Showing papers by "Universidade Federal de Santa Maria published in 1985"
TL;DR: Hertwig's epithelial cells maintain their capacity to synthesize laminin and type-IV collagen, as well as to express keratin filaments, despite basement membrane fragmentation and the disorganization of Hertwig’s epithelial sheath.
58 citations
TL;DR: In this paper, an algorithm for determination of critical energy for analysis of power systems transient stability is presented, being des cribed by an electrical network with constant impedances and with generators represented through the classical model, aiming to obtain critical fault clearing times for short circuits eliminated through transmission line disconnection.
15 citations
10 Dec 1985
TL;DR: In this article, the phytosociological structure of a park's natural vegetation located in the south-west of Rio Grande do Sul State, in a Quarai Chico River neighbouring area, and under ciliary forest influence, was studied.
Abstract: The phytosociological structure of a park's natural vegetation located in the south-west of Rio Grande do Sul State, in a Quarai Chico River neighbouring area, and under ciliary forest influence, was studied. The vegetation is characterized by the existence of Aspidosperma quebracho-blanco Schlecht. (quebracho) and Parkineonia aculeata L. (cina-cina), as well as by the presence of numerous species of ciliary forest, associated with the three typical species of the Inhanduva Park. Since this is a rare association in Brazil and because it constitutes a very fragile ecosystem, we suggest its preservation.
6 citations
10 Dec 1985
TL;DR: In this article, a total of 1345 fishes pertaining to thirty nine genera and fifty three species were examined and identified from seasonal collections from august 1984 to may 1985 in the Santa Maria River.
Abstract: The ichthyologic fauna of the Santa Maria River was studied through seasonal collections from august 1984 to may 1985. Considerations were made about the systematics, ocurrence and abundance of the collected species. A total of 1345 fishes pertaining to thirty nine genera and fifty three species were examined and identified.
4 citations
10 Dec 1985
TL;DR: In this article, the macroscopic and microscopic characteristics of the secondary xylem of Mimosa cruenta benth are described based on Wood Taxonomy, characteristics that permit the inclusion of the species in the Stipellares Benth.
Abstract: The general, macroscopic and microscopic anatomical characteristics of the secondary xylem of Mimosa cruenta Benth. are described. Quantitative and stereological data, as well as photomicrographs of the wood, are also furnished. The anatomical structure is analysed based on Wood Taxonomy, characteristics that permit the inclusion of the species in the Stipellares Benth. Series of the Mimosa L. genus being recognized.
4 citations
31 Dec 1985
TL;DR: Anatomia comparada de tres especies de Mirinaba Morretes, 1952 (Gastropoda, Strophocheilidae) do Estado do Parana, Brazil.
Abstract: Anatomia comparada de tres especies de Mirinaba Morretes, 1952 (Gastropoda, Strophocheilidae) do Estado do Parana, Brasil
2 citations
10 Dec 1985
TL;DR: In this article, a De Pangher Long Counter used as a secondary standard for calibration of neutron moderador detectors was calibrated, and the scattering effects were experimentally determined using the shadow cone method and reproducibility tests were also donne.
Abstract: In this work a De Pangher Long Counter used as a secondary standard for calibration of neutron moderador detectors was calibrated. A 5 Ci Am-Be standard source calibrated for neutron emission rate by the manganese sulfate bath method was used as a primary standard. Due to the cylindrical shape of the standard source an anisotropy factor was determined. The scattering effects were experimentally determined using the shadow cone method and reproducibility tests were also donne.
2 citations
10 Dec 1985
TL;DR: The data sugest that this species have a regulation of populacional size by a interection between temperature and humidity and a small coconut show to be a suitable substrate to nurture and also to ovoposition.
Abstract: Forty six samples of natural populations of D. willistoni from three places of Rio Grande do Sul state were studied between december 1978 and july 1981. The data sugest that this species have a regulation of populacional size by a interection between temperature and humidity. A small coconut (Arecastrum romanzoffianum) show to be a suitable substrate to nurture·and also to ovoposition. Among the places studied, at the Parque Florestal Estadual do Turvo it was possible to observe a fit population of D. willistoni in majority of gathering periods, probabily because the ecological and climatic conditions were move benefic at this place than at the two others.
2 citations
DOI•
15 Jul 1985TL;DR: In this paper, consideracoes sobre a Pe dagogia do Esporte nao podem ser encaradas como neutras em relacao a valores, mesmo tratando-se da confeccao de um catalogo de fatos.
Abstract: Estas reflexoes pedagogicas sobre curriculo pretendem oferecer ao professor de Educacao Fisica subsidios para a tomada de decisao de como devem ser realizadas as suas aulas. Deve-se, no entanto, ter em mente que consideracoes sobre a Pe dagogia do Esporte nao podem ser encaradas como neutras em relacao a valores, mesmo tratando-se da confeccao de um catalogo de fatos . No momento em que alguns pontos sao considerados como fundamentais, estes ao mesmo tempo, informam o que eles - consciente ou inconscientemente - nao levam em consideracao. Assim deve ser discutido , por exemplo, o que significa Esporte do ponto de vista pedagogico , que ele e uma parte da realidade social, que esta se desenvolve e se modifica, que nao existe o esporte, mas sim uma grande variedade de diferentes atividades desportivas que aparecem de diferentes for mas e que sao realizadas com diferentes intencoes. A Pedagogia do Esporte encara o esporte sob o ponto de vista da Educacao e do desenvolvimento adequado de criancas, adolescen tes e adultos. Seu interesse, sobretudo, e o de contribuir atraves do esporte para a Educacao.
1 citations
10 Dec 1985
TL;DR: According to the data obtained, C. rotundifolia, herbaceous, and P. algarobilla, weady, the other species are perennials altough C. patellaria may behave as annual in some cases.
Abstract: This work aimed at gathering information about native Caesalpinioideae and Mimosoideae species with foraging value. Nirle species were classified as, Caesalpinia epunctata (Vog.) Benth., Cassia pa tellaria DC., Cassia pilifera Vogh., Cassis repens Vog., Cassis rotundifolia Pers., Desmanthus depressus Humb. & Bonpl. ex Willd., Mimosa dutrae Malme., Mimosa flagellaris Benth., Prosopis Algarobila Griseb. Except C. rotundifolia, herbaceous, and P. algarobilla, weady, the other species are perennials altough C. patellaria may behave as annual in some cases. According to the data obtained, the species present summer growth and are generally found in dry fields. Regarding the potential forage value; Caesalpinia epunctata, Cassia repens, Desmanthus depressus and Mimosa flagellaris are considered as regular forages while Cassia pilifera a nd Cassia pa tellaria are poor forages. Cassia rotundifolia presents a soft forage well accepted by catlle in several regions of the country but not in the South where even cultivation trials failed. P rosopis algarobilla, altough restricted to a small area of the State, seems to be a species with good potential as a forage.
1 citations
10 Dec 1985
TL;DR: In this paper, the authors quantitatively determined the tannin in barks of Acacia mearnsii, Wild from the roots up to the top of the trunk in its commercial height.
Abstract: The determinations of tannin in bark samples was realizated to determine the best use for the tree barks. The present investigation has quantitatively determinated the tannin in barks of Acacia mearnsii, Wild. from the roots up to the top of the trunk in its the commercial height. The time of autoclave for the best extraction was determined too.
10 Dec 1985
TL;DR: The general, macroscopic and microscopic wood characteristics of Guarea lessoniana A. Juss.
Abstract: The general, macroscopic and microscopic wood characteristics of Guarea lessoniana A. Juss. (Meliaceae) area described. Quatitative and stereological data from the anatomical structure are also furnished. The anatomical description shows great coincidence with literature remarks on genus Guarea. It was also found a good structural similarity with Guarea pohlii C. DC. and Guarea spiciflora A.Juss., two species from the Argentine region.
01 Jan 1985
TL;DR: A geografia humana, entretanto, is considered to be a geografa física geográfica humana as discussed by the authors, i.e., a geógrafa fisica fícia humana is defined as a fíga fígia fícica geógrafa humana.
Abstract: O presente artigo abordará alguns aspectos da estutura interna das cidades, nos quais os contatos entre os fatos geográficos e os fatos sociológicos são por vezes indiferenciáveis, Por este motivo, é conveniente anteceder tal estudo pela apreciação de algumas considerações sobre esses pontos de contato, mais do que sobre suas interfaces. Discussões sobre a natureza da ciência geográfica periodicamente retornam à pauta. É ciência da Terra ou é ciência do Homem? Ela tem por objeto a organização do espaço, ou o estudo da sociedade que o organiza? Sem entrar no .mérito da questão, tais perguntas não encontraram uma uniformidade de respostas nem mesmo na alocação da geografia na estrutura universitária brasileira: ora está vinculada à área das ciências da natureza, ora à das ciências sociais, quando não à de letras e humanidades. Na verçlade, nem os geógrafos são unânimes ao dizer onde devem estar ... Em parte tal insegurança (ou, pelo contrário, dever-se-ia falar em convicção arraigada?) relaciona-se à sempre lembrada diferenciação (dicotomia?) geografia física geografia humana. A primeira está indubitavelmente ligada, pelo seu campo de análises, às ciências da natureza, mais rigorosamente às Ciências da Terra. A geografia humana, entretanto, tem por objeto o quê: a paisagem modificada pela Humanidade? ou a sociedade, considerada como o elemento motor das modificações constantes e. irreversíveis do espaço? No primeiro caso, a geografia é uma Ciência da Terra; no segundo, é uma Ciência Social. Ao considerar-se a geografia uma Ciência da Terra, o homem é agente modelador do espaço; enquanto Ciência Social, o espaço é agente interveniente nas ações e interações humanas. Em particular no caso de considerar-se cientista social, o geógrafo deverá ter conscientes as ínterligações e as interfaces de sua ciência com as demais