Now showing items 1-10 of 13
Study of the treatment of subbituminous coals by NaOH solutions
A subbituminous coal from La Union (Chile) has been treated with aqueous NaOH solutions. The quantity of coal solubilized and the elimination of ash was found to increase with increase in hydrolysis time, temperature and ...
SuperMALT: Physical and Chemical Properties of Massive and Dense Clumps
(Cambridge University Press, 2017)
The SuperMALT survey is observing 76 MALT90 clumps at different evolutionary stages (from pre-stellar or quiescent to HII) in high excitation molecular lines and key isotopomers using the Apex 12m telescope with an angular ...
Nonsteroidal anti-inflammatory drug determination in water samples by HPLC-DAD under isocratic conditions
Nonsteroidal anti-inflammatory drugs (NSAIDs) are a group of medications widely used by man to heal certain ailments. However, after consumption, they may be excreted in wastewaters with consequent environmental effects. ...
Analysis of Aerosol Particles and Coarse Particulate Matter Concentrations in Chillán, Chile, 2001–2003
Daily particle samples were collected in Chillán, Chile, at six urban locations from September 1, 2001, through September 30, 2003. Aerosol samples were collected using monitors equipped with a Sierra Andersen 246-b cyclone ...
Threats, challenges and opportunities for paediatric environmental health in Europe, Latin America and the Caribbean Amenazas, desafíos y oportunidades para la salud medioambiental pediátrica en Europa, América Latina y el Caribe
(Elsevier Doyma, 2019)
© 2018 Asociación Española de PediatríaIn a world that is increasingly technological and interconnected, but also more violent, overexploited and polluted, Paediatric Environmental Health (PEH) is one of the best contributions ...
Potencial en el uso de las propiedades químicas como indicadores de calidad de suelo. Una revisiónPotential for the use of chemical properties as indicators of soil quality. A review
(Universidad Pedagógica y Tecnológica de Colombia, 2019)
Colluvial deposits as a possible weathering reservoir in uplifting mountains
(European Geosciences Union, 2018)
The role of mountain uplift in the evolution of the global climate over geological times is controversial. At the heart of this debate is the capacity of rapid denudation to drive silicate weathering, which consumes CO2. ...
Actividad del aceite esencial de albahaca (Ocimum basilicum) contra Colletotrichum gloeosporioides de ñame (Dioscorea alata)Activity of essential oil of basil (Ocimum basilicum) against Colletotrichum gloeosporioides of yam (Discorea alata)
(Bogotá : Universidad de Ciencias Aplicadas y Ambientales, 2018, 2019)
Control in vivo de Moniliophthora roreri en Theobroma cacao, utilizando polisulfuro de calcio y silicosulfocálcicoIn Vivo control of the Theobroma cacao pathogen Moniliophthora roreri with calcium polysulfide and calcium polysulfide added with ash
(Universidad Pedagógica y Tecnológica de Colombia, 2018)