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Mostrando ítems 41-50 de 1192
A relaxação Lagrangeana/surrogate e o método de geração de colunas: novos limitantes e novas colunas
(Sociedade Brasileira de Pesquisa Operacional, 2003-01)
Column generation and Dantzig-Wolfe decomposition are very successful methods for large-scale linear programming problems. It is also well known the instability of the overall process. Stabilizing methods work constraining ...
Immobilized polysiloxanes as stationary phases for high-performance liquid chromatography and solid phase extraction
(Elsevier Science BvAmsterdamHolanda, 2004)
POSSIBILITIES AND LIMITATIONS OF USING TEMPERATURE IN REVERSED PHASE LIQUID CHROMATOGRAPHY.
(Soc Brasileira QuimicaSao PauloBrasil, 2010)
Estudo da estabilidade de pilares de madeira de seção composta submetidos à flexocompressão
(Universidade Tecnológica Federal do ParanáCuritibaBrasilGraduação em Engenharia CivilUTFPR, 2016-06-22)
This paper is a study of composed wooden columns subject to flexocompression to obtain its actual slenderness. The proposed methodology comprises a numerical and experimental research, based on the procedures referenced ...
Gamma radiation effects on polydimethylsilane stationary phases for use in packed-column gas chromatographic analyses
(Sociedade Brasileira de Química, 1999)
Induced moments and lateral deflections in columns with initial imperfections and semirigid connections:
(Universidad Nacional de Colombia Sede Medellín, 2012)
Closed-form expressions that can be used to evaluate the induced elastic bending moments and second-order deflections in slender prismatic columns with initial geometric imperfections (i.e., initial curvature and ...
Rigidez mínima de arriostramiento en sistemas de multi-columnas: teoría /Minimum bracing stiffness for multi-column systems: theory
(Universidad Nacional de Colombia Sede Medellín. Facultad de Minas, 2011-08)
Se propone un método que determina la rigidez mínima de arrostramiento requeridos por un sistema elástico de varias columnas para lograr condiciones de pandeo sin deriva entre pisos. Las ecuaciones que evalúan la rigidez ...
The vertebral column of the hourglass dolphin (Lagenorhynchus cruciger, Quoy and Gaimard, 1824), with notes on its functional properties in relation to its habitat
(European Association for Aquatic Mammals, 2016-04)
Fast-swimming dolphins have a relatively stable morphological configuration, explained partially by their vertebral morphology. The hourglass dolphin (Lagenorhynchus cruciger), an oceanic species, is one of the least known ...