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Problemas inversos em física da atmosfera
(Universidade Federal de Santa Maria, 2005-04-08)
Techniques for estimating unknown terms - such as eddy diffusivity and counter-gradient - in atmospheric flow are presented in this study. The methos is also used to identify the source term in atmospheric pollution. The ...
População de plantas e a ocorrência de moléstias no feijoeiro comum
(Universidade Federal de Santa Maria, 2005-01-26)
Tree experiments were conducted in Santa Maria end Constantina (State of Rio Grande do Sul- Brazil), objecting to determine the best plant population of type II e III of common bean grown in the season and latter season, ...
Determinação de resíduos de agrotóxicos em água empregando microextração líquido-líquido dispersiva (DLLME) e cromatografia líquida de alta eficiência com detecção por arranjo de diodos (HPLC-DAD)
(Universidade Federal de Santa Maria, 2017-07-10)
Water is a natural resource of extreme importance, humans, animals and plants depends directly on it to survive. The state of RS stands out in national scenario as a big producer of many crops, which demand huge amounts ...
Estudo da qualidade do leite in natura recebido pela Usina Escola de Laticínios da UFSM
(Universidade Federal de Santa Maria, 2013-02-21)
Milk is one of the most important foods for human society. Its main components are water, lactose, fat, protein and minerals. It is a delicate and highly perishable product, with its physical, chemical and biological easily ...
Sistemas bidimensionais formados por silício e germânio: um estudo de primeiros princípios
(Universidade Federal de Santa Maria, 2015-07-14)
First principles calculations within the density functional theory have been used to
study the main structural, energetic, electronic, and optical properties of hydrogenated Si
and Ge in the 2D structures (silicane and ...
Transição semicondutor-metal em nanocristais de VO2 termoeletricamente ativada
(Universidade Federal de Santa Maria, 2015-05-26)
In this thesis, structural and electrical characteristics are investigated around the thermally
triggered semiconductor to metal transition in VO2 thin films. The films, the metallics
electrodes, as well as SiO2 buffer ...
Avaliação dos fluxos superficiais noturnos de escalares através do método de balanço da camada limite atmosférica
(Universidade Federal de Santa Maria, 2006-04-19)
We report on three campaigns to measure the structure of the nocturnal
boundary layer in cleared and forested areas near Santarém, PA, in 2001 and 2003.
The aim was to describe the temporal evolution of wind and thermodynamic ...
Proposta de uma nova função de autocorrelação para o estudo do meandro do vento horizontal
(Universidade Federal de Santa Maria, 2016-06-07)
In this study is propose a new mathematical expression to describe the observed meandering
autocorrelation functions in low-wind speed. The analysis utilizes a large
number of the data to show that the new proposed theoretical ...
Materiais e técnicas para nanoestruturas magnetoelétricas compósitas
(Universidade Federal de Santa Maria, 2014-12-19)
Hybrid nanostructures which integrate two or more technologically interesting physical properties are
fundamental for developing new generations of electronic devices. Exhibiting at least two coupled ferroic orders,
multiferroics ...
Estudo de primeiros princípios da estabilidade e funcionalização da superfície e nanofitas de carbeto de silício
(Universidade Federal de Santa Maria, 2014-10-24)
We use first principles calculations based upon the density functional theory to
investigate the stability, geometry, electronic and magnetic properties of cibic silicon
carbide (SiC) surfaces aligned along the (001) ...