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Eficiência de extração de cobre e níquel utilizando sistemas microemulsionados bifásicos e trifásicos
(Universidade Federal do Rio Grande do NorteBRUFRNPrograma de Pós-Graduação em QuímicaFísico-Química; Química, 2014-01-23)
The environmental impact due to the improper disposal of metal-bearing industrial
effluents imposes the need of wastewater treatment, since heavy metals are nonbiodegradable
and hazardous substances that may cause ...
Efecto de la fase oleica en el comportamiento de ácidos carboxílicos grasos en sistemas aceite/agua
(Facultad Experimental de Ciencias de la Universidad del Zulia, 2011)
Modifications and Alternatives to the Tests of Levene and Brown & Forsythe for Equality of Variances and Means
(UNIV NAC COLOMBIA, DEPT ESTADISTICA, 2008)
The usual tests to compare variances and means (e. g. Bartlett`s test and F-test) assume that the sample comes from a normal distribution. In addition, the test for equality of means requires the assumption of homogeneity ...
Online process monitoring using a multivariate CUSUM approach with winsorization
(Instituto Tecnológico y de Estudios Superiores de Monterrey, 2020-06-12)
With the development of Industry 4.0 (I4.0), companies are transforming the way products are designed, manufactured and distributed. The application of new technologies in production and data acquisition exacerbates the ...
Sistemas microemulsionados aplicados à remoção da cor de efluente têxtil
(Universidade Federal do Rio Grande do NorteBRUFRNPrograma de Pós-Graduação em Engenharia QuímicaPesquisa e Desenvolvimento de Tecnologias Regionais, 2006-10-21)
Effluent color resulting from textile dyeing processes has been one of the biggest environmental problems faced by the textile industry. In particular, reactive dyes are highly resistant to conventional wastewater treatment ...
The blue land planarian Caenoplana coerulea, an invader in Argentina
(Universidad Nacional Autónoma de México. Instituto de Biología, 2011-03)
The blue land planarian Caenoplana coerulea is reported from Argentina (Buenos Aires province). We found C. coerulea in the east central region of Argentina in anthropic environments. The specimens that we found have the ...