Skip to Content 1
Ir para o menu 2
Ir para a busca 3

Portal Embrapa

Language Language

português English
Entrar

Search Publications

Sort by: date | alphabetically


Experimento didático de quimiometria para calibração multivariada na determinação de paracetamol em comprimidos comerciais utilizando espectroscopia no infravermelho próximo: um tutorial, parte II. Author(s): SOUZA, A. M. de; BREITKREITZ, M. C.; FILGUEIRAS, P. R.; ROHWEDDER, J. J. R.; POPPI, R. J. The aim of this manuscript was to show the basic concepts and practical application of Partial Least Squares (PLS) as a tutorial, using the Matlab computing environment for beginners, undergraduate an... ... Repository: BDPA Publication year: 2013
Modelos empíricos para estimar o acúmulo de matéria seca de capim-marandu com variáveis agrometeorológicas. Author(s): CRUZ, P. G.; SANTOS, P. M.; PEZZOPANE, J. R. M.; OLIVEIRA, P. P. A.; ARAUJO, L. C. O objetivo deste estudo foi testar modelos empíricos de regressão linear, para a predição do acúmulo de matéria seca (TAMS) de Urochloa brizantha cv. Marandu, em função de variáveis agrometeorológicas... ... Repository: BDPA Publication year: 2011
Soil classification from visible/near-infrared diffuse reflectance spectra at multiple depths. Author(s): VASQUES, G. de M.; DEMATTE, J. A. M.; LOPEZ, L. R.; TERRA, F. da S. Abstract : Visible/near-infrared diffuse reflectance spectroscopy (VNIRS) offers an alternative to conventional analytical methods to estimate various soil attributes. However, the use of VNIRS in soi... ... Repository: BDPA Publication year: 2011
Brachiaria plantaginea as a potential (new) source of shikimic acid: quantification by NIR and PLS regression. Author(s): COSTA, M. C. A.; MATALLO, M. B.; FERREIRA, M. M. C.; QUEIROZ, S. C. do N. de; ALMEIDA, S. D. B.; FRANCO, D. A. S. Abstract: Shikimic acid is a natural organic compound produced in the biochemical pathways of eukaryotic organisms and is generally utilized as a starting material of the antiviral drug Oseltamivir (T... ... Repository: BDPA Publication year: 2016
Predicting the nutritional value of tropical forages by Near Infrared Reflectance Spectroscopy (NIRS). Author(s): CAMPOS, R. L. C. de; OLIVEIRA, R. H. M. de; MACEDO, M. C. M.; GOMES, R. da C. Abstract – The aim was to improve multivariate calibration curves for near- infrared refl ectance spectroscopy (NIRS) for the measurement and prediction of nutritive value of tropical forages. Samples... ... Repository: BDPA Publication year: 2024
Evaluation of ammonia volatilization losses by adjusted parameters of a logistic function(1). Author(s): VALE, M. L. C. do; SOUSA, R. O. de; SCIVITTARO, W. B. Repository: BDPA Publication year: 2014
Canonical correlations in elephant grass for energy purposes. Author(s): ROSSI, D. A.; MENEZES, B. R. da S.; DAHER, R. F.; GRAVINA, G. de A.; LIMA, R. S. N. de; LEDO, F. J. da S.; GOTTARDO, R. D.; CAMPOSTRINI, E.; SOUZA, C. L. M. de Elephant grass has the potential to be used as a source for energy production. Besides dry matter yield, other characteristics related to biomass quality are important. The canonic correlation analysi... ... Repository: BDPA Publication year: 2014
Cluster analysis in degraded areas by erosion in the Nazareno (MG) region. Author(s): CASSARO, R.; FERREIRA, R. R. M.; FERREIRA, V. R. M.; RODRIGUES, V. G. S. Abstract: When analyzing a database, summarize collected information is the analyst main challenge. In many cases, when you have a large number of data, it may be of interest to create groups. A clust... ... Repository: BDPA Publication year: 2021
Simulation of robust adaptive regression multi-level models for quality analysis of special coffees in cold storage. Author(s): MANOEL, I. dos S.; RESENDE, M.; SOUSA, P. H. A.; ROSA, S. D. V. F. da; CIRILLO, M. A. ABSTRACT. Numerous factors contribute to specialty coffee quality, storage and cooling conditions. We may therefore assume that sensory evaluation results can be corrupted by measurement errors, espec... ... Repository: BDPA Publication year: 2024
A non-archimedean dea model to assess group comparisons. Author(s): SOUZA, G. da S. e; GOMES, E. G. We consider the use of the non-Archimedean infinitesimal epsilon in DEA-CCR models. The application of interest is defined by the performance measure of the Brazilian Agricultural Research Corporation... ... Repository: BDPA Publication year: 2016

Showing 1 - 10 of 239 results.

Observation

Some of Embrapa's publications are published as ePub files. To read them, use or download one of the following free software options to your computer or mobile device. Android: Google Play Books; IOS: iBooks; Windows and Linux: Calibre.

Access other publications

Access the Agricultural Research Database (BDPA) to consult Embrapa's full library collection and records.
Visit Embrapa Bookstore to purchase books and other publications sold by Embrapa.