Least Norm
Mostrando 1-12 de 21 artigos, teses e dissertações.
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1. An improved method for RNA extraction from common bean seeds and validation of reference genes for qPCR
Abstract An RNA extraction method with high integrity and purity as well as the selection of adequate reference genes are prerequisites for gene expression analysis. For common bean seeds, there is no well-defined protocol that can be used in a laboratory routine for gene expression analysis. In this study, an extraction protocol for RNA from common bean see
Crop Breed. Appl. Biotechnol.. Publicado em: 2017-06
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2. Selection of reference genes for expression analysis in the entomophthoralean fungus Pandora neoaphidis
Abstract The selection of suitable reference genes is crucial for accurate quantification of gene expression and can add to our understanding of host–pathogen interactions. To identify suitable reference genes in Pandora neoaphidis, an obligate aphid pathogenic fungus, the expression of three traditional candidate genes including 18S rRNA(18S), 28S rRNA(28
Braz. J. Microbiol.. Publicado em: 2016-03
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3. Identification of reference genes for expression analysis by real-time quantitative PCR in drought-stressed soybean.
Abstract ? The objective of this work was to validate, by quantitative PCR in real time (RT-qPCR), genes to be used as reference in studies of gene expression in soybean in drought-stressed trials. Four genes commonly used in soybean were evaluated: GmB-actin, GmGAPDH, GmLectin and GmRNAr18S. Total RNA was extracted from six samples: three from roots in a hy
Pesquisa Agropecuária Brasileira. Publicado em: 2011
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4. Estudo teórico experimental da dinâmica de temperatura no interior de uma cavidade cilíndrica. / EXPERIMENTAL THEORETICAL STUDY OF DYNAMIC TEMPERATURE AT A CYLINDRICAL
Two methods for solving a direct heat diffusion problem inside a cylindrical enclosure are proposed, each one is applied with a linear and plus a non-linear solution. Besides, a experimental apparatus was developed for theoretical models validation purpose. Furthermore, as an application of the proposed system the inverse analysis (inverse problem) is used t
Publicado em: 2010
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5. Desenvolvimento e avaliação de uma proposta metodológica de implantação da lanchonete escolar saudável
Introduction: School commercial cafeterias have an important role for the promotion of healthy eating habits in the school environment. Despite that, a number of researches have shown that cafeterias have contributed in a not much expressive way for the promotion of healthy eating habits in schools. In that sense, and considering the concern of public admini
Publicado em: 2010
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6. Proposta de Complementação do Método de Avaliação da Exposição Ocupacional ao Calor: estudo de caso da atividade de manutenção de linhas energizadas
This thesis had the objective of proposing a complementation, with proactive character, to method and procedures of evaluation concerning occupational exposure to heat predicted in the norms NR-15/1978 and NHO 06/2002, respectively. The electricians of the maintenance team of energized lines at potential, in tension of 69 kV, from Companhia Energética de Al
Publicado em: 2009
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7. An iterative method for solving a kind of constrained linear matrix equations system
In this paper, an iterative method is constructed to solve the following constrained linear matrix equations system: [A1(X),A2(X),... ,Ar(X)]=[E1,E2, ... ,Er ], X ∈ I={X |X= U(X)}, where Ai is a linear operator from Cmxn onto Cpixqi, Ei ∈ Cpixqi, i=1 , 2,..., r , and U is a linear self-conjugate involution operator. When the above constrained matrix equa
Computational & Applied Mathematics. Publicado em: 2009
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8. Filtros de Kalman robustos para sistemas dinâmicos singulares em tempo discreto / Robust Kalman filters for discrete-time singular systems
This thesis considers the optimal robust estimates problem for discrete-time singular dymanic systems. New recursive algorithms are developed for the Kalman filtered and predicted estimated recursions with the corresponding Riccati equations. The singular robust Kalman type filter and the corresponding recursive Riccati equation arer obtained in their most g
Publicado em: 2009
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9. The influence of temperature of three adhesive systems on bonding to ground enamel / Influencia da temperatura de tres sistemas adesivos na resistencia de união e na interação com esmalte bovino abrasionado
This study evaluated the influence of adhesive temperature on microtensile (µT) bond strength of a total-etch adhesive, Primer&Bond NT (PBNT) and two self-etching adhesives, Clearfil SE Bond (SEB) and Adper Prompt L-Pop (PLP). Additionally, the etch patterns (EP) and resin-enamel interface were analyzed. Sixty-three bovine incisors were randomly divided int
Publicado em: 2009
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10. Rede perceptron com camadas paralelas (PLP - Parallel Layer Perceptron)
This work presents a novel approach to deal with the structural risk minimization (SRM) applied to a general machine learning problem. The formulation is based on the fundamental concept that supervised learning is a bi-objective optimization problem in which two conflicting objectives should be minimized. The objectives are related to the training error, em
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 18/12/2006
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11. Determination of crude protein and amino acids in soybean mealby Near Infrared Spectroscopy / Determinação de proteina bruta e aminoacidos em farelo de soja por espectroscopia no infravermelho proximo
In this work it was determined the amount of crude protein and amino acids in soybean meal by using near infrared spectroscopy and multivariate calibration base on partial least squares method (PLS). It was used 150 samples from different brazilian regions divided in several suppliers as Bunge, Caramuru, Cargill, Ceval and ADM that insure a good distribution
Publicado em: 2005
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12. O pensamento semiótico e as três matrizes da linguagem jurídica
The current dissertation consists in focusing the Law as language, discovering its three basic matrixes: the visual matrix (fac/value/norm), the sound matrix (syntax/semantics/pragmatics)and the verbal matrix (juridical discourse: normative discourse/decisive discourse/scientific discourse). This exercise realized through Semiotics (study of signification sy
Publicado em: 2002