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Mostrando ítems 11761-11770 de 26126
Possible role of bovine trophoblast giant cells in transplacental transmission of Neospora caninum in cattle.
(2007-01-01)
Neospora caninum is an aplicomplexan parasite that has brought several concerns to cattle raisers worldwide due to its relationship to fetal loss. However, the mechanism of the parasite's transplacental infection and induced ...
Spermatogenesis and nucleolar activity in Triatoma klugi (Triatomine, Heteroptera)
(2008-01-01)
Triatoma klugi is a Chagas disease vector in the Rio Grande do Sul State. Triatominae chromosomes are holocentric and sex chromosomes segregation is post-reductional. In this paper we describe the karyotype of male T. klugl ...
Genetic variability of two populations of Pseudoplatystoma reticulatum from the Upper Paraguay River Basin
(2009-12-01)
Catfishes of the genus Pseudoplatystoma are very important species due to both their high commercial value and their ecological role as voracious predators. They undertake lengthy migratory movements during their life-cycle, ...
Avanços na Fruticultura Tropical no Brasil
(2011-10-01)
The main aspects that defined the evolution of technical crops of pineapple, papaya and passion fruit in Brazil have been discussed. In pineapple, it has been observed an innovative commercialization system of the Smooth ...
Mathematical expression of the bit error ratio in terms of the SNR and laser linewidths in digital coherent optical communication systems
(2021-01-01)
The development of high speed digital signal processors has enabled the migration from previous direct detection systems to digital coherent optical communication systems. The adoption of this technology in optical ...
Elcity: um modelo elástico e multinível de economia de energia para cidades inteligentes
(Universidade do Vale do Rio dos Sinos, 2016-08-26)
As a result of rural and suburban migration to the cities, urban life has become a significant challenge for citizens and, particularly, for city administrators who must manage the sustainable use of resources such as ...
As casas subterrâneas e sua paisagem: cartografando o ambiente
(Universidade do Vale do Rio dos Sinos, 2013-11-03)
Linguistic and ethnographic studies report that Southern Jê, whose origin dates back to the central Brazilian plateau, have started their migration towards the southern highlands of Brazil by approximately 3.000 years ago. ...
Variação sazonal e a influência da estrutura da paisagem na ocorrência de Charadriidae e Scolopacidae no litoral do Rio Grande do Sul
(Universidade do Vale do Rio do Sinos, 2010-02-25)
The coast of Rio Grande do Sul State, Brazil, includes a remarkable number of habitats used by many Nearctic shorebirds species during the non-breeding season in the
austral summer months. During two years we evaluated ...
Sufrimiento social y migraciones de retorno: una propuesta conceptual
(Universidad del Pacífico. Fondo Editorial, 2019-01)
This article highlights how social suffering, conceived of as a manifestation of social oppression and injustice incorporated into the individual, has attributes that are evident in the different stages of the migratory ...
De la marginalidad rural a la marginalidad urbana
(Universidad del Pacífico. Centro de Investigación, 1977-01)
Pocos son los países del tercer mundo en los que no se da un proceso migratorio. La razón es la evidente dependencia de la vida rural con respecto a la vida urbana, la cual reproduce parte de los modelos conductuales (a ...