Browsing Vol. 33 Núm. 1-2 (2019) by Title

Now showing items 14-15 of 15

    • El wolframio: elemento imprescindible en nuestra vida diaria 

      Sánchez-Benítez, Javier (Pontificia Universidad Católica del PerúPE, 2019-11-26)
      Tungsten has become an indispensable element for our daily life. Due to its physical and chemical properties, this metal, as well as its alloys, is considered nowadays as a strategic and necessary element, with which we ...

    • Zinc, un elemento químico muy versátil 

      Piedra Marín, Gilberto (Pontificia Universidad Católica del PerúPE, 2019-11-25)
      Zinc is a shiny metal whose surface quickly darkens upon contact with air. The main industrial application of this metal is the galvanization of iron and steel parts. Peru is the second largest producer of zinc worldwide, ...