This work reviews the literature on the state, and history of political science in Mexico that has been published until 2009. It highlines that there has been an important growing of the quantity of authors and institutions, as a significant diversification of topics and methods. Since the ends of nineties...
Water pollution is a serious problem affecting Mexico and the world. This contamination is given by high concentrations of carbon, nitrogen and sulfur compounds, among others. Sewage can come from industries or households. This water is dropped in receiving aquifers without being treated, causing eutrophication pollution phenomena as well as...
En el presente trabajo se evaluó y caracterizó, en cultivo en lote, el proceso respiratorio de nitrificación en presencia de diferentes concentraciones de 2- clorofenol (2-CP) (10, 5 y 2.5 mg C-2-CP/l). Se utilizó como inóculo un consorcio fisiológicamente estable que no tuvo contacto previo con dicho compuesto. Posteriormente, con...
