[PDF] Top 20 An. Acad. Bras. Ciênc. - vol.85 número2

... In this paper, on the one hand, we obtain vanishing theorems of two classes of complete manifolds that satisfy weighted Poincaré inequalities (Theorems 2.2 and 2.7). At the same time, we apply Theorem 2.2 to minimal ... See full document

... and an autochthonous (pedological) development of stone layers separating yellowish- brown and reddish soil horizons, we do not share the view of Bremer (1995) and Johnson et ... See full document

... coleoptiles, followed by the primary root, which is ephemeral. The rhizome originates from the mesocotyl and it promotes the vascular connection between the roots, leaves and scapes. The continuity of the tissues is ... See full document

... We collected adults emerged from each tray until the full emergence, at intervals of five days, using an adapted vacuum cleaner, and weighed the total of insect/tray on a scale in order to estimate the feasibility ... See full document

... Observed by SEM (Fig. 2) the spores are verrucate-tuberculate on the proximal face. Single or fused ridges are seen on the distal face. On ridge surfaces, the micro-ornamentation is verrucate-tuberculate, similar to that ... See full document

... In shade plants, the water parenchyma has seven to nine layers of isodiametric and dorso-ventrally elongated cells in the base and in the middle of the leaves; and fi ve to seven laye[r] ... See full document

... century. One of the first to introduce Newton’s ideas in France, Maupertuis led a program that contributed to confirm Newton’s assertions about the oblate spheroid shape of the Earth, with an equatorial diameter ... See full document

... methanol as a direct carbon source via serine biosynthesis and 2) decreased carbon loss from photorespiration. Nonomura and Benson (1992a, b) declared that water use efficiency significantly increased in methanol treated ... See full document

... In summary, S. knerii showed the following morphological characteristics of the digestive tract: incisiform teeth, a long intestine, an intestinal coefficient value of 1.30 ± 0.17, which are compatible with the ... See full document

... with an Orbitrap LTQ XL (Thermo Fisher Scientific, San Jose Ca, USA) ion trap mass spectrometer using a nanospray (nanoelectrospray) ionization source to generate ions from methanol ... See full document

... and Amazonia (Makalata) recorded together for the first time (Table I). Similarly, some fossil didelphids of Gruta dos Moura are associated with open and deciduous forest areas and others with humid forest (Villa Nova et ... See full document

... Therefore, the present study aims to characterize the oils extracted from seeds of Hamlin, Natal, Pera-rio and Valencia orange varieties (Citrus sinensis), as to the levels of total ca[r] ... See full document

... 2955, FUNED 2959, and of both sides in FUNED 2948, FUNED 2949, FUNED 2952, FUNED 2953 and FUNED 2960; in these specimens the temporal contacts the postocular dorsally, third supralabial ventro-anteriorly, postsupralabial ... See full document

... Body elongated, flattened (Figure 3a). Body surface with rounded sensory papillae, furrows and rings forming superficial annulations, dorsal and ventral, both in the forebody and hindbody (Figure 4a, b, c). Oral sucker, ... See full document

... using an electric drill or shatter box and then analyzed for C and O isotopes at the Stable Isotope Laboratory (NEG-LABISE), Federal University of Pernambuco, using the methods described by Sial et ... See full document

... After an extensive revision of the literature and the herbarium material available, this species is recorded for the first time to the State of Rio Grande do ... See full document

... formation of CCA in L. sativa. All these parameters were dose dependent Thus, our results recommend caution when using guava as a medicinal and phytotherapic plant. Furthermore L. sativa has proven to be an ... See full document

... Low fecundity species with high habitat specia- lization are most likely to suffer with populations declines (Bielby et al. 2006). Furthermore, additional attention has been dedicated to specific reproductive modes since ... See full document

... is an annual glasswort commercially cultivated in the United States, Mexico, Saudi Arabia, the United Arab Emirates, Egypt, Eritrea and Pakistan, not only for seed oil production (Glenn et ... See full document

... Figure 3 - Curve of the expected size of sample units (Average sample number) for the test sequential probability ratio to total population of adult Bemisia tuberculata (Hemipt[r] ... See full document