Results 131 to 140 of about 405,952 (306)

Influence of Geometric Design on Mechanical Performance of Auxetic Metastructure

open access: yesAdvanced Engineering Materials, EarlyView.
Strategic geometric reinforcement transforms auxetic performance. This study evaluates 3D‐printed arrowhead metastructures, revealing that a modified design with local ring reinforcement suppresses premature failure to achieve superior energy absorption and structural efficiency.
Muhammad Gulzari   +3 more
wiley   +1 more source

The Composition of Government Spending and the Real Exchange Rate [PDF]

open access: yes
We show that the composition of government spending influences the long-run behaviour of the real exchange rate. We develop a two-sector small open economy model in which an increase in government consumption is associated with real appreciation, while ...
Vahagn Galstyan and Philip R. Lane
core  

Comparison of Triply Periodic Minimal Surface Energy Absorbers Under Uniaxial Compressive Loading

open access: yesAdvanced Engineering Materials, EarlyView.
This study investigates LCD 3D printed Triply Periodic Minimal Surface (TPMS) structures as mechanical energy absorbers. By comparing various base designs and layered combinations under uniaxial compression, it identifies that a Diamond‐Gyroid sandwich structure offers superior performance.
Sergej Grednev   +2 more
wiley   +1 more source

The real exchange rate of an oil exporting economy: Empirical evidence from Nigeria [PDF]

open access: yes
In this study the long-run relationship between real oil price, real effective exchange rate and productivity differentials is examined using annual data for Nigeria over the period 1980 to 2010.
Zahid Muhammad, Hassan Suleiman
core  

Role of Intrinsic Electron Trapping in Negative Charging of Amorphous Alumina

open access: yesAdvanced Functional Materials, EarlyView.
Intrinsic electron trapping in amorphous Al2O3 is examined using hybrid‐DFT models spanning a wide density range. Both spontaneous and thermally activated trapping are identified, with pronounced spontaneous localization in dense, partly crystallized structures.
Jack W. Strand   +5 more
wiley   +1 more source

Liquid Phase Transmission Electron Microscopy: A Window into the Early Stages of Complex Material Formation

open access: yesAdvanced Functional Materials, EarlyView.
Liquid‐phase transmission electron microscopy enables direct observation of nucleation and growth processes in solution. This review is dedicated to the remembrance of Helmut Cölfen and highlights recent studies on complex materials—oxides, biominerals, organic–inorganic crystals—which were central to his research activity. It summarizes key milestones,
Charles Sidhoum   +5 more
wiley   +1 more source

BIST, FOREIGN CAPITAL AND EXCHANGE RATE RELATIONS: 1988-2015

open access: yesCumhuriyet Üniversitesi İktisadi ve İdari Bilimler Dergisi, 2018
In this study, the Borsa Istanbul index, which reflects its reaction to short-term changes in the economy, has been transformed into real (RBIST) with the US dollar.
Ömer Selçuk Emsen, Ensar Ağırman
doaj  

Receptor‐Free Identification of Toxic Gases Enabled by Hygroscopic Aqueous Salt Films

open access: yesAdvanced Functional Materials, EarlyView.
Water as a gas sensor coating sounds impossible—until it stops evaporating. Here, hygroscopic salt solutions (LiCl, LiBr, H3PO4) form non‐drying aqueous films on CNT chemiresistors under ambient air. Gases partition into these liquid layers, sometimes transforming into water, and generate salt‐specific resistance fingerprints across a four‐channel ...
Seongwoo Lee   +5 more
wiley   +1 more source

Real exchange rate in Ecuador: Decomposition and misalignment with the real equilibrium exchange rate

open access: yesCuestiones Económicas, 2021
The objective of this research is the analysis of the Ecuadorian Real Exchange Rate Index (ITCR) considering two angles. The first, to investigate the evolution of the variable through the factors that intervene in its calculation: the nominal exchange rate and relative prices.
openaire   +1 more source

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