Search Results - "coal"
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Seroprevalence of T. Cruzi infection in blood donors and chagas cardiomyopathy in patients from the coal mining region of coahuila, Mexico
Published 2014“…The objective of this study was to determine the seroprevalence of T. cruzi infection in blood donors and Chagas cardiomyopathy in patients from the coal mining region of Coahuila, Mexico. Design and Setting: Epidemiological, exploratory and prospective study in a general hospital during the period January to June 2011. …”
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Cation xanthated exchangers from colombian sub-bituminous coals effectively removed cadmium and lead from aqueous solutions
Published 2011“…In Colombia, low rank coals are almost totally used for power and matallurgical aims, which are activities that produce contamination. …”
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Cation Xanthated Exchangers from Colombian Sub Bituminous Coals Effectively Removed Cadmium and Lead fromAqueous Solutions.
Published 2011“…In Colombia, low rank coals are almost totally used for power and metallurgical aims, which are activities that produce contamination. …”
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Cation Xanthated Exchangers from Colombian Sub-Bituminous Coals Effectively Removed Cadmium and Lead from Aqueous Solutions
Published 2011Subjects: “…subbituminous coal…”
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Estudio de las relaciones de compatibilidad en estado sólido del diagrama de equilibrio de fases CaO-Al2O3-CoO
Published 2009“…Se delimitaron tres pequeñas regiones de soluciones sólidas alrededor de CaO, CoO y CoAl2O4. Se observó también la formación de fases con diversos colores en función de la zona del diagrama. …”
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Effect of milling time on mechanical properties of fly ash incorporated cement mortars
Published 2013“…Currently, thermal energy generation through coal combustion produces ash particles which cause serious environmental problems and which are known as Fly Ash (FA). …”
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Deficiencia del control estatal sobre la utilización de regalías e implicaciones directas de la explotación sobre las poblaciones vecinas: Caso Uribia, La Guajira. Deficiency of...
Published 2018“…After analyzing the data it was found that the municipality of Uribia and the department of La Guajira and the social indicators reflect a dramatic situation that reflects the poverty levels in this population are contradictorily rich territories in mineral resources and in which it is carried out the largest open-pit coal in South America. It is concluded that problems such as corruption afflict the efficient distribution of wealth generated by one of the largest multinationals in our territory El Cerrejón. …”
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Growth and yield of an eucalyptus subtropical plantation in a Northeastern Mexico degraded land soil
Published 2017“…Abstract Over the past three decades, woody species potentially useful for reforestation, fuelwood, coal and timber production have been over-exploited along the Gulf of Mexico, which has led to a gradual decline in the plant population and the progressive degradation of the environment. …”
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Aislamiento y selección de cepas mutantes de Hirsutella citriformis inducidas por el agente químico: metanosulfonato de etilo (EMS).
Published 2017“…On the other hand, 6 liquid media with different concentrations of coal and different proportions of Coal-Nitrogen were evaluated using low-cost nitrogen sources to obtain a high biomass production and to formulate dry formulations using different clays as support. …”
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Aislamiento y selección de cepas mutantes de Hirsutella citriformis inducidas por el agente químico: metanosulfonato de etilo (EMS).
Published 2017“…On the other hand, 6 liquid media with different concentrations of coal and different proportions of Coal-Nitrogen were evaluated using low-cost nitrogen sources to obtain a high biomass production and to formulate dry formulations using different clays as support. …”
Get full text
Tesis