Buscar
Itens para a visualização no momento 1051-1060 of 1406
A organização espacial de Mata/RS: reestruturação produtiva no seu espaço rural
(Universidade Federal de Santa Maria, 2009-09-21)
The agricultural and livestock activities have been passing through important transformations, having the understanding of the rural space constantly reviewed to
understand the territorial dynamics. It can be said that ...
Avaliação do método do balanço da camada limite para a estimativa de fluxos turbulentos noturnos
(Universidade Federal de Santa Maria, 2006-10-27)
This work is about to verify the performance of the boundary layer budgeting method as alternative for measuring the surface turbulent fluxes in conditions that allow the
validation of the measurements with data taken ...
Determinação de espécies de arsênio por LC-ICP-MS
(Universidade Federal de Santa Maria, 2006-07-28)
The development of a method for As speciation in aqueous by-product of pyrolysis process of foliate bituminous is described in the present work. Arsenic species are separated by liquid chromatography (LC) coupled to ...
Fluxos turbulentos de CO2 em uma área de arroz irrigado no RS
(Universidade Federal de Santa Maria, 2007-11-28)
This thesis quantifies the net change of CO2 (NEE) in an irrigated rice crop cultivation in
RS (Brazil). The research is part of the project CT-HIDRO, which presents as main purpose the
description of surface conditions ...
Análises temporais e espaciais do uso da terra, por meio de geotecnologias, no município de Pirapó - RS
(Universidade Federal de Santa Maria, 2006-09-18)
The objective of the research was to make temporal and spatial analysis of land use, in Pirapó-RS, through the use of geotechnologies. The methodology was basically divided into 5 steps: in the first step, diagnoses of ...
Análise da evolução espaço-temporal da produtividade de uma lavoura de soja (Glycine max (L.)Merrill). Estudo de caso
(Universidade Federal de Santa Maria, 2006-09-06)
This work consists in presenting and discussing a methodology of interpretation of the temporal evolution of the productivity of agricultural cultures, whose harvests were realized by machines equipped with income and ...
Desenvolvimento de sistemas computacionais móveis integrados a receptores GPS Bluetooth aplicáveis a gestão rural e urbana
(Universidade Federal de Santa Maria, 2007-02-09)
The advance on areas to the technology has proportionate new forms to create and to store given. Daily, the organizations accumulate given on diverse processes, e
many of these, they are worked the field in the format of ...
Comparação de dois tipos de solução no posicionamento com receptores GPS
(Universidade Federal de Santa Maria, 2006-08-25)
The basic principle of GPS use consists in the simultaneous measure of the distances between the receiver antenna and at least four satellites of the constellation. Known the distance from the satellite to the receiver ...
Líquidos iônicos: aplicação na síntese de β-dimetilaminovinil cetonas e na N-alquilação de pirazóis
(Universidade Federal de Santa Maria, 2007-02-15)
The synthesis of two 1-methyl-3-alkylimidazolium tetrafluoroborate (where alkyl = butyl, octyl; [BMIM]BF4 and [OMIM]BF4) based on room temperature ionic
liquids (RTIL) is reported. The usefulness of these ionic liquids ...
Síntese e análise estrutural de novos dihaloorganoteluratos(II) monoaniônicos.
(Universidade Federal de Santa Maria, 2006-02-17)
In this dissertation the synthesis and structural characterization of the new series of monoanionic dihaloorganyltellurates(II) compounds with a general formula (C5H6N)[mesTeX2] is presented. Dimesitylditelluride (mesTe)2 ...