Results 41 to 50 of about 11,983 (211)
NIRS Characterization of Paper Pulps to Predict Kappa Number
Journal of Spectroscopy, Volume 2015, Issue 1, 2015., 2015 Rice is one of the most abundant food crops in the world and its straw stands as an important source of fibres both from an economic and an environmental point of view. Pulp characterization is of special relevance in works involving alternative raw materials, since pulp properties are closely linked to the quality of the final product.
Ana Moral +4 more
wiley +1 more source
Forestación - Celulosa - Papel: Desafío para nuestra generación [PDF]
, 1975 Universidad Nacional de La ...
Losada, Orlando
openaire +2 more sources
Botanical Sciences, 2021 Antecedentes: El uso de vegetación es una práctica recurrente para la fijación de suelo y dependerá de las características del sistema radical. Preguntas e hipótesis: La composición química de las raíces es diferentes entre especies e influenciada ...
Brenda Fernández-Villarreal +3 more
doaj +1 more source
Cationization of Alpha‐Cellulose to Develop New Sustainable Products
International Journal of Polymer Science, Volume 2015, Issue 1, 2015., 2015 Papermaking has been using high quantities of retention agents, mainly cationic substances and organic compounds such as polyamines. The addition of these agents is related to economic and environmental issues, increasing contamination of the effluents.
Ana Moral +4 more
wiley +1 more source
International Journal of Polymer Science, Volume 2015, Issue 1, 2015., 2015 The effect of carbon source, carbon to nitrogen (C/N) ratio, and limitation in nutrients (N, P, K, Ca, Mg, and Fe) on extracellular polymeric substances (EPS) synthesis by the marine bacterium Saccharophagus degradans was studied. This strain was able to grow in mineral medium and produce EPS with different efficiency according to the C source used (g ...
Yolanda González-García +6 more
wiley +1 more source
, 2018 El género Eucalyptus es una importante fuente de fibra para fabricación de papel en el mundo. El interés que se tiene en la madera de Eucalyptus es principalmente por las características y propiedades como fuente de celulosa para fabricación de papeles y
Vásquez Palacios, Matías Gonzalo
core +3 more sources
BioResources, 2017 The results from Voith Sulzer refining, porosity, and morphology studies of bleached Pinus radiata fibers showed the main effects described for hornification in dried pulps compared with never-dried pulps. Dried pulps showed higher deformations, measured
Dante Giacomozzi, Olli Joutsimo
doaj +1 more source
The Canadian Journal of Chemical Engineering, EarlyView.Timeline of key academic milestones and individuals that shaped chemical engineering at FQ‐UNAM and in Mexico. Abstract One hundred years after the beginning of the teaching of Chemical Engineering in Mexico, which started in 1925 in the former National School of Chemical Sciences, currently Faculty of Chemistry (FQ) at National Autonomous University ...
Patricia Pérez‐Salinas +2 more
wiley +1 more source
SÍNTESIS Y CARACTERIZACIÓN DE CELULOSA AMORFA A PARTIR DE TRIACETATO DE CELULOS
Revista de la Sociedad Química del Perú, 2014 Se realizó un estudio para la obtención y caracterización de celulosa amorfa a partir de triacetato de celulosa. Para caracterizar el material obtenido, se determinó el grado de cristalinidad mediante la difractometría de rayos X, además de la espectroscopía de infrarrojo FTIR.
Vega-Baudrit, José +3 more
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Macromolecular Symposia, Volume 414, Issue 6, December 2025.ABSTRACT The investigation of DNA's dynamic and flow properties in solution is crucial for understanding its biological roles. DNA double helix strands interact and, at high concentrations, they form liquid crystalline phases, which are influenced by molecular weight and ionic strength. At rest, Small Angle X‐ray Scattering (SAXS) shows that DNA double
Scarlett Elizabeth López Álvarez +7 more
wiley +1 more source