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QUIMILUMINESCENCIA: ASPECTOS QUIMICOS E FISICOS
(1995-01-01)
The history, the chemistry and the physic aspects of luminescence phenomenon are approached, essentially in relation to chemiluminescence, chemical reactions which emit light, discussing about its importance, definition, ...
A química do perfume: uma proposta CTS para o ensino de química
(Universidade Federal de São CarlosUFSCarCâmpus ArarasQuímica - QL-Ar, 2021-01-12)
It is not new that perfumes are objects of desire for many people, and it is also no accident that the culture of perfumes is very old and still generates many profits. They arose with the main intention of pleasing the ...
Eje Cafetero minero-energético
(Museo Interactivo Samoga, 2019-11-24)
Para elevar el PIB del sector primario en el Eje Cafetero, transformando en commodities estratégicos algunos minerales de conformidad con los proyectos minero-energéticos contemplados en el Plan Minero-Industrial de Caldas ...
Overview of Al-Si alloys for additive manufacturing and prospects
(Universidade Federal de São CarlosUFSCarCâmpus São CarlosEngenharia de Materiais - EMa, 2021-11-18)
Additive manufacturing (AM) has emerged in recent years for enabling the generation of parts with highly complex geometries. Due to the nature of the AM process, which causes alloys to experience a complex thermal history ...
SnO2, ZnO and related polycrystalline compound semiconductors: An overview and review on the voltage-dependent resistance (non-ohmic) feature
(2008-01-01)
The present review describes mainly the history of SnO2-based voltage-dependent resistors, discusses the main characteristics of these polycrystalline semiconductor systems and includes a direct comparison with traditional ...
Los primeros directores de la Estación Experimental Agronómica de Santiago de las Vegas
(Instituto de Geografia Tropical (IGT), 2004)
En la historia de la Estación Central Agronómica de Santiago de las Vegas, primera institución de su tipo en Cuba e Hispanoamérica, existen tres hombres estrechamente ligados a ella, cuyas vidas resultan muy poco conocidas, ...
Modelación hidrológica e hidráulica para un distrito de riego a pequeña escala con tres tecnologías en la zona agrícola del municipio de Santa María-Huila
(Manizales - Ingeniería y Arquitectura - Maestría en Ingeniería - Recursos HidráulicosDepartamento de Ingeniería CivilUniversidad Nacional de Colombia - Sede Manizales, 2020)
This document presents the problem of water supply to maintain crops in the upper area of the municipality of Santa María (Huila). The main objective of this work is to carry out hydrological and hydraulic modeling for an ...