Results 61 to 70 of about 1,908,438 (307)
Advanced Engineering Materials, EarlyView.This article demonstrates the successful qualification of a copper–tungsten composite for laser powder bed fusion. The resulting components exhibited high density, high thermal conductivity, and reduced thermal expansion. Heat sinks with complex geometries were successfully manufactured, clearly showcasing the material's potential for additive ...
Simon Rauh +6 more
wiley +1 more source
Revista Finanzas y Política Económica, 2009 Se plantea que desde el último cuarto del siglo pasado la transicióndemográfica creó condiciones para el aumento del ingreso per cápita, perono hubo reducción de la pobreza, porque para una disminución significativade ésta es preciso actuar sobre las ...
Alcides Gómez Jiménez
doaj
Revista Finanzas y Política Económica, 2015 This article investigates the relationship between ex-post Equity Risk Premium (ERP) on the Colombian stock market and the economic cycles observed in the country using methodologies based on the Hodrick-Prescott and Kalman filters.
Andrés Mauricio Gómez Sánchez +1 more
doaj +1 more source
The economics of seasonal cycles [PDF]
, 2008 Since macroeconomists first began the systematic study of aggregate data, they have grappled with the fact that most economic time series exhibit substantial seasonal variation. In general, macroeconomists abstract from this seasonal variation, both in their models of cyclical behavior and in their empirical testing of these models.
openaire +1 more source
Patterns and determinants of business cycle synchronization in the enlarged European Economic and Monetary Union [PDF]
This paper provides empirical evidence about the degree of business cycle synchronization between the euro area countries and eight new European Union member states.
Iulia SIEDSCHLAG
core
Advanced Engineering Materials, EarlyView.This study investigates laser metal deposition of aluminum alloys EN AW‐7075 and EN AW‐5083, using powder blending to compensate zinc and magnesium evaporation. In situ alloying and ex situ alloying with ZnAl12 and AZ91 preserve near‐standard compositions and improve mechanical properties.
Finn Bendixen +3 more
wiley +1 more source
Advanced Engineering Materials, EarlyView.A novel, temperature‐controlled post‐consolidation unit is developed to test its potential to improve the melt impregnation process used to manufacture continuous fiber‐reinforced filaments for additive manufacturing of high‐performance thermoplastics.
Daniel Beermann +2 more
wiley +1 more source
Poverty, inequality and macroeconomic instability
Economia Aplicada, 2000 Over the past seventeen years the Brazilian macroeconomic performance has been considerably weaker than in previous decades. Inflation reached unprecedented levels and economic growth declined considerably.
Ricardo Paes de Barros +3 more
doaj
Advanced Engineering Materials, EarlyView.This study proposes a new methodology for producing metal matrix nanocomposites in the solid state. The process involves the plasma‐assisted thermochemical treatment of metallic alloy powders. As a proof‐of‐concept, TiN nanoparticles are synthesized directly on the surface of FeTi intermetallic powder particles, enabling the development of the ...
Deivison Daros Paim +4 more
wiley +1 more source
An Empirical Study of Economic Cycle, Air Quality, and National Health Since Reform and Opening Up. [PDF]
Front Public Health, 2021 Chai KC, Li Q, Bao XL, Zhu J, He XX.
europepmc +1 more source