Results 21 to 30 of about 56,214 (225)
Diagnóstico de la industria de transformación primaria de las maderas tropicales de México
Revista Mexicana de Ciencias Forestales, 2018 Se presenta el diagnóstico de la industria de transformación primaria de maderas tropicales del Sureste Mexicano, elaborado con el propósito de generar información que contribuya a la implementación de estrategias que impulsen el desarrollo del ...
Jose Antonio Silva Guzmán +5 more
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International Journal of Chemical Engineering, Volume 2018, Issue 1, 2018., 2018 The preparation of gels by charge interaction methods has been extensively studied, but it is not yet clear how these methods influence gel characteristics. The objective of this work was to study differences in morphology and surface charge of hydrogels prepared by ionotropic gelation, polyelectrolyte complexation, and a combination of both methods ...
Elizabeth Henao +4 more
wiley +1 more source
Revista Mexicana de Ciencias Forestales, 2018 Dada su riqueza forestal, México cuenta con numerosas especies silvestres del género Physalis (Solanaceae) que poseen potencial para su aprovechamiento, desde el punto de vista fitoquímico; además tiene importantes propiedades medicinales.
Eduardo Salcedo-Pérez +5 more
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International Journal of Analytical Chemistry, Volume 2018, Issue 1, 2018., 2018 Spirulina platensis contains several biologically active compounds, some of them with antioxidant activity. Nevertheless, not all of these compounds have been identified to date. As a first step to achieving such identification, a methodology to perform two‐dimensional thin layer chromatography bioautographies on silica gel thin layer chromatography ...
Margarita Cid-Hernández +5 more
wiley +1 more source
Revista Mexicana de Ciencias Forestales, 2017 Se evaluaron tres especies de pino: Pinus douglasiana, Pinus devoniana y Pinus oocarpa, de una parcela ubicada en el bosque La primavera, Jalisco. Después de realizar las mediciones dasométricas y establecer el balance de biomasa (madera, ramas, corteza ...
Teófilo Escoto García +6 more
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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
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
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
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