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

Now showing items 8-15 of 15

    • Mendeleev: más allá de la tabla periódica 

      Rabinovich, Daniel (Pontificia Universidad Católica del PerúPE, 2019-11-27)
      The stamps issued in the world that celebrate 150 years of the periodic table of the elements and pay tribute to the Russian chemist Mendeleev

    • El molibdeno, un elemento tan versátil como vital 

      Gutiérrez-Zorrilla, Juan M. (Pontificia Universidad Católica del PerúPE, 2019-11-25)
      Molybdenum, produced in Peru as a byproduct of the copper mining industry, was discovered in the XVIIIth century. It is usually added to steel alloys, is amply used in different pigments and its presence in enzymes makes ...

    • La OPQ celebra los 150 años de la Tabla Periódica en París y Oporto 

      Salas, Paloma; Coello, Yves; Chong, Miguel (Pontificia Universidad Católica del PerúPE, 2019-11-27)
      In 2019, the sesquicentennial of the publication of the periodic table proposed by Dmitri Mendeleev is commemorated. As part of this celebration, the students selected by the 2018 Peruvian Chemistry Olympiad (OPQ) participated ...

    • El oro: una materia prima esencial para el mundo 

      Marchese Morales, Adollfo (Pontificia Universidad Católica del PerúPE, 2019-11-26)
      Gold is an inert metal of symbol Au and atomic number 79. Peru is the world's sixth-largest gold producer, and La Libertad is its first producer department of this metal. It is of great importance for jewelers, physicians, ...

    • El telurio en la era tecnológica actual 

      Avila, Edward E. (Pontificia Universidad Católica del PerúPE, 2019-11-26)
      Tellurium, Te, is a chemical element of low abundance on Earth. Its importance in the current technological era has given it preponderance for its non-linear optics properties in the development of devices with applications ...

    • Tesis de licenciatura y maestría Sección Química de la PUCP, 2019 

      autores, varios (Pontificia Universidad Católica del PerúPE, 2019-11-28)
      Summary of the bachelor and master thesis defended (until October 2019) in the Chemical Section (PUCP)

    • 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, ...