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Impregnação de cério em alumina ativada para a desfluoretação de águas
(Universidade Federal de Santa Maria, 2021-06-29)
Fluoride ion (F-
) is commonly found in groundwater used for water supply and presents health
risks when consumed in excess. Several treatments are studied for water defluoridation,
adsorption being one of the most used ...
Mobilização e transferência de agrotóxicos em uma lavoura de soja na bacia hidrográfica do arroio Guarda-Mor
(Universidade Federal de Santa Maria, 2021-03-12)
The expansion of agricultural cultivation areas in Brazilian territory, coupled with the
increase in the level of mechanization, the intensive use of fertilizers and pesticides
and the adoption of inappropriate practices ...
Caracterização do comportamento de falhas nas séries de precipitação do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2021-03-11)
The automatic weather stations provide hourly information over pluviometric
precipitation, and it is recurrent the occurrence of missing data in these data series. This
situation compromise the data analysis, since it ...
Contaminação ambiental por efluentes e micropoluentes: efeitos toxicológicos sobre peixes da espécie Cyprinus carpio
(Universidade Federal de Santa Maria, 2021-12-17)
The absence of treatment or the ineffective treatment of effluents is one of the biggest sanitary
problems in Brazil, since several potentially dangerous substances can be transported through
them, being constantly ...
Uso de vermicomposto com diferentes tempos de maturação e micorrização na fitorremediação de cobre por Canavalia ensiformis em solo arenoso de vinhedo
(Universidade Federal de Santa Maria, 2021-11-19)
The addition of vermicompost and the mycorrhization of plants can significantly increase the efficiency of
phytoremediation in sandy soils of vineyards contaminated by copper (Cu). Vermicomposting time alters
chemical, ...
Produção de bio-hidrogênio a partir da casca de arroz via processo de fermentação escura
(Universidade Federal de Santa Maria, 2021-08-30)
In the contemporary world, the growing global demand for energy, the reduction of non-renewable energy resources and the concern with the quality of the environment are noticeable. It is well known that the demand for ...