Zobrazeno 1 - 4
of 4
pro vyhledávání: '"JULIO CÉSAR LÓPEZ AYALA"'
Autor:
JULIO CÉSAR LÓPEZ AYALA, DIEGO RAMIRO ÑACATO ESTRELLA, EDISON MARCELO MELENDRES MEDINA, MÓNICA ISABEL IZURIETA CASTELO, ESTEFANIA FREYTEZ BOGGIO
In Ecuador, artisanal alluvial gold mining is generally carried out on the banks of rivers, which brings with it a number of impacts on the environment that can be classified as negative, and among which is included the generation of effluents, the d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::74769627e9e46045fa0acd6e7cb2a23b
Autor:
JULIO CÉSAR LÓPEZ AYALA, DIEGO RAMIRO ÑACATO ESTRELLA, EDISON MARCELO MELENDRES MEDINA, MÓNICA ISABEL IZURIETA CASTELO
The design and prototype of a low-cost portable positive pressure mechanical ventilator for use in cases of mass disasters and resource-limited environments are described. The ventilator provides breaths by compressing a conventional valve bag mask (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b2b60cb1bda1f208b3ec7c0092b84351
Autor:
CARLOS ROBERTO LÓPEZ PAREDES, JULIO CÉSAR LÓPEZ AYALA, EDISON MARCELO MELENDRES MEDINA, ANGELITA GENOVEVA TAPIA BONIFAZ
This paper developeda documentary review of the elaboration and production of research works related to the study of the Integrated System of Financial Administration and Public Managementin Latin America and was carried out to applya bibliometric st
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::833fbe9282f0fa48e7532023b805fd4a
Autor:
Jaime Rodrigo Guilcapi Mosquera, Julio César López Ayala, Rafael Santiago Albuja Echeverría, Carlos Horacio Guamán Reinoso
Publikováno v:
Ciencia Digital. 3:100-115
Se estima que en Ecuador ingresan alrededor de 63 – 64 t /año de bases aceitosas utilizados en diversos sectores de la economía nacional, obteniéndose una recolección de aceite lubricante usado de 61 736 kg/ año, donde el 16% son tratados por
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f5edbb280fecbb3143e37efc00abeff
https://doi.org/10.33262/cienciadigital.v3i4.2.1012
https://doi.org/10.33262/cienciadigital.v3i4.2.1012
