Buscar
Itens para a visualização no momento 1-2 of 2
Efeito da luz, temperatura e estresse hídrico no potencial fisiológico de sementes de anis, funcho e endro
(Universidade Federal de Santa Maria, 2005-04-08)
The objective of that work was to evaluate the effects of light, of temperature and of hydric stress in the germination and vitality of seeds of anise, fennel and dill. The experiment was led in two stages. In stage I, the ...
Especiação de compostos de arsênio em águas e fluidos biológicos empregando pré-tratamento fotoquímico e métodos voltamétricos
(Universidade Federal de Santa Maria, 2007-12-21)
The presence of arsenic as a contaminant in water and biological fluids has been studied in recent years due to the high toxicity of this element. In this work a method for the selective determination of arsenic species ...