Clutch
Mostrando 1-12 de 76 artigos, teses e dissertações.
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1. Retarding effect of grinding dust and its influence on the physical-mechanical and rheological properties of cementitious matrices
Resumo O presente estudo avaliou a viabilidade da utilização do pó de retífica (PR), resíduo gerado na produção de revestimentos de discos de embreagem, como aditivo retardador em matrizes cimentícias. Para isso, o PR foi adicionado nos teores de 5%, 10% e 15%, em relação à massa de cimento, e avaliou-se o efeito desta adição no tempo de pega, p
Rev. IBRACON Estrut. Mater.. Publicado em: 18/07/2019
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2. Multiple nesting attempts and long breeding seasons of Mimus gilvus (Aves: Mimidae) in southeastern Brazil
ABSTRACT This study describes aspects of the life history of the Tropical Mockingbird Mimus gilvus (Vieillot, 1808), including the breeding period, clutch size, nestlings and a list of plants used for nesting. Nests were monitored in an area of Restinga (sand-coastal plain) habitat in a protected area in southeastern Brazil. The data from 181 nests during fi
Zoologia (Curitiba). Publicado em: 06/06/2019
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3. Reproductive aspects of the semi-aquatic snake Erythrolamprus miliaris (Dipsadidae: Xenodontini) in the state of Rio de Janeiro, southeastern Brazil
Abstract: We analyzed some aspects of reproduction and sexual dimorphism of the semi-aquatic dipsadid snake Erythrolamprus miliaris in the state of Rio de Janeiro, southeastern Brazil. We detected sexual dimorphism in body size (snout-vent length), with females averaging larger than males, but no sexual dimorphism in the relative length of the tail. Oviducta
An. Acad. Bras. Ciênc.. Publicado em: 08/04/2019
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4. Diet, sexual dimorphism and reproduction of sympatric racers Philodryas aestiva and Philodryas patagoniensis from the coastal Brazilian Pampa
Abstract: Herein we investigated diet, sexual dimorphism and reproductive biology of two sympatric congeneric species at the coastal Brazilian Pampa, Philodryas aestiva and P. patagoniensis. Analysis of the stomach content of the scansorial Philodryas aestiva revealed that it feeds mainly on Anura and small mammals, while it occasionally consumes Insecta, Sq
An. Acad. Bras. Ciênc.. Publicado em: 08/04/2019
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5. Aspects of reproduction and sexual dimorphism of Lygophis flavifrenatus (Dipsadidae: Xenodontinae)
RESUMO Lygophis flavifrenatus Cope, 1862 é um dipsadídeo terrestre distribuído pelo Brasil subtropical, Paraguai, Uruguai e Argentina. Apresentamos aqui dados sobre dimorfismo sexual e biologia reprodutiva desta espécie muito pouca estudada. Um total de 108 espécimes (55 fêmeas, 50 machos, três filhotes com sexo não identificado) procedentes dos esta
Iheringia, Sér. Zool.. Publicado em: 28/03/2019
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6. Breeding biology of Tyrannus melancholicus (Aves: Tyrannidae) in a restinga reserve of southeastern Brazil
ABSTRACT Existing knowledge of the breeding success and life history characteristics of most Neotropical bird species is scarce. Here, we help fill this gap by analyzing aspects of the breeding biology of the Tropical Kingbird Tyrannus melancholicus (Vieillot, 1819), which is a good model for this kind of study as it is a common species occurring in various
Zoologia (Curitiba). Publicado em: 26/04/2018
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7. The breeding biology and nest success of the Short-tailed Antthrush Chamaeza campanisona (Aves: Formicariidae) in the Atlantic rainforest of northeastern Brazil
ABSTRACT We present the results of a 26-year study on the breeding biology of the Short-tailed Antthrush, Chamaeza campanisona (Lichtenstein, 1823) in an Atlantic rainforest remnant of northeastern Brazil (Alagoas/Pernambuco). We followed the fate of 38 nests, of which 19 failed, 11 succeeded and 8 had an unknown fate. The presence of most nests coincided wi
Zoologia (Curitiba). Publicado em: 26/04/2018
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8. Ecología trófica, dimorfismo sexual y parámetros reproductivos en el lagarto endémico Andino Liolaemus vallecurensis, Argentina
ABSTRACT The feeding habits, sexual dimorphism and reproductive parameters of Liolaemus vallecurensis (Pereyra, 1992) were assessed in an Andean sector of Argentina. We determined the total volume, number, and occurrence frequency of each prey item and calculated the relative importance indexes. Trophic indices (Levins) and diversity indices were applied as
Iheringia, Sér. Zool.. Publicado em: 11/12/2017
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9. Reproductive aspects of the Purple-throated Euphonia, Euphonia chlorotica (Aves: Fringillidae) in southeastern Brazil, and first record of the species nesting inside a vespiary
ABSTRACT Despite the fact that E. chlorotica (Linnaeus, 1766) is common and widely distributed in South America, the reproductive aspects of the species are poorly documented. Here we present data on 18 active nests found from August to February, between 2007 and 2012. Nests were globular with a lateral entrance, and measured 97.9 ± 14.4 mm in outside heigh
Zoologia (Curitiba). Publicado em: 23/10/2017
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10. ACTIVIDAD REPRODUCTIVA Y DIETA DE HEMIDACTYLUS FRENATUS (SAURIA: GEKKONIDAE) EN EL NORTE DE COLOMBIA
ABSTRACT Despite its success as an invasive species, little is known about the ecological aspects of the gekkonid lizard Hemidactylus frenatus in Colombia. In the present study the size at maturity, sexual dimorphism, reproductive activity, and diet composition of a population of this species in an urban locality of Northern Colombia were determined. We cond
Pap. Avulsos Zool.. Publicado em: 2017
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11. Study on friction and wear behavior of SAE 1045 steel, reinforced nylon 6.6 and NBR rubber used in clutch disks
The friction and wear properties of AISI 1045 steel, nylon 6.6 composites with different types and percentages of reinforcement and a nitrile rubber, Alpha 66, were submitted to sliding wear tests. The five types of nylon 6.6 composites tested generated matching, low values for the coefficient of friction. This may be due to the greater influence of the nylo
Mat. Res.. Publicado em: 2014-12
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12. Clutch size in populations and species of cnemidophorines (Squamata: Teiidae) on the eastern coast of Brazil
Analisamos alguns aspectos reprodutivos de 16 populações costeiras, pertencentes a cinco espécies de lagarto (A. ocellifera, A. abaetensis, A. nativo, A. littoralis e A. lacertoides) de diferentes habitats de restinga ao longo da costa leste da Brasil. Este estudo teve como objetivo avaliar em que extensão os aspectos reprodutivos variam geograficamente
An. Acad. Bras. Ciênc.. Publicado em: 2014-06