Now showing items 31-40 of 201
Applications of the Rietveld method to quantify the crystalline phases of Portland cement clinker doped with nickel and chromium
(J C P D S-INT CENTRE DIFFRACTION DATA, 2008)
The effects of chromium or nickel oxide additions on the composition of Portland clinker were investigated by X-ray powder diffraction associated with pattern analysis by the Rietveld method. The co-processing of industrial ...
Subaqueous landslides at the distal basin of Lago Nahuel Huapi (Argentina): Towards a tsunami hazard evaluation in Northern Patagonian lakes
(Elsevier Science, 2016-06-07)
The May 22nd, 1960 Valdivia earthquake, Chile (Mw 9.5) triggered a series of subaqueous mass-wasting processes (debris flows and slides) in Lago Nahuel Huapi (Argentina), generating a tsunami-like wave that hit the coasts ...
Simultaneous solidification of two catalyst wastes and their effect on the early stages of cement hydration
Two catalyst wastes (RNi and RAI) from polyol production were considered as hazardous, due to their respective high concentration of nickel and aluminum contents. This article presents the study, done to avoid environmental ...
Removal of textile dyes from aqueous solution by babassu coconut epicarp (Orbignya speciosa)
(Elsevier Science SaLausanneSuíça, 2011)
Saúde do trabalhador e riscos de resíduo no ambiente hospitalar segundo a Norma Regulamentadora 32
Introduction: conditions of environment, health and safety at work has become essential for the quality of human life and the right of citizenship, representing a major challenge for governments and organizations. For the ...
Metabolisms of injustice: municipal solid-waste management and environmental equity in Barcelona’s Metropolitan Region
(Taylor & Francis, 2014)
Environmental justice studies that focus on the management of municipal solid waste (MSW) typically examine the unequal distribution of associated health and environmental risks in minority social groups and the political ...
Immobilization of ethylenesulfide on babassu coconut epicarp and mesocarp for divalent cation sorption
(Elsevier Science BvAmsterdamHolanda, 2010)
Application of hazard analysis and critical control points (HACCP) to the processing of compost used in the cultivation of button mushroom
Purpose: Guarantee the product protection and correction of errors, to improve the costs derived from quality defects and to reduce the final over control. Methods: In this paper, the Hazard Analysis and Critical Control ...
Comparison of the efficacy of biodegradable and non-biodegradable scintillation liquids on the counting of tritium- and [14C]-labeled compounds
(Associação Brasileira de Divulgação Científica, 2003-12-01)
The widespread use of ³H and 14C in research has generated a large volume of waste mixed with scintillation liquid, requiring an effective control and appropriate storage of liquid radioactive waste. In the present study, ...