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Mostrando ítems 21-30 de 218
Redução de sucata em empresa fornecedora de autopeças utilizando a metodologia seis sigma
(Universidade Tecnológica Federal do ParanáPato BrancoBrasilDepartamento Acadêmico de MecânicaEngenharia MecânicaUTFPR, 2020-11-17)
The following study aims to apply the Six Sigma methodology to reduce scrap from the Eccentric Seat defect in the V-5991 valve, focusing on a cost reduction. To remain competitive in the market is necessary that production ...
Further analyses of the unburied Goiania Accident packages
(Waste Management Symposia, 2020)
Synthesis of high-surface-area gamma-Al2O3 from aluminum scrap and its use for the adsorption of metals: Pb(II), Cd(II) and Zn(II)
(ELSEVIER SCIENCE BVAMSTERDAM, 2012)
Several types of alumina were synthesized from sodium aluminate (NaAlO2) by precipitation with sulfuric acid (H2SO4) and subsequently calcination at 500 degrees C to obtain gamma-Al2O3. The precursor aluminate was derived ...
Making iron aluminides out of scrap
(São Paulo, 2014)
The abundance of iron and aluminum raw materials is often quoted as a strategic advantage of iron aluminides against other competing materials (not only stainless steels, but also nickel and titanium aluminides). These raw ...
Caracterização e valorização de placas de circuito impresso de aparelhos smartphones
(Universidade do Vale do Rio dos Sinos, 2019-02-27)
The cell phones are the electronics that have become the most frequent in Brazilian homes in recent years, especially smartphones, offering several benefits to users in the field of telecommunications. As a consequence ...
Caracterização e valorização de placas de circuito impresso de aparelhos smartphones
(Universidade do Vale do Rio dos Sinos, 2019-02-27)
The cell phones are the electronics that have become the most frequent in Brazilian homes in recent years, especially smartphones, offering several benefits to users in the field of telecommunications. As a consequence ...
Comportamiento de las exportaciones de materiales no ferrosos (chatarra) en Cartagena en el periodo 2012-2019
(Ciencias Administrativas, Económicas y ContablesAdministración del Comercio InternacionalCartagena, 2020-03-04)
In Colombia, scrap metal is a well-paid and growing business but is still unknown among different sectors. Scrap is recognized as a scarce and strategic raw material, with the capacity to be recycled an infinite number of ...
Comportamiento de las exportaciones de materiales no ferrosos (chatarra) en Cartagena en el periodo 2012-2019
(Ciencias Administrativas, Económicas y ContablesAdministración del Comercio InternacionalCartagena, 2021)
Determination of toxic elements in plastics from waste electrical and electronic equipment by slurry sampling electrothermal atomic absorption spectrometry
(Elsevier Science BvAmsterdamHolanda, 2010)