartwood might be ... See full document

... to metabolic processes, initiation and promotion of can- cer and tissue injury by free radicals, which has induced the intake of antioxidant products as chemical factors that prevent the onset of diseases (Núñez-Sellés ... See full document

... the organic and reductive phases also occurred, while the carbonatic phase occurred in the speciation of Mn in less proportion, except in station 1, which showed a percentage of almost 20%. Great parts of manganese occur ... See full document

... is an urgent need to establish georeferenced baseline maps of plant and soil microbial distribution in order to evaluate future compositional changes through the ... See full document