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Mostrando ítems 11-20 de 109
Estudo de aproveitamento econômico das lamas de uma mineração de ferro, através de concentração por flotação catiônica reversa
(Universidade Federal de Minas GeraisUFMG, 2008-02-22)
High grade deposits were mined in the early stages of the activity. No attention was paid to maximizing the use of the deposits. Even nowadays, millions of tons of useful minerals are disposed every year into tailings ...
Alcohol induced ultra-fine dispersion of Pt on tuned morphologies of CeO2 for CO oxidation
(Elsevier Science, 2013-02)
Controlling the structures of supports and supported phases is important for catalytic applications where synergic effects can play a main role. In this context, we present versatile methods for suitable microstructurization ...
Cancer Burden Disease Attributable to PM2.5 and Health Risk by PM2.5-bound Toxic Species in Two Urban Chilean MunicipalitiesCarga de cáncer por enfermedad atribuible a PM2.5 y riesgo a la salud por especies tóxicas ligadas a PM2.5 en dos municipios urbanos de Chile
(TAIWAN ASSOC AEROSOL RES-TAAR, 2023)
Atmospheric particulate pollution in South American megacities
(National Research Council Canada-NRC Research Press, 2021-04-15)
Air pollution is one of the major problems caused by urban growth, and both industrial and automobile emissions have been the main causes of air quality deterioration in cities since the beginning of the 20th century. ...
Obtenção e sinterização de nanopartículas de ZrO2-4,5%Y2O3Synthesis and sintering of ZrO2 - 4,5%Y2O3 nanoparticles
(UNIVERSIDADE ESTADUAL DE PONTA GROSSABRDesenvolvimento e Caracterização de MateriaisPrograma de Pós-Graduação em Engenharia e Ciências de MateriaisUEPG, 2017)
Metal-enriched nanoparticles and black carbon: A perspective from the Brazil railway system air pollution
(Corporación Universidad de la Costa, 2021)
Effect of gas and kerosene space heaters on indoor air quality: A study in homes of Santiago, Chile
(Taylor and Francis Inc., 2010)
The impact of outdoor and indoor pollution sources on indoor air quality in Santiago, Chile was investigated. Toward this end, 16 homes were sampled in four sessions. Each session included an outdoor site and four homes ...