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Itens para a visualização no momento 1951-1960 of 4148
Dormência e pré-germinação de sementes de arroz
(Universidade Federal de Santa Maria, 2006-03-20)
Several causes are pointed as responsible for the numbness in
seeds of rice. The fenolic compounds have influence in the swinging between
promoters and inhibitors of the germination of seeds, could represent an
obstacle ...
Educação científica no ensino médio: produção de conhecimento através da autonomia para a pesquisa
(Universidade Federal de Santa Maria, 2019-02-28)
Scientific education passes by several competencies associated mainly with the
understanding of scientific production, critical reading, autonomy for research and the
ability to make a stand concerning scientific production. ...
Ecologia comportamental de Crossodactylus schmidti Gallardo, 1961 (Anura, Hylodidae): atividade reprodutiva, comunicação acústica, visual e multimodal
(Universidade Federal de Santa Maria, 2015-02-26)
The communication process has a fundamental role in the life history of organisms, as it assumes a coevolutionary interaction between sender and receiver. The acoustic communication has a key role in the life history of ...
Usina hidrelétrica de Tucuruí: uma abordagem evolucionária dos impactos socioeconômicos, utilizando a metodologia DPSIR.
(Universidade Federal de Santa Maria, 2019-08-23)
The present study aims at an approach based on a historical review of the socioeconomic impacts of the implementation of the Tucuruí Hydroelectric Power Plant in the state of Pará, using the DPSIR (Driving Forces, Pressures, ...
Produção de quitinases e biossurfactantes fúngicos por processos fermentativos
(Universidade Federal de Santa Maria, 2017-05-29)
Brazil's agricultural growth is based on the use of large quantities of synthetic agrochemicals, which result in high production costs and environmental degradation. On the other hand, Brazil harbors the greatest biodiversity ...
Potencial de redução de temperatura do ar em aviários de frangos de corte durante extremos de calor
(Universidade Federal de Santa Maria, 2019-02-25)
Climatic conditions mean a risk that may impact the production of broilers depending on the vulnerability of facilities and birds. The efficiency of evaporative cooling systems is limited by predictable external weather ...
Caracterização da atividade pró-oxidante de diferentes agentes e estudo do potencial antioxidante de intermediários do ciclo de Krebs sobre alterações oxidativas induzidas in vitro
(Universidade Federal de Santa Maria, 2008-05-02)
Previous data from the literature have shown that some Krebs cycle intermediates could act as antioxidant in several models, both in vitro and in vivo. However, the
mechanism(s) involved in the antioxidant effect of Krebs ...
Características clínicas e microbiológicas de adultos jovens de uma amostra representativa da área rural do Sul do Brasil: estudo epidemiológico
(Universidade Federal de Santa Maria, 2017-08-10)
The present thesis is composed by two scientific articles, whose main theme refers to the
periodontal disease in young adults of a Brazilian rural area. Article 1: Periodontitis in young
adults living in the rural area ...
Caracterização populacional e molecular, e seleção de Trichoderma spp. para biocontrole de Fusarium sp. em crisãntemo
(Universidade Federal de Santa Maria, 2007-02-28)
Trichoderma spp. is one of the most researched fungi as biocontrole agent of diseases, being antagonistic to several phytopathogens in different crops. The soilborne pathogen Fusarium oxysporum causes wilt in several crops, ...
Efeito protetor da N-acetilcisteína sobre o estresse oxidativo causado pela administração crônica de aspartame em ratos
(Universidade Federal de Santa Maria, 2015-03-12)
This thesis evaluated the N-acetylcysteine effects (150 mg/kg, intraperitoneal) on the
biochemical and oxidative changes caused by the daily oral consumption of aspartame at 40
mg/kg for six weeks by rats. For this ...