Alejandro Yáñez

Oct 8, 2024 | eleconomista.com.mx | Alejandro Yáñez

Oct 7, 2024 | eleconomista.com.mx | Alejandro Yáñez

Sep 28, 2024 | elsiglodetorreon.com.mx | Alejandro Yáñez

Hace 178 años, en un emblemático texto, se señalaba: "Las ideas de la clase dominante son las ideas dominantes en cada época, o, dicho en otros términos, la clase que ejerce el poder material dominante en la sociedad es, al mismo tiempo, su poder espiritual dominante". Esto lo escribían K. Marx y F. Engels, a mediados del siglo XIX. Pinta canas, pero sigue vigente la afirmación. Tracemos algunas ideas para atender su vigencia y confrontarla posteriormente con una situación del ahora.

Aug 27, 2024 | metso.com | Alejandro Yáñez |Antti Rinne |Guillermo Bermúdez

This article was originally published in Global Mining Review in 2024. Optimal flotation performance occurs within specific size ranges, typically between 25 and 150µm depending on the application. Particles smaller than 25µm are considered to be fine or ultra-fine particles. These particles have distinct characteristics that require specific flotation conditions for effective recovery.

Jun 8, 2024 | mdpi.com | Alejandro Yáñez |Claudia Barrientos |Marcelo Aguilar |Adolfo Isla

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