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Mostrando ítems 81-90 de 506
Dynamic ‘back‐off’ analysis: use of piecewise linear approximations
(John Wiley & Sons Ltd, 2003-04-10)
The operating point of a process is usually computed by optimizing an objective function, e.g. the profit, subject to some plant characteristics. Typically, the resulting point lies on the boundary of the operating region. ...
Coal as an energy source and its impacts on human health
(Elsevier B.V. on behalf of KeAi Communications Co. LtdChina, 2022)
Burnout synergic or inhibiting effects in combustion of coal-sawdust blendsINGENIERIA E INVESTIGACIONIng. Invest.
(UNIV NAC COLOMBIA, FAC INGENIERIA, 2017)
In vitro genotoxic effect of secondary minerals crystallized in rocks from coal mine drainage
(Journal Of Hazardous Materials, 2018)
A Predictive Model for the Anisotropy Index of Semi-Coke Derived from the Properties of Colombia's Eastern Cordillera CoalsModelo predictivo del índice de anisotropía delsemicoque a partir de las propiedades de loscarbones de la Cordillera Oriental de Colombia
(Universidad EAFIT, 2020-11-11)
This study developed a theoretical model for the determination of the Coke Anisotropy Quotient (CAQ) of semi-coke from the properties of its precursor coal. This is an useful parameter to define the resistance and reactivity ...
Labour in the collieries: the role of overseers in the collieries of the arauco gulf in southern chile (1920-1940)Trabajo minero: el rol de los mayordomos en los distritos carboníferos del Golfo de Arauco en Chile (1920-1940)
(Facultad de Filosofía y Humanidades, Universidad Austral de Chile, 2017)