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Items for "activation energy"

Evidence for the formation of lignin-hexenuronic acid-xylan complexes during modified kraft pulping processes

The finding that hexenuronic acid (HexA) groups can be selectively removed from kraft pulps by acid hydrolysis has provided an opportunity to reduce bleaching chemicals...

Keywords: acid hydrolysis, activation energy, hexenuronic acid, kinetic, kraft pulp, lignin-carbohydrate complexes, reaction order, reaction rate

03/2006 | Holzforschung, Walter de Gruyter
Processing of High Density Manganese Zinc Nanoferrites by Co-Precipitation Method

Nanoparticles of spinel ferrites MnxZn1-xFe2O4 with x = 0.0 to 1.0 were prepared by co-precipitation method...

Keywords: Nanoparticles, Direct Current Resistivity, activation energy, Porosity, X-ray diffraction

07/2007 | Zeitschrift für Physikalische Chemie, Oldenbourg Wissenschaftsverlag