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Gerenciamento dinâmico de memória em aplicações com reuso de dados no Apache Spark
(Universidade Federal de Santa Maria, 2020-05-25)
The Apache Spark is a framework able to process a massive quantity of data in-memory,
through its primary abstraction: Resilient Distributed Datasets (RDD). An RDD consists of
an immutable object collection, which can ...
Condição de existência de um triângulo: uma abordagem via fluxogramas
(Universidade Federal de Santa Maria, 2020-02-27)
In this work we present a didactic sequence that deals with the theme: condition of the existence of a triangle, focusing on flowcharts. To this end, a research on the topic was carried out in the Catalog of Theses and ...
Síntese e reatividade de N-alquinilindóis: preparação de N-alquinilindóis-2-substituídos e calcogenazolo[3,2-a]indóis
(Universidade Federal de Santa Maria, 2020-02-21)
This work reports the preparation of 2-Substituted-N-alkynylindoles 3 (18 examples) with yields that varied from 30 to 90%, via the metalation reaction of N-alkynylindoles 1 followed by the capture of 2-indolyl lithium ...
Determinação de cloro, enxofre, cobalto, níquel e vanádio em petróleos após combustão iniciada por micro-ondas em frascos descartáveis
(Universidade Federal de Santa Maria, 2020-11-26)
In this work, sample preparation methods based on microwave-induced combustion in disposable vessel (MIC-DV) for the determination of Cl, S by ICP OES, Co, Ni and V by ICP-MS in petroleum were developed. The main operational ...
Síntese de 1,2,3-triazóis-1,4-dissubstituídos contendo organocalcogênios derivados de 4-(azidometil)-2-fenil-1,3-calcogenazóis via reação de cicloadição 1,3-dipolar
(Universidade Federal de Santa Maria, 2020-10-20)
In this present work, an unprecedented series of 4-((4-((arylchalcogen)methyl)-1H-1,2,3-triazol-1-yl)
methyl)-2-phenylchalcogenazole 20 and 21 was synthesized with interest in the potential biological,
because to the ...
Bis(alquilaril, aril)piridina-2,6-dicarboxiamidas: estrutura molecular, supramolecular e polimorfismo
(Universidade Federal de Santa Maria, 2020-03-02)
This work presents the study of intermolecular interactions and the molecular association process of bis (alkylaryl, aryl) pyridine-2,6-dicarboxamides, where the alkylaryl substitutes are (1) 2,2-diphenylethyl, (2) phenylethyl ...
Síntese, caracterização e avaliação da atividade antimicobacteriana de compostos de coordenação derivados do disseleneto de 2,2’-bis(3-aminopiridina)
(Universidade Federal de Santa Maria, 2020-02-28)
This work describes the synthesis and characterization of seven new
coordination compounds derived from 2,2'-bis-(3-aminopyridine) diselenide
interacting with metal ions of diferent degree of hardness. Among the ...
Determinação de resíduos de glifosato e ácido aminometilfosfônico em água empregando derivatização com FMOC-Cl e LC-MS/MS
(Universidade Federal de Santa Maria, 2020-02-21)
A simple and easy method based on the derivatization for determinação of glyphosate and aminomethylphosphonic acid (AMPA) in water and subsequent determination by liquid chromatography coupled with mass spectrometry in ...
Síntese, caracterização e agregação de líquidos iônicos mono- e dicatiônicos derivados de aminoácidos
(Universidade Federal de Santa Maria, 2020-02-20)
This study presents the synthesis and characterization of mono and dicationic ionic liquids (ILs), with anions derived from amino acids (Arginine, Glycine, Lysine and Serine). The influence of the molecular structure of ...
Determinação multirresíduo de agrotóxicos em água empregando SPE e UHPLC-MS/MS
(Universidade Federal de Santa Maria, 2020-03-02)
The presence of organic pollutants in water resources is a major concern. The most commonly reported of these pollutants are generated by domestic, agricultural and industrial activities. Organic pollutants produce a wide ...